id	sid	tid	token	lemma	pos
12787	1	1	Transcriber	Transcriber	NNP
12787	1	2	's	's	POS
12787	1	3	notes	note	NNS
12787	1	4	:	:	:
12787	1	5	In	in	IN
12787	1	6	the	the	DT
12787	1	7	chemical	chemical	JJ
12787	1	8	equations	equation	NNS
12787	1	9	,	,	,
12787	1	10	superscripts	superscript	NNS
12787	1	11	are	be	VBP
12787	1	12	indicated	indicate	VBN
12787	1	13	with	with	IN
12787	1	14	a	a	DT
12787	1	15	^	^	NN
12787	1	16	and	and	CC
12787	1	17	subscripts	subscript	NNS
12787	1	18	are	be	VBP
12787	1	19	indicated	indicate	VBN
12787	1	20	with	with	IN
12787	1	21	a	a	DT
12787	1	22	_	_	NNP
12787	1	23	.	.	.
12787	2	1	The	the	DT
12787	2	2	affected	affected	JJ
12787	2	3	item	item	NN
12787	2	4	is	be	VBZ
12787	2	5	enclosed	enclose	VBN
12787	2	6	in	in	IN
12787	2	7	curly	curly	RB
12787	2	8	brackets	bracket	NNS
12787	2	9	{	{	-LRB-
12787	2	10	}	}	-RRB-
12787	2	11	.	.	.
12787	3	1	Examples	example	NNS
12787	3	2	are	be	VBP
12787	3	3	H^{+	H^{+	NNP
12787	3	4	}	}	-RRB-
12787	3	5	for	for	IN
12787	3	6	hydrogen	hydrogen	NN
12787	3	7	ion	ion	NN
12787	3	8	and	and	CC
12787	3	9	H_{2}O	h_{2}o	NN
12787	3	10	for	for	IN
12787	3	11	water	water	NN
12787	3	12	.	.	.
12787	4	1	Since	since	IN
12787	4	2	the	the	DT
12787	4	3	underscore	underscore	NN
12787	4	4	is	be	VBZ
12787	4	5	already	already	RB
12787	4	6	being	be	VBG
12787	4	7	used	use	VBN
12787	4	8	in	in	IN
12787	4	9	this	this	DT
12787	4	10	project	project	NN
12787	4	11	,	,	,
12787	4	12	italics	italic	NNS
12787	4	13	are	be	VBP
12787	4	14	designated	designate	VBN
12787	4	15	by	by	IN
12787	4	16	an	an	DT
12787	4	17	exclamation	exclamation	NN
12787	4	18	point	point	NN
12787	4	19	before	before	IN
12787	4	20	and	and	CC
12787	4	21	after	after	IN
12787	4	22	the	the	DT
12787	4	23	italicized	italicized	JJ
12787	4	24	word	word	NN
12787	4	25	or	or	CC
12787	4	26	phrase	phrase	NN
12787	4	27	.	.	.
12787	4	28	]	]	-RRB-
12787	5	1	AN	an	DT
12787	5	2	INTRODUCTORY	INTRODUCTORY	NNP
12787	5	3	COURSE	course	NN
12787	5	4	OF	of	IN
12787	5	5	QUANTITATIVE	QUANTITATIVE	JJR
12787	5	6	CHEMICAL	chemical	NN
12787	5	7	ANALYSIS	analysi	NNS
12787	5	8	WITH	with	IN
12787	5	9	EXPLANATORY	EXPLANATORY	NNP
12787	5	10	NOTES	note	NNS
12787	5	11	BY	by	IN
12787	5	12	HENRY	henry	NN
12787	5	13	P.	p.	NN
12787	5	14	TALBOT	TALBOT	NNP
12787	5	15	PROFESSOR	PROFESSOR	NNS
12787	5	16	OF	of	IN
12787	5	17	INORGANIC	INORGANIC	NNP
12787	5	18	CHEMISTRY	CHEMISTRY	NNP
12787	5	19	AT	AT	NNP
12787	5	20	THE	the	DT
12787	5	21	MASSACHUSETTS	MASSACHUSETTS	NNP
12787	5	22	INSTITUTE	INSTITUTE	NNP
12787	5	23	OF	of	IN
12787	5	24	TECHNOLOGY	TECHNOLOGY	NNP
12787	5	25	SIXTH	SIXTH	NNP
12787	5	26	EDITION	EDITION	NNP
12787	5	27	,	,	,
12787	5	28	COMPLETELY	COMPLETELY	NNP
12787	5	29	REWRITTEN	REWRITTEN	NNP
12787	5	30	PREFACE	preface	VB
12787	5	31	This	this	DT
12787	5	32	Introductory	introductory	JJ
12787	5	33	Course	course	NN
12787	5	34	of	of	IN
12787	5	35	Quantitative	Quantitative	NNP
12787	5	36	Analysis	Analysis	NNP
12787	5	37	has	have	VBZ
12787	5	38	been	be	VBN
12787	5	39	prepared	prepare	VBN
12787	5	40	to	to	TO
12787	5	41	meet	meet	VB
12787	5	42	the	the	DT
12787	5	43	needs	need	NNS
12787	5	44	of	of	IN
12787	5	45	students	student	NNS
12787	5	46	who	who	WP
12787	5	47	are	be	VBP
12787	5	48	just	just	RB
12787	5	49	entering	enter	VBG
12787	5	50	upon	upon	IN
12787	5	51	the	the	DT
12787	5	52	subject	subject	NN
12787	5	53	,	,	,
12787	5	54	after	after	IN
12787	5	55	a	a	DT
12787	5	56	course	course	NN
12787	5	57	of	of	IN
12787	5	58	qualitative	qualitative	JJ
12787	5	59	analysis	analysis	NN
12787	5	60	.	.	.
12787	6	1	It	-PRON-	PRP
12787	6	2	is	be	VBZ
12787	6	3	primarily	primarily	RB
12787	6	4	intended	intend	VBN
12787	6	5	to	to	TO
12787	6	6	enable	enable	VB
12787	6	7	the	the	DT
12787	6	8	student	student	NN
12787	6	9	to	to	TO
12787	6	10	work	work	VB
12787	6	11	successfully	successfully	RB
12787	6	12	and	and	CC
12787	6	13	intelligently	intelligently	RB
12787	6	14	without	without	IN
12787	6	15	the	the	DT
12787	6	16	necessity	necessity	NN
12787	6	17	for	for	IN
12787	6	18	a	a	DT
12787	6	19	larger	large	JJR
12787	6	20	measure	measure	NN
12787	6	21	of	of	IN
12787	6	22	personal	personal	JJ
12787	6	23	assistance	assistance	NN
12787	6	24	and	and	CC
12787	6	25	supervision	supervision	NN
12787	6	26	than	than	IN
12787	6	27	can	can	MD
12787	6	28	reasonably	reasonably	RB
12787	6	29	be	be	VB
12787	6	30	given	give	VBN
12787	6	31	to	to	IN
12787	6	32	each	each	DT
12787	6	33	member	member	NN
12787	6	34	of	of	IN
12787	6	35	a	a	DT
12787	6	36	large	large	JJ
12787	6	37	class	class	NN
12787	6	38	.	.	.
12787	7	1	To	to	IN
12787	7	2	this	this	DT
12787	7	3	end	end	NN
12787	7	4	the	the	DT
12787	7	5	directions	direction	NNS
12787	7	6	are	be	VBP
12787	7	7	given	give	VBN
12787	7	8	in	in	IN
12787	7	9	such	such	JJ
12787	7	10	detail	detail	NN
12787	7	11	that	that	IN
12787	7	12	there	there	EX
12787	7	13	is	be	VBZ
12787	7	14	very	very	RB
12787	7	15	little	little	JJ
12787	7	16	opportunity	opportunity	NN
12787	7	17	for	for	IN
12787	7	18	the	the	DT
12787	7	19	student	student	NN
12787	7	20	to	to	TO
12787	7	21	go	go	VB
12787	7	22	astray	astray	VB
12787	7	23	;	;	:
12787	7	24	but	but	CC
12787	7	25	the	the	DT
12787	7	26	manual	manual	NN
12787	7	27	is	be	VBZ
12787	7	28	not	not	RB
12787	7	29	,	,	,
12787	7	30	the	the	DT
12787	7	31	author	author	NN
12787	7	32	believes	believe	VBZ
12787	7	33	,	,	,
12787	7	34	on	on	IN
12787	7	35	this	this	DT
12787	7	36	account	account	NN
12787	7	37	less	less	RBR
12787	7	38	adapted	adapt	VBN
12787	7	39	for	for	IN
12787	7	40	use	use	NN
12787	7	41	with	with	IN
12787	7	42	small	small	JJ
12787	7	43	classes	class	NNS
12787	7	44	,	,	,
12787	7	45	where	where	WRB
12787	7	46	the	the	DT
12787	7	47	instructor	instructor	NN
12787	7	48	,	,	,
12787	7	49	by	by	IN
12787	7	50	greater	great	JJR
12787	7	51	personal	personal	JJ
12787	7	52	influence	influence	NN
12787	7	53	,	,	,
12787	7	54	can	can	MD
12787	7	55	stimulate	stimulate	VB
12787	7	56	independent	independent	JJ
12787	7	57	thought	thought	NN
12787	7	58	on	on	IN
12787	7	59	the	the	DT
12787	7	60	part	part	NN
12787	7	61	of	of	IN
12787	7	62	the	the	DT
12787	7	63	pupil	pupil	NN
12787	7	64	.	.	.
12787	8	1	The	the	DT
12787	8	2	method	method	NN
12787	8	3	of	of	IN
12787	8	4	presentation	presentation	NN
12787	8	5	of	of	IN
12787	8	6	the	the	DT
12787	8	7	subject	subject	NN
12787	8	8	is	be	VBZ
12787	8	9	that	that	IN
12787	8	10	suggested	suggest	VBN
12787	8	11	by	by	IN
12787	8	12	Professor	Professor	NNP
12787	8	13	A.A.	A.A.	NNP
12787	8	14	Noyes	Noyes	NNP
12787	8	15	'	'	POS
12787	8	16	excellent	excellent	JJ
12787	8	17	manual	manual	NN
12787	8	18	of	of	IN
12787	8	19	Qualitative	Qualitative	NNP
12787	8	20	Analysis	Analysis	NNP
12787	8	21	.	.	.
12787	9	1	For	for	IN
12787	9	2	each	each	DT
12787	9	3	analysis	analysis	NN
12787	9	4	the	the	DT
12787	9	5	procedure	procedure	NN
12787	9	6	is	be	VBZ
12787	9	7	given	give	VBN
12787	9	8	in	in	IN
12787	9	9	considerable	considerable	JJ
12787	9	10	detail	detail	NN
12787	9	11	,	,	,
12787	9	12	and	and	CC
12787	9	13	this	this	DT
12787	9	14	is	be	VBZ
12787	9	15	accompanied	accompany	VBN
12787	9	16	by	by	IN
12787	9	17	explanatory	explanatory	JJ
12787	9	18	notes	note	NNS
12787	9	19	,	,	,
12787	9	20	which	which	WDT
12787	9	21	are	be	VBP
12787	9	22	believed	believe	VBN
12787	9	23	to	to	TO
12787	9	24	be	be	VB
12787	9	25	sufficiently	sufficiently	RB
12787	9	26	expanded	expand	VBN
12787	9	27	to	to	TO
12787	9	28	enable	enable	VB
12787	9	29	the	the	DT
12787	9	30	student	student	NN
12787	9	31	to	to	TO
12787	9	32	understand	understand	VB
12787	9	33	fully	fully	RB
12787	9	34	the	the	DT
12787	9	35	underlying	underlying	JJ
12787	9	36	reason	reason	NN
12787	9	37	for	for	IN
12787	9	38	each	each	DT
12787	9	39	step	step	NN
12787	9	40	prescribed	prescribe	VBN
12787	9	41	.	.	.
12787	10	1	The	the	DT
12787	10	2	use	use	NN
12787	10	3	of	of	IN
12787	10	4	the	the	DT
12787	10	5	book	book	NN
12787	10	6	should	should	MD
12787	10	7	,	,	,
12787	10	8	nevertheless	nevertheless	RB
12787	10	9	,	,	,
12787	10	10	be	be	VB
12787	10	11	supplemented	supplement	VBN
12787	10	12	by	by	IN
12787	10	13	classroom	classroom	NN
12787	10	14	instruction	instruction	NN
12787	10	15	,	,	,
12787	10	16	mainly	mainly	RB
12787	10	17	of	of	IN
12787	10	18	the	the	DT
12787	10	19	character	character	NN
12787	10	20	of	of	IN
12787	10	21	recitations	recitation	NNS
12787	10	22	,	,	,
12787	10	23	and	and	CC
12787	10	24	the	the	DT
12787	10	25	student	student	NN
12787	10	26	should	should	MD
12787	10	27	be	be	VB
12787	10	28	taught	teach	VBN
12787	10	29	to	to	TO
12787	10	30	consult	consult	VB
12787	10	31	larger	large	JJR
12787	10	32	works	work	NNS
12787	10	33	.	.	.
12787	11	1	The	the	DT
12787	11	2	general	general	JJ
12787	11	3	directions	direction	NNS
12787	11	4	are	be	VBP
12787	11	5	intended	intend	VBN
12787	11	6	to	to	TO
12787	11	7	emphasize	emphasize	VB
12787	11	8	those	those	DT
12787	11	9	matters	matter	NNS
12787	11	10	upon	upon	IN
12787	11	11	which	which	WDT
12787	11	12	the	the	DT
12787	11	13	beginner	beginner	NN
12787	11	14	in	in	IN
12787	11	15	quantitative	quantitative	JJ
12787	11	16	analysis	analysis	NN
12787	11	17	must	must	MD
12787	11	18	bestow	bestow	VB
12787	11	19	special	special	JJ
12787	11	20	care	care	NN
12787	11	21	,	,	,
12787	11	22	and	and	CC
12787	11	23	to	to	TO
12787	11	24	offer	offer	VB
12787	11	25	helpful	helpful	JJ
12787	11	26	suggestions	suggestion	NNS
12787	11	27	.	.	.
12787	12	1	The	the	DT
12787	12	2	student	student	NN
12787	12	3	can	can	MD
12787	12	4	hardly	hardly	RB
12787	12	5	be	be	VB
12787	12	6	expected	expect	VBN
12787	12	7	to	to	TO
12787	12	8	appreciate	appreciate	VB
12787	12	9	the	the	DT
12787	12	10	force	force	NN
12787	12	11	of	of	IN
12787	12	12	all	all	PDT
12787	12	13	the	the	DT
12787	12	14	statements	statement	NNS
12787	12	15	contained	contain	VBN
12787	12	16	in	in	IN
12787	12	17	these	these	DT
12787	12	18	directions	direction	NNS
12787	12	19	,	,	,
12787	12	20	or	or	CC
12787	12	21	,	,	,
12787	12	22	indeed	indeed	RB
12787	12	23	,	,	,
12787	12	24	to	to	TO
12787	12	25	retain	retain	VB
12787	12	26	them	-PRON-	PRP
12787	12	27	all	all	DT
12787	12	28	in	in	IN
12787	12	29	the	the	DT
12787	12	30	memory	memory	NN
12787	12	31	after	after	IN
12787	12	32	a	a	DT
12787	12	33	single	single	JJ
12787	12	34	reading	reading	NN
12787	12	35	;	;	:
12787	12	36	but	but	CC
12787	12	37	the	the	DT
12787	12	38	instructor	instructor	NN
12787	12	39	,	,	,
12787	12	40	by	by	IN
12787	12	41	frequent	frequent	JJ
12787	12	42	reference	reference	NN
12787	12	43	to	to	IN
12787	12	44	special	special	JJ
12787	12	45	paragraphs	paragraph	NNS
12787	12	46	,	,	,
12787	12	47	as	as	IN
12787	12	48	suitable	suitable	JJ
12787	12	49	occasion	occasion	NN
12787	12	50	presents	present	VBZ
12787	12	51	itself	-PRON-	PRP
12787	12	52	,	,	,
12787	12	53	can	can	MD
12787	12	54	soon	soon	RB
12787	12	55	render	render	VB
12787	12	56	them	-PRON-	PRP
12787	12	57	familiar	familiar	JJ
12787	12	58	to	to	IN
12787	12	59	the	the	DT
12787	12	60	student	student	NN
12787	12	61	.	.	.
12787	13	1	The	the	DT
12787	13	2	analyses	analysis	NNS
12787	13	3	selected	select	VBN
12787	13	4	for	for	IN
12787	13	5	practice	practice	NN
12787	13	6	are	be	VBP
12787	13	7	those	those	DT
12787	13	8	comprised	comprise	VBN
12787	13	9	in	in	IN
12787	13	10	the	the	DT
12787	13	11	first	first	JJ
12787	13	12	course	course	NN
12787	13	13	of	of	IN
12787	13	14	quantitative	quantitative	JJ
12787	13	15	analysis	analysis	NN
12787	13	16	at	at	IN
12787	13	17	the	the	DT
12787	13	18	Massachusetts	Massachusetts	NNP
12787	13	19	Institute	Institute	NNP
12787	13	20	of	of	IN
12787	13	21	Technology	Technology	NNP
12787	13	22	,	,	,
12787	13	23	and	and	CC
12787	13	24	have	have	VBP
12787	13	25	been	be	VBN
12787	13	26	chosen	choose	VBN
12787	13	27	,	,	,
12787	13	28	after	after	IN
12787	13	29	an	an	DT
12787	13	30	experience	experience	NN
12787	13	31	of	of	IN
12787	13	32	years	year	NNS
12787	13	33	,	,	,
12787	13	34	as	as	IN
12787	13	35	affording	afford	VBG
12787	13	36	the	the	DT
12787	13	37	best	good	JJS
12787	13	38	preparation	preparation	NN
12787	13	39	for	for	IN
12787	13	40	more	more	RBR
12787	13	41	advanced	advanced	JJ
12787	13	42	work	work	NN
12787	13	43	,	,	,
12787	13	44	and	and	CC
12787	13	45	as	as	IN
12787	13	46	satisfactory	satisfactory	JJ
12787	13	47	types	type	NNS
12787	13	48	of	of	IN
12787	13	49	gravimetric	gravimetric	NN
12787	13	50	and	and	CC
12787	13	51	volumetric	volumetric	NN
12787	13	52	methods	method	NNS
12787	13	53	.	.	.
12787	14	1	From	from	IN
12787	14	2	the	the	DT
12787	14	3	latter	latter	JJ
12787	14	4	point	point	NN
12787	14	5	of	of	IN
12787	14	6	view	view	NN
12787	14	7	,	,	,
12787	14	8	they	-PRON-	PRP
12787	14	9	also	also	RB
12787	14	10	seem	seem	VBP
12787	14	11	to	to	TO
12787	14	12	furnish	furnish	VB
12787	14	13	the	the	DT
12787	14	14	best	good	JJS
12787	14	15	insight	insight	NN
12787	14	16	into	into	IN
12787	14	17	quantitative	quantitative	JJ
12787	14	18	analysis	analysis	NN
12787	14	19	for	for	IN
12787	14	20	those	those	DT
12787	14	21	students	student	NNS
12787	14	22	who	who	WP
12787	14	23	can	can	MD
12787	14	24	devote	devote	VB
12787	14	25	but	but	CC
12787	14	26	a	a	DT
12787	14	27	limited	limited	JJ
12787	14	28	time	time	NN
12787	14	29	to	to	IN
12787	14	30	the	the	DT
12787	14	31	subject	subject	NN
12787	14	32	,	,	,
12787	14	33	and	and	CC
12787	14	34	who	who	WP
12787	14	35	may	may	MD
12787	14	36	never	never	RB
12787	14	37	extend	extend	VB
12787	14	38	their	-PRON-	PRP$
12787	14	39	study	study	NN
12787	14	40	beyond	beyond	IN
12787	14	41	the	the	DT
12787	14	42	field	field	NN
12787	14	43	covered	cover	VBN
12787	14	44	by	by	IN
12787	14	45	this	this	DT
12787	14	46	manual	manual	NN
12787	14	47	.	.	.
12787	15	1	The	the	DT
12787	15	2	author	author	NN
12787	15	3	has	have	VBZ
12787	15	4	had	have	VBN
12787	15	5	opportunity	opportunity	NN
12787	15	6	to	to	TO
12787	15	7	test	test	VB
12787	15	8	the	the	DT
12787	15	9	efficiency	efficiency	NN
12787	15	10	of	of	IN
12787	15	11	the	the	DT
12787	15	12	course	course	NN
12787	15	13	for	for	IN
12787	15	14	use	use	NN
12787	15	15	with	with	IN
12787	15	16	such	such	JJ
12787	15	17	students	student	NNS
12787	15	18	,	,	,
12787	15	19	and	and	CC
12787	15	20	has	have	VBZ
12787	15	21	found	find	VBN
12787	15	22	the	the	DT
12787	15	23	results	result	NNS
12787	15	24	satisfactory	satisfactory	JJ
12787	15	25	.	.	.
12787	16	1	In	in	IN
12787	16	2	place	place	NN
12787	16	3	of	of	IN
12787	16	4	the	the	DT
12787	16	5	usual	usual	JJ
12787	16	6	custom	custom	NN
12787	16	7	of	of	IN
12787	16	8	selecting	select	VBG
12787	16	9	simple	simple	JJ
12787	16	10	salts	salt	NNS
12787	16	11	as	as	IN
12787	16	12	material	material	NN
12787	16	13	for	for	IN
12787	16	14	preliminary	preliminary	JJ
12787	16	15	practice	practice	NN
12787	16	16	,	,	,
12787	16	17	it	-PRON-	PRP
12787	16	18	has	have	VBZ
12787	16	19	been	be	VBN
12787	16	20	found	find	VBN
12787	16	21	advantageous	advantageous	JJ
12787	16	22	to	to	TO
12787	16	23	substitute	substitute	VB
12787	16	24	,	,	,
12787	16	25	in	in	IN
12787	16	26	most	most	JJS
12787	16	27	instances	instance	NNS
12787	16	28	,	,	,
12787	16	29	approximately	approximately	RB
12787	16	30	pure	pure	JJ
12787	16	31	samples	sample	NNS
12787	16	32	of	of	IN
12787	16	33	appropriate	appropriate	JJ
12787	16	34	minerals	mineral	NNS
12787	16	35	or	or	CC
12787	16	36	industrial	industrial	JJ
12787	16	37	products	product	NNS
12787	16	38	.	.	.
12787	17	1	The	the	DT
12787	17	2	difficulties	difficulty	NNS
12787	17	3	are	be	VBP
12787	17	4	not	not	RB
12787	17	5	greatly	greatly	RB
12787	17	6	enhanced	enhance	VBN
12787	17	7	,	,	,
12787	17	8	while	while	IN
12787	17	9	the	the	DT
12787	17	10	student	student	NN
12787	17	11	gains	gain	NNS
12787	17	12	in	in	IN
12787	17	13	practical	practical	JJ
12787	17	14	experience	experience	NN
12787	17	15	.	.	.
12787	18	1	The	the	DT
12787	18	2	analytical	analytical	JJ
12787	18	3	procedures	procedure	NNS
12787	18	4	described	describe	VBN
12787	18	5	in	in	IN
12787	18	6	the	the	DT
12787	18	7	following	follow	VBG
12787	18	8	pages	page	NNS
12787	18	9	have	have	VBP
12787	18	10	been	be	VBN
12787	18	11	selected	select	VBN
12787	18	12	chiefly	chiefly	RB
12787	18	13	with	with	IN
12787	18	14	reference	reference	NN
12787	18	15	to	to	IN
12787	18	16	their	-PRON-	PRP$
12787	18	17	usefulness	usefulness	NN
12787	18	18	in	in	IN
12787	18	19	teaching	teach	VBG
12787	18	20	the	the	DT
12787	18	21	subject	subject	NN
12787	18	22	,	,	,
12787	18	23	and	and	CC
12787	18	24	with	with	IN
12787	18	25	the	the	DT
12787	18	26	purpose	purpose	NN
12787	18	27	of	of	IN
12787	18	28	affording	afford	VBG
12787	18	29	as	as	IN
12787	18	30	wide	wide	JJ
12787	18	31	a	a	DT
12787	18	32	variety	variety	NN
12787	18	33	of	of	IN
12787	18	34	processes	process	NNS
12787	18	35	as	as	IN
12787	18	36	is	be	VBZ
12787	18	37	practicable	practicable	JJ
12787	18	38	within	within	IN
12787	18	39	an	an	DT
12787	18	40	introductory	introductory	JJ
12787	18	41	course	course	NN
12787	18	42	of	of	IN
12787	18	43	this	this	DT
12787	18	44	character	character	NN
12787	18	45	.	.	.
12787	19	1	The	the	DT
12787	19	2	scope	scope	NN
12787	19	3	of	of	IN
12787	19	4	the	the	DT
12787	19	5	manual	manual	JJ
12787	19	6	precludes	preclude	VBZ
12787	19	7	any	any	DT
12787	19	8	extended	extended	JJ
12787	19	9	attempt	attempt	NN
12787	19	10	to	to	TO
12787	19	11	indicate	indicate	VB
12787	19	12	alternative	alternative	JJ
12787	19	13	procedures	procedure	NNS
12787	19	14	,	,	,
12787	19	15	except	except	IN
12787	19	16	through	through	IN
12787	19	17	general	general	JJ
12787	19	18	references	reference	NNS
12787	19	19	to	to	IN
12787	19	20	larger	large	JJR
12787	19	21	works	work	NNS
12787	19	22	on	on	IN
12787	19	23	analytical	analytical	JJ
12787	19	24	chemistry	chemistry	NN
12787	19	25	.	.	.
12787	20	1	The	the	DT
12787	20	2	author	author	NN
12787	20	3	is	be	VBZ
12787	20	4	indebted	indebte	VBN
12787	20	5	to	to	IN
12787	20	6	the	the	DT
12787	20	7	standard	standard	JJ
12787	20	8	works	work	NNS
12787	20	9	for	for	IN
12787	20	10	many	many	JJ
12787	20	11	suggestions	suggestion	NNS
12787	20	12	for	for	IN
12787	20	13	which	which	WDT
12787	20	14	it	-PRON-	PRP
12787	20	15	is	be	VBZ
12787	20	16	impracticable	impracticable	JJ
12787	20	17	to	to	TO
12787	20	18	make	make	VB
12787	20	19	specific	specific	JJ
12787	20	20	acknowledgment	acknowledgment	NN
12787	20	21	;	;	:
12787	20	22	no	no	DT
12787	20	23	considerable	considerable	JJ
12787	20	24	credit	credit	NN
12787	20	25	is	be	VBZ
12787	20	26	claimed	claim	VBN
12787	20	27	by	by	IN
12787	20	28	him	-PRON-	PRP
12787	20	29	for	for	IN
12787	20	30	originality	originality	NN
12787	20	31	of	of	IN
12787	20	32	procedure	procedure	NN
12787	20	33	.	.	.
12787	21	1	For	for	IN
12787	21	2	many	many	JJ
12787	21	3	years	year	NNS
12787	21	4	,	,	,
12787	21	5	as	as	IN
12787	21	6	a	a	DT
12787	21	7	matter	matter	NN
12787	21	8	of	of	IN
12787	21	9	convenience	convenience	NN
12787	21	10	,	,	,
12787	21	11	the	the	DT
12787	21	12	classes	class	NNS
12787	21	13	for	for	IN
12787	21	14	which	which	WDT
12787	21	15	this	this	DT
12787	21	16	text	text	NN
12787	21	17	was	be	VBD
12787	21	18	originally	originally	RB
12787	21	19	prepared	prepare	VBN
12787	21	20	were	be	VBD
12787	21	21	divided	divide	VBN
12787	21	22	,	,	,
12787	21	23	one	one	CD
12787	21	24	part	part	NN
12787	21	25	beginning	begin	VBG
12787	21	26	with	with	IN
12787	21	27	gravimetric	gravimetric	NN
12787	21	28	processes	process	NNS
12787	21	29	and	and	CC
12787	21	30	the	the	DT
12787	21	31	other	other	JJ
12787	21	32	with	with	IN
12787	21	33	volumetric	volumetric	NN
12787	21	34	analyses	analysis	NNS
12787	21	35	.	.	.
12787	22	1	After	after	IN
12787	22	2	a	a	DT
12787	22	3	careful	careful	JJ
12787	22	4	review	review	NN
12787	22	5	of	of	IN
12787	22	6	the	the	DT
12787	22	7	experience	experience	NN
12787	22	8	thus	thus	RB
12787	22	9	gained	gain	VBD
12787	22	10	the	the	DT
12787	22	11	conclusion	conclusion	NN
12787	22	12	has	have	VBZ
12787	22	13	been	be	VBN
12787	22	14	reached	reach	VBN
12787	22	15	that	that	DT
12787	22	16	volumetric	volumetric	JJ
12787	22	17	analysis	analysis	NN
12787	22	18	offers	offer	VBZ
12787	22	19	the	the	DT
12787	22	20	better	well	JJR
12787	22	21	approach	approach	NN
12787	22	22	to	to	IN
12787	22	23	the	the	DT
12787	22	24	subject	subject	NN
12787	22	25	.	.	.
12787	23	1	Accordingly	accordingly	RB
12787	23	2	the	the	DT
12787	23	3	arrangement	arrangement	NN
12787	23	4	of	of	IN
12787	23	5	the	the	DT
12787	23	6	present	present	NN
12787	23	7	(	(	-LRB-
12787	23	8	the	the	DT
12787	23	9	sixth	sixth	JJ
12787	23	10	)	)	-RRB-
12787	23	11	edition	edition	NN
12787	23	12	of	of	IN
12787	23	13	this	this	DT
12787	23	14	manual	manual	NN
12787	23	15	has	have	VBZ
12787	23	16	been	be	VBN
12787	23	17	changed	change	VBN
12787	23	18	to	to	TO
12787	23	19	introduce	introduce	VB
12787	23	20	volumetric	volumetric	NN
12787	23	21	procedures	procedure	NNS
12787	23	22	first	first	RB
12787	23	23	.	.	.
12787	24	1	Teachers	teacher	NNS
12787	24	2	who	who	WP
12787	24	3	are	be	VBP
12787	24	4	familiar	familiar	JJ
12787	24	5	with	with	IN
12787	24	6	earlier	early	JJR
12787	24	7	editions	edition	NNS
12787	24	8	will	will	MD
12787	24	9	,	,	,
12787	24	10	however	however	RB
12787	24	11	,	,	,
12787	24	12	find	find	VB
12787	24	13	that	that	IN
12787	24	14	the	the	DT
12787	24	15	order	order	NN
12787	24	16	of	of	IN
12787	24	17	presentation	presentation	NN
12787	24	18	of	of	IN
12787	24	19	the	the	DT
12787	24	20	material	material	NN
12787	24	21	under	under	IN
12787	24	22	the	the	DT
12787	24	23	various	various	JJ
12787	24	24	divisions	division	NNS
12787	24	25	is	be	VBZ
12787	24	26	nearly	nearly	RB
12787	24	27	the	the	DT
12787	24	28	same	same	JJ
12787	24	29	as	as	IN
12787	24	30	that	that	DT
12787	24	31	previously	previously	RB
12787	24	32	followed	follow	VBD
12787	24	33	,	,	,
12787	24	34	and	and	CC
12787	24	35	those	those	DT
12787	24	36	who	who	WP
12787	24	37	may	may	MD
12787	24	38	still	still	RB
12787	24	39	prefer	prefer	VB
12787	24	40	to	to	TO
12787	24	41	begin	begin	VB
12787	24	42	the	the	DT
12787	24	43	course	course	NN
12787	24	44	of	of	IN
12787	24	45	instruction	instruction	NN
12787	24	46	with	with	IN
12787	24	47	gravimetric	gravimetric	NN
12787	24	48	processes	process	NNS
12787	24	49	will	will	MD
12787	24	50	,	,	,
12787	24	51	it	-PRON-	PRP
12787	24	52	is	be	VBZ
12787	24	53	believed	believe	VBN
12787	24	54	,	,	,
12787	24	55	be	be	VB
12787	24	56	able	able	JJ
12787	24	57	to	to	TO
12787	24	58	follow	follow	VB
12787	24	59	that	that	DT
12787	24	60	order	order	NN
12787	24	61	without	without	IN
12787	24	62	difficulty	difficulty	NN
12787	24	63	.	.	.
12787	25	1	Procedures	procedure	NNS
12787	25	2	for	for	IN
12787	25	3	the	the	DT
12787	25	4	determination	determination	NN
12787	25	5	of	of	IN
12787	25	6	sulphur	sulphur	NNP
12787	25	7	in	in	IN
12787	25	8	insoluble	insoluble	JJ
12787	25	9	sulphates	sulphate	NNS
12787	25	10	,	,	,
12787	25	11	for	for	IN
12787	25	12	the	the	DT
12787	25	13	determination	determination	NN
12787	25	14	of	of	IN
12787	25	15	copper	copper	NN
12787	25	16	in	in	IN
12787	25	17	copper	copper	NN
12787	25	18	ores	ore	NNS
12787	25	19	by	by	IN
12787	25	20	iodometric	iodometric	JJ
12787	25	21	methods	method	NNS
12787	25	22	,	,	,
12787	25	23	for	for	IN
12787	25	24	the	the	DT
12787	25	25	determination	determination	NN
12787	25	26	of	of	IN
12787	25	27	iron	iron	NN
12787	25	28	by	by	IN
12787	25	29	permanganate	permanganate	NN
12787	25	30	in	in	IN
12787	25	31	hydrochloric	hydrochloric	JJ
12787	25	32	acid	acid	NN
12787	25	33	solutions	solution	NNS
12787	25	34	,	,	,
12787	25	35	and	and	CC
12787	25	36	for	for	IN
12787	25	37	the	the	DT
12787	25	38	standardization	standardization	NN
12787	25	39	of	of	IN
12787	25	40	potassium	potassium	NN
12787	25	41	permanganate	permanganate	JJ
12787	25	42	solutions	solution	NNS
12787	25	43	using	use	VBG
12787	25	44	sodium	sodium	NN
12787	25	45	oxalate	oxalate	VBP
12787	25	46	as	as	IN
12787	25	47	a	a	DT
12787	25	48	standard	standard	NN
12787	25	49	,	,	,
12787	25	50	and	and	CC
12787	25	51	of	of	IN
12787	25	52	thiosulphate	thiosulphate	NN
12787	25	53	solutions	solution	NNS
12787	25	54	using	use	VBG
12787	25	55	copper	copper	NN
12787	25	56	as	as	IN
12787	25	57	a	a	DT
12787	25	58	standard	standard	NN
12787	25	59	,	,	,
12787	25	60	have	have	VBP
12787	25	61	been	be	VBN
12787	25	62	added	add	VBN
12787	25	63	.	.	.
12787	26	1	The	the	DT
12787	26	2	determination	determination	NN
12787	26	3	of	of	IN
12787	26	4	silica	silica	NN
12787	26	5	in	in	IN
12787	26	6	silicates	silicate	NNS
12787	26	7	decomposable	decomposable	JJ
12787	26	8	by	by	IN
12787	26	9	acids	acid	NNS
12787	26	10	,	,	,
12787	26	11	as	as	IN
12787	26	12	a	a	DT
12787	26	13	separate	separate	JJ
12787	26	14	procedure	procedure	NN
12787	26	15	,	,	,
12787	26	16	has	have	VBZ
12787	26	17	been	be	VBN
12787	26	18	omitted	omit	VBN
12787	26	19	.	.	.
12787	27	1	The	the	DT
12787	27	2	explanatory	explanatory	JJ
12787	27	3	notes	note	NNS
12787	27	4	have	have	VBP
12787	27	5	been	be	VBN
12787	27	6	rearranged	rearrange	VBN
12787	27	7	to	to	TO
12787	27	8	bring	bring	VB
12787	27	9	them	-PRON-	PRP
12787	27	10	into	into	IN
12787	27	11	closer	close	JJR
12787	27	12	association	association	NN
12787	27	13	with	with	IN
12787	27	14	the	the	DT
12787	27	15	procedures	procedure	NNS
12787	27	16	to	to	TO
12787	27	17	which	which	WDT
12787	27	18	they	-PRON-	PRP
12787	27	19	relate	relate	VBP
12787	27	20	.	.	.
12787	28	1	The	the	DT
12787	28	2	number	number	NN
12787	28	3	of	of	IN
12787	28	4	problems	problem	NNS
12787	28	5	has	have	VBZ
12787	28	6	been	be	VBN
12787	28	7	considerably	considerably	RB
12787	28	8	increased	increase	VBN
12787	28	9	.	.	.
12787	29	1	The	the	DT
12787	29	2	author	author	NN
12787	29	3	wishes	wish	VBZ
12787	29	4	to	to	TO
12787	29	5	renew	renew	VB
12787	29	6	his	-PRON-	PRP$
12787	29	7	expressions	expression	NNS
12787	29	8	of	of	IN
12787	29	9	appreciation	appreciation	NN
12787	29	10	of	of	IN
12787	29	11	the	the	DT
12787	29	12	kindly	kindly	JJ
12787	29	13	reception	reception	NN
12787	29	14	accorded	accord	VBD
12787	29	15	the	the	DT
12787	29	16	earlier	early	JJR
12787	29	17	editions	edition	NNS
12787	29	18	of	of	IN
12787	29	19	this	this	DT
12787	29	20	manual	manual	NN
12787	29	21	.	.	.
12787	30	1	He	-PRON-	PRP
12787	30	2	has	have	VBZ
12787	30	3	received	receive	VBN
12787	30	4	helpful	helpful	JJ
12787	30	5	suggestions	suggestion	NNS
12787	30	6	from	from	IN
12787	30	7	so	so	RB
12787	30	8	many	many	JJ
12787	30	9	of	of	IN
12787	30	10	his	-PRON-	PRP$
12787	30	11	colleagues	colleague	NNS
12787	30	12	within	within	IN
12787	30	13	the	the	DT
12787	30	14	Institute	Institute	NNP
12787	30	15	,	,	,
12787	30	16	and	and	CC
12787	30	17	friends	friend	NNS
12787	30	18	elsewhere	elsewhere	RB
12787	30	19	,	,	,
12787	30	20	that	that	IN
12787	30	21	his	-PRON-	PRP$
12787	30	22	sense	sense	NN
12787	30	23	of	of	IN
12787	30	24	obligation	obligation	NN
12787	30	25	must	must	MD
12787	30	26	be	be	VB
12787	30	27	expressed	express	VBN
12787	30	28	to	to	IN
12787	30	29	them	-PRON-	PRP
12787	30	30	collectively	collectively	RB
12787	30	31	.	.	.
12787	31	1	He	-PRON-	PRP
12787	31	2	is	be	VBZ
12787	31	3	under	under	IN
12787	31	4	special	special	JJ
12787	31	5	obligations	obligation	NNS
12787	31	6	to	to	IN
12787	31	7	Professor	Professor	NNP
12787	31	8	L.F.	L.F.	NNP
12787	31	9	Hamilton	Hamilton	NNP
12787	31	10	for	for	IN
12787	31	11	assistance	assistance	NN
12787	31	12	in	in	IN
12787	31	13	the	the	DT
12787	31	14	preparation	preparation	NN
12787	31	15	of	of	IN
12787	31	16	the	the	DT
12787	31	17	present	present	JJ
12787	31	18	edition	edition	NN
12787	31	19	.	.	.
12787	32	1	HENRY	HENRY	NNP
12787	32	2	P.	P.	NNP
12787	32	3	TALBOT	TALBOT	NNP
12787	32	4	!	!	.
12787	32	5	Massachusetts	Massachusetts	NNP
12787	32	6	Institute	Institute	NNP
12787	32	7	of	of	IN
12787	32	8	Technology	Technology	NNP
12787	32	9	,	,	,
12787	32	10	September	September	NNP
12787	32	11	,	,	,
12787	32	12	1921	1921	CD
12787	32	13	!	!	.
12787	32	14	.	.	.
12787	33	1	CONTENTS	content	NNS
12787	33	2	PART	PART	NNP
12787	33	3	I.	i.	NN
12787	34	1	INTRODUCTION	introduction	NN
12787	34	2	SUBDIVISIONS	subdivision	NNS
12787	34	3	OF	of	IN
12787	34	4	ANALYTICAL	analytical	NN
12787	34	5	CHEMISTRY	CHEMISTRY	NNS
12787	34	6	GENERAL	general	NN
12787	34	7	DIRECTIONS	directions	NN
12787	34	8	Accuracy	accuracy	NN
12787	34	9	and	and	CC
12787	34	10	Economy	Economy	NNP
12787	34	11	of	of	IN
12787	34	12	Time	Time	NNP
12787	34	13	;	;	:
12787	34	14	Notebooks	Notebooks	NNP
12787	34	15	;	;	:
12787	34	16	Reagents	reagent	NNS
12787	34	17	;	;	:
12787	34	18	Wash	wash	NN
12787	34	19	-	-	HYPH
12787	34	20	bottles	bottle	NNS
12787	34	21	;	;	:
12787	34	22	Transfer	Transfer	NNP
12787	34	23	of	of	IN
12787	34	24	Liquids	Liquids	NNP
12787	34	25	PART	PART	NNP
12787	34	26	II	II	NNP
12787	34	27	.	.	.
12787	35	1	VOLUMETRIC	VOLUMETRIC	NNP
12787	35	2	ANALYSIS	ANALYSIS	NNP
12787	35	3	GENERAL	GENERAL	NNP
12787	35	4	DISCUSSION	DISCUSSION	NNP
12787	35	5	Subdivisions	Subdivisions	NNPS
12787	35	6	;	;	:
12787	35	7	The	the	DT
12787	35	8	Analytical	Analytical	NNP
12787	35	9	Balance	Balance	NNP
12787	35	10	;	;	:
12787	35	11	Weights	Weights	NNPS
12787	35	12	;	;	,
12787	35	13	Burettes	burette	NNS
12787	35	14	;	;	:
12787	35	15	Calibration	Calibration	NNP
12787	35	16	of	of	IN
12787	35	17	Measuring	Measuring	NNP
12787	35	18	Devices	Devices	NNPS
12787	35	19	GENERAL	GENERAL	NNP
12787	35	20	DIRECTIONS	directions	NN
12787	35	21	Standard	standard	JJ
12787	35	22	and	and	CC
12787	35	23	Normal	Normal	NNP
12787	35	24	Solutions	Solutions	NNPS
12787	35	25	!	!	.
12787	35	26	I.	I.	NNP
12787	36	1	Neutralization	neutralization	NN
12787	36	2	Methods	method	NNS
12787	36	3	!	!	.
12787	37	1	ALKALIMETRY	ALKALIMETRY	NNP
12787	37	2	AND	and	CC
12787	37	3	ACIDIMETRY	ACIDIMETRY	NNP
12787	37	4	Preparation	Preparation	NNP
12787	37	5	and	and	CC
12787	37	6	Standardization	Standardization	NNP
12787	37	7	of	of	IN
12787	37	8	Solutions	Solutions	NNPS
12787	37	9	;	;	:
12787	37	10	Indicators	indicator	NNS
12787	37	11	STANDARDIZATION	STANDARDIZATION	VBN
12787	37	12	OF	of	IN
12787	37	13	HYDROCHLORIC	HYDROCHLORIC	NNP
12787	37	14	ACID	ACID	NNP
12787	37	15	DETERMINATION	determination	NN
12787	37	16	OF	of	IN
12787	37	17	TOTAL	TOTAL	NNP
12787	37	18	ALKALINE	ALKALINE	NNP
12787	37	19	STRENGTH	STRENGTH	NNP
12787	37	20	OF	of	IN
12787	37	21	SODA	SODA	NNP
12787	37	22	ASH	ASH	NNP
12787	37	23	DETERMINATION	determination	NN
12787	37	24	OF	of	IN
12787	37	25	ACID	ACID	NNP
12787	37	26	STRENGTH	STRENGTH	NNP
12787	37	27	OF	of	IN
12787	37	28	OXALIC	OXALIC	NNP
12787	37	29	ACID	ACID	NNP
12787	37	30	!	!	.
12787	37	31	II	ii	CD
12787	37	32	.	.	.
12787	38	1	Oxidation	oxidation	NN
12787	38	2	Processes	process	NNS
12787	38	3	!	!	.
12787	39	1	GENERAL	GENERAL	NNP
12787	39	2	DISCUSSION	discussion	NN
12787	39	3	BICHROMATE	bichromate	NN
12787	39	4	PROCESS	proces	NNS
12787	39	5	FOR	for	IN
12787	39	6	THE	the	DT
12787	39	7	DETERMINATION	DETERMINATION	NNP
12787	39	8	OF	of	IN
12787	39	9	IRON	IRON	NNP
12787	39	10	DETERMINATION	DETERMINATION	NNP
12787	39	11	OF	of	IN
12787	39	12	IRON	IRON	NNP
12787	39	13	IN	in	IN
12787	39	14	LIMONITE	limonite	NN
12787	39	15	BY	by	IN
12787	39	16	THE	the	DT
12787	39	17	BICHROMATE	BICHROMATE	NNP
12787	39	18	PROCESS	process	NN
12787	39	19	DETERMINATION	determination	NN
12787	39	20	OF	of	IN
12787	39	21	CHROMIUM	CHROMIUM	NNP
12787	39	22	IN	in	IN
12787	39	23	CHROME	CHROME	NNP
12787	39	24	IRON	iron	NN
12787	39	25	ORE	ORE	NNP
12787	39	26	PERMANGANATE	PERMANGANATE	NNP
12787	39	27	PROCESS	PROCESS	NNP
12787	39	28	FOR	for	IN
12787	39	29	THE	the	DT
12787	39	30	DETERMINATION	DETERMINATION	NNP
12787	39	31	OF	of	IN
12787	39	32	IRON	IRON	NNP
12787	39	33	DETERMINATION	DETERMINATION	NNP
12787	39	34	OF	of	IN
12787	39	35	IRON	IRON	NNP
12787	39	36	IN	in	IN
12787	39	37	LIMONITE	limonite	NN
12787	39	38	BY	by	IN
12787	39	39	THE	the	DT
12787	39	40	PERMANGANATE	PERMANGANATE	NNP
12787	39	41	PROCESS	PROCESS	NNP
12787	39	42	DETERMINATION	determination	NN
12787	39	43	OF	of	IN
12787	39	44	IRON	iron	NN
12787	39	45	IN	in	IN
12787	39	46	LIMONITE	limonite	NN
12787	39	47	BY	by	IN
12787	39	48	THE	the	DT
12787	39	49	ZIMMERMANN	zimmermann	NN
12787	39	50	-	-	HYPH
12787	39	51	REINHARDT	REINHARDT	NNP
12787	39	52	PROCESS	PROCESS	NNP
12787	39	53	DETERMINATION	determination	NN
12787	39	54	OF	of	IN
12787	39	55	THE	the	DT
12787	39	56	OXIDIZING	oxidizing	JJ
12787	39	57	POWER	power	NN
12787	39	58	OF	of	IN
12787	39	59	PYROLUSITE	PYROLUSITE	NNS
12787	39	60	IODIMETRY	iodimetry	JJ
12787	39	61	DETERMINATION	determination	NN
12787	39	62	OF	of	IN
12787	39	63	COPPER	COPPER	NNP
12787	39	64	IN	in	IN
12787	39	65	ORES	ores	JJ
12787	39	66	DETERMINATION	DETERMINATION	NNP
12787	39	67	OF	of	IN
12787	39	68	ANTIMONY	ANTIMONY	NNP
12787	39	69	IN	in	IN
12787	39	70	STIBNITE	STIBNITE	NNP
12787	39	71	CHLORIMETRY	CHLORIMETRY	NNP
12787	39	72	DETERMINATION	determination	NN
12787	39	73	OF	of	IN
12787	39	74	AVAILABLE	AVAILABLE	NNP
12787	39	75	CHLORINE	CHLORINE	NNP
12787	39	76	IN	in	IN
12787	39	77	BLEACHING	BLEACHING	NNP
12787	39	78	POWDER	POWDER	NNP
12787	39	79	!	!	.
12787	39	80	III	iii	CD
12787	39	81	.	.	.
12787	40	1	Precipitation	precipitation	NN
12787	40	2	Methods	method	NNS
12787	40	3	!	!	.
12787	41	1	DETERMINATION	determination	NN
12787	41	2	OF	of	IN
12787	41	3	SILVER	silver	NN
12787	41	4	BY	by	IN
12787	41	5	THE	the	DT
12787	41	6	THIOCYANATE	THIOCYANATE	NNP
12787	41	7	PROCESS	process	NN
12787	41	8	PART	PART	VBN
12787	41	9	III	iii	CD
12787	41	10	.	.	.
12787	42	1	GRAVIMETRIC	gravimetric	RB
12787	42	2	ANALYSIS	ANALYSIS	NNP
12787	42	3	GENERAL	GENERAL	NNP
12787	42	4	DIRECTIONS	directions	NN
12787	42	5	Precipitation	precipitation	NN
12787	42	6	;	;	,
12787	42	7	Funnels	Funnels	NNP
12787	42	8	and	and	CC
12787	42	9	Filters	Filters	NNPS
12787	42	10	;	;	:
12787	42	11	Filtration	Filtration	NNP
12787	42	12	and	and	CC
12787	42	13	Washing	Washing	NNP
12787	42	14	of	of	IN
12787	42	15	Precipitates	Precipitates	NNPS
12787	42	16	;	;	:
12787	42	17	Desiccators	desiccator	NNS
12787	42	18	;	;	:
12787	42	19	Crucibles	crucible	NNS
12787	42	20	and	and	CC
12787	42	21	their	-PRON-	PRP$
12787	42	22	Preparation	preparation	NN
12787	42	23	for	for	IN
12787	42	24	Use	Use	NNP
12787	42	25	;	;	:
12787	42	26	Ignition	Ignition	NNP
12787	42	27	of	of	IN
12787	42	28	Precipitates	Precipitates	NNP
12787	42	29	DETERMINATION	DETERMINATION	NNP
12787	42	30	OF	of	IN
12787	42	31	CHLORINE	CHLORINE	NNP
12787	42	32	IN	in	IN
12787	42	33	SODIUM	SODIUM	NNP
12787	42	34	CHLORIDE	CHLORIDE	NNP
12787	42	35	DETERMINATION	DETERMINATION	NNP
12787	42	36	OF	of	IN
12787	42	37	IRON	IRON	NNP
12787	42	38	AND	and	CC
12787	42	39	OF	of	IN
12787	42	40	SULPHUR	SULPHUR	NNP
12787	42	41	IN	in	IN
12787	42	42	FERROUS	FERROUS	NNP
12787	42	43	AMMONIUM	AMMONIUM	NNP
12787	42	44	SULPHATE	SULPHATE	NNP
12787	42	45	DETERMINATION	determination	NN
12787	42	46	OF	of	IN
12787	42	47	SULPHUR	SULPHUR	NNP
12787	42	48	IN	in	IN
12787	42	49	BARIUM	BARIUM	NNP
12787	42	50	SULPHATE	SULPHATE	NNP
12787	42	51	DETERMINATION	determination	NN
12787	42	52	OF	of	IN
12787	42	53	PHOSPHORIC	PHOSPHORIC	NNP
12787	42	54	ANHYDRIDE	ANHYDRIDE	NNPS
12787	42	55	IN	in	IN
12787	42	56	APATITE	apatite	NN
12787	42	57	ANALYSIS	analysi	NNS
12787	42	58	OF	of	IN
12787	42	59	LIMESTONE	LIMESTONE	NNP
12787	42	60	Determination	Determination	NNP
12787	42	61	of	of	IN
12787	42	62	Moisture	Moisture	NNP
12787	42	63	;	;	:
12787	42	64	Insoluble	insoluble	JJ
12787	42	65	Matter	Matter	NNP
12787	42	66	and	and	CC
12787	42	67	Silica	Silica	NNP
12787	42	68	;	;	:
12787	42	69	Ferric	Ferric	NNP
12787	42	70	Oxide	Oxide	NNP
12787	42	71	and	and	CC
12787	42	72	Alumina	Alumina	NNP
12787	42	73	;	;	:
12787	42	74	Calcium	Calcium	NNP
12787	42	75	;	;	:
12787	42	76	Magnesium	Magnesium	NNP
12787	42	77	;	;	,
12787	42	78	Carbon	carbon	NN
12787	42	79	Dioxide	dioxide	NN
12787	42	80	ANALYSIS	analysis	NN
12787	42	81	OF	of	IN
12787	42	82	BRASS	BRASS	NNP
12787	42	83	Electrolytic	Electrolytic	NNP
12787	42	84	Separations	Separations	NNPS
12787	42	85	;	;	:
12787	42	86	Determination	Determination	NNP
12787	42	87	of	of	IN
12787	42	88	Lead	Lead	NNP
12787	42	89	,	,	,
12787	42	90	Copper	Copper	NNP
12787	42	91	,	,	,
12787	42	92	Iron	Iron	NNP
12787	42	93	and	and	CC
12787	42	94	Zinc	Zinc	NNP
12787	42	95	.	.	.
12787	43	1	DETERMINATION	determination	NN
12787	43	2	OF	of	IN
12787	43	3	SILICA	SILICA	NNP
12787	43	4	IN	in	IN
12787	43	5	SILICATES	silicate	NNS
12787	43	6	PART	PART	NNP
12787	43	7	IV	IV	NNP
12787	43	8	.	.	.
12787	44	1	STOICHIOMETRY	stoichiometry	RB
12787	44	2	SOLUTIONS	solutions	JJ
12787	44	3	OF	of	IN
12787	44	4	TYPICAL	typical	NN
12787	44	5	PROBLEMS	PROBLEMS	NNP
12787	44	6	PROBLEMS	PROBLEMS	NNP
12787	44	7	APPENDIX	APPENDIX	NNP
12787	44	8	ELECTROLYTIC	ELECTROLYTIC	NNP
12787	44	9	DISSOCIATION	DISSOCIATION	NNP
12787	44	10	THEORY	THEORY	NNP
12787	44	11	FOLDING	fold	VBG
12787	44	12	OF	of	IN
12787	44	13	A	a	DT
12787	44	14	FILTER	filter	NN
12787	44	15	PAPER	paper	NN
12787	44	16	SAMPLE	sample	NN
12787	44	17	NOTEBOOK	NOTEBOOK	NNP
12787	44	18	PAGES	PAGES	NNP
12787	44	19	STRENGTH	STRENGTH	NNP
12787	44	20	OF	of	IN
12787	44	21	REAGENTS	reagents	NN
12787	44	22	DENSITIES	density	NNS
12787	44	23	AND	and	CC
12787	44	24	VOLUMES	volumes	NN
12787	44	25	OF	of	IN
12787	44	26	WATER	water	NN
12787	44	27	CORRECTIONS	correction	NNS
12787	44	28	FOR	for	IN
12787	44	29	CHANGE	CHANGE	NNS
12787	44	30	OF	of	IN
12787	44	31	TEMPERATURE	temperature	NN
12787	44	32	OF	of	IN
12787	44	33	STANDARD	STANDARD	NNP
12787	44	34	SOLUTIONS	SOLUTIONS	NNP
12787	44	35	ATOMIC	ATOMIC	NNP
12787	44	36	WEIGHTS	weights	VBP
12787	44	37	LOGARITHM	LOGARITHM	VBN
12787	44	38	TABLES	tables	NN
12787	44	39	QUANTITATIVE	quantitative	NN
12787	44	40	CHEMICAL	chemical	NN
12787	44	41	ANALYSIS	analysis	NN
12787	44	42	PART	part	NN
12787	44	43	I	-PRON-	PRP
12787	44	44	INTRODUCTION	introduction	VBP
12787	44	45	SUBDIVISIONS	subdivision	NNS
12787	44	46	OF	of	IN
12787	44	47	ANALYTICAL	analytical	NN
12787	44	48	CHEMISTRY	CHEMISTRY	NNS
12787	44	49	A	a	DT
12787	44	50	complete	complete	JJ
12787	44	51	chemical	chemical	NN
12787	44	52	analysis	analysis	NN
12787	44	53	of	of	IN
12787	44	54	a	a	DT
12787	44	55	body	body	NN
12787	44	56	of	of	IN
12787	44	57	unknown	unknown	JJ
12787	44	58	composition	composition	NN
12787	44	59	involves	involve	VBZ
12787	44	60	the	the	DT
12787	44	61	recognition	recognition	NN
12787	44	62	of	of	IN
12787	44	63	its	-PRON-	PRP$
12787	44	64	component	component	NN
12787	44	65	parts	part	NNS
12787	44	66	by	by	IN
12787	44	67	the	the	DT
12787	44	68	methods	method	NNS
12787	44	69	of	of	IN
12787	44	70	!	!	.
12787	44	71	qualitative	qualitative	JJ
12787	44	72	analysis	analysis	NN
12787	44	73	!	!	.
12787	44	74	,	,	,
12787	44	75	and	and	CC
12787	44	76	the	the	DT
12787	44	77	determination	determination	NN
12787	44	78	of	of	IN
12787	44	79	the	the	DT
12787	44	80	proportions	proportion	NNS
12787	44	81	in	in	IN
12787	44	82	which	which	WDT
12787	44	83	these	these	DT
12787	44	84	components	component	NNS
12787	44	85	are	be	VBP
12787	44	86	present	present	JJ
12787	44	87	by	by	IN
12787	44	88	the	the	DT
12787	44	89	processes	process	NNS
12787	44	90	of	of	IN
12787	44	91	!	!	.
12787	44	92	quantitative	quantitative	JJ
12787	44	93	analysis	analysis	NN
12787	44	94	!	!	.
12787	44	95	.	.	.
12787	45	1	A	a	DT
12787	45	2	preliminary	preliminary	JJ
12787	45	3	qualitative	qualitative	JJ
12787	45	4	examination	examination	NN
12787	45	5	is	be	VBZ
12787	45	6	generally	generally	RB
12787	45	7	indispensable	indispensable	JJ
12787	45	8	,	,	,
12787	45	9	if	if	IN
12787	45	10	intelligent	intelligent	JJ
12787	45	11	and	and	CC
12787	45	12	proper	proper	JJ
12787	45	13	provisions	provision	NNS
12787	45	14	are	be	VBP
12787	45	15	to	to	TO
12787	45	16	be	be	VB
12787	45	17	made	make	VBN
12787	45	18	for	for	IN
12787	45	19	the	the	DT
12787	45	20	separation	separation	NN
12787	45	21	of	of	IN
12787	45	22	the	the	DT
12787	45	23	various	various	JJ
12787	45	24	constituents	constituent	NNS
12787	45	25	under	under	IN
12787	45	26	such	such	JJ
12787	45	27	conditions	condition	NNS
12787	45	28	as	as	IN
12787	45	29	will	will	MD
12787	45	30	insure	insure	VB
12787	45	31	accurate	accurate	JJ
12787	45	32	quantitative	quantitative	JJ
12787	45	33	estimations	estimation	NNS
12787	45	34	.	.	.
12787	46	1	It	-PRON-	PRP
12787	46	2	is	be	VBZ
12787	46	3	assumed	assume	VBN
12787	46	4	that	that	IN
12787	46	5	the	the	DT
12787	46	6	operations	operation	NNS
12787	46	7	of	of	IN
12787	46	8	qualitative	qualitative	JJ
12787	46	9	analysis	analysis	NN
12787	46	10	are	be	VBP
12787	46	11	familiar	familiar	JJ
12787	46	12	to	to	IN
12787	46	13	the	the	DT
12787	46	14	student	student	NN
12787	46	15	,	,	,
12787	46	16	who	who	WP
12787	46	17	will	will	MD
12787	46	18	find	find	VB
12787	46	19	that	that	IN
12787	46	20	the	the	DT
12787	46	21	reactions	reaction	NNS
12787	46	22	made	make	VBD
12787	46	23	use	use	NN
12787	46	24	of	of	IN
12787	46	25	in	in	IN
12787	46	26	quantitative	quantitative	JJ
12787	46	27	processes	process	NNS
12787	46	28	are	be	VBP
12787	46	29	frequently	frequently	RB
12787	46	30	the	the	DT
12787	46	31	same	same	JJ
12787	46	32	as	as	IN
12787	46	33	those	those	DT
12787	46	34	employed	employ	VBN
12787	46	35	in	in	IN
12787	46	36	qualitative	qualitative	JJ
12787	46	37	analyses	analysis	NNS
12787	46	38	with	with	IN
12787	46	39	respect	respect	NN
12787	46	40	to	to	IN
12787	46	41	both	both	DT
12787	46	42	precipitation	precipitation	NN
12787	46	43	and	and	CC
12787	46	44	systematic	systematic	JJ
12787	46	45	separation	separation	NN
12787	46	46	from	from	IN
12787	46	47	interfering	interfere	VBG
12787	46	48	substances	substance	NNS
12787	46	49	;	;	:
12787	46	50	but	but	CC
12787	46	51	it	-PRON-	PRP
12787	46	52	should	should	MD
12787	46	53	be	be	VB
12787	46	54	noted	note	VBN
12787	46	55	that	that	IN
12787	46	56	the	the	DT
12787	46	57	conditions	condition	NNS
12787	46	58	must	must	MD
12787	46	59	now	now	RB
12787	46	60	be	be	VB
12787	46	61	regulated	regulate	VBN
12787	46	62	with	with	IN
12787	46	63	greater	great	JJR
12787	46	64	care	care	NN
12787	46	65	,	,	,
12787	46	66	and	and	CC
12787	46	67	in	in	IN
12787	46	68	such	such	PDT
12787	46	69	a	a	DT
12787	46	70	manner	manner	NN
12787	46	71	as	as	IN
12787	46	72	to	to	TO
12787	46	73	insure	insure	VB
12787	46	74	the	the	DT
12787	46	75	most	most	RBS
12787	46	76	complete	complete	JJ
12787	46	77	separation	separation	NN
12787	46	78	possible	possible	JJ
12787	46	79	.	.	.
12787	47	1	For	for	IN
12787	47	2	example	example	NN
12787	47	3	,	,	,
12787	47	4	in	in	IN
12787	47	5	the	the	DT
12787	47	6	qualitative	qualitative	JJ
12787	47	7	detection	detection	NN
12787	47	8	of	of	IN
12787	47	9	sulphates	sulphate	NNS
12787	47	10	by	by	IN
12787	47	11	precipitation	precipitation	NN
12787	47	12	as	as	IN
12787	47	13	barium	barium	NN
12787	47	14	sulphate	sulphate	NN
12787	47	15	from	from	IN
12787	47	16	acid	acid	JJ
12787	47	17	solution	solution	NN
12787	47	18	it	-PRON-	PRP
12787	47	19	is	be	VBZ
12787	47	20	not	not	RB
12787	47	21	necessary	necessary	JJ
12787	47	22	,	,	,
12787	47	23	in	in	IN
12787	47	24	most	most	JJS
12787	47	25	instances	instance	NNS
12787	47	26	,	,	,
12787	47	27	to	to	TO
12787	47	28	take	take	VB
12787	47	29	into	into	IN
12787	47	30	account	account	NN
12787	47	31	the	the	DT
12787	47	32	solubility	solubility	NN
12787	47	33	of	of	IN
12787	47	34	the	the	DT
12787	47	35	sulphate	sulphate	NN
12787	47	36	in	in	IN
12787	47	37	hydrochloric	hydrochloric	JJ
12787	47	38	acid	acid	NN
12787	47	39	,	,	,
12787	47	40	while	while	IN
12787	47	41	in	in	IN
12787	47	42	the	the	DT
12787	47	43	quantitative	quantitative	JJ
12787	47	44	determination	determination	NN
12787	47	45	of	of	IN
12787	47	46	sulphates	sulphate	NNS
12787	47	47	by	by	IN
12787	47	48	this	this	DT
12787	47	49	reaction	reaction	NN
12787	47	50	this	this	DT
12787	47	51	solubility	solubility	NN
12787	47	52	becomes	become	VBZ
12787	47	53	an	an	DT
12787	47	54	important	important	JJ
12787	47	55	consideration	consideration	NN
12787	47	56	.	.	.
12787	48	1	The	the	DT
12787	48	2	operations	operation	NNS
12787	48	3	of	of	IN
12787	48	4	qualitative	qualitative	JJ
12787	48	5	analysis	analysis	NN
12787	48	6	are	be	VBP
12787	48	7	,	,	,
12787	48	8	therefore	therefore	RB
12787	48	9	,	,	,
12787	48	10	the	the	DT
12787	48	11	more	more	RBR
12787	48	12	accurate	accurate	JJ
12787	48	13	the	the	DT
12787	48	14	nearer	nearer	NN
12787	48	15	they	-PRON-	PRP
12787	48	16	are	be	VBP
12787	48	17	made	make	VBN
12787	48	18	to	to	TO
12787	48	19	conform	conform	VB
12787	48	20	to	to	IN
12787	48	21	quantitative	quantitative	JJ
12787	48	22	conditions	condition	NNS
12787	48	23	.	.	.
12787	49	1	The	the	DT
12787	49	2	methods	method	NNS
12787	49	3	of	of	IN
12787	49	4	quantitative	quantitative	JJ
12787	49	5	analysis	analysis	NN
12787	49	6	are	be	VBP
12787	49	7	subdivided	subdivide	VBN
12787	49	8	,	,	,
12787	49	9	according	accord	VBG
12787	49	10	to	to	IN
12787	49	11	their	-PRON-	PRP$
12787	49	12	nature	nature	NN
12787	49	13	,	,	,
12787	49	14	into	into	IN
12787	49	15	those	those	DT
12787	49	16	of	of	IN
12787	49	17	!	!	.
12787	49	18	gravimetric	gravimetric	NN
12787	49	19	analysis	analysis	NN
12787	49	20	,	,	,
12787	49	21	volumetric	volumetric	NN
12787	49	22	analysis	analysis	NN
12787	49	23	!	!	.
12787	49	24	,	,	,
12787	49	25	and	and	CC
12787	49	26	!	!	.
12787	49	27	colorimetric	colorimetric	JJ
12787	49	28	analysis	analysis	NN
12787	49	29	!	!	.
12787	49	30	.	.	.
12787	50	1	In	in	IN
12787	50	2	!	!	.
12787	50	3	gravimetric	gravimetric	NN
12787	50	4	!	!	.
12787	51	1	processes	process	VBZ
12787	51	2	the	the	DT
12787	51	3	constituent	constituent	NN
12787	51	4	to	to	TO
12787	51	5	be	be	VB
12787	51	6	determined	determine	VBN
12787	51	7	is	be	VBZ
12787	51	8	sometimes	sometimes	RB
12787	51	9	isolated	isolate	VBN
12787	51	10	in	in	IN
12787	51	11	elementary	elementary	JJ
12787	51	12	form	form	NN
12787	51	13	,	,	,
12787	51	14	but	but	CC
12787	51	15	more	more	RBR
12787	51	16	commonly	commonly	RB
12787	51	17	in	in	IN
12787	51	18	the	the	DT
12787	51	19	form	form	NN
12787	51	20	of	of	IN
12787	51	21	some	some	DT
12787	51	22	compound	compound	NN
12787	51	23	possessing	possess	VBG
12787	51	24	a	a	DT
12787	51	25	well	well	RB
12787	51	26	-	-	HYPH
12787	51	27	established	establish	VBN
12787	51	28	and	and	CC
12787	51	29	definite	definite	JJ
12787	51	30	composition	composition	NN
12787	51	31	,	,	,
12787	51	32	which	which	WDT
12787	51	33	can	can	MD
12787	51	34	be	be	VB
12787	51	35	readily	readily	RB
12787	51	36	and	and	CC
12787	51	37	completely	completely	RB
12787	51	38	separated	separate	VBN
12787	51	39	,	,	,
12787	51	40	and	and	CC
12787	51	41	weighed	weigh	VBD
12787	51	42	either	either	RB
12787	51	43	directly	directly	RB
12787	51	44	or	or	CC
12787	51	45	after	after	IN
12787	51	46	ignition	ignition	NN
12787	51	47	.	.	.
12787	52	1	From	from	IN
12787	52	2	the	the	DT
12787	52	3	weight	weight	NN
12787	52	4	of	of	IN
12787	52	5	this	this	DT
12787	52	6	substance	substance	NN
12787	52	7	and	and	CC
12787	52	8	its	-PRON-	PRP$
12787	52	9	known	known	JJ
12787	52	10	composition	composition	NN
12787	52	11	,	,	,
12787	52	12	the	the	DT
12787	52	13	amount	amount	NN
12787	52	14	of	of	IN
12787	52	15	the	the	DT
12787	52	16	constituent	constituent	NN
12787	52	17	in	in	IN
12787	52	18	question	question	NN
12787	52	19	is	be	VBZ
12787	52	20	determined	determine	VBN
12787	52	21	.	.	.
12787	53	1	In	in	IN
12787	53	2	!	!	.
12787	53	3	volumetric	volumetric	NN
12787	53	4	!	!	.
12787	54	1	analysis	analysis	NN
12787	54	2	,	,	,
12787	54	3	instead	instead	RB
12787	54	4	of	of	IN
12787	54	5	the	the	DT
12787	54	6	final	final	JJ
12787	54	7	weighing	weighing	NN
12787	54	8	of	of	IN
12787	54	9	a	a	DT
12787	54	10	definite	definite	JJ
12787	54	11	body	body	NN
12787	54	12	,	,	,
12787	54	13	a	a	DT
12787	54	14	well	well	RB
12787	54	15	-	-	HYPH
12787	54	16	defined	define	VBN
12787	54	17	reaction	reaction	NN
12787	54	18	is	be	VBZ
12787	54	19	caused	cause	VBN
12787	54	20	to	to	TO
12787	54	21	take	take	VB
12787	54	22	place	place	NN
12787	54	23	,	,	,
12787	54	24	wherein	wherein	WRB
12787	54	25	the	the	DT
12787	54	26	reagent	reagent	NN
12787	54	27	is	be	VBZ
12787	54	28	added	add	VBN
12787	54	29	from	from	IN
12787	54	30	an	an	DT
12787	54	31	apparatus	apparatus	NN
12787	54	32	so	so	RB
12787	54	33	designed	design	VBN
12787	54	34	that	that	IN
12787	54	35	the	the	DT
12787	54	36	volume	volume	NN
12787	54	37	of	of	IN
12787	54	38	the	the	DT
12787	54	39	solution	solution	NN
12787	54	40	employed	employ	VBN
12787	54	41	to	to	TO
12787	54	42	complete	complete	VB
12787	54	43	the	the	DT
12787	54	44	reaction	reaction	NN
12787	54	45	can	can	MD
12787	54	46	be	be	VB
12787	54	47	accurately	accurately	RB
12787	54	48	measured	measure	VBN
12787	54	49	.	.	.
12787	55	1	The	the	DT
12787	55	2	strength	strength	NN
12787	55	3	of	of	IN
12787	55	4	this	this	DT
12787	55	5	solution	solution	NN
12787	55	6	(	(	-LRB-
12787	55	7	and	and	CC
12787	55	8	hence	hence	RB
12787	55	9	its	-PRON-	PRP$
12787	55	10	value	value	NN
12787	55	11	for	for	IN
12787	55	12	the	the	DT
12787	55	13	reaction	reaction	NN
12787	55	14	in	in	IN
12787	55	15	question	question	NN
12787	55	16	)	)	-RRB-
12787	55	17	is	be	VBZ
12787	55	18	accurately	accurately	RB
12787	55	19	known	know	VBN
12787	55	20	,	,	,
12787	55	21	and	and	CC
12787	55	22	the	the	DT
12787	55	23	volume	volume	NN
12787	55	24	employed	employ	VBN
12787	55	25	serves	serve	NNS
12787	55	26	,	,	,
12787	55	27	therefore	therefore	RB
12787	55	28	,	,	,
12787	55	29	as	as	IN
12787	55	30	a	a	DT
12787	55	31	measure	measure	NN
12787	55	32	of	of	IN
12787	55	33	the	the	DT
12787	55	34	substance	substance	NN
12787	55	35	acted	act	VBD
12787	55	36	upon	upon	IN
12787	55	37	.	.	.
12787	56	1	An	an	DT
12787	56	2	example	example	NN
12787	56	3	will	will	MD
12787	56	4	make	make	VB
12787	56	5	clear	clear	JJ
12787	56	6	the	the	DT
12787	56	7	distinction	distinction	NN
12787	56	8	between	between	IN
12787	56	9	these	these	DT
12787	56	10	two	two	CD
12787	56	11	types	type	NNS
12787	56	12	of	of	IN
12787	56	13	analysis	analysis	NN
12787	56	14	.	.	.
12787	57	1	The	the	DT
12787	57	2	percentage	percentage	NN
12787	57	3	of	of	IN
12787	57	4	chlorine	chlorine	NN
12787	57	5	in	in	IN
12787	57	6	a	a	DT
12787	57	7	sample	sample	NN
12787	57	8	of	of	IN
12787	57	9	sodium	sodium	NN
12787	57	10	chloride	chloride	NN
12787	57	11	may	may	MD
12787	57	12	be	be	VB
12787	57	13	determined	determine	VBN
12787	57	14	by	by	IN
12787	57	15	dissolving	dissolve	VBG
12787	57	16	a	a	DT
12787	57	17	weighed	weigh	VBN
12787	57	18	amount	amount	NN
12787	57	19	of	of	IN
12787	57	20	the	the	DT
12787	57	21	chloride	chloride	NN
12787	57	22	in	in	IN
12787	57	23	water	water	NN
12787	57	24	and	and	CC
12787	57	25	precipitating	precipitate	VBG
12787	57	26	the	the	DT
12787	57	27	chloride	chloride	NN
12787	57	28	ions	ion	NNS
12787	57	29	as	as	IN
12787	57	30	silver	silver	NN
12787	57	31	chloride	chloride	NN
12787	57	32	,	,	,
12787	57	33	which	which	WDT
12787	57	34	is	be	VBZ
12787	57	35	then	then	RB
12787	57	36	separated	separate	VBN
12787	57	37	by	by	IN
12787	57	38	filtration	filtration	NN
12787	57	39	,	,	,
12787	57	40	ignited	ignite	VBD
12787	57	41	,	,	,
12787	57	42	and	and	CC
12787	57	43	weighed	weigh	VBD
12787	57	44	(	(	-LRB-
12787	57	45	a	a	DT
12787	57	46	!	!	.
12787	57	47	gravimetric	gravimetric	NN
12787	57	48	!	!	.
12787	58	1	process	process	NN
12787	58	2	)	)	-RRB-
12787	58	3	;	;	:
12787	58	4	or	or	CC
12787	58	5	the	the	DT
12787	58	6	sodium	sodium	NN
12787	58	7	chloride	chloride	NN
12787	58	8	may	may	MD
12787	58	9	be	be	VB
12787	58	10	dissolved	dissolve	VBN
12787	58	11	in	in	IN
12787	58	12	water	water	NN
12787	58	13	,	,	,
12787	58	14	and	and	CC
12787	58	15	a	a	DT
12787	58	16	solution	solution	NN
12787	58	17	of	of	IN
12787	58	18	silver	silver	NN
12787	58	19	nitrate	nitrate	NN
12787	58	20	containing	contain	VBG
12787	58	21	an	an	DT
12787	58	22	accurately	accurately	RB
12787	58	23	known	know	VBN
12787	58	24	amount	amount	NN
12787	58	25	of	of	IN
12787	58	26	the	the	DT
12787	58	27	silver	silver	JJ
12787	58	28	salt	salt	NN
12787	58	29	in	in	IN
12787	58	30	each	each	DT
12787	58	31	cubic	cubic	JJ
12787	58	32	centimeter	centimeter	NN
12787	58	33	may	may	MD
12787	58	34	be	be	VB
12787	58	35	cautiously	cautiously	RB
12787	58	36	added	add	VBN
12787	58	37	from	from	IN
12787	58	38	a	a	DT
12787	58	39	measuring	measure	VBG
12787	58	40	device	device	NN
12787	58	41	called	call	VBD
12787	58	42	a	a	DT
12787	58	43	burette	burette	NN
12787	58	44	until	until	IN
12787	58	45	precipitation	precipitation	NN
12787	58	46	is	be	VBZ
12787	58	47	complete	complete	JJ
12787	58	48	,	,	,
12787	58	49	when	when	WRB
12787	58	50	the	the	DT
12787	58	51	amount	amount	NN
12787	58	52	of	of	IN
12787	58	53	chlorine	chlorine	NN
12787	58	54	may	may	MD
12787	58	55	be	be	VB
12787	58	56	calculated	calculate	VBN
12787	58	57	from	from	IN
12787	58	58	the	the	DT
12787	58	59	number	number	NN
12787	58	60	of	of	IN
12787	58	61	cubic	cubic	JJ
12787	58	62	centimeters	centimeter	NNS
12787	58	63	of	of	IN
12787	58	64	the	the	DT
12787	58	65	silver	silver	NN
12787	58	66	nitrate	nitrate	JJ
12787	58	67	solution	solution	NN
12787	58	68	involved	involve	VBN
12787	58	69	in	in	IN
12787	58	70	the	the	DT
12787	58	71	reaction	reaction	NN
12787	58	72	.	.	.
12787	59	1	This	this	DT
12787	59	2	is	be	VBZ
12787	59	3	a	a	DT
12787	59	4	!	!	.
12787	59	5	volumetric	volumetric	NN
12787	59	6	!	!	.
12787	60	1	process	process	NN
12787	60	2	,	,	,
12787	60	3	and	and	CC
12787	60	4	is	be	VBZ
12787	60	5	equivalent	equivalent	JJ
12787	60	6	to	to	IN
12787	60	7	weighing	weigh	VBG
12787	60	8	without	without	IN
12787	60	9	the	the	DT
12787	60	10	use	use	NN
12787	60	11	of	of	IN
12787	60	12	a	a	DT
12787	60	13	balance	balance	NN
12787	60	14	.	.	.
12787	61	1	Volumetric	volumetric	JJ
12787	61	2	methods	method	NNS
12787	61	3	are	be	VBP
12787	61	4	generally	generally	RB
12787	61	5	more	more	RBR
12787	61	6	rapid	rapid	JJ
12787	61	7	,	,	,
12787	61	8	require	require	VBP
12787	61	9	less	less	JJR
12787	61	10	apparatus	apparatus	NN
12787	61	11	,	,	,
12787	61	12	and	and	CC
12787	61	13	are	be	VBP
12787	61	14	frequently	frequently	RB
12787	61	15	capable	capable	JJ
12787	61	16	of	of	IN
12787	61	17	greater	great	JJR
12787	61	18	accuracy	accuracy	NN
12787	61	19	than	than	IN
12787	61	20	gravimetric	gravimetric	JJ
12787	61	21	methods	method	NNS
12787	61	22	.	.	.
12787	62	1	They	-PRON-	PRP
12787	62	2	are	be	VBP
12787	62	3	particularly	particularly	RB
12787	62	4	useful	useful	JJ
12787	62	5	when	when	WRB
12787	62	6	many	many	JJ
12787	62	7	determinations	determination	NNS
12787	62	8	of	of	IN
12787	62	9	the	the	DT
12787	62	10	same	same	JJ
12787	62	11	sort	sort	NN
12787	62	12	are	be	VBP
12787	62	13	required	require	VBN
12787	62	14	.	.	.
12787	63	1	In	in	IN
12787	63	2	!	!	.
12787	63	3	colorimetric	colorimetric	RB
12787	63	4	!	!	.
12787	64	1	analyses	analyse	VBZ
12787	64	2	the	the	DT
12787	64	3	substance	substance	NN
12787	64	4	to	to	TO
12787	64	5	be	be	VB
12787	64	6	determined	determine	VBN
12787	64	7	is	be	VBZ
12787	64	8	converted	convert	VBN
12787	64	9	into	into	IN
12787	64	10	some	some	DT
12787	64	11	compound	compound	NN
12787	64	12	which	which	WDT
12787	64	13	imparts	impart	VBZ
12787	64	14	to	to	IN
12787	64	15	its	-PRON-	PRP$
12787	64	16	solutions	solution	NNS
12787	64	17	a	a	DT
12787	64	18	distinct	distinct	JJ
12787	64	19	color	color	NN
12787	64	20	,	,	,
12787	64	21	the	the	DT
12787	64	22	intensity	intensity	NN
12787	64	23	of	of	IN
12787	64	24	which	which	WDT
12787	64	25	must	must	MD
12787	64	26	vary	vary	VB
12787	64	27	in	in	IN
12787	64	28	direct	direct	JJ
12787	64	29	proportion	proportion	NN
12787	64	30	to	to	IN
12787	64	31	the	the	DT
12787	64	32	amount	amount	NN
12787	64	33	of	of	IN
12787	64	34	the	the	DT
12787	64	35	compound	compound	NN
12787	64	36	in	in	IN
12787	64	37	the	the	DT
12787	64	38	solution	solution	NN
12787	64	39	.	.	.
12787	65	1	Such	such	JJ
12787	65	2	solutions	solution	NNS
12787	65	3	are	be	VBP
12787	65	4	compared	compare	VBN
12787	65	5	with	with	IN
12787	65	6	respect	respect	NN
12787	65	7	to	to	IN
12787	65	8	depth	depth	NN
12787	65	9	of	of	IN
12787	65	10	color	color	NN
12787	65	11	with	with	IN
12787	65	12	standard	standard	JJ
12787	65	13	solutions	solution	NNS
12787	65	14	containing	contain	VBG
12787	65	15	known	know	VBN
12787	65	16	amounts	amount	NNS
12787	65	17	of	of	IN
12787	65	18	the	the	DT
12787	65	19	colored	colored	JJ
12787	65	20	compound	compound	NN
12787	65	21	,	,	,
12787	65	22	or	or	CC
12787	65	23	of	of	IN
12787	65	24	other	other	JJ
12787	65	25	similar	similar	JJ
12787	65	26	color	color	NN
12787	65	27	-	-	HYPH
12787	65	28	producing	produce	VBG
12787	65	29	substance	substance	NN
12787	65	30	which	which	WDT
12787	65	31	has	have	VBZ
12787	65	32	been	be	VBN
12787	65	33	found	find	VBN
12787	65	34	acceptable	acceptable	JJ
12787	65	35	as	as	IN
12787	65	36	a	a	DT
12787	65	37	color	color	NN
12787	65	38	standard	standard	NN
12787	65	39	.	.	.
12787	66	1	Colorimetric	colorimetric	JJ
12787	66	2	methods	method	NNS
12787	66	3	are	be	VBP
12787	66	4	,	,	,
12787	66	5	in	in	IN
12787	66	6	general	general	JJ
12787	66	7	,	,	,
12787	66	8	restricted	restrict	VBN
12787	66	9	to	to	IN
12787	66	10	the	the	DT
12787	66	11	determinations	determination	NNS
12787	66	12	of	of	IN
12787	66	13	very	very	RB
12787	66	14	small	small	JJ
12787	66	15	quantities	quantity	NNS
12787	66	16	,	,	,
12787	66	17	since	since	IN
12787	66	18	only	only	RB
12787	66	19	in	in	IN
12787	66	20	dilute	dilute	JJ
12787	66	21	solutions	solution	NNS
12787	66	22	are	be	VBP
12787	66	23	accurate	accurate	JJ
12787	66	24	comparisons	comparison	NNS
12787	66	25	of	of	IN
12787	66	26	color	color	NN
12787	66	27	possible	possible	JJ
12787	66	28	.	.	.
12787	67	1	GENERAL	GENERAL	NNP
12787	67	2	DIRECTIONS	DIRECTIONS	NNP
12787	67	3	The	the	DT
12787	67	4	following	follow	VBG
12787	67	5	paragraphs	paragraph	NNS
12787	67	6	should	should	MD
12787	67	7	be	be	VB
12787	67	8	read	read	VBN
12787	67	9	carefully	carefully	RB
12787	67	10	and	and	CC
12787	67	11	thoughtfully	thoughtfully	RB
12787	67	12	.	.	.
12787	68	1	A	a	DT
12787	68	2	prime	prime	JJ
12787	68	3	essential	essential	NN
12787	68	4	for	for	IN
12787	68	5	success	success	NN
12787	68	6	as	as	IN
12787	68	7	an	an	DT
12787	68	8	analyst	analyst	NN
12787	68	9	is	be	VBZ
12787	68	10	attention	attention	NN
12787	68	11	to	to	IN
12787	68	12	details	detail	NNS
12787	68	13	and	and	CC
12787	68	14	the	the	DT
12787	68	15	avoidance	avoidance	NN
12787	68	16	of	of	IN
12787	68	17	all	all	DT
12787	68	18	conditions	condition	NNS
12787	68	19	which	which	WDT
12787	68	20	could	could	MD
12787	68	21	destroy	destroy	VB
12787	68	22	,	,	,
12787	68	23	or	or	CC
12787	68	24	even	even	RB
12787	68	25	lessen	lessen	JJ
12787	68	26	,	,	,
12787	68	27	confidence	confidence	NN
12787	68	28	in	in	IN
12787	68	29	the	the	DT
12787	68	30	analyses	analysis	NNS
12787	68	31	when	when	WRB
12787	68	32	completed	complete	VBN
12787	68	33	.	.	.
12787	69	1	The	the	DT
12787	69	2	suggestions	suggestion	NNS
12787	69	3	here	here	RB
12787	69	4	given	give	VBN
12787	69	5	are	be	VBP
12787	69	6	the	the	DT
12787	69	7	outcome	outcome	NN
12787	69	8	of	of	IN
12787	69	9	much	much	JJ
12787	69	10	experience	experience	NN
12787	69	11	,	,	,
12787	69	12	and	and	CC
12787	69	13	their	-PRON-	PRP$
12787	69	14	adoption	adoption	NN
12787	69	15	will	will	MD
12787	69	16	tend	tend	VB
12787	69	17	to	to	TO
12787	69	18	insure	insure	VB
12787	69	19	permanently	permanently	RB
12787	69	20	work	work	NN
12787	69	21	of	of	IN
12787	69	22	a	a	DT
12787	69	23	high	high	JJ
12787	69	24	grade	grade	NN
12787	69	25	,	,	,
12787	69	26	while	while	IN
12787	69	27	neglect	neglect	NN
12787	69	28	of	of	IN
12787	69	29	them	-PRON-	PRP
12787	69	30	will	will	MD
12787	69	31	often	often	RB
12787	69	32	lead	lead	VB
12787	69	33	to	to	IN
12787	69	34	disappointment	disappointment	NN
12787	69	35	and	and	CC
12787	69	36	loss	loss	NN
12787	69	37	of	of	IN
12787	69	38	time	time	NN
12787	69	39	.	.	.
12787	70	1	ACCURACY	accuracy	NN
12787	70	2	AND	and	CC
12787	70	3	ECONOMY	ECONOMY	NNS
12787	70	4	OF	of	IN
12787	70	5	TIME	time	NN
12787	70	6	The	the	DT
12787	70	7	fundamental	fundamental	JJ
12787	70	8	conception	conception	NN
12787	70	9	of	of	IN
12787	70	10	quantitative	quantitative	JJ
12787	70	11	analysis	analysis	NN
12787	70	12	implies	imply	VBZ
12787	70	13	a	a	DT
12787	70	14	necessity	necessity	NN
12787	70	15	for	for	IN
12787	70	16	all	all	DT
12787	70	17	possible	possible	JJ
12787	70	18	care	care	NN
12787	70	19	in	in	IN
12787	70	20	guarding	guard	VBG
12787	70	21	against	against	IN
12787	70	22	loss	loss	NN
12787	70	23	of	of	IN
12787	70	24	material	material	NN
12787	70	25	or	or	CC
12787	70	26	the	the	DT
12787	70	27	introduction	introduction	NN
12787	70	28	of	of	IN
12787	70	29	foreign	foreign	JJ
12787	70	30	matter	matter	NN
12787	70	31	.	.	.
12787	71	1	The	the	DT
12787	71	2	laboratory	laboratory	NN
12787	71	3	desk	desk	NN
12787	71	4	,	,	,
12787	71	5	and	and	CC
12787	71	6	all	all	DT
12787	71	7	apparatus	apparatus	NN
12787	71	8	,	,	,
12787	71	9	should	should	MD
12787	71	10	be	be	VB
12787	71	11	scrupulously	scrupulously	RB
12787	71	12	neat	neat	JJ
12787	71	13	and	and	CC
12787	71	14	clean	clean	JJ
12787	71	15	at	at	IN
12787	71	16	all	all	DT
12787	71	17	times	time	NNS
12787	71	18	.	.	.
12787	72	1	A	a	DT
12787	72	2	sponge	sponge	NN
12787	72	3	should	should	MD
12787	72	4	always	always	RB
12787	72	5	be	be	VB
12787	72	6	ready	ready	JJ
12787	72	7	at	at	IN
12787	72	8	hand	hand	NN
12787	72	9	,	,	,
12787	72	10	and	and	CC
12787	72	11	desk	desk	NN
12787	72	12	and	and	CC
12787	72	13	filter	filter	NN
12787	72	14	-	-	HYPH
12787	72	15	stands	stand	NNS
12787	72	16	should	should	MD
12787	72	17	be	be	VB
12787	72	18	kept	keep	VBN
12787	72	19	dry	dry	JJ
12787	72	20	and	and	CC
12787	72	21	in	in	IN
12787	72	22	good	good	JJ
12787	72	23	order	order	NN
12787	72	24	.	.	.
12787	73	1	Funnels	funnel	NNS
12787	73	2	should	should	MD
12787	73	3	never	never	RB
12787	73	4	be	be	VB
12787	73	5	allowed	allow	VBN
12787	73	6	to	to	TO
12787	73	7	drip	drip	VB
12787	73	8	upon	upon	IN
12787	73	9	the	the	DT
12787	73	10	base	base	NN
12787	73	11	of	of	IN
12787	73	12	the	the	DT
12787	73	13	stand	stand	NN
12787	73	14	.	.	.
12787	74	1	Glassware	Glassware	NNP
12787	74	2	should	should	MD
12787	74	3	always	always	RB
12787	74	4	be	be	VB
12787	74	5	wiped	wipe	VBN
12787	74	6	with	with	IN
12787	74	7	a	a	DT
12787	74	8	clean	clean	JJ
12787	74	9	,	,	,
12787	74	10	lintless	lintless	NN
12787	74	11	towel	towel	NN
12787	74	12	just	just	RB
12787	74	13	before	before	IN
12787	74	14	use	use	NN
12787	74	15	.	.	.
12787	75	1	All	all	DT
12787	75	2	filters	filter	NNS
12787	75	3	and	and	CC
12787	75	4	solutions	solution	NNS
12787	75	5	should	should	MD
12787	75	6	be	be	VB
12787	75	7	covered	cover	VBN
12787	75	8	to	to	TO
12787	75	9	protect	protect	VB
12787	75	10	them	-PRON-	PRP
12787	75	11	from	from	IN
12787	75	12	dust	dust	NN
12787	75	13	,	,	,
12787	75	14	just	just	RB
12787	75	15	as	as	RB
12787	75	16	far	far	RB
12787	75	17	as	as	IN
12787	75	18	is	be	VBZ
12787	75	19	practicable	practicable	JJ
12787	75	20	,	,	,
12787	75	21	and	and	CC
12787	75	22	every	every	DT
12787	75	23	drop	drop	NN
12787	75	24	of	of	IN
12787	75	25	solution	solution	NN
12787	75	26	or	or	CC
12787	75	27	particle	particle	NN
12787	75	28	of	of	IN
12787	75	29	precipitate	precipitate	NN
12787	75	30	must	must	MD
12787	75	31	be	be	VB
12787	75	32	regarded	regard	VBN
12787	75	33	as	as	IN
12787	75	34	invaluable	invaluable	JJ
12787	75	35	for	for	IN
12787	75	36	the	the	DT
12787	75	37	success	success	NN
12787	75	38	of	of	IN
12787	75	39	the	the	DT
12787	75	40	analysis	analysis	NN
12787	75	41	.	.	.
12787	76	1	An	an	DT
12787	76	2	economical	economical	JJ
12787	76	3	use	use	NN
12787	76	4	of	of	IN
12787	76	5	laboratory	laboratory	NN
12787	76	6	hours	hour	NNS
12787	76	7	is	be	VBZ
12787	76	8	best	well	RBS
12787	76	9	secured	secure	VBN
12787	76	10	by	by	IN
12787	76	11	acquiring	acquire	VBG
12787	76	12	a	a	DT
12787	76	13	thorough	thorough	JJ
12787	76	14	knowledge	knowledge	NN
12787	76	15	of	of	IN
12787	76	16	the	the	DT
12787	76	17	character	character	NN
12787	76	18	of	of	IN
12787	76	19	the	the	DT
12787	76	20	work	work	NN
12787	76	21	to	to	TO
12787	76	22	be	be	VB
12787	76	23	done	do	VBN
12787	76	24	before	before	IN
12787	76	25	undertaking	undertake	VBG
12787	76	26	it	-PRON-	PRP
12787	76	27	,	,	,
12787	76	28	and	and	CC
12787	76	29	then	then	RB
12787	76	30	by	by	IN
12787	76	31	so	so	RB
12787	76	32	arranging	arrange	VBG
12787	76	33	the	the	DT
12787	76	34	work	work	NN
12787	76	35	that	that	WDT
12787	76	36	no	no	DT
12787	76	37	time	time	NN
12787	76	38	shall	shall	MD
12787	76	39	be	be	VB
12787	76	40	wasted	waste	VBN
12787	76	41	during	during	IN
12787	76	42	the	the	DT
12787	76	43	evaporation	evaporation	NN
12787	76	44	of	of	IN
12787	76	45	liquids	liquid	NNS
12787	76	46	and	and	CC
12787	76	47	like	like	IN
12787	76	48	time	time	NN
12787	76	49	-	-	HYPH
12787	76	50	consuming	consume	VBG
12787	76	51	operations	operation	NNS
12787	76	52	.	.	.
12787	77	1	To	to	IN
12787	77	2	this	this	DT
12787	77	3	end	end	NN
12787	77	4	the	the	DT
12787	77	5	student	student	NN
12787	77	6	should	should	MD
12787	77	7	read	read	VB
12787	77	8	thoughtfully	thoughtfully	RB
12787	77	9	not	not	RB
12787	77	10	only	only	RB
12787	77	11	the	the	DT
12787	77	12	!	!	.
12787	77	13	entire	entire	JJ
12787	77	14	!	!	.
12787	78	1	procedure	procedure	NN
12787	78	2	,	,	,
12787	78	3	but	but	CC
12787	78	4	the	the	DT
12787	78	5	explanatory	explanatory	JJ
12787	78	6	notes	note	NNS
12787	78	7	as	as	RB
12787	78	8	well	well	RB
12787	78	9	,	,	,
12787	78	10	before	before	IN
12787	78	11	any	any	DT
12787	78	12	step	step	NN
12787	78	13	is	be	VBZ
12787	78	14	taken	take	VBN
12787	78	15	in	in	IN
12787	78	16	the	the	DT
12787	78	17	analysis	analysis	NN
12787	78	18	.	.	.
12787	79	1	The	the	DT
12787	79	2	explanatory	explanatory	JJ
12787	79	3	notes	note	NNS
12787	79	4	furnish	furnish	VBP
12787	79	5	,	,	,
12787	79	6	in	in	IN
12787	79	7	general	general	JJ
12787	79	8	,	,	,
12787	79	9	the	the	DT
12787	79	10	reasons	reason	NNS
12787	79	11	for	for	IN
12787	79	12	particular	particular	JJ
12787	79	13	steps	step	NNS
12787	79	14	or	or	CC
12787	79	15	precautions	precaution	NNS
12787	79	16	,	,	,
12787	79	17	but	but	CC
12787	79	18	they	-PRON-	PRP
12787	79	19	also	also	RB
12787	79	20	occasionally	occasionally	RB
12787	79	21	contain	contain	VBP
12787	79	22	details	detail	NNS
12787	79	23	of	of	IN
12787	79	24	manipulation	manipulation	NN
12787	79	25	not	not	RB
12787	79	26	incorporated	incorporate	VBN
12787	79	27	,	,	,
12787	79	28	for	for	IN
12787	79	29	various	various	JJ
12787	79	30	reasons	reason	NNS
12787	79	31	,	,	,
12787	79	32	in	in	IN
12787	79	33	the	the	DT
12787	79	34	procedure	procedure	NN
12787	79	35	.	.	.
12787	80	1	These	these	DT
12787	80	2	notes	note	NNS
12787	80	3	follow	follow	VBP
12787	80	4	the	the	DT
12787	80	5	procedures	procedure	NNS
12787	80	6	at	at	IN
12787	80	7	frequent	frequent	JJ
12787	80	8	intervals	interval	NNS
12787	80	9	,	,	,
12787	80	10	and	and	CC
12787	80	11	the	the	DT
12787	80	12	exact	exact	JJ
12787	80	13	points	point	NNS
12787	80	14	to	to	TO
12787	80	15	which	which	WDT
12787	80	16	they	-PRON-	PRP
12787	80	17	apply	apply	VBP
12787	80	18	are	be	VBP
12787	80	19	indicated	indicate	VBN
12787	80	20	by	by	IN
12787	80	21	references	reference	NNS
12787	80	22	.	.	.
12787	81	1	The	the	DT
12787	81	2	student	student	NN
12787	81	3	should	should	MD
12787	81	4	realize	realize	VB
12787	81	5	that	that	IN
12787	81	6	a	a	DT
12787	81	7	!	!	.
12787	81	8	failure	failure	NN
12787	81	9	to	to	TO
12787	81	10	study	study	VB
12787	81	11	the	the	DT
12787	81	12	notes	note	NNS
12787	81	13	will	will	MD
12787	81	14	inevitably	inevitably	RB
12787	81	15	lead	lead	VB
12787	81	16	to	to	IN
12787	81	17	mistakes	mistake	NNS
12787	81	18	,	,	,
12787	81	19	loss	loss	NN
12787	81	20	of	of	IN
12787	81	21	time	time	NN
12787	81	22	,	,	,
12787	81	23	and	and	CC
12787	81	24	an	an	DT
12787	81	25	inadequate	inadequate	JJ
12787	81	26	understanding	understanding	NN
12787	81	27	of	of	IN
12787	81	28	the	the	DT
12787	81	29	subject	subject	NN
12787	81	30	!	!	.
12787	81	31	.	.	.
12787	82	1	All	all	DT
12787	82	2	analyses	analysis	NNS
12787	82	3	should	should	MD
12787	82	4	be	be	VB
12787	82	5	made	make	VBN
12787	82	6	in	in	IN
12787	82	7	duplicate	duplicate	JJ
12787	82	8	,	,	,
12787	82	9	and	and	CC
12787	82	10	in	in	IN
12787	82	11	general	general	JJ
12787	82	12	a	a	DT
12787	82	13	close	close	JJ
12787	82	14	agreement	agreement	NN
12787	82	15	of	of	IN
12787	82	16	results	result	NNS
12787	82	17	should	should	MD
12787	82	18	be	be	VB
12787	82	19	expected	expect	VBN
12787	82	20	.	.	.
12787	83	1	It	-PRON-	PRP
12787	83	2	should	should	MD
12787	83	3	,	,	,
12787	83	4	however	however	RB
12787	83	5	,	,	,
12787	83	6	be	be	VB
12787	83	7	remembered	remember	VBN
12787	83	8	that	that	IN
12787	83	9	a	a	DT
12787	83	10	close	close	JJ
12787	83	11	concordance	concordance	NN
12787	83	12	of	of	IN
12787	83	13	results	result	NNS
12787	83	14	in	in	IN
12787	83	15	"	"	``
12787	83	16	check	check	NN
12787	83	17	analyses	analysis	NNS
12787	83	18	"	"	``
12787	83	19	is	be	VBZ
12787	83	20	not	not	RB
12787	83	21	conclusive	conclusive	JJ
12787	83	22	evidence	evidence	NN
12787	83	23	of	of	IN
12787	83	24	the	the	DT
12787	83	25	accuracy	accuracy	NN
12787	83	26	of	of	IN
12787	83	27	those	those	DT
12787	83	28	results	result	NNS
12787	83	29	,	,	,
12787	83	30	although	although	IN
12787	83	31	the	the	DT
12787	83	32	probability	probability	NN
12787	83	33	of	of	IN
12787	83	34	their	-PRON-	PRP$
12787	83	35	accuracy	accuracy	NN
12787	83	36	is	be	VBZ
12787	83	37	,	,	,
12787	83	38	of	of	IN
12787	83	39	course	course	NN
12787	83	40	,	,	,
12787	83	41	considerably	considerably	RB
12787	83	42	enhanced	enhance	VBN
12787	83	43	.	.	.
12787	84	1	The	the	DT
12787	84	2	satisfaction	satisfaction	NN
12787	84	3	in	in	IN
12787	84	4	obtaining	obtain	VBG
12787	84	5	"	"	``
12787	84	6	check	check	NN
12787	84	7	results	result	NNS
12787	84	8	"	"	''
12787	84	9	in	in	IN
12787	84	10	such	such	JJ
12787	84	11	analyses	analysis	NNS
12787	84	12	must	must	MD
12787	84	13	never	never	RB
12787	84	14	be	be	VB
12787	84	15	allowed	allow	VBN
12787	84	16	to	to	TO
12787	84	17	interfere	interfere	VB
12787	84	18	with	with	IN
12787	84	19	the	the	DT
12787	84	20	critical	critical	JJ
12787	84	21	examination	examination	NN
12787	84	22	of	of	IN
12787	84	23	the	the	DT
12787	84	24	procedure	procedure	NN
12787	84	25	employed	employ	VBN
12787	84	26	,	,	,
12787	84	27	nor	nor	CC
12787	84	28	must	must	MD
12787	84	29	they	-PRON-	PRP
12787	84	30	ever	ever	RB
12787	84	31	be	be	VB
12787	84	32	regarded	regard	VBN
12787	84	33	as	as	IN
12787	84	34	in	in	IN
12787	84	35	any	any	DT
12787	84	36	measure	measure	NN
12787	84	37	a	a	DT
12787	84	38	substitute	substitute	NN
12787	84	39	for	for	IN
12787	84	40	absolute	absolute	JJ
12787	84	41	truth	truth	NN
12787	84	42	and	and	CC
12787	84	43	accuracy	accuracy	NN
12787	84	44	.	.	.
12787	85	1	In	in	IN
12787	85	2	this	this	DT
12787	85	3	connection	connection	NN
12787	85	4	it	-PRON-	PRP
12787	85	5	must	must	MD
12787	85	6	also	also	RB
12787	85	7	be	be	VB
12787	85	8	emphasized	emphasize	VBN
12787	85	9	that	that	IN
12787	85	10	only	only	RB
12787	85	11	the	the	DT
12787	85	12	operator	operator	NN
12787	85	13	himself	-PRON-	PRP
12787	85	14	can	can	MD
12787	85	15	know	know	VB
12787	85	16	the	the	DT
12787	85	17	whole	whole	JJ
12787	85	18	history	history	NN
12787	85	19	of	of	IN
12787	85	20	an	an	DT
12787	85	21	analysis	analysis	NN
12787	85	22	,	,	,
12787	85	23	and	and	CC
12787	85	24	only	only	RB
12787	85	25	he	-PRON-	PRP
12787	85	26	can	can	MD
12787	85	27	know	know	VB
12787	85	28	whether	whether	IN
12787	85	29	his	-PRON-	PRP$
12787	85	30	work	work	NN
12787	85	31	is	be	VBZ
12787	85	32	worthy	worthy	JJ
12787	85	33	of	of	IN
12787	85	34	full	full	JJ
12787	85	35	confidence	confidence	NN
12787	85	36	.	.	.
12787	86	1	No	no	DT
12787	86	2	work	work	NN
12787	86	3	should	should	MD
12787	86	4	be	be	VB
12787	86	5	continued	continue	VBN
12787	86	6	for	for	IN
12787	86	7	a	a	DT
12787	86	8	moment	moment	NN
12787	86	9	after	after	IN
12787	86	10	such	such	JJ
12787	86	11	confidence	confidence	NN
12787	86	12	is	be	VBZ
12787	86	13	lost	lose	VBN
12787	86	14	,	,	,
12787	86	15	but	but	CC
12787	86	16	should	should	MD
12787	86	17	be	be	VB
12787	86	18	resolutely	resolutely	RB
12787	86	19	discarded	discard	VBN
12787	86	20	as	as	RB
12787	86	21	soon	soon	RB
12787	86	22	as	as	IN
12787	86	23	a	a	DT
12787	86	24	cause	cause	NN
12787	86	25	for	for	IN
12787	86	26	distrust	distrust	NN
12787	86	27	is	be	VBZ
12787	86	28	fully	fully	RB
12787	86	29	established	establish	VBN
12787	86	30	.	.	.
12787	87	1	The	the	DT
12787	87	2	student	student	NN
12787	87	3	should	should	MD
12787	87	4	,	,	,
12787	87	5	however	however	RB
12787	87	6	,	,	,
12787	87	7	determine	determine	VB
12787	87	8	to	to	TO
12787	87	9	put	put	VB
12787	87	10	forth	forth	RP
12787	87	11	his	-PRON-	PRP$
12787	87	12	best	good	JJS
12787	87	13	efforts	effort	NNS
12787	87	14	in	in	IN
12787	87	15	each	each	DT
12787	87	16	analysis	analysis	NN
12787	87	17	;	;	:
12787	87	18	it	-PRON-	PRP
12787	87	19	is	be	VBZ
12787	87	20	well	well	JJ
12787	87	21	not	not	RB
12787	87	22	to	to	TO
12787	87	23	be	be	VB
12787	87	24	too	too	RB
12787	87	25	ready	ready	JJ
12787	87	26	to	to	TO
12787	87	27	condone	condone	VB
12787	87	28	failures	failure	NNS
12787	87	29	and	and	CC
12787	87	30	to	to	TO
12787	87	31	"	"	``
12787	87	32	begin	begin	VB
12787	87	33	again	again	RB
12787	87	34	,	,	,
12787	87	35	"	"	''
12787	87	36	as	as	IN
12787	87	37	much	much	JJ
12787	87	38	time	time	NN
12787	87	39	is	be	VBZ
12787	87	40	lost	lose	VBN
12787	87	41	in	in	IN
12787	87	42	these	these	DT
12787	87	43	fruitless	fruitless	JJ
12787	87	44	attempts	attempt	NNS
12787	87	45	.	.	.
12787	88	1	Nothing	nothing	NN
12787	88	2	less	less	JJR
12787	88	3	than	than	IN
12787	88	4	!	!	.
12787	88	5	absolute	absolute	JJ
12787	88	6	integrity	integrity	NN
12787	88	7	!	!	.
12787	89	1	is	be	VBZ
12787	89	2	or	or	CC
12787	89	3	can	can	MD
12787	89	4	be	be	VB
12787	89	5	demanded	demand	VBN
12787	89	6	of	of	IN
12787	89	7	a	a	DT
12787	89	8	quantitative	quantitative	JJ
12787	89	9	analyst	analyst	NN
12787	89	10	,	,	,
12787	89	11	and	and	CC
12787	89	12	any	any	DT
12787	89	13	disregard	disregard	NN
12787	89	14	of	of	IN
12787	89	15	this	this	DT
12787	89	16	principle	principle	NN
12787	89	17	,	,	,
12787	89	18	however	however	RB
12787	89	19	slight	slight	JJ
12787	89	20	,	,	,
12787	89	21	is	be	VBZ
12787	89	22	as	as	RB
12787	89	23	fatal	fatal	JJ
12787	89	24	to	to	IN
12787	89	25	success	success	NN
12787	89	26	as	as	IN
12787	89	27	lack	lack	NN
12787	89	28	of	of	IN
12787	89	29	chemical	chemical	JJ
12787	89	30	knowledge	knowledge	NN
12787	89	31	or	or	CC
12787	89	32	inaptitude	inaptitude	NN
12787	89	33	in	in	IN
12787	89	34	manipulation	manipulation	NN
12787	89	35	can	can	MD
12787	89	36	possibly	possibly	RB
12787	89	37	be	be	VB
12787	89	38	.	.	.
12787	90	1	NOTEBOOKS	NOTEBOOKS	NNP
12787	90	2	Notebooks	Notebooks	NNP
12787	90	3	should	should	MD
12787	90	4	contain	contain	VB
12787	90	5	,	,	,
12787	90	6	beside	beside	IN
12787	90	7	the	the	DT
12787	90	8	record	record	NN
12787	90	9	of	of	IN
12787	90	10	observations	observation	NNS
12787	90	11	,	,	,
12787	90	12	descriptive	descriptive	JJ
12787	90	13	notes	note	NNS
12787	90	14	.	.	.
12787	91	1	All	all	DT
12787	91	2	records	record	NNS
12787	91	3	of	of	IN
12787	91	4	weights	weight	NNS
12787	91	5	should	should	MD
12787	91	6	be	be	VB
12787	91	7	placed	place	VBN
12787	91	8	upon	upon	IN
12787	91	9	the	the	DT
12787	91	10	right	right	JJ
12787	91	11	-	-	HYPH
12787	91	12	hand	hand	NN
12787	91	13	page	page	NN
12787	91	14	,	,	,
12787	91	15	while	while	IN
12787	91	16	that	that	DT
12787	91	17	on	on	IN
12787	91	18	the	the	DT
12787	91	19	left	left	NN
12787	91	20	is	be	VBZ
12787	91	21	reserved	reserve	VBN
12787	91	22	for	for	IN
12787	91	23	the	the	DT
12787	91	24	notes	note	NNS
12787	91	25	,	,	,
12787	91	26	calculations	calculation	NNS
12787	91	27	of	of	IN
12787	91	28	factors	factor	NNS
12787	91	29	,	,	,
12787	91	30	or	or	CC
12787	91	31	the	the	DT
12787	91	32	amount	amount	NN
12787	91	33	of	of	IN
12787	91	34	reagents	reagent	NNS
12787	91	35	required	require	VBN
12787	91	36	.	.	.
12787	92	1	The	the	DT
12787	92	2	neat	neat	JJ
12787	92	3	and	and	CC
12787	92	4	systematic	systematic	JJ
12787	92	5	arrangement	arrangement	NN
12787	92	6	of	of	IN
12787	92	7	the	the	DT
12787	92	8	records	record	NNS
12787	92	9	of	of	IN
12787	92	10	analyses	analysis	NNS
12787	92	11	is	be	VBZ
12787	92	12	of	of	IN
12787	92	13	the	the	DT
12787	92	14	first	first	JJ
12787	92	15	importance	importance	NN
12787	92	16	,	,	,
12787	92	17	and	and	CC
12787	92	18	is	be	VBZ
12787	92	19	an	an	DT
12787	92	20	evidence	evidence	NN
12787	92	21	of	of	IN
12787	92	22	careful	careful	JJ
12787	92	23	work	work	NN
12787	92	24	and	and	CC
12787	92	25	an	an	DT
12787	92	26	excellent	excellent	JJ
12787	92	27	credential	credential	NN
12787	92	28	.	.	.
12787	93	1	Of	of	IN
12787	93	2	two	two	CD
12787	93	3	notebooks	notebook	NNS
12787	93	4	in	in	IN
12787	93	5	which	which	WDT
12787	93	6	the	the	DT
12787	93	7	results	result	NNS
12787	93	8	may	may	MD
12787	93	9	be	be	VB
12787	93	10	,	,	,
12787	93	11	in	in	IN
12787	93	12	fact	fact	NN
12787	93	13	,	,	,
12787	93	14	of	of	IN
12787	93	15	equal	equal	JJ
12787	93	16	value	value	NN
12787	93	17	as	as	IN
12787	93	18	legal	legal	JJ
12787	93	19	evidence	evidence	NN
12787	93	20	,	,	,
12787	93	21	that	that	IN
12787	93	22	one	one	NN
12787	93	23	which	which	WDT
12787	93	24	is	be	VBZ
12787	93	25	neatly	neatly	RB
12787	93	26	arranged	arrange	VBN
12787	93	27	will	will	MD
12787	93	28	carry	carry	VB
12787	93	29	with	with	IN
12787	93	30	it	-PRON-	PRP
12787	93	31	greater	great	JJR
12787	93	32	weight	weight	NN
12787	93	33	.	.	.
12787	94	1	All	all	DT
12787	94	2	records	record	NNS
12787	94	3	should	should	MD
12787	94	4	be	be	VB
12787	94	5	dated	date	VBN
12787	94	6	,	,	,
12787	94	7	and	and	CC
12787	94	8	all	all	DT
12787	94	9	observations	observation	NNS
12787	94	10	should	should	MD
12787	94	11	be	be	VB
12787	94	12	recorded	record	VBN
12787	94	13	at	at	IN
12787	94	14	once	once	RB
12787	94	15	in	in	IN
12787	94	16	the	the	DT
12787	94	17	notebook	notebook	NN
12787	94	18	.	.	.
12787	95	1	The	the	DT
12787	95	2	making	making	NN
12787	95	3	of	of	IN
12787	95	4	records	record	NNS
12787	95	5	upon	upon	IN
12787	95	6	loose	loose	JJ
12787	95	7	paper	paper	NN
12787	95	8	is	be	VBZ
12787	95	9	a	a	DT
12787	95	10	practice	practice	NN
12787	95	11	to	to	TO
12787	95	12	be	be	VB
12787	95	13	deprecated	deprecate	VBN
12787	95	14	,	,	,
12787	95	15	as	as	IN
12787	95	16	is	be	VBZ
12787	95	17	also	also	RB
12787	95	18	that	that	DT
12787	95	19	of	of	IN
12787	95	20	copying	copy	VBG
12787	95	21	original	original	JJ
12787	95	22	entries	entry	NNS
12787	95	23	into	into	IN
12787	95	24	a	a	DT
12787	95	25	second	second	JJ
12787	95	26	notebook	notebook	NN
12787	95	27	.	.	.
12787	96	1	The	the	DT
12787	96	2	student	student	NN
12787	96	3	should	should	MD
12787	96	4	accustom	accustom	VB
12787	96	5	himself	-PRON-	PRP
12787	96	6	to	to	IN
12787	96	7	orderly	orderly	JJ
12787	96	8	entries	entry	NNS
12787	96	9	at	at	IN
12787	96	10	the	the	DT
12787	96	11	time	time	NN
12787	96	12	of	of	IN
12787	96	13	observation	observation	NN
12787	96	14	.	.	.
12787	97	1	Several	several	JJ
12787	97	2	sample	sample	NN
12787	97	3	pages	page	NNS
12787	97	4	of	of	IN
12787	97	5	systematic	systematic	JJ
12787	97	6	records	record	NNS
12787	97	7	are	be	VBP
12787	97	8	to	to	TO
12787	97	9	be	be	VB
12787	97	10	found	find	VBN
12787	97	11	in	in	IN
12787	97	12	the	the	DT
12787	97	13	Appendix	Appendix	NNP
12787	97	14	.	.	.
12787	98	1	These	these	DT
12787	98	2	are	be	VBP
12787	98	3	based	base	VBN
12787	98	4	upon	upon	IN
12787	98	5	experience	experience	NN
12787	98	6	;	;	:
12787	98	7	but	but	CC
12787	98	8	other	other	JJ
12787	98	9	arrangements	arrangement	NNS
12787	98	10	,	,	,
12787	98	11	if	if	IN
12787	98	12	clear	clear	JJ
12787	98	13	and	and	CC
12787	98	14	orderly	orderly	JJ
12787	98	15	,	,	,
12787	98	16	may	may	MD
12787	98	17	prove	prove	VB
12787	98	18	equally	equally	RB
12787	98	19	serviceable	serviceable	JJ
12787	98	20	.	.	.
12787	99	1	The	the	DT
12787	99	2	student	student	NN
12787	99	3	is	be	VBZ
12787	99	4	advised	advise	VBN
12787	99	5	to	to	TO
12787	99	6	follow	follow	VB
12787	99	7	the	the	DT
12787	99	8	sample	sample	NN
12787	99	9	pages	page	NNS
12787	99	10	until	until	IN
12787	99	11	he	-PRON-	PRP
12787	99	12	is	be	VBZ
12787	99	13	in	in	IN
12787	99	14	a	a	DT
12787	99	15	position	position	NN
12787	99	16	to	to	TO
12787	99	17	plan	plan	VB
12787	99	18	out	out	RP
12787	99	19	a	a	DT
12787	99	20	system	system	NN
12787	99	21	of	of	IN
12787	99	22	his	-PRON-	PRP$
12787	99	23	own	own	JJ
12787	99	24	.	.	.
12787	100	1	REAGENTS	reagent	NNS
12787	100	2	The	the	DT
12787	100	3	habit	habit	NN
12787	100	4	of	of	IN
12787	100	5	carefully	carefully	RB
12787	100	6	testing	test	VBG
12787	100	7	reagents	reagent	NNS
12787	100	8	,	,	,
12787	100	9	including	include	VBG
12787	100	10	distilled	distil	VBN
12787	100	11	water	water	NN
12787	100	12	,	,	,
12787	100	13	can	can	MD
12787	100	14	not	not	RB
12787	100	15	be	be	VB
12787	100	16	too	too	RB
12787	100	17	early	early	RB
12787	100	18	acquired	acquire	VBN
12787	100	19	or	or	CC
12787	100	20	too	too	RB
12787	100	21	constantly	constantly	RB
12787	100	22	practiced	practice	VBN
12787	100	23	;	;	:
12787	100	24	for	for	IN
12787	100	25	,	,	,
12787	100	26	in	in	IN
12787	100	27	spite	spite	NN
12787	100	28	of	of	IN
12787	100	29	all	all	DT
12787	100	30	reasonable	reasonable	JJ
12787	100	31	precautionary	precautionary	JJ
12787	100	32	measures	measure	NNS
12787	100	33	,	,	,
12787	100	34	inferior	inferior	JJ
12787	100	35	chemicals	chemical	NNS
12787	100	36	will	will	MD
12787	100	37	occasionally	occasionally	RB
12787	100	38	find	find	VB
12787	100	39	their	-PRON-	PRP$
12787	100	40	way	way	NN
12787	100	41	into	into	IN
12787	100	42	the	the	DT
12787	100	43	stock	stock	NN
12787	100	44	room	room	NN
12787	100	45	,	,	,
12787	100	46	or	or	CC
12787	100	47	errors	error	NNS
12787	100	48	will	will	MD
12787	100	49	be	be	VB
12787	100	50	made	make	VBN
12787	100	51	in	in	IN
12787	100	52	filling	fill	VBG
12787	100	53	reagent	reagent	NN
12787	100	54	bottles	bottle	NNS
12787	100	55	.	.	.
12787	101	1	The	the	DT
12787	101	2	student	student	NN
12787	101	3	should	should	MD
12787	101	4	remember	remember	VB
12787	101	5	that	that	IN
12787	101	6	while	while	IN
12787	101	7	there	there	EX
12787	101	8	may	may	MD
12787	101	9	be	be	VB
12787	101	10	others	other	NNS
12787	101	11	who	who	WP
12787	101	12	share	share	VBP
12787	101	13	the	the	DT
12787	101	14	responsibility	responsibility	NN
12787	101	15	for	for	IN
12787	101	16	the	the	DT
12787	101	17	purity	purity	NN
12787	101	18	of	of	IN
12787	101	19	materials	material	NNS
12787	101	20	in	in	IN
12787	101	21	the	the	DT
12787	101	22	laboratory	laboratory	NN
12787	101	23	of	of	IN
12787	101	24	an	an	DT
12787	101	25	institution	institution	NN
12787	101	26	,	,	,
12787	101	27	the	the	DT
12787	101	28	responsibility	responsibility	NN
12787	101	29	will	will	MD
12787	101	30	later	later	RB
12787	101	31	be	be	VB
12787	101	32	one	one	CD
12787	101	33	which	which	WDT
12787	101	34	he	-PRON-	PRP
12787	101	35	must	must	MD
12787	101	36	individually	individually	RB
12787	101	37	assume	assume	VB
12787	101	38	.	.	.
12787	102	1	The	the	DT
12787	102	2	stoppers	stopper	NNS
12787	102	3	of	of	IN
12787	102	4	reagent	reagent	JJ
12787	102	5	bottles	bottle	NNS
12787	102	6	should	should	MD
12787	102	7	never	never	RB
12787	102	8	be	be	VB
12787	102	9	laid	lay	VBN
12787	102	10	upon	upon	IN
12787	102	11	the	the	DT
12787	102	12	desk	desk	NN
12787	102	13	,	,	,
12787	102	14	unless	unless	IN
12787	102	15	upon	upon	IN
12787	102	16	a	a	DT
12787	102	17	clean	clean	JJ
12787	102	18	watch	watch	NN
12787	102	19	-	-	HYPH
12787	102	20	glass	glass	NN
12787	102	21	or	or	CC
12787	102	22	paper	paper	NN
12787	102	23	.	.	.
12787	103	1	The	the	DT
12787	103	2	neck	neck	NN
12787	103	3	and	and	CC
12787	103	4	mouth	mouth	NN
12787	103	5	of	of	IN
12787	103	6	all	all	DT
12787	103	7	such	such	JJ
12787	103	8	bottles	bottle	NNS
12787	103	9	should	should	MD
12787	103	10	be	be	VB
12787	103	11	kept	keep	VBN
12787	103	12	scrupulously	scrupulously	RB
12787	103	13	clean	clean	JJ
12787	103	14	,	,	,
12787	103	15	and	and	CC
12787	103	16	care	care	NN
12787	103	17	taken	take	VBN
12787	103	18	that	that	IN
12787	103	19	no	no	DT
12787	103	20	confusion	confusion	NN
12787	103	21	of	of	IN
12787	103	22	stoppers	stopper	NNS
12787	103	23	occurs	occur	VBZ
12787	103	24	.	.	.
12787	104	1	WASH	wash	NN
12787	104	2	-	-	:
12787	104	3	BOTTLES	BOTTLES	NNP
12787	104	4	Wash	wash	NN
12787	104	5	-	-	HYPH
12787	104	6	bottles	bottle	NNS
12787	104	7	for	for	IN
12787	104	8	distilled	distilled	JJ
12787	104	9	water	water	NN
12787	104	10	should	should	MD
12787	104	11	be	be	VB
12787	104	12	made	make	VBN
12787	104	13	from	from	IN
12787	104	14	flasks	flask	NNS
12787	104	15	of	of	IN
12787	104	16	about	about	RB
12787	104	17	750	750	CD
12787	104	18	cc	cc	NN
12787	104	19	.	.	.
12787	105	1	capacity	capacity	NN
12787	105	2	and	and	CC
12787	105	3	be	be	VB
12787	105	4	provided	provide	VBN
12787	105	5	with	with	IN
12787	105	6	gracefully	gracefully	RB
12787	105	7	bent	bent	JJ
12787	105	8	tubes	tube	NNS
12787	105	9	,	,	,
12787	105	10	which	which	WDT
12787	105	11	should	should	MD
12787	105	12	not	not	RB
12787	105	13	be	be	VB
12787	105	14	too	too	RB
12787	105	15	long	long	JJ
12787	105	16	.	.	.
12787	106	1	The	the	DT
12787	106	2	jet	jet	NN
12787	106	3	should	should	MD
12787	106	4	be	be	VB
12787	106	5	connected	connect	VBN
12787	106	6	with	with	IN
12787	106	7	the	the	DT
12787	106	8	tube	tube	NN
12787	106	9	entering	enter	VBG
12787	106	10	the	the	DT
12787	106	11	wash	wash	NN
12787	106	12	-	-	HYPH
12787	106	13	bottle	bottle	NN
12787	106	14	by	by	IN
12787	106	15	a	a	DT
12787	106	16	short	short	JJ
12787	106	17	piece	piece	NN
12787	106	18	of	of	IN
12787	106	19	rubber	rubber	NN
12787	106	20	tubing	tube	VBG
12787	106	21	in	in	IN
12787	106	22	such	such	PDT
12787	106	23	a	a	DT
12787	106	24	way	way	NN
12787	106	25	as	as	IN
12787	106	26	to	to	TO
12787	106	27	be	be	VB
12787	106	28	flexible	flexible	JJ
12787	106	29	,	,	,
12787	106	30	and	and	CC
12787	106	31	should	should	MD
12787	106	32	deliver	deliver	VB
12787	106	33	a	a	DT
12787	106	34	stream	stream	NN
12787	106	35	about	about	IN
12787	106	36	one	one	CD
12787	106	37	millimeter	millimeter	NN
12787	106	38	in	in	IN
12787	106	39	diameter	diameter	NN
12787	106	40	.	.	.
12787	107	1	The	the	DT
12787	107	2	neck	neck	NN
12787	107	3	of	of	IN
12787	107	4	the	the	DT
12787	107	5	flask	flask	NN
12787	107	6	may	may	MD
12787	107	7	be	be	VB
12787	107	8	wound	wind	VBN
12787	107	9	with	with	IN
12787	107	10	cord	cord	NN
12787	107	11	,	,	,
12787	107	12	or	or	CC
12787	107	13	covered	cover	VBN
12787	107	14	with	with	IN
12787	107	15	wash	wash	NN
12787	107	16	-	-	HYPH
12787	107	17	leather	leather	NN
12787	107	18	,	,	,
12787	107	19	for	for	IN
12787	107	20	greater	great	JJR
12787	107	21	comfort	comfort	NN
12787	107	22	when	when	WRB
12787	107	23	hot	hot	JJ
12787	107	24	water	water	NN
12787	107	25	is	be	VBZ
12787	107	26	used	use	VBN
12787	107	27	.	.	.
12787	108	1	It	-PRON-	PRP
12787	108	2	is	be	VBZ
12787	108	3	well	well	JJ
12787	108	4	to	to	TO
12787	108	5	provide	provide	VB
12787	108	6	several	several	JJ
12787	108	7	small	small	JJ
12787	108	8	wash	wash	NN
12787	108	9	-	-	HYPH
12787	108	10	bottles	bottle	NNS
12787	108	11	for	for	IN
12787	108	12	liquids	liquid	NNS
12787	108	13	other	other	JJ
12787	108	14	than	than	IN
12787	108	15	distilled	distilled	JJ
12787	108	16	water	water	NN
12787	108	17	,	,	,
12787	108	18	which	which	WDT
12787	108	19	should	should	MD
12787	108	20	invariably	invariably	RB
12787	108	21	be	be	VB
12787	108	22	clearly	clearly	RB
12787	108	23	labeled	label	VBN
12787	108	24	.	.	.
12787	109	1	TRANSFER	transfer	NN
12787	109	2	OF	of	IN
12787	109	3	LIQUIDS	LIQUIDS	NNP
12787	109	4	Liquids	Liquids	NNP
12787	109	5	should	should	MD
12787	109	6	never	never	RB
12787	109	7	be	be	VB
12787	109	8	transferred	transfer	VBN
12787	109	9	from	from	IN
12787	109	10	one	one	CD
12787	109	11	vessel	vessel	NN
12787	109	12	to	to	IN
12787	109	13	another	another	DT
12787	109	14	,	,	,
12787	109	15	nor	nor	CC
12787	109	16	to	to	IN
12787	109	17	a	a	DT
12787	109	18	filter	filter	NN
12787	109	19	,	,	,
12787	109	20	without	without	IN
12787	109	21	the	the	DT
12787	109	22	aid	aid	NN
12787	109	23	of	of	IN
12787	109	24	a	a	DT
12787	109	25	stirring	stirring	JJ
12787	109	26	rod	rod	NN
12787	109	27	held	hold	VBN
12787	109	28	firmly	firmly	RB
12787	109	29	against	against	IN
12787	109	30	the	the	DT
12787	109	31	side	side	NN
12787	109	32	or	or	CC
12787	109	33	lip	lip	NN
12787	109	34	of	of	IN
12787	109	35	the	the	DT
12787	109	36	vessel	vessel	NN
12787	109	37	.	.	.
12787	110	1	When	when	WRB
12787	110	2	the	the	DT
12787	110	3	vessel	vessel	NN
12787	110	4	is	be	VBZ
12787	110	5	provided	provide	VBN
12787	110	6	with	with	IN
12787	110	7	a	a	DT
12787	110	8	lip	lip	NN
12787	110	9	it	-PRON-	PRP
12787	110	10	is	be	VBZ
12787	110	11	not	not	RB
12787	110	12	usually	usually	RB
12787	110	13	necessary	necessary	JJ
12787	110	14	to	to	TO
12787	110	15	use	use	VB
12787	110	16	other	other	JJ
12787	110	17	means	mean	NNS
12787	110	18	to	to	TO
12787	110	19	prevent	prevent	VB
12787	110	20	the	the	DT
12787	110	21	loss	loss	NN
12787	110	22	of	of	IN
12787	110	23	liquid	liquid	NN
12787	110	24	by	by	IN
12787	110	25	running	run	VBG
12787	110	26	down	down	IN
12787	110	27	the	the	DT
12787	110	28	side	side	NN
12787	110	29	;	;	:
12787	110	30	whenever	whenever	WRB
12787	110	31	loss	loss	NN
12787	110	32	seems	seem	VBZ
12787	110	33	imminent	imminent	JJ
12787	110	34	a	a	DT
12787	110	35	!	!	.
12787	110	36	very	very	RB
12787	110	37	thin	thin	JJ
12787	110	38	!	!	.
12787	111	1	layer	layer	NN
12787	111	2	of	of	IN
12787	111	3	vaseline	vaseline	NN
12787	111	4	,	,	,
12787	111	5	applied	apply	VBN
12787	111	6	with	with	IN
12787	111	7	the	the	DT
12787	111	8	finger	finger	NN
12787	111	9	to	to	IN
12787	111	10	the	the	DT
12787	111	11	edge	edge	NN
12787	111	12	of	of	IN
12787	111	13	the	the	DT
12787	111	14	vessel	vessel	NN
12787	111	15	,	,	,
12787	111	16	will	will	MD
12787	111	17	prevent	prevent	VB
12787	111	18	it	-PRON-	PRP
12787	111	19	.	.	.
12787	112	1	The	the	DT
12787	112	2	stirring	stirring	JJ
12787	112	3	rod	rod	NN
12787	112	4	down	down	RP
12787	112	5	which	which	WDT
12787	112	6	the	the	DT
12787	112	7	liquid	liquid	NN
12787	112	8	runs	run	NNS
12787	112	9	should	should	MD
12787	112	10	never	never	RB
12787	112	11	be	be	VB
12787	112	12	drawn	draw	VBN
12787	112	13	upward	upward	RB
12787	112	14	in	in	IN
12787	112	15	such	such	PDT
12787	112	16	a	a	DT
12787	112	17	way	way	NN
12787	112	18	as	as	IN
12787	112	19	to	to	TO
12787	112	20	allow	allow	VB
12787	112	21	the	the	DT
12787	112	22	solution	solution	NN
12787	112	23	to	to	TO
12787	112	24	collect	collect	VB
12787	112	25	on	on	IN
12787	112	26	the	the	DT
12787	112	27	under	under	JJ
12787	112	28	side	side	NN
12787	112	29	of	of	IN
12787	112	30	the	the	DT
12787	112	31	rim	rim	NN
12787	112	32	or	or	CC
12787	112	33	lip	lip	NN
12787	112	34	of	of	IN
12787	112	35	a	a	DT
12787	112	36	vessel	vessel	NN
12787	112	37	.	.	.
12787	113	1	The	the	DT
12787	113	2	number	number	NN
12787	113	3	of	of	IN
12787	113	4	transfers	transfer	NNS
12787	113	5	of	of	IN
12787	113	6	liquids	liquid	NNS
12787	113	7	from	from	IN
12787	113	8	one	one	CD
12787	113	9	vessel	vessel	NN
12787	113	10	to	to	IN
12787	113	11	another	another	DT
12787	113	12	during	during	IN
12787	113	13	an	an	DT
12787	113	14	analysis	analysis	NN
12787	113	15	should	should	MD
12787	113	16	be	be	VB
12787	113	17	as	as	RB
12787	113	18	small	small	JJ
12787	113	19	as	as	IN
12787	113	20	possible	possible	JJ
12787	113	21	to	to	TO
12787	113	22	avoid	avoid	VB
12787	113	23	the	the	DT
12787	113	24	risk	risk	NN
12787	113	25	of	of	IN
12787	113	26	slight	slight	JJ
12787	113	27	losses	loss	NNS
12787	113	28	.	.	.
12787	114	1	Each	each	DT
12787	114	2	vessel	vessel	NN
12787	114	3	must	must	MD
12787	114	4	,	,	,
12787	114	5	of	of	IN
12787	114	6	course	course	NN
12787	114	7	,	,	,
12787	114	8	be	be	VB
12787	114	9	completely	completely	RB
12787	114	10	washed	wash	VBN
12787	114	11	to	to	TO
12787	114	12	insure	insure	VB
12787	114	13	the	the	DT
12787	114	14	transfer	transfer	NN
12787	114	15	of	of	IN
12787	114	16	all	all	DT
12787	114	17	material	material	NN
12787	114	18	;	;	:
12787	114	19	but	but	CC
12787	114	20	it	-PRON-	PRP
12787	114	21	should	should	MD
12787	114	22	be	be	VB
12787	114	23	remembered	remember	VBN
12787	114	24	that	that	IN
12787	114	25	this	this	DT
12787	114	26	can	can	MD
12787	114	27	be	be	VB
12787	114	28	accomplished	accomplish	VBN
12787	114	29	better	well	RBR
12787	114	30	by	by	IN
12787	114	31	the	the	DT
12787	114	32	use	use	NN
12787	114	33	of	of	IN
12787	114	34	successive	successive	JJ
12787	114	35	small	small	JJ
12787	114	36	portions	portion	NNS
12787	114	37	of	of	IN
12787	114	38	wash	wash	NN
12787	114	39	-	-	HYPH
12787	114	40	water	water	NN
12787	114	41	(	(	-LRB-
12787	114	42	perhaps	perhaps	RB
12787	114	43	5	5	CD
12787	114	44	-	-	SYM
12787	114	45	10	10	CD
12787	114	46	cc	cc	NN
12787	114	47	.	.	.
12787	115	1	)	)	-RRB-
12787	115	2	,	,	,
12787	115	3	if	if	IN
12787	115	4	each	each	DT
12787	115	5	wash	wash	NN
12787	115	6	-	-	HYPH
12787	115	7	water	water	NN
12787	115	8	is	be	VBZ
12787	115	9	allowed	allow	VBN
12787	115	10	to	to	TO
12787	115	11	drain	drain	VB
12787	115	12	away	away	RB
12787	115	13	for	for	IN
12787	115	14	a	a	DT
12787	115	15	few	few	JJ
12787	115	16	seconds	second	NNS
12787	115	17	,	,	,
12787	115	18	than	than	IN
12787	115	19	by	by	IN
12787	115	20	the	the	DT
12787	115	21	addition	addition	NN
12787	115	22	of	of	IN
12787	115	23	large	large	JJ
12787	115	24	amounts	amount	NNS
12787	115	25	which	which	WDT
12787	115	26	unnecessarily	unnecessarily	RB
12787	115	27	increase	increase	VBP
12787	115	28	the	the	DT
12787	115	29	volume	volume	NN
12787	115	30	of	of	IN
12787	115	31	the	the	DT
12787	115	32	solutions	solution	NNS
12787	115	33	,	,	,
12787	115	34	causing	cause	VBG
12787	115	35	loss	loss	NN
12787	115	36	of	of	IN
12787	115	37	time	time	NN
12787	115	38	in	in	IN
12787	115	39	subsequent	subsequent	JJ
12787	115	40	filtrations	filtration	NNS
12787	115	41	or	or	CC
12787	115	42	evaporations	evaporation	NNS
12787	115	43	.	.	.
12787	116	1	All	all	DT
12787	116	2	stirring	stir	VBG
12787	116	3	rods	rod	NNS
12787	116	4	employed	employ	VBN
12787	116	5	in	in	IN
12787	116	6	quantitative	quantitative	JJ
12787	116	7	analyses	analysis	NNS
12787	116	8	should	should	MD
12787	116	9	be	be	VB
12787	116	10	rounded	round	VBN
12787	116	11	at	at	IN
12787	116	12	the	the	DT
12787	116	13	ends	end	NNS
12787	116	14	by	by	IN
12787	116	15	holding	hold	VBG
12787	116	16	them	-PRON-	PRP
12787	116	17	in	in	IN
12787	116	18	the	the	DT
12787	116	19	flame	flame	NN
12787	116	20	of	of	IN
12787	116	21	a	a	DT
12787	116	22	burner	burner	NN
12787	116	23	until	until	IN
12787	116	24	they	-PRON-	PRP
12787	116	25	begin	begin	VBP
12787	116	26	to	to	TO
12787	116	27	soften	soften	VB
12787	116	28	.	.	.
12787	117	1	If	if	IN
12787	117	2	this	this	DT
12787	117	3	is	be	VBZ
12787	117	4	not	not	RB
12787	117	5	done	do	VBN
12787	117	6	,	,	,
12787	117	7	the	the	DT
12787	117	8	rods	rod	NNS
12787	117	9	will	will	MD
12787	117	10	scratch	scratch	VB
12787	117	11	the	the	DT
12787	117	12	inner	inner	JJ
12787	117	13	surface	surface	NN
12787	117	14	of	of	IN
12787	117	15	beakers	beaker	NNS
12787	117	16	,	,	,
12787	117	17	causing	cause	VBG
12787	117	18	them	-PRON-	PRP
12787	117	19	to	to	TO
12787	117	20	crack	crack	VB
12787	117	21	on	on	RP
12787	117	22	subsequent	subsequent	JJ
12787	117	23	heating	heating	NN
12787	117	24	.	.	.
12787	118	1	EVAPORATION	evaporation	NN
12787	118	2	OF	of	IN
12787	118	3	LIQUIDS	LIQUIDS	NNP
12787	118	4	The	the	DT
12787	118	5	greatest	great	JJS
12787	118	6	care	care	NN
12787	118	7	must	must	MD
12787	118	8	be	be	VB
12787	118	9	taken	take	VBN
12787	118	10	to	to	TO
12787	118	11	prevent	prevent	VB
12787	118	12	loss	loss	NN
12787	118	13	of	of	IN
12787	118	14	solutions	solution	NNS
12787	118	15	during	during	IN
12787	118	16	processes	process	NNS
12787	118	17	of	of	IN
12787	118	18	evaporation	evaporation	NN
12787	118	19	,	,	,
12787	118	20	either	either	CC
12787	118	21	from	from	IN
12787	118	22	too	too	RB
12787	118	23	violent	violent	JJ
12787	118	24	ebullition	ebullition	NN
12787	118	25	,	,	,
12787	118	26	from	from	IN
12787	118	27	evaporation	evaporation	NN
12787	118	28	to	to	IN
12787	118	29	dryness	dryness	NN
12787	118	30	and	and	CC
12787	118	31	spattering	spatter	VBG
12787	118	32	,	,	,
12787	118	33	or	or	CC
12787	118	34	from	from	IN
12787	118	35	the	the	DT
12787	118	36	evolution	evolution	NN
12787	118	37	of	of	IN
12787	118	38	gas	gas	NN
12787	118	39	during	during	IN
12787	118	40	the	the	DT
12787	118	41	heating	heating	NN
12787	118	42	.	.	.
12787	119	1	In	in	IN
12787	119	2	general	general	JJ
12787	119	3	,	,	,
12787	119	4	evaporation	evaporation	NN
12787	119	5	upon	upon	IN
12787	119	6	the	the	DT
12787	119	7	steam	steam	NN
12787	119	8	bath	bath	NN
12787	119	9	is	be	VBZ
12787	119	10	to	to	TO
12787	119	11	be	be	VB
12787	119	12	preferred	prefer	VBN
12787	119	13	to	to	IN
12787	119	14	other	other	JJ
12787	119	15	methods	method	NNS
12787	119	16	on	on	IN
12787	119	17	account	account	NN
12787	119	18	of	of	IN
12787	119	19	the	the	DT
12787	119	20	impossibility	impossibility	NN
12787	119	21	of	of	IN
12787	119	22	loss	loss	NN
12787	119	23	by	by	IN
12787	119	24	spattering	spatter	VBG
12787	119	25	.	.	.
12787	120	1	If	if	IN
12787	120	2	the	the	DT
12787	120	3	steam	steam	NN
12787	120	4	baths	bath	NNS
12787	120	5	are	be	VBP
12787	120	6	well	well	RB
12787	120	7	protected	protect	VBN
12787	120	8	from	from	IN
12787	120	9	dust	dust	NN
12787	120	10	,	,	,
12787	120	11	solutions	solution	NNS
12787	120	12	should	should	MD
12787	120	13	be	be	VB
12787	120	14	left	leave	VBN
12787	120	15	without	without	IN
12787	120	16	covers	cover	NNS
12787	120	17	during	during	IN
12787	120	18	evaporation	evaporation	NN
12787	120	19	;	;	:
12787	120	20	but	but	CC
12787	120	21	solutions	solution	NNS
12787	120	22	which	which	WDT
12787	120	23	are	be	VBP
12787	120	24	boiled	boil	VBN
12787	120	25	upon	upon	IN
12787	120	26	the	the	DT
12787	120	27	hot	hot	JJ
12787	120	28	plate	plate	NN
12787	120	29	,	,	,
12787	120	30	or	or	CC
12787	120	31	from	from	IN
12787	120	32	which	which	WDT
12787	120	33	gases	gas	NNS
12787	120	34	are	be	VBP
12787	120	35	escaping	escape	VBG
12787	120	36	,	,	,
12787	120	37	should	should	MD
12787	120	38	invariably	invariably	RB
12787	120	39	be	be	VB
12787	120	40	covered	cover	VBN
12787	120	41	.	.	.
12787	121	1	In	in	IN
12787	121	2	any	any	DT
12787	121	3	case	case	NN
12787	121	4	a	a	DT
12787	121	5	watch	watch	NN
12787	121	6	-	-	HYPH
12787	121	7	glass	glass	NN
12787	121	8	may	may	MD
12787	121	9	be	be	VB
12787	121	10	supported	support	VBN
12787	121	11	above	above	IN
12787	121	12	the	the	DT
12787	121	13	vessel	vessel	NN
12787	121	14	by	by	IN
12787	121	15	means	mean	NNS
12787	121	16	of	of	IN
12787	121	17	a	a	DT
12787	121	18	glass	glass	NN
12787	121	19	triangle	triangle	NN
12787	121	20	,	,	,
12787	121	21	or	or	CC
12787	121	22	other	other	JJ
12787	121	23	similar	similar	JJ
12787	121	24	device	device	NN
12787	121	25	,	,	,
12787	121	26	and	and	CC
12787	121	27	the	the	DT
12787	121	28	danger	danger	NN
12787	121	29	of	of	IN
12787	121	30	loss	loss	NN
12787	121	31	of	of	IN
12787	121	32	material	material	NN
12787	121	33	or	or	CC
12787	121	34	contamination	contamination	NN
12787	121	35	by	by	IN
12787	121	36	dust	dust	NN
12787	121	37	thus	thus	RB
12787	121	38	be	be	VB
12787	121	39	avoided	avoid	VBN
12787	121	40	.	.	.
12787	122	1	It	-PRON-	PRP
12787	122	2	is	be	VBZ
12787	122	3	obvious	obvious	JJ
12787	122	4	that	that	DT
12787	122	5	evaporation	evaporation	NN
12787	122	6	is	be	VBZ
12787	122	7	promoted	promote	VBN
12787	122	8	by	by	IN
12787	122	9	the	the	DT
12787	122	10	use	use	NN
12787	122	11	of	of	IN
12787	122	12	vessels	vessel	NNS
12787	122	13	which	which	WDT
12787	122	14	admit	admit	VBP
12787	122	15	of	of	IN
12787	122	16	the	the	DT
12787	122	17	exposure	exposure	NN
12787	122	18	of	of	IN
12787	122	19	a	a	DT
12787	122	20	broad	broad	JJ
12787	122	21	surface	surface	NN
12787	122	22	to	to	IN
12787	122	23	the	the	DT
12787	122	24	air	air	NN
12787	122	25	.	.	.
12787	123	1	Liquids	liquid	NNS
12787	123	2	which	which	WDT
12787	123	3	contain	contain	VBP
12787	123	4	suspended	suspend	VBN
12787	123	5	matter	matter	NN
12787	123	6	(	(	-LRB-
12787	123	7	precipitates	precipitate	NNS
12787	123	8	)	)	-RRB-
12787	123	9	should	should	MD
12787	123	10	always	always	RB
12787	123	11	be	be	VB
12787	123	12	cautiously	cautiously	RB
12787	123	13	heated	heat	VBN
12787	123	14	,	,	,
12787	123	15	since	since	IN
12787	123	16	the	the	DT
12787	123	17	presence	presence	NN
12787	123	18	of	of	IN
12787	123	19	the	the	DT
12787	123	20	solid	solid	JJ
12787	123	21	matter	matter	NN
12787	123	22	is	be	VBZ
12787	123	23	frequently	frequently	RB
12787	123	24	the	the	DT
12787	123	25	occasion	occasion	NN
12787	123	26	of	of	IN
12787	123	27	violent	violent	JJ
12787	123	28	"	"	``
12787	123	29	bumping	bumping	JJ
12787	123	30	,	,	,
12787	123	31	"	"	''
12787	123	32	with	with	IN
12787	123	33	consequent	consequent	JJ
12787	123	34	risk	risk	NN
12787	123	35	to	to	TO
12787	123	36	apparatus	apparatus	NN
12787	123	37	and	and	CC
12787	123	38	analysis	analysis	NN
12787	123	39	.	.	.
12787	124	1	PART	PART	NNP
12787	124	2	II	ii	CD
12787	124	3	VOLUMETRIC	volumetric	NN
12787	124	4	ANALYSIS	ANALYSIS	NNP
12787	124	5	The	the	DT
12787	124	6	processes	process	NNS
12787	124	7	of	of	IN
12787	124	8	volumetric	volumetric	NN
12787	124	9	analysis	analysis	NN
12787	124	10	are	be	VBP
12787	124	11	,	,	,
12787	124	12	in	in	IN
12787	124	13	general	general	JJ
12787	124	14	,	,	,
12787	124	15	simpler	simple	JJR
12787	124	16	than	than	IN
12787	124	17	those	those	DT
12787	124	18	of	of	IN
12787	124	19	gravimetric	gravimetric	JJ
12787	124	20	analysis	analysis	NN
12787	124	21	and	and	CC
12787	124	22	accordingly	accordingly	RB
12787	124	23	serve	serve	VB
12787	124	24	best	good	JJS
12787	124	25	as	as	IN
12787	124	26	an	an	DT
12787	124	27	introduction	introduction	NN
12787	124	28	to	to	IN
12787	124	29	the	the	DT
12787	124	30	practice	practice	NN
12787	124	31	of	of	IN
12787	124	32	quantitative	quantitative	JJ
12787	124	33	analysis	analysis	NN
12787	124	34	.	.	.
12787	125	1	For	for	IN
12787	125	2	their	-PRON-	PRP$
12787	125	3	execution	execution	NN
12787	125	4	there	there	EX
12787	125	5	are	be	VBP
12787	125	6	required	require	VBN
12787	125	7	,	,	,
12787	125	8	first	first	RB
12787	125	9	,	,	,
12787	125	10	an	an	DT
12787	125	11	accurate	accurate	JJ
12787	125	12	balance	balance	NN
12787	125	13	with	with	IN
12787	125	14	which	which	WDT
12787	125	15	to	to	TO
12787	125	16	weigh	weigh	VB
12787	125	17	the	the	DT
12787	125	18	material	material	NN
12787	125	19	for	for	IN
12787	125	20	analysis	analysis	NN
12787	125	21	;	;	:
12787	125	22	second	second	RB
12787	125	23	,	,	,
12787	125	24	graduated	graduated	JJ
12787	125	25	instruments	instrument	NNS
12787	125	26	in	in	IN
12787	125	27	which	which	WDT
12787	125	28	to	to	TO
12787	125	29	measure	measure	VB
12787	125	30	the	the	DT
12787	125	31	volume	volume	NN
12787	125	32	of	of	IN
12787	125	33	the	the	DT
12787	125	34	solutions	solution	NNS
12787	125	35	employed	employ	VBN
12787	125	36	;	;	:
12787	125	37	third	third	JJ
12787	125	38	,	,	,
12787	125	39	standard	standard	JJ
12787	125	40	solutions	solution	NNS
12787	125	41	,	,	,
12787	125	42	that	that	RB
12787	125	43	is	is	RB
12787	125	44	,	,	,
12787	125	45	solutions	solution	VBZ
12787	125	46	the	the	DT
12787	125	47	value	value	NN
12787	125	48	of	of	IN
12787	125	49	which	which	WDT
12787	125	50	is	be	VBZ
12787	125	51	accurately	accurately	RB
12787	125	52	known	know	VBN
12787	125	53	;	;	:
12787	125	54	and	and	CC
12787	125	55	fourth	fourth	JJ
12787	125	56	,	,	,
12787	125	57	indicators	indicator	NNS
12787	125	58	,	,	,
12787	125	59	which	which	WDT
12787	125	60	will	will	MD
12787	125	61	furnish	furnish	VB
12787	125	62	accurate	accurate	JJ
12787	125	63	evidence	evidence	NN
12787	125	64	of	of	IN
12787	125	65	the	the	DT
12787	125	66	point	point	NN
12787	125	67	at	at	IN
12787	125	68	which	which	WDT
12787	125	69	the	the	DT
12787	125	70	desired	desire	VBN
12787	125	71	reaction	reaction	NN
12787	125	72	is	be	VBZ
12787	125	73	completed	complete	VBN
12787	125	74	.	.	.
12787	126	1	The	the	DT
12787	126	2	nature	nature	NN
12787	126	3	of	of	IN
12787	126	4	the	the	DT
12787	126	5	indicators	indicator	NNS
12787	126	6	employed	employ	VBN
12787	126	7	will	will	MD
12787	126	8	be	be	VB
12787	126	9	explained	explain	VBN
12787	126	10	in	in	IN
12787	126	11	connection	connection	NN
12787	126	12	with	with	IN
12787	126	13	the	the	DT
12787	126	14	different	different	JJ
12787	126	15	analyses	analysis	NNS
12787	126	16	.	.	.
12787	127	1	The	the	DT
12787	127	2	process	process	NN
12787	127	3	whereby	whereby	WRB
12787	127	4	a	a	DT
12787	127	5	!	!	.
12787	127	6	standard	standard	JJ
12787	127	7	solution	solution	NN
12787	127	8	!	!	.
12787	128	1	is	be	VBZ
12787	128	2	brought	bring	VBN
12787	128	3	into	into	IN
12787	128	4	reaction	reaction	NN
12787	128	5	is	be	VBZ
12787	128	6	called	call	VBN
12787	128	7	!	!	.
12787	128	8	titration	titration	NN
12787	128	9	!	!	.
12787	128	10	,	,	,
12787	128	11	and	and	CC
12787	128	12	the	the	DT
12787	128	13	point	point	NN
12787	128	14	at	at	IN
12787	128	15	which	which	WDT
12787	128	16	the	the	DT
12787	128	17	reaction	reaction	NN
12787	128	18	is	be	VBZ
12787	128	19	exactly	exactly	RB
12787	128	20	completed	complete	VBN
12787	128	21	is	be	VBZ
12787	128	22	called	call	VBN
12787	128	23	the	the	DT
12787	128	24	!	!	.
12787	128	25	end	end	NN
12787	128	26	-	-	HYPH
12787	128	27	point	point	NN
12787	128	28	!	!	.
12787	128	29	.	.	.
12787	129	1	The	the	DT
12787	129	2	!	!	.
12787	129	3	indicator	indicator	NN
12787	129	4	!	!	.
12787	130	1	should	should	MD
12787	130	2	show	show	VB
12787	130	3	the	the	DT
12787	130	4	!	!	.
12787	130	5	end	end	NN
12787	130	6	-	-	HYPH
12787	130	7	point	point	NN
12787	130	8	!	!	.
12787	131	1	of	of	IN
12787	131	2	the	the	DT
12787	131	3	!	!	.
12787	131	4	titration	titration	NN
12787	131	5	!	!	.
12787	131	6	.	.	.
12787	132	1	The	the	DT
12787	132	2	volume	volume	NN
12787	132	3	of	of	IN
12787	132	4	the	the	DT
12787	132	5	standard	standard	JJ
12787	132	6	solution	solution	NN
12787	132	7	used	use	VBN
12787	132	8	then	then	RB
12787	132	9	furnishes	furnish	VBZ
12787	132	10	the	the	DT
12787	132	11	measure	measure	NN
12787	132	12	of	of	IN
12787	132	13	the	the	DT
12787	132	14	substance	substance	NN
12787	132	15	to	to	TO
12787	132	16	be	be	VB
12787	132	17	determined	determine	VBN
12787	132	18	as	as	RB
12787	132	19	truly	truly	RB
12787	132	20	as	as	IN
12787	132	21	if	if	IN
12787	132	22	that	that	DT
12787	132	23	substance	substance	NN
12787	132	24	had	have	VBD
12787	132	25	been	be	VBN
12787	132	26	separated	separate	VBN
12787	132	27	and	and	CC
12787	132	28	weighed	weigh	VBN
12787	132	29	.	.	.
12787	133	1	The	the	DT
12787	133	2	processes	process	NNS
12787	133	3	of	of	IN
12787	133	4	volumetric	volumetric	NN
12787	133	5	analysis	analysis	NN
12787	133	6	are	be	VBP
12787	133	7	easily	easily	RB
12787	133	8	classified	classify	VBN
12787	133	9	,	,	,
12787	133	10	according	accord	VBG
12787	133	11	to	to	IN
12787	133	12	their	-PRON-	PRP$
12787	133	13	character	character	NN
12787	133	14	,	,	,
12787	133	15	into	into	IN
12787	133	16	:	:	:
12787	133	17	I.	I.	NNP
12787	133	18	NEUTRALIZATION	NEUTRALIZATION	NNP
12787	133	19	METHODS	METHODS	NNP
12787	133	20	;	;	:
12787	133	21	such	such	JJ
12787	133	22	,	,	,
12787	133	23	for	for	IN
12787	133	24	example	example	NN
12787	133	25	,	,	,
12787	133	26	as	as	IN
12787	133	27	those	those	DT
12787	133	28	of	of	IN
12787	133	29	acidimetry	acidimetry	NN
12787	133	30	and	and	CC
12787	133	31	alkalimetry	alkalimetry	NN
12787	133	32	.	.	.
12787	134	1	II	ii	CD
12787	134	2	.	.	.
12787	135	1	OXIDATION	oxidation	NN
12787	135	2	PROCESSES	process	NNS
12787	135	3	;	;	:
12787	135	4	as	as	IN
12787	135	5	exemplified	exemplify	VBN
12787	135	6	in	in	IN
12787	135	7	the	the	DT
12787	135	8	determination	determination	NN
12787	135	9	of	of	IN
12787	135	10	ferrous	ferrous	JJ
12787	135	11	iron	iron	NN
12787	135	12	by	by	IN
12787	135	13	its	-PRON-	PRP$
12787	135	14	oxidation	oxidation	NN
12787	135	15	with	with	IN
12787	135	16	potassium	potassium	NN
12787	135	17	bichromate	bichromate	NN
12787	135	18	.	.	.
12787	136	1	III	iii	CD
12787	136	2	.	.	.
12787	137	1	PRECIPITATION	precipitation	NN
12787	137	2	METHODS	methods	JJ
12787	137	3	;	;	:
12787	137	4	of	of	IN
12787	137	5	which	which	WDT
12787	137	6	the	the	DT
12787	137	7	titration	titration	NN
12787	137	8	for	for	IN
12787	137	9	silver	silver	NN
12787	137	10	with	with	IN
12787	137	11	potassium	potassium	NN
12787	137	12	thiocyanate	thiocyanate	NN
12787	137	13	solution	solution	NN
12787	137	14	is	be	VBZ
12787	137	15	an	an	DT
12787	137	16	illustration	illustration	NN
12787	137	17	.	.	.
12787	138	1	From	from	IN
12787	138	2	a	a	DT
12787	138	3	somewhat	somewhat	RB
12787	138	4	different	different	JJ
12787	138	5	standpoint	standpoint	NN
12787	138	6	the	the	DT
12787	138	7	methods	method	NNS
12787	138	8	in	in	IN
12787	138	9	each	each	DT
12787	138	10	case	case	NN
12787	138	11	may	may	MD
12787	138	12	be	be	VB
12787	138	13	subdivided	subdivide	VBN
12787	138	14	into	into	IN
12787	138	15	(	(	-LRB-
12787	138	16	a	a	DT
12787	138	17	)	)	-RRB-
12787	138	18	DIRECT	direct	JJ
12787	138	19	METHODS	methods	NN
12787	138	20	,	,	,
12787	138	21	in	in	IN
12787	138	22	which	which	WDT
12787	138	23	the	the	DT
12787	138	24	substance	substance	NN
12787	138	25	to	to	TO
12787	138	26	be	be	VB
12787	138	27	measured	measure	VBN
12787	138	28	is	be	VBZ
12787	138	29	directly	directly	RB
12787	138	30	determined	determine	VBN
12787	138	31	by	by	IN
12787	138	32	titration	titration	NN
12787	138	33	to	to	IN
12787	138	34	an	an	DT
12787	138	35	end	end	NN
12787	138	36	-	-	HYPH
12787	138	37	point	point	NN
12787	138	38	with	with	IN
12787	138	39	a	a	DT
12787	138	40	standard	standard	JJ
12787	138	41	solution	solution	NN
12787	138	42	;	;	:
12787	138	43	and	and	CC
12787	138	44	(	(	-LRB-
12787	138	45	b	b	LS
12787	138	46	)	)	-RRB-
12787	138	47	INDIRECT	INDIRECT	NNP
12787	138	48	METHODS	METHODS	NNP
12787	138	49	,	,	,
12787	138	50	in	in	IN
12787	138	51	which	which	WDT
12787	138	52	the	the	DT
12787	138	53	substance	substance	NN
12787	138	54	itself	-PRON-	PRP
12787	138	55	is	be	VBZ
12787	138	56	not	not	RB
12787	138	57	measured	measure	VBN
12787	138	58	,	,	,
12787	138	59	but	but	CC
12787	138	60	a	a	DT
12787	138	61	quantity	quantity	NN
12787	138	62	of	of	IN
12787	138	63	reagent	reagent	NN
12787	138	64	is	be	VBZ
12787	138	65	added	add	VBN
12787	138	66	which	which	WDT
12787	138	67	is	be	VBZ
12787	138	68	known	know	VBN
12787	138	69	to	to	TO
12787	138	70	be	be	VB
12787	138	71	an	an	DT
12787	138	72	excess	excess	NN
12787	138	73	with	with	IN
12787	138	74	respect	respect	NN
12787	138	75	to	to	IN
12787	138	76	a	a	DT
12787	138	77	specific	specific	JJ
12787	138	78	reaction	reaction	NN
12787	138	79	,	,	,
12787	138	80	and	and	CC
12787	138	81	the	the	DT
12787	138	82	unused	unused	JJ
12787	138	83	excess	excess	NN
12787	138	84	determined	determine	VBN
12787	138	85	by	by	IN
12787	138	86	titration	titration	NN
12787	138	87	.	.	.
12787	139	1	Examples	example	NNS
12787	139	2	of	of	IN
12787	139	3	the	the	DT
12787	139	4	latter	latter	JJ
12787	139	5	class	class	NN
12787	139	6	will	will	MD
12787	139	7	be	be	VB
12787	139	8	pointed	point	VBN
12787	139	9	out	out	RP
12787	139	10	as	as	IN
12787	139	11	they	-PRON-	PRP
12787	139	12	occur	occur	VBP
12787	139	13	in	in	IN
12787	139	14	the	the	DT
12787	139	15	procedures	procedure	NNS
12787	139	16	.	.	.
12787	140	1	MEASURING	MEASURING	NNP
12787	140	2	INSTRUMENTS	INSTRUMENTS	NNP
12787	140	3	THE	the	DT
12787	140	4	ANALYTICAL	ANALYTICAL	NNP
12787	140	5	BALANCE	balance	NN
12787	140	6	For	for	IN
12787	140	7	a	a	DT
12787	140	8	complete	complete	JJ
12787	140	9	discussion	discussion	NN
12787	140	10	of	of	IN
12787	140	11	the	the	DT
12787	140	12	physical	physical	JJ
12787	140	13	principles	principle	NNS
12787	140	14	underlying	underlie	VBG
12787	140	15	the	the	DT
12787	140	16	construction	construction	NN
12787	140	17	and	and	CC
12787	140	18	use	use	NN
12787	140	19	of	of	IN
12787	140	20	balances	balance	NNS
12787	140	21	,	,	,
12787	140	22	and	and	CC
12787	140	23	the	the	DT
12787	140	24	various	various	JJ
12787	140	25	methods	method	NNS
12787	140	26	of	of	IN
12787	140	27	weighing	weighing	NN
12787	140	28	,	,	,
12787	140	29	the	the	DT
12787	140	30	student	student	NN
12787	140	31	is	be	VBZ
12787	140	32	referred	refer	VBN
12787	140	33	to	to	IN
12787	140	34	larger	large	JJR
12787	140	35	manuals	manual	NNS
12787	140	36	of	of	IN
12787	140	37	Quantitative	Quantitative	NNP
12787	140	38	Analysis	Analysis	NNP
12787	140	39	,	,	,
12787	140	40	such	such	JJ
12787	140	41	as	as	IN
12787	140	42	those	those	DT
12787	140	43	of	of	IN
12787	140	44	Fresenius	Fresenius	NNP
12787	140	45	,	,	,
12787	140	46	or	or	CC
12787	140	47	Treadwell	Treadwell	NNP
12787	140	48	-	-	HYPH
12787	140	49	Hall	Hall	NNP
12787	140	50	,	,	,
12787	140	51	and	and	CC
12787	140	52	particularly	particularly	RB
12787	140	53	to	to	IN
12787	140	54	the	the	DT
12787	140	55	admirable	admirable	JJ
12787	140	56	discussion	discussion	NN
12787	140	57	of	of	IN
12787	140	58	this	this	DT
12787	140	59	topic	topic	NN
12787	140	60	in	in	IN
12787	140	61	Morse	Morse	NNP
12787	140	62	's	's	POS
12787	140	63	!	!	.
12787	140	64	Exercises	exercise	NNS
12787	140	65	in	in	IN
12787	140	66	Quantitative	Quantitative	NNP
12787	140	67	Chemistry	Chemistry	NNP
12787	140	68	!	!	.
12787	140	69	.	.	.
12787	141	1	The	the	DT
12787	141	2	statements	statement	NNS
12787	141	3	and	and	CC
12787	141	4	rules	rule	NNS
12787	141	5	of	of	IN
12787	141	6	procedure	procedure	NN
12787	141	7	which	which	WDT
12787	141	8	follow	follow	VBP
12787	141	9	are	be	VBP
12787	141	10	sufficient	sufficient	JJ
12787	141	11	for	for	IN
12787	141	12	the	the	DT
12787	141	13	intelligent	intelligent	JJ
12787	141	14	use	use	NN
12787	141	15	of	of	IN
12787	141	16	an	an	DT
12787	141	17	analytical	analytical	JJ
12787	141	18	balance	balance	NN
12787	141	19	in	in	IN
12787	141	20	connection	connection	NN
12787	141	21	with	with	IN
12787	141	22	processes	process	NNS
12787	141	23	prescribed	prescribe	VBN
12787	141	24	in	in	IN
12787	141	25	this	this	DT
12787	141	26	introductory	introductory	JJ
12787	141	27	manual	manual	NN
12787	141	28	.	.	.
12787	142	1	It	-PRON-	PRP
12787	142	2	is	be	VBZ
12787	142	3	,	,	,
12787	142	4	however	however	RB
12787	142	5	,	,	,
12787	142	6	imperative	imperative	JJ
12787	142	7	that	that	IN
12787	142	8	the	the	DT
12787	142	9	student	student	NN
12787	142	10	should	should	MD
12787	142	11	make	make	VB
12787	142	12	himself	-PRON-	PRP
12787	142	13	familiar	familiar	JJ
12787	142	14	with	with	IN
12787	142	15	these	these	DT
12787	142	16	essential	essential	JJ
12787	142	17	features	feature	NNS
12787	142	18	of	of	IN
12787	142	19	the	the	DT
12787	142	20	balance	balance	NN
12787	142	21	,	,	,
12787	142	22	and	and	CC
12787	142	23	its	-PRON-	PRP$
12787	142	24	use	use	NN
12787	142	25	.	.	.
12787	143	1	He	-PRON-	PRP
12787	143	2	should	should	MD
12787	143	3	fully	fully	RB
12787	143	4	realize	realize	VB
12787	143	5	that	that	IN
12787	143	6	the	the	DT
12787	143	7	analytical	analytical	JJ
12787	143	8	balance	balance	NN
12787	143	9	is	be	VBZ
12787	143	10	a	a	DT
12787	143	11	delicate	delicate	JJ
12787	143	12	instrument	instrument	NN
12787	143	13	which	which	WDT
12787	143	14	will	will	MD
12787	143	15	render	render	VB
12787	143	16	excellent	excellent	JJ
12787	143	17	service	service	NN
12787	143	18	under	under	IN
12787	143	19	careful	careful	JJ
12787	143	20	treatment	treatment	NN
12787	143	21	,	,	,
12787	143	22	but	but	CC
12787	143	23	such	such	JJ
12787	143	24	treatment	treatment	NN
12787	143	25	is	be	VBZ
12787	143	26	an	an	DT
12787	143	27	essential	essential	JJ
12787	143	28	condition	condition	NN
12787	143	29	if	if	IN
12787	143	30	its	-PRON-	PRP$
12787	143	31	accuracy	accuracy	NN
12787	143	32	is	be	VBZ
12787	143	33	to	to	TO
12787	143	34	be	be	VB
12787	143	35	depended	depend	VBN
12787	143	36	upon	upon	IN
12787	143	37	.	.	.
12787	144	1	He	-PRON-	PRP
12787	144	2	should	should	MD
12787	144	3	also	also	RB
12787	144	4	understand	understand	VB
12787	144	5	that	that	IN
12787	144	6	no	no	DT
12787	144	7	set	set	NN
12787	144	8	of	of	IN
12787	144	9	rules	rule	NNS
12787	144	10	,	,	,
12787	144	11	however	however	RB
12787	144	12	complete	complete	JJ
12787	144	13	,	,	,
12787	144	14	can	can	MD
12787	144	15	do	do	VB
12787	144	16	away	away	RB
12787	144	17	with	with	IN
12787	144	18	the	the	DT
12787	144	19	necessity	necessity	NN
12787	144	20	for	for	IN
12787	144	21	a	a	DT
12787	144	22	sense	sense	NN
12787	144	23	of	of	IN
12787	144	24	personal	personal	JJ
12787	144	25	responsibility	responsibility	NN
12787	144	26	,	,	,
12787	144	27	since	since	IN
12787	144	28	by	by	IN
12787	144	29	carelessness	carelessness	NN
12787	144	30	he	-PRON-	PRP
12787	144	31	can	can	MD
12787	144	32	render	render	VB
12787	144	33	inaccurate	inaccurate	JJ
12787	144	34	not	not	RB
12787	144	35	only	only	RB
12787	144	36	his	-PRON-	PRP$
12787	144	37	own	own	JJ
12787	144	38	analyses	analysis	NNS
12787	144	39	,	,	,
12787	144	40	but	but	CC
12787	144	41	those	those	DT
12787	144	42	of	of	IN
12787	144	43	all	all	DT
12787	144	44	other	other	JJ
12787	144	45	students	student	NNS
12787	144	46	using	use	VBG
12787	144	47	the	the	DT
12787	144	48	same	same	JJ
12787	144	49	balance	balance	NN
12787	144	50	.	.	.
12787	145	1	Before	before	IN
12787	145	2	making	make	VBG
12787	145	3	any	any	DT
12787	145	4	weighings	weighing	NNS
12787	145	5	the	the	DT
12787	145	6	student	student	NN
12787	145	7	should	should	MD
12787	145	8	seat	seat	VB
12787	145	9	himself	-PRON-	PRP
12787	145	10	before	before	IN
12787	145	11	a	a	DT
12787	145	12	balance	balance	NN
12787	145	13	and	and	CC
12787	145	14	observe	observe	VB
12787	145	15	the	the	DT
12787	145	16	following	follow	VBG
12787	145	17	details	detail	NNS
12787	145	18	of	of	IN
12787	145	19	construction	construction	NN
12787	145	20	:	:	:
12787	145	21	1	1	LS
12787	145	22	.	.	.
12787	146	1	The	the	DT
12787	146	2	balance	balance	NN
12787	146	3	case	case	NN
12787	146	4	is	be	VBZ
12787	146	5	mounted	mount	VBN
12787	146	6	on	on	IN
12787	146	7	three	three	CD
12787	146	8	brass	brass	NN
12787	146	9	legs	leg	NNS
12787	146	10	,	,	,
12787	146	11	which	which	WDT
12787	146	12	should	should	MD
12787	146	13	preferably	preferably	RB
12787	146	14	rest	rest	VB
12787	146	15	in	in	IN
12787	146	16	glass	glass	NN
12787	146	17	cups	cup	NNS
12787	146	18	,	,	,
12787	146	19	backed	back	VBD
12787	146	20	with	with	IN
12787	146	21	rubber	rubber	NN
12787	146	22	to	to	TO
12787	146	23	prevent	prevent	VB
12787	146	24	slipping	slipping	NN
12787	146	25	.	.	.
12787	147	1	The	the	DT
12787	147	2	front	front	JJ
12787	147	3	legs	leg	NNS
12787	147	4	are	be	VBP
12787	147	5	adjustable	adjustable	JJ
12787	147	6	as	as	IN
12787	147	7	to	to	IN
12787	147	8	height	height	NN
12787	147	9	and	and	CC
12787	147	10	are	be	VBP
12787	147	11	used	use	VBN
12787	147	12	to	to	TO
12787	147	13	level	level	VB
12787	147	14	the	the	DT
12787	147	15	balance	balance	NN
12787	147	16	case	case	NN
12787	147	17	;	;	:
12787	147	18	the	the	DT
12787	147	19	rear	rear	JJ
12787	147	20	leg	leg	NN
12787	147	21	is	be	VBZ
12787	147	22	of	of	IN
12787	147	23	permanent	permanent	JJ
12787	147	24	length	length	NN
12787	147	25	.	.	.
12787	148	1	2	2	LS
12787	148	2	.	.	.
12787	149	1	The	the	DT
12787	149	2	front	front	NN
12787	149	3	of	of	IN
12787	149	4	the	the	DT
12787	149	5	case	case	NN
12787	149	6	may	may	MD
12787	149	7	be	be	VB
12787	149	8	raised	raise	VBN
12787	149	9	to	to	TO
12787	149	10	give	give	VB
12787	149	11	access	access	NN
12787	149	12	to	to	IN
12787	149	13	the	the	DT
12787	149	14	balance	balance	NN
12787	149	15	.	.	.
12787	150	1	In	in	IN
12787	150	2	some	some	DT
12787	150	3	makes	make	VBZ
12787	150	4	doors	door	NNS
12787	150	5	are	be	VBP
12787	150	6	provided	provide	VBN
12787	150	7	also	also	RB
12787	150	8	at	at	IN
12787	150	9	the	the	DT
12787	150	10	ends	end	NNS
12787	150	11	of	of	IN
12787	150	12	the	the	DT
12787	150	13	balance	balance	NN
12787	150	14	case	case	NN
12787	150	15	.	.	.
12787	151	1	3	3	LS
12787	151	2	.	.	.
12787	152	1	The	the	DT
12787	152	2	balance	balance	NN
12787	152	3	beam	beam	NN
12787	152	4	is	be	VBZ
12787	152	5	mounted	mount	VBN
12787	152	6	upon	upon	IN
12787	152	7	an	an	DT
12787	152	8	upright	upright	JJ
12787	152	9	in	in	IN
12787	152	10	the	the	DT
12787	152	11	center	center	NN
12787	152	12	of	of	IN
12787	152	13	the	the	DT
12787	152	14	case	case	NN
12787	152	15	on	on	IN
12787	152	16	the	the	DT
12787	152	17	top	top	NN
12787	152	18	of	of	IN
12787	152	19	which	which	WDT
12787	152	20	is	be	VBZ
12787	152	21	an	an	DT
12787	152	22	inlaid	inlaid	JJ
12787	152	23	agate	agate	NN
12787	152	24	plate	plate	NN
12787	152	25	.	.	.
12787	153	1	To	to	IN
12787	153	2	the	the	DT
12787	153	3	center	center	NN
12787	153	4	of	of	IN
12787	153	5	the	the	DT
12787	153	6	beam	beam	NN
12787	153	7	there	there	EX
12787	153	8	is	be	VBZ
12787	153	9	attached	attach	VBN
12787	153	10	a	a	DT
12787	153	11	steel	steel	NN
12787	153	12	or	or	CC
12787	153	13	agate	agate	VB
12787	153	14	knife	knife	NN
12787	153	15	-	-	HYPH
12787	153	16	edge	edge	NN
12787	153	17	on	on	IN
12787	153	18	which	which	WDT
12787	153	19	the	the	DT
12787	153	20	beam	beam	NN
12787	153	21	oscillates	oscillate	VBZ
12787	153	22	when	when	WRB
12787	153	23	it	-PRON-	PRP
12787	153	24	rests	rest	VBZ
12787	153	25	on	on	IN
12787	153	26	the	the	DT
12787	153	27	agate	agate	NN
12787	153	28	plate	plate	NN
12787	153	29	.	.	.
12787	154	1	4	4	LS
12787	154	2	.	.	.
12787	155	1	The	the	DT
12787	155	2	balance	balance	NN
12787	155	3	beam	beam	NN
12787	155	4	,	,	,
12787	155	5	extending	extend	VBG
12787	155	6	to	to	IN
12787	155	7	the	the	DT
12787	155	8	right	right	NN
12787	155	9	and	and	CC
12787	155	10	left	leave	VBD
12787	155	11	,	,	,
12787	155	12	is	be	VBZ
12787	155	13	graduated	graduate	VBN
12787	155	14	along	along	IN
12787	155	15	its	-PRON-	PRP$
12787	155	16	upper	upper	JJ
12787	155	17	edge	edge	NN
12787	155	18	,	,	,
12787	155	19	usually	usually	RB
12787	155	20	on	on	IN
12787	155	21	both	both	DT
12787	155	22	sides	side	NNS
12787	155	23	,	,	,
12787	155	24	and	and	CC
12787	155	25	has	have	VBZ
12787	155	26	at	at	IN
12787	155	27	its	-PRON-	PRP$
12787	155	28	extremities	extremity	NNS
12787	155	29	two	two	CD
12787	155	30	agate	agate	NN
12787	155	31	or	or	CC
12787	155	32	steel	steel	NN
12787	155	33	knife	knife	NN
12787	155	34	-	-	HYPH
12787	155	35	edges	edge	NNS
12787	155	36	from	from	IN
12787	155	37	which	which	WDT
12787	155	38	are	be	VBP
12787	155	39	suspended	suspend	VBN
12787	155	40	stirrups	stirrup	NNS
12787	155	41	.	.	.
12787	156	1	Each	each	DT
12787	156	2	of	of	IN
12787	156	3	these	these	DT
12787	156	4	stirrups	stirrup	NNS
12787	156	5	has	have	VBZ
12787	156	6	an	an	DT
12787	156	7	agate	agate	NN
12787	156	8	plate	plate	NN
12787	156	9	which	which	WDT
12787	156	10	,	,	,
12787	156	11	when	when	WRB
12787	156	12	the	the	DT
12787	156	13	balance	balance	NN
12787	156	14	is	be	VBZ
12787	156	15	in	in	IN
12787	156	16	action	action	NN
12787	156	17	,	,	,
12787	156	18	rests	rest	NNS
12787	156	19	upon	upon	IN
12787	156	20	the	the	DT
12787	156	21	corresponding	correspond	VBG
12787	156	22	knife	knife	NN
12787	156	23	-	-	HYPH
12787	156	24	edge	edge	NN
12787	156	25	of	of	IN
12787	156	26	the	the	DT
12787	156	27	beam	beam	NN
12787	156	28	.	.	.
12787	157	1	The	the	DT
12787	157	2	balance	balance	NN
12787	157	3	pans	pan	NNS
12787	157	4	are	be	VBP
12787	157	5	suspended	suspend	VBN
12787	157	6	from	from	IN
12787	157	7	the	the	DT
12787	157	8	stirrups	stirrup	NNS
12787	157	9	.	.	.
12787	158	1	5	5	CD
12787	158	2	.	.	.
12787	159	1	A	a	DT
12787	159	2	pointer	pointer	NN
12787	159	3	is	be	VBZ
12787	159	4	attached	attach	VBN
12787	159	5	to	to	IN
12787	159	6	the	the	DT
12787	159	7	center	center	NN
12787	159	8	of	of	IN
12787	159	9	the	the	DT
12787	159	10	beam	beam	NN
12787	159	11	,	,	,
12787	159	12	and	and	CC
12787	159	13	as	as	IN
12787	159	14	the	the	DT
12787	159	15	beam	beam	NN
12787	159	16	oscillates	oscillate	VBZ
12787	159	17	this	this	DT
12787	159	18	pointer	pointer	NN
12787	159	19	moves	move	NNS
12787	159	20	in	in	IN
12787	159	21	front	front	NN
12787	159	22	of	of	IN
12787	159	23	a	a	DT
12787	159	24	scale	scale	NN
12787	159	25	near	near	IN
12787	159	26	the	the	DT
12787	159	27	base	base	NN
12787	159	28	of	of	IN
12787	159	29	the	the	DT
12787	159	30	post	post	NN
12787	159	31	.	.	.
12787	160	1	6	6	CD
12787	160	2	.	.	.
12787	161	1	At	at	IN
12787	161	2	the	the	DT
12787	161	3	base	base	NN
12787	161	4	of	of	IN
12787	161	5	the	the	DT
12787	161	6	post	post	NN
12787	161	7	,	,	,
12787	161	8	usually	usually	RB
12787	161	9	in	in	IN
12787	161	10	the	the	DT
12787	161	11	rear	rear	NN
12787	161	12	,	,	,
12787	161	13	is	be	VBZ
12787	161	14	a	a	DT
12787	161	15	spirit	spirit	NN
12787	161	16	-	-	HYPH
12787	161	17	level	level	NN
12787	161	18	.	.	.
12787	162	1	7	7	LS
12787	162	2	.	.	.
12787	163	1	Within	within	IN
12787	163	2	the	the	DT
12787	163	3	upright	upright	JJ
12787	163	4	is	be	VBZ
12787	163	5	a	a	DT
12787	163	6	mechanism	mechanism	NN
12787	163	7	,	,	,
12787	163	8	controlled	control	VBN
12787	163	9	by	by	IN
12787	163	10	a	a	DT
12787	163	11	knob	knob	NN
12787	163	12	at	at	IN
12787	163	13	the	the	DT
12787	163	14	front	front	NN
12787	163	15	of	of	IN
12787	163	16	the	the	DT
12787	163	17	balance	balance	NN
12787	163	18	case	case	NN
12787	163	19	,	,	,
12787	163	20	which	which	WDT
12787	163	21	is	be	VBZ
12787	163	22	so	so	RB
12787	163	23	arranged	arrange	VBN
12787	163	24	as	as	IN
12787	163	25	to	to	TO
12787	163	26	raise	raise	VB
12787	163	27	the	the	DT
12787	163	28	entire	entire	JJ
12787	163	29	beam	beam	NN
12787	163	30	slightly	slightly	RB
12787	163	31	above	above	IN
12787	163	32	the	the	DT
12787	163	33	level	level	NN
12787	163	34	at	at	IN
12787	163	35	which	which	WDT
12787	163	36	the	the	DT
12787	163	37	knife	knife	NN
12787	163	38	-	-	HYPH
12787	163	39	edges	edge	NNS
12787	163	40	are	be	VBP
12787	163	41	in	in	IN
12787	163	42	contact	contact	NN
12787	163	43	with	with	IN
12787	163	44	the	the	DT
12787	163	45	agate	agate	NN
12787	163	46	plates	plate	NNS
12787	163	47	.	.	.
12787	164	1	When	when	WRB
12787	164	2	the	the	DT
12787	164	3	balance	balance	NN
12787	164	4	is	be	VBZ
12787	164	5	not	not	RB
12787	164	6	in	in	IN
12787	164	7	use	use	NN
12787	164	8	the	the	DT
12787	164	9	beam	beam	NN
12787	164	10	must	must	MD
12787	164	11	be	be	VB
12787	164	12	supported	support	VBN
12787	164	13	by	by	IN
12787	164	14	this	this	DT
12787	164	15	device	device	NN
12787	164	16	since	since	RB
12787	164	17	,	,	,
12787	164	18	otherwise	otherwise	RB
12787	164	19	,	,	,
12787	164	20	the	the	DT
12787	164	21	constant	constant	JJ
12787	164	22	jarring	jarring	NN
12787	164	23	to	to	TO
12787	164	24	which	which	WDT
12787	164	25	a	a	DT
12787	164	26	balance	balance	NN
12787	164	27	is	be	VBZ
12787	164	28	inevitably	inevitably	RB
12787	164	29	subjected	subject	VBN
12787	164	30	,	,	,
12787	164	31	will	will	MD
12787	164	32	soon	soon	RB
12787	164	33	dull	dull	VB
12787	164	34	the	the	DT
12787	164	35	knife	knife	NN
12787	164	36	-	-	HYPH
12787	164	37	edges	edge	NNS
12787	164	38	,	,	,
12787	164	39	and	and	CC
12787	164	40	lessen	lessen	VBD
12787	164	41	the	the	DT
12787	164	42	sensitiveness	sensitiveness	NN
12787	164	43	of	of	IN
12787	164	44	the	the	DT
12787	164	45	balance	balance	NN
12787	164	46	.	.	.
12787	165	1	8	8	LS
12787	165	2	.	.	.
12787	166	1	A	a	DT
12787	166	2	small	small	JJ
12787	166	3	weight	weight	NN
12787	166	4	,	,	,
12787	166	5	or	or	CC
12787	166	6	bob	bob	NNP
12787	166	7	,	,	,
12787	166	8	is	be	VBZ
12787	166	9	attached	attach	VBN
12787	166	10	to	to	IN
12787	166	11	the	the	DT
12787	166	12	pointer	pointer	NN
12787	166	13	(	(	-LRB-
12787	166	14	or	or	CC
12787	166	15	sometimes	sometimes	RB
12787	166	16	to	to	IN
12787	166	17	the	the	DT
12787	166	18	beam	beam	NN
12787	166	19	)	)	-RRB-
12787	166	20	by	by	IN
12787	166	21	which	which	WDT
12787	166	22	the	the	DT
12787	166	23	center	center	NN
12787	166	24	of	of	IN
12787	166	25	gravity	gravity	NN
12787	166	26	of	of	IN
12787	166	27	the	the	DT
12787	166	28	beam	beam	NN
12787	166	29	and	and	CC
12787	166	30	its	-PRON-	PRP$
12787	166	31	attachments	attachment	NNS
12787	166	32	may	may	MD
12787	166	33	be	be	VB
12787	166	34	regulated	regulate	VBN
12787	166	35	.	.	.
12787	167	1	The	the	DT
12787	167	2	center	center	NN
12787	167	3	of	of	IN
12787	167	4	gravity	gravity	NN
12787	167	5	must	must	MD
12787	167	6	lie	lie	VB
12787	167	7	very	very	RB
12787	167	8	slightly	slightly	RB
12787	167	9	below	below	IN
12787	167	10	the	the	DT
12787	167	11	level	level	NN
12787	167	12	of	of	IN
12787	167	13	the	the	DT
12787	167	14	agate	agate	NN
12787	167	15	plates	plate	NNS
12787	167	16	to	to	TO
12787	167	17	secure	secure	VB
12787	167	18	the	the	DT
12787	167	19	desired	desire	VBN
12787	167	20	sensitiveness	sensitiveness	NN
12787	167	21	of	of	IN
12787	167	22	the	the	DT
12787	167	23	balance	balance	NN
12787	167	24	.	.	.
12787	168	1	This	this	DT
12787	168	2	is	be	VBZ
12787	168	3	provided	provide	VBN
12787	168	4	for	for	IN
12787	168	5	when	when	WRB
12787	168	6	the	the	DT
12787	168	7	balance	balance	NN
12787	168	8	is	be	VBZ
12787	168	9	set	set	VBN
12787	168	10	up	up	RP
12787	168	11	and	and	CC
12787	168	12	very	very	RB
12787	168	13	rarely	rarely	RB
12787	168	14	requires	require	VBZ
12787	168	15	alteration	alteration	NN
12787	168	16	.	.	.
12787	169	1	The	the	DT
12787	169	2	student	student	NN
12787	169	3	should	should	MD
12787	169	4	never	never	RB
12787	169	5	attempt	attempt	VB
12787	169	6	to	to	TO
12787	169	7	change	change	VB
12787	169	8	this	this	DT
12787	169	9	adjustment	adjustment	NN
12787	169	10	.	.	.
12787	170	1	9	9	CD
12787	170	2	.	.	.
12787	171	1	Below	below	IN
12787	171	2	the	the	DT
12787	171	3	balance	balance	NN
12787	171	4	pans	pan	NNS
12787	171	5	are	be	VBP
12787	171	6	two	two	CD
12787	171	7	pan	pan	NN
12787	171	8	-	-	NNS
12787	171	9	arrests	arrest	NNS
12787	171	10	operated	operate	VBN
12787	171	11	by	by	IN
12787	171	12	a	a	DT
12787	171	13	button	button	NN
12787	171	14	from	from	IN
12787	171	15	the	the	DT
12787	171	16	front	front	NN
12787	171	17	of	of	IN
12787	171	18	the	the	DT
12787	171	19	case	case	NN
12787	171	20	.	.	.
12787	172	1	These	these	DT
12787	172	2	arrests	arrest	NNS
12787	172	3	exert	exert	VBP
12787	172	4	a	a	DT
12787	172	5	very	very	RB
12787	172	6	slight	slight	JJ
12787	172	7	upward	upward	JJ
12787	172	8	pressure	pressure	NN
12787	172	9	upon	upon	IN
12787	172	10	the	the	DT
12787	172	11	pans	pan	NNS
12787	172	12	and	and	CC
12787	172	13	minimize	minimize	VB
12787	172	14	the	the	DT
12787	172	15	displacement	displacement	NN
12787	172	16	of	of	IN
12787	172	17	the	the	DT
12787	172	18	beam	beam	NN
12787	172	19	when	when	WRB
12787	172	20	objects	object	VBZ
12787	172	21	or	or	CC
12787	172	22	weights	weight	NNS
12787	172	23	are	be	VBP
12787	172	24	being	be	VBG
12787	172	25	placed	place	VBN
12787	172	26	upon	upon	IN
12787	172	27	the	the	DT
12787	172	28	pans	pan	NNS
12787	172	29	.	.	.
12787	173	1	10	10	CD
12787	173	2	.	.	.
12787	174	1	A	a	DT
12787	174	2	movable	movable	JJ
12787	174	3	rod	rod	NN
12787	174	4	,	,	,
12787	174	5	operated	operate	VBN
12787	174	6	from	from	IN
12787	174	7	one	one	CD
12787	174	8	end	end	NN
12787	174	9	of	of	IN
12787	174	10	the	the	DT
12787	174	11	balance	balance	NN
12787	174	12	case	case	NN
12787	174	13	,	,	,
12787	174	14	extends	extend	VBZ
12787	174	15	over	over	IN
12787	174	16	the	the	DT
12787	174	17	balance	balance	NN
12787	174	18	beam	beam	NN
12787	174	19	and	and	CC
12787	174	20	carries	carry	VBZ
12787	174	21	a	a	DT
12787	174	22	small	small	JJ
12787	174	23	wire	wire	NN
12787	174	24	weight	weight	NN
12787	174	25	,	,	,
12787	174	26	called	call	VBD
12787	174	27	a	a	DT
12787	174	28	rider	rider	NN
12787	174	29	.	.	.
12787	175	1	By	by	IN
12787	175	2	means	mean	NNS
12787	175	3	of	of	IN
12787	175	4	this	this	DT
12787	175	5	rod	rod	NN
12787	175	6	the	the	DT
12787	175	7	rider	rider	NN
12787	175	8	can	can	MD
12787	175	9	be	be	VB
12787	175	10	placed	place	VBN
12787	175	11	upon	upon	IN
12787	175	12	any	any	DT
12787	175	13	desired	desire	VBN
12787	175	14	division	division	NN
12787	175	15	of	of	IN
12787	175	16	the	the	DT
12787	175	17	scale	scale	NN
12787	175	18	on	on	IN
12787	175	19	the	the	DT
12787	175	20	balance	balance	NN
12787	175	21	beam	beam	NN
12787	175	22	.	.	.
12787	176	1	Each	each	DT
12787	176	2	numbered	number	VBN
12787	176	3	division	division	NN
12787	176	4	on	on	IN
12787	176	5	the	the	DT
12787	176	6	beam	beam	NN
12787	176	7	corresponds	correspond	VBZ
12787	176	8	to	to	IN
12787	176	9	one	one	CD
12787	176	10	milligram	milligram	NN
12787	176	11	,	,	,
12787	176	12	and	and	CC
12787	176	13	the	the	DT
12787	176	14	use	use	NN
12787	176	15	of	of	IN
12787	176	16	the	the	DT
12787	176	17	rider	rider	NN
12787	176	18	obviates	obviate	VBZ
12787	176	19	the	the	DT
12787	176	20	placing	placing	NN
12787	176	21	of	of	IN
12787	176	22	very	very	RB
12787	176	23	small	small	JJ
12787	176	24	fractional	fractional	JJ
12787	176	25	weights	weight	NNS
12787	176	26	on	on	IN
12787	176	27	the	the	DT
12787	176	28	balance	balance	NN
12787	176	29	pan	pan	NN
12787	176	30	.	.	.
12787	177	1	If	if	IN
12787	177	2	a	a	DT
12787	177	3	new	new	JJ
12787	177	4	rider	rider	NN
12787	177	5	is	be	VBZ
12787	177	6	purchased	purchase	VBN
12787	177	7	,	,	,
12787	177	8	or	or	CC
12787	177	9	an	an	DT
12787	177	10	old	old	JJ
12787	177	11	one	one	CD
12787	177	12	replaced	replace	VBN
12787	177	13	,	,	,
12787	177	14	care	care	NN
12787	177	15	must	must	MD
12787	177	16	be	be	VB
12787	177	17	taken	take	VBN
12787	177	18	that	that	IN
12787	177	19	its	-PRON-	PRP$
12787	177	20	weight	weight	NN
12787	177	21	corresponds	correspond	VBZ
12787	177	22	to	to	IN
12787	177	23	the	the	DT
12787	177	24	graduations	graduation	NNS
12787	177	25	on	on	IN
12787	177	26	the	the	DT
12787	177	27	beam	beam	NN
12787	177	28	of	of	IN
12787	177	29	the	the	DT
12787	177	30	balance	balance	NN
12787	177	31	on	on	IN
12787	177	32	which	which	WDT
12787	177	33	it	-PRON-	PRP
12787	177	34	is	be	VBZ
12787	177	35	to	to	TO
12787	177	36	be	be	VB
12787	177	37	used	use	VBN
12787	177	38	.	.	.
12787	178	1	The	the	DT
12787	178	2	weight	weight	NN
12787	178	3	of	of	IN
12787	178	4	the	the	DT
12787	178	5	rider	rider	NN
12787	178	6	in	in	IN
12787	178	7	milligrams	milligram	NNS
12787	178	8	must	must	MD
12787	178	9	be	be	VB
12787	178	10	equal	equal	JJ
12787	178	11	to	to	IN
12787	178	12	the	the	DT
12787	178	13	number	number	NN
12787	178	14	of	of	IN
12787	178	15	large	large	JJ
12787	178	16	divisions	division	NNS
12787	178	17	(	(	-LRB-
12787	178	18	5	5	CD
12787	178	19	,	,	,
12787	178	20	6	6	CD
12787	178	21	,	,	,
12787	178	22	10	10	CD
12787	178	23	,	,	,
12787	178	24	or	or	CC
12787	178	25	12	12	CD
12787	178	26	)	)	-RRB-
12787	178	27	between	between	IN
12787	178	28	the	the	DT
12787	178	29	central	central	JJ
12787	178	30	knife	knife	NN
12787	178	31	-	-	HYPH
12787	178	32	edge	edge	NN
12787	178	33	and	and	CC
12787	178	34	the	the	DT
12787	178	35	knife	knife	NN
12787	178	36	-	-	HYPH
12787	178	37	edge	edge	NN
12787	178	38	at	at	IN
12787	178	39	the	the	DT
12787	178	40	end	end	NN
12787	178	41	of	of	IN
12787	178	42	the	the	DT
12787	178	43	beam	beam	NN
12787	178	44	.	.	.
12787	179	1	It	-PRON-	PRP
12787	179	2	should	should	MD
12787	179	3	be	be	VB
12787	179	4	noted	note	VBN
12787	179	5	that	that	IN
12787	179	6	on	on	IN
12787	179	7	some	some	DT
12787	179	8	balances	balance	NNS
12787	179	9	the	the	DT
12787	179	10	last	last	JJ
12787	179	11	division	division	NN
12787	179	12	bears	bear	VBZ
12787	179	13	no	no	DT
12787	179	14	number	number	NN
12787	179	15	.	.	.
12787	180	1	Each	each	DT
12787	180	2	new	new	JJ
12787	180	3	rider	rider	NN
12787	180	4	should	should	MD
12787	180	5	be	be	VB
12787	180	6	tested	test	VBN
12787	180	7	against	against	IN
12787	180	8	a	a	DT
12787	180	9	5	5	CD
12787	180	10	or	or	CC
12787	180	11	10-milligram	10-milligram	CD
12787	180	12	weight	weight	NN
12787	180	13	.	.	.
12787	181	1	In	in	IN
12787	181	2	some	some	DT
12787	181	3	of	of	IN
12787	181	4	the	the	DT
12787	181	5	most	most	RBS
12787	181	6	recent	recent	JJ
12787	181	7	forms	form	NNS
12787	181	8	of	of	IN
12787	181	9	the	the	DT
12787	181	10	balance	balance	NN
12787	181	11	a	a	DT
12787	181	12	chain	chain	NN
12787	181	13	device	device	NN
12787	181	14	replaces	replace	VBZ
12787	181	15	the	the	DT
12787	181	16	smaller	small	JJR
12787	181	17	weights	weight	NNS
12787	181	18	and	and	CC
12787	181	19	the	the	DT
12787	181	20	use	use	NN
12787	181	21	of	of	IN
12787	181	22	the	the	DT
12787	181	23	rider	rider	NN
12787	181	24	as	as	IN
12787	181	25	just	just	RB
12787	181	26	described	describe	VBN
12787	181	27	.	.	.
12787	182	1	Before	before	IN
12787	182	2	using	use	VBG
12787	182	3	a	a	DT
12787	182	4	balance	balance	NN
12787	182	5	,	,	,
12787	182	6	it	-PRON-	PRP
12787	182	7	is	be	VBZ
12787	182	8	always	always	RB
12787	182	9	best	good	JJS
12787	182	10	to	to	TO
12787	182	11	test	test	VB
12787	182	12	its	-PRON-	PRP$
12787	182	13	adjustment	adjustment	NN
12787	182	14	.	.	.
12787	183	1	This	this	DT
12787	183	2	is	be	VBZ
12787	183	3	absolutely	absolutely	RB
12787	183	4	necessary	necessary	JJ
12787	183	5	if	if	IN
12787	183	6	the	the	DT
12787	183	7	balance	balance	NN
12787	183	8	is	be	VBZ
12787	183	9	used	use	VBN
12787	183	10	by	by	IN
12787	183	11	several	several	JJ
12787	183	12	workers	worker	NNS
12787	183	13	;	;	:
12787	183	14	it	-PRON-	PRP
12787	183	15	is	be	VBZ
12787	183	16	always	always	RB
12787	183	17	a	a	DT
12787	183	18	wise	wise	JJ
12787	183	19	precaution	precaution	NN
12787	183	20	under	under	IN
12787	183	21	any	any	DT
12787	183	22	conditions	condition	NNS
12787	183	23	.	.	.
12787	184	1	For	for	IN
12787	184	2	this	this	DT
12787	184	3	purpose	purpose	NN
12787	184	4	,	,	,
12787	184	5	brush	brush	VB
12787	184	6	off	off	IN
12787	184	7	the	the	DT
12787	184	8	balance	balance	NN
12787	184	9	pans	pan	NNS
12787	184	10	with	with	IN
12787	184	11	a	a	DT
12787	184	12	soft	soft	JJ
12787	184	13	camel	camel	NN
12787	184	14	's	's	POS
12787	184	15	hair	hair	NN
12787	184	16	brush	brush	NN
12787	184	17	.	.	.
12787	185	1	Then	then	RB
12787	185	2	note	note	VB
12787	185	3	(	(	-LRB-
12787	185	4	1	1	LS
12787	185	5	)	)	-RRB-
12787	185	6	whether	whether	IN
12787	185	7	the	the	DT
12787	185	8	balance	balance	NN
12787	185	9	is	be	VBZ
12787	185	10	level	level	NN
12787	185	11	;	;	,
12787	185	12	(	(	-LRB-
12787	185	13	2	2	LS
12787	185	14	)	)	-RRB-
12787	185	15	that	that	IN
12787	185	16	the	the	DT
12787	185	17	mechanism	mechanism	NN
12787	185	18	for	for	IN
12787	185	19	raising	raise	VBG
12787	185	20	and	and	CC
12787	185	21	lowering	lower	VBG
12787	185	22	the	the	DT
12787	185	23	beams	beam	NNS
12787	185	24	works	work	VBZ
12787	185	25	smoothly	smoothly	RB
12787	185	26	;	;	:
12787	185	27	(	(	-LRB-
12787	185	28	3	3	LS
12787	185	29	)	)	-RRB-
12787	185	30	that	that	IN
12787	185	31	the	the	DT
12787	185	32	pan	pan	NN
12787	185	33	-	-	NNS
12787	185	34	arrests	arrest	NNS
12787	185	35	touch	touch	VBP
12787	185	36	the	the	DT
12787	185	37	pans	pan	NNS
12787	185	38	when	when	WRB
12787	185	39	the	the	DT
12787	185	40	beam	beam	NN
12787	185	41	is	be	VBZ
12787	185	42	lowered	lower	VBN
12787	185	43	;	;	:
12787	185	44	and	and	CC
12787	185	45	(	(	-LRB-
12787	185	46	4	4	LS
12787	185	47	)	)	-RRB-
12787	185	48	that	that	IN
12787	185	49	the	the	DT
12787	185	50	needle	needle	NN
12787	185	51	swings	swing	NNS
12787	185	52	equal	equal	VBP
12787	185	53	distances	distance	NNS
12787	185	54	on	on	IN
12787	185	55	either	either	DT
12787	185	56	side	side	NN
12787	185	57	of	of	IN
12787	185	58	the	the	DT
12787	185	59	zero	zero	CD
12787	185	60	-	-	HYPH
12787	185	61	point	point	NN
12787	185	62	when	when	WRB
12787	185	63	set	set	VBN
12787	185	64	in	in	IN
12787	185	65	motion	motion	NN
12787	185	66	without	without	IN
12787	185	67	any	any	DT
12787	185	68	load	load	NN
12787	185	69	on	on	IN
12787	185	70	the	the	DT
12787	185	71	pans	pan	NNS
12787	185	72	.	.	.
12787	186	1	If	if	IN
12787	186	2	the	the	DT
12787	186	3	latter	latter	JJ
12787	186	4	condition	condition	NN
12787	186	5	is	be	VBZ
12787	186	6	not	not	RB
12787	186	7	fulfilled	fulfil	VBN
12787	186	8	,	,	,
12787	186	9	the	the	DT
12787	186	10	balance	balance	NN
12787	186	11	should	should	MD
12787	186	12	be	be	VB
12787	186	13	adjusted	adjust	VBN
12787	186	14	by	by	IN
12787	186	15	means	mean	NNS
12787	186	16	of	of	IN
12787	186	17	the	the	DT
12787	186	18	adjusting	adjust	VBG
12787	186	19	screw	screw	NN
12787	186	20	at	at	IN
12787	186	21	the	the	DT
12787	186	22	end	end	NN
12787	186	23	of	of	IN
12787	186	24	the	the	DT
12787	186	25	beam	beam	NN
12787	186	26	unless	unless	IN
12787	186	27	the	the	DT
12787	186	28	variation	variation	NN
12787	186	29	is	be	VBZ
12787	186	30	not	not	RB
12787	186	31	more	more	JJR
12787	186	32	than	than	IN
12787	186	33	one	one	CD
12787	186	34	division	division	NN
12787	186	35	on	on	IN
12787	186	36	the	the	DT
12787	186	37	scale	scale	NN
12787	186	38	;	;	:
12787	186	39	it	-PRON-	PRP
12787	186	40	is	be	VBZ
12787	186	41	often	often	RB
12787	186	42	better	well	JJR
12787	186	43	to	to	TO
12787	186	44	make	make	VB
12787	186	45	a	a	DT
12787	186	46	proper	proper	JJ
12787	186	47	allowance	allowance	NN
12787	186	48	for	for	IN
12787	186	49	this	this	DT
12787	186	50	small	small	JJ
12787	186	51	zero	zero	CD
12787	186	52	error	error	NN
12787	186	53	than	than	IN
12787	186	54	to	to	TO
12787	186	55	disturb	disturb	VB
12787	186	56	the	the	DT
12787	186	57	balance	balance	NN
12787	186	58	by	by	IN
12787	186	59	an	an	DT
12787	186	60	attempt	attempt	NN
12787	186	61	at	at	IN
12787	186	62	correction	correction	NN
12787	186	63	.	.	.
12787	187	1	Unless	unless	IN
12787	187	2	a	a	DT
12787	187	3	student	student	NN
12787	187	4	thoroughly	thoroughly	RB
12787	187	5	understands	understand	VBZ
12787	187	6	the	the	DT
12787	187	7	construction	construction	NN
12787	187	8	of	of	IN
12787	187	9	a	a	DT
12787	187	10	balance	balance	NN
12787	187	11	he	-PRON-	PRP
12787	187	12	should	should	MD
12787	187	13	never	never	RB
12787	187	14	attempt	attempt	VB
12787	187	15	to	to	TO
12787	187	16	make	make	VB
12787	187	17	adjustments	adjustment	NNS
12787	187	18	,	,	,
12787	187	19	but	but	CC
12787	187	20	should	should	MD
12787	187	21	apply	apply	VB
12787	187	22	to	to	IN
12787	187	23	the	the	DT
12787	187	24	instructor	instructor	NN
12787	187	25	in	in	IN
12787	187	26	charge	charge	NN
12787	187	27	.	.	.
12787	188	1	The	the	DT
12787	188	2	object	object	NN
12787	188	3	to	to	TO
12787	188	4	be	be	VB
12787	188	5	weighed	weigh	VBN
12787	188	6	should	should	MD
12787	188	7	be	be	VB
12787	188	8	placed	place	VBN
12787	188	9	on	on	IN
12787	188	10	the	the	DT
12787	188	11	left	left	JJ
12787	188	12	-	-	HYPH
12787	188	13	hand	hand	NN
12787	188	14	balance	balance	NN
12787	188	15	pan	pan	NN
12787	188	16	and	and	CC
12787	188	17	the	the	DT
12787	188	18	weights	weight	NNS
12787	188	19	upon	upon	IN
12787	188	20	the	the	DT
12787	188	21	right	right	JJ
12787	188	22	-	-	HYPH
12787	188	23	hand	hand	NN
12787	188	24	pan	pan	NN
12787	188	25	.	.	.
12787	189	1	Every	every	DT
12787	189	2	substance	substance	NN
12787	189	3	which	which	WDT
12787	189	4	could	could	MD
12787	189	5	attack	attack	VB
12787	189	6	the	the	DT
12787	189	7	metal	metal	NN
12787	189	8	of	of	IN
12787	189	9	the	the	DT
12787	189	10	balance	balance	NN
12787	189	11	pan	pan	NN
12787	189	12	should	should	MD
12787	189	13	be	be	VB
12787	189	14	weighed	weigh	VBN
12787	189	15	upon	upon	IN
12787	189	16	a	a	DT
12787	189	17	watch	watch	NN
12787	189	18	-	-	HYPH
12787	189	19	glass	glass	NN
12787	189	20	,	,	,
12787	189	21	and	and	CC
12787	189	22	all	all	DT
12787	189	23	objects	object	NNS
12787	189	24	must	must	MD
12787	189	25	be	be	VB
12787	189	26	dry	dry	JJ
12787	189	27	and	and	CC
12787	189	28	cold	cold	JJ
12787	189	29	.	.	.
12787	190	1	A	a	DT
12787	190	2	warm	warm	JJ
12787	190	3	body	body	NN
12787	190	4	gives	give	VBZ
12787	190	5	rise	rise	NN
12787	190	6	to	to	IN
12787	190	7	air	air	NN
12787	190	8	currents	current	NNS
12787	190	9	which	which	WDT
12787	190	10	vitiate	vitiate	VBP
12787	190	11	the	the	DT
12787	190	12	accuracy	accuracy	NN
12787	190	13	of	of	IN
12787	190	14	the	the	DT
12787	190	15	weighing	weighing	NN
12787	190	16	.	.	.
12787	191	1	The	the	DT
12787	191	2	weights	weight	NNS
12787	191	3	should	should	MD
12787	191	4	be	be	VB
12787	191	5	applied	apply	VBN
12787	191	6	in	in	IN
12787	191	7	the	the	DT
12787	191	8	order	order	NN
12787	191	9	in	in	IN
12787	191	10	which	which	WDT
12787	191	11	they	-PRON-	PRP
12787	191	12	occur	occur	VBP
12787	191	13	in	in	IN
12787	191	14	the	the	DT
12787	191	15	weight	weight	NN
12787	191	16	-	-	HYPH
12787	191	17	box	box	NN
12787	191	18	(	(	-LRB-
12787	191	19	not	not	RB
12787	191	20	at	at	IN
12787	191	21	haphazard	haphazard	NN
12787	191	22	)	)	-RRB-
12787	191	23	,	,	,
12787	191	24	beginning	begin	VBG
12787	191	25	with	with	IN
12787	191	26	the	the	DT
12787	191	27	largest	large	JJS
12787	191	28	weight	weight	NN
12787	191	29	which	which	WDT
12787	191	30	is	be	VBZ
12787	191	31	apparently	apparently	RB
12787	191	32	required	require	VBN
12787	191	33	.	.	.
12787	192	1	After	after	IN
12787	192	2	a	a	DT
12787	192	3	weight	weight	NN
12787	192	4	has	have	VBZ
12787	192	5	been	be	VBN
12787	192	6	placed	place	VBN
12787	192	7	upon	upon	IN
12787	192	8	the	the	DT
12787	192	9	pan	pan	NN
12787	192	10	the	the	DT
12787	192	11	beam	beam	NN
12787	192	12	should	should	MD
12787	192	13	be	be	VB
12787	192	14	lowered	lower	VBN
12787	192	15	upon	upon	IN
12787	192	16	its	-PRON-	PRP$
12787	192	17	knife	knife	NN
12787	192	18	-	-	HYPH
12787	192	19	edges	edge	NNS
12787	192	20	,	,	,
12787	192	21	and	and	CC
12787	192	22	,	,	,
12787	192	23	if	if	IN
12787	192	24	necessary	necessary	JJ
12787	192	25	,	,	,
12787	192	26	the	the	DT
12787	192	27	pan	pan	NN
12787	192	28	-	-	HYPH
12787	192	29	arrests	arrest	NNS
12787	192	30	depressed	depress	VBD
12787	192	31	.	.	.
12787	193	1	The	the	DT
12787	193	2	movement	movement	NN
12787	193	3	of	of	IN
12787	193	4	the	the	DT
12787	193	5	pointer	pointer	NN
12787	193	6	will	will	MD
12787	193	7	then	then	RB
12787	193	8	indicate	indicate	VB
12787	193	9	whether	whether	IN
12787	193	10	the	the	DT
12787	193	11	weight	weight	NN
12787	193	12	applied	apply	VBN
12787	193	13	is	be	VBZ
12787	193	14	too	too	RB
12787	193	15	great	great	JJ
12787	193	16	or	or	CC
12787	193	17	too	too	RB
12787	193	18	small	small	JJ
12787	193	19	.	.	.
12787	194	1	When	when	WRB
12787	194	2	the	the	DT
12787	194	3	weight	weight	NN
12787	194	4	has	have	VBZ
12787	194	5	been	be	VBN
12787	194	6	ascertained	ascertain	VBN
12787	194	7	,	,	,
12787	194	8	by	by	IN
12787	194	9	the	the	DT
12787	194	10	successive	successive	JJ
12787	194	11	addition	addition	NN
12787	194	12	of	of	IN
12787	194	13	small	small	JJ
12787	194	14	weights	weight	NNS
12787	194	15	,	,	,
12787	194	16	to	to	IN
12787	194	17	the	the	DT
12787	194	18	nearest	near	JJS
12787	194	19	5	5	CD
12787	194	20	or	or	CC
12787	194	21	10	10	CD
12787	194	22	milligrams	milligram	NNS
12787	194	23	,	,	,
12787	194	24	the	the	DT
12787	194	25	weighing	weighing	NN
12787	194	26	is	be	VBZ
12787	194	27	completed	complete	VBN
12787	194	28	by	by	IN
12787	194	29	the	the	DT
12787	194	30	use	use	NN
12787	194	31	of	of	IN
12787	194	32	the	the	DT
12787	194	33	rider	rider	NN
12787	194	34	.	.	.
12787	195	1	The	the	DT
12787	195	2	correct	correct	JJ
12787	195	3	weight	weight	NN
12787	195	4	is	be	VBZ
12787	195	5	that	that	DT
12787	195	6	which	which	WDT
12787	195	7	causes	cause	VBZ
12787	195	8	the	the	DT
12787	195	9	pointer	pointer	NN
12787	195	10	to	to	TO
12787	195	11	swing	swing	VB
12787	195	12	an	an	DT
12787	195	13	equal	equal	JJ
12787	195	14	number	number	NN
12787	195	15	of	of	IN
12787	195	16	divisions	division	NNS
12787	195	17	to	to	IN
12787	195	18	the	the	DT
12787	195	19	right	right	NN
12787	195	20	and	and	CC
12787	195	21	left	leave	VBD
12787	195	22	of	of	IN
12787	195	23	the	the	DT
12787	195	24	zero	zero	CD
12787	195	25	-	-	HYPH
12787	195	26	point	point	NN
12787	195	27	,	,	,
12787	195	28	when	when	WRB
12787	195	29	the	the	DT
12787	195	30	pointer	pointer	NN
12787	195	31	traverses	traverse	VBZ
12787	195	32	not	not	RB
12787	195	33	less	less	JJR
12787	195	34	than	than	IN
12787	195	35	five	five	CD
12787	195	36	divisions	division	NNS
12787	195	37	on	on	IN
12787	195	38	either	either	DT
12787	195	39	side	side	NN
12787	195	40	.	.	.
12787	196	1	The	the	DT
12787	196	2	balance	balance	NN
12787	196	3	case	case	NN
12787	196	4	should	should	MD
12787	196	5	always	always	RB
12787	196	6	be	be	VB
12787	196	7	closed	close	VBN
12787	196	8	during	during	IN
12787	196	9	the	the	DT
12787	196	10	final	final	JJ
12787	196	11	weighing	weighing	NN
12787	196	12	,	,	,
12787	196	13	while	while	IN
12787	196	14	the	the	DT
12787	196	15	rider	rider	NN
12787	196	16	is	be	VBZ
12787	196	17	being	be	VBG
12787	196	18	used	use	VBN
12787	196	19	,	,	,
12787	196	20	to	to	TO
12787	196	21	protect	protect	VB
12787	196	22	the	the	DT
12787	196	23	pans	pan	NNS
12787	196	24	from	from	IN
12787	196	25	the	the	DT
12787	196	26	effect	effect	NN
12787	196	27	of	of	IN
12787	196	28	air	air	NN
12787	196	29	currents	current	NNS
12787	196	30	.	.	.
12787	197	1	Before	before	IN
12787	197	2	the	the	DT
12787	197	3	final	final	JJ
12787	197	4	determination	determination	NN
12787	197	5	of	of	IN
12787	197	6	an	an	DT
12787	197	7	exact	exact	JJ
12787	197	8	weight	weight	NN
12787	197	9	the	the	DT
12787	197	10	beam	beam	NN
12787	197	11	should	should	MD
12787	197	12	always	always	RB
12787	197	13	be	be	VB
12787	197	14	lifted	lift	VBN
12787	197	15	from	from	IN
12787	197	16	the	the	DT
12787	197	17	knife	knife	NN
12787	197	18	-	-	HYPH
12787	197	19	edges	edge	NNS
12787	197	20	and	and	CC
12787	197	21	again	again	RB
12787	197	22	lowered	lower	VBD
12787	197	23	into	into	IN
12787	197	24	place	place	NN
12787	197	25	,	,	,
12787	197	26	as	as	IN
12787	197	27	it	-PRON-	PRP
12787	197	28	frequently	frequently	RB
12787	197	29	happens	happen	VBZ
12787	197	30	that	that	IN
12787	197	31	the	the	DT
12787	197	32	scale	scale	NN
12787	197	33	pans	pan	NNS
12787	197	34	are	be	VBP
12787	197	35	,	,	,
12787	197	36	in	in	IN
12787	197	37	spite	spite	NN
12787	197	38	of	of	IN
12787	197	39	the	the	DT
12787	197	40	pan	pan	NN
12787	197	41	-	-	NNS
12787	197	42	arrests	arrest	NNS
12787	197	43	,	,	,
12787	197	44	slightly	slightly	RB
12787	197	45	twisted	twist	VBN
12787	197	46	by	by	IN
12787	197	47	the	the	DT
12787	197	48	impact	impact	NN
12787	197	49	of	of	IN
12787	197	50	the	the	DT
12787	197	51	weights	weight	NNS
12787	197	52	,	,	,
12787	197	53	the	the	DT
12787	197	54	beam	beam	NN
12787	197	55	being	be	VBG
12787	197	56	thereby	thereby	RB
12787	197	57	virtually	virtually	RB
12787	197	58	lengthened	lengthen	VBN
12787	197	59	or	or	CC
12787	197	60	shortened	shorten	VBN
12787	197	61	.	.	.
12787	198	1	Lifting	lift	VBG
12787	198	2	the	the	DT
12787	198	3	beam	beam	NN
12787	198	4	restores	restore	VBZ
12787	198	5	the	the	DT
12787	198	6	proper	proper	JJ
12787	198	7	alignment	alignment	NN
12787	198	8	.	.	.
12787	199	1	The	the	DT
12787	199	2	beam	beam	NN
12787	199	3	should	should	MD
12787	199	4	never	never	RB
12787	199	5	be	be	VB
12787	199	6	set	set	VBN
12787	199	7	in	in	IN
12787	199	8	motion	motion	NN
12787	199	9	by	by	IN
12787	199	10	lowering	lower	VBG
12787	199	11	it	-PRON-	PRP
12787	199	12	forcibly	forcibly	RB
12787	199	13	upon	upon	IN
12787	199	14	the	the	DT
12787	199	15	knife	knife	NN
12787	199	16	-	-	HYPH
12787	199	17	edges	edge	NNS
12787	199	18	,	,	,
12787	199	19	nor	nor	CC
12787	199	20	by	by	IN
12787	199	21	touching	touch	VBG
12787	199	22	the	the	DT
12787	199	23	pans	pan	NNS
12787	199	24	,	,	,
12787	199	25	but	but	CC
12787	199	26	rather	rather	RB
12787	199	27	by	by	IN
12787	199	28	lifting	lift	VBG
12787	199	29	the	the	DT
12787	199	30	rider	rider	NN
12787	199	31	(	(	-LRB-
12787	199	32	unless	unless	IN
12787	199	33	the	the	DT
12787	199	34	balance	balance	NN
12787	199	35	be	be	VB
12787	199	36	provided	provide	VBN
12787	199	37	with	with	IN
12787	199	38	some	some	DT
12787	199	39	of	of	IN
12787	199	40	the	the	DT
12787	199	41	newer	new	JJR
12787	199	42	devices	device	NNS
12787	199	43	for	for	IN
12787	199	44	the	the	DT
12787	199	45	purpose	purpose	NN
12787	199	46	)	)	-RRB-
12787	199	47	,	,	,
12787	199	48	and	and	CC
12787	199	49	the	the	DT
12787	199	50	swing	swing	NN
12787	199	51	should	should	MD
12787	199	52	be	be	VB
12787	199	53	arrested	arrest	VBN
12787	199	54	only	only	RB
12787	199	55	when	when	WRB
12787	199	56	the	the	DT
12787	199	57	needle	needle	NN
12787	199	58	approaches	approach	VBZ
12787	199	59	zero	zero	CD
12787	199	60	on	on	IN
12787	199	61	the	the	DT
12787	199	62	scale	scale	NN
12787	199	63	,	,	,
12787	199	64	otherwise	otherwise	RB
12787	199	65	the	the	DT
12787	199	66	knife	knife	NN
12787	199	67	-	-	HYPH
12787	199	68	edges	edge	NNS
12787	199	69	become	become	VBP
12787	199	70	dull	dull	JJ
12787	199	71	.	.	.
12787	200	1	For	for	IN
12787	200	2	the	the	DT
12787	200	3	same	same	JJ
12787	200	4	reason	reason	NN
12787	200	5	the	the	DT
12787	200	6	beam	beam	NN
12787	200	7	should	should	MD
12787	200	8	never	never	RB
12787	200	9	be	be	VB
12787	200	10	left	leave	VBN
12787	200	11	upon	upon	IN
12787	200	12	its	-PRON-	PRP$
12787	200	13	knife	knife	NN
12787	200	14	-	-	HYPH
12787	200	15	edges	edge	NNS
12787	200	16	,	,	,
12787	200	17	nor	nor	CC
12787	200	18	should	should	MD
12787	200	19	weights	weight	NNS
12787	200	20	be	be	VB
12787	200	21	removed	remove	VBN
12787	200	22	from	from	IN
12787	200	23	or	or	CC
12787	200	24	placed	place	VBN
12787	200	25	on	on	IN
12787	200	26	the	the	DT
12787	200	27	pans	pan	NNS
12787	200	28	without	without	IN
12787	200	29	supporting	support	VBG
12787	200	30	the	the	DT
12787	200	31	beam	beam	NN
12787	200	32	,	,	,
12787	200	33	except	except	IN
12787	200	34	in	in	IN
12787	200	35	the	the	DT
12787	200	36	case	case	NN
12787	200	37	of	of	IN
12787	200	38	the	the	DT
12787	200	39	small	small	JJ
12787	200	40	fractional	fractional	JJ
12787	200	41	weights	weight	NNS
12787	200	42	.	.	.
12787	201	1	When	when	WRB
12787	201	2	the	the	DT
12787	201	3	process	process	NN
12787	201	4	of	of	IN
12787	201	5	weighing	weighing	NN
12787	201	6	has	have	VBZ
12787	201	7	been	be	VBN
12787	201	8	completed	complete	VBN
12787	201	9	,	,	,
12787	201	10	the	the	DT
12787	201	11	weight	weight	NN
12787	201	12	should	should	MD
12787	201	13	be	be	VB
12787	201	14	recorded	record	VBN
12787	201	15	in	in	IN
12787	201	16	the	the	DT
12787	201	17	notebook	notebook	NN
12787	201	18	by	by	IN
12787	201	19	first	first	RB
12787	201	20	noting	note	VBG
12787	201	21	the	the	DT
12787	201	22	vacant	vacant	JJ
12787	201	23	spaces	space	NNS
12787	201	24	in	in	IN
12787	201	25	the	the	DT
12787	201	26	weight	weight	NN
12787	201	27	-	-	HYPH
12787	201	28	box	box	NN
12787	201	29	,	,	,
12787	201	30	and	and	CC
12787	201	31	then	then	RB
12787	201	32	checking	check	VBG
12787	201	33	the	the	DT
12787	201	34	weight	weight	NN
12787	201	35	by	by	IN
12787	201	36	again	again	RB
12787	201	37	noting	note	VBG
12787	201	38	the	the	DT
12787	201	39	weights	weight	NNS
12787	201	40	as	as	IN
12787	201	41	they	-PRON-	PRP
12787	201	42	are	be	VBP
12787	201	43	removed	remove	VBN
12787	201	44	from	from	IN
12787	201	45	the	the	DT
12787	201	46	pan	pan	NN
12787	201	47	.	.	.
12787	202	1	This	this	DT
12787	202	2	practice	practice	NN
12787	202	3	will	will	MD
12787	202	4	often	often	RB
12787	202	5	detect	detect	VB
12787	202	6	and	and	CC
12787	202	7	avoid	avoid	VB
12787	202	8	errors	error	NNS
12787	202	9	.	.	.
12787	203	1	It	-PRON-	PRP
12787	203	2	is	be	VBZ
12787	203	3	obvious	obvious	JJ
12787	203	4	that	that	IN
12787	203	5	the	the	DT
12787	203	6	weights	weight	NNS
12787	203	7	should	should	MD
12787	203	8	always	always	RB
12787	203	9	be	be	VB
12787	203	10	returned	return	VBN
12787	203	11	to	to	IN
12787	203	12	their	-PRON-	PRP$
12787	203	13	proper	proper	JJ
12787	203	14	places	place	NNS
12787	203	15	in	in	IN
12787	203	16	the	the	DT
12787	203	17	box	box	NN
12787	203	18	,	,	,
12787	203	19	and	and	CC
12787	203	20	be	be	VB
12787	203	21	handled	handle	VBN
12787	203	22	only	only	RB
12787	203	23	with	with	IN
12787	203	24	pincers	pincer	NNS
12787	203	25	.	.	.
12787	204	1	It	-PRON-	PRP
12787	204	2	should	should	MD
12787	204	3	be	be	VB
12787	204	4	borne	bear	VBN
12787	204	5	in	in	IN
12787	204	6	mind	mind	NN
12787	204	7	that	that	IN
12787	204	8	if	if	IN
12787	204	9	the	the	DT
12787	204	10	mechanism	mechanism	NN
12787	204	11	of	of	IN
12787	204	12	a	a	DT
12787	204	13	balance	balance	NN
12787	204	14	is	be	VBZ
12787	204	15	deranged	derange	VBN
12787	204	16	or	or	CC
12787	204	17	if	if	IN
12787	204	18	any	any	DT
12787	204	19	substance	substance	NN
12787	204	20	is	be	VBZ
12787	204	21	spilled	spill	VBN
12787	204	22	upon	upon	IN
12787	204	23	the	the	DT
12787	204	24	pans	pan	NNS
12787	204	25	or	or	CC
12787	204	26	in	in	IN
12787	204	27	the	the	DT
12787	204	28	balance	balance	NN
12787	204	29	case	case	NN
12787	204	30	,	,	,
12787	204	31	the	the	DT
12787	204	32	damage	damage	NN
12787	204	33	should	should	MD
12787	204	34	be	be	VB
12787	204	35	reported	report	VBN
12787	204	36	at	at	IN
12787	204	37	once	once	RB
12787	204	38	.	.	.
12787	205	1	In	in	IN
12787	205	2	many	many	JJ
12787	205	3	instances	instance	NNS
12787	205	4	serious	serious	JJ
12787	205	5	harm	harm	NN
12787	205	6	can	can	MD
12787	205	7	be	be	VB
12787	205	8	averted	avert	VBN
12787	205	9	by	by	IN
12787	205	10	prompt	prompt	JJ
12787	205	11	action	action	NN
12787	205	12	when	when	WRB
12787	205	13	delay	delay	NNP
12787	205	14	might	may	MD
12787	205	15	ruin	ruin	VB
12787	205	16	the	the	DT
12787	205	17	balance	balance	NN
12787	205	18	.	.	.
12787	206	1	Samples	sample	NNS
12787	206	2	for	for	IN
12787	206	3	analysis	analysis	NN
12787	206	4	are	be	VBP
12787	206	5	commonly	commonly	RB
12787	206	6	weighed	weigh	VBN
12787	206	7	in	in	IN
12787	206	8	small	small	JJ
12787	206	9	tubes	tube	NNS
12787	206	10	with	with	IN
12787	206	11	cork	cork	NN
12787	206	12	stoppers	stopper	NNS
12787	206	13	.	.	.
12787	207	1	Since	since	IN
12787	207	2	the	the	DT
12787	207	3	stoppers	stopper	NNS
12787	207	4	are	be	VBP
12787	207	5	likely	likely	JJ
12787	207	6	to	to	TO
12787	207	7	change	change	VB
12787	207	8	in	in	IN
12787	207	9	weight	weight	NN
12787	207	10	from	from	IN
12787	207	11	the	the	DT
12787	207	12	varying	vary	VBG
12787	207	13	amounts	amount	NNS
12787	207	14	of	of	IN
12787	207	15	moisture	moisture	NN
12787	207	16	absorbed	absorb	VBN
12787	207	17	from	from	IN
12787	207	18	the	the	DT
12787	207	19	atmosphere	atmosphere	NN
12787	207	20	,	,	,
12787	207	21	it	-PRON-	PRP
12787	207	22	is	be	VBZ
12787	207	23	necessary	necessary	JJ
12787	207	24	to	to	TO
12787	207	25	confirm	confirm	VB
12787	207	26	the	the	DT
12787	207	27	recorded	recorded	JJ
12787	207	28	weight	weight	NN
12787	207	29	of	of	IN
12787	207	30	a	a	DT
12787	207	31	tube	tube	NN
12787	207	32	which	which	WDT
12787	207	33	has	have	VBZ
12787	207	34	been	be	VBN
12787	207	35	unused	unused	JJ
12787	207	36	for	for	IN
12787	207	37	some	some	DT
12787	207	38	time	time	NN
12787	207	39	before	before	IN
12787	207	40	weighing	weigh	VBG
12787	207	41	out	out	RP
12787	207	42	a	a	DT
12787	207	43	new	new	JJ
12787	207	44	portion	portion	NN
12787	207	45	of	of	IN
12787	207	46	substance	substance	NN
12787	207	47	from	from	IN
12787	207	48	it	-PRON-	PRP
12787	207	49	.	.	.
12787	208	1	WEIGHTS	weights	WRB
12787	208	2	The	the	DT
12787	208	3	sets	set	NNS
12787	208	4	of	of	IN
12787	208	5	weights	weight	NNS
12787	208	6	commonly	commonly	RB
12787	208	7	used	use	VBN
12787	208	8	in	in	IN
12787	208	9	analytical	analytical	JJ
12787	208	10	chemistry	chemistry	NN
12787	208	11	range	range	NN
12787	208	12	from	from	IN
12787	208	13	20	20	CD
12787	208	14	grams	gram	NNS
12787	208	15	to	to	IN
12787	208	16	5	5	CD
12787	208	17	milligrams	milligram	NNS
12787	208	18	.	.	.
12787	209	1	The	the	DT
12787	209	2	weights	weight	NNS
12787	209	3	from	from	IN
12787	209	4	20	20	CD
12787	209	5	grams	gram	NNS
12787	209	6	to	to	IN
12787	209	7	1	1	CD
12787	209	8	gram	gram	NN
12787	209	9	are	be	VBP
12787	209	10	usually	usually	RB
12787	209	11	of	of	IN
12787	209	12	brass	brass	NN
12787	209	13	,	,	,
12787	209	14	lacquered	lacquer	VBN
12787	209	15	or	or	CC
12787	209	16	gold	gold	NN
12787	209	17	plated	plate	VBN
12787	209	18	.	.	.
12787	210	1	The	the	DT
12787	210	2	fractional	fractional	JJ
12787	210	3	weights	weight	NNS
12787	210	4	are	be	VBP
12787	210	5	of	of	IN
12787	210	6	German	german	JJ
12787	210	7	silver	silver	NN
12787	210	8	,	,	,
12787	210	9	gold	gold	NN
12787	210	10	,	,	,
12787	210	11	platinum	platinum	NN
12787	210	12	or	or	CC
12787	210	13	aluminium	aluminium	NN
12787	210	14	.	.	.
12787	211	1	The	the	DT
12787	211	2	rider	rider	NN
12787	211	3	is	be	VBZ
12787	211	4	of	of	IN
12787	211	5	platinum	platinum	NN
12787	211	6	or	or	CC
12787	211	7	aluminium	aluminium	NN
12787	211	8	wire	wire	NN
12787	211	9	.	.	.
12787	212	1	The	the	DT
12787	212	2	sets	set	NNS
12787	212	3	of	of	IN
12787	212	4	weights	weight	NNS
12787	212	5	purchased	purchase	VBN
12787	212	6	from	from	IN
12787	212	7	reputable	reputable	JJ
12787	212	8	dealers	dealer	NNS
12787	212	9	are	be	VBP
12787	212	10	usually	usually	RB
12787	212	11	sufficiently	sufficiently	RB
12787	212	12	accurate	accurate	JJ
12787	212	13	for	for	IN
12787	212	14	analytical	analytical	JJ
12787	212	15	work	work	NN
12787	212	16	.	.	.
12787	213	1	It	-PRON-	PRP
12787	213	2	is	be	VBZ
12787	213	3	not	not	RB
12787	213	4	necessary	necessary	JJ
12787	213	5	that	that	IN
12787	213	6	such	such	PDT
12787	213	7	a	a	DT
12787	213	8	set	set	NN
12787	213	9	should	should	MD
12787	213	10	be	be	VB
12787	213	11	strictly	strictly	RB
12787	213	12	exact	exact	JJ
12787	213	13	in	in	IN
12787	213	14	comparison	comparison	NN
12787	213	15	with	with	IN
12787	213	16	the	the	DT
12787	213	17	absolute	absolute	JJ
12787	213	18	standard	standard	NN
12787	213	19	of	of	IN
12787	213	20	weight	weight	NN
12787	213	21	,	,	,
12787	213	22	provided	provide	VBN
12787	213	23	they	-PRON-	PRP
12787	213	24	are	be	VBP
12787	213	25	relatively	relatively	RB
12787	213	26	correct	correct	JJ
12787	213	27	among	among	IN
12787	213	28	themselves	-PRON-	PRP
12787	213	29	,	,	,
12787	213	30	and	and	CC
12787	213	31	provided	provide	VBD
12787	213	32	the	the	DT
12787	213	33	same	same	JJ
12787	213	34	set	set	NN
12787	213	35	of	of	IN
12787	213	36	weights	weight	NNS
12787	213	37	is	be	VBZ
12787	213	38	used	use	VBN
12787	213	39	in	in	IN
12787	213	40	all	all	DT
12787	213	41	weighings	weighing	NNS
12787	213	42	made	make	VBN
12787	213	43	during	during	IN
12787	213	44	a	a	DT
12787	213	45	given	give	VBN
12787	213	46	analysis	analysis	NN
12787	213	47	.	.	.
12787	214	1	The	the	DT
12787	214	2	analyst	analyst	NN
12787	214	3	should	should	MD
12787	214	4	assure	assure	VB
12787	214	5	himself	-PRON-	PRP
12787	214	6	that	that	IN
12787	214	7	the	the	DT
12787	214	8	weights	weight	NNS
12787	214	9	in	in	IN
12787	214	10	a	a	DT
12787	214	11	set	set	NN
12787	214	12	previously	previously	RB
12787	214	13	unfamiliar	unfamiliar	JJ
12787	214	14	to	to	IN
12787	214	15	him	-PRON-	PRP
12787	214	16	are	be	VBP
12787	214	17	relatively	relatively	RB
12787	214	18	correct	correct	JJ
12787	214	19	by	by	IN
12787	214	20	a	a	DT
12787	214	21	few	few	JJ
12787	214	22	simple	simple	JJ
12787	214	23	tests	test	NNS
12787	214	24	.	.	.
12787	215	1	For	for	IN
12787	215	2	example	example	NN
12787	215	3	,	,	,
12787	215	4	he	-PRON-	PRP
12787	215	5	should	should	MD
12787	215	6	make	make	VB
12787	215	7	sure	sure	JJ
12787	215	8	that	that	IN
12787	215	9	in	in	IN
12787	215	10	his	-PRON-	PRP$
12787	215	11	set	set	NN
12787	215	12	two	two	CD
12787	215	13	weights	weight	NNS
12787	215	14	of	of	IN
12787	215	15	the	the	DT
12787	215	16	same	same	JJ
12787	215	17	denomination	denomination	NN
12787	215	18	(	(	-LRB-
12787	215	19	i.e.	i.e.	FW
12787	215	20	,	,	,
12787	215	21	two	two	CD
12787	215	22	10-gram	10-gram	CD
12787	215	23	weights	weight	NNS
12787	215	24	,	,	,
12787	215	25	or	or	CC
12787	215	26	the	the	DT
12787	215	27	two	two	CD
12787	215	28	100-milligram	100-milligram	CD
12787	215	29	weights	weight	NNS
12787	215	30	)	)	-RRB-
12787	215	31	are	be	VBP
12787	215	32	actually	actually	RB
12787	215	33	equal	equal	JJ
12787	215	34	and	and	CC
12787	215	35	interchangeable	interchangeable	JJ
12787	215	36	,	,	,
12787	215	37	or	or	CC
12787	215	38	that	that	IN
12787	215	39	the	the	DT
12787	215	40	500-milligram	500-milligram	CD
12787	215	41	weight	weight	NN
12787	215	42	is	be	VBZ
12787	215	43	equal	equal	JJ
12787	215	44	to	to	IN
12787	215	45	the	the	DT
12787	215	46	sum	sum	NN
12787	215	47	of	of	IN
12787	215	48	the	the	DT
12787	215	49	200	200	CD
12787	215	50	,	,	,
12787	215	51	100	100	CD
12787	215	52	,	,	,
12787	215	53	100	100	CD
12787	215	54	,	,	,
12787	215	55	50	50	CD
12787	215	56	,	,	,
12787	215	57	20	20	CD
12787	215	58	,	,	,
12787	215	59	20	20	CD
12787	215	60	and	and	CC
12787	215	61	10-milligram	10-milligram	CD
12787	215	62	weights	weight	NNS
12787	215	63	combined	combine	VBN
12787	215	64	,	,	,
12787	215	65	and	and	CC
12787	215	66	so	so	RB
12787	215	67	on	on	RB
12787	215	68	.	.	.
12787	216	1	If	if	IN
12787	216	2	discrepancies	discrepancy	NNS
12787	216	3	of	of	IN
12787	216	4	more	more	JJR
12787	216	5	than	than	IN
12787	216	6	a	a	DT
12787	216	7	few	few	JJ
12787	216	8	tenths	tenth	NNS
12787	216	9	of	of	IN
12787	216	10	a	a	DT
12787	216	11	milligram	milligram	NN
12787	216	12	(	(	-LRB-
12787	216	13	depending	depend	VBG
12787	216	14	upon	upon	IN
12787	216	15	the	the	DT
12787	216	16	total	total	JJ
12787	216	17	weight	weight	NN
12787	216	18	involved	involve	VBN
12787	216	19	)	)	-RRB-
12787	216	20	are	be	VBP
12787	216	21	found	find	VBN
12787	216	22	,	,	,
12787	216	23	the	the	DT
12787	216	24	weights	weight	NNS
12787	216	25	should	should	MD
12787	216	26	be	be	VB
12787	216	27	returned	return	VBN
12787	216	28	for	for	IN
12787	216	29	correction	correction	NN
12787	216	30	.	.	.
12787	217	1	The	the	DT
12787	217	2	rider	rider	NN
12787	217	3	should	should	MD
12787	217	4	also	also	RB
12787	217	5	be	be	VB
12787	217	6	compared	compare	VBN
12787	217	7	with	with	IN
12787	217	8	a	a	DT
12787	217	9	5	5	CD
12787	217	10	or	or	CC
12787	217	11	10-milligram	10-milligram	CD
12787	217	12	weight	weight	NN
12787	217	13	.	.	.
12787	218	1	In	in	IN
12787	218	2	an	an	DT
12787	218	3	instructional	instructional	JJ
12787	218	4	laboratory	laboratory	NN
12787	218	5	appreciable	appreciable	JJ
12787	218	6	errors	error	NNS
12787	218	7	should	should	MD
12787	218	8	be	be	VB
12787	218	9	reported	report	VBN
12787	218	10	to	to	IN
12787	218	11	the	the	DT
12787	218	12	instructor	instructor	NN
12787	218	13	in	in	IN
12787	218	14	charge	charge	NN
12787	218	15	for	for	IN
12787	218	16	his	-PRON-	PRP$
12787	218	17	consideration	consideration	NN
12787	218	18	.	.	.
12787	219	1	When	when	WRB
12787	219	2	the	the	DT
12787	219	3	highest	high	JJS
12787	219	4	accuracy	accuracy	NN
12787	219	5	is	be	VBZ
12787	219	6	desired	desire	VBN
12787	219	7	,	,	,
12787	219	8	the	the	DT
12787	219	9	weights	weight	NNS
12787	219	10	may	may	MD
12787	219	11	be	be	VB
12787	219	12	calibrated	calibrate	VBN
12787	219	13	and	and	CC
12787	219	14	corrections	correction	NNS
12787	219	15	applied	apply	VBN
12787	219	16	.	.	.
12787	220	1	A	a	DT
12787	220	2	calibration	calibration	NN
12787	220	3	procedure	procedure	NN
12787	220	4	is	be	VBZ
12787	220	5	described	describe	VBN
12787	220	6	in	in	IN
12787	220	7	a	a	DT
12787	220	8	paper	paper	NN
12787	220	9	by	by	IN
12787	220	10	T.W.	T.W.	NNP
12787	221	1	Richards	Richards	NNP
12787	221	2	,	,	,
12787	221	3	!	!	.
12787	221	4	J.	J.	NNP
12787	222	1	Am	Am	NNP
12787	222	2	.	.	.
12787	223	1	Chem	Chem	NNP
12787	223	2	.	.	.
12787	224	1	Soc	Soc	NNP
12787	224	2	.	.	.
12787	225	1	!	!	.
12787	225	2	,	,	,
12787	225	3	22	22	CD
12787	225	4	,	,	,
12787	225	5	144	144	CD
12787	225	6	,	,	,
12787	225	7	and	and	CC
12787	225	8	in	in	IN
12787	225	9	many	many	JJ
12787	225	10	large	large	JJ
12787	225	11	text	text	NN
12787	225	12	-	-	HYPH
12787	225	13	books	book	NNS
12787	225	14	.	.	.
12787	226	1	Weights	weight	NNS
12787	226	2	are	be	VBP
12787	226	3	inevitably	inevitably	RB
12787	226	4	subject	subject	JJ
12787	226	5	to	to	IN
12787	226	6	corrosion	corrosion	NN
12787	226	7	if	if	IN
12787	226	8	not	not	RB
12787	226	9	properly	properly	RB
12787	226	10	protected	protect	VBN
12787	226	11	at	at	IN
12787	226	12	all	all	DT
12787	226	13	times	time	NNS
12787	226	14	,	,	,
12787	226	15	and	and	CC
12787	226	16	are	be	VBP
12787	226	17	liable	liable	JJ
12787	226	18	to	to	TO
12787	226	19	damage	damage	VB
12787	226	20	unless	unless	IN
12787	226	21	handled	handle	VBN
12787	226	22	with	with	IN
12787	226	23	great	great	JJ
12787	226	24	care	care	NN
12787	226	25	.	.	.
12787	227	1	It	-PRON-	PRP
12787	227	2	is	be	VBZ
12787	227	3	obvious	obvious	JJ
12787	227	4	that	that	IN
12787	227	5	anything	anything	NN
12787	227	6	which	which	WDT
12787	227	7	alters	alter	VBZ
12787	227	8	the	the	DT
12787	227	9	weight	weight	NN
12787	227	10	of	of	IN
12787	227	11	a	a	DT
12787	227	12	single	single	JJ
12787	227	13	piece	piece	NN
12787	227	14	in	in	IN
12787	227	15	an	an	DT
12787	227	16	analytical	analytical	JJ
12787	227	17	set	set	NN
12787	227	18	will	will	MD
12787	227	19	introduce	introduce	VB
12787	227	20	an	an	DT
12787	227	21	error	error	NN
12787	227	22	in	in	IN
12787	227	23	every	every	DT
12787	227	24	weighing	weighing	NN
12787	227	25	made	make	VBN
12787	227	26	in	in	IN
12787	227	27	which	which	WDT
12787	227	28	that	that	DT
12787	227	29	piece	piece	NN
12787	227	30	is	be	VBZ
12787	227	31	used	use	VBN
12787	227	32	.	.	.
12787	228	1	This	this	DT
12787	228	2	source	source	NN
12787	228	3	of	of	IN
12787	228	4	error	error	NN
12787	228	5	is	be	VBZ
12787	228	6	often	often	RB
12787	228	7	extremely	extremely	RB
12787	228	8	obscure	obscure	JJ
12787	228	9	and	and	CC
12787	228	10	difficult	difficult	JJ
12787	228	11	to	to	TO
12787	228	12	detect	detect	VB
12787	228	13	.	.	.
12787	229	1	The	the	DT
12787	229	2	only	only	JJ
12787	229	3	safeguard	safeguard	NN
12787	229	4	against	against	IN
12787	229	5	such	such	JJ
12787	229	6	errors	error	NNS
12787	229	7	is	be	VBZ
12787	229	8	to	to	TO
12787	229	9	be	be	VB
12787	229	10	found	find	VBN
12787	229	11	in	in	IN
12787	229	12	scrupulous	scrupulous	JJ
12787	229	13	care	care	NN
12787	229	14	in	in	IN
12787	229	15	handling	handling	NN
12787	229	16	and	and	CC
12787	229	17	protection	protection	NN
12787	229	18	on	on	IN
12787	229	19	the	the	DT
12787	229	20	part	part	NN
12787	229	21	of	of	IN
12787	229	22	the	the	DT
12787	229	23	analyst	analyst	NN
12787	229	24	,	,	,
12787	229	25	and	and	CC
12787	229	26	an	an	DT
12787	229	27	equal	equal	JJ
12787	229	28	insistence	insistence	NN
12787	229	29	that	that	IN
12787	229	30	if	if	IN
12787	229	31	several	several	JJ
12787	229	32	analysts	analyst	NNS
12787	229	33	use	use	VBP
12787	229	34	the	the	DT
12787	229	35	same	same	JJ
12787	229	36	set	set	NN
12787	229	37	of	of	IN
12787	229	38	weights	weight	NNS
12787	229	39	,	,	,
12787	229	40	each	each	DT
12787	229	41	shall	shall	MD
12787	229	42	realize	realize	VB
12787	229	43	his	-PRON-	PRP$
12787	229	44	responsibility	responsibility	NN
12787	229	45	for	for	IN
12787	229	46	the	the	DT
12787	229	47	work	work	NN
12787	229	48	of	of	IN
12787	229	49	others	other	NNS
12787	229	50	as	as	RB
12787	229	51	well	well	RB
12787	229	52	as	as	IN
12787	229	53	his	-PRON-	PRP$
12787	229	54	own	own	JJ
12787	229	55	.	.	.
12787	230	1	BURETTES	burette	NNS
12787	230	2	A	a	DT
12787	230	3	burette	burette	NN
12787	230	4	is	be	VBZ
12787	230	5	made	make	VBN
12787	230	6	from	from	IN
12787	230	7	a	a	DT
12787	230	8	glass	glass	NN
12787	230	9	tube	tube	NN
12787	230	10	which	which	WDT
12787	230	11	is	be	VBZ
12787	230	12	as	as	RB
12787	230	13	uniformly	uniformly	RB
12787	230	14	cylindrical	cylindrical	JJ
12787	230	15	as	as	IN
12787	230	16	possible	possible	JJ
12787	230	17	,	,	,
12787	230	18	and	and	CC
12787	230	19	of	of	IN
12787	230	20	such	such	PDT
12787	230	21	a	a	DT
12787	230	22	bore	bore	NN
12787	230	23	that	that	IN
12787	230	24	the	the	DT
12787	230	25	divisions	division	NNS
12787	230	26	which	which	WDT
12787	230	27	are	be	VBP
12787	230	28	etched	etch	VBN
12787	230	29	upon	upon	IN
12787	230	30	its	-PRON-	PRP$
12787	230	31	surface	surface	NN
12787	230	32	shall	shall	MD
12787	230	33	correspond	correspond	VB
12787	230	34	closely	closely	RB
12787	230	35	to	to	IN
12787	230	36	actual	actual	JJ
12787	230	37	contents	content	NNS
12787	230	38	.	.	.
12787	231	1	The	the	DT
12787	231	2	tube	tube	NN
12787	231	3	is	be	VBZ
12787	231	4	contracted	contract	VBN
12787	231	5	at	at	IN
12787	231	6	one	one	CD
12787	231	7	extremity	extremity	NN
12787	231	8	,	,	,
12787	231	9	and	and	CC
12787	231	10	terminates	terminate	NNS
12787	231	11	in	in	IN
12787	231	12	either	either	CC
12787	231	13	a	a	DT
12787	231	14	glass	glass	NN
12787	231	15	stopcock	stopcock	NN
12787	231	16	and	and	CC
12787	231	17	delivery	delivery	NN
12787	231	18	-	-	HYPH
12787	231	19	tube	tube	NN
12787	231	20	,	,	,
12787	231	21	or	or	CC
12787	231	22	in	in	IN
12787	231	23	such	such	PDT
12787	231	24	a	a	DT
12787	231	25	manner	manner	NN
12787	231	26	that	that	IN
12787	231	27	a	a	DT
12787	231	28	piece	piece	NN
12787	231	29	of	of	IN
12787	231	30	rubber	rubber	NN
12787	231	31	tubing	tubing	NN
12787	231	32	may	may	MD
12787	231	33	be	be	VB
12787	231	34	firmly	firmly	RB
12787	231	35	attached	attach	VBN
12787	231	36	,	,	,
12787	231	37	connecting	connect	VBG
12787	231	38	a	a	DT
12787	231	39	delivery	delivery	NN
12787	231	40	-	-	HYPH
12787	231	41	tube	tube	NN
12787	231	42	of	of	IN
12787	231	43	glass	glass	NN
12787	231	44	.	.	.
12787	232	1	The	the	DT
12787	232	2	rubber	rubber	NN
12787	232	3	tubing	tubing	NN
12787	232	4	is	be	VBZ
12787	232	5	closed	close	VBN
12787	232	6	by	by	IN
12787	232	7	means	mean	NNS
12787	232	8	of	of	IN
12787	232	9	a	a	DT
12787	232	10	glass	glass	NN
12787	232	11	bead	bead	NN
12787	232	12	.	.	.
12787	233	1	Burettes	burette	NNS
12787	233	2	of	of	IN
12787	233	3	the	the	DT
12787	233	4	latter	latter	JJ
12787	233	5	type	type	NN
12787	233	6	will	will	MD
12787	233	7	be	be	VB
12787	233	8	referred	refer	VBN
12787	233	9	to	to	IN
12787	233	10	as	as	IN
12787	233	11	"	"	``
12787	233	12	plain	plain	JJ
12787	233	13	burettes	burette	NNS
12787	233	14	.	.	.
12787	233	15	"	"	''
12787	234	1	The	the	DT
12787	234	2	graduations	graduation	NNS
12787	234	3	are	be	VBP
12787	234	4	usually	usually	RB
12787	234	5	numbered	number	VBN
12787	234	6	in	in	IN
12787	234	7	cubic	cubic	JJ
12787	234	8	centimeters	centimeter	NNS
12787	234	9	,	,	,
12787	234	10	and	and	CC
12787	234	11	the	the	DT
12787	234	12	latter	latter	JJ
12787	234	13	are	be	VBP
12787	234	14	subdivided	subdivide	VBN
12787	234	15	into	into	IN
12787	234	16	tenths	tenth	NNS
12787	234	17	.	.	.
12787	235	1	One	one	CD
12787	235	2	burette	burette	NN
12787	235	3	of	of	IN
12787	235	4	each	each	DT
12787	235	5	type	type	NN
12787	235	6	is	be	VBZ
12787	235	7	desirable	desirable	JJ
12787	235	8	for	for	IN
12787	235	9	the	the	DT
12787	235	10	analytical	analytical	JJ
12787	235	11	procedures	procedure	NNS
12787	235	12	which	which	WDT
12787	235	13	follow	follow	VBP
12787	235	14	.	.	.
12787	236	1	PREPARATION	preparation	NN
12787	236	2	OF	of	IN
12787	236	3	A	a	DT
12787	236	4	BURETTE	burette	JJ
12787	236	5	FOR	for	IN
12787	236	6	USE	use	NN
12787	236	7	The	the	DT
12787	236	8	inner	inner	JJ
12787	236	9	surface	surface	NN
12787	236	10	of	of	IN
12787	236	11	a	a	DT
12787	236	12	burette	burette	NN
12787	236	13	must	must	MD
12787	236	14	be	be	VB
12787	236	15	thoroughly	thoroughly	RB
12787	236	16	cleaned	clean	VBN
12787	236	17	in	in	IN
12787	236	18	order	order	NN
12787	236	19	that	that	IN
12787	236	20	the	the	DT
12787	236	21	liquid	liquid	NN
12787	236	22	as	as	IN
12787	236	23	drawn	draw	VBN
12787	236	24	out	out	RP
12787	236	25	may	may	MD
12787	236	26	drain	drain	VB
12787	236	27	away	away	RB
12787	236	28	completely	completely	RB
12787	236	29	,	,	,
12787	236	30	without	without	IN
12787	236	31	leaving	leave	VBG
12787	236	32	drops	drop	NNS
12787	236	33	upon	upon	IN
12787	236	34	the	the	DT
12787	236	35	sides	side	NNS
12787	236	36	.	.	.
12787	237	1	This	this	DT
12787	237	2	is	be	VBZ
12787	237	3	best	well	RBS
12787	237	4	accomplished	accomplish	VBN
12787	237	5	by	by	IN
12787	237	6	treating	treat	VBG
12787	237	7	the	the	DT
12787	237	8	inside	inside	NN
12787	237	9	of	of	IN
12787	237	10	the	the	DT
12787	237	11	burette	burette	NN
12787	237	12	with	with	IN
12787	237	13	a	a	DT
12787	237	14	warm	warm	JJ
12787	237	15	solution	solution	NN
12787	237	16	of	of	IN
12787	237	17	chromic	chromic	JJ
12787	237	18	acid	acid	NN
12787	237	19	in	in	IN
12787	237	20	concentrated	concentrated	JJ
12787	237	21	sulphuric	sulphuric	JJ
12787	237	22	acid	acid	NN
12787	237	23	,	,	,
12787	237	24	applied	apply	VBD
12787	237	25	as	as	IN
12787	237	26	follows	follow	VBZ
12787	237	27	:	:	:
12787	237	28	If	if	IN
12787	237	29	the	the	DT
12787	237	30	burette	burette	NN
12787	237	31	is	be	VBZ
12787	237	32	of	of	IN
12787	237	33	the	the	DT
12787	237	34	"	"	``
12787	237	35	plain	plain	JJ
12787	237	36	"	"	''
12787	237	37	type	type	NN
12787	237	38	,	,	,
12787	237	39	first	first	RB
12787	237	40	remove	remove	VB
12787	237	41	the	the	DT
12787	237	42	rubber	rubber	NN
12787	237	43	tip	tip	NN
12787	237	44	and	and	CC
12787	237	45	force	force	VB
12787	237	46	the	the	DT
12787	237	47	lower	low	JJR
12787	237	48	end	end	NN
12787	237	49	of	of	IN
12787	237	50	the	the	DT
12787	237	51	burette	burette	NN
12787	237	52	into	into	IN
12787	237	53	a	a	DT
12787	237	54	medium	medium	JJ
12787	237	55	-	-	HYPH
12787	237	56	sized	sized	JJ
12787	237	57	cork	cork	NN
12787	237	58	stopper	stopper	NN
12787	237	59	.	.	.
12787	238	1	Nearly	nearly	RB
12787	238	2	fill	fill	VB
12787	238	3	the	the	DT
12787	238	4	burette	burette	NN
12787	238	5	with	with	IN
12787	238	6	the	the	DT
12787	238	7	chromic	chromic	JJ
12787	238	8	acid	acid	NNP
12787	238	9	solution	solution	NN
12787	238	10	,	,	,
12787	238	11	close	close	VB
12787	238	12	the	the	DT
12787	238	13	upper	upper	JJ
12787	238	14	end	end	NN
12787	238	15	with	with	IN
12787	238	16	a	a	DT
12787	238	17	cork	cork	NN
12787	238	18	stopper	stopper	NN
12787	238	19	and	and	CC
12787	238	20	tip	tip	VB
12787	238	21	the	the	DT
12787	238	22	burette	burette	NN
12787	238	23	backward	backward	RB
12787	238	24	and	and	CC
12787	238	25	forward	forward	RB
12787	238	26	in	in	IN
12787	238	27	such	such	PDT
12787	238	28	a	a	DT
12787	238	29	way	way	NN
12787	238	30	as	as	IN
12787	238	31	to	to	TO
12787	238	32	bring	bring	VB
12787	238	33	the	the	DT
12787	238	34	solution	solution	NN
12787	238	35	into	into	IN
12787	238	36	contact	contact	NN
12787	238	37	with	with	IN
12787	238	38	the	the	DT
12787	238	39	entire	entire	JJ
12787	238	40	inner	inner	JJ
12787	238	41	surface	surface	NN
12787	238	42	.	.	.
12787	239	1	Remove	remove	VB
12787	239	2	the	the	DT
12787	239	3	stopper	stopper	NN
12787	239	4	and	and	CC
12787	239	5	pour	pour	VB
12787	239	6	the	the	DT
12787	239	7	solution	solution	NN
12787	239	8	into	into	IN
12787	239	9	a	a	DT
12787	239	10	stock	stock	NN
12787	239	11	bottle	bottle	NN
12787	239	12	to	to	TO
12787	239	13	be	be	VB
12787	239	14	kept	keep	VBN
12787	239	15	for	for	IN
12787	239	16	further	further	JJ
12787	239	17	use	use	NN
12787	239	18	,	,	,
12787	239	19	and	and	CC
12787	239	20	rinse	rinse	VB
12787	239	21	out	out	RP
12787	239	22	the	the	DT
12787	239	23	burette	burette	NN
12787	239	24	with	with	IN
12787	239	25	water	water	NN
12787	239	26	several	several	JJ
12787	239	27	times	time	NNS
12787	239	28	.	.	.
12787	240	1	Unless	unless	IN
12787	240	2	the	the	DT
12787	240	3	water	water	NN
12787	240	4	then	then	RB
12787	240	5	runs	run	VBZ
12787	240	6	freely	freely	RB
12787	240	7	from	from	IN
12787	240	8	the	the	DT
12787	240	9	burette	burette	NN
12787	240	10	without	without	IN
12787	240	11	leaving	leave	VBG
12787	240	12	drops	drop	NNS
12787	240	13	adhering	adhere	VBG
12787	240	14	to	to	IN
12787	240	15	the	the	DT
12787	240	16	sides	side	NNS
12787	240	17	,	,	,
12787	240	18	the	the	DT
12787	240	19	process	process	NN
12787	240	20	must	must	MD
12787	240	21	be	be	VB
12787	240	22	repeated	repeat	VBN
12787	240	23	(	(	-LRB-
12787	240	24	Note	note	NN
12787	240	25	1	1	CD
12787	240	26	)	)	-RRB-
12787	240	27	.	.	.
12787	241	1	If	if	IN
12787	241	2	the	the	DT
12787	241	3	burette	burette	NN
12787	241	4	has	have	VBZ
12787	241	5	a	a	DT
12787	241	6	glass	glass	NN
12787	241	7	stopcock	stopcock	NN
12787	241	8	,	,	,
12787	241	9	this	this	DT
12787	241	10	should	should	MD
12787	241	11	be	be	VB
12787	241	12	removed	remove	VBN
12787	241	13	after	after	IN
12787	241	14	the	the	DT
12787	241	15	cleaning	cleaning	NN
12787	241	16	and	and	CC
12787	241	17	wiped	wipe	VBD
12787	241	18	,	,	,
12787	241	19	and	and	CC
12787	241	20	also	also	RB
12787	241	21	the	the	DT
12787	241	22	inside	inside	NN
12787	241	23	of	of	IN
12787	241	24	the	the	DT
12787	241	25	ground	ground	NN
12787	241	26	joint	joint	NN
12787	241	27	.	.	.
12787	242	1	The	the	DT
12787	242	2	surface	surface	NN
12787	242	3	of	of	IN
12787	242	4	the	the	DT
12787	242	5	stopcock	stopcock	NN
12787	242	6	should	should	MD
12787	242	7	then	then	RB
12787	242	8	be	be	VB
12787	242	9	smeared	smear	VBN
12787	242	10	with	with	IN
12787	242	11	a	a	DT
12787	242	12	thin	thin	JJ
12787	242	13	coating	coating	NN
12787	242	14	of	of	IN
12787	242	15	vaseline	vaseline	NN
12787	242	16	and	and	CC
12787	242	17	replaced	replace	VBN
12787	242	18	.	.	.
12787	243	1	It	-PRON-	PRP
12787	243	2	should	should	MD
12787	243	3	be	be	VB
12787	243	4	attached	attach	VBN
12787	243	5	to	to	IN
12787	243	6	the	the	DT
12787	243	7	burette	burette	NN
12787	243	8	by	by	IN
12787	243	9	means	mean	NNS
12787	243	10	of	of	IN
12787	243	11	a	a	DT
12787	243	12	wire	wire	NN
12787	243	13	,	,	,
12787	243	14	or	or	CC
12787	243	15	elastic	elastic	JJ
12787	243	16	band	band	NN
12787	243	17	,	,	,
12787	243	18	to	to	TO
12787	243	19	lessen	lessen	VB
12787	243	20	the	the	DT
12787	243	21	danger	danger	NN
12787	243	22	of	of	IN
12787	243	23	breakage	breakage	NN
12787	243	24	.	.	.
12787	244	1	Fill	fill	VB
12787	244	2	the	the	DT
12787	244	3	burettes	burette	NNS
12787	244	4	with	with	IN
12787	244	5	distilled	distilled	JJ
12787	244	6	water	water	NN
12787	244	7	,	,	,
12787	244	8	and	and	CC
12787	244	9	allow	allow	VB
12787	244	10	the	the	DT
12787	244	11	water	water	NN
12787	244	12	to	to	TO
12787	244	13	run	run	VB
12787	244	14	out	out	RP
12787	244	15	through	through	IN
12787	244	16	the	the	DT
12787	244	17	stopcock	stopcock	NN
12787	244	18	or	or	CC
12787	244	19	rubber	rubber	NN
12787	244	20	tip	tip	NN
12787	244	21	until	until	IN
12787	244	22	convinced	convinced	JJ
12787	244	23	that	that	IN
12787	244	24	no	no	DT
12787	244	25	air	air	NN
12787	244	26	bubbles	bubble	NNS
12787	244	27	are	be	VBP
12787	244	28	inclosed	inclose	VBN
12787	244	29	(	(	-LRB-
12787	244	30	Note	note	NN
12787	244	31	2	2	CD
12787	244	32	)	)	-RRB-
12787	244	33	.	.	.
12787	245	1	Fill	fill	VB
12787	245	2	the	the	DT
12787	245	3	burette	burette	NN
12787	245	4	to	to	IN
12787	245	5	a	a	DT
12787	245	6	point	point	NN
12787	245	7	above	above	IN
12787	245	8	the	the	DT
12787	245	9	zero	zero	CD
12787	245	10	-	-	HYPH
12787	245	11	point	point	NN
12787	245	12	and	and	CC
12787	245	13	draw	draw	VB
12787	245	14	off	off	RP
12787	245	15	the	the	DT
12787	245	16	water	water	NN
12787	245	17	until	until	IN
12787	245	18	the	the	DT
12787	245	19	meniscus	meniscus	NN
12787	245	20	is	be	VBZ
12787	245	21	just	just	RB
12787	245	22	below	below	IN
12787	245	23	that	that	DT
12787	245	24	mark	mark	NN
12787	245	25	.	.	.
12787	246	1	It	-PRON-	PRP
12787	246	2	is	be	VBZ
12787	246	3	then	then	RB
12787	246	4	ready	ready	JJ
12787	246	5	for	for	IN
12787	246	6	calibration	calibration	NN
12787	246	7	.	.	.
12787	247	1	[	[	-LRB-
12787	247	2	Note	note	NN
12787	247	3	1	1	CD
12787	247	4	:	:	:
12787	247	5	The	the	DT
12787	247	6	inner	inner	JJ
12787	247	7	surface	surface	NN
12787	247	8	of	of	IN
12787	247	9	the	the	DT
12787	247	10	burette	burette	NN
12787	247	11	must	must	MD
12787	247	12	be	be	VB
12787	247	13	absolutely	absolutely	RB
12787	247	14	clean	clean	JJ
12787	247	15	if	if	IN
12787	247	16	the	the	DT
12787	247	17	liquid	liquid	NN
12787	247	18	is	be	VBZ
12787	247	19	to	to	TO
12787	247	20	run	run	VB
12787	247	21	off	off	RP
12787	247	22	freely	freely	RB
12787	247	23	.	.	.
12787	248	1	Chromic	chromic	JJ
12787	248	2	acid	acid	NN
12787	248	3	in	in	IN
12787	248	4	sulphuric	sulphuric	JJ
12787	248	5	acid	acid	NN
12787	248	6	is	be	VBZ
12787	248	7	usually	usually	RB
12787	248	8	found	find	VBN
12787	248	9	to	to	TO
12787	248	10	be	be	VB
12787	248	11	the	the	DT
12787	248	12	best	good	JJS
12787	248	13	cleansing	cleansing	NN
12787	248	14	agent	agent	NN
12787	248	15	,	,	,
12787	248	16	but	but	CC
12787	248	17	the	the	DT
12787	248	18	mixture	mixture	NN
12787	248	19	must	must	MD
12787	248	20	be	be	VB
12787	248	21	warm	warm	JJ
12787	248	22	and	and	CC
12787	248	23	concentrated	concentrated	JJ
12787	248	24	.	.	.
12787	249	1	The	the	DT
12787	249	2	solution	solution	NN
12787	249	3	can	can	MD
12787	249	4	be	be	VB
12787	249	5	prepared	prepare	VBN
12787	249	6	by	by	IN
12787	249	7	pouring	pour	VBG
12787	249	8	over	over	IN
12787	249	9	a	a	DT
12787	249	10	few	few	JJ
12787	249	11	crystals	crystal	NNS
12787	249	12	of	of	IN
12787	249	13	potassium	potassium	NN
12787	249	14	bichromate	bichromate	VBP
12787	249	15	a	a	DT
12787	249	16	little	little	JJ
12787	249	17	water	water	NN
12787	249	18	and	and	CC
12787	249	19	then	then	RB
12787	249	20	adding	add	VBG
12787	249	21	concentrated	concentrate	VBN
12787	249	22	sulphuric	sulphuric	JJ
12787	249	23	acid	acid	NN
12787	249	24	.	.	.
12787	249	25	]	]	-RRB-
12787	250	1	[	[	-LRB-
12787	250	2	Note	note	NN
12787	250	3	2	2	CD
12787	250	4	:	:	:
12787	250	5	It	-PRON-	PRP
12787	250	6	is	be	VBZ
12787	250	7	always	always	RB
12787	250	8	necessary	necessary	JJ
12787	250	9	to	to	TO
12787	250	10	insure	insure	VB
12787	250	11	the	the	DT
12787	250	12	absence	absence	NN
12787	250	13	of	of	IN
12787	250	14	air	air	NN
12787	250	15	bubbles	bubble	NNS
12787	250	16	in	in	IN
12787	250	17	the	the	DT
12787	250	18	tips	tip	NNS
12787	250	19	or	or	CC
12787	250	20	stopcocks	stopcock	NNS
12787	250	21	.	.	.
12787	251	1	The	the	DT
12787	251	2	treatment	treatment	NN
12787	251	3	described	describe	VBN
12787	251	4	above	above	RB
12787	251	5	will	will	MD
12787	251	6	usually	usually	RB
12787	251	7	accomplish	accomplish	VB
12787	251	8	this	this	DT
12787	251	9	,	,	,
12787	251	10	but	but	CC
12787	251	11	,	,	,
12787	251	12	in	in	IN
12787	251	13	the	the	DT
12787	251	14	case	case	NN
12787	251	15	of	of	IN
12787	251	16	plain	plain	JJ
12787	251	17	burettes	burette	NNS
12787	251	18	it	-PRON-	PRP
12787	251	19	is	be	VBZ
12787	251	20	sometimes	sometimes	RB
12787	251	21	better	well	JJR
12787	251	22	to	to	TO
12787	251	23	allow	allow	VB
12787	251	24	a	a	DT
12787	251	25	little	little	JJ
12787	251	26	of	of	IN
12787	251	27	the	the	DT
12787	251	28	liquid	liquid	NN
12787	251	29	to	to	TO
12787	251	30	flow	flow	VB
12787	251	31	out	out	IN
12787	251	32	of	of	IN
12787	251	33	the	the	DT
12787	251	34	tip	tip	NN
12787	251	35	while	while	IN
12787	251	36	it	-PRON-	PRP
12787	251	37	is	be	VBZ
12787	251	38	bent	bent	JJ
12787	251	39	upwards	upwards	RB
12787	251	40	.	.	.
12787	252	1	Any	any	DT
12787	252	2	air	air	NN
12787	252	3	which	which	WDT
12787	252	4	may	may	MD
12787	252	5	be	be	VB
12787	252	6	entrapped	entrap	VBN
12787	252	7	then	then	RB
12787	252	8	rises	rise	VBZ
12787	252	9	with	with	IN
12787	252	10	the	the	DT
12787	252	11	liquid	liquid	NN
12787	252	12	and	and	CC
12787	252	13	escapes	escape	NNS
12787	252	14	.	.	.
12787	253	1	If	if	IN
12787	253	2	air	air	NN
12787	253	3	bubbles	bubble	NNS
12787	253	4	escape	escape	VBP
12787	253	5	during	during	IN
12787	253	6	subsequent	subsequent	JJ
12787	253	7	calibration	calibration	NN
12787	253	8	or	or	CC
12787	253	9	titration	titration	NN
12787	253	10	,	,	,
12787	253	11	an	an	DT
12787	253	12	error	error	NN
12787	253	13	is	be	VBZ
12787	253	14	introduced	introduce	VBN
12787	253	15	which	which	WDT
12787	253	16	vitiates	vitiate	VBZ
12787	253	17	the	the	DT
12787	253	18	results	result	NNS
12787	253	19	.	.	.
12787	253	20	]	]	-RRB-
12787	254	1	READING	reading	NN
12787	254	2	OF	of	IN
12787	254	3	A	a	DT
12787	254	4	BURETTE	burette	NN
12787	254	5	All	all	DT
12787	254	6	liquids	liquid	NNS
12787	254	7	when	when	WRB
12787	254	8	placed	place	VBN
12787	254	9	in	in	IN
12787	254	10	a	a	DT
12787	254	11	burette	burette	NN
12787	254	12	form	form	NN
12787	254	13	what	what	WP
12787	254	14	is	be	VBZ
12787	254	15	called	call	VBN
12787	254	16	a	a	DT
12787	254	17	meniscus	meniscus	NN
12787	254	18	at	at	IN
12787	254	19	their	-PRON-	PRP$
12787	254	20	upper	upper	JJ
12787	254	21	surfaces	surface	NNS
12787	254	22	.	.	.
12787	255	1	In	in	IN
12787	255	2	the	the	DT
12787	255	3	case	case	NN
12787	255	4	of	of	IN
12787	255	5	liquids	liquid	NNS
12787	255	6	such	such	JJ
12787	255	7	as	as	IN
12787	255	8	water	water	NN
12787	255	9	or	or	CC
12787	255	10	aqueous	aqueous	JJ
12787	255	11	solutions	solution	NNS
12787	255	12	this	this	DT
12787	255	13	meniscus	meniscus	NN
12787	255	14	is	be	VBZ
12787	255	15	concave	concave	NNP
12787	255	16	,	,	,
12787	255	17	and	and	CC
12787	255	18	when	when	WRB
12787	255	19	the	the	DT
12787	255	20	liquids	liquid	NNS
12787	255	21	are	be	VBP
12787	255	22	transparent	transparent	JJ
12787	255	23	accurate	accurate	JJ
12787	255	24	readings	reading	NNS
12787	255	25	are	be	VBP
12787	255	26	best	best	RB
12787	255	27	obtained	obtain	VBN
12787	255	28	by	by	IN
12787	255	29	observing	observe	VBG
12787	255	30	the	the	DT
12787	255	31	position	position	NN
12787	255	32	on	on	IN
12787	255	33	the	the	DT
12787	255	34	graduated	graduate	VBN
12787	255	35	scales	scale	NNS
12787	255	36	of	of	IN
12787	255	37	the	the	DT
12787	255	38	lowest	low	JJS
12787	255	39	point	point	NN
12787	255	40	of	of	IN
12787	255	41	the	the	DT
12787	255	42	meniscus	meniscus	NN
12787	255	43	.	.	.
12787	256	1	This	this	DT
12787	256	2	can	can	MD
12787	256	3	best	well	RBS
12787	256	4	be	be	VB
12787	256	5	done	do	VBN
12787	256	6	as	as	IN
12787	256	7	follows	follow	VBZ
12787	256	8	:	:	:
12787	256	9	Wrap	wrap	VB
12787	256	10	around	around	IN
12787	256	11	the	the	DT
12787	256	12	burette	burette	NN
12787	256	13	a	a	DT
12787	256	14	piece	piece	NN
12787	256	15	of	of	IN
12787	256	16	colored	colored	JJ
12787	256	17	paper	paper	NN
12787	256	18	,	,	,
12787	256	19	the	the	DT
12787	256	20	straight	straight	JJ
12787	256	21	,	,	,
12787	256	22	smooth	smooth	JJ
12787	256	23	edges	edge	NNS
12787	256	24	of	of	IN
12787	256	25	which	which	WDT
12787	256	26	are	be	VBP
12787	256	27	held	hold	VBN
12787	256	28	evenly	evenly	RB
12787	256	29	together	together	RB
12787	256	30	with	with	IN
12787	256	31	the	the	DT
12787	256	32	colored	colored	JJ
12787	256	33	side	side	NN
12787	256	34	next	next	RB
12787	256	35	to	to	IN
12787	256	36	the	the	DT
12787	256	37	burette	burette	NN
12787	256	38	(	(	-LRB-
12787	256	39	Note	note	NN
12787	256	40	1	1	CD
12787	256	41	)	)	-RRB-
12787	256	42	.	.	.
12787	257	1	Hold	hold	VB
12787	257	2	the	the	DT
12787	257	3	paper	paper	NN
12787	257	4	about	about	IN
12787	257	5	two	two	CD
12787	257	6	small	small	JJ
12787	257	7	divisions	division	NNS
12787	257	8	below	below	IN
12787	257	9	the	the	DT
12787	257	10	meniscus	meniscus	NN
12787	257	11	and	and	CC
12787	257	12	raise	raise	VB
12787	257	13	or	or	CC
12787	257	14	lower	lower	VB
12787	257	15	the	the	DT
12787	257	16	level	level	NN
12787	257	17	of	of	IN
12787	257	18	the	the	DT
12787	257	19	eyes	eye	NNS
12787	257	20	until	until	IN
12787	257	21	the	the	DT
12787	257	22	edge	edge	NN
12787	257	23	of	of	IN
12787	257	24	the	the	DT
12787	257	25	paper	paper	NN
12787	257	26	at	at	IN
12787	257	27	the	the	DT
12787	257	28	back	back	NN
12787	257	29	of	of	IN
12787	257	30	the	the	DT
12787	257	31	burette	burette	NN
12787	257	32	is	be	VBZ
12787	257	33	just	just	RB
12787	257	34	hidden	hide	VBN
12787	257	35	from	from	IN
12787	257	36	the	the	DT
12787	257	37	eye	eye	NN
12787	257	38	by	by	IN
12787	257	39	that	that	DT
12787	257	40	in	in	IN
12787	257	41	front	front	NN
12787	257	42	(	(	-LRB-
12787	257	43	Note	note	NN
12787	257	44	2	2	CD
12787	257	45	)	)	-RRB-
12787	257	46	.	.	.
12787	258	1	Note	note	VB
12787	258	2	the	the	DT
12787	258	3	position	position	NN
12787	258	4	of	of	IN
12787	258	5	the	the	DT
12787	258	6	lowest	low	JJS
12787	258	7	point	point	NN
12787	258	8	of	of	IN
12787	258	9	the	the	DT
12787	258	10	curve	curve	NN
12787	258	11	of	of	IN
12787	258	12	the	the	DT
12787	258	13	meniscus	meniscus	NN
12787	258	14	,	,	,
12787	258	15	estimating	estimate	VBG
12787	258	16	the	the	DT
12787	258	17	tenths	tenth	NNS
12787	258	18	of	of	IN
12787	258	19	the	the	DT
12787	258	20	small	small	JJ
12787	258	21	divisions	division	NNS
12787	258	22	,	,	,
12787	258	23	thus	thus	RB
12787	258	24	reading	read	VBG
12787	258	25	its	-PRON-	PRP$
12787	258	26	position	position	NN
12787	258	27	to	to	IN
12787	258	28	hundredths	hundredth	NNS
12787	258	29	of	of	IN
12787	258	30	a	a	DT
12787	258	31	cubic	cubic	JJ
12787	258	32	centimeter	centimeter	NN
12787	258	33	.	.	.
12787	259	1	[	[	-LRB-
12787	259	2	Note	note	NN
12787	259	3	1	1	CD
12787	259	4	:	:	:
12787	259	5	The	the	DT
12787	259	6	ends	end	NNS
12787	259	7	of	of	IN
12787	259	8	the	the	DT
12787	259	9	colored	colored	JJ
12787	259	10	paper	paper	NN
12787	259	11	used	use	VBN
12787	259	12	as	as	IN
12787	259	13	an	an	DT
12787	259	14	aid	aid	NN
12787	259	15	to	to	IN
12787	259	16	accurate	accurate	JJ
12787	259	17	readings	reading	NNS
12787	259	18	may	may	MD
12787	259	19	be	be	VB
12787	259	20	fastened	fasten	VBN
12787	259	21	together	together	RB
12787	259	22	by	by	IN
12787	259	23	means	mean	NNS
12787	259	24	of	of	IN
12787	259	25	a	a	DT
12787	259	26	gummed	gummed	JJ
12787	259	27	label	label	NN
12787	259	28	.	.	.
12787	260	1	The	the	DT
12787	260	2	paper	paper	NN
12787	260	3	may	may	MD
12787	260	4	then	then	RB
12787	260	5	remain	remain	VB
12787	260	6	on	on	IN
12787	260	7	the	the	DT
12787	260	8	burette	burette	NN
12787	260	9	and	and	CC
12787	260	10	be	be	VB
12787	260	11	ready	ready	JJ
12787	260	12	for	for	IN
12787	260	13	immediate	immediate	JJ
12787	260	14	use	use	NN
12787	260	15	by	by	IN
12787	260	16	sliding	slide	VBG
12787	260	17	it	-PRON-	PRP
12787	260	18	up	up	RP
12787	260	19	or	or	CC
12787	260	20	down	down	RB
12787	260	21	,	,	,
12787	260	22	as	as	IN
12787	260	23	required	require	VBN
12787	260	24	.	.	.
12787	260	25	]	]	-RRB-
12787	261	1	[	[	-LRB-
12787	261	2	Note	note	NN
12787	261	3	2	2	CD
12787	261	4	:	:	:
12787	261	5	To	to	TO
12787	261	6	obtain	obtain	VB
12787	261	7	an	an	DT
12787	261	8	accurate	accurate	JJ
12787	261	9	reading	reading	NN
12787	261	10	the	the	DT
12787	261	11	eye	eye	NN
12787	261	12	must	must	MD
12787	261	13	be	be	VB
12787	261	14	very	very	RB
12787	261	15	nearly	nearly	RB
12787	261	16	on	on	IN
12787	261	17	a	a	DT
12787	261	18	level	level	NN
12787	261	19	with	with	IN
12787	261	20	the	the	DT
12787	261	21	meniscus	meniscus	NN
12787	261	22	.	.	.
12787	262	1	This	this	DT
12787	262	2	is	be	VBZ
12787	262	3	secured	secure	VBN
12787	262	4	by	by	IN
12787	262	5	the	the	DT
12787	262	6	use	use	NN
12787	262	7	of	of	IN
12787	262	8	the	the	DT
12787	262	9	paper	paper	NN
12787	262	10	as	as	IN
12787	262	11	described	describe	VBN
12787	262	12	.	.	.
12787	263	1	The	the	DT
12787	263	2	student	student	NN
12787	263	3	should	should	MD
12787	263	4	observe	observe	VB
12787	263	5	by	by	IN
12787	263	6	trial	trial	NN
12787	263	7	how	how	WRB
12787	263	8	a	a	DT
12787	263	9	reading	reading	NN
12787	263	10	is	be	VBZ
12787	263	11	affected	affect	VBN
12787	263	12	when	when	WRB
12787	263	13	the	the	DT
12787	263	14	meniscus	meniscus	NN
12787	263	15	is	be	VBZ
12787	263	16	viewed	view	VBN
12787	263	17	from	from	IN
12787	263	18	above	above	IN
12787	263	19	or	or	CC
12787	263	20	below	below	RB
12787	263	21	.	.	.
12787	264	1	The	the	DT
12787	264	2	eye	eye	NN
12787	264	3	soon	soon	RB
12787	264	4	becomes	become	VBZ
12787	264	5	accustomed	accustomed	JJ
12787	264	6	to	to	IN
12787	264	7	estimating	estimate	VBG
12787	264	8	the	the	DT
12787	264	9	tenths	tenth	NNS
12787	264	10	of	of	IN
12787	264	11	the	the	DT
12787	264	12	divisions	division	NNS
12787	264	13	.	.	.
12787	265	1	If	if	IN
12787	265	2	the	the	DT
12787	265	3	paper	paper	NN
12787	265	4	is	be	VBZ
12787	265	5	held	hold	VBN
12787	265	6	as	as	IN
12787	265	7	directed	direct	VBN
12787	265	8	,	,	,
12787	265	9	two	two	CD
12787	265	10	divisions	division	NNS
12787	265	11	below	below	IN
12787	265	12	the	the	DT
12787	265	13	meniscus	meniscus	NN
12787	265	14	,	,	,
12787	265	15	one	one	CD
12787	265	16	whole	whole	JJ
12787	265	17	division	division	NN
12787	265	18	is	be	VBZ
12787	265	19	visible	visible	JJ
12787	265	20	to	to	TO
12787	265	21	correct	correct	VB
12787	265	22	the	the	DT
12787	265	23	judgment	judgment	NN
12787	265	24	.	.	.
12787	266	1	It	-PRON-	PRP
12787	266	2	is	be	VBZ
12787	266	3	not	not	RB
12787	266	4	well	well	JJ
12787	266	5	to	to	TO
12787	266	6	attempt	attempt	VB
12787	266	7	to	to	TO
12787	266	8	bring	bring	VB
12787	266	9	the	the	DT
12787	266	10	meniscus	meniscus	NN
12787	266	11	exactly	exactly	RB
12787	266	12	to	to	IN
12787	266	13	a	a	DT
12787	266	14	division	division	NN
12787	266	15	mark	mark	NN
12787	266	16	on	on	IN
12787	266	17	the	the	DT
12787	266	18	burette	burette	NN
12787	266	19	.	.	.
12787	267	1	Such	such	JJ
12787	267	2	readings	reading	NNS
12787	267	3	are	be	VBP
12787	267	4	usually	usually	RB
12787	267	5	less	less	RBR
12787	267	6	accurate	accurate	JJ
12787	267	7	than	than	IN
12787	267	8	those	those	DT
12787	267	9	in	in	IN
12787	267	10	which	which	WDT
12787	267	11	the	the	DT
12787	267	12	tenths	tenth	NNS
12787	267	13	of	of	IN
12787	267	14	a	a	DT
12787	267	15	division	division	NN
12787	267	16	are	be	VBP
12787	267	17	estimated	estimate	VBN
12787	267	18	.	.	.
12787	267	19	]	]	-RRB-
12787	268	1	CALIBRATION	calibration	NN
12787	268	2	OF	of	IN
12787	268	3	GLASS	GLASS	NNP
12787	268	4	MEASURING	MEASURING	NNP
12787	268	5	DEVICES	devices	NN
12787	268	6	If	if	IN
12787	268	7	accuracy	accuracy	NN
12787	268	8	of	of	IN
12787	268	9	results	result	NNS
12787	268	10	is	be	VBZ
12787	268	11	to	to	TO
12787	268	12	be	be	VB
12787	268	13	attained	attain	VBN
12787	268	14	,	,	,
12787	268	15	the	the	DT
12787	268	16	correctness	correctness	NN
12787	268	17	of	of	IN
12787	268	18	all	all	DT
12787	268	19	measuring	measure	VBG
12787	268	20	instruments	instrument	NNS
12787	268	21	must	must	MD
12787	268	22	be	be	VB
12787	268	23	tested	test	VBN
12787	268	24	.	.	.
12787	269	1	None	none	NN
12787	269	2	of	of	IN
12787	269	3	the	the	DT
12787	269	4	apparatus	apparatus	NN
12787	269	5	offered	offer	VBN
12787	269	6	for	for	IN
12787	269	7	sale	sale	NN
12787	269	8	can	can	MD
12787	269	9	be	be	VB
12787	269	10	implicitly	implicitly	RB
12787	269	11	relied	rely	VBN
12787	269	12	upon	upon	IN
12787	269	13	except	except	IN
12787	269	14	those	those	DT
12787	269	15	more	more	RBR
12787	269	16	expensive	expensive	JJ
12787	269	17	instruments	instrument	NNS
12787	269	18	which	which	WDT
12787	269	19	are	be	VBP
12787	269	20	accompanied	accompany	VBN
12787	269	21	by	by	IN
12787	269	22	a	a	DT
12787	269	23	certificate	certificate	NN
12787	269	24	from	from	IN
12787	269	25	the	the	DT
12787	269	26	!	!	.
12787	269	27	National	National	NNP
12787	269	28	Bureau	Bureau	NNP
12787	269	29	of	of	IN
12787	269	30	Standards	Standards	NNPS
12787	269	31	!	!	.
12787	270	1	at	at	IN
12787	270	2	Washington	Washington	NNP
12787	270	3	,	,	,
12787	270	4	or	or	CC
12787	270	5	other	other	JJ
12787	270	6	equally	equally	RB
12787	270	7	authentic	authentic	JJ
12787	270	8	source	source	NN
12787	270	9	.	.	.
12787	271	1	The	the	DT
12787	271	2	bore	bore	NN
12787	271	3	of	of	IN
12787	271	4	burettes	burette	NNS
12787	271	5	is	be	VBZ
12787	271	6	subject	subject	JJ
12787	271	7	to	to	IN
12787	271	8	accidental	accidental	JJ
12787	271	9	variations	variation	NNS
12787	271	10	,	,	,
12787	271	11	and	and	CC
12787	271	12	since	since	IN
12787	271	13	the	the	DT
12787	271	14	graduations	graduation	NNS
12787	271	15	are	be	VBP
12787	271	16	applied	apply	VBN
12787	271	17	by	by	IN
12787	271	18	machine	machine	NN
12787	271	19	without	without	IN
12787	271	20	regard	regard	NN
12787	271	21	to	to	IN
12787	271	22	such	such	JJ
12787	271	23	variations	variation	NNS
12787	271	24	of	of	IN
12787	271	25	bore	bore	NN
12787	271	26	,	,	,
12787	271	27	local	local	JJ
12787	271	28	errors	error	NNS
12787	271	29	result	result	VBP
12787	271	30	.	.	.
12787	272	1	The	the	DT
12787	272	2	process	process	NN
12787	272	3	of	of	IN
12787	272	4	testing	test	VBG
12787	272	5	these	these	DT
12787	272	6	instruments	instrument	NNS
12787	272	7	is	be	VBZ
12787	272	8	called	call	VBN
12787	272	9	!	!	.
12787	272	10	calibration	calibration	NN
12787	272	11	!	!	.
12787	272	12	.	.	.
12787	273	1	It	-PRON-	PRP
12787	273	2	is	be	VBZ
12787	273	3	usually	usually	RB
12787	273	4	accomplished	accomplish	VBN
12787	273	5	by	by	IN
12787	273	6	comparing	compare	VBG
12787	273	7	the	the	DT
12787	273	8	actual	actual	JJ
12787	273	9	weight	weight	NN
12787	273	10	of	of	IN
12787	273	11	water	water	NN
12787	273	12	contained	contain	VBN
12787	273	13	in	in	IN
12787	273	14	the	the	DT
12787	273	15	instrument	instrument	NN
12787	273	16	with	with	IN
12787	273	17	its	-PRON-	PRP$
12787	273	18	apparent	apparent	JJ
12787	273	19	volume	volume	NN
12787	273	20	.	.	.
12787	274	1	There	there	EX
12787	274	2	is	be	VBZ
12787	274	3	,	,	,
12787	274	4	unfortunately	unfortunately	RB
12787	274	5	,	,	,
12787	274	6	no	no	DT
12787	274	7	uniform	uniform	JJ
12787	274	8	standard	standard	NN
12787	274	9	of	of	IN
12787	274	10	volume	volume	NN
12787	274	11	which	which	WDT
12787	274	12	has	have	VBZ
12787	274	13	been	be	VBN
12787	274	14	adopted	adopt	VBN
12787	274	15	for	for	IN
12787	274	16	general	general	JJ
12787	274	17	use	use	NN
12787	274	18	in	in	IN
12787	274	19	all	all	DT
12787	274	20	laboratories	laboratory	NNS
12787	274	21	.	.	.
12787	275	1	It	-PRON-	PRP
12787	275	2	has	have	VBZ
12787	275	3	been	be	VBN
12787	275	4	variously	variously	RB
12787	275	5	proposed	propose	VBN
12787	275	6	to	to	TO
12787	275	7	consider	consider	VB
12787	275	8	the	the	DT
12787	275	9	volume	volume	NN
12787	275	10	of	of	IN
12787	275	11	1000	1000	CD
12787	275	12	grams	gram	NNS
12787	275	13	of	of	IN
12787	275	14	water	water	NN
12787	275	15	at	at	IN
12787	275	16	4Â	4Â	NNP
12787	275	17	°	°	NNS
12787	275	18	,	,	,
12787	275	19	15.5Â	15.5â	CD
12787	275	20	°	°	NNS
12787	275	21	,	,	,
12787	275	22	16Â	16â	CD
12787	275	23	°	°	NNS
12787	275	24	,	,	,
12787	275	25	17.5Â	17.5â	CD
12787	275	26	°	°	NNS
12787	275	27	,	,	,
12787	275	28	and	and	CC
12787	275	29	even	even	RB
12787	275	30	20Â	20â	CD
12787	275	31	°	°	,
12787	275	32	C	C	NNP
12787	275	33	.	.	NNP
12787	275	34	,	,	,
12787	275	35	as	as	IN
12787	275	36	a	a	DT
12787	275	37	liter	liter	NN
12787	275	38	for	for	IN
12787	275	39	practical	practical	JJ
12787	275	40	purposes	purpose	NNS
12787	275	41	,	,	,
12787	275	42	and	and	CC
12787	275	43	to	to	TO
12787	275	44	consider	consider	VB
12787	275	45	the	the	DT
12787	275	46	cubic	cubic	JJ
12787	275	47	centimeter	centimeter	NN
12787	275	48	to	to	TO
12787	275	49	be	be	VB
12787	275	50	one	one	CD
12787	275	51	one	one	CD
12787	275	52	-	-	HYPH
12787	275	53	thousandth	thousandth	NN
12787	275	54	of	of	IN
12787	275	55	that	that	DT
12787	275	56	volume	volume	NN
12787	275	57	.	.	.
12787	276	1	The	the	DT
12787	276	2	true	true	JJ
12787	276	3	liter	liter	NN
12787	276	4	is	be	VBZ
12787	276	5	the	the	DT
12787	276	6	volume	volume	NN
12787	276	7	of	of	IN
12787	276	8	1000	1000	CD
12787	276	9	grams	gram	NNS
12787	276	10	of	of	IN
12787	276	11	water	water	NN
12787	276	12	at	at	IN
12787	276	13	4Â	4Â	NNP
12787	276	14	°	°	NNP
12787	276	15	C	C	NNP
12787	276	16	.	.	.
12787	277	1	;	;	:
12787	277	2	but	but	CC
12787	277	3	this	this	DT
12787	277	4	is	be	VBZ
12787	277	5	obviously	obviously	RB
12787	277	6	a	a	DT
12787	277	7	lower	low	JJR
12787	277	8	temperature	temperature	NN
12787	277	9	than	than	IN
12787	277	10	that	that	DT
12787	277	11	commonly	commonly	RB
12787	277	12	found	find	VBN
12787	277	13	in	in	IN
12787	277	14	laboratories	laboratory	NNS
12787	277	15	,	,	,
12787	277	16	and	and	CC
12787	277	17	involves	involve	VBZ
12787	277	18	the	the	DT
12787	277	19	constant	constant	JJ
12787	277	20	use	use	NN
12787	277	21	of	of	IN
12787	277	22	corrections	correction	NNS
12787	277	23	if	if	IN
12787	277	24	taken	take	VBN
12787	277	25	as	as	IN
12787	277	26	a	a	DT
12787	277	27	laboratory	laboratory	NN
12787	277	28	standard	standard	NN
12787	277	29	.	.	.
12787	278	1	Many	many	JJ
12787	278	2	laboratories	laboratory	NNS
12787	278	3	use	use	VBP
12787	278	4	15.5Â	15.5â	CD
12787	278	5	°	°	,
12787	278	6	C	C	NNP
12787	278	7	.	.	.
12787	279	1	(	(	-LRB-
12787	279	2	60Â	60â	CD
12787	279	3	°	°	,
12787	279	4	F.	F.	NNP
12787	279	5	)	)	-RRB-
12787	279	6	as	as	IN
12787	279	7	the	the	DT
12787	279	8	working	working	NN
12787	279	9	standard	standard	NN
12787	279	10	.	.	.
12787	280	1	It	-PRON-	PRP
12787	280	2	is	be	VBZ
12787	280	3	plain	plain	JJ
12787	280	4	that	that	IN
12787	280	5	any	any	DT
12787	280	6	temperature	temperature	NN
12787	280	7	which	which	WDT
12787	280	8	is	be	VBZ
12787	280	9	deemed	deem	VBN
12787	280	10	most	most	RBS
12787	280	11	convenient	convenient	JJ
12787	280	12	might	may	MD
12787	280	13	be	be	VB
12787	280	14	chosen	choose	VBN
12787	280	15	for	for	IN
12787	280	16	a	a	DT
12787	280	17	particular	particular	JJ
12787	280	18	laboratory	laboratory	NN
12787	280	19	,	,	,
12787	280	20	but	but	CC
12787	280	21	it	-PRON-	PRP
12787	280	22	can	can	MD
12787	280	23	not	not	RB
12787	280	24	be	be	VB
12787	280	25	too	too	RB
12787	280	26	strongly	strongly	RB
12787	280	27	emphasized	emphasize	VBN
12787	280	28	that	that	IN
12787	280	29	all	all	DT
12787	280	30	measuring	measure	VBG
12787	280	31	instruments	instrument	NNS
12787	280	32	,	,	,
12787	280	33	including	include	VBG
12787	280	34	burettes	burette	NNS
12787	280	35	,	,	,
12787	280	36	pipettes	pipette	NNS
12787	280	37	,	,	,
12787	280	38	and	and	CC
12787	280	39	flasks	flask	NNS
12787	280	40	,	,	,
12787	280	41	should	should	MD
12787	280	42	be	be	VB
12787	280	43	calibrated	calibrate	VBN
12787	280	44	at	at	IN
12787	280	45	that	that	DT
12787	280	46	temperature	temperature	NN
12787	280	47	in	in	IN
12787	280	48	order	order	NN
12787	280	49	that	that	IN
12787	280	50	the	the	DT
12787	280	51	contents	content	NNS
12787	280	52	of	of	IN
12787	280	53	each	each	DT
12787	280	54	burette	burette	NN
12787	280	55	,	,	,
12787	280	56	pipette	pipette	NNP
12787	280	57	,	,	,
12787	280	58	etc	etc	FW
12787	280	59	.	.	FW
12787	280	60	,	,	,
12787	280	61	shall	shall	MD
12787	280	62	be	be	VB
12787	280	63	comparable	comparable	JJ
12787	280	64	with	with	IN
12787	280	65	that	that	DT
12787	280	66	of	of	IN
12787	280	67	every	every	DT
12787	280	68	other	other	JJ
12787	280	69	instrument	instrument	NN
12787	280	70	,	,	,
12787	280	71	thus	thus	RB
12787	280	72	permitting	permit	VBG
12787	280	73	general	general	JJ
12787	280	74	interchange	interchange	NN
12787	280	75	and	and	CC
12787	280	76	substitution	substitution	NN
12787	280	77	.	.	.
12787	281	1	For	for	IN
12787	281	2	example	example	NN
12787	281	3	,	,	,
12787	281	4	it	-PRON-	PRP
12787	281	5	is	be	VBZ
12787	281	6	obvious	obvious	JJ
12787	281	7	that	that	IN
12787	281	8	if	if	IN
12787	281	9	it	-PRON-	PRP
12787	281	10	is	be	VBZ
12787	281	11	desired	desire	VBN
12787	281	12	to	to	TO
12787	281	13	remove	remove	VB
12787	281	14	exactly	exactly	RB
12787	281	15	50	50	CD
12787	281	16	cc	cc	NN
12787	281	17	.	.	.
12787	282	1	from	from	IN
12787	282	2	a	a	DT
12787	282	3	solution	solution	NN
12787	282	4	which	which	WDT
12787	282	5	has	have	VBZ
12787	282	6	been	be	VBN
12787	282	7	diluted	dilute	VBN
12787	282	8	to	to	IN
12787	282	9	500	500	CD
12787	282	10	cc	cc	NN
12787	282	11	.	.	.
12787	283	1	in	in	IN
12787	283	2	a	a	DT
12787	283	3	graduated	graduated	JJ
12787	283	4	flask	flask	NN
12787	283	5	,	,	,
12787	283	6	the	the	DT
12787	283	7	50	50	CD
12787	283	8	cc	cc	NN
12787	283	9	.	.	.
12787	284	1	flask	flask	NNP
12787	284	2	or	or	CC
12787	284	3	pipette	pipette	NNP
12787	284	4	used	use	VBN
12787	284	5	to	to	TO
12787	284	6	remove	remove	VB
12787	284	7	the	the	DT
12787	284	8	fractional	fractional	JJ
12787	284	9	portion	portion	NN
12787	284	10	must	must	MD
12787	284	11	give	give	VB
12787	284	12	a	a	DT
12787	284	13	correct	correct	JJ
12787	284	14	reading	reading	NN
12787	284	15	at	at	IN
12787	284	16	the	the	DT
12787	284	17	same	same	JJ
12787	284	18	temperature	temperature	NN
12787	284	19	as	as	IN
12787	284	20	the	the	DT
12787	284	21	500	500	CD
12787	284	22	cc	cc	NN
12787	284	23	.	.	.
12787	285	1	flask	flask	NN
12787	285	2	.	.	.
12787	286	1	Similarly	similarly	RB
12787	286	2	,	,	,
12787	286	3	a	a	DT
12787	286	4	burette	burette	NN
12787	286	5	used	use	VBN
12787	286	6	for	for	IN
12787	286	7	the	the	DT
12787	286	8	titration	titration	NN
12787	286	9	of	of	IN
12787	286	10	the	the	DT
12787	286	11	50	50	CD
12787	286	12	cc	cc	NN
12787	286	13	.	.	.
12787	287	1	of	of	IN
12787	287	2	solution	solution	NN
12787	287	3	removed	remove	VBN
12787	287	4	should	should	MD
12787	287	5	be	be	VB
12787	287	6	calibrated	calibrate	VBN
12787	287	7	under	under	IN
12787	287	8	the	the	DT
12787	287	9	same	same	JJ
12787	287	10	conditions	condition	NNS
12787	287	11	as	as	IN
12787	287	12	the	the	DT
12787	287	13	measuring	measuring	NN
12787	287	14	flasks	flask	NNS
12787	287	15	or	or	CC
12787	287	16	pipettes	pipette	VBZ
12787	287	17	employed	employ	VBN
12787	287	18	with	with	IN
12787	287	19	it	-PRON-	PRP
12787	287	20	.	.	.
12787	288	1	The	the	DT
12787	288	2	student	student	NN
12787	288	3	should	should	MD
12787	288	4	also	also	RB
12787	288	5	keep	keep	VB
12787	288	6	constantly	constantly	RB
12787	288	7	in	in	IN
12787	288	8	mind	mind	NN
12787	288	9	the	the	DT
12787	288	10	fact	fact	NN
12787	288	11	that	that	IN
12787	288	12	all	all	DT
12787	288	13	volumetric	volumetric	JJ
12787	288	14	operations	operation	NNS
12787	288	15	,	,	,
12787	288	16	to	to	TO
12787	288	17	be	be	VB
12787	288	18	exact	exact	JJ
12787	288	19	,	,	,
12787	288	20	should	should	MD
12787	288	21	be	be	VB
12787	288	22	carried	carry	VBN
12787	288	23	out	out	RP
12787	288	24	as	as	RB
12787	288	25	nearly	nearly	RB
12787	288	26	at	at	IN
12787	288	27	a	a	DT
12787	288	28	constant	constant	JJ
12787	288	29	temperature	temperature	NN
12787	288	30	as	as	IN
12787	288	31	is	be	VBZ
12787	288	32	practicable	practicable	JJ
12787	288	33	.	.	.
12787	289	1	The	the	DT
12787	289	2	spot	spot	NN
12787	289	3	selected	select	VBN
12787	289	4	for	for	IN
12787	289	5	such	such	JJ
12787	289	6	work	work	NN
12787	289	7	should	should	MD
12787	289	8	therefore	therefore	RB
12787	289	9	be	be	VB
12787	289	10	subject	subject	JJ
12787	289	11	to	to	IN
12787	289	12	a	a	DT
12787	289	13	minimum	minimum	NN
12787	289	14	of	of	IN
12787	289	15	temperature	temperature	NN
12787	289	16	variations	variation	NNS
12787	289	17	,	,	,
12787	289	18	and	and	CC
12787	289	19	should	should	MD
12787	289	20	have	have	VB
12787	289	21	as	as	RB
12787	289	22	nearly	nearly	RB
12787	289	23	the	the	DT
12787	289	24	average	average	JJ
12787	289	25	temperature	temperature	NN
12787	289	26	of	of	IN
12787	289	27	the	the	DT
12787	289	28	laboratory	laboratory	NN
12787	289	29	as	as	IN
12787	289	30	is	be	VBZ
12787	289	31	possible	possible	JJ
12787	289	32	.	.	.
12787	290	1	In	in	IN
12787	290	2	all	all	DT
12787	290	3	work	work	NN
12787	290	4	,	,	,
12787	290	5	whether	whether	IN
12787	290	6	of	of	IN
12787	290	7	calibration	calibration	NN
12787	290	8	,	,	,
12787	290	9	standardization	standardization	NN
12787	290	10	,	,	,
12787	290	11	or	or	CC
12787	290	12	analysis	analysis	NN
12787	290	13	,	,	,
12787	290	14	the	the	DT
12787	290	15	temperature	temperature	NN
12787	290	16	of	of	IN
12787	290	17	the	the	DT
12787	290	18	liquids	liquid	NNS
12787	290	19	employed	employ	VBN
12787	290	20	must	must	MD
12787	290	21	be	be	VB
12787	290	22	taken	take	VBN
12787	290	23	into	into	IN
12787	290	24	account	account	NN
12787	290	25	,	,	,
12787	290	26	and	and	CC
12787	290	27	if	if	IN
12787	290	28	the	the	DT
12787	290	29	temperature	temperature	NN
12787	290	30	of	of	IN
12787	290	31	these	these	DT
12787	290	32	liquids	liquid	NNS
12787	290	33	varies	vary	VBZ
12787	290	34	more	more	JJR
12787	290	35	than	than	IN
12787	290	36	3Â	3â	NN
12787	290	37	°	°	NNS
12787	290	38	or	or	CC
12787	290	39	4Â	4â	NN
12787	290	40	°	°	NNS
12787	290	41	from	from	IN
12787	290	42	the	the	DT
12787	290	43	standard	standard	JJ
12787	290	44	temperature	temperature	NN
12787	290	45	chosen	choose	VBN
12787	290	46	for	for	IN
12787	290	47	the	the	DT
12787	290	48	laboratory	laboratory	NN
12787	290	49	,	,	,
12787	290	50	corrections	correction	NNS
12787	290	51	must	must	MD
12787	290	52	be	be	VB
12787	290	53	applied	apply	VBN
12787	290	54	for	for	IN
12787	290	55	errors	error	NNS
12787	290	56	due	due	JJ
12787	290	57	to	to	IN
12787	290	58	expansion	expansion	NN
12787	290	59	or	or	CC
12787	290	60	contraction	contraction	NN
12787	290	61	,	,	,
12787	290	62	since	since	IN
12787	290	63	volumes	volume	NNS
12787	290	64	of	of	IN
12787	290	65	a	a	DT
12787	290	66	liquid	liquid	NN
12787	290	67	measured	measure	VBN
12787	290	68	at	at	IN
12787	290	69	different	different	JJ
12787	290	70	times	time	NNS
12787	290	71	are	be	VBP
12787	290	72	comparable	comparable	JJ
12787	290	73	only	only	RB
12787	290	74	under	under	IN
12787	290	75	like	like	JJ
12787	290	76	conditions	condition	NNS
12787	290	77	as	as	IN
12787	290	78	to	to	IN
12787	290	79	temperature	temperature	NN
12787	290	80	.	.	.
12787	291	1	Data	datum	NNS
12787	291	2	to	to	TO
12787	291	3	be	be	VB
12787	291	4	used	use	VBN
12787	291	5	for	for	IN
12787	291	6	this	this	DT
12787	291	7	purpose	purpose	NN
12787	291	8	are	be	VBP
12787	291	9	given	give	VBN
12787	291	10	in	in	IN
12787	291	11	the	the	DT
12787	291	12	Appendix	Appendix	NNP
12787	291	13	.	.	.
12787	292	1	Neglect	Neglect	NNP
12787	292	2	of	of	IN
12787	292	3	this	this	DT
12787	292	4	correction	correction	NN
12787	292	5	is	be	VBZ
12787	292	6	frequently	frequently	RB
12787	292	7	an	an	DT
12787	292	8	avoidable	avoidable	JJ
12787	292	9	source	source	NN
12787	292	10	of	of	IN
12787	292	11	error	error	NN
12787	292	12	and	and	CC
12787	292	13	annoyance	annoyance	NN
12787	292	14	in	in	IN
12787	292	15	otherwise	otherwise	RB
12787	292	16	excellent	excellent	JJ
12787	292	17	work	work	NN
12787	292	18	.	.	.
12787	293	1	The	the	DT
12787	293	2	temperature	temperature	NN
12787	293	3	of	of	IN
12787	293	4	all	all	DT
12787	293	5	solutions	solution	NNS
12787	293	6	at	at	IN
12787	293	7	the	the	DT
12787	293	8	time	time	NN
12787	293	9	of	of	IN
12787	293	10	standardization	standardization	NN
12787	293	11	should	should	MD
12787	293	12	be	be	VB
12787	293	13	recorded	record	VBN
12787	293	14	to	to	TO
12787	293	15	facilitate	facilitate	VB
12787	293	16	the	the	DT
12787	293	17	application	application	NN
12787	293	18	of	of	IN
12787	293	19	temperature	temperature	NN
12787	293	20	corrections	correction	NNS
12787	293	21	,	,	,
12787	293	22	if	if	IN
12787	293	23	such	such	JJ
12787	293	24	are	be	VBP
12787	293	25	necessary	necessary	JJ
12787	293	26	at	at	IN
12787	293	27	any	any	DT
12787	293	28	later	later	JJ
12787	293	29	time	time	NN
12787	293	30	.	.	.
12787	294	1	CALIBRATION	calibration	NN
12787	294	2	OF	of	IN
12787	294	3	THE	the	DT
12787	294	4	BURETTES	burette	NNS
12787	294	5	Two	two	CD
12787	294	6	burettes	burette	NNS
12787	294	7	,	,	,
12787	294	8	one	one	CD
12787	294	9	at	at	IN
12787	294	10	least	least	JJS
12787	294	11	of	of	IN
12787	294	12	which	which	WDT
12787	294	13	should	should	MD
12787	294	14	have	have	VB
12787	294	15	a	a	DT
12787	294	16	glass	glass	NN
12787	294	17	stopper	stopper	NN
12787	294	18	,	,	,
12787	294	19	are	be	VBP
12787	294	20	required	require	VBN
12787	294	21	throughout	throughout	IN
12787	294	22	the	the	DT
12787	294	23	volumetric	volumetric	NN
12787	294	24	work	work	NN
12787	294	25	.	.	.
12787	295	1	Both	both	DT
12787	295	2	burettes	burette	NNS
12787	295	3	should	should	MD
12787	295	4	be	be	VB
12787	295	5	calibrated	calibrate	VBN
12787	295	6	by	by	IN
12787	295	7	the	the	DT
12787	295	8	student	student	NN
12787	295	9	to	to	IN
12787	295	10	whom	whom	WP
12787	295	11	they	-PRON-	PRP
12787	295	12	are	be	VBP
12787	295	13	assigned	assign	VBN
12787	295	14	.	.	.
12787	296	1	PROCEDURE.--Weigh	PROCEDURE.--Weigh	NNP
12787	296	2	a	a	DT
12787	296	3	50	50	CD
12787	296	4	cc	cc	NN
12787	296	5	.	.	NN
12787	296	6	,	,	,
12787	296	7	flat	flat	JJ
12787	296	8	-	-	HYPH
12787	296	9	bottomed	bottom	VBN
12787	296	10	flask	flask	NN
12787	296	11	(	(	-LRB-
12787	296	12	preferably	preferably	RB
12787	296	13	a	a	DT
12787	296	14	light	light	JJ
12787	296	15	-	-	HYPH
12787	296	16	weight	weight	NN
12787	296	17	flask	flask	NN
12787	296	18	)	)	-RRB-
12787	296	19	,	,	,
12787	296	20	which	which	WDT
12787	296	21	must	must	MD
12787	296	22	be	be	VB
12787	296	23	dry	dry	JJ
12787	296	24	on	on	IN
12787	296	25	the	the	DT
12787	296	26	outside	outside	NN
12787	296	27	,	,	,
12787	296	28	to	to	IN
12787	296	29	the	the	DT
12787	296	30	nearest	near	JJS
12787	296	31	centigram	centigram	NN
12787	296	32	.	.	.
12787	297	1	Record	record	VB
12787	297	2	the	the	DT
12787	297	3	weight	weight	NN
12787	297	4	in	in	IN
12787	297	5	the	the	DT
12787	297	6	notebook	notebook	NN
12787	297	7	.	.	.
12787	298	1	(	(	-LRB-
12787	298	2	See	see	VB
12787	298	3	Appendix	Appendix	NNP
12787	298	4	for	for	IN
12787	298	5	suggestions	suggestion	NNS
12787	298	6	as	as	IN
12787	298	7	to	to	IN
12787	298	8	records	record	NNS
12787	298	9	.	.	.
12787	298	10	)	)	-RRB-
12787	299	1	Place	place	VB
12787	299	2	the	the	DT
12787	299	3	flask	flask	NN
12787	299	4	under	under	IN
12787	299	5	the	the	DT
12787	299	6	burette	burette	NN
12787	299	7	and	and	CC
12787	299	8	draw	draw	VB
12787	299	9	out	out	RP
12787	299	10	into	into	IN
12787	299	11	it	-PRON-	PRP
12787	299	12	about	about	RB
12787	299	13	10	10	CD
12787	299	14	cc	cc	NN
12787	299	15	.	.	.
12787	300	1	of	of	IN
12787	300	2	water	water	NN
12787	300	3	,	,	,
12787	300	4	removing	remove	VBG
12787	300	5	any	any	DT
12787	300	6	drop	drop	NN
12787	300	7	on	on	IN
12787	300	8	the	the	DT
12787	300	9	tip	tip	NN
12787	300	10	by	by	IN
12787	300	11	touching	touch	VBG
12787	300	12	it	-PRON-	PRP
12787	300	13	against	against	IN
12787	300	14	the	the	DT
12787	300	15	inside	inside	NN
12787	300	16	of	of	IN
12787	300	17	the	the	DT
12787	300	18	neck	neck	NN
12787	300	19	of	of	IN
12787	300	20	the	the	DT
12787	300	21	flask	flask	NN
12787	300	22	.	.	.
12787	301	1	Do	do	VB
12787	301	2	not	not	RB
12787	301	3	attempt	attempt	VB
12787	301	4	to	to	TO
12787	301	5	stop	stop	VB
12787	301	6	exactly	exactly	RB
12787	301	7	at	at	IN
12787	301	8	the	the	DT
12787	301	9	10	10	CD
12787	301	10	cc	cc	NN
12787	301	11	.	.	.
12787	302	1	mark	mark	NNP
12787	302	2	,	,	,
12787	302	3	but	but	CC
12787	302	4	do	do	VBP
12787	302	5	not	not	RB
12787	302	6	vary	vary	VB
12787	302	7	more	more	JJR
12787	302	8	than	than	IN
12787	302	9	0.1	0.1	CD
12787	302	10	cc	cc	NN
12787	302	11	.	.	.
12787	303	1	from	from	IN
12787	303	2	it	-PRON-	PRP
12787	303	3	.	.	.
12787	304	1	Note	note	VB
12787	304	2	the	the	DT
12787	304	3	time	time	NN
12787	304	4	,	,	,
12787	304	5	and	and	CC
12787	304	6	at	at	IN
12787	304	7	the	the	DT
12787	304	8	expiration	expiration	NN
12787	304	9	of	of	IN
12787	304	10	three	three	CD
12787	304	11	minutes	minute	NNS
12787	304	12	(	(	-LRB-
12787	304	13	or	or	CC
12787	304	14	longer	long	RBR
12787	304	15	)	)	-RRB-
12787	304	16	read	read	VB
12787	304	17	the	the	DT
12787	304	18	burette	burette	NN
12787	304	19	accurately	accurately	RB
12787	304	20	,	,	,
12787	304	21	and	and	CC
12787	304	22	record	record	VB
12787	304	23	the	the	DT
12787	304	24	reading	reading	NN
12787	304	25	in	in	IN
12787	304	26	the	the	DT
12787	304	27	notebook	notebook	NN
12787	304	28	(	(	-LRB-
12787	304	29	Note	note	NN
12787	304	30	1	1	CD
12787	304	31	)	)	-RRB-
12787	304	32	.	.	.
12787	305	1	Meanwhile	meanwhile	RB
12787	305	2	weigh	weigh	VBP
12787	305	3	the	the	DT
12787	305	4	flask	flask	NN
12787	305	5	and	and	CC
12787	305	6	water	water	NN
12787	305	7	to	to	IN
12787	305	8	centigrams	centigram	NNS
12787	305	9	and	and	CC
12787	305	10	record	record	VB
12787	305	11	its	-PRON-	PRP$
12787	305	12	weight	weight	NN
12787	305	13	(	(	-LRB-
12787	305	14	Note	note	NN
12787	305	15	2	2	CD
12787	305	16	)	)	-RRB-
12787	305	17	.	.	.
12787	306	1	Draw	draw	VB
12787	306	2	off	off	RP
12787	306	3	the	the	DT
12787	306	4	liquid	liquid	NN
12787	306	5	from	from	IN
12787	306	6	10	10	CD
12787	306	7	cc	cc	NN
12787	306	8	.	.	.
12787	307	1	to	to	IN
12787	307	2	about	about	RB
12787	307	3	20	20	CD
12787	307	4	cc	cc	NN
12787	307	5	.	.	.
12787	308	1	into	into	IN
12787	308	2	the	the	DT
12787	308	3	same	same	JJ
12787	308	4	flask	flask	NN
12787	308	5	without	without	IN
12787	308	6	emptying	empty	VBG
12787	308	7	it	-PRON-	PRP
12787	308	8	;	;	:
12787	308	9	weigh	weigh	VB
12787	308	10	,	,	,
12787	308	11	and	and	CC
12787	308	12	at	at	IN
12787	308	13	the	the	DT
12787	308	14	expiration	expiration	NN
12787	308	15	of	of	IN
12787	308	16	three	three	CD
12787	308	17	minutes	minute	NNS
12787	308	18	take	take	VBP
12787	308	19	the	the	DT
12787	308	20	reading	reading	NN
12787	308	21	,	,	,
12787	308	22	and	and	CC
12787	308	23	so	so	RB
12787	308	24	on	on	RB
12787	308	25	throughout	throughout	IN
12787	308	26	the	the	DT
12787	308	27	length	length	NN
12787	308	28	of	of	IN
12787	308	29	the	the	DT
12787	308	30	burette	burette	NN
12787	308	31	.	.	.
12787	309	1	When	when	WRB
12787	309	2	it	-PRON-	PRP
12787	309	3	is	be	VBZ
12787	309	4	completed	complete	VBN
12787	309	5	,	,	,
12787	309	6	refill	refill	VB
12787	309	7	the	the	DT
12787	309	8	burette	burette	NN
12787	309	9	and	and	CC
12787	309	10	check	check	VB
12787	309	11	the	the	DT
12787	309	12	first	first	JJ
12787	309	13	calibration	calibration	NN
12787	309	14	.	.	.
12787	310	1	The	the	DT
12787	310	2	differences	difference	NNS
12787	310	3	in	in	IN
12787	310	4	readings	reading	NNS
12787	310	5	represent	represent	VBP
12787	310	6	the	the	DT
12787	310	7	apparent	apparent	JJ
12787	310	8	volumes	volume	NNS
12787	310	9	,	,	,
12787	310	10	the	the	DT
12787	310	11	differences	difference	NNS
12787	310	12	in	in	IN
12787	310	13	weights	weight	NNS
12787	310	14	the	the	DT
12787	310	15	true	true	JJ
12787	310	16	volumes	volume	NNS
12787	310	17	.	.	.
12787	311	1	For	for	IN
12787	311	2	example	example	NN
12787	311	3	,	,	,
12787	311	4	if	if	IN
12787	311	5	an	an	DT
12787	311	6	apparent	apparent	JJ
12787	311	7	volume	volume	NN
12787	311	8	of	of	IN
12787	311	9	10.05	10.05	CD
12787	311	10	cc	cc	NN
12787	311	11	.	.	.
12787	312	1	is	be	VBZ
12787	312	2	found	find	VBN
12787	312	3	to	to	TO
12787	312	4	weigh	weigh	VB
12787	312	5	10.03	10.03	CD
12787	312	6	grams	gram	NNS
12787	312	7	,	,	,
12787	312	8	it	-PRON-	PRP
12787	312	9	may	may	MD
12787	312	10	be	be	VB
12787	312	11	assumed	assume	VBN
12787	312	12	with	with	IN
12787	312	13	sufficient	sufficient	JJ
12787	312	14	accuracy	accuracy	NN
12787	312	15	that	that	WDT
12787	312	16	the	the	DT
12787	312	17	error	error	NN
12787	312	18	in	in	IN
12787	312	19	that	that	DT
12787	312	20	10	10	CD
12787	312	21	cc	cc	NN
12787	312	22	.	.	.
12787	313	1	amounts	amount	VBZ
12787	313	2	to	to	IN
12787	313	3	-0.02	-0.02	NNP
12787	313	4	cc	cc	NNP
12787	313	5	.	.	NNP
12787	313	6	,	,	,
12787	313	7	or	or	CC
12787	313	8	-0.002	-0.002	NNP
12787	313	9	for	for	IN
12787	313	10	each	each	DT
12787	313	11	cubic	cubic	JJ
12787	313	12	centimeter	centimeter	NN
12787	313	13	(	(	-LRB-
12787	313	14	Note	note	NN
12787	313	15	3	3	CD
12787	313	16	)	)	-RRB-
12787	313	17	.	.	.
12787	314	1	In	in	IN
12787	314	2	the	the	DT
12787	314	3	calculation	calculation	NN
12787	314	4	of	of	IN
12787	314	5	corrections	correction	NNS
12787	314	6	the	the	DT
12787	314	7	temperature	temperature	NN
12787	314	8	of	of	IN
12787	314	9	the	the	DT
12787	314	10	water	water	NN
12787	314	11	must	must	MD
12787	314	12	be	be	VB
12787	314	13	taken	take	VBN
12787	314	14	into	into	IN
12787	314	15	account	account	NN
12787	314	16	,	,	,
12787	314	17	if	if	IN
12787	314	18	this	this	DT
12787	314	19	varies	vary	VBZ
12787	314	20	more	more	JJR
12787	314	21	than	than	IN
12787	314	22	4Â	4Â	NNP
12787	314	23	°	°	,
12787	314	24	C	C	NNP
12787	314	25	.	.	.
12787	315	1	from	from	IN
12787	315	2	the	the	DT
12787	315	3	laboratory	laboratory	NN
12787	315	4	standard	standard	JJ
12787	315	5	temperature	temperature	NN
12787	315	6	,	,	,
12787	315	7	consulting	consult	VBG
12787	315	8	the	the	DT
12787	315	9	table	table	NN
12787	315	10	of	of	IN
12787	315	11	densities	density	NNS
12787	315	12	of	of	IN
12787	315	13	water	water	NN
12787	315	14	in	in	IN
12787	315	15	the	the	DT
12787	315	16	Appendix	Appendix	NNP
12787	315	17	.	.	.
12787	316	1	From	from	IN
12787	316	2	the	the	DT
12787	316	3	final	final	JJ
12787	316	4	data	datum	NNS
12787	316	5	,	,	,
12787	316	6	plot	plot	VB
12787	316	7	the	the	DT
12787	316	8	corrections	correction	NNS
12787	316	9	to	to	TO
12787	316	10	be	be	VB
12787	316	11	applied	apply	VBN
12787	316	12	so	so	IN
12787	316	13	that	that	IN
12787	316	14	they	-PRON-	PRP
12787	316	15	may	may	MD
12787	316	16	be	be	VB
12787	316	17	easily	easily	RB
12787	316	18	read	read	VBN
12787	316	19	for	for	IN
12787	316	20	each	each	DT
12787	316	21	cubic	cubic	JJ
12787	316	22	centimeter	centimeter	NN
12787	316	23	throughout	throughout	IN
12787	316	24	the	the	DT
12787	316	25	burette	burette	NN
12787	316	26	.	.	.
12787	317	1	The	the	DT
12787	317	2	total	total	JJ
12787	317	3	correction	correction	NN
12787	317	4	at	at	IN
12787	317	5	each	each	DT
12787	317	6	10	10	CD
12787	317	7	cc	cc	NN
12787	317	8	.	.	.
12787	318	1	may	may	MD
12787	318	2	also	also	RB
12787	318	3	be	be	VB
12787	318	4	written	write	VBN
12787	318	5	on	on	IN
12787	318	6	the	the	DT
12787	318	7	burette	burette	NN
12787	318	8	with	with	IN
12787	318	9	a	a	DT
12787	318	10	diamond	diamond	NN
12787	318	11	,	,	,
12787	318	12	or	or	CC
12787	318	13	etching	etch	VBG
12787	318	14	ink	ink	NN
12787	318	15	,	,	,
12787	318	16	for	for	IN
12787	318	17	permanence	permanence	NN
12787	318	18	of	of	IN
12787	318	19	record	record	NN
12787	318	20	.	.	.
12787	319	1	[	[	-LRB-
12787	319	2	Note	note	NN
12787	319	3	1	1	CD
12787	319	4	:	:	:
12787	319	5	A	a	DT
12787	319	6	small	small	JJ
12787	319	7	quantity	quantity	NN
12787	319	8	of	of	IN
12787	319	9	liquid	liquid	NN
12787	319	10	at	at	IN
12787	319	11	first	first	JJ
12787	319	12	adheres	adhere	NNS
12787	319	13	to	to	IN
12787	319	14	the	the	DT
12787	319	15	side	side	NN
12787	319	16	of	of	IN
12787	319	17	even	even	RB
12787	319	18	a	a	DT
12787	319	19	clean	clean	JJ
12787	319	20	burette	burette	NN
12787	319	21	.	.	.
12787	320	1	This	this	DT
12787	320	2	slowly	slowly	RB
12787	320	3	unites	unite	VBZ
12787	320	4	with	with	IN
12787	320	5	the	the	DT
12787	320	6	main	main	JJ
12787	320	7	body	body	NN
12787	320	8	of	of	IN
12787	320	9	liquid	liquid	NN
12787	320	10	,	,	,
12787	320	11	but	but	CC
12787	320	12	requires	require	VBZ
12787	320	13	an	an	DT
12787	320	14	appreciable	appreciable	JJ
12787	320	15	time	time	NN
12787	320	16	.	.	.
12787	321	1	Three	three	CD
12787	321	2	minutes	minute	NNS
12787	321	3	is	be	VBZ
12787	321	4	a	a	DT
12787	321	5	sufficient	sufficient	JJ
12787	321	6	interval	interval	NN
12787	321	7	,	,	,
12787	321	8	but	but	CC
12787	321	9	not	not	RB
12787	321	10	too	too	RB
12787	321	11	long	long	JJ
12787	321	12	,	,	,
12787	321	13	and	and	CC
12787	321	14	should	should	MD
12787	321	15	be	be	VB
12787	321	16	adopted	adopt	VBN
12787	321	17	in	in	IN
12787	321	18	every	every	DT
12787	321	19	instance	instance	NN
12787	321	20	throughout	throughout	IN
12787	321	21	the	the	DT
12787	321	22	whole	whole	JJ
12787	321	23	volumetric	volumetric	NN
12787	321	24	practice	practice	NN
12787	321	25	before	before	IN
12787	321	26	final	final	JJ
12787	321	27	readings	reading	NNS
12787	321	28	are	be	VBP
12787	321	29	recorded	record	VBN
12787	321	30	.	.	.
12787	321	31	]	]	-RRB-
12787	322	1	[	[	-LRB-
12787	322	2	Note	note	NN
12787	322	3	2	2	CD
12787	322	4	:	:	:
12787	322	5	A	a	DT
12787	322	6	comparatively	comparatively	RB
12787	322	7	rough	rough	JJ
12787	322	8	balance	balance	NN
12787	322	9	,	,	,
12787	322	10	capable	capable	JJ
12787	322	11	of	of	IN
12787	322	12	weighing	weigh	VBG
12787	322	13	to	to	IN
12787	322	14	centigrams	centigram	NNS
12787	322	15	,	,	,
12787	322	16	is	be	VBZ
12787	322	17	sufficiently	sufficiently	RB
12787	322	18	accurate	accurate	JJ
12787	322	19	for	for	IN
12787	322	20	use	use	NN
12787	322	21	in	in	IN
12787	322	22	calibrations	calibration	NNS
12787	322	23	,	,	,
12787	322	24	for	for	IN
12787	322	25	a	a	DT
12787	322	26	moment	moment	NN
12787	322	27	's	's	POS
12787	322	28	reflection	reflection	NN
12787	322	29	will	will	MD
12787	322	30	show	show	VB
12787	322	31	that	that	IN
12787	322	32	it	-PRON-	PRP
12787	322	33	would	would	MD
12787	322	34	be	be	VB
12787	322	35	useless	useless	JJ
12787	322	36	to	to	TO
12787	322	37	weigh	weigh	VB
12787	322	38	the	the	DT
12787	322	39	water	water	NN
12787	322	40	with	with	IN
12787	322	41	an	an	DT
12787	322	42	accuracy	accuracy	NN
12787	322	43	greater	great	JJR
12787	322	44	than	than	IN
12787	322	45	that	that	DT
12787	322	46	of	of	IN
12787	322	47	the	the	DT
12787	322	48	readings	reading	NNS
12787	322	49	taken	take	VBN
12787	322	50	on	on	IN
12787	322	51	the	the	DT
12787	322	52	burette	burette	NN
12787	322	53	.	.	.
12787	323	1	The	the	DT
12787	323	2	latter	latter	JJ
12787	323	3	can	can	MD
12787	323	4	not	not	RB
12787	323	5	exceed	exceed	VB
12787	323	6	0.01	0.01	CD
12787	323	7	cc	cc	NNP
12787	323	8	.	.	.
12787	324	1	in	in	IN
12787	324	2	accuracy	accuracy	NN
12787	324	3	,	,	,
12787	324	4	which	which	WDT
12787	324	5	corresponds	correspond	VBZ
12787	324	6	to	to	IN
12787	324	7	0.01	0.01	CD
12787	324	8	gram	gram	NN
12787	324	9	.	.	.
12787	325	1	The	the	DT
12787	325	2	student	student	NN
12787	325	3	should	should	MD
12787	325	4	clearly	clearly	RB
12787	325	5	understand	understand	VB
12787	325	6	that	that	DT
12787	325	7	!	!	.
12787	325	8	all	all	DT
12787	325	9	other	other	JJ
12787	325	10	weighings	weighing	NNS
12787	325	11	!	!	.
12787	325	12	,	,	,
12787	325	13	except	except	IN
12787	325	14	those	those	DT
12787	325	15	for	for	IN
12787	325	16	calibration	calibration	NN
12787	325	17	,	,	,
12787	325	18	should	should	MD
12787	325	19	be	be	VB
12787	325	20	made	make	VBN
12787	325	21	accurately	accurately	RB
12787	325	22	to	to	IN
12787	325	23	0.0001	0.0001	CD
12787	325	24	gram	gram	NN
12787	325	25	,	,	,
12787	325	26	unless	unless	IN
12787	325	27	special	special	JJ
12787	325	28	directions	direction	NNS
12787	325	29	are	be	VBP
12787	325	30	given	give	VBN
12787	325	31	to	to	IN
12787	325	32	the	the	DT
12787	325	33	contrary	contrary	NN
12787	325	34	.	.	.
12787	326	1	Corrections	correction	NNS
12787	326	2	for	for	IN
12787	326	3	temperature	temperature	NN
12787	326	4	variations	variation	NNS
12787	326	5	of	of	IN
12787	326	6	less	less	JJR
12787	326	7	than	than	IN
12787	326	8	4Â	4Â	NNP
12787	326	9	°	°	,
12787	326	10	C	C	NNP
12787	326	11	.	.	.
12787	327	1	are	be	VBP
12787	327	2	negligible	negligible	JJ
12787	327	3	,	,	,
12787	327	4	as	as	IN
12787	327	5	they	-PRON-	PRP
12787	327	6	amount	amount	VBP
12787	327	7	to	to	IN
12787	327	8	less	less	JJR
12787	327	9	than	than	IN
12787	327	10	0.01	0.01	CD
12787	327	11	gram	gram	NN
12787	327	12	for	for	IN
12787	327	13	each	each	DT
12787	327	14	10	10	CD
12787	327	15	grams	gram	NNS
12787	327	16	of	of	IN
12787	327	17	water	water	NN
12787	327	18	withdrawn	withdraw	VBN
12787	327	19	.	.	.
12787	327	20	]	]	-RRB-
12787	328	1	[	[	-LRB-
12787	328	2	Note	note	NN
12787	328	3	3	3	CD
12787	328	4	:	:	:
12787	328	5	Should	Should	MD
12787	328	6	the	the	DT
12787	328	7	error	error	NN
12787	328	8	discovered	discover	VBN
12787	328	9	in	in	IN
12787	328	10	any	any	DT
12787	328	11	interval	interval	NN
12787	328	12	of	of	IN
12787	328	13	10	10	CD
12787	328	14	cc	cc	NN
12787	328	15	.	.	.
12787	329	1	on	on	IN
12787	329	2	the	the	DT
12787	329	3	burette	burette	NNP
12787	329	4	exceed	exceed	VBP
12787	329	5	0.10	0.10	CD
12787	329	6	cc	cc	NNP
12787	329	7	.	.	NNP
12787	329	8	,	,	,
12787	329	9	it	-PRON-	PRP
12787	329	10	is	be	VBZ
12787	329	11	advisable	advisable	JJ
12787	329	12	to	to	TO
12787	329	13	weigh	weigh	VB
12787	329	14	small	small	JJ
12787	329	15	portions	portion	NNS
12787	329	16	(	(	-LRB-
12787	329	17	even	even	RB
12787	329	18	1	1	CD
12787	329	19	cc	cc	NNP
12787	329	20	.	.	.
12787	329	21	)	)	-RRB-
12787	330	1	to	to	TO
12787	330	2	locate	locate	VB
12787	330	3	the	the	DT
12787	330	4	position	position	NN
12787	330	5	of	of	IN
12787	330	6	the	the	DT
12787	330	7	variation	variation	NN
12787	330	8	of	of	IN
12787	330	9	bore	bore	NN
12787	330	10	in	in	IN
12787	330	11	the	the	DT
12787	330	12	tube	tube	NN
12787	330	13	rather	rather	RB
12787	330	14	than	than	IN
12787	330	15	to	to	TO
12787	330	16	distribute	distribute	VB
12787	330	17	the	the	DT
12787	330	18	correction	correction	NN
12787	330	19	uniformly	uniformly	JJ
12787	330	20	over	over	IN
12787	330	21	the	the	DT
12787	330	22	corresponding	corresponding	JJ
12787	330	23	10	10	CD
12787	330	24	cc	cc	NN
12787	330	25	.	.	.
12787	331	1	The	the	DT
12787	331	2	latter	latter	NN
12787	331	3	is	be	VBZ
12787	331	4	the	the	DT
12787	331	5	usual	usual	JJ
12787	331	6	course	course	NN
12787	331	7	for	for	IN
12787	331	8	small	small	JJ
12787	331	9	corrections	correction	NNS
12787	331	10	,	,	,
12787	331	11	and	and	CC
12787	331	12	it	-PRON-	PRP
12787	331	13	is	be	VBZ
12787	331	14	convenient	convenient	JJ
12787	331	15	to	to	TO
12787	331	16	calculate	calculate	VB
12787	331	17	the	the	DT
12787	331	18	correction	correction	NN
12787	331	19	corresponding	correspond	VBG
12787	331	20	to	to	IN
12787	331	21	each	each	DT
12787	331	22	cubic	cubic	JJ
12787	331	23	centimeter	centimeter	NN
12787	331	24	and	and	CC
12787	331	25	to	to	TO
12787	331	26	record	record	VB
12787	331	27	it	-PRON-	PRP
12787	331	28	in	in	IN
12787	331	29	the	the	DT
12787	331	30	form	form	NN
12787	331	31	of	of	IN
12787	331	32	a	a	DT
12787	331	33	table	table	NN
12787	331	34	or	or	CC
12787	331	35	calibration	calibration	NN
12787	331	36	card	card	NN
12787	331	37	,	,	,
12787	331	38	or	or	CC
12787	331	39	to	to	TO
12787	331	40	plot	plot	VB
12787	331	41	a	a	DT
12787	331	42	curve	curve	NN
12787	331	43	representing	represent	VBG
12787	331	44	the	the	DT
12787	331	45	values	value	NNS
12787	331	46	.	.	.
12787	332	1	Burettes	burette	NNS
12787	332	2	may	may	MD
12787	332	3	also	also	RB
12787	332	4	be	be	VB
12787	332	5	calibrated	calibrate	VBN
12787	332	6	by	by	IN
12787	332	7	drawing	draw	VBG
12787	332	8	off	off	RP
12787	332	9	the	the	DT
12787	332	10	liquid	liquid	NN
12787	332	11	in	in	IN
12787	332	12	successive	successive	JJ
12787	332	13	portions	portion	NNS
12787	332	14	through	through	IN
12787	332	15	a	a	DT
12787	332	16	5	5	CD
12787	332	17	cc	cc	NN
12787	332	18	.	.	.
12787	333	1	pipette	pipette	NNP
12787	333	2	which	which	WDT
12787	333	3	has	have	VBZ
12787	333	4	been	be	VBN
12787	333	5	accurately	accurately	RB
12787	333	6	calibrated	calibrate	VBN
12787	333	7	,	,	,
12787	333	8	as	as	IN
12787	333	9	a	a	DT
12787	333	10	substitute	substitute	NN
12787	333	11	for	for	IN
12787	333	12	weighing	weigh	VBG
12787	333	13	.	.	.
12787	334	1	If	if	IN
12787	334	2	many	many	JJ
12787	334	3	burettes	burette	NNS
12787	334	4	are	be	VBP
12787	334	5	to	to	TO
12787	334	6	be	be	VB
12787	334	7	tested	test	VBN
12787	334	8	,	,	,
12787	334	9	this	this	DT
12787	334	10	is	be	VBZ
12787	334	11	a	a	DT
12787	334	12	more	more	RBR
12787	334	13	rapid	rapid	JJ
12787	334	14	method	method	NN
12787	334	15	.	.	.
12787	334	16	]	]	-RRB-
12787	335	1	PIPETTES	PIPETTES	NNP
12787	335	2	A	a	DT
12787	335	3	!	!	.
12787	335	4	pipette	pipette	NNP
12787	335	5	!	!	.
12787	336	1	may	may	MD
12787	336	2	consist	consist	VB
12787	336	3	of	of	IN
12787	336	4	a	a	DT
12787	336	5	narrow	narrow	JJ
12787	336	6	tube	tube	NN
12787	336	7	,	,	,
12787	336	8	in	in	IN
12787	336	9	the	the	DT
12787	336	10	middle	middle	NN
12787	336	11	of	of	IN
12787	336	12	which	which	WDT
12787	336	13	is	be	VBZ
12787	336	14	blown	blow	VBN
12787	336	15	a	a	DT
12787	336	16	bulb	bulb	NN
12787	336	17	of	of	IN
12787	336	18	a	a	DT
12787	336	19	capacity	capacity	NN
12787	336	20	a	a	DT
12787	336	21	little	little	JJ
12787	336	22	less	less	JJR
12787	336	23	than	than	IN
12787	336	24	that	that	DT
12787	336	25	which	which	WDT
12787	336	26	it	-PRON-	PRP
12787	336	27	is	be	VBZ
12787	336	28	desired	desire	VBN
12787	336	29	to	to	TO
12787	336	30	measure	measure	VB
12787	336	31	by	by	IN
12787	336	32	the	the	DT
12787	336	33	pipette	pipette	NN
12787	336	34	;	;	,
12787	336	35	or	or	CC
12787	336	36	it	-PRON-	PRP
12787	336	37	may	may	MD
12787	336	38	be	be	VB
12787	336	39	a	a	DT
12787	336	40	miniature	miniature	JJ
12787	336	41	burette	burette	NN
12787	336	42	,	,	,
12787	336	43	without	without	IN
12787	336	44	the	the	DT
12787	336	45	stopcock	stopcock	NN
12787	336	46	or	or	CC
12787	336	47	rubber	rubber	NN
12787	336	48	tip	tip	NN
12787	336	49	at	at	IN
12787	336	50	the	the	DT
12787	336	51	lower	low	JJR
12787	336	52	extremity	extremity	NN
12787	336	53	.	.	.
12787	337	1	In	in	IN
12787	337	2	either	either	DT
12787	337	3	case	case	NN
12787	337	4	,	,	,
12787	337	5	the	the	DT
12787	337	6	flow	flow	NN
12787	337	7	of	of	IN
12787	337	8	liquid	liquid	NN
12787	337	9	is	be	VBZ
12787	337	10	regulated	regulate	VBN
12787	337	11	by	by	IN
12787	337	12	the	the	DT
12787	337	13	pressure	pressure	NN
12787	337	14	of	of	IN
12787	337	15	the	the	DT
12787	337	16	finger	finger	NN
12787	337	17	on	on	IN
12787	337	18	the	the	DT
12787	337	19	top	top	NN
12787	337	20	,	,	,
12787	337	21	which	which	WDT
12787	337	22	governs	govern	VBZ
12787	337	23	the	the	DT
12787	337	24	admission	admission	NN
12787	337	25	of	of	IN
12787	337	26	the	the	DT
12787	337	27	air	air	NN
12787	337	28	.	.	.
12787	338	1	Pipettes	pipette	NNS
12787	338	2	are	be	VBP
12787	338	3	usually	usually	RB
12787	338	4	already	already	RB
12787	338	5	graduated	graduate	VBN
12787	338	6	when	when	WRB
12787	338	7	purchased	purchase	VBN
12787	338	8	,	,	,
12787	338	9	but	but	CC
12787	338	10	they	-PRON-	PRP
12787	338	11	require	require	VBP
12787	338	12	calibration	calibration	NN
12787	338	13	for	for	IN
12787	338	14	accurate	accurate	JJ
12787	338	15	work	work	NN
12787	338	16	.	.	.
12787	339	1	CALIBRATION	calibration	NN
12787	339	2	OF	of	IN
12787	339	3	PIPETTES	PIPETTES	NNP
12787	339	4	PROCEDURE.--Clean	PROCEDURE.--Clean	VBD
12787	339	5	the	the	DT
12787	339	6	pipette	pipette	NN
12787	339	7	.	.	.
12787	340	1	Draw	draw	VB
12787	340	2	distilled	distil	VBD
12787	340	3	water	water	NN
12787	340	4	into	into	IN
12787	340	5	it	-PRON-	PRP
12787	340	6	by	by	IN
12787	340	7	sucking	suck	VBG
12787	340	8	at	at	IN
12787	340	9	the	the	DT
12787	340	10	upper	upper	JJ
12787	340	11	end	end	NN
12787	340	12	until	until	IN
12787	340	13	the	the	DT
12787	340	14	water	water	NN
12787	340	15	is	be	VBZ
12787	340	16	well	well	RB
12787	340	17	above	above	IN
12787	340	18	the	the	DT
12787	340	19	graduation	graduation	NN
12787	340	20	mark	mark	NN
12787	340	21	.	.	.
12787	341	1	Quickly	quickly	RB
12787	341	2	place	place	VB
12787	341	3	the	the	DT
12787	341	4	forefinger	forefinger	NN
12787	341	5	over	over	IN
12787	341	6	the	the	DT
12787	341	7	top	top	NN
12787	341	8	of	of	IN
12787	341	9	the	the	DT
12787	341	10	tube	tube	NN
12787	341	11	,	,	,
12787	341	12	thus	thus	RB
12787	341	13	preventing	prevent	VBG
12787	341	14	the	the	DT
12787	341	15	entrance	entrance	NN
12787	341	16	of	of	IN
12787	341	17	air	air	NN
12787	341	18	and	and	CC
12787	341	19	holding	hold	VBG
12787	341	20	the	the	DT
12787	341	21	water	water	NN
12787	341	22	in	in	IN
12787	341	23	the	the	DT
12787	341	24	pipette	pipette	NN
12787	341	25	.	.	.
12787	342	1	Cautiously	cautiously	RB
12787	342	2	admit	admit	VBP
12787	342	3	a	a	DT
12787	342	4	little	little	JJ
12787	342	5	air	air	NN
12787	342	6	by	by	IN
12787	342	7	releasing	release	VBG
12787	342	8	the	the	DT
12787	342	9	pressure	pressure	NN
12787	342	10	of	of	IN
12787	342	11	the	the	DT
12787	342	12	finger	finger	NN
12787	342	13	,	,	,
12787	342	14	and	and	CC
12787	342	15	allow	allow	VB
12787	342	16	the	the	DT
12787	342	17	level	level	NN
12787	342	18	of	of	IN
12787	342	19	the	the	DT
12787	342	20	water	water	NN
12787	342	21	to	to	TO
12787	342	22	fall	fall	VB
12787	342	23	until	until	IN
12787	342	24	the	the	DT
12787	342	25	lowest	low	JJS
12787	342	26	point	point	NN
12787	342	27	of	of	IN
12787	342	28	the	the	DT
12787	342	29	meniscus	meniscus	NN
12787	342	30	is	be	VBZ
12787	342	31	level	level	NN
12787	342	32	with	with	IN
12787	342	33	the	the	DT
12787	342	34	graduation	graduation	NN
12787	342	35	.	.	.
12787	343	1	Hold	hold	VB
12787	343	2	the	the	DT
12787	343	3	water	water	NN
12787	343	4	at	at	IN
12787	343	5	that	that	DT
12787	343	6	point	point	NN
12787	343	7	by	by	IN
12787	343	8	pressure	pressure	NN
12787	343	9	of	of	IN
12787	343	10	the	the	DT
12787	343	11	finger	finger	NN
12787	343	12	and	and	CC
12787	343	13	then	then	RB
12787	343	14	allow	allow	VB
12787	343	15	the	the	DT
12787	343	16	water	water	NN
12787	343	17	to	to	TO
12787	343	18	run	run	VB
12787	343	19	out	out	RP
12787	343	20	from	from	IN
12787	343	21	the	the	DT
12787	343	22	pipette	pipette	NN
12787	343	23	into	into	IN
12787	343	24	a	a	DT
12787	343	25	small	small	JJ
12787	343	26	tared	tar	VBN
12787	343	27	,	,	,
12787	343	28	or	or	CC
12787	343	29	weighed	weigh	VBD
12787	343	30	,	,	,
12787	343	31	beaker	beaker	NN
12787	343	32	or	or	CC
12787	343	33	flask	flask	NN
12787	343	34	.	.	.
12787	344	1	After	after	IN
12787	344	2	a	a	DT
12787	344	3	definite	definite	JJ
12787	344	4	time	time	NN
12787	344	5	interval	interval	NN
12787	344	6	,	,	,
12787	344	7	usually	usually	RB
12787	344	8	two	two	CD
12787	344	9	to	to	TO
12787	344	10	three	three	CD
12787	344	11	minutes	minute	NNS
12787	344	12	,	,	,
12787	344	13	touch	touch	VB
12787	344	14	the	the	DT
12787	344	15	end	end	NN
12787	344	16	of	of	IN
12787	344	17	the	the	DT
12787	344	18	pipette	pipette	NN
12787	344	19	against	against	IN
12787	344	20	the	the	DT
12787	344	21	side	side	NN
12787	344	22	of	of	IN
12787	344	23	the	the	DT
12787	344	24	beaker	beaker	NN
12787	344	25	or	or	CC
12787	344	26	flask	flask	NN
12787	344	27	to	to	TO
12787	344	28	remove	remove	VB
12787	344	29	any	any	DT
12787	344	30	liquid	liquid	NN
12787	344	31	adhering	adhere	VBG
12787	344	32	to	to	IN
12787	344	33	it	-PRON-	PRP
12787	344	34	(	(	-LRB-
12787	344	35	Note	note	NN
12787	344	36	1	1	CD
12787	344	37	)	)	-RRB-
12787	344	38	.	.	.
12787	345	1	The	the	DT
12787	345	2	increase	increase	NN
12787	345	3	in	in	IN
12787	345	4	weight	weight	NN
12787	345	5	of	of	IN
12787	345	6	the	the	DT
12787	345	7	flask	flask	NN
12787	345	8	in	in	IN
12787	345	9	grams	gram	NNS
12787	345	10	represents	represent	VBZ
12787	345	11	the	the	DT
12787	345	12	volume	volume	NN
12787	345	13	of	of	IN
12787	345	14	the	the	DT
12787	345	15	water	water	NN
12787	345	16	in	in	IN
12787	345	17	cubic	cubic	JJ
12787	345	18	centimeters	centimeter	NNS
12787	345	19	delivered	deliver	VBN
12787	345	20	by	by	IN
12787	345	21	the	the	DT
12787	345	22	pipette	pipette	NN
12787	345	23	.	.	.
12787	346	1	Calculate	calculate	VB
12787	346	2	the	the	DT
12787	346	3	necessary	necessary	JJ
12787	346	4	correction	correction	NN
12787	346	5	.	.	.
12787	347	1	[	[	-LRB-
12787	347	2	Note	note	NN
12787	347	3	1	1	CD
12787	347	4	:	:	:
12787	347	5	A	a	DT
12787	347	6	definite	definite	JJ
12787	347	7	interval	interval	NN
12787	347	8	must	must	MD
12787	347	9	be	be	VB
12787	347	10	allowed	allow	VBN
12787	347	11	for	for	IN
12787	347	12	draining	drain	VBG
12787	347	13	,	,	,
12787	347	14	and	and	CC
12787	347	15	a	a	DT
12787	347	16	definite	definite	JJ
12787	347	17	practice	practice	NN
12787	347	18	adopted	adopt	VBN
12787	347	19	with	with	IN
12787	347	20	respect	respect	NN
12787	347	21	to	to	IN
12787	347	22	the	the	DT
12787	347	23	removal	removal	NN
12787	347	24	of	of	IN
12787	347	25	the	the	DT
12787	347	26	liquid	liquid	NN
12787	347	27	which	which	WDT
12787	347	28	collects	collect	VBZ
12787	347	29	at	at	IN
12787	347	30	the	the	DT
12787	347	31	end	end	NN
12787	347	32	of	of	IN
12787	347	33	the	the	DT
12787	347	34	tube	tube	NN
12787	347	35	,	,	,
12787	347	36	if	if	IN
12787	347	37	the	the	DT
12787	347	38	pipette	pipette	NN
12787	347	39	is	be	VBZ
12787	347	40	designed	design	VBN
12787	347	41	to	to	TO
12787	347	42	deliver	deliver	VB
12787	347	43	a	a	DT
12787	347	44	specific	specific	JJ
12787	347	45	volume	volume	NN
12787	347	46	when	when	WRB
12787	347	47	emptied	empty	VBD
12787	347	48	.	.	.
12787	348	1	This	this	DT
12787	348	2	liquid	liquid	NN
12787	348	3	may	may	MD
12787	348	4	be	be	VB
12787	348	5	removed	remove	VBN
12787	348	6	at	at	IN
12787	348	7	the	the	DT
12787	348	8	end	end	NN
12787	348	9	of	of	IN
12787	348	10	a	a	DT
12787	348	11	definite	definite	JJ
12787	348	12	interval	interval	NN
12787	348	13	either	either	CC
12787	348	14	by	by	IN
12787	348	15	touching	touch	VBG
12787	348	16	the	the	DT
12787	348	17	side	side	NN
12787	348	18	of	of	IN
12787	348	19	the	the	DT
12787	348	20	vessel	vessel	NN
12787	348	21	or	or	CC
12787	348	22	by	by	IN
12787	348	23	gently	gently	RB
12787	348	24	blowing	blow	VBG
12787	348	25	out	out	RP
12787	348	26	the	the	DT
12787	348	27	last	last	JJ
12787	348	28	drops	drop	NNS
12787	348	29	.	.	.
12787	349	1	Either	either	DT
12787	349	2	practice	practice	NN
12787	349	3	,	,	,
12787	349	4	when	when	WRB
12787	349	5	adopted	adopt	VBN
12787	349	6	,	,	,
12787	349	7	must	must	MD
12787	349	8	be	be	VB
12787	349	9	uniformly	uniformly	RB
12787	349	10	adhered	adhere	VBN
12787	349	11	to	to	IN
12787	349	12	.	.	.
12787	349	13	]	]	-RRB-
12787	350	1	FLASKS	FLASKS	NNP
12787	350	2	!	!	.
12787	350	3	Graduated	graduate	VBN
12787	350	4	or	or	CC
12787	350	5	measuring	measure	VBG
12787	350	6	flasks	flask	NNS
12787	350	7	!	!	.
12787	351	1	are	be	VBP
12787	351	2	similar	similar	JJ
12787	351	3	to	to	IN
12787	351	4	the	the	DT
12787	351	5	ordinary	ordinary	JJ
12787	351	6	flat	flat	RB
12787	351	7	-	-	HYPH
12787	351	8	bottomed	bottom	VBN
12787	351	9	flasks	flask	NNS
12787	351	10	,	,	,
12787	351	11	but	but	CC
12787	351	12	are	be	VBP
12787	351	13	provided	provide	VBN
12787	351	14	with	with	IN
12787	351	15	long	long	JJ
12787	351	16	,	,	,
12787	351	17	narrow	narrow	JJ
12787	351	18	necks	neck	NNS
12787	351	19	in	in	IN
12787	351	20	order	order	NN
12787	351	21	that	that	IN
12787	351	22	slight	slight	JJ
12787	351	23	variations	variation	NNS
12787	351	24	in	in	IN
12787	351	25	the	the	DT
12787	351	26	position	position	NN
12787	351	27	of	of	IN
12787	351	28	the	the	DT
12787	351	29	meniscus	meniscus	NN
12787	351	30	with	with	IN
12787	351	31	respect	respect	NN
12787	351	32	to	to	IN
12787	351	33	the	the	DT
12787	351	34	graduation	graduation	NN
12787	351	35	shall	shall	MD
12787	351	36	represent	represent	VB
12787	351	37	a	a	DT
12787	351	38	minimum	minimum	JJ
12787	351	39	volume	volume	NN
12787	351	40	of	of	IN
12787	351	41	liquid	liquid	NN
12787	351	42	.	.	.
12787	352	1	The	the	DT
12787	352	2	flasks	flask	NNS
12787	352	3	must	must	MD
12787	352	4	be	be	VB
12787	352	5	of	of	IN
12787	352	6	such	such	PDT
12787	352	7	a	a	DT
12787	352	8	capacity	capacity	NN
12787	352	9	that	that	WDT
12787	352	10	,	,	,
12787	352	11	when	when	WRB
12787	352	12	filled	fill	VBN
12787	352	13	with	with	IN
12787	352	14	the	the	DT
12787	352	15	specified	specify	VBN
12787	352	16	volume	volume	NN
12787	352	17	,	,	,
12787	352	18	the	the	DT
12787	352	19	liquid	liquid	NN
12787	352	20	rises	rise	VBZ
12787	352	21	well	well	RB
12787	352	22	into	into	IN
12787	352	23	the	the	DT
12787	352	24	neck	neck	NN
12787	352	25	.	.	.
12787	353	1	GRADUATION	graduation	NN
12787	353	2	OF	of	IN
12787	353	3	FLASKS	FLASKS	NNP
12787	353	4	It	-PRON-	PRP
12787	353	5	is	be	VBZ
12787	353	6	a	a	DT
12787	353	7	general	general	JJ
12787	353	8	custom	custom	NN
12787	353	9	to	to	TO
12787	353	10	purchase	purchase	VB
12787	353	11	the	the	DT
12787	353	12	flasks	flask	NNS
12787	353	13	ungraduated	ungraduate	VBN
12787	353	14	and	and	CC
12787	353	15	to	to	TO
12787	353	16	graduate	graduate	VB
12787	353	17	them	-PRON-	PRP
12787	353	18	for	for	IN
12787	353	19	use	use	NN
12787	353	20	under	under	IN
12787	353	21	standard	standard	JJ
12787	353	22	conditions	condition	NNS
12787	353	23	selected	select	VBN
12787	353	24	for	for	IN
12787	353	25	the	the	DT
12787	353	26	laboratory	laboratory	NN
12787	353	27	in	in	IN
12787	353	28	question	question	NN
12787	353	29	.	.	.
12787	354	1	They	-PRON-	PRP
12787	354	2	may	may	MD
12787	354	3	be	be	VB
12787	354	4	graduated	graduate	VBN
12787	354	5	for	for	IN
12787	354	6	"	"	``
12787	354	7	contents	content	NNS
12787	354	8	"	"	''
12787	354	9	or	or	CC
12787	354	10	"	"	``
12787	354	11	delivery	delivery	NN
12787	354	12	.	.	.
12787	354	13	"	"	''
12787	355	1	When	when	WRB
12787	355	2	graduated	graduate	VBN
12787	355	3	for	for	IN
12787	355	4	"	"	``
12787	355	5	contents	content	NNS
12787	355	6	"	"	''
12787	355	7	they	-PRON-	PRP
12787	355	8	contain	contain	VBP
12787	355	9	a	a	DT
12787	355	10	specified	specified	JJ
12787	355	11	volume	volume	NN
12787	355	12	when	when	WRB
12787	355	13	filled	fill	VBN
12787	355	14	to	to	IN
12787	355	15	the	the	DT
12787	355	16	graduation	graduation	NN
12787	355	17	at	at	IN
12787	355	18	a	a	DT
12787	355	19	specified	specify	VBN
12787	355	20	temperature	temperature	NN
12787	355	21	,	,	,
12787	355	22	and	and	CC
12787	355	23	require	require	VB
12787	355	24	to	to	TO
12787	355	25	be	be	VB
12787	355	26	washed	wash	VBN
12787	355	27	out	out	RP
12787	355	28	in	in	IN
12787	355	29	order	order	NN
12787	355	30	to	to	TO
12787	355	31	remove	remove	VB
12787	355	32	all	all	DT
12787	355	33	of	of	IN
12787	355	34	the	the	DT
12787	355	35	solution	solution	NN
12787	355	36	from	from	IN
12787	355	37	the	the	DT
12787	355	38	flask	flask	NN
12787	355	39	.	.	.
12787	356	1	Flasks	flask	NNS
12787	356	2	graduated	graduate	VBD
12787	356	3	for	for	IN
12787	356	4	"	"	``
12787	356	5	delivery	delivery	NN
12787	356	6	"	"	''
12787	356	7	will	will	MD
12787	356	8	deliver	deliver	VB
12787	356	9	the	the	DT
12787	356	10	specified	specify	VBN
12787	356	11	volume	volume	NN
12787	356	12	of	of	IN
12787	356	13	a	a	DT
12787	356	14	liquid	liquid	NN
12787	356	15	without	without	IN
12787	356	16	rinsing	rinse	VBG
12787	356	17	.	.	.
12787	357	1	A	a	DT
12787	357	2	flask	flask	NN
12787	357	3	may	may	MD
12787	357	4	,	,	,
12787	357	5	of	of	IN
12787	357	6	course	course	NN
12787	357	7	,	,	,
12787	357	8	be	be	VB
12787	357	9	graduated	graduate	VBN
12787	357	10	for	for	IN
12787	357	11	both	both	DT
12787	357	12	contents	content	NNS
12787	357	13	and	and	CC
12787	357	14	delivery	delivery	NN
12787	357	15	by	by	IN
12787	357	16	placing	place	VBG
12787	357	17	two	two	CD
12787	357	18	graduation	graduation	NN
12787	357	19	marks	mark	NNS
12787	357	20	upon	upon	IN
12787	357	21	it	-PRON-	PRP
12787	357	22	.	.	.
12787	358	1	PROCEDURE.--To	PROCEDURE.--To	NNP
12787	358	2	calibrate	calibrate	VBP
12787	358	3	a	a	DT
12787	358	4	flask	flask	NN
12787	358	5	for	for	IN
12787	358	6	!	!	.
12787	358	7	contents	content	NNS
12787	358	8	!	!	.
12787	358	9	,	,	,
12787	358	10	proceed	proceed	VB
12787	358	11	as	as	IN
12787	358	12	follows	follow	VBZ
12787	358	13	:	:	:
12787	358	14	Clean	clean	VB
12787	358	15	the	the	DT
12787	358	16	flask	flask	NN
12787	358	17	,	,	,
12787	358	18	using	use	VBG
12787	358	19	a	a	DT
12787	358	20	chromic	chromic	JJ
12787	358	21	acid	acid	NN
12787	358	22	solution	solution	NN
12787	358	23	,	,	,
12787	358	24	and	and	CC
12787	358	25	dry	dry	VB
12787	358	26	it	-PRON-	PRP
12787	358	27	carefully	carefully	RB
12787	358	28	outside	outside	RB
12787	358	29	and	and	CC
12787	358	30	inside	inside	RB
12787	358	31	.	.	.
12787	359	1	Tare	tare	VB
12787	359	2	it	-PRON-	PRP
12787	359	3	accurately	accurately	RB
12787	359	4	;	;	:
12787	359	5	pour	pour	VB
12787	359	6	water	water	NN
12787	359	7	into	into	IN
12787	359	8	the	the	DT
12787	359	9	flask	flask	NN
12787	359	10	until	until	IN
12787	359	11	the	the	DT
12787	359	12	weight	weight	NN
12787	359	13	of	of	IN
12787	359	14	the	the	DT
12787	359	15	latter	latter	JJ
12787	359	16	counterbalances	counterbalance	NNS
12787	359	17	weights	weight	NNS
12787	359	18	on	on	IN
12787	359	19	the	the	DT
12787	359	20	opposite	opposite	JJ
12787	359	21	pan	pan	NN
12787	359	22	which	which	WDT
12787	359	23	equal	equal	JJ
12787	359	24	in	in	IN
12787	359	25	grams	gram	NNS
12787	359	26	the	the	DT
12787	359	27	number	number	NN
12787	359	28	of	of	IN
12787	359	29	cubic	cubic	JJ
12787	359	30	centimeters	centimeter	NNS
12787	359	31	of	of	IN
12787	359	32	water	water	NN
12787	359	33	which	which	WDT
12787	359	34	the	the	DT
12787	359	35	flask	flask	NN
12787	359	36	is	be	VBZ
12787	359	37	to	to	TO
12787	359	38	contain	contain	VB
12787	359	39	.	.	.
12787	360	1	Remove	remove	VB
12787	360	2	any	any	DT
12787	360	3	excess	excess	NN
12787	360	4	of	of	IN
12787	360	5	water	water	NN
12787	360	6	with	with	IN
12787	360	7	the	the	DT
12787	360	8	aid	aid	NN
12787	360	9	of	of	IN
12787	360	10	filter	filter	NN
12787	360	11	paper	paper	NN
12787	360	12	(	(	-LRB-
12787	360	13	Note	note	NN
12787	360	14	1	1	CD
12787	360	15	)	)	-RRB-
12787	360	16	.	.	.
12787	361	1	Take	take	VB
12787	361	2	the	the	DT
12787	361	3	flask	flask	NN
12787	361	4	from	from	IN
12787	361	5	the	the	DT
12787	361	6	balance	balance	NN
12787	361	7	,	,	,
12787	361	8	stopper	stopper	VB
12787	361	9	it	-PRON-	PRP
12787	361	10	,	,	,
12787	361	11	place	place	VB
12787	361	12	it	-PRON-	PRP
12787	361	13	in	in	IN
12787	361	14	a	a	DT
12787	361	15	bath	bath	NN
12787	361	16	at	at	IN
12787	361	17	the	the	DT
12787	361	18	desired	desire	VBN
12787	361	19	temperature	temperature	NN
12787	361	20	,	,	,
12787	361	21	usually	usually	RB
12787	361	22	15.5Â	15.5â	CD
12787	361	23	°	°	NNS
12787	361	24	or	or	CC
12787	361	25	17.5Â	17.5â	CD
12787	361	26	°	°	,
12787	361	27	C	C	NNP
12787	361	28	.	.	NNP
12787	361	29	,	,	,
12787	361	30	and	and	CC
12787	361	31	after	after	IN
12787	361	32	an	an	DT
12787	361	33	hour	hour	NN
12787	361	34	mark	mark	NN
12787	361	35	on	on	IN
12787	361	36	the	the	DT
12787	361	37	neck	neck	NN
12787	361	38	with	with	IN
12787	361	39	a	a	DT
12787	361	40	diamond	diamond	NN
12787	361	41	the	the	DT
12787	361	42	location	location	NN
12787	361	43	of	of	IN
12787	361	44	the	the	DT
12787	361	45	lowest	low	JJS
12787	361	46	point	point	NN
12787	361	47	of	of	IN
12787	361	48	the	the	DT
12787	361	49	meniscus	meniscus	NN
12787	361	50	(	(	-LRB-
12787	361	51	Note	note	NN
12787	361	52	2	2	CD
12787	361	53	)	)	-RRB-
12787	361	54	.	.	.
12787	362	1	The	the	DT
12787	362	2	mark	mark	NN
12787	362	3	may	may	MD
12787	362	4	be	be	VB
12787	362	5	etched	etch	VBN
12787	362	6	upon	upon	IN
12787	362	7	the	the	DT
12787	362	8	flask	flask	NN
12787	362	9	by	by	IN
12787	362	10	hydrofluoric	hydrofluoric	NN
12787	362	11	acid	acid	NN
12787	362	12	,	,	,
12787	362	13	or	or	CC
12787	362	14	by	by	IN
12787	362	15	the	the	DT
12787	362	16	use	use	NN
12787	362	17	of	of	IN
12787	362	18	an	an	DT
12787	362	19	etching	etch	VBG
12787	362	20	ink	ink	NN
12787	362	21	now	now	RB
12787	362	22	commonly	commonly	RB
12787	362	23	sold	sell	VBN
12787	362	24	on	on	IN
12787	362	25	the	the	DT
12787	362	26	market	market	NN
12787	362	27	.	.	.
12787	363	1	To	to	TO
12787	363	2	graduate	graduate	VB
12787	363	3	a	a	DT
12787	363	4	flask	flask	NN
12787	363	5	which	which	WDT
12787	363	6	is	be	VBZ
12787	363	7	designed	design	VBN
12787	363	8	to	to	TO
12787	363	9	!	!	.
12787	363	10	deliver	deliver	VB
12787	363	11	!	!	.
12787	364	1	a	a	DT
12787	364	2	specified	specified	JJ
12787	364	3	volume	volume	NN
12787	364	4	,	,	,
12787	364	5	proceed	proceed	VB
12787	364	6	as	as	IN
12787	364	7	follows	follow	VBZ
12787	364	8	:	:	:
12787	364	9	Clean	clean	VB
12787	364	10	the	the	DT
12787	364	11	flask	flask	NN
12787	364	12	as	as	IN
12787	364	13	usual	usual	JJ
12787	364	14	and	and	CC
12787	364	15	wipe	wipe	VBP
12787	364	16	all	all	DT
12787	364	17	moisture	moisture	NN
12787	364	18	from	from	IN
12787	364	19	the	the	DT
12787	364	20	outside	outside	NN
12787	364	21	.	.	.
12787	365	1	Fill	fill	VB
12787	365	2	it	-PRON-	PRP
12787	365	3	with	with	IN
12787	365	4	distilled	distilled	JJ
12787	365	5	water	water	NN
12787	365	6	.	.	.
12787	366	1	Pour	pour	VB
12787	366	2	out	out	RP
12787	366	3	the	the	DT
12787	366	4	water	water	NN
12787	366	5	and	and	CC
12787	366	6	allow	allow	VB
12787	366	7	the	the	DT
12787	366	8	water	water	NN
12787	366	9	to	to	TO
12787	366	10	drain	drain	VB
12787	366	11	from	from	IN
12787	366	12	the	the	DT
12787	366	13	flask	flask	NN
12787	366	14	for	for	IN
12787	366	15	three	three	CD
12787	366	16	minutes	minute	NNS
12787	366	17	.	.	.
12787	367	1	Counterbalance	counterbalance	VB
12787	367	2	the	the	DT
12787	367	3	flask	flask	NN
12787	367	4	with	with	IN
12787	367	5	weights	weight	NNS
12787	367	6	to	to	IN
12787	367	7	the	the	DT
12787	367	8	nearest	near	JJS
12787	367	9	centigram	centigram	NN
12787	367	10	.	.	.
12787	368	1	Add	add	VB
12787	368	2	weights	weight	NNS
12787	368	3	corresponding	correspond	VBG
12787	368	4	in	in	IN
12787	368	5	grams	gram	NNS
12787	368	6	to	to	IN
12787	368	7	the	the	DT
12787	368	8	volume	volume	NN
12787	368	9	desired	desire	VBN
12787	368	10	,	,	,
12787	368	11	and	and	CC
12787	368	12	add	add	VB
12787	368	13	distilled	distilled	JJ
12787	368	14	water	water	NN
12787	368	15	to	to	TO
12787	368	16	counterbalance	counterbalance	VB
12787	368	17	these	these	DT
12787	368	18	weights	weight	NNS
12787	368	19	.	.	.
12787	369	1	An	an	DT
12787	369	2	excess	excess	NN
12787	369	3	of	of	IN
12787	369	4	water	water	NN
12787	369	5	,	,	,
12787	369	6	or	or	CC
12787	369	7	water	water	NN
12787	369	8	adhering	adhere	VBG
12787	369	9	to	to	IN
12787	369	10	the	the	DT
12787	369	11	neck	neck	NN
12787	369	12	of	of	IN
12787	369	13	the	the	DT
12787	369	14	flask	flask	NN
12787	369	15	,	,	,
12787	369	16	may	may	MD
12787	369	17	be	be	VB
12787	369	18	removed	remove	VBN
12787	369	19	by	by	IN
12787	369	20	means	mean	NNS
12787	369	21	of	of	IN
12787	369	22	a	a	DT
12787	369	23	strip	strip	NN
12787	369	24	of	of	IN
12787	369	25	clean	clean	NNP
12787	369	26	filter	filter	NN
12787	369	27	paper	paper	NN
12787	369	28	.	.	.
12787	370	1	Stopper	Stopper	NNP
12787	370	2	the	the	DT
12787	370	3	flask	flask	NN
12787	370	4	,	,	,
12787	370	5	place	place	VB
12787	370	6	it	-PRON-	PRP
12787	370	7	in	in	IN
12787	370	8	a	a	DT
12787	370	9	bath	bath	NN
12787	370	10	at	at	IN
12787	370	11	15.5Â	15.5â	CD
12787	370	12	°	°	,
12787	370	13	C	C	NNP
12787	370	14	.	.	.
12787	371	1	or	or	CC
12787	371	2	17.5Â	17.5â	CD
12787	371	3	°	°	,
12787	371	4	C	C	NNP
12787	371	5	.	.	.
12787	372	1	and	and	CC
12787	372	2	,	,	,
12787	372	3	after	after	IN
12787	372	4	an	an	DT
12787	372	5	hour	hour	NN
12787	372	6	,	,	,
12787	372	7	mark	mark	VB
12787	372	8	the	the	DT
12787	372	9	location	location	NN
12787	372	10	of	of	IN
12787	372	11	the	the	DT
12787	372	12	lowest	low	JJS
12787	372	13	point	point	NN
12787	372	14	of	of	IN
12787	372	15	the	the	DT
12787	372	16	meniscus	meniscus	NN
12787	372	17	,	,	,
12787	372	18	as	as	IN
12787	372	19	described	describe	VBN
12787	372	20	above	above	RB
12787	372	21	.	.	.
12787	373	1	[	[	-LRB-
12787	373	2	Note	note	NN
12787	373	3	1	1	CD
12787	373	4	:	:	:
12787	373	5	The	the	DT
12787	373	6	allowable	allowable	JJ
12787	373	7	error	error	NN
12787	373	8	in	in	IN
12787	373	9	counterbalancing	counterbalance	VBG
12787	373	10	the	the	DT
12787	373	11	water	water	NN
12787	373	12	and	and	CC
12787	373	13	weights	weight	NNS
12787	373	14	varies	varie	NNS
12787	373	15	with	with	IN
12787	373	16	the	the	DT
12787	373	17	volume	volume	NN
12787	373	18	of	of	IN
12787	373	19	the	the	DT
12787	373	20	flask	flask	NN
12787	373	21	.	.	.
12787	374	1	It	-PRON-	PRP
12787	374	2	should	should	MD
12787	374	3	not	not	RB
12787	374	4	exceed	exceed	VB
12787	374	5	one	one	CD
12787	374	6	ten	ten	CD
12787	374	7	-	-	HYPH
12787	374	8	thousandth	thousandth	NN
12787	374	9	of	of	IN
12787	374	10	the	the	DT
12787	374	11	weight	weight	NN
12787	374	12	of	of	IN
12787	374	13	water	water	NN
12787	374	14	.	.	.
12787	374	15	]	]	-RRB-
12787	375	1	[	[	-LRB-
12787	375	2	Note	note	NN
12787	375	3	2	2	CD
12787	375	4	:	:	:
12787	375	5	Other	other	JJ
12787	375	6	methods	method	NNS
12787	375	7	are	be	VBP
12787	375	8	employed	employ	VBN
12787	375	9	which	which	WDT
12787	375	10	involve	involve	VBP
12787	375	11	the	the	DT
12787	375	12	use	use	NN
12787	375	13	of	of	IN
12787	375	14	calibrated	calibrate	VBN
12787	375	15	apparatus	apparatus	NN
12787	375	16	from	from	IN
12787	375	17	which	which	WDT
12787	375	18	the	the	DT
12787	375	19	desired	desire	VBN
12787	375	20	volume	volume	NN
12787	375	21	of	of	IN
12787	375	22	water	water	NN
12787	375	23	may	may	MD
12787	375	24	be	be	VB
12787	375	25	run	run	VBN
12787	375	26	into	into	IN
12787	375	27	the	the	DT
12787	375	28	dry	dry	JJ
12787	375	29	flask	flask	NN
12787	375	30	and	and	CC
12787	375	31	the	the	DT
12787	375	32	position	position	NN
12787	375	33	of	of	IN
12787	375	34	the	the	DT
12787	375	35	meniscus	meniscus	NN
12787	375	36	marked	mark	VBD
12787	375	37	directly	directly	RB
12787	375	38	upon	upon	IN
12787	375	39	it	-PRON-	PRP
12787	375	40	.	.	.
12787	376	1	For	for	IN
12787	376	2	a	a	DT
12787	376	3	description	description	NN
12787	376	4	of	of	IN
12787	376	5	a	a	DT
12787	376	6	procedure	procedure	NN
12787	376	7	which	which	WDT
12787	376	8	is	be	VBZ
12787	376	9	most	most	RBS
12787	376	10	convenient	convenient	JJ
12787	376	11	when	when	WRB
12787	376	12	many	many	JJ
12787	376	13	flasks	flask	NNS
12787	376	14	are	be	VBP
12787	376	15	to	to	TO
12787	376	16	be	be	VB
12787	376	17	calibrated	calibrate	VBN
12787	376	18	,	,	,
12787	376	19	the	the	DT
12787	376	20	student	student	NN
12787	376	21	is	be	VBZ
12787	376	22	referred	refer	VBN
12787	376	23	to	to	IN
12787	376	24	the	the	DT
12787	376	25	!	!	.
12787	376	26	Am	Am	NNP
12787	376	27	.	.	.
12787	377	1	Chem	Chem	NNP
12787	377	2	J.	J.	NNP
12787	377	3	!	!	NNP
12787	377	4	,	,	,
12787	377	5	16	16	CD
12787	377	6	,	,	,
12787	377	7	479	479	CD
12787	377	8	.	.	.
12787	377	9	]	]	-RRB-
12787	378	1	GENERAL	GENERAL	NNP
12787	378	2	DIRECTIONS	DIRECTIONS	NNPS
12787	378	3	FOR	for	IN
12787	378	4	VOLUMETRIC	volumetric	NN
12787	378	5	ANALYSES	analysis	NNS
12787	378	6	It	-PRON-	PRP
12787	378	7	can	can	MD
12787	378	8	not	not	RB
12787	378	9	be	be	VB
12787	378	10	too	too	RB
12787	378	11	strongly	strongly	RB
12787	378	12	emphasized	emphasize	VBN
12787	378	13	that	that	IN
12787	378	14	for	for	IN
12787	378	15	the	the	DT
12787	378	16	success	success	NN
12787	378	17	of	of	IN
12787	378	18	analyses	analyses	NNP
12787	378	19	uniformity	uniformity	NN
12787	378	20	of	of	IN
12787	378	21	practice	practice	NN
12787	378	22	must	must	MD
12787	378	23	prevail	prevail	VB
12787	378	24	throughout	throughout	IN
12787	378	25	all	all	DT
12787	378	26	volumetric	volumetric	NN
12787	378	27	work	work	VB
12787	378	28	with	with	IN
12787	378	29	respect	respect	NN
12787	378	30	to	to	IN
12787	378	31	those	those	DT
12787	378	32	factors	factor	NNS
12787	378	33	which	which	WDT
12787	378	34	can	can	MD
12787	378	35	influence	influence	VB
12787	378	36	the	the	DT
12787	378	37	accuracy	accuracy	NN
12787	378	38	of	of	IN
12787	378	39	the	the	DT
12787	378	40	measurement	measurement	NN
12787	378	41	of	of	IN
12787	378	42	liquids	liquids	NNP
12787	378	43	.	.	.
12787	379	1	For	for	IN
12787	379	2	example	example	NN
12787	379	3	,	,	,
12787	379	4	whatever	whatever	WDT
12787	379	5	conditions	condition	NNS
12787	379	6	are	be	VBP
12787	379	7	imposed	impose	VBN
12787	379	8	during	during	IN
12787	379	9	the	the	DT
12787	379	10	calibration	calibration	NN
12787	379	11	of	of	IN
12787	379	12	a	a	DT
12787	379	13	burette	burette	NN
12787	379	14	,	,	,
12787	379	15	pipette	pipette	NNP
12787	379	16	,	,	,
12787	379	17	or	or	CC
12787	379	18	flask	flask	NN
12787	379	19	(	(	-LRB-
12787	379	20	notably	notably	RB
12787	379	21	the	the	DT
12787	379	22	time	time	NN
12787	379	23	allowed	allow	VBN
12787	379	24	for	for	IN
12787	379	25	draining	drain	VBG
12787	379	26	)	)	-RRB-
12787	379	27	,	,	,
12787	379	28	must	must	MD
12787	379	29	also	also	RB
12787	379	30	prevail	prevail	VB
12787	379	31	whenever	whenever	WRB
12787	379	32	the	the	DT
12787	379	33	flask	flask	NN
12787	379	34	or	or	CC
12787	379	35	burette	burette	NN
12787	379	36	is	be	VBZ
12787	379	37	used	use	VBN
12787	379	38	.	.	.
12787	380	1	The	the	DT
12787	380	2	student	student	NN
12787	380	3	should	should	MD
12787	380	4	also	also	RB
12787	380	5	be	be	VB
12787	380	6	constantly	constantly	RB
12787	380	7	watchful	watchful	JJ
12787	380	8	to	to	TO
12787	380	9	insure	insure	VB
12787	380	10	parallel	parallel	JJ
12787	380	11	conditions	condition	NNS
12787	380	12	during	during	IN
12787	380	13	both	both	DT
12787	380	14	standardization	standardization	NN
12787	380	15	and	and	CC
12787	380	16	analyst	analyst	NN
12787	380	17	with	with	IN
12787	380	18	respect	respect	NN
12787	380	19	to	to	IN
12787	380	20	the	the	DT
12787	380	21	final	final	JJ
12787	380	22	volume	volume	NN
12787	380	23	of	of	IN
12787	380	24	liquid	liquid	NN
12787	380	25	in	in	IN
12787	380	26	which	which	WDT
12787	380	27	a	a	DT
12787	380	28	titration	titration	NN
12787	380	29	takes	take	VBZ
12787	380	30	place	place	NN
12787	380	31	.	.	.
12787	381	1	The	the	DT
12787	381	2	value	value	NN
12787	381	3	of	of	IN
12787	381	4	a	a	DT
12787	381	5	standard	standard	JJ
12787	381	6	solution	solution	NN
12787	381	7	is	be	VBZ
12787	381	8	only	only	RB
12787	381	9	accurate	accurate	JJ
12787	381	10	under	under	IN
12787	381	11	the	the	DT
12787	381	12	conditions	condition	NNS
12787	381	13	which	which	WDT
12787	381	14	prevailed	prevail	VBD
12787	381	15	when	when	WRB
12787	381	16	it	-PRON-	PRP
12787	381	17	was	be	VBD
12787	381	18	standardized	standardize	VBN
12787	381	19	.	.	.
12787	382	1	It	-PRON-	PRP
12787	382	2	is	be	VBZ
12787	382	3	plain	plain	JJ
12787	382	4	that	that	IN
12787	382	5	the	the	DT
12787	382	6	standard	standard	JJ
12787	382	7	solutions	solution	NNS
12787	382	8	must	must	MD
12787	382	9	be	be	VB
12787	382	10	scrupulously	scrupulously	RB
12787	382	11	protected	protect	VBN
12787	382	12	from	from	IN
12787	382	13	concentration	concentration	NN
12787	382	14	or	or	CC
12787	382	15	dilution	dilution	NN
12787	382	16	,	,	,
12787	382	17	after	after	IN
12787	382	18	their	-PRON-	PRP$
12787	382	19	value	value	NN
12787	382	20	has	have	VBZ
12787	382	21	been	be	VBN
12787	382	22	established	establish	VBN
12787	382	23	.	.	.
12787	383	1	Accordingly	accordingly	RB
12787	383	2	,	,	,
12787	383	3	great	great	JJ
12787	383	4	care	care	NN
12787	383	5	must	must	MD
12787	383	6	be	be	VB
12787	383	7	taken	take	VBN
12787	383	8	to	to	TO
12787	383	9	thoroughly	thoroughly	RB
12787	383	10	rinse	rinse	VB
12787	383	11	out	out	RP
12787	383	12	all	all	DT
12787	383	13	burettes	burette	NNS
12787	383	14	,	,	,
12787	383	15	flasks	flask	NNS
12787	383	16	,	,	,
12787	383	17	etc	etc	FW
12787	383	18	.	.	FW
12787	383	19	,	,	,
12787	383	20	with	with	IN
12787	383	21	the	the	DT
12787	383	22	solutions	solution	NNS
12787	383	23	which	which	WDT
12787	383	24	they	-PRON-	PRP
12787	383	25	are	be	VBP
12787	383	26	to	to	TO
12787	383	27	contain	contain	VB
12787	383	28	,	,	,
12787	383	29	in	in	IN
12787	383	30	order	order	NN
12787	383	31	to	to	TO
12787	383	32	remove	remove	VB
12787	383	33	all	all	DT
12787	383	34	traces	trace	NNS
12787	383	35	of	of	IN
12787	383	36	water	water	NN
12787	383	37	or	or	CC
12787	383	38	other	other	JJ
12787	383	39	liquid	liquid	NN
12787	383	40	which	which	WDT
12787	383	41	could	could	MD
12787	383	42	act	act	VB
12787	383	43	as	as	IN
12787	383	44	a	a	DT
12787	383	45	diluent	diluent	NN
12787	383	46	.	.	.
12787	384	1	It	-PRON-	PRP
12787	384	2	is	be	VBZ
12787	384	3	best	good	JJS
12787	384	4	to	to	TO
12787	384	5	wash	wash	VB
12787	384	6	out	out	RP
12787	384	7	a	a	DT
12787	384	8	burette	burette	NN
12787	384	9	at	at	RB
12787	384	10	least	least	RBS
12787	384	11	three	three	CD
12787	384	12	times	time	NNS
12787	384	13	with	with	IN
12787	384	14	small	small	JJ
12787	384	15	portions	portion	NNS
12787	384	16	of	of	IN
12787	384	17	a	a	DT
12787	384	18	solution	solution	NN
12787	384	19	,	,	,
12787	384	20	allowing	allow	VBG
12787	384	21	each	each	DT
12787	384	22	to	to	TO
12787	384	23	run	run	VB
12787	384	24	out	out	RP
12787	384	25	through	through	IN
12787	384	26	the	the	DT
12787	384	27	tip	tip	NN
12787	384	28	before	before	IN
12787	384	29	assuming	assume	VBG
12787	384	30	that	that	IN
12787	384	31	the	the	DT
12787	384	32	burette	burette	NN
12787	384	33	is	be	VBZ
12787	384	34	in	in	IN
12787	384	35	a	a	DT
12787	384	36	condition	condition	NN
12787	384	37	to	to	TO
12787	384	38	be	be	VB
12787	384	39	filled	fill	VBN
12787	384	40	and	and	CC
12787	384	41	used	use	VBN
12787	384	42	.	.	.
12787	385	1	It	-PRON-	PRP
12787	385	2	is	be	VBZ
12787	385	3	,	,	,
12787	385	4	of	of	IN
12787	385	5	course	course	NN
12787	385	6	,	,	,
12787	385	7	possible	possible	JJ
12787	385	8	to	to	TO
12787	385	9	dry	dry	VB
12787	385	10	measuring	measure	VBG
12787	385	11	instruments	instrument	NNS
12787	385	12	in	in	IN
12787	385	13	a	a	DT
12787	385	14	hot	hot	JJ
12787	385	15	closet	closet	NN
12787	385	16	,	,	,
12787	385	17	but	but	CC
12787	385	18	this	this	DT
12787	385	19	is	be	VBZ
12787	385	20	tedious	tedious	JJ
12787	385	21	and	and	CC
12787	385	22	unnecessary	unnecessary	JJ
12787	385	23	.	.	.
12787	386	1	To	to	IN
12787	386	2	the	the	DT
12787	386	3	same	same	JJ
12787	386	4	end	end	NN
12787	386	5	,	,	,
12787	386	6	all	all	DT
12787	386	7	solutions	solution	NNS
12787	386	8	should	should	MD
12787	386	9	be	be	VB
12787	386	10	kept	keep	VBN
12787	386	11	stoppered	stopper	VBN
12787	386	12	and	and	CC
12787	386	13	away	away	RB
12787	386	14	from	from	IN
12787	386	15	direct	direct	JJ
12787	386	16	sunlight	sunlight	NN
12787	386	17	or	or	CC
12787	386	18	heat	heat	NN
12787	386	19	.	.	.
12787	387	1	The	the	DT
12787	387	2	bottles	bottle	NNS
12787	387	3	should	should	MD
12787	387	4	be	be	VB
12787	387	5	shaken	shake	VBN
12787	387	6	before	before	IN
12787	387	7	use	use	NN
12787	387	8	to	to	TO
12787	387	9	collect	collect	VB
12787	387	10	any	any	DT
12787	387	11	liquid	liquid	NN
12787	387	12	which	which	WDT
12787	387	13	may	may	MD
12787	387	14	have	have	VB
12787	387	15	distilled	distil	VBN
12787	387	16	from	from	IN
12787	387	17	the	the	DT
12787	387	18	solution	solution	NN
12787	387	19	and	and	CC
12787	387	20	condensed	condense	VBN
12787	387	21	on	on	IN
12787	387	22	the	the	DT
12787	387	23	sides	side	NNS
12787	387	24	.	.	.
12787	388	1	The	the	DT
12787	388	2	student	student	NN
12787	388	3	is	be	VBZ
12787	388	4	again	again	RB
12787	388	5	reminded	remind	VBN
12787	388	6	that	that	IN
12787	388	7	variations	variation	NNS
12787	388	8	in	in	IN
12787	388	9	temperature	temperature	NN
12787	388	10	of	of	IN
12787	388	11	volumetric	volumetric	JJ
12787	388	12	solutions	solution	NNS
12787	388	13	must	must	MD
12787	388	14	be	be	VB
12787	388	15	carefully	carefully	RB
12787	388	16	noted	note	VBN
12787	388	17	,	,	,
12787	388	18	and	and	CC
12787	388	19	care	care	NN
12787	388	20	should	should	MD
12787	388	21	always	always	RB
12787	388	22	be	be	VB
12787	388	23	taken	take	VBN
12787	388	24	that	that	IN
12787	388	25	no	no	DT
12787	388	26	source	source	NN
12787	388	27	of	of	IN
12787	388	28	heat	heat	NN
12787	388	29	is	be	VBZ
12787	388	30	sufficiently	sufficiently	RB
12787	388	31	near	near	IN
12787	388	32	the	the	DT
12787	388	33	solutions	solution	NNS
12787	388	34	to	to	TO
12787	388	35	raise	raise	VB
12787	388	36	the	the	DT
12787	388	37	temperature	temperature	NN
12787	388	38	during	during	IN
12787	388	39	use	use	NN
12787	388	40	.	.	.
12787	389	1	Much	much	JJ
12787	389	2	time	time	NN
12787	389	3	may	may	MD
12787	389	4	be	be	VB
12787	389	5	saved	save	VBN
12787	389	6	by	by	IN
12787	389	7	estimating	estimate	VBG
12787	389	8	the	the	DT
12787	389	9	approximate	approximate	JJ
12787	389	10	volume	volume	NN
12787	389	11	of	of	IN
12787	389	12	a	a	DT
12787	389	13	standard	standard	JJ
12787	389	14	solution	solution	NN
12787	389	15	which	which	WDT
12787	389	16	will	will	MD
12787	389	17	be	be	VB
12787	389	18	required	require	VBN
12787	389	19	for	for	IN
12787	389	20	a	a	DT
12787	389	21	titration	titration	NN
12787	389	22	(	(	-LRB-
12787	389	23	if	if	IN
12787	389	24	the	the	DT
12787	389	25	data	datum	NNS
12787	389	26	are	be	VBP
12787	389	27	obtainable	obtainable	JJ
12787	389	28	)	)	-RRB-
12787	389	29	before	before	IN
12787	389	30	beginning	begin	VBG
12787	389	31	the	the	DT
12787	389	32	operation	operation	NN
12787	389	33	.	.	.
12787	390	1	It	-PRON-	PRP
12787	390	2	is	be	VBZ
12787	390	3	then	then	RB
12787	390	4	possible	possible	JJ
12787	390	5	to	to	TO
12787	390	6	run	run	VB
12787	390	7	in	in	IN
12787	390	8	rapidly	rapidly	RB
12787	390	9	approximately	approximately	RB
12787	390	10	the	the	DT
12787	390	11	required	require	VBN
12787	390	12	amount	amount	NN
12787	390	13	,	,	,
12787	390	14	after	after	IN
12787	390	15	which	which	WDT
12787	390	16	it	-PRON-	PRP
12787	390	17	is	be	VBZ
12787	390	18	only	only	RB
12787	390	19	necessary	necessary	JJ
12787	390	20	to	to	TO
12787	390	21	determine	determine	VB
12787	390	22	the	the	DT
12787	390	23	end	end	NN
12787	390	24	-	-	HYPH
12787	390	25	point	point	NN
12787	390	26	slowly	slowly	RB
12787	390	27	and	and	CC
12787	390	28	with	with	IN
12787	390	29	accuracy	accuracy	NN
12787	390	30	.	.	.
12787	391	1	In	in	IN
12787	391	2	such	such	JJ
12787	391	3	cases	case	NNS
12787	391	4	,	,	,
12787	391	5	however	however	RB
12787	391	6	,	,	,
12787	391	7	the	the	DT
12787	391	8	knowledge	knowledge	NN
12787	391	9	of	of	IN
12787	391	10	the	the	DT
12787	391	11	approximate	approximate	JJ
12787	391	12	amount	amount	NN
12787	391	13	to	to	TO
12787	391	14	be	be	VB
12787	391	15	required	require	VBN
12787	391	16	should	should	MD
12787	391	17	never	never	RB
12787	391	18	be	be	VB
12787	391	19	allowed	allow	VBN
12787	391	20	to	to	TO
12787	391	21	influence	influence	VB
12787	391	22	the	the	DT
12787	391	23	judgment	judgment	NN
12787	391	24	regarding	regard	VBG
12787	391	25	the	the	DT
12787	391	26	actual	actual	JJ
12787	391	27	end	end	NN
12787	391	28	-	-	HYPH
12787	391	29	point	point	NN
12787	391	30	.	.	.
12787	392	1	STANDARD	STANDARD	NNP
12787	392	2	SOLUTIONS	SOLUTIONS	NNP
12787	392	3	The	the	DT
12787	392	4	strength	strength	NN
12787	392	5	or	or	CC
12787	392	6	value	value	NN
12787	392	7	of	of	IN
12787	392	8	a	a	DT
12787	392	9	solution	solution	NN
12787	392	10	for	for	IN
12787	392	11	a	a	DT
12787	392	12	specific	specific	JJ
12787	392	13	reaction	reaction	NN
12787	392	14	is	be	VBZ
12787	392	15	determined	determine	VBN
12787	392	16	by	by	IN
12787	392	17	a	a	DT
12787	392	18	procedure	procedure	NN
12787	392	19	called	call	VBN
12787	392	20	!	!	.
12787	392	21	Standardization	Standardization	NNP
12787	392	22	!	!	.
12787	392	23	,	,	,
12787	392	24	in	in	IN
12787	392	25	which	which	WDT
12787	392	26	the	the	DT
12787	392	27	solution	solution	NN
12787	392	28	is	be	VBZ
12787	392	29	brought	bring	VBN
12787	392	30	into	into	IN
12787	392	31	reaction	reaction	NN
12787	392	32	with	with	IN
12787	392	33	a	a	DT
12787	392	34	definite	definite	JJ
12787	392	35	weight	weight	NN
12787	392	36	of	of	IN
12787	392	37	a	a	DT
12787	392	38	substance	substance	NN
12787	392	39	of	of	IN
12787	392	40	known	know	VBN
12787	392	41	purity	purity	NN
12787	392	42	.	.	.
12787	393	1	For	for	IN
12787	393	2	example	example	NN
12787	393	3	,	,	,
12787	393	4	a	a	DT
12787	393	5	definite	definite	JJ
12787	393	6	weight	weight	NN
12787	393	7	of	of	IN
12787	393	8	pure	pure	JJ
12787	393	9	sodium	sodium	NN
12787	393	10	carbonate	carbonate	NN
12787	393	11	may	may	MD
12787	393	12	be	be	VB
12787	393	13	dissolved	dissolve	VBN
12787	393	14	in	in	IN
12787	393	15	water	water	NN
12787	393	16	,	,	,
12787	393	17	and	and	CC
12787	393	18	the	the	DT
12787	393	19	volume	volume	NN
12787	393	20	of	of	IN
12787	393	21	a	a	DT
12787	393	22	solution	solution	NN
12787	393	23	of	of	IN
12787	393	24	hydrochloric	hydrochloric	JJ
12787	393	25	acid	acid	NN
12787	393	26	necessary	necessary	JJ
12787	393	27	to	to	TO
12787	393	28	exactly	exactly	RB
12787	393	29	neutralize	neutralize	VB
12787	393	30	the	the	DT
12787	393	31	carbonate	carbonate	NN
12787	393	32	accurately	accurately	RB
12787	393	33	determined	determine	VBN
12787	393	34	.	.	.
12787	394	1	From	from	IN
12787	394	2	these	these	DT
12787	394	3	data	datum	NNS
12787	394	4	the	the	DT
12787	394	5	strength	strength	NN
12787	394	6	or	or	CC
12787	394	7	value	value	NN
12787	394	8	of	of	IN
12787	394	9	the	the	DT
12787	394	10	acid	acid	NN
12787	394	11	is	be	VBZ
12787	394	12	known	know	VBN
12787	394	13	.	.	.
12787	395	1	It	-PRON-	PRP
12787	395	2	is	be	VBZ
12787	395	3	then	then	RB
12787	395	4	a	a	DT
12787	395	5	!	!	.
12787	395	6	standard	standard	JJ
12787	395	7	solution	solution	NN
12787	395	8	!	!	.
12787	395	9	.	.	.
12787	396	1	NORMAL	normal	JJ
12787	396	2	SOLUTIONS	solutions	JJ
12787	396	3	Standard	standard	JJ
12787	396	4	solutions	solution	NNS
12787	396	5	may	may	MD
12787	396	6	be	be	VB
12787	396	7	made	make	VBN
12787	396	8	of	of	IN
12787	396	9	a	a	DT
12787	396	10	purely	purely	RB
12787	396	11	empirical	empirical	JJ
12787	396	12	strength	strength	NN
12787	396	13	dictated	dictate	VBN
12787	396	14	solely	solely	RB
12787	396	15	by	by	IN
12787	396	16	convenience	convenience	NN
12787	396	17	of	of	IN
12787	396	18	manipulation	manipulation	NN
12787	396	19	,	,	,
12787	396	20	or	or	CC
12787	396	21	the	the	DT
12787	396	22	concentration	concentration	NN
12787	396	23	may	may	MD
12787	396	24	be	be	VB
12787	396	25	chosen	choose	VBN
12787	396	26	with	with	IN
12787	396	27	reference	reference	NN
12787	396	28	to	to	IN
12787	396	29	a	a	DT
12787	396	30	system	system	NN
12787	396	31	which	which	WDT
12787	396	32	is	be	VBZ
12787	396	33	applicable	applicable	JJ
12787	396	34	to	to	IN
12787	396	35	all	all	DT
12787	396	36	solutions	solution	NNS
12787	396	37	,	,	,
12787	396	38	and	and	CC
12787	396	39	based	base	VBN
12787	396	40	upon	upon	IN
12787	396	41	chemical	chemical	NN
12787	396	42	equivalents	equivalent	NNS
12787	396	43	.	.	.
12787	397	1	Such	such	JJ
12787	397	2	solutions	solution	NNS
12787	397	3	are	be	VBP
12787	397	4	called	call	VBN
12787	397	5	!	!	.
12787	397	6	Normal	Normal	NNP
12787	397	7	Solutions	Solutions	NNPS
12787	397	8	!	!	.
12787	398	1	and	and	CC
12787	398	2	contain	contain	VB
12787	398	3	such	such	PDT
12787	398	4	an	an	DT
12787	398	5	amount	amount	NN
12787	398	6	of	of	IN
12787	398	7	the	the	DT
12787	398	8	reacting	react	VBG
12787	398	9	substance	substance	NN
12787	398	10	per	per	IN
12787	398	11	liter	liter	NN
12787	398	12	as	as	IN
12787	398	13	is	be	VBZ
12787	398	14	equivalent	equivalent	JJ
12787	398	15	in	in	IN
12787	398	16	its	-PRON-	PRP$
12787	398	17	chemical	chemical	NN
12787	398	18	action	action	NN
12787	398	19	to	to	IN
12787	398	20	one	one	CD
12787	398	21	gram	gram	NN
12787	398	22	of	of	IN
12787	398	23	hydrogen	hydrogen	NN
12787	398	24	,	,	,
12787	398	25	or	or	CC
12787	398	26	eight	eight	CD
12787	398	27	grams	gram	NNS
12787	398	28	of	of	IN
12787	398	29	oxygen	oxygen	NN
12787	398	30	.	.	.
12787	399	1	Solutions	solution	NNS
12787	399	2	containing	contain	VBG
12787	399	3	one	one	CD
12787	399	4	half	half	NN
12787	399	5	,	,	,
12787	399	6	one	one	CD
12787	399	7	tenth	tenth	NN
12787	399	8	,	,	,
12787	399	9	or	or	CC
12787	399	10	one	one	CD
12787	399	11	one	one	CD
12787	399	12	-	-	HYPH
12787	399	13	hundredth	hundredth	JJ
12787	399	14	of	of	IN
12787	399	15	this	this	DT
12787	399	16	quantity	quantity	NN
12787	399	17	per	per	IN
12787	399	18	liter	liter	NN
12787	399	19	are	be	VBP
12787	399	20	called	call	VBN
12787	399	21	,	,	,
12787	399	22	respectively	respectively	RB
12787	399	23	,	,	,
12787	399	24	half	half	RB
12787	399	25	-	-	HYPH
12787	399	26	normal	normal	JJ
12787	399	27	,	,	,
12787	399	28	tenth	tenth	JJ
12787	399	29	-	-	HYPH
12787	399	30	normal	normal	JJ
12787	399	31	,	,	,
12787	399	32	or	or	CC
12787	399	33	hundredth	hundredth	JJ
12787	399	34	-	-	HYPH
12787	399	35	normal	normal	JJ
12787	399	36	solutions	solution	NNS
12787	399	37	.	.	.
12787	400	1	Since	since	IN
12787	400	2	normal	normal	JJ
12787	400	3	solutions	solution	NNS
12787	400	4	of	of	IN
12787	400	5	various	various	JJ
12787	400	6	reagents	reagent	NNS
12787	400	7	are	be	VBP
12787	400	8	all	all	DT
12787	400	9	referred	refer	VBN
12787	400	10	to	to	IN
12787	400	11	a	a	DT
12787	400	12	common	common	JJ
12787	400	13	standard	standard	NN
12787	400	14	,	,	,
12787	400	15	they	-PRON-	PRP
12787	400	16	have	have	VBP
12787	400	17	an	an	DT
12787	400	18	advantage	advantage	NN
12787	400	19	not	not	RB
12787	400	20	possessed	possess	VBN
12787	400	21	by	by	IN
12787	400	22	empirical	empirical	JJ
12787	400	23	solutions	solution	NNS
12787	400	24	,	,	,
12787	400	25	namely	namely	RB
12787	400	26	,	,	,
12787	400	27	that	that	IN
12787	400	28	they	-PRON-	PRP
12787	400	29	are	be	VBP
12787	400	30	exactly	exactly	RB
12787	400	31	equivalent	equivalent	JJ
12787	400	32	to	to	IN
12787	400	33	each	each	DT
12787	400	34	other	other	JJ
12787	400	35	.	.	.
12787	401	1	Thus	thus	RB
12787	401	2	,	,	,
12787	401	3	a	a	DT
12787	401	4	liter	liter	NN
12787	401	5	of	of	IN
12787	401	6	a	a	DT
12787	401	7	normal	normal	JJ
12787	401	8	solution	solution	NN
12787	401	9	of	of	IN
12787	401	10	an	an	DT
12787	401	11	acid	acid	NN
12787	401	12	will	will	MD
12787	401	13	exactly	exactly	RB
12787	401	14	neutralize	neutralize	VB
12787	401	15	a	a	DT
12787	401	16	liter	liter	NN
12787	401	17	of	of	IN
12787	401	18	a	a	DT
12787	401	19	normal	normal	JJ
12787	401	20	alkali	alkali	JJ
12787	401	21	solution	solution	NN
12787	401	22	,	,	,
12787	401	23	and	and	CC
12787	401	24	a	a	DT
12787	401	25	liter	liter	NN
12787	401	26	of	of	IN
12787	401	27	a	a	DT
12787	401	28	normal	normal	JJ
12787	401	29	oxidizing	oxidizing	JJ
12787	401	30	solution	solution	NN
12787	401	31	will	will	MD
12787	401	32	exactly	exactly	RB
12787	401	33	react	react	VB
12787	401	34	with	with	IN
12787	401	35	a	a	DT
12787	401	36	liter	liter	NN
12787	401	37	of	of	IN
12787	401	38	a	a	DT
12787	401	39	normal	normal	JJ
12787	401	40	reducing	reducing	NN
12787	401	41	solution	solution	NN
12787	401	42	,	,	,
12787	401	43	and	and	CC
12787	401	44	so	so	RB
12787	401	45	on	on	RB
12787	401	46	.	.	.
12787	402	1	Beside	beside	IN
12787	402	2	the	the	DT
12787	402	3	advantage	advantage	NN
12787	402	4	of	of	IN
12787	402	5	uniformity	uniformity	NN
12787	402	6	,	,	,
12787	402	7	the	the	DT
12787	402	8	use	use	NN
12787	402	9	of	of	IN
12787	402	10	normal	normal	JJ
12787	402	11	solutions	solution	NNS
12787	402	12	simplifies	simplify	VBZ
12787	402	13	the	the	DT
12787	402	14	calculations	calculation	NNS
12787	402	15	of	of	IN
12787	402	16	the	the	DT
12787	402	17	results	result	NNS
12787	402	18	of	of	IN
12787	402	19	analyses	analysis	NNS
12787	402	20	.	.	.
12787	403	1	This	this	DT
12787	403	2	is	be	VBZ
12787	403	3	particularly	particularly	RB
12787	403	4	true	true	JJ
12787	403	5	if	if	IN
12787	403	6	,	,	,
12787	403	7	in	in	IN
12787	403	8	connection	connection	NN
12787	403	9	with	with	IN
12787	403	10	the	the	DT
12787	403	11	normal	normal	JJ
12787	403	12	solution	solution	NN
12787	403	13	,	,	,
12787	403	14	the	the	DT
12787	403	15	weight	weight	NN
12787	403	16	of	of	IN
12787	403	17	substance	substance	NN
12787	403	18	for	for	IN
12787	403	19	analysis	analysis	NN
12787	403	20	is	be	VBZ
12787	403	21	chosen	choose	VBN
12787	403	22	with	with	IN
12787	403	23	reference	reference	NN
12787	403	24	to	to	IN
12787	403	25	the	the	DT
12787	403	26	atomic	atomic	JJ
12787	403	27	or	or	CC
12787	403	28	molecular	molecular	JJ
12787	403	29	weight	weight	NN
12787	403	30	of	of	IN
12787	403	31	the	the	DT
12787	403	32	constituent	constituent	NN
12787	403	33	to	to	TO
12787	403	34	be	be	VB
12787	403	35	determined	determine	VBN
12787	403	36	.	.	.
12787	404	1	(	(	-LRB-
12787	404	2	See	see	VB
12787	404	3	problem	problem	NN
12787	404	4	26	26	CD
12787	404	5	.	.	.
12787	404	6	)	)	-RRB-
12787	405	1	The	the	DT
12787	405	2	preparation	preparation	NN
12787	405	3	of	of	IN
12787	405	4	an	an	DT
12787	405	5	!	!	.
12787	405	6	exactly	exactly	RB
12787	405	7	!	!	.
12787	406	1	normal	normal	JJ
12787	406	2	,	,	,
12787	406	3	half	half	RB
12787	406	4	-	-	HYPH
12787	406	5	normal	normal	JJ
12787	406	6	,	,	,
12787	406	7	or	or	CC
12787	406	8	tenth	tenth	JJ
12787	406	9	-	-	HYPH
12787	406	10	normal	normal	JJ
12787	406	11	solution	solution	NN
12787	406	12	requires	require	VBZ
12787	406	13	considerable	considerable	JJ
12787	406	14	time	time	NN
12787	406	15	and	and	CC
12787	406	16	care	care	NN
12787	406	17	.	.	.
12787	407	1	It	-PRON-	PRP
12787	407	2	is	be	VBZ
12787	407	3	usually	usually	RB
12787	407	4	carried	carry	VBN
12787	407	5	out	out	RP
12787	407	6	only	only	RB
12787	407	7	when	when	WRB
12787	407	8	a	a	DT
12787	407	9	large	large	JJ
12787	407	10	number	number	NN
12787	407	11	of	of	IN
12787	407	12	analyses	analysis	NNS
12787	407	13	are	be	VBP
12787	407	14	to	to	TO
12787	407	15	be	be	VB
12787	407	16	made	make	VBN
12787	407	17	,	,	,
12787	407	18	or	or	CC
12787	407	19	when	when	WRB
12787	407	20	the	the	DT
12787	407	21	analyst	analyst	NN
12787	407	22	has	have	VBZ
12787	407	23	some	some	DT
12787	407	24	other	other	JJ
12787	407	25	specific	specific	JJ
12787	407	26	purpose	purpose	NN
12787	407	27	in	in	IN
12787	407	28	view	view	NN
12787	407	29	.	.	.
12787	408	1	It	-PRON-	PRP
12787	408	2	is	be	VBZ
12787	408	3	,	,	,
12787	408	4	however	however	RB
12787	408	5	,	,	,
12787	408	6	a	a	DT
12787	408	7	comparatively	comparatively	RB
12787	408	8	easy	easy	JJ
12787	408	9	matter	matter	NN
12787	408	10	to	to	TO
12787	408	11	prepare	prepare	VB
12787	408	12	standard	standard	JJ
12787	408	13	solutions	solution	NNS
12787	408	14	which	which	WDT
12787	408	15	differ	differ	VBP
12787	408	16	but	but	CC
12787	408	17	slightly	slightly	RB
12787	408	18	from	from	IN
12787	408	19	the	the	DT
12787	408	20	normal	normal	JJ
12787	408	21	or	or	CC
12787	408	22	half	half	JJ
12787	408	23	-	-	HYPH
12787	408	24	normal	normal	JJ
12787	408	25	solution	solution	NN
12787	408	26	,	,	,
12787	408	27	and	and	CC
12787	408	28	these	these	DT
12787	408	29	have	have	VBP
12787	408	30	the	the	DT
12787	408	31	advantage	advantage	NN
12787	408	32	of	of	IN
12787	408	33	practical	practical	JJ
12787	408	34	equality	equality	NN
12787	408	35	;	;	:
12787	408	36	that	that	RB
12787	408	37	is	is	RB
12787	408	38	,	,	,
12787	408	39	two	two	CD
12787	408	40	approximately	approximately	RB
12787	408	41	half	half	JJ
12787	408	42	-	-	HYPH
12787	408	43	normal	normal	JJ
12787	408	44	solutions	solution	NNS
12787	408	45	are	be	VBP
12787	408	46	more	more	RBR
12787	408	47	convenient	convenient	JJ
12787	408	48	to	to	TO
12787	408	49	work	work	VB
12787	408	50	with	with	IN
12787	408	51	than	than	IN
12787	408	52	two	two	CD
12787	408	53	which	which	WDT
12787	408	54	are	be	VBP
12787	408	55	widely	widely	RB
12787	408	56	different	different	JJ
12787	408	57	in	in	IN
12787	408	58	strength	strength	NN
12787	408	59	.	.	.
12787	409	1	It	-PRON-	PRP
12787	409	2	is	be	VBZ
12787	409	3	,	,	,
12787	409	4	however	however	RB
12787	409	5	,	,	,
12787	409	6	true	true	JJ
12787	409	7	that	that	IN
12787	409	8	some	some	DT
12787	409	9	of	of	IN
12787	409	10	the	the	DT
12787	409	11	advantage	advantage	NN
12787	409	12	which	which	WDT
12787	409	13	pertains	pertain	VBZ
12787	409	14	to	to	IN
12787	409	15	the	the	DT
12787	409	16	use	use	NN
12787	409	17	of	of	IN
12787	409	18	normal	normal	JJ
12787	409	19	solutions	solution	NNS
12787	409	20	as	as	IN
12787	409	21	regards	regard	VBZ
12787	409	22	simplicity	simplicity	NN
12787	409	23	of	of	IN
12787	409	24	calculations	calculation	NNS
12787	409	25	is	be	VBZ
12787	409	26	lost	lose	VBN
12787	409	27	when	when	WRB
12787	409	28	using	use	VBG
12787	409	29	these	these	DT
12787	409	30	approximate	approximate	JJ
12787	409	31	solutions	solution	NNS
12787	409	32	.	.	.
12787	410	1	The	the	DT
12787	410	2	application	application	NN
12787	410	3	of	of	IN
12787	410	4	these	these	DT
12787	410	5	general	general	JJ
12787	410	6	statements	statement	NNS
12787	410	7	will	will	MD
12787	410	8	be	be	VB
12787	410	9	made	make	VBN
12787	410	10	clear	clear	JJ
12787	410	11	in	in	IN
12787	410	12	connection	connection	NN
12787	410	13	with	with	IN
12787	410	14	the	the	DT
12787	410	15	use	use	NN
12787	410	16	of	of	IN
12787	410	17	normal	normal	JJ
12787	410	18	solutions	solution	NNS
12787	410	19	in	in	IN
12787	410	20	the	the	DT
12787	410	21	various	various	JJ
12787	410	22	types	type	NNS
12787	410	23	of	of	IN
12787	410	24	volumetric	volumetric	NN
12787	410	25	processes	process	NNS
12787	410	26	which	which	WDT
12787	410	27	follow	follow	VBP
12787	410	28	.	.	.
12787	411	1	I.	I.	NNP
12787	411	2	NEUTRALIZATION	NEUTRALIZATION	NNP
12787	411	3	METHODS	methods	JJ
12787	411	4	ALKALIMETRY	alkalimetry	NN
12787	411	5	AND	and	CC
12787	411	6	ACIDIMETRY	ACIDIMETRY	NNP
12787	411	7	GENERAL	GENERAL	NNP
12787	411	8	DISCUSSION	discussion	NN
12787	411	9	!	!	.
12787	411	10	Standard	Standard	NNP
12787	411	11	Acid	Acid	NNP
12787	411	12	Solutions	Solutions	NNPS
12787	411	13	!	!	.
12787	412	1	may	may	MD
12787	412	2	be	be	VB
12787	412	3	prepared	prepare	VBN
12787	412	4	from	from	IN
12787	412	5	either	either	DT
12787	412	6	hydrochloric	hydrochloric	JJ
12787	412	7	,	,	,
12787	412	8	sulphuric	sulphuric	JJ
12787	412	9	,	,	,
12787	412	10	or	or	CC
12787	412	11	oxalic	oxalic	JJ
12787	412	12	acid	acid	NN
12787	412	13	.	.	.
12787	413	1	Hydrochloric	hydrochloric	JJ
12787	413	2	acid	acid	NN
12787	413	3	has	have	VBZ
12787	413	4	the	the	DT
12787	413	5	advantage	advantage	NN
12787	413	6	of	of	IN
12787	413	7	forming	form	VBG
12787	413	8	soluble	soluble	JJ
12787	413	9	compounds	compound	NNS
12787	413	10	with	with	IN
12787	413	11	the	the	DT
12787	413	12	alkaline	alkaline	NN
12787	413	13	earths	earth	NNS
12787	413	14	,	,	,
12787	413	15	but	but	CC
12787	413	16	its	-PRON-	PRP$
12787	413	17	solutions	solution	NNS
12787	413	18	can	can	MD
12787	413	19	not	not	RB
12787	413	20	be	be	VB
12787	413	21	boiled	boil	VBN
12787	413	22	without	without	IN
12787	413	23	danger	danger	NN
12787	413	24	of	of	IN
12787	413	25	loss	loss	NN
12787	413	26	of	of	IN
12787	413	27	strength	strength	NN
12787	413	28	;	;	:
12787	413	29	sulphuric	sulphuric	JJ
12787	413	30	acid	acid	NN
12787	413	31	solutions	solution	NNS
12787	413	32	may	may	MD
12787	413	33	be	be	VB
12787	413	34	boiled	boil	VBN
12787	413	35	without	without	IN
12787	413	36	loss	loss	NN
12787	413	37	,	,	,
12787	413	38	but	but	CC
12787	413	39	the	the	DT
12787	413	40	acid	acid	JJ
12787	413	41	forms	form	NNS
12787	413	42	insoluble	insoluble	JJ
12787	413	43	sulphates	sulphate	NNS
12787	413	44	with	with	IN
12787	413	45	three	three	CD
12787	413	46	of	of	IN
12787	413	47	the	the	DT
12787	413	48	alkaline	alkaline	NN
12787	413	49	earths	earth	NNS
12787	413	50	;	;	:
12787	413	51	oxalic	oxalic	JJ
12787	413	52	acid	acid	NN
12787	413	53	can	can	MD
12787	413	54	be	be	VB
12787	413	55	accurately	accurately	RB
12787	413	56	weighed	weigh	VBN
12787	413	57	for	for	IN
12787	413	58	the	the	DT
12787	413	59	preparation	preparation	NN
12787	413	60	of	of	IN
12787	413	61	solutions	solution	NNS
12787	413	62	,	,	,
12787	413	63	and	and	CC
12787	413	64	its	-PRON-	PRP$
12787	413	65	solutions	solution	NNS
12787	413	66	may	may	MD
12787	413	67	be	be	VB
12787	413	68	boiled	boil	VBN
12787	413	69	without	without	IN
12787	413	70	loss	loss	NN
12787	413	71	,	,	,
12787	413	72	but	but	CC
12787	413	73	it	-PRON-	PRP
12787	413	74	forms	form	VBZ
12787	413	75	insoluble	insoluble	JJ
12787	413	76	oxalates	oxalate	NNS
12787	413	77	with	with	IN
12787	413	78	three	three	CD
12787	413	79	of	of	IN
12787	413	80	the	the	DT
12787	413	81	alkaline	alkaline	NN
12787	413	82	earths	earth	NNS
12787	413	83	and	and	CC
12787	413	84	can	can	MD
12787	413	85	not	not	RB
12787	413	86	be	be	VB
12787	413	87	used	use	VBN
12787	413	88	with	with	IN
12787	413	89	certain	certain	JJ
12787	413	90	of	of	IN
12787	413	91	the	the	DT
12787	413	92	indicators	indicator	NNS
12787	413	93	.	.	.
12787	414	1	!	!	.
12787	414	2	Standard	Standard	NNP
12787	414	3	Alkali	Alkali	NNP
12787	414	4	Solutions	Solutions	NNPS
12787	414	5	!	!	.
12787	415	1	may	may	MD
12787	415	2	be	be	VB
12787	415	3	prepared	prepare	VBN
12787	415	4	from	from	IN
12787	415	5	sodium	sodium	NN
12787	415	6	or	or	CC
12787	415	7	potassium	potassium	NN
12787	415	8	hydroxide	hydroxide	NN
12787	415	9	,	,	,
12787	415	10	sodium	sodium	NN
12787	415	11	carbonate	carbonate	NN
12787	415	12	,	,	,
12787	415	13	barium	barium	NN
12787	415	14	hydroxide	hydroxide	NN
12787	415	15	,	,	,
12787	415	16	or	or	CC
12787	415	17	ammonia	ammonia	NNP
12787	415	18	.	.	.
12787	416	1	Of	of	IN
12787	416	2	sodium	sodium	NN
12787	416	3	and	and	CC
12787	416	4	potassium	potassium	NN
12787	416	5	hydroxide	hydroxide	NN
12787	416	6	,	,	,
12787	416	7	it	-PRON-	PRP
12787	416	8	may	may	MD
12787	416	9	be	be	VB
12787	416	10	said	say	VBN
12787	416	11	that	that	IN
12787	416	12	they	-PRON-	PRP
12787	416	13	can	can	MD
12787	416	14	be	be	VB
12787	416	15	used	use	VBN
12787	416	16	with	with	IN
12787	416	17	all	all	DT
12787	416	18	indicators	indicator	NNS
12787	416	19	,	,	,
12787	416	20	and	and	CC
12787	416	21	their	-PRON-	PRP$
12787	416	22	solutions	solution	NNS
12787	416	23	may	may	MD
12787	416	24	be	be	VB
12787	416	25	boiled	boil	VBN
12787	416	26	,	,	,
12787	416	27	but	but	CC
12787	416	28	they	-PRON-	PRP
12787	416	29	absorb	absorb	VBP
12787	416	30	carbon	carbon	NN
12787	416	31	dioxide	dioxide	VBP
12787	416	32	readily	readily	RB
12787	416	33	and	and	CC
12787	416	34	attack	attack	VB
12787	416	35	the	the	DT
12787	416	36	glass	glass	NN
12787	416	37	of	of	IN
12787	416	38	bottles	bottle	NNS
12787	416	39	,	,	,
12787	416	40	thereby	thereby	RB
12787	416	41	losing	lose	VBG
12787	416	42	strength	strength	NN
12787	416	43	;	;	:
12787	416	44	sodium	sodium	NN
12787	416	45	carbonate	carbonate	NN
12787	416	46	may	may	MD
12787	416	47	be	be	VB
12787	416	48	weighed	weigh	VBN
12787	416	49	directly	directly	RB
12787	416	50	if	if	IN
12787	416	51	its	-PRON-	PRP$
12787	416	52	purity	purity	NN
12787	416	53	is	be	VBZ
12787	416	54	assured	assure	VBN
12787	416	55	,	,	,
12787	416	56	but	but	CC
12787	416	57	the	the	DT
12787	416	58	presence	presence	NN
12787	416	59	of	of	IN
12787	416	60	carbonic	carbonic	JJ
12787	416	61	acid	acid	NN
12787	416	62	from	from	IN
12787	416	63	the	the	DT
12787	416	64	carbonate	carbonate	NN
12787	416	65	is	be	VBZ
12787	416	66	a	a	DT
12787	416	67	disadvantage	disadvantage	NN
12787	416	68	with	with	IN
12787	416	69	many	many	JJ
12787	416	70	indicators	indicator	NNS
12787	416	71	;	;	:
12787	416	72	barium	barium	NN
12787	416	73	hydroxide	hydroxide	NN
12787	416	74	solutions	solution	NNS
12787	416	75	may	may	MD
12787	416	76	be	be	VB
12787	416	77	prepared	prepare	VBN
12787	416	78	which	which	WDT
12787	416	79	are	be	VBP
12787	416	80	entirely	entirely	RB
12787	416	81	free	free	JJ
12787	416	82	from	from	IN
12787	416	83	carbon	carbon	NN
12787	416	84	dioxide	dioxide	NN
12787	416	85	,	,	,
12787	416	86	and	and	CC
12787	416	87	such	such	JJ
12787	416	88	solutions	solution	NNS
12787	416	89	immediately	immediately	RB
12787	416	90	show	show	VBP
12787	416	91	by	by	IN
12787	416	92	precipitation	precipitation	NN
12787	416	93	any	any	DT
12787	416	94	contamination	contamination	NN
12787	416	95	from	from	IN
12787	416	96	absorption	absorption	NN
12787	416	97	,	,	,
12787	416	98	but	but	CC
12787	416	99	the	the	DT
12787	416	100	hydroxide	hydroxide	NN
12787	416	101	is	be	VBZ
12787	416	102	not	not	RB
12787	416	103	freely	freely	RB
12787	416	104	soluble	soluble	JJ
12787	416	105	in	in	IN
12787	416	106	water	water	NN
12787	416	107	;	;	:
12787	416	108	ammonia	ammonia	NNP
12787	416	109	does	do	VBZ
12787	416	110	not	not	RB
12787	416	111	absorb	absorb	VB
12787	416	112	carbon	carbon	NN
12787	416	113	dioxide	dioxide	NN
12787	416	114	as	as	RB
12787	416	115	readily	readily	RB
12787	416	116	as	as	IN
12787	416	117	the	the	DT
12787	416	118	caustic	caustic	JJ
12787	416	119	alkalies	alkali	NNS
12787	416	120	,	,	,
12787	416	121	but	but	CC
12787	416	122	its	-PRON-	PRP$
12787	416	123	solutions	solution	NNS
12787	416	124	can	can	MD
12787	416	125	not	not	RB
12787	416	126	be	be	VB
12787	416	127	boiled	boil	VBN
12787	416	128	nor	nor	CC
12787	416	129	can	can	MD
12787	416	130	they	-PRON-	PRP
12787	416	131	be	be	VB
12787	416	132	used	use	VBN
12787	416	133	with	with	IN
12787	416	134	all	all	DT
12787	416	135	indicators	indicator	NNS
12787	416	136	.	.	.
12787	417	1	The	the	DT
12787	417	2	choice	choice	NN
12787	417	3	of	of	IN
12787	417	4	a	a	DT
12787	417	5	solution	solution	NN
12787	417	6	must	must	MD
12787	417	7	depend	depend	VB
12787	417	8	upon	upon	IN
12787	417	9	the	the	DT
12787	417	10	nature	nature	NN
12787	417	11	of	of	IN
12787	417	12	the	the	DT
12787	417	13	work	work	NN
12787	417	14	in	in	IN
12787	417	15	hand	hand	NN
12787	417	16	.	.	.
12787	418	1	A	a	DT
12787	418	2	!	!	.
12787	418	3	normal	normal	JJ
12787	418	4	acid	acid	NN
12787	418	5	solution	solution	NN
12787	418	6	!	!	.
12787	419	1	should	should	MD
12787	419	2	contain	contain	VB
12787	419	3	in	in	IN
12787	419	4	one	one	CD
12787	419	5	liter	liter	NN
12787	419	6	that	that	DT
12787	419	7	quantity	quantity	NN
12787	419	8	of	of	IN
12787	419	9	the	the	DT
12787	419	10	reagent	reagent	NN
12787	419	11	which	which	WDT
12787	419	12	represents	represent	VBZ
12787	419	13	1	1	CD
12787	419	14	gram	gram	NN
12787	419	15	of	of	IN
12787	419	16	hydrogen	hydrogen	NN
12787	419	17	replaceable	replaceable	JJ
12787	419	18	by	by	IN
12787	419	19	a	a	DT
12787	419	20	base	base	NN
12787	419	21	.	.	.
12787	420	1	For	for	IN
12787	420	2	example	example	NN
12787	420	3	,	,	,
12787	420	4	the	the	DT
12787	420	5	normal	normal	JJ
12787	420	6	solution	solution	NN
12787	420	7	of	of	IN
12787	420	8	hydrochloric	hydrochloric	JJ
12787	420	9	acid	acid	NN
12787	420	10	(	(	-LRB-
12787	420	11	HCl	HCl	NNP
12787	420	12	)	)	-RRB-
12787	420	13	should	should	MD
12787	420	14	contain	contain	VB
12787	420	15	36.46	36.46	CD
12787	420	16	grams	gram	NNS
12787	420	17	of	of	IN
12787	420	18	gaseous	gaseous	JJ
12787	420	19	hydrogen	hydrogen	NN
12787	420	20	chloride	chloride	NN
12787	420	21	,	,	,
12787	420	22	since	since	IN
12787	420	23	that	that	DT
12787	420	24	amount	amount	NN
12787	420	25	furnishes	furnish	VBZ
12787	420	26	the	the	DT
12787	420	27	requisite	requisite	JJ
12787	420	28	1	1	CD
12787	420	29	gram	gram	NN
12787	420	30	of	of	IN
12787	420	31	replaceable	replaceable	JJ
12787	420	32	hydrogen	hydrogen	NN
12787	420	33	.	.	.
12787	421	1	On	on	IN
12787	421	2	the	the	DT
12787	421	3	other	other	JJ
12787	421	4	hand	hand	NN
12787	421	5	,	,	,
12787	421	6	the	the	DT
12787	421	7	normal	normal	JJ
12787	421	8	solution	solution	NN
12787	421	9	of	of	IN
12787	421	10	sulphuric	sulphuric	JJ
12787	421	11	acid	acid	NN
12787	421	12	(	(	-LRB-
12787	421	13	H_{2}SO_{4	H_{2}SO_{4	NNP
12787	421	14	}	}	-RRB-
12787	421	15	)	)	-RRB-
12787	421	16	should	should	MD
12787	421	17	contain	contain	VB
12787	421	18	only	only	RB
12787	421	19	49.03	49.03	CD
12787	421	20	grams	gram	NNS
12787	421	21	,	,	,
12787	421	22	i.e.	i.e.	FW
12787	421	23	,	,	,
12787	421	24	one	one	CD
12787	421	25	half	half	NN
12787	421	26	of	of	IN
12787	421	27	its	-PRON-	PRP$
12787	421	28	molecular	molecular	JJ
12787	421	29	weight	weight	NN
12787	421	30	in	in	IN
12787	421	31	grams	gram	NNS
12787	421	32	.	.	.
12787	422	1	A	a	DT
12787	422	2	!	!	.
12787	422	3	normal	normal	JJ
12787	422	4	alkali	alkali	JJ
12787	422	5	solution	solution	NN
12787	422	6	!	!	.
12787	423	1	should	should	MD
12787	423	2	contain	contain	VB
12787	423	3	sufficient	sufficient	JJ
12787	423	4	alkali	alkali	NNP
12787	423	5	in	in	IN
12787	423	6	a	a	DT
12787	423	7	liter	liter	NN
12787	423	8	to	to	TO
12787	423	9	replace	replace	VB
12787	423	10	1	1	CD
12787	423	11	gram	gram	NN
12787	423	12	of	of	IN
12787	423	13	hydrogen	hydrogen	NN
12787	423	14	in	in	IN
12787	423	15	an	an	DT
12787	423	16	acid	acid	NN
12787	423	17	.	.	.
12787	424	1	This	this	DT
12787	424	2	quantity	quantity	NN
12787	424	3	is	be	VBZ
12787	424	4	represented	represent	VBN
12787	424	5	by	by	IN
12787	424	6	the	the	DT
12787	424	7	molecular	molecular	JJ
12787	424	8	weight	weight	NN
12787	424	9	in	in	IN
12787	424	10	grams	grams	NNP
12787	424	11	(	(	-LRB-
12787	424	12	40.01	40.01	CD
12787	424	13	)	)	-RRB-
12787	424	14	of	of	IN
12787	424	15	sodium	sodium	NN
12787	424	16	hydroxide	hydroxide	NN
12787	424	17	(	(	-LRB-
12787	424	18	NaOH	NaOH	NNP
12787	424	19	)	)	-RRB-
12787	424	20	,	,	,
12787	424	21	while	while	IN
12787	424	22	a	a	DT
12787	424	23	sodium	sodium	NN
12787	424	24	carbonate	carbonate	NN
12787	424	25	solution	solution	NN
12787	424	26	(	(	-LRB-
12787	424	27	Na_{2}CO_{3	Na_{2}CO_{3	NNP
12787	424	28	}	}	-RRB-
12787	424	29	)	)	-RRB-
12787	424	30	should	should	MD
12787	424	31	contain	contain	VB
12787	424	32	but	but	CC
12787	424	33	one	one	CD
12787	424	34	half	half	PDT
12787	424	35	the	the	DT
12787	424	36	molecular	molecular	JJ
12787	424	37	weight	weight	NN
12787	424	38	in	in	IN
12787	424	39	grams	grams	NNP
12787	424	40	(	(	-LRB-
12787	424	41	i.e.	i.e.	FW
12787	424	42	,	,	,
12787	424	43	53.0	53.0	CD
12787	424	44	grams	gram	NNS
12787	424	45	)	)	-RRB-
12787	424	46	in	in	IN
12787	424	47	a	a	DT
12787	424	48	liter	liter	NN
12787	424	49	of	of	IN
12787	424	50	normal	normal	JJ
12787	424	51	solution	solution	NN
12787	424	52	.	.	.
12787	425	1	Half	half	JJ
12787	425	2	-	-	HYPH
12787	425	3	normal	normal	JJ
12787	425	4	or	or	CC
12787	425	5	tenth	tenth	JJ
12787	425	6	-	-	HYPH
12787	425	7	normal	normal	JJ
12787	425	8	solutions	solution	NNS
12787	425	9	are	be	VBP
12787	425	10	employed	employ	VBN
12787	425	11	in	in	IN
12787	425	12	most	most	JJS
12787	425	13	analyses	analysis	NNS
12787	425	14	(	(	-LRB-
12787	425	15	except	except	IN
12787	425	16	in	in	IN
12787	425	17	the	the	DT
12787	425	18	case	case	NN
12787	425	19	of	of	IN
12787	425	20	the	the	DT
12787	425	21	less	less	RBR
12787	425	22	soluble	soluble	JJ
12787	425	23	barium	barium	NN
12787	425	24	hydroxide	hydroxide	NN
12787	425	25	)	)	-RRB-
12787	425	26	.	.	.
12787	426	1	Solutions	solution	NNS
12787	426	2	of	of	IN
12787	426	3	the	the	DT
12787	426	4	latter	latter	JJ
12787	426	5	strength	strength	NN
12787	426	6	yield	yield	VBP
12787	426	7	more	more	RBR
12787	426	8	accurate	accurate	JJ
12787	426	9	results	result	NNS
12787	426	10	when	when	WRB
12787	426	11	small	small	JJ
12787	426	12	percentages	percentage	NNS
12787	426	13	of	of	IN
12787	426	14	acid	acid	NN
12787	426	15	or	or	CC
12787	426	16	alkali	alkali	JJ
12787	426	17	are	be	VBP
12787	426	18	to	to	TO
12787	426	19	be	be	VB
12787	426	20	determined	determine	VBN
12787	426	21	.	.	.
12787	427	1	INDICATORS	INDICATORS	NNP
12787	427	2	It	-PRON-	PRP
12787	427	3	has	have	VBZ
12787	427	4	already	already	RB
12787	427	5	been	be	VBN
12787	427	6	pointed	point	VBN
12787	427	7	out	out	RP
12787	427	8	that	that	IN
12787	427	9	the	the	DT
12787	427	10	purpose	purpose	NN
12787	427	11	of	of	IN
12787	427	12	an	an	DT
12787	427	13	indicator	indicator	NN
12787	427	14	is	be	VBZ
12787	427	15	to	to	TO
12787	427	16	mark	mark	VB
12787	427	17	(	(	-LRB-
12787	427	18	usually	usually	RB
12787	427	19	by	by	IN
12787	427	20	a	a	DT
12787	427	21	change	change	NN
12787	427	22	of	of	IN
12787	427	23	color	color	NN
12787	427	24	)	)	-RRB-
12787	427	25	the	the	DT
12787	427	26	point	point	NN
12787	427	27	at	at	IN
12787	427	28	which	which	WDT
12787	427	29	just	just	RB
12787	427	30	enough	enough	RB
12787	427	31	of	of	IN
12787	427	32	the	the	DT
12787	427	33	titrating	titrating	NN
12787	427	34	solution	solution	NN
12787	427	35	has	have	VBZ
12787	427	36	been	be	VBN
12787	427	37	added	add	VBN
12787	427	38	to	to	TO
12787	427	39	complete	complete	VB
12787	427	40	the	the	DT
12787	427	41	chemical	chemical	NN
12787	427	42	change	change	NN
12787	427	43	which	which	WDT
12787	427	44	it	-PRON-	PRP
12787	427	45	is	be	VBZ
12787	427	46	intended	intend	VBN
12787	427	47	to	to	TO
12787	427	48	bring	bring	VB
12787	427	49	about	about	RP
12787	427	50	.	.	.
12787	428	1	In	in	IN
12787	428	2	the	the	DT
12787	428	3	neutralization	neutralization	NN
12787	428	4	processes	process	NNS
12787	428	5	which	which	WDT
12787	428	6	are	be	VBP
12787	428	7	employed	employ	VBN
12787	428	8	in	in	IN
12787	428	9	the	the	DT
12787	428	10	measurement	measurement	NN
12787	428	11	of	of	IN
12787	428	12	alkalies	alkali	NNS
12787	428	13	(	(	-LRB-
12787	428	14	!	!	.
12787	428	15	alkalimetry	alkalimetry	NN
12787	428	16	!	!	.
12787	428	17	)	)	-RRB-
12787	429	1	or	or	CC
12787	429	2	acids	acids	NNP
12787	429	3	(	(	-LRB-
12787	429	4	!	!	.
12787	429	5	acidimetry	acidimetry	NNP
12787	429	6	!	!	.
12787	429	7	)	)	-RRB-
12787	430	1	the	the	DT
12787	430	2	end	end	NN
12787	430	3	-	-	HYPH
12787	430	4	point	point	NN
12787	430	5	of	of	IN
12787	430	6	the	the	DT
12787	430	7	reaction	reaction	NN
12787	430	8	should	should	MD
12787	430	9	,	,	,
12787	430	10	in	in	IN
12787	430	11	principle	principle	NN
12787	430	12	,	,	,
12787	430	13	be	be	VB
12787	430	14	that	that	DT
12787	430	15	of	of	IN
12787	430	16	complete	complete	JJ
12787	430	17	neutrality	neutrality	NN
12787	430	18	.	.	.
12787	431	1	Expressed	express	VBN
12787	431	2	in	in	IN
12787	431	3	terms	term	NNS
12787	431	4	of	of	IN
12787	431	5	ionic	ionic	JJ
12787	431	6	reactions	reaction	NNS
12787	431	7	,	,	,
12787	431	8	it	-PRON-	PRP
12787	431	9	should	should	MD
12787	431	10	be	be	VB
12787	431	11	the	the	DT
12787	431	12	point	point	NN
12787	431	13	at	at	IN
12787	431	14	which	which	WDT
12787	431	15	the	the	DT
12787	431	16	H^{+	H^{+	NNP
12787	431	17	}	}	-RRB-
12787	431	18	ions	ion	NNS
12787	431	19	from	from	IN
12787	431	20	an	an	DT
12787	431	21	acid[Note	acid[Note	NNP
12787	431	22	1	1	CD
12787	431	23	]	]	-RRB-
12787	431	24	unite	unite	VB
12787	431	25	with	with	IN
12787	431	26	a	a	DT
12787	431	27	corresponding	corresponding	JJ
12787	431	28	number	number	NN
12787	431	29	of	of	IN
12787	431	30	OH^{-	oh^{-	CD
12787	431	31	}	}	-RRB-
12787	431	32	ions	ion	NNS
12787	431	33	from	from	IN
12787	431	34	a	a	DT
12787	431	35	base	base	NN
12787	431	36	to	to	TO
12787	431	37	form	form	VB
12787	431	38	water	water	NN
12787	431	39	molecules	molecule	NNS
12787	431	40	,	,	,
12787	431	41	as	as	IN
12787	431	42	in	in	IN
12787	431	43	the	the	DT
12787	431	44	equation	equation	NN
12787	431	45	H^{+	H^{+	NNP
12787	431	46	}	}	-RRB-
12787	431	47	,	,	,
12787	431	48	Cl^{-	Cl^{-	NNP
12787	431	49	}	}	-RRB-
12787	431	50	+	+	NFP
12787	431	51	Na^{+	Na^{+	NNP
12787	431	52	}	}	-RRB-
12787	431	53	,	,	,
12787	431	54	OH^{-	oh^{-	CD
12787	431	55	}	}	-RRB-
12787	431	56	--	--	:
12787	431	57	>	>	XX
12787	431	58	Na^{+	Na^{+	NNP
12787	431	59	}	}	-RRB-
12787	431	60	,	,	,
12787	431	61	Cl^{-	Cl^{-	NNP
12787	431	62	}	}	-RRB-
12787	431	63	+	+	CC
12787	431	64	(	(	-LRB-
12787	431	65	H_{2}O	H_{2}O	NNP
12787	431	66	)	)	-RRB-
12787	431	67	.	.	.
12787	432	1	It	-PRON-	PRP
12787	432	2	is	be	VBZ
12787	432	3	not	not	RB
12787	432	4	usually	usually	RB
12787	432	5	possible	possible	JJ
12787	432	6	to	to	TO
12787	432	7	realize	realize	VB
12787	432	8	this	this	DT
12787	432	9	condition	condition	NN
12787	432	10	of	of	IN
12787	432	11	exact	exact	JJ
12787	432	12	neutrality	neutrality	NN
12787	432	13	,	,	,
12787	432	14	but	but	CC
12787	432	15	it	-PRON-	PRP
12787	432	16	is	be	VBZ
12787	432	17	possible	possible	JJ
12787	432	18	to	to	TO
12787	432	19	approach	approach	VB
12787	432	20	it	-PRON-	PRP
12787	432	21	with	with	IN
12787	432	22	sufficient	sufficient	JJ
12787	432	23	exactness	exactness	NN
12787	432	24	for	for	IN
12787	432	25	analytical	analytical	JJ
12787	432	26	purposes	purpose	NNS
12787	432	27	,	,	,
12787	432	28	since	since	IN
12787	432	29	substances	substance	NNS
12787	432	30	are	be	VBP
12787	432	31	known	know	VBN
12787	432	32	which	which	WDT
12787	432	33	,	,	,
12787	432	34	in	in	IN
12787	432	35	solution	solution	NN
12787	432	36	,	,	,
12787	432	37	undergo	undergo	VBP
12787	432	38	a	a	DT
12787	432	39	sharp	sharp	JJ
12787	432	40	change	change	NN
12787	432	41	of	of	IN
12787	432	42	color	color	NN
12787	432	43	as	as	RB
12787	432	44	soon	soon	RB
12787	432	45	as	as	IN
12787	432	46	even	even	RB
12787	432	47	a	a	DT
12787	432	48	minute	minute	JJ
12787	432	49	excess	excess	NN
12787	432	50	of	of	IN
12787	432	51	H^{+	H^{+	NNP
12787	432	52	}	}	-RRB-
12787	432	53	or	or	CC
12787	432	54	OH^{-	oh^{-	CD
12787	432	55	}	}	-RRB-
12787	432	56	ions	ion	NNS
12787	432	57	are	be	VBP
12787	432	58	present	present	JJ
12787	432	59	.	.	.
12787	433	1	Some	some	DT
12787	433	2	,	,	,
12787	433	3	as	as	IN
12787	433	4	will	will	MD
12787	433	5	be	be	VB
12787	433	6	seen	see	VBN
12787	433	7	,	,	,
12787	433	8	react	react	VB
12787	433	9	sharply	sharply	RB
12787	433	10	in	in	IN
12787	433	11	the	the	DT
12787	433	12	presence	presence	NN
12787	433	13	of	of	IN
12787	433	14	H^{+	H^{+	NNP
12787	433	15	}	}	-RRB-
12787	433	16	ions	ion	NNS
12787	433	17	,	,	,
12787	433	18	and	and	CC
12787	433	19	others	other	NNS
12787	433	20	with	with	IN
12787	433	21	OH^{-	oh^{-	CD
12787	433	22	}	}	-RRB-
12787	433	23	ions	ion	NNS
12787	433	24	.	.	.
12787	434	1	These	these	DT
12787	434	2	substances	substance	NNS
12787	434	3	employed	employ	VBN
12787	434	4	as	as	IN
12787	434	5	indicators	indicator	NNS
12787	434	6	are	be	VBP
12787	434	7	usually	usually	RB
12787	434	8	organic	organic	JJ
12787	434	9	compounds	compound	NNS
12787	434	10	of	of	IN
12787	434	11	complex	complex	JJ
12787	434	12	structure	structure	NN
12787	434	13	and	and	CC
12787	434	14	are	be	VBP
12787	434	15	closely	closely	RB
12787	434	16	allied	ally	VBN
12787	434	17	to	to	IN
12787	434	18	the	the	DT
12787	434	19	dyestuffs	dyestuff	NNS
12787	434	20	in	in	IN
12787	434	21	character	character	NN
12787	434	22	.	.	.
12787	435	1	[	[	-LRB-
12787	435	2	Note	note	NN
12787	435	3	1	1	CD
12787	435	4	:	:	:
12787	435	5	A	a	DT
12787	435	6	knowledge	knowledge	NN
12787	435	7	on	on	IN
12787	435	8	the	the	DT
12787	435	9	part	part	NN
12787	435	10	of	of	IN
12787	435	11	the	the	DT
12787	435	12	student	student	NN
12787	435	13	of	of	IN
12787	435	14	the	the	DT
12787	435	15	ionic	ionic	JJ
12787	435	16	theory	theory	NN
12787	435	17	as	as	IN
12787	435	18	applied	apply	VBN
12787	435	19	to	to	IN
12787	435	20	aqueous	aqueous	JJ
12787	435	21	solutions	solution	NNS
12787	435	22	of	of	IN
12787	435	23	electrolytes	electrolyte	NNS
12787	435	24	is	be	VBZ
12787	435	25	assumed	assume	VBN
12787	435	26	.	.	.
12787	436	1	A	a	DT
12787	436	2	brief	brief	JJ
12787	436	3	outline	outline	NN
12787	436	4	of	of	IN
12787	436	5	the	the	DT
12787	436	6	more	more	RBR
12787	436	7	important	important	JJ
12787	436	8	applications	application	NNS
12787	436	9	of	of	IN
12787	436	10	the	the	DT
12787	436	11	theory	theory	NN
12787	436	12	is	be	VBZ
12787	436	13	given	give	VBN
12787	436	14	in	in	IN
12787	436	15	the	the	DT
12787	436	16	Appendix	Appendix	NNP
12787	436	17	.	.	.
12787	436	18	]	]	-RRB-
12787	437	1	BEHAVIOR	BEHAVIOR	NNP
12787	437	2	OF	of	IN
12787	437	3	ORGANIC	ORGANIC	NNP
12787	437	4	INDICATORS	INDICATORS	NNP
12787	437	5	The	the	DT
12787	437	6	indicators	indicator	NNS
12787	437	7	in	in	IN
12787	437	8	most	most	JJS
12787	437	9	common	common	JJ
12787	437	10	use	use	NN
12787	437	11	for	for	IN
12787	437	12	acid	acid	NN
12787	437	13	and	and	CC
12787	437	14	alkali	alkali	JJ
12787	437	15	titrations	titration	NNS
12787	437	16	are	be	VBP
12787	437	17	methyl	methyl	NN
12787	437	18	orange	orange	NNP
12787	437	19	,	,	,
12787	437	20	litmus	litmus	NNP
12787	437	21	,	,	,
12787	437	22	and	and	CC
12787	437	23	phenolphthalein	phenolphthalein	NNP
12787	437	24	.	.	.
12787	438	1	In	in	IN
12787	438	2	the	the	DT
12787	438	3	following	follow	VBG
12787	438	4	discussion	discussion	NN
12787	438	5	of	of	IN
12787	438	6	the	the	DT
12787	438	7	principles	principle	NNS
12787	438	8	underlying	underlie	VBG
12787	438	9	the	the	DT
12787	438	10	behavior	behavior	NN
12787	438	11	of	of	IN
12787	438	12	the	the	DT
12787	438	13	indicators	indicator	NNS
12787	438	14	as	as	IN
12787	438	15	a	a	DT
12787	438	16	class	class	NN
12787	438	17	,	,	,
12787	438	18	methyl	methyl	NN
12787	438	19	orange	orange	NNP
12787	438	20	and	and	CC
12787	438	21	phenolphthalein	phenolphthalein	NNP
12787	438	22	will	will	MD
12787	438	23	be	be	VB
12787	438	24	taken	take	VBN
12787	438	25	as	as	IN
12787	438	26	types	type	NNS
12787	438	27	.	.	.
12787	439	1	It	-PRON-	PRP
12787	439	2	has	have	VBZ
12787	439	3	just	just	RB
12787	439	4	been	be	VBN
12787	439	5	pointed	point	VBN
12787	439	6	out	out	RP
12787	439	7	that	that	IN
12787	439	8	indicators	indicator	NNS
12787	439	9	are	be	VBP
12787	439	10	bodies	body	NNS
12787	439	11	of	of	IN
12787	439	12	complicated	complicated	JJ
12787	439	13	structure	structure	NN
12787	439	14	.	.	.
12787	440	1	In	in	IN
12787	440	2	the	the	DT
12787	440	3	case	case	NN
12787	440	4	of	of	IN
12787	440	5	the	the	DT
12787	440	6	two	two	CD
12787	440	7	indicators	indicator	NNS
12787	440	8	named	name	VBN
12787	440	9	,	,	,
12787	440	10	the	the	DT
12787	440	11	changes	change	NNS
12787	440	12	which	which	WDT
12787	440	13	they	-PRON-	PRP
12787	440	14	undergo	undergo	VBP
12787	440	15	have	have	VBP
12787	440	16	been	be	VBN
12787	440	17	carefully	carefully	RB
12787	440	18	studied	study	VBN
12787	440	19	by	by	IN
12787	440	20	Stieglitz	Stieglitz	NNP
12787	440	21	(	(	-LRB-
12787	440	22	!	!	.
12787	440	23	J.	J.	NNP
12787	441	1	Am	Am	NNP
12787	441	2	.	.	.
12787	442	1	Chem	Chem	NNP
12787	442	2	.	.	.
12787	443	1	Soc	Soc	NNP
12787	443	2	.	.	.
12787	444	1	!	!	.
12787	444	2	,	,	,
12787	444	3	25	25	CD
12787	444	4	,	,	,
12787	444	5	1112	1112	CD
12787	444	6	)	)	-RRB-
12787	444	7	and	and	CC
12787	444	8	others	other	NNS
12787	444	9	,	,	,
12787	444	10	and	and	CC
12787	444	11	it	-PRON-	PRP
12787	444	12	appears	appear	VBZ
12787	444	13	that	that	IN
12787	444	14	the	the	DT
12787	444	15	changes	change	NNS
12787	444	16	involved	involve	VBN
12787	444	17	are	be	VBP
12787	444	18	of	of	IN
12787	444	19	two	two	CD
12787	444	20	sorts	sort	NNS
12787	444	21	:	:	:
12787	444	22	First	first	RB
12787	444	23	,	,	,
12787	444	24	a	a	DT
12787	444	25	rearrangement	rearrangement	NN
12787	444	26	of	of	IN
12787	444	27	the	the	DT
12787	444	28	atoms	atom	NNS
12787	444	29	within	within	IN
12787	444	30	the	the	DT
12787	444	31	molecule	molecule	NN
12787	444	32	,	,	,
12787	444	33	such	such	JJ
12787	444	34	as	as	IN
12787	444	35	often	often	RB
12787	444	36	occurs	occur	VBZ
12787	444	37	in	in	IN
12787	444	38	organic	organic	JJ
12787	444	39	compounds	compound	NNS
12787	444	40	;	;	,
12787	444	41	and	and	CC
12787	444	42	,	,	,
12787	444	43	second	second	JJ
12787	444	44	,	,	,
12787	444	45	ionic	ionic	JJ
12787	444	46	changes	change	NNS
12787	444	47	.	.	.
12787	445	1	The	the	DT
12787	445	2	intermolecular	intermolecular	JJ
12787	445	3	changes	change	NNS
12787	445	4	can	can	MD
12787	445	5	not	not	RB
12787	445	6	appropriately	appropriately	RB
12787	445	7	be	be	VB
12787	445	8	discussed	discuss	VBN
12787	445	9	here	here	RB
12787	445	10	,	,	,
12787	445	11	as	as	IN
12787	445	12	they	-PRON-	PRP
12787	445	13	involve	involve	VBP
12787	445	14	a	a	DT
12787	445	15	somewhat	somewhat	RB
12787	445	16	detailed	detailed	JJ
12787	445	17	knowledge	knowledge	NN
12787	445	18	of	of	IN
12787	445	19	the	the	DT
12787	445	20	classification	classification	NN
12787	445	21	and	and	CC
12787	445	22	general	general	JJ
12787	445	23	behavior	behavior	NN
12787	445	24	of	of	IN
12787	445	25	organic	organic	JJ
12787	445	26	compounds	compound	NNS
12787	445	27	;	;	:
12787	445	28	they	-PRON-	PRP
12787	445	29	will	will	MD
12787	445	30	,	,	,
12787	445	31	therefore	therefore	RB
12787	445	32	,	,	,
12787	445	33	be	be	VB
12787	445	34	merely	merely	RB
12787	445	35	alluded	allude	VBN
12787	445	36	to	to	IN
12787	445	37	,	,	,
12787	445	38	and	and	CC
12787	445	39	only	only	RB
12787	445	40	the	the	DT
12787	445	41	ionic	ionic	JJ
12787	445	42	changes	change	NNS
12787	445	43	followed	follow	VBD
12787	445	44	.	.	.
12787	446	1	Methyl	methyl	NN
12787	446	2	orange	orange	NN
12787	446	3	is	be	VBZ
12787	446	4	a	a	DT
12787	446	5	representative	representative	NN
12787	446	6	of	of	IN
12787	446	7	the	the	DT
12787	446	8	group	group	NN
12787	446	9	of	of	IN
12787	446	10	indicators	indicator	NNS
12787	446	11	which	which	WDT
12787	446	12	,	,	,
12787	446	13	in	in	IN
12787	446	14	aqueous	aqueous	JJ
12787	446	15	solutions	solution	NNS
12787	446	16	,	,	,
12787	446	17	behave	behave	VBP
12787	446	18	as	as	IN
12787	446	19	weak	weak	JJ
12787	446	20	bases	basis	NNS
12787	446	21	.	.	.
12787	447	1	The	the	DT
12787	447	2	yellow	yellow	JJ
12787	447	3	color	color	NN
12787	447	4	which	which	WDT
12787	447	5	it	-PRON-	PRP
12787	447	6	imparts	impart	VBZ
12787	447	7	to	to	IN
12787	447	8	solutions	solution	NNS
12787	447	9	is	be	VBZ
12787	447	10	ascribed	ascribe	VBN
12787	447	11	to	to	IN
12787	447	12	the	the	DT
12787	447	13	presence	presence	NN
12787	447	14	of	of	IN
12787	447	15	the	the	DT
12787	447	16	undissociated	undissociated	JJ
12787	447	17	base	base	NN
12787	447	18	.	.	.
12787	448	1	If	if	IN
12787	448	2	an	an	DT
12787	448	3	acid	acid	NN
12787	448	4	,	,	,
12787	448	5	such	such	JJ
12787	448	6	as	as	IN
12787	448	7	HCl	HCl	NNP
12787	448	8	,	,	,
12787	448	9	is	be	VBZ
12787	448	10	added	add	VBN
12787	448	11	to	to	IN
12787	448	12	such	such	PDT
12787	448	13	a	a	DT
12787	448	14	solution	solution	NN
12787	448	15	,	,	,
12787	448	16	the	the	DT
12787	448	17	acid	acid	NN
12787	448	18	reacts	react	NNS
12787	448	19	with	with	IN
12787	448	20	the	the	DT
12787	448	21	indicator	indicator	NN
12787	448	22	(	(	-LRB-
12787	448	23	neutralizes	neutralize	VBZ
12787	448	24	it	-PRON-	PRP
12787	448	25	)	)	-RRB-
12787	448	26	and	and	CC
12787	448	27	a	a	DT
12787	448	28	salt	salt	NN
12787	448	29	is	be	VBZ
12787	448	30	formed	form	VBN
12787	448	31	,	,	,
12787	448	32	as	as	IN
12787	448	33	indicated	indicate	VBN
12787	448	34	by	by	IN
12787	448	35	the	the	DT
12787	448	36	equation	equation	NN
12787	448	37	:	:	:
12787	448	38	(	(	-LRB-
12787	448	39	M.o	M.o	NNP
12787	448	40	.	.	.
12787	449	1	)	)	-RRB-
12787	449	2	^{+	^{+	NNP
12787	449	3	}	}	-RRB-
12787	449	4	,	,	,
12787	449	5	OH^{-	oh^{-	ADD
12787	449	6	}	}	-RRB-
12787	449	7	+	+	SYM
12787	449	8	H^{+	H^{+	NNP
12787	449	9	}	}	-RRB-
12787	449	10	,	,	,
12787	449	11	Cl^{-	Cl^{-	NNP
12787	449	12	}	}	-RRB-
12787	449	13	--	--	:
12787	449	14	>	>	XX
12787	449	15	(	(	-LRB-
12787	449	16	M.o	M.o	NNP
12787	449	17	.	.	.
12787	450	1	)	)	-RRB-
12787	450	2	^{+	^{+	NNP
12787	450	3	}	}	-RRB-
12787	450	4	Cl^{-	cl^{-	NN
12787	450	5	}	}	-RRB-
12787	450	6	+	+	CC
12787	450	7	(	(	-LRB-
12787	450	8	H_{2}O	H_{2}O	NNP
12787	450	9	)	)	-RRB-
12787	450	10	.	.	.
12787	451	1	This	this	DT
12787	451	2	salt	salt	NN
12787	451	3	ionizes	ionize	VBZ
12787	451	4	into	into	IN
12787	451	5	(	(	-LRB-
12787	451	6	M.o	M.o	NNP
12787	451	7	.	.	.
12787	452	1	)	)	-RRB-
12787	452	2	^{+	^{+	NNP
12787	452	3	}	}	-RRB-
12787	452	4	(	(	-LRB-
12787	452	5	using	use	VBG
12787	452	6	this	this	DT
12787	452	7	abbreviation	abbreviation	NN
12787	452	8	for	for	IN
12787	452	9	the	the	DT
12787	452	10	positive	positive	JJ
12787	452	11	complex	complex	NN
12787	452	12	)	)	-RRB-
12787	452	13	and	and	CC
12787	452	14	Cl^{-	Cl^{-	NNP
12787	452	15	}	}	-RRB-
12787	452	16	;	;	:
12787	452	17	but	but	CC
12787	452	18	simultaneously	simultaneously	RB
12787	452	19	with	with	IN
12787	452	20	this	this	DT
12787	452	21	ionization	ionization	NN
12787	452	22	there	there	EX
12787	452	23	appears	appear	VBZ
12787	452	24	to	to	TO
12787	452	25	be	be	VB
12787	452	26	an	an	DT
12787	452	27	internal	internal	JJ
12787	452	28	rearrangement	rearrangement	NN
12787	452	29	of	of	IN
12787	452	30	the	the	DT
12787	452	31	atoms	atom	NNS
12787	452	32	which	which	WDT
12787	452	33	results	result	VBZ
12787	452	34	in	in	IN
12787	452	35	the	the	DT
12787	452	36	production	production	NN
12787	452	37	of	of	IN
12787	452	38	a	a	DT
12787	452	39	cation	cation	NN
12787	452	40	which	which	WDT
12787	452	41	may	may	MD
12787	452	42	be	be	VB
12787	452	43	designated	designate	VBN
12787	452	44	as	as	IN
12787	452	45	(	(	-LRB-
12787	452	46	M'.o	M'.o	NNP
12787	452	47	'	'	POS
12787	452	48	.	.	.
12787	453	1	)	)	-RRB-
12787	453	2	^{+	^{+	NNP
12787	453	3	}	}	-RRB-
12787	453	4	,	,	,
12787	453	5	and	and	CC
12787	453	6	it	-PRON-	PRP
12787	453	7	is	be	VBZ
12787	453	8	this	this	DT
12787	453	9	which	which	WDT
12787	453	10	imparts	impart	VBZ
12787	453	11	a	a	DT
12787	453	12	characteristic	characteristic	JJ
12787	453	13	red	red	JJ
12787	453	14	color	color	NN
12787	453	15	to	to	IN
12787	453	16	the	the	DT
12787	453	17	solution	solution	NN
12787	453	18	.	.	.
12787	454	1	As	as	IN
12787	454	2	these	these	DT
12787	454	3	changes	change	NNS
12787	454	4	occur	occur	VBP
12787	454	5	in	in	IN
12787	454	6	the	the	DT
12787	454	7	presence	presence	NN
12787	454	8	of	of	IN
12787	454	9	even	even	RB
12787	454	10	a	a	DT
12787	454	11	very	very	RB
12787	454	12	small	small	JJ
12787	454	13	excess	excess	NN
12787	454	14	of	of	IN
12787	454	15	acid	acid	NN
12787	454	16	(	(	-LRB-
12787	454	17	that	that	RB
12787	454	18	is	is	RB
12787	454	19	,	,	,
12787	454	20	of	of	IN
12787	454	21	H^{+	H^{+	NNP
12787	454	22	}	}	-RRB-
12787	454	23	ions	ion	NNS
12787	454	24	)	)	-RRB-
12787	454	25	,	,	,
12787	454	26	it	-PRON-	PRP
12787	454	27	serves	serve	VBZ
12787	454	28	as	as	IN
12787	454	29	the	the	DT
12787	454	30	desired	desire	VBN
12787	454	31	index	index	NN
12787	454	32	of	of	IN
12787	454	33	their	-PRON-	PRP$
12787	454	34	presence	presence	NN
12787	454	35	in	in	IN
12787	454	36	the	the	DT
12787	454	37	solution	solution	NN
12787	454	38	.	.	.
12787	455	1	If	if	IN
12787	455	2	,	,	,
12787	455	3	now	now	RB
12787	455	4	,	,	,
12787	455	5	an	an	DT
12787	455	6	alkali	alkali	JJ
12787	455	7	,	,	,
12787	455	8	such	such	JJ
12787	455	9	as	as	IN
12787	455	10	NaOH	NaOH	NNP
12787	455	11	,	,	,
12787	455	12	is	be	VBZ
12787	455	13	added	add	VBN
12787	455	14	to	to	IN
12787	455	15	this	this	DT
12787	455	16	reddened	redden	VBN
12787	455	17	solution	solution	NN
12787	455	18	,	,	,
12787	455	19	the	the	DT
12787	455	20	reverse	reverse	JJ
12787	455	21	series	series	NN
12787	455	22	of	of	IN
12787	455	23	changes	change	NNS
12787	455	24	takes	take	VBZ
12787	455	25	place	place	NN
12787	455	26	.	.	.
12787	456	1	As	as	RB
12787	456	2	soon	soon	RB
12787	456	3	as	as	IN
12787	456	4	the	the	DT
12787	456	5	free	free	JJ
12787	456	6	acid	acid	NN
12787	456	7	present	present	NN
12787	456	8	is	be	VBZ
12787	456	9	neutralized	neutralize	VBN
12787	456	10	,	,	,
12787	456	11	the	the	DT
12787	456	12	slightest	slight	JJS
12787	456	13	excess	excess	NN
12787	456	14	of	of	IN
12787	456	15	sodium	sodium	NN
12787	456	16	hydroxide	hydroxide	NN
12787	456	17	,	,	,
12787	456	18	acting	act	VBG
12787	456	19	as	as	IN
12787	456	20	a	a	DT
12787	456	21	strong	strong	JJ
12787	456	22	base	base	NN
12787	456	23	,	,	,
12787	456	24	sets	set	VBZ
12787	456	25	free	free	JJ
12787	456	26	the	the	DT
12787	456	27	weak	weak	JJ
12787	456	28	,	,	,
12787	456	29	little	little	RB
12787	456	30	-	-	HYPH
12787	456	31	dissociated	dissociated	JJ
12787	456	32	base	base	NN
12787	456	33	of	of	IN
12787	456	34	the	the	DT
12787	456	35	indicator	indicator	NN
12787	456	36	,	,	,
12787	456	37	and	and	CC
12787	456	38	at	at	IN
12787	456	39	the	the	DT
12787	456	40	moment	moment	NN
12787	456	41	of	of	IN
12787	456	42	its	-PRON-	PRP$
12787	456	43	formation	formation	NN
12787	456	44	it	-PRON-	PRP
12787	456	45	reverts	revert	VBZ
12787	456	46	,	,	,
12787	456	47	because	because	IN
12787	456	48	of	of	IN
12787	456	49	the	the	DT
12787	456	50	rearrangement	rearrangement	NN
12787	456	51	of	of	IN
12787	456	52	the	the	DT
12787	456	53	atoms	atom	NNS
12787	456	54	,	,	,
12787	456	55	to	to	IN
12787	456	56	the	the	DT
12787	456	57	yellow	yellow	JJ
12787	456	58	form	form	NN
12787	456	59	:	:	:
12787	456	60	OH^{-	oh^{-	LS
12787	456	61	}	}	-RRB-
12787	456	62	+	+	CC
12787	456	63	(	(	-LRB-
12787	456	64	M'.o	M'.o	NNP
12787	456	65	'	'	''
12787	456	66	.	.	.
12787	457	1	)	)	-RRB-
12787	457	2	^{+	^{+	NNP
12787	457	3	}	}	-RRB-
12787	457	4	--	--	:
12787	457	5	>	>	XX
12787	457	6	[	[	-LRB-
12787	457	7	M'.o'	m'.o'	NN
12787	457	8	.	.	.
12787	457	9	OH	oh	UH
12787	457	10	]	]	-RRB-
12787	457	11	--	--	:
12787	457	12	>	>	XX
12787	457	13	[	[	-LRB-
12787	457	14	M.o	M.o	NNP
12787	457	15	.	.	.
12787	457	16	OH	oh	NN
12787	457	17	]	]	-RRB-
12787	457	18	.	.	.
12787	458	1	Phenolphthalein	Phenolphthalein	NNP
12787	458	2	,	,	,
12787	458	3	on	on	IN
12787	458	4	the	the	DT
12787	458	5	other	other	JJ
12787	458	6	hand	hand	NN
12787	458	7	,	,	,
12787	458	8	is	be	VBZ
12787	458	9	a	a	DT
12787	458	10	very	very	RB
12787	458	11	weak	weak	JJ
12787	458	12	,	,	,
12787	458	13	little	little	RB
12787	458	14	-	-	HYPH
12787	458	15	dissociated	dissociated	JJ
12787	458	16	acid	acid	NN
12787	458	17	,	,	,
12787	458	18	which	which	WDT
12787	458	19	is	be	VBZ
12787	458	20	colorless	colorless	JJ
12787	458	21	in	in	IN
12787	458	22	neutral	neutral	JJ
12787	458	23	aqueous	aqueous	JJ
12787	458	24	solution	solution	NN
12787	458	25	or	or	CC
12787	458	26	in	in	IN
12787	458	27	the	the	DT
12787	458	28	presence	presence	NN
12787	458	29	of	of	IN
12787	458	30	free	free	JJ
12787	458	31	H^{+	H^{+	NNP
12787	458	32	}	}	-RRB-
12787	458	33	ions	ion	NNS
12787	458	34	.	.	.
12787	459	1	When	when	WRB
12787	459	2	an	an	DT
12787	459	3	alkali	alkali	NN
12787	459	4	is	be	VBZ
12787	459	5	added	add	VBN
12787	459	6	to	to	IN
12787	459	7	such	such	PDT
12787	459	8	a	a	DT
12787	459	9	solution	solution	NN
12787	459	10	,	,	,
12787	459	11	even	even	RB
12787	459	12	in	in	IN
12787	459	13	slight	slight	JJ
12787	459	14	excess	excess	NN
12787	459	15	,	,	,
12787	459	16	the	the	DT
12787	459	17	anion	anion	NN
12787	459	18	of	of	IN
12787	459	19	the	the	DT
12787	459	20	salt	salt	NN
12787	459	21	which	which	WDT
12787	459	22	has	have	VBZ
12787	459	23	formed	form	VBN
12787	459	24	from	from	IN
12787	459	25	the	the	DT
12787	459	26	acid	acid	NN
12787	459	27	of	of	IN
12787	459	28	the	the	DT
12787	459	29	indicator	indicator	NN
12787	459	30	undergoes	undergo	VBZ
12787	459	31	a	a	DT
12787	459	32	rearrangement	rearrangement	NN
12787	459	33	of	of	IN
12787	459	34	the	the	DT
12787	459	35	atoms	atom	NNS
12787	459	36	,	,	,
12787	459	37	and	and	CC
12787	459	38	a	a	DT
12787	459	39	new	new	JJ
12787	459	40	ion	ion	NN
12787	459	41	,	,	,
12787	459	42	(	(	-LRB-
12787	459	43	Ph')^{+	Ph')^{+	NNP
12787	459	44	}	}	-RRB-
12787	459	45	,	,	,
12787	459	46	is	be	VBZ
12787	459	47	formed	form	VBN
12787	459	48	,	,	,
12787	459	49	which	which	WDT
12787	459	50	imparts	impart	VBZ
12787	459	51	a	a	DT
12787	459	52	pink	pink	JJ
12787	459	53	color	color	NN
12787	459	54	to	to	IN
12787	459	55	the	the	DT
12787	459	56	solution	solution	NN
12787	459	57	:	:	:
12787	459	58	H^{+	H^{+	NNP
12787	459	59	}	}	-RRB-
12787	459	60	,	,	,
12787	459	61	(	(	-LRB-
12787	459	62	Ph)^{-	Ph)^{-	NNP
12787	459	63	}	}	-RRB-
12787	459	64	+	+	NFP
12787	459	65	Na^{+	Na^{+	NNP
12787	459	66	}	}	-RRB-
12787	459	67	,	,	,
12787	459	68	OH^{-	oh^{-	CD
12787	459	69	}	}	-RRB-
12787	459	70	--	--	:
12787	459	71	>	>	XX
12787	459	72	(	(	-LRB-
12787	459	73	H_{2}O	H_{2}O	NNP
12787	459	74	)	)	-RRB-
12787	459	75	+	+	NFP
12787	459	76	Na^{+	Na^{+	NNP
12787	459	77	}	}	-RRB-
12787	459	78	,	,	,
12787	459	79	(	(	-LRB-
12787	459	80	Ph)^{-	Ph)^{-	NNP
12787	459	81	}	}	-RRB-
12787	459	82	--	--	:
12787	459	83	>	>	XX
12787	459	84	Na^{+	Na^{+	NNP
12787	459	85	}	}	-RRB-
12787	459	86	,	,	,
12787	459	87	(	(	-LRB-
12787	459	88	Ph')^{-	ph')^{-	VB
12787	459	89	}	}	-RRB-
12787	459	90	The	the	DT
12787	459	91	addition	addition	NN
12787	459	92	of	of	IN
12787	459	93	the	the	DT
12787	459	94	slightest	slight	JJS
12787	459	95	excess	excess	NN
12787	459	96	of	of	IN
12787	459	97	an	an	DT
12787	459	98	acid	acid	NN
12787	459	99	to	to	IN
12787	459	100	this	this	DT
12787	459	101	solution	solution	NN
12787	459	102	,	,	,
12787	459	103	on	on	IN
12787	459	104	the	the	DT
12787	459	105	other	other	JJ
12787	459	106	hand	hand	NN
12787	459	107	,	,	,
12787	459	108	occasions	occasion	NNS
12787	459	109	first	first	RB
12787	459	110	the	the	DT
12787	459	111	reversion	reversion	NN
12787	459	112	to	to	IN
12787	459	113	the	the	DT
12787	459	114	colorless	colorless	NN
12787	459	115	ion	ion	NN
12787	459	116	and	and	CC
12787	459	117	then	then	RB
12787	459	118	the	the	DT
12787	459	119	setting	set	VBG
12787	459	120	free	free	JJ
12787	459	121	of	of	IN
12787	459	122	the	the	DT
12787	459	123	undissociated	undissociated	JJ
12787	459	124	acid	acid	NN
12787	459	125	of	of	IN
12787	459	126	the	the	DT
12787	459	127	indicator	indicator	NN
12787	459	128	:	:	:
12787	459	129	H^{+	H^{+	NNP
12787	459	130	}	}	-RRB-
12787	459	131	,	,	,
12787	459	132	(	(	-LRB-
12787	459	133	Ph')^{-	ph')^{-	VBP
12787	459	134	}	}	-RRB-
12787	459	135	--	--	:
12787	459	136	>	>	XX
12787	459	137	H^{+	H^{+	NNP
12787	459	138	}	}	-RRB-
12787	459	139	,	,	,
12787	459	140	(	(	-LRB-
12787	459	141	Ph)^{-	Ph)^{-	NNP
12787	459	142	}	}	-RRB-
12787	459	143	--	--	:
12787	459	144	>	>	XX
12787	459	145	(	(	-LRB-
12787	459	146	HPh	HPh	NNS
12787	459	147	)	)	-RRB-
12787	459	148	.	.	.
12787	460	1	Of	of	IN
12787	460	2	the	the	DT
12787	460	3	common	common	JJ
12787	460	4	indicators	indicator	NNS
12787	460	5	methyl	methyl	NNP
12787	460	6	orange	orange	NNP
12787	460	7	is	be	VBZ
12787	460	8	the	the	DT
12787	460	9	most	most	RBS
12787	460	10	sensitive	sensitive	JJ
12787	460	11	toward	toward	IN
12787	460	12	alkalies	alkali	NNS
12787	460	13	and	and	CC
12787	460	14	phenolphthalein	phenolphthalein	VBP
12787	460	15	toward	toward	IN
12787	460	16	acids	acid	NNS
12787	460	17	;	;	:
12787	460	18	the	the	DT
12787	460	19	others	other	NNS
12787	460	20	occupy	occupy	VBP
12787	460	21	intermediate	intermediate	JJ
12787	460	22	positions	position	NNS
12787	460	23	.	.	.
12787	461	1	That	that	DT
12787	461	2	methyl	methyl	NN
12787	461	3	orange	orange	NN
12787	461	4	should	should	MD
12787	461	5	be	be	VB
12787	461	6	most	most	RBS
12787	461	7	sensitive	sensitive	JJ
12787	461	8	toward	toward	IN
12787	461	9	alkalies	alkali	NNS
12787	461	10	is	be	VBZ
12787	461	11	evident	evident	JJ
12787	461	12	from	from	IN
12787	461	13	the	the	DT
12787	461	14	following	follow	VBG
12787	461	15	considerations	consideration	NNS
12787	461	16	:	:	:
12787	461	17	Methyl	methyl	NN
12787	461	18	orange	orange	NN
12787	461	19	is	be	VBZ
12787	461	20	a	a	DT
12787	461	21	weak	weak	JJ
12787	461	22	base	base	NN
12787	461	23	and	and	CC
12787	461	24	,	,	,
12787	461	25	therefore	therefore	RB
12787	461	26	,	,	,
12787	461	27	but	but	CC
12787	461	28	little	little	JJ
12787	461	29	dissociated	dissociated	JJ
12787	461	30	.	.	.
12787	462	1	It	-PRON-	PRP
12787	462	2	should	should	MD
12787	462	3	,	,	,
12787	462	4	then	then	RB
12787	462	5	,	,	,
12787	462	6	be	be	VB
12787	462	7	formed	form	VBN
12787	462	8	in	in	IN
12787	462	9	the	the	DT
12787	462	10	undissociated	undissociated	JJ
12787	462	11	condition	condition	NN
12787	462	12	as	as	RB
12787	462	13	soon	soon	RB
12787	462	14	as	as	IN
12787	462	15	even	even	RB
12787	462	16	a	a	DT
12787	462	17	slight	slight	JJ
12787	462	18	excess	excess	NN
12787	462	19	of	of	IN
12787	462	20	OH^{-	OH^{-	NNPS
12787	462	21	}	}	-RRB-
12787	462	22	ions	ion	NNS
12787	462	23	is	be	VBZ
12787	462	24	present	present	JJ
12787	462	25	in	in	IN
12787	462	26	the	the	DT
12787	462	27	solution	solution	NN
12787	462	28	,	,	,
12787	462	29	and	and	CC
12787	462	30	there	there	EX
12787	462	31	should	should	MD
12787	462	32	be	be	VB
12787	462	33	a	a	DT
12787	462	34	prompt	prompt	JJ
12787	462	35	change	change	NN
12787	462	36	from	from	IN
12787	462	37	red	red	JJ
12787	462	38	to	to	IN
12787	462	39	yellow	yellow	NN
12787	462	40	as	as	IN
12787	462	41	outlined	outline	VBN
12787	462	42	above	above	RB
12787	462	43	.	.	.
12787	463	1	On	on	IN
12787	463	2	the	the	DT
12787	463	3	other	other	JJ
12787	463	4	hand	hand	NN
12787	463	5	,	,	,
12787	463	6	it	-PRON-	PRP
12787	463	7	should	should	MD
12787	463	8	be	be	VB
12787	463	9	an	an	DT
12787	463	10	unsatisfactory	unsatisfactory	JJ
12787	463	11	indicator	indicator	NN
12787	463	12	for	for	IN
12787	463	13	use	use	NN
12787	463	14	with	with	IN
12787	463	15	weak	weak	JJ
12787	463	16	acids	acid	NNS
12787	463	17	(	(	-LRB-
12787	463	18	acetic	acetic	JJ
12787	463	19	acid	acid	NN
12787	463	20	,	,	,
12787	463	21	for	for	IN
12787	463	22	example	example	NN
12787	463	23	)	)	-RRB-
12787	463	24	because	because	IN
12787	463	25	the	the	DT
12787	463	26	salts	salt	NNS
12787	463	27	which	which	WDT
12787	463	28	it	-PRON-	PRP
12787	463	29	forms	form	VBZ
12787	463	30	with	with	IN
12787	463	31	such	such	JJ
12787	463	32	acids	acid	NNS
12787	463	33	are	be	VBP
12787	463	34	,	,	,
12787	463	35	like	like	IN
12787	463	36	all	all	DT
12787	463	37	salts	salt	NNS
12787	463	38	of	of	IN
12787	463	39	that	that	DT
12787	463	40	type	type	NN
12787	463	41	,	,	,
12787	463	42	hydrolyzed	hydrolyze	VBD
12787	463	43	to	to	IN
12787	463	44	a	a	DT
12787	463	45	considerable	considerable	JJ
12787	463	46	extent	extent	NN
12787	463	47	.	.	.
12787	464	1	This	this	DT
12787	464	2	hydrolytic	hydrolytic	JJ
12787	464	3	change	change	NN
12787	464	4	is	be	VBZ
12787	464	5	illustrated	illustrate	VBN
12787	464	6	by	by	IN
12787	464	7	the	the	DT
12787	464	8	equation	equation	NN
12787	464	9	:	:	:
12787	464	10	(	(	-LRB-
12787	464	11	M.o	M.o	NNP
12787	464	12	.	.	.
12787	465	1	)	)	-RRB-
12787	465	2	^{+	^{+	NNP
12787	465	3	}	}	-RRB-
12787	465	4	C_{2}H_{3}O_{2}^{-	C_{2}H_{3}O_{2}^{-	NNP
12787	465	5	}	}	-RRB-
12787	465	6	+	+	SYM
12787	465	7	H^{+	H^{+	NNP
12787	465	8	}	}	-RRB-
12787	465	9	,	,	,
12787	465	10	OH^{-	oh^{-	CD
12787	465	11	}	}	-RRB-
12787	465	12	--	--	:
12787	465	13	>	>	XX
12787	465	14	[	[	-LRB-
12787	465	15	M.o	M.o	NNP
12787	465	16	.	.	.
12787	465	17	OH	oh	NN
12787	465	18	]	]	-RRB-
12787	465	19	+	+	SYM
12787	465	20	H^{+	H^{+	NNP
12787	465	21	}	}	-RRB-
12787	465	22	,	,	,
12787	465	23	C_{2}H_{3}O_{2}^{-	C_{2}H_{3}O_{2}^{-	NNP
12787	465	24	}	}	-RRB-
12787	465	25	.	.	.
12787	466	1	Comparison	comparison	NN
12787	466	2	of	of	IN
12787	466	3	this	this	DT
12787	466	4	equation	equation	NN
12787	466	5	with	with	IN
12787	466	6	that	that	DT
12787	466	7	on	on	IN
12787	466	8	page	page	NN
12787	466	9	30	30	CD
12787	466	10	will	will	MD
12787	466	11	make	make	VB
12787	466	12	it	-PRON-	PRP
12787	466	13	plain	plain	JJ
12787	466	14	that	that	IN
12787	466	15	hydrolysis	hydrolysis	NN
12787	466	16	is	be	VBZ
12787	466	17	just	just	RB
12787	466	18	the	the	DT
12787	466	19	reverse	reverse	NN
12787	466	20	of	of	IN
12787	466	21	neutralization	neutralization	NN
12787	466	22	and	and	CC
12787	466	23	must	must	MD
12787	466	24	,	,	,
12787	466	25	accordingly	accordingly	RB
12787	466	26	,	,	,
12787	466	27	interfere	interfere	VB
12787	466	28	with	with	IN
12787	466	29	it	-PRON-	PRP
12787	466	30	.	.	.
12787	467	1	Salts	Salts	NNP
12787	467	2	of	of	IN
12787	467	3	methyl	methyl	NN
12787	467	4	orange	orange	VBP
12787	467	5	with	with	IN
12787	467	6	weak	weak	JJ
12787	467	7	acids	acid	NNS
12787	467	8	are	be	VBP
12787	467	9	so	so	RB
12787	467	10	far	far	RB
12787	467	11	hydrolyzed	hydrolyze	VBN
12787	467	12	that	that	IN
12787	467	13	the	the	DT
12787	467	14	end	end	NN
12787	467	15	-	-	HYPH
12787	467	16	point	point	NN
12787	467	17	is	be	VBZ
12787	467	18	uncertain	uncertain	JJ
12787	467	19	,	,	,
12787	467	20	and	and	CC
12787	467	21	methyl	methyl	NN
12787	467	22	orange	orange	NN
12787	467	23	can	can	MD
12787	467	24	not	not	RB
12787	467	25	be	be	VB
12787	467	26	used	use	VBN
12787	467	27	in	in	IN
12787	467	28	the	the	DT
12787	467	29	titration	titration	NN
12787	467	30	of	of	IN
12787	467	31	such	such	JJ
12787	467	32	acids	acid	NNS
12787	467	33	,	,	,
12787	467	34	while	while	IN
12787	467	35	with	with	IN
12787	467	36	the	the	DT
12787	467	37	very	very	RB
12787	467	38	weak	weak	JJ
12787	467	39	acids	acid	NNS
12787	467	40	,	,	,
12787	467	41	such	such	JJ
12787	467	42	as	as	IN
12787	467	43	carbonic	carbonic	JJ
12787	467	44	acid	acid	NN
12787	467	45	or	or	CC
12787	467	46	hydrogen	hydrogen	NN
12787	467	47	sulphide	sulphide	NN
12787	467	48	(	(	-LRB-
12787	467	49	hydrosulphuric	hydrosulphuric	NNP
12787	467	50	acid	acid	NNP
12787	467	51	)	)	-RRB-
12787	467	52	,	,	,
12787	467	53	the	the	DT
12787	467	54	salts	salt	NNS
12787	467	55	formed	form	VBN
12787	467	56	with	with	IN
12787	467	57	methyl	methyl	NNP
12787	467	58	orange	orange	NNP
12787	467	59	are	be	VBP
12787	467	60	,	,	,
12787	467	61	in	in	IN
12787	467	62	effect	effect	NN
12787	467	63	,	,	,
12787	467	64	completely	completely	RB
12787	467	65	hydrolyzed	hydrolyzed	JJ
12787	467	66	(	(	-LRB-
12787	467	67	i.e.	i.e.	FW
12787	467	68	,	,	,
12787	467	69	no	no	DT
12787	467	70	neutralization	neutralization	NN
12787	467	71	occurs	occur	VBZ
12787	467	72	)	)	-RRB-
12787	467	73	,	,	,
12787	467	74	and	and	CC
12787	467	75	methyl	methyl	NN
12787	467	76	orange	orange	NNP
12787	467	77	is	be	VBZ
12787	467	78	accordingly	accordingly	RB
12787	467	79	scarcely	scarcely	RB
12787	467	80	affected	affect	VBN
12787	467	81	by	by	IN
12787	467	82	these	these	DT
12787	467	83	acids	acid	NNS
12787	467	84	.	.	.
12787	468	1	This	this	DT
12787	468	2	explains	explain	VBZ
12787	468	3	its	-PRON-	PRP$
12787	468	4	usefulness	usefulness	NN
12787	468	5	,	,	,
12787	468	6	as	as	IN
12787	468	7	referred	refer	VBN
12787	468	8	to	to	IN
12787	468	9	later	later	RB
12787	468	10	,	,	,
12787	468	11	for	for	IN
12787	468	12	the	the	DT
12787	468	13	titration	titration	NN
12787	468	14	of	of	IN
12787	468	15	strong	strong	JJ
12787	468	16	acids	acid	NNS
12787	468	17	,	,	,
12787	468	18	such	such	JJ
12787	468	19	as	as	IN
12787	468	20	hydrochloric	hydrochloric	JJ
12787	468	21	acid	acid	NN
12787	468	22	,	,	,
12787	468	23	even	even	RB
12787	468	24	in	in	IN
12787	468	25	the	the	DT
12787	468	26	presence	presence	NN
12787	468	27	of	of	IN
12787	468	28	carbonates	carbonate	NNS
12787	468	29	or	or	CC
12787	468	30	sulphides	sulphide	NNS
12787	468	31	in	in	IN
12787	468	32	solution	solution	NN
12787	468	33	.	.	.
12787	469	1	Phenolphthalein	Phenolphthalein	NNP
12787	469	2	,	,	,
12787	469	3	on	on	IN
12787	469	4	the	the	DT
12787	469	5	other	other	JJ
12787	469	6	hand	hand	NN
12787	469	7	,	,	,
12787	469	8	should	should	MD
12787	469	9	be	be	VB
12787	469	10	,	,	,
12787	469	11	as	as	IN
12787	469	12	it	-PRON-	PRP
12787	469	13	is	be	VBZ
12787	469	14	,	,	,
12787	469	15	the	the	DT
12787	469	16	best	good	JJS
12787	469	17	of	of	IN
12787	469	18	the	the	DT
12787	469	19	common	common	JJ
12787	469	20	indicators	indicator	NNS
12787	469	21	for	for	IN
12787	469	22	use	use	NN
12787	469	23	with	with	IN
12787	469	24	weak	weak	JJ
12787	469	25	acids	acid	NNS
12787	469	26	.	.	.
12787	470	1	For	for	IN
12787	470	2	,	,	,
12787	470	3	since	since	IN
12787	470	4	it	-PRON-	PRP
12787	470	5	is	be	VBZ
12787	470	6	itself	-PRON-	PRP
12787	470	7	a	a	DT
12787	470	8	weak	weak	JJ
12787	470	9	acid	acid	NN
12787	470	10	,	,	,
12787	470	11	it	-PRON-	PRP
12787	470	12	is	be	VBZ
12787	470	13	very	very	RB
12787	470	14	little	little	RB
12787	470	15	dissociated	dissociated	JJ
12787	470	16	,	,	,
12787	470	17	and	and	CC
12787	470	18	its	-PRON-	PRP$
12787	470	19	nearly	nearly	RB
12787	470	20	undissociated	undissociate	VBN
12787	470	21	,	,	,
12787	470	22	colorless	colorless	JJ
12787	470	23	molecules	molecule	NNS
12787	470	24	are	be	VBP
12787	470	25	promptly	promptly	RB
12787	470	26	formed	form	VBN
12787	470	27	as	as	RB
12787	470	28	soon	soon	RB
12787	470	29	as	as	IN
12787	470	30	there	there	EX
12787	470	31	is	be	VBZ
12787	470	32	any	any	DT
12787	470	33	free	free	JJ
12787	470	34	acid	acid	NN
12787	470	35	(	(	-LRB-
12787	470	36	that	that	RB
12787	470	37	is	is	RB
12787	470	38	,	,	,
12787	470	39	free	free	JJ
12787	470	40	H^{+	H^{+	NNP
12787	470	41	}	}	-RRB-
12787	470	42	ions	ion	NNS
12787	470	43	)	)	-RRB-
12787	470	44	in	in	IN
12787	470	45	the	the	DT
12787	470	46	solution	solution	NN
12787	470	47	.	.	.
12787	471	1	This	this	DT
12787	471	2	indicator	indicator	NN
12787	471	3	can	can	MD
12787	471	4	not	not	RB
12787	471	5	,	,	,
12787	471	6	however	however	RB
12787	471	7	,	,	,
12787	471	8	be	be	VB
12787	471	9	successfully	successfully	RB
12787	471	10	used	use	VBN
12787	471	11	with	with	IN
12787	471	12	weak	weak	JJ
12787	471	13	bases	basis	NNS
12787	471	14	,	,	,
12787	471	15	even	even	RB
12787	471	16	ammonium	ammonium	NN
12787	471	17	hydroxide	hydroxide	NN
12787	471	18	;	;	,
12787	471	19	for	for	IN
12787	471	20	,	,	,
12787	471	21	since	since	IN
12787	471	22	it	-PRON-	PRP
12787	471	23	is	be	VBZ
12787	471	24	weak	weak	JJ
12787	471	25	acid	acid	NN
12787	471	26	,	,	,
12787	471	27	the	the	DT
12787	471	28	salts	salt	NNS
12787	471	29	which	which	WDT
12787	471	30	it	-PRON-	PRP
12787	471	31	forms	form	VBZ
12787	471	32	with	with	IN
12787	471	33	weak	weak	JJ
12787	471	34	alkalies	alkali	NNS
12787	471	35	are	be	VBP
12787	471	36	easily	easily	RB
12787	471	37	hydrolyzed	hydrolyze	VBN
12787	471	38	,	,	,
12787	471	39	and	and	CC
12787	471	40	as	as	IN
12787	471	41	a	a	DT
12787	471	42	consequence	consequence	NN
12787	471	43	of	of	IN
12787	471	44	this	this	DT
12787	471	45	hydrolysis	hydrolysis	NN
12787	471	46	the	the	DT
12787	471	47	change	change	NN
12787	471	48	of	of	IN
12787	471	49	color	color	NN
12787	471	50	is	be	VBZ
12787	471	51	not	not	RB
12787	471	52	sharp	sharp	JJ
12787	471	53	.	.	.
12787	472	1	This	this	DT
12787	472	2	indicator	indicator	NN
12787	472	3	can	can	MD
12787	472	4	,	,	,
12787	472	5	however	however	RB
12787	472	6	,	,	,
12787	472	7	be	be	VB
12787	472	8	successfully	successfully	RB
12787	472	9	used	use	VBN
12787	472	10	with	with	IN
12787	472	11	strong	strong	JJ
12787	472	12	bases	basis	NNS
12787	472	13	,	,	,
12787	472	14	because	because	IN
12787	472	15	the	the	DT
12787	472	16	salts	salt	NNS
12787	472	17	which	which	WDT
12787	472	18	it	-PRON-	PRP
12787	472	19	forms	form	VBZ
12787	472	20	with	with	IN
12787	472	21	such	such	JJ
12787	472	22	bases	basis	NNS
12787	472	23	are	be	VBP
12787	472	24	much	much	RB
12787	472	25	less	less	JJR
12787	472	26	hydrolyzed	hydrolyzed	JJ
12787	472	27	and	and	CC
12787	472	28	because	because	IN
12787	472	29	the	the	DT
12787	472	30	excess	excess	NN
12787	472	31	of	of	IN
12787	472	32	OH^{-	OH^{-	NNPS
12787	472	33	}	}	-RRB-
12787	472	34	ions	ion	NNS
12787	472	35	from	from	IN
12787	472	36	these	these	DT
12787	472	37	bases	basis	NNS
12787	472	38	also	also	RB
12787	472	39	diminishes	diminish	VBZ
12787	472	40	the	the	DT
12787	472	41	hydrolytic	hydrolytic	JJ
12787	472	42	action	action	NN
12787	472	43	of	of	IN
12787	472	44	water	water	NN
12787	472	45	.	.	.
12787	473	1	This	this	DT
12787	473	2	indicator	indicator	NN
12787	473	3	is	be	VBZ
12787	473	4	affected	affect	VBN
12787	473	5	by	by	IN
12787	473	6	even	even	RB
12787	473	7	so	so	RB
12787	473	8	weak	weak	JJ
12787	473	9	an	an	DT
12787	473	10	acid	acid	NN
12787	473	11	as	as	IN
12787	473	12	carbonic	carbonic	JJ
12787	473	13	acid	acid	NN
12787	473	14	,	,	,
12787	473	15	which	which	WDT
12787	473	16	must	must	MD
12787	473	17	be	be	VB
12787	473	18	removed	remove	VBN
12787	473	19	by	by	IN
12787	473	20	boiling	boil	VBG
12787	473	21	the	the	DT
12787	473	22	solution	solution	NN
12787	473	23	before	before	IN
12787	473	24	titration	titration	NN
12787	473	25	.	.	.
12787	474	1	It	-PRON-	PRP
12787	474	2	is	be	VBZ
12787	474	3	the	the	DT
12787	474	4	indicator	indicator	NN
12787	474	5	most	most	RBS
12787	474	6	generally	generally	RB
12787	474	7	employed	employ	VBN
12787	474	8	for	for	IN
12787	474	9	the	the	DT
12787	474	10	titration	titration	NN
12787	474	11	of	of	IN
12787	474	12	organic	organic	JJ
12787	474	13	acids	acid	NNS
12787	474	14	.	.	.
12787	475	1	In	in	IN
12787	475	2	general	general	JJ
12787	475	3	,	,	,
12787	475	4	it	-PRON-	PRP
12787	475	5	may	may	MD
12787	475	6	be	be	VB
12787	475	7	stated	state	VBN
12787	475	8	that	that	IN
12787	475	9	when	when	WRB
12787	475	10	a	a	DT
12787	475	11	strong	strong	JJ
12787	475	12	acid	acid	NN
12787	475	13	,	,	,
12787	475	14	such	such	JJ
12787	475	15	as	as	IN
12787	475	16	hydrochloric	hydrochloric	JJ
12787	475	17	,	,	,
12787	475	18	sulphuric	sulphuric	JJ
12787	475	19	or	or	CC
12787	475	20	nitric	nitric	JJ
12787	475	21	acid	acid	NN
12787	475	22	,	,	,
12787	475	23	is	be	VBZ
12787	475	24	titrated	titrate	VBN
12787	475	25	against	against	IN
12787	475	26	a	a	DT
12787	475	27	strong	strong	JJ
12787	475	28	base	base	NN
12787	475	29	,	,	,
12787	475	30	such	such	JJ
12787	475	31	as	as	IN
12787	475	32	sodium	sodium	NN
12787	475	33	hydroxide	hydroxide	NN
12787	475	34	,	,	,
12787	475	35	potassium	potassium	NN
12787	475	36	hydroxide	hydroxide	NN
12787	475	37	,	,	,
12787	475	38	or	or	CC
12787	475	39	barium	barium	NN
12787	475	40	hydroxide	hydroxide	NN
12787	475	41	,	,	,
12787	475	42	any	any	DT
12787	475	43	of	of	IN
12787	475	44	these	these	DT
12787	475	45	indicators	indicator	NNS
12787	475	46	may	may	MD
12787	475	47	be	be	VB
12787	475	48	used	use	VBN
12787	475	49	,	,	,
12787	475	50	since	since	IN
12787	475	51	very	very	RB
12787	475	52	little	little	JJ
12787	475	53	hydrolysis	hydrolysis	NN
12787	475	54	ensues	ensue	NNS
12787	475	55	.	.	.
12787	476	1	It	-PRON-	PRP
12787	476	2	has	have	VBZ
12787	476	3	been	be	VBN
12787	476	4	noted	note	VBN
12787	476	5	above	above	IN
12787	476	6	that	that	IN
12787	476	7	the	the	DT
12787	476	8	color	color	NN
12787	476	9	change	change	NN
12787	476	10	does	do	VBZ
12787	476	11	not	not	RB
12787	476	12	occur	occur	VB
12787	476	13	exactly	exactly	RB
12787	476	14	at	at	IN
12787	476	15	theoretical	theoretical	JJ
12787	476	16	neutrality	neutrality	NN
12787	476	17	,	,	,
12787	476	18	from	from	IN
12787	476	19	which	which	WDT
12787	476	20	it	-PRON-	PRP
12787	476	21	follows	follow	VBZ
12787	476	22	that	that	IN
12787	476	23	no	no	DT
12787	476	24	two	two	CD
12787	476	25	indicators	indicator	NNS
12787	476	26	will	will	MD
12787	476	27	show	show	VB
12787	476	28	exactly	exactly	RB
12787	476	29	the	the	DT
12787	476	30	same	same	JJ
12787	476	31	end	end	NN
12787	476	32	-	-	HYPH
12787	476	33	point	point	NN
12787	476	34	when	when	WRB
12787	476	35	acids	acid	NNS
12787	476	36	and	and	CC
12787	476	37	alkalis	alkalis	NNP
12787	476	38	are	be	VBP
12787	476	39	brought	bring	VBN
12787	476	40	together	together	RB
12787	476	41	.	.	.
12787	477	1	It	-PRON-	PRP
12787	477	2	is	be	VBZ
12787	477	3	plain	plain	JJ
12787	477	4	,	,	,
12787	477	5	therefore	therefore	RB
12787	477	6	,	,	,
12787	477	7	that	that	IN
12787	477	8	the	the	DT
12787	477	9	same	same	JJ
12787	477	10	indicator	indicator	NN
12787	477	11	must	must	MD
12787	477	12	be	be	VB
12787	477	13	employed	employ	VBN
12787	477	14	for	for	IN
12787	477	15	both	both	DT
12787	477	16	standardization	standardization	NN
12787	477	17	and	and	CC
12787	477	18	analysis	analysis	NN
12787	477	19	,	,	,
12787	477	20	and	and	CC
12787	477	21	that	that	IN
12787	477	22	,	,	,
12787	477	23	if	if	IN
12787	477	24	this	this	DT
12787	477	25	is	be	VBZ
12787	477	26	done	do	VBN
12787	477	27	,	,	,
12787	477	28	accurate	accurate	JJ
12787	477	29	results	result	NNS
12787	477	30	are	be	VBP
12787	477	31	obtainable	obtainable	JJ
12787	477	32	.	.	.
12787	478	1	The	the	DT
12787	478	2	following	follow	VBG
12787	478	3	table	table	NN
12787	478	4	(	(	-LRB-
12787	478	5	Note	note	NN
12787	478	6	1	1	CD
12787	478	7	)	)	-RRB-
12787	478	8	illustrates	illustrate	VBZ
12787	478	9	the	the	DT
12787	478	10	variations	variation	NNS
12787	478	11	in	in	IN
12787	478	12	the	the	DT
12787	478	13	volume	volume	NN
12787	478	14	of	of	IN
12787	478	15	an	an	DT
12787	478	16	alkali	alkali	JJ
12787	478	17	solution	solution	NN
12787	478	18	(	(	-LRB-
12787	478	19	tenth	tenth	JJ
12787	478	20	-	-	HYPH
12787	478	21	normal	normal	JJ
12787	478	22	sodium	sodium	NN
12787	478	23	hydroxide	hydroxide	NN
12787	478	24	)	)	-RRB-
12787	478	25	required	require	VBN
12787	478	26	to	to	TO
12787	478	27	produce	produce	VB
12787	478	28	an	an	DT
12787	478	29	alkaline	alkaline	NN
12787	478	30	end	end	NN
12787	478	31	-	-	HYPH
12787	478	32	point	point	NN
12787	478	33	when	when	WRB
12787	478	34	run	run	VBP
12787	478	35	into	into	IN
12787	478	36	10	10	CD
12787	478	37	cc	cc	NN
12787	478	38	.	.	.
12787	479	1	of	of	IN
12787	479	2	tenth	tenth	JJ
12787	479	3	-	-	HYPH
12787	479	4	normal	normal	JJ
12787	479	5	sulphuric	sulphuric	JJ
12787	479	6	acid	acid	NN
12787	479	7	,	,	,
12787	479	8	diluted	dilute	VBN
12787	479	9	with	with	IN
12787	479	10	50	50	CD
12787	479	11	cc	cc	NN
12787	479	12	.	.	.
12787	480	1	of	of	IN
12787	480	2	water	water	NN
12787	480	3	,	,	,
12787	480	4	using	use	VBG
12787	480	5	five	five	CD
12787	480	6	drops	drop	NNS
12787	480	7	of	of	IN
12787	480	8	each	each	DT
12787	480	9	of	of	IN
12787	480	10	the	the	DT
12787	480	11	different	different	JJ
12787	480	12	indicator	indicator	NN
12787	480	13	solutions	solution	NNS
12787	480	14	.	.	.
12787	481	1	=	=	NFP
12787	481	2	=	=	NFP
12787	481	3	=	=	SYM
12787	481	4	=	=	SYM
12787	481	5	=	=	SYM
12787	481	6	=	=	SYM
12787	481	7	=	=	SYM
12787	481	8	=	=	SYM
12787	481	9	=	=	SYM
12787	481	10	=	=	SYM
12787	481	11	=	=	SYM
12787	481	12	=	=	SYM
12787	481	13	=	=	SYM
12787	481	14	=	=	SYM
12787	481	15	=	=	SYM
12787	481	16	=	=	SYM
12787	481	17	=	=	SYM
12787	481	18	=	=	SYM
12787	481	19	=	=	SYM
12787	481	20	=	=	SYM
12787	481	21	=	=	SYM
12787	481	22	=	=	SYM
12787	481	23	=	=	SYM
12787	481	24	=	=	SYM
12787	481	25	=	=	SYM
12787	481	26	=	=	SYM
12787	481	27	=	=	SYM
12787	481	28	=	=	SYM
12787	481	29	=	=	SYM
12787	481	30	=	=	SYM
12787	481	31	=	=	SYM
12787	481	32	=	=	SYM
12787	481	33	=	=	SYM
12787	481	34	=	=	SYM
12787	481	35	=	=	SYM
12787	481	36	=	=	SYM
12787	481	37	=	=	SYM
12787	481	38	=	=	SYM
12787	481	39	=	=	SYM
12787	481	40	=	=	SYM
12787	481	41	=	=	SYM
12787	481	42	=	=	SYM
12787	481	43	=	=	SYM
12787	481	44	=	=	SYM
12787	481	45	=	=	SYM
12787	481	46	=	=	SYM
12787	481	47	=	=	SYM
12787	481	48	=	=	SYM
12787	481	49	=	=	SYM
12787	481	50	=	=	SYM
12787	481	51	=	=	SYM
12787	481	52	=	=	SYM
12787	481	53	=	=	SYM
12787	481	54	=	=	SYM
12787	481	55	=	=	SYM
12787	481	56	=	=	SYM
12787	481	57	=	=	SYM
12787	481	58	=	=	SYM
12787	481	59	=	=	SYM
12787	481	60	=	=	SYM
12787	481	61	=	=	SYM
12787	481	62	=	=	SYM
12787	481	63	=	=	SYM
12787	481	64	=	=	SYM
12787	481	65	=	=	SYM
12787	481	66	=	=	SYM
12787	481	67	=	=	SYM
12787	481	68	=	=	SYM
12787	481	69	|	|	NNP
12787	481	70	|	|	CD
12787	481	71	|	|	CD
12787	481	72	|	|	NNP
12787	481	73	INDICATOR	INDICATOR	NNP
12787	481	74	|	|	NNP
12787	481	75	N/10	N/10	NNP
12787	481	76	|	|	CD
12787	481	77	N/10	n/10	CD
12787	481	78	|COLOR	|COLOR	NNS
12787	481	79	IN	in	IN
12787	481	80	ACID|COLOR	ACID|COLOR	NNP
12787	481	81	IN	in	IN
12787	481	82	ALKA-	ALKA-	NNP
12787	481	83	|	|	NNP
12787	481	84	H_{2}SO_{4}|	H_{2}SO_{4}|	NNP
12787	481	85	NaOH	NaOH	NNP
12787	481	86	|SOLUTION	|SOLUTION	NNP
12787	481	87	|LINE	|LINE	NNP
12787	481	88	SOLUTION	SOLUTION	NNP
12787	481	89	_	_	NNP
12787	481	90	_	_	NNP
12787	481	91	_	_	NNP
12787	481	92	_	_	NNP
12787	481	93	_	_	NNP
12787	481	94	_	_	NNP
12787	481	95	_	_	NNP
12787	481	96	_	_	NNP
12787	481	97	_	_	NNP
12787	481	98	_	_	NNP
12787	481	99	_	_	NNP
12787	481	100	_	_	NNP
12787	481	101	_	_	NNP
12787	481	102	_	_	NNP
12787	481	103	_	_	NNP
12787	481	104	|____________|__________|_____________|	|____________|__________|_____________|	NNP
12787	481	105	_	_	NNP
12787	481	106	_	_	NNP
12787	481	107	_	_	NNP
12787	481	108	_	_	NNP
12787	481	109	_	_	NNP
12787	481	110	_	_	NNP
12787	481	111	_	_	NNP
12787	481	112	_	_	NNP
12787	481	113	_	_	NNP
12787	481	114	_	_	NNP
12787	481	115	_	_	NNP
12787	481	116	_	_	NNP
12787	481	117	_	_	NNP
12787	481	118	_	_	NNP
12787	481	119	|	|	NNP
12787	481	120	cc	cc	NNP
12787	481	121	.	.	.
12787	482	1	|	|	NNP
12787	482	2	cc	cc	NNP
12787	482	3	.	.	.
12787	483	1	|	|	NNP
12787	483	2	cc	cc	NNP
12787	483	3	.	.	.
12787	484	1	|	|	NNP
12787	484	2	Methyl	Methyl	NNP
12787	484	3	orange	orange	NN
12787	484	4	|	|	CD
12787	484	5	10	10	CD
12787	484	6	|	|	CD
12787	484	7	9.90	9.90	CD
12787	484	8	|	|	CD
12787	484	9	Red	red	JJ
12787	484	10	|	|	NNP
12787	484	11	Yellow	Yellow	NNP
12787	484	12	Lacmoid	Lacmoid	NNP
12787	484	13	|	|	NNP
12787	484	14	10	10	CD
12787	484	15	|	|	CD
12787	484	16	10.00	10.00	CD
12787	484	17	|	|	NNP
12787	484	18	Red	red	JJ
12787	484	19	|	|	NNP
12787	484	20	Blue	Blue	NNP
12787	484	21	Litmus	Litmus	NNP
12787	484	22	|	|	NNP
12787	484	23	10	10	CD
12787	484	24	|	|	CD
12787	484	25	10.00	10.00	CD
12787	484	26	|	|	NNP
12787	484	27	Red	red	JJ
12787	484	28	|	|	NNP
12787	484	29	Blue	Blue	NNP
12787	484	30	Rosalic	Rosalic	NNP
12787	484	31	acid	acid	NN
12787	484	32	|	|	CD
12787	484	33	10	10	CD
12787	484	34	|	|	CD
12787	484	35	10.07	10.07	CD
12787	484	36	|	|	NNP
12787	484	37	Yellow	Yellow	NNP
12787	484	38	|	|	NNP
12787	484	39	Pink	Pink	NNP
12787	484	40	Phenolphthalein|	Phenolphthalein|	NNP
12787	484	41	10	10	CD
12787	484	42	|	|	CD
12787	484	43	10.10	10.10	CD
12787	484	44	|	|	CD
12787	484	45	Colorless	Colorless	NNP
12787	484	46	|	|	NNP
12787	484	47	Pink	Pink	NNP
12787	484	48	=	=	SYM
12787	484	49	=	=	SYM
12787	484	50	=	=	SYM
12787	484	51	=	=	SYM
12787	484	52	=	=	SYM
12787	484	53	=	=	SYM
12787	484	54	=	=	SYM
12787	484	55	=	=	SYM
12787	484	56	=	=	SYM
12787	484	57	=	=	SYM
12787	484	58	=	=	SYM
12787	484	59	=	=	SYM
12787	484	60	=	=	SYM
12787	484	61	=	=	SYM
12787	484	62	=	=	SYM
12787	484	63	=	=	SYM
12787	484	64	=	=	SYM
12787	484	65	=	=	SYM
12787	484	66	=	=	SYM
12787	484	67	=	=	SYM
12787	484	68	=	=	SYM
12787	484	69	=	=	SYM
12787	484	70	=	=	SYM
12787	484	71	=	=	SYM
12787	484	72	=	=	SYM
12787	484	73	=	=	SYM
12787	484	74	=	=	SYM
12787	484	75	=	=	SYM
12787	484	76	=	=	SYM
12787	484	77	=	=	SYM
12787	484	78	=	=	SYM
12787	484	79	=	=	SYM
12787	484	80	=	=	SYM
12787	484	81	=	=	SYM
12787	484	82	=	=	SYM
12787	484	83	=	=	SYM
12787	484	84	=	=	SYM
12787	484	85	=	=	SYM
12787	484	86	=	=	SYM
12787	484	87	=	=	SYM
12787	484	88	=	=	SYM
12787	484	89	=	=	SYM
12787	484	90	=	=	SYM
12787	484	91	=	=	SYM
12787	484	92	=	=	SYM
12787	484	93	=	=	SYM
12787	484	94	=	=	SYM
12787	484	95	=	=	SYM
12787	484	96	=	=	SYM
12787	484	97	=	=	SYM
12787	484	98	=	=	SYM
12787	484	99	=	=	SYM
12787	484	100	=	=	SYM
12787	484	101	=	=	SYM
12787	484	102	=	=	SYM
12787	484	103	=	=	SYM
12787	484	104	=	=	SYM
12787	484	105	=	=	SYM
12787	484	106	=	=	SYM
12787	484	107	=	=	SYM
12787	484	108	=	=	SYM
12787	484	109	=	=	SYM
12787	484	110	=	=	SYM
12787	484	111	=	=	SYM
12787	484	112	=	=	SYM
12787	484	113	=	=	NFP
12787	484	114	=	=	NFP
12787	484	115	=	=	NFP
12787	484	116	It	-PRON-	PRP
12787	484	117	should	should	MD
12787	484	118	also	also	RB
12787	484	119	be	be	VB
12787	484	120	stated	state	VBN
12787	484	121	that	that	IN
12787	484	122	there	there	EX
12787	484	123	are	be	VBP
12787	484	124	occasionally	occasionally	RB
12787	484	125	secondary	secondary	JJ
12787	484	126	changes	change	NNS
12787	484	127	,	,	,
12787	484	128	other	other	JJ
12787	484	129	than	than	IN
12787	484	130	those	those	DT
12787	484	131	outlined	outline	VBN
12787	484	132	above	above	RB
12787	484	133	,	,	,
12787	484	134	which	which	WDT
12787	484	135	depend	depend	VBP
12787	484	136	upon	upon	IN
12787	484	137	the	the	DT
12787	484	138	temperature	temperature	NN
12787	484	139	and	and	CC
12787	484	140	concentration	concentration	NN
12787	484	141	of	of	IN
12787	484	142	the	the	DT
12787	484	143	solutions	solution	NNS
12787	484	144	in	in	IN
12787	484	145	which	which	WDT
12787	484	146	the	the	DT
12787	484	147	indicators	indicator	NNS
12787	484	148	are	be	VBP
12787	484	149	used	use	VBN
12787	484	150	.	.	.
12787	485	1	These	these	DT
12787	485	2	changes	change	NNS
12787	485	3	may	may	MD
12787	485	4	influence	influence	VB
12787	485	5	the	the	DT
12787	485	6	sensitiveness	sensitiveness	NN
12787	485	7	of	of	IN
12787	485	8	an	an	DT
12787	485	9	indicator	indicator	NN
12787	485	10	.	.	.
12787	486	1	It	-PRON-	PRP
12787	486	2	is	be	VBZ
12787	486	3	important	important	JJ
12787	486	4	,	,	,
12787	486	5	therefore	therefore	RB
12787	486	6	,	,	,
12787	486	7	to	to	TO
12787	486	8	take	take	VB
12787	486	9	pains	pain	NNS
12787	486	10	to	to	TO
12787	486	11	use	use	VB
12787	486	12	approximately	approximately	RB
12787	486	13	the	the	DT
12787	486	14	same	same	JJ
12787	486	15	volume	volume	NN
12787	486	16	of	of	IN
12787	486	17	solution	solution	NN
12787	486	18	when	when	WRB
12787	486	19	standardizing	standardize	VBG
12787	486	20	that	that	DT
12787	486	21	is	be	VBZ
12787	486	22	likely	likely	JJ
12787	486	23	to	to	TO
12787	486	24	be	be	VB
12787	486	25	employed	employ	VBN
12787	486	26	in	in	IN
12787	486	27	analysis	analysis	NN
12787	486	28	;	;	:
12787	486	29	and	and	CC
12787	486	30	when	when	WRB
12787	486	31	it	-PRON-	PRP
12787	486	32	is	be	VBZ
12787	486	33	necessary	necessary	JJ
12787	486	34	,	,	,
12787	486	35	as	as	IN
12787	486	36	is	be	VBZ
12787	486	37	often	often	RB
12787	486	38	the	the	DT
12787	486	39	case	case	NN
12787	486	40	,	,	,
12787	486	41	to	to	TO
12787	486	42	titrate	titrate	VB
12787	486	43	the	the	DT
12787	486	44	solution	solution	NN
12787	486	45	at	at	IN
12787	486	46	boiling	boil	VBG
12787	486	47	temperature	temperature	NN
12787	486	48	,	,	,
12787	486	49	the	the	DT
12787	486	50	standardization	standardization	NN
12787	486	51	should	should	MD
12787	486	52	take	take	VB
12787	486	53	place	place	NN
12787	486	54	under	under	IN
12787	486	55	the	the	DT
12787	486	56	same	same	JJ
12787	486	57	conditions	condition	NNS
12787	486	58	.	.	.
12787	487	1	It	-PRON-	PRP
12787	487	2	is	be	VBZ
12787	487	3	also	also	RB
12787	487	4	obvious	obvious	JJ
12787	487	5	that	that	IN
12787	487	6	since	since	IN
12787	487	7	some	some	DT
12787	487	8	acid	acid	NN
12787	487	9	or	or	CC
12787	487	10	alkali	alkali	JJ
12787	487	11	is	be	VBZ
12787	487	12	required	require	VBN
12787	487	13	to	to	TO
12787	487	14	react	react	VB
12787	487	15	with	with	IN
12787	487	16	the	the	DT
12787	487	17	indicator	indicator	NN
12787	487	18	itself	-PRON-	PRP
12787	487	19	,	,	,
12787	487	20	the	the	DT
12787	487	21	amount	amount	NN
12787	487	22	of	of	IN
12787	487	23	indicator	indicator	NN
12787	487	24	used	use	VBN
12787	487	25	should	should	MD
12787	487	26	be	be	VB
12787	487	27	uniform	uniform	JJ
12787	487	28	and	and	CC
12787	487	29	not	not	RB
12787	487	30	excessive	excessive	JJ
12787	487	31	.	.	.
12787	488	1	Usually	usually	RB
12787	488	2	a	a	DT
12787	488	3	few	few	JJ
12787	488	4	drops	drop	NNS
12787	488	5	of	of	IN
12787	488	6	solution	solution	NN
12787	488	7	will	will	MD
12787	488	8	suffice	suffice	VB
12787	488	9	.	.	.
12787	489	1	The	the	DT
12787	489	2	foregoing	foregoing	NN
12787	489	3	statements	statement	NNS
12787	489	4	with	with	IN
12787	489	5	respect	respect	NN
12787	489	6	to	to	IN
12787	489	7	the	the	DT
12787	489	8	behavior	behavior	NN
12787	489	9	of	of	IN
12787	489	10	indicators	indicator	NNS
12787	489	11	present	present	VBP
12787	489	12	the	the	DT
12787	489	13	subject	subject	NN
12787	489	14	in	in	IN
12787	489	15	its	-PRON-	PRP$
12787	489	16	simplest	simple	JJS
12787	489	17	terms	term	NNS
12787	489	18	.	.	.
12787	490	1	Many	many	JJ
12787	490	2	substances	substance	NNS
12787	490	3	other	other	JJ
12787	490	4	than	than	IN
12787	490	5	those	those	DT
12787	490	6	named	name	VBN
12787	490	7	may	may	MD
12787	490	8	be	be	VB
12787	490	9	employed	employ	VBN
12787	490	10	,	,	,
12787	490	11	and	and	CC
12787	490	12	they	-PRON-	PRP
12787	490	13	have	have	VBP
12787	490	14	been	be	VBN
12787	490	15	carefully	carefully	RB
12787	490	16	studied	study	VBN
12787	490	17	to	to	TO
12787	490	18	determine	determine	VB
12787	490	19	the	the	DT
12787	490	20	exact	exact	JJ
12787	490	21	concentration	concentration	NN
12787	490	22	of	of	IN
12787	490	23	H^{+	H^{+	NNP
12787	490	24	}	}	-RRB-
12787	490	25	ions	ion	NNS
12787	490	26	at	at	IN
12787	490	27	which	which	WDT
12787	490	28	the	the	DT
12787	490	29	color	color	NN
12787	490	30	change	change	NN
12787	490	31	of	of	IN
12787	490	32	each	each	DT
12787	490	33	occurs	occur	VBZ
12787	490	34	.	.	.
12787	491	1	It	-PRON-	PRP
12787	491	2	is	be	VBZ
12787	491	3	thus	thus	RB
12787	491	4	possible	possible	JJ
12787	491	5	to	to	TO
12787	491	6	select	select	VB
12787	491	7	an	an	DT
12787	491	8	indicator	indicator	NN
12787	491	9	for	for	IN
12787	491	10	a	a	DT
12787	491	11	particular	particular	JJ
12787	491	12	purpose	purpose	NN
12787	491	13	with	with	IN
12787	491	14	considerable	considerable	JJ
12787	491	15	accuracy	accuracy	NN
12787	491	16	.	.	.
12787	492	1	As	as	IN
12787	492	2	data	datum	NNS
12787	492	3	of	of	IN
12787	492	4	this	this	DT
12787	492	5	nature	nature	NN
12787	492	6	do	do	VBP
12787	492	7	not	not	RB
12787	492	8	belong	belong	VB
12787	492	9	in	in	IN
12787	492	10	an	an	DT
12787	492	11	introductory	introductory	JJ
12787	492	12	manual	manual	NN
12787	492	13	,	,	,
12787	492	14	reference	reference	NN
12787	492	15	is	be	VBZ
12787	492	16	made	make	VBN
12787	492	17	to	to	IN
12787	492	18	the	the	DT
12787	492	19	following	follow	VBG
12787	492	20	papers	paper	NNS
12787	492	21	or	or	CC
12787	492	22	books	book	NNS
12787	492	23	in	in	IN
12787	492	24	which	which	WDT
12787	492	25	a	a	DT
12787	492	26	more	more	RBR
12787	492	27	extended	extended	JJ
12787	492	28	treatment	treatment	NN
12787	492	29	of	of	IN
12787	492	30	the	the	DT
12787	492	31	subject	subject	NN
12787	492	32	may	may	MD
12787	492	33	be	be	VB
12787	492	34	found	find	VBN
12787	492	35	:	:	:
12787	492	36	Washburn	Washburn	NNP
12787	492	37	,	,	,
12787	492	38	E.W.	E.W.	NNP
12787	492	39	,	,	,
12787	492	40	Principles	Principles	NNPS
12787	492	41	of	of	IN
12787	492	42	Physical	Physical	NNP
12787	492	43	Chemistry	Chemistry	NNP
12787	492	44	(	(	-LRB-
12787	492	45	McGraw	McGraw	NNP
12787	492	46	-	-	HYPH
12787	492	47	Hill	Hill	NNP
12787	492	48	Book	Book	NNP
12787	492	49	Co.	Co.	NNP
12787	492	50	)	)	-RRB-
12787	492	51	,	,	,
12787	492	52	(	(	-LRB-
12787	492	53	Second	Second	NNP
12787	492	54	Edition	Edition	NNP
12787	492	55	,	,	,
12787	492	56	1921	1921	CD
12787	492	57	)	)	-RRB-
12787	492	58	,	,	,
12787	492	59	pp	pp	NNP
12787	492	60	.	.	.
12787	493	1	380	380	CD
12787	493	2	-	-	SYM
12787	493	3	387	387	CD
12787	493	4	.	.	.
12787	494	1	Prideaux	Prideaux	NNP
12787	494	2	,	,	,
12787	494	3	E.B.R.	E.B.R.	NNP
12787	494	4	,	,	,
12787	494	5	The	the	DT
12787	494	6	Theory	Theory	NNP
12787	494	7	and	and	CC
12787	494	8	Use	Use	NNP
12787	494	9	of	of	IN
12787	494	10	Indicators	indicator	NNS
12787	494	11	(	(	-LRB-
12787	494	12	Constable	Constable	NNP
12787	494	13	&	&	CC
12787	494	14	Co.	Co.	NNP
12787	494	15	,	,	,
12787	494	16	Ltd.	Ltd.	NNP
12787	494	17	)	)	-RRB-
12787	494	18	,	,	,
12787	494	19	(	(	-LRB-
12787	494	20	1917	1917	CD
12787	494	21	)	)	-RRB-
12787	494	22	.	.	.
12787	495	1	Salm	Salm	NNP
12787	495	2	,	,	,
12787	495	3	E.	E.	NNP
12787	495	4	,	,	,
12787	495	5	A	A	NNP
12787	495	6	Study	Study	NNP
12787	495	7	of	of	IN
12787	495	8	Indicators	Indicators	NNPS
12787	495	9	,	,	,
12787	495	10	!	!	.
12787	495	11	Z.	Z.	NNP
12787	496	1	physik	physik	NNP
12787	496	2	.	.	.
12787	497	1	Chem	Chem	NNP
12787	497	2	.	.	.
12787	498	1	!	!	.
12787	498	2	,	,	,
12787	498	3	57	57	CD
12787	498	4	(	(	-LRB-
12787	498	5	1906	1906	CD
12787	498	6	)	)	-RRB-
12787	498	7	,	,	,
12787	498	8	471	471	CD
12787	498	9	-	-	SYM
12787	498	10	501	501	CD
12787	498	11	.	.	.
12787	499	1	Stieglitz	Stieglitz	NNP
12787	499	2	,	,	,
12787	499	3	J.	J.	NNP
12787	499	4	,	,	,
12787	499	5	Theories	Theories	NNPS
12787	499	6	of	of	IN
12787	499	7	Indicators	Indicators	NNPS
12787	499	8	,	,	,
12787	499	9	!	!	.
12787	499	10	J.	J.	NNP
12787	500	1	Am	Am	NNP
12787	500	2	.	.	.
12787	501	1	Chem	Chem	NNP
12787	501	2	.	.	.
12787	502	1	Soc	Soc	NNP
12787	502	2	.	.	.
12787	503	1	!	!	.
12787	503	2	,	,	,
12787	503	3	25	25	CD
12787	503	4	(	(	-LRB-
12787	503	5	1903	1903	CD
12787	503	6	)	)	-RRB-
12787	503	7	,	,	,
12787	503	8	1112	1112	CD
12787	503	9	-	-	SYM
12787	503	10	1127	1127	CD
12787	503	11	.	.	.
12787	504	1	Noyes	Noyes	NNP
12787	504	2	,	,	,
12787	504	3	A.A.	A.A.	NNP
12787	504	4	,	,	,
12787	504	5	Quantitative	Quantitative	NNP
12787	504	6	Applications	Applications	NNPS
12787	504	7	of	of	IN
12787	504	8	the	the	DT
12787	504	9	Theory	Theory	NNP
12787	504	10	of	of	IN
12787	504	11	Indicators	indicator	NNS
12787	504	12	to	to	IN
12787	504	13	Volumetric	Volumetric	NNP
12787	504	14	Analysis	Analysis	NNP
12787	504	15	,	,	,
12787	504	16	!	!	.
12787	504	17	J.	J.	NNP
12787	505	1	Am	Am	NNP
12787	505	2	.	.	.
12787	506	1	Chem	Chem	NNP
12787	506	2	.	.	.
12787	507	1	Soc	Soc	NNP
12787	507	2	.	.	.
12787	508	1	!	!	.
12787	508	2	,	,	,
12787	508	3	32	32	CD
12787	508	4	(	(	-LRB-
12787	508	5	1911	1911	CD
12787	508	6	)	)	-RRB-
12787	508	7	,	,	,
12787	508	8	815	815	CD
12787	508	9	-	-	SYM
12787	508	10	861	861	CD
12787	508	11	.	.	.
12787	509	1	Bjerrum	Bjerrum	NNP
12787	509	2	,	,	,
12787	509	3	N.	N.	NNP
12787	509	4	,	,	,
12787	509	5	General	General	NNP
12787	509	6	Discussion	Discussion	NNP
12787	509	7	,	,	,
12787	509	8	!	!	.
12787	509	9	Z.	Z.	NNP
12787	510	1	Anal	anal	JJ
12787	510	2	.	.	.
12787	511	1	Chem	Chem	NNP
12787	511	2	.	.	.
12787	512	1	!	!	.
12787	512	2	,	,	,
12787	512	3	66	66	CD
12787	512	4	(	(	-LRB-
12787	512	5	1917	1917	CD
12787	512	6	)	)	-RRB-
12787	512	7	,	,	,
12787	512	8	13	13	CD
12787	512	9	-	-	SYM
12787	512	10	28	28	CD
12787	512	11	and	and	CC
12787	512	12	81	81	CD
12787	512	13	-	-	SYM
12787	512	14	95	95	CD
12787	512	15	.	.	.
12787	513	1	Ostwald	Ostwald	NNP
12787	513	2	,	,	,
12787	513	3	W.	W.	NNP
12787	513	4	,	,	,
12787	513	5	Colloid	Colloid	NNP
12787	513	6	Chemistry	Chemistry	NNP
12787	513	7	of	of	IN
12787	513	8	Indicators	Indicators	NNPS
12787	513	9	,	,	,
12787	513	10	!	!	.
12787	513	11	Z.	Z.	NNP
12787	514	1	Chem	Chem	NNP
12787	514	2	.	.	.
12787	515	1	Ind.	Indiana	NNP
12787	516	1	Kolloide	Kolloide	NNP
12787	516	2	!	!	.
12787	516	3	,	,	,
12787	516	4	10	10	CD
12787	516	5	(	(	-LRB-
12787	516	6	1912	1912	CD
12787	516	7	)	)	-RRB-
12787	516	8	,	,	,
12787	516	9	132	132	CD
12787	516	10	-	-	SYM
12787	516	11	146	146	CD
12787	516	12	.	.	.
12787	517	1	[	[	-LRB-
12787	517	2	Note	note	NN
12787	517	3	1	1	CD
12787	517	4	:	:	:
12787	517	5	Glaser	Glaser	NNP
12787	517	6	,	,	,
12787	517	7	!	!	.
12787	517	8	Indikatoren	Indikatoren	NNP
12787	517	9	der	der	IN
12787	517	10	Acidimetrie	Acidimetrie	NNP
12787	517	11	und	und	NN
12787	517	12	Alkalimetrie	Alkalimetrie	NNP
12787	517	13	!	!	.
12787	517	14	.	.	.
12787	518	1	Wiesbaden	Wiesbaden	NNP
12787	518	2	,	,	,
12787	518	3	1901	1901	CD
12787	518	4	.	.	.
12787	518	5	]	]	-RRB-
12787	519	1	PREPARATION	preparation	NN
12787	519	2	OF	of	IN
12787	519	3	INDICATOR	INDICATOR	NNP
12787	519	4	SOLUTIONS	SOLUTIONS	NNP
12787	519	5	A	A	NNP
12787	519	6	!	!	.
12787	519	7	methyl	methyl	NN
12787	519	8	orange	orange	NN
12787	519	9	solution	solution	NN
12787	519	10	!	!	.
12787	520	1	for	for	IN
12787	520	2	use	use	NN
12787	520	3	as	as	IN
12787	520	4	an	an	DT
12787	520	5	indicator	indicator	NN
12787	520	6	is	be	VBZ
12787	520	7	commonly	commonly	RB
12787	520	8	made	make	VBN
12787	520	9	by	by	IN
12787	520	10	dissolving	dissolve	VBG
12787	520	11	0.05	0.05	CD
12787	520	12	-	-	SYM
12787	520	13	0.1	0.1	CD
12787	520	14	gram	gram	NN
12787	520	15	of	of	IN
12787	520	16	the	the	DT
12787	520	17	compound	compound	NN
12787	520	18	(	(	-LRB-
12787	520	19	also	also	RB
12787	520	20	known	know	VBN
12787	520	21	as	as	IN
12787	520	22	Orange	Orange	NNP
12787	520	23	III	III	NNP
12787	520	24	)	)	-RRB-
12787	520	25	in	in	IN
12787	520	26	a	a	DT
12787	520	27	few	few	JJ
12787	520	28	cubic	cubic	JJ
12787	520	29	centimeters	centimeter	NNS
12787	520	30	of	of	IN
12787	520	31	alcohol	alcohol	NN
12787	520	32	and	and	CC
12787	520	33	diluting	diluting	NN
12787	520	34	with	with	IN
12787	520	35	water	water	NN
12787	520	36	to	to	IN
12787	520	37	100	100	CD
12787	520	38	cc	cc	NN
12787	520	39	.	.	.
12787	521	1	A	a	DT
12787	521	2	good	good	JJ
12787	521	3	grade	grade	NN
12787	521	4	of	of	IN
12787	521	5	material	material	NN
12787	521	6	should	should	MD
12787	521	7	be	be	VB
12787	521	8	secured	secure	VBN
12787	521	9	.	.	.
12787	522	1	It	-PRON-	PRP
12787	522	2	can	can	MD
12787	522	3	be	be	VB
12787	522	4	successfully	successfully	RB
12787	522	5	used	use	VBN
12787	522	6	for	for	IN
12787	522	7	the	the	DT
12787	522	8	titration	titration	NN
12787	522	9	of	of	IN
12787	522	10	hydrochloric	hydrochloric	JJ
12787	522	11	,	,	,
12787	522	12	nitric	nitric	JJ
12787	522	13	,	,	,
12787	522	14	sulphuric	sulphuric	JJ
12787	522	15	,	,	,
12787	522	16	phosphoric	phosphoric	NN
12787	522	17	,	,	,
12787	522	18	and	and	CC
12787	522	19	sulphurous	sulphurous	JJ
12787	522	20	acids	acid	NNS
12787	522	21	,	,	,
12787	522	22	and	and	CC
12787	522	23	is	be	VBZ
12787	522	24	particularly	particularly	RB
12787	522	25	useful	useful	JJ
12787	522	26	in	in	IN
12787	522	27	the	the	DT
12787	522	28	determination	determination	NN
12787	522	29	of	of	IN
12787	522	30	bases	basis	NNS
12787	522	31	,	,	,
12787	522	32	such	such	JJ
12787	522	33	as	as	IN
12787	522	34	sodium	sodium	NN
12787	522	35	,	,	,
12787	522	36	potassium	potassium	NN
12787	522	37	,	,	,
12787	522	38	barium	barium	NN
12787	522	39	,	,	,
12787	522	40	calcium	calcium	NN
12787	522	41	,	,	,
12787	522	42	and	and	CC
12787	522	43	ammonium	ammonium	NN
12787	522	44	hydroxides	hydroxide	NNS
12787	522	45	,	,	,
12787	522	46	and	and	CC
12787	522	47	even	even	RB
12787	522	48	many	many	JJ
12787	522	49	of	of	IN
12787	522	50	the	the	DT
12787	522	51	weak	weak	JJ
12787	522	52	organic	organic	JJ
12787	522	53	bases	basis	NNS
12787	522	54	.	.	.
12787	523	1	It	-PRON-	PRP
12787	523	2	can	can	MD
12787	523	3	also	also	RB
12787	523	4	be	be	VB
12787	523	5	used	use	VBN
12787	523	6	for	for	IN
12787	523	7	the	the	DT
12787	523	8	determination	determination	NN
12787	523	9	,	,	,
12787	523	10	by	by	IN
12787	523	11	titration	titration	NN
12787	523	12	with	with	IN
12787	523	13	a	a	DT
12787	523	14	standard	standard	JJ
12787	523	15	solution	solution	NN
12787	523	16	of	of	IN
12787	523	17	a	a	DT
12787	523	18	strong	strong	JJ
12787	523	19	acid	acid	NN
12787	523	20	,	,	,
12787	523	21	of	of	IN
12787	523	22	the	the	DT
12787	523	23	salts	salt	NNS
12787	523	24	of	of	IN
12787	523	25	very	very	RB
12787	523	26	weak	weak	JJ
12787	523	27	acids	acid	NNS
12787	523	28	,	,	,
12787	523	29	such	such	JJ
12787	523	30	as	as	IN
12787	523	31	carbonates	carbonate	NNS
12787	523	32	,	,	,
12787	523	33	sulphides	sulphide	NNS
12787	523	34	,	,	,
12787	523	35	arsenites	arsenite	NNS
12787	523	36	,	,	,
12787	523	37	borates	borate	NNS
12787	523	38	,	,	,
12787	523	39	and	and	CC
12787	523	40	silicates	silicate	NNS
12787	523	41	,	,	,
12787	523	42	because	because	IN
12787	523	43	the	the	DT
12787	523	44	weak	weak	JJ
12787	523	45	acids	acid	NNS
12787	523	46	which	which	WDT
12787	523	47	are	be	VBP
12787	523	48	liberated	liberate	VBN
12787	523	49	do	do	VBP
12787	523	50	not	not	RB
12787	523	51	affect	affect	VB
12787	523	52	the	the	DT
12787	523	53	indicator	indicator	NN
12787	523	54	,	,	,
12787	523	55	and	and	CC
12787	523	56	the	the	DT
12787	523	57	reddening	reddening	NN
12787	523	58	of	of	IN
12787	523	59	the	the	DT
12787	523	60	solution	solution	NN
12787	523	61	does	do	VBZ
12787	523	62	not	not	RB
12787	523	63	take	take	VB
12787	523	64	place	place	NN
12787	523	65	until	until	IN
12787	523	66	an	an	DT
12787	523	67	excess	excess	NN
12787	523	68	of	of	IN
12787	523	69	the	the	DT
12787	523	70	strong	strong	JJ
12787	523	71	acid	acid	NN
12787	523	72	is	be	VBZ
12787	523	73	added	add	VBN
12787	523	74	.	.	.
12787	524	1	It	-PRON-	PRP
12787	524	2	should	should	MD
12787	524	3	be	be	VB
12787	524	4	used	use	VBN
12787	524	5	in	in	IN
12787	524	6	cold	cold	JJ
12787	524	7	,	,	,
12787	524	8	not	not	RB
12787	524	9	too	too	RB
12787	524	10	dilute	dilute	JJ
12787	524	11	,	,	,
12787	524	12	solutions	solution	NNS
12787	524	13	.	.	.
12787	525	1	Its	-PRON-	PRP$
12787	525	2	sensitiveness	sensitiveness	NN
12787	525	3	is	be	VBZ
12787	525	4	lessened	lessen	VBN
12787	525	5	in	in	IN
12787	525	6	the	the	DT
12787	525	7	presence	presence	NN
12787	525	8	of	of	IN
12787	525	9	considerable	considerable	JJ
12787	525	10	quantities	quantity	NNS
12787	525	11	of	of	IN
12787	525	12	the	the	DT
12787	525	13	salts	salt	NNS
12787	525	14	of	of	IN
12787	525	15	the	the	DT
12787	525	16	alkalies	alkali	NNS
12787	525	17	.	.	.
12787	526	1	A	a	DT
12787	526	2	!	!	.
12787	526	3	phenolphthalein	phenolphthalein	NN
12787	526	4	solution	solution	NN
12787	526	5	!	!	.
12787	527	1	is	be	VBZ
12787	527	2	prepared	prepare	VBN
12787	527	3	by	by	IN
12787	527	4	dissolving	dissolve	VBG
12787	527	5	1	1	CD
12787	527	6	gram	gram	NN
12787	527	7	of	of	IN
12787	527	8	the	the	DT
12787	527	9	pure	pure	JJ
12787	527	10	compound	compound	NN
12787	527	11	in	in	IN
12787	527	12	100	100	CD
12787	527	13	cc	cc	NN
12787	527	14	.	.	.
12787	528	1	of	of	IN
12787	528	2	95	95	CD
12787	528	3	per	per	IN
12787	528	4	cent	cent	NN
12787	528	5	alcohol	alcohol	NN
12787	528	6	.	.	.
12787	529	1	This	this	DT
12787	529	2	indicator	indicator	NN
12787	529	3	is	be	VBZ
12787	529	4	particularly	particularly	RB
12787	529	5	valuable	valuable	JJ
12787	529	6	in	in	IN
12787	529	7	the	the	DT
12787	529	8	determination	determination	NN
12787	529	9	of	of	IN
12787	529	10	weak	weak	JJ
12787	529	11	acids	acid	NNS
12787	529	12	,	,	,
12787	529	13	especially	especially	RB
12787	529	14	organic	organic	JJ
12787	529	15	acids	acid	NNS
12787	529	16	.	.	.
12787	530	1	It	-PRON-	PRP
12787	530	2	can	can	MD
12787	530	3	not	not	RB
12787	530	4	be	be	VB
12787	530	5	used	use	VBN
12787	530	6	with	with	IN
12787	530	7	weak	weak	JJ
12787	530	8	bases	basis	NNS
12787	530	9	,	,	,
12787	530	10	even	even	RB
12787	530	11	ammonia	ammonia	NN
12787	530	12	.	.	.
12787	531	1	It	-PRON-	PRP
12787	531	2	is	be	VBZ
12787	531	3	affected	affect	VBN
12787	531	4	by	by	IN
12787	531	5	carbonic	carbonic	JJ
12787	531	6	acid	acid	NN
12787	531	7	,	,	,
12787	531	8	which	which	WDT
12787	531	9	must	must	MD
12787	531	10	,	,	,
12787	531	11	therefore	therefore	RB
12787	531	12	,	,	,
12787	531	13	be	be	VB
12787	531	14	removed	remove	VBN
12787	531	15	by	by	IN
12787	531	16	boiling	boil	VBG
12787	531	17	when	when	WRB
12787	531	18	other	other	JJ
12787	531	19	acids	acid	NNS
12787	531	20	are	be	VBP
12787	531	21	to	to	TO
12787	531	22	be	be	VB
12787	531	23	measured	measure	VBN
12787	531	24	.	.	.
12787	532	1	It	-PRON-	PRP
12787	532	2	can	can	MD
12787	532	3	be	be	VB
12787	532	4	used	use	VBN
12787	532	5	in	in	IN
12787	532	6	hot	hot	JJ
12787	532	7	solutions	solution	NNS
12787	532	8	.	.	.
12787	533	1	Some	some	DT
12787	533	2	care	care	NN
12787	533	3	is	be	VBZ
12787	533	4	necessary	necessary	JJ
12787	533	5	to	to	TO
12787	533	6	keep	keep	VB
12787	533	7	the	the	DT
12787	533	8	volume	volume	NN
12787	533	9	of	of	IN
12787	533	10	the	the	DT
12787	533	11	solutions	solution	NNS
12787	533	12	to	to	TO
12787	533	13	be	be	VB
12787	533	14	titrated	titrate	VBN
12787	533	15	approximately	approximately	RB
12787	533	16	uniform	uniform	JJ
12787	533	17	in	in	IN
12787	533	18	standardization	standardization	NN
12787	533	19	and	and	CC
12787	533	20	in	in	IN
12787	533	21	analysis	analysis	NN
12787	533	22	,	,	,
12787	533	23	and	and	CC
12787	533	24	this	this	DT
12787	533	25	volume	volume	NN
12787	533	26	should	should	MD
12787	533	27	not	not	RB
12787	533	28	in	in	IN
12787	533	29	general	general	JJ
12787	533	30	exceed	exceed	VB
12787	533	31	125	125	CD
12787	533	32	-	-	SYM
12787	533	33	150	150	CD
12787	533	34	cc	cc	NN
12787	533	35	.	.	.
12787	534	1	for	for	IN
12787	534	2	the	the	DT
12787	534	3	best	good	JJS
12787	534	4	results	result	NNS
12787	534	5	,	,	,
12787	534	6	since	since	IN
12787	534	7	the	the	DT
12787	534	8	compounds	compound	NNS
12787	534	9	formed	form	VBN
12787	534	10	by	by	IN
12787	534	11	the	the	DT
12787	534	12	indicator	indicator	NN
12787	534	13	undergo	undergo	VBP
12787	534	14	changes	change	NNS
12787	534	15	in	in	IN
12787	534	16	very	very	RB
12787	534	17	dilute	dilute	JJ
12787	534	18	solution	solution	NN
12787	534	19	which	which	WDT
12787	534	20	lessen	lessen	VBD
12787	534	21	its	-PRON-	PRP$
12787	534	22	sensitiveness	sensitiveness	NN
12787	534	23	.	.	.
12787	535	1	The	the	DT
12787	535	2	preparation	preparation	NN
12787	535	3	of	of	IN
12787	535	4	a	a	DT
12787	535	5	!	!	.
12787	535	6	solution	solution	NN
12787	535	7	of	of	IN
12787	535	8	litmus	litmus	NN
12787	535	9	!	!	.
12787	536	1	which	which	WDT
12787	536	2	is	be	VBZ
12787	536	3	suitable	suitable	JJ
12787	536	4	for	for	IN
12787	536	5	use	use	NN
12787	536	6	as	as	IN
12787	536	7	an	an	DT
12787	536	8	indicator	indicator	NN
12787	536	9	involves	involve	VBZ
12787	536	10	the	the	DT
12787	536	11	separation	separation	NN
12787	536	12	from	from	IN
12787	536	13	the	the	DT
12787	536	14	commercial	commercial	JJ
12787	536	15	litmus	litmus	NN
12787	536	16	of	of	IN
12787	536	17	azolithmine	azolithmine	NNP
12787	536	18	,	,	,
12787	536	19	the	the	DT
12787	536	20	true	true	JJ
12787	536	21	coloring	color	VBG
12787	536	22	principle	principle	NN
12787	536	23	.	.	.
12787	537	1	Soluble	soluble	JJ
12787	537	2	litmus	litmus	NN
12787	537	3	tablets	tablet	NNS
12787	537	4	are	be	VBP
12787	537	5	often	often	RB
12787	537	6	obtainable	obtainable	JJ
12787	537	7	,	,	,
12787	537	8	but	but	CC
12787	537	9	the	the	DT
12787	537	10	litmus	litmus	NN
12787	537	11	as	as	IN
12787	537	12	commonly	commonly	RB
12787	537	13	supplied	supply	VBN
12787	537	14	to	to	IN
12787	537	15	the	the	DT
12787	537	16	market	market	NN
12787	537	17	is	be	VBZ
12787	537	18	mixed	mix	VBN
12787	537	19	with	with	IN
12787	537	20	calcium	calcium	NN
12787	537	21	carbonate	carbonate	NN
12787	537	22	or	or	CC
12787	537	23	sulphate	sulphate	VB
12787	537	24	and	and	CC
12787	537	25	compressed	compress	VBN
12787	537	26	into	into	IN
12787	537	27	lumps	lump	NNS
12787	537	28	.	.	.
12787	538	1	To	to	TO
12787	538	2	prepare	prepare	VB
12787	538	3	a	a	DT
12787	538	4	solution	solution	NN
12787	538	5	,	,	,
12787	538	6	these	these	DT
12787	538	7	are	be	VBP
12787	538	8	powdered	powder	VBN
12787	538	9	and	and	CC
12787	538	10	treated	treat	VBN
12787	538	11	two	two	CD
12787	538	12	or	or	CC
12787	538	13	three	three	CD
12787	538	14	times	time	NNS
12787	538	15	with	with	IN
12787	538	16	alcohol	alcohol	NN
12787	538	17	,	,	,
12787	538	18	which	which	WDT
12787	538	19	dissolves	dissolve	VBZ
12787	538	20	out	out	RP
12787	538	21	certain	certain	JJ
12787	538	22	constituents	constituent	NNS
12787	538	23	which	which	WDT
12787	538	24	cause	cause	VBP
12787	538	25	a	a	DT
12787	538	26	troublesome	troublesome	JJ
12787	538	27	intermediate	intermediate	JJ
12787	538	28	color	color	NN
12787	538	29	if	if	IN
12787	538	30	not	not	RB
12787	538	31	removed	remove	VBN
12787	538	32	.	.	.
12787	539	1	The	the	DT
12787	539	2	alcohol	alcohol	NN
12787	539	3	is	be	VBZ
12787	539	4	decanted	decant	VBN
12787	539	5	and	and	CC
12787	539	6	drained	drain	VBN
12787	539	7	off	off	RP
12787	539	8	,	,	,
12787	539	9	after	after	IN
12787	539	10	which	which	WDT
12787	539	11	the	the	DT
12787	539	12	litmus	litmus	NN
12787	539	13	is	be	VBZ
12787	539	14	extracted	extract	VBN
12787	539	15	with	with	IN
12787	539	16	hot	hot	JJ
12787	539	17	water	water	NN
12787	539	18	until	until	IN
12787	539	19	exhausted	exhaust	VBN
12787	539	20	.	.	.
12787	540	1	The	the	DT
12787	540	2	solution	solution	NN
12787	540	3	is	be	VBZ
12787	540	4	allowed	allow	VBN
12787	540	5	to	to	TO
12787	540	6	settle	settle	VB
12787	540	7	for	for	IN
12787	540	8	some	some	DT
12787	540	9	time	time	NN
12787	540	10	,	,	,
12787	540	11	the	the	DT
12787	540	12	clear	clear	JJ
12787	540	13	liquid	liquid	NN
12787	540	14	siphoned	siphon	VBN
12787	540	15	off	off	RP
12787	540	16	,	,	,
12787	540	17	concentrated	concentrate	VBD
12787	540	18	to	to	IN
12787	540	19	one	one	CD
12787	540	20	-	-	HYPH
12787	540	21	third	third	NN
12787	540	22	its	-PRON-	PRP$
12787	540	23	volume	volume	NN
12787	540	24	and	and	CC
12787	540	25	acetic	acetic	JJ
12787	540	26	acid	acid	NN
12787	540	27	added	add	VBN
12787	540	28	in	in	IN
12787	540	29	slight	slight	JJ
12787	540	30	excess	excess	NN
12787	540	31	.	.	.
12787	541	1	It	-PRON-	PRP
12787	541	2	is	be	VBZ
12787	541	3	then	then	RB
12787	541	4	concentrated	concentrated	JJ
12787	541	5	to	to	IN
12787	541	6	a	a	DT
12787	541	7	sirup	sirup	NN
12787	541	8	,	,	,
12787	541	9	and	and	CC
12787	541	10	a	a	DT
12787	541	11	large	large	JJ
12787	541	12	excess	excess	NN
12787	541	13	of	of	IN
12787	541	14	95	95	CD
12787	541	15	per	per	NN
12787	541	16	cent	cent	NN
12787	541	17	.	.	.
12787	542	1	alcohol	alcohol	NN
12787	542	2	added	add	VBD
12787	542	3	to	to	IN
12787	542	4	it	-PRON-	PRP
12787	542	5	.	.	.
12787	543	1	This	this	DT
12787	543	2	precipitates	precipitate	VBZ
12787	543	3	the	the	DT
12787	543	4	blue	blue	JJ
12787	543	5	coloring	coloring	NN
12787	543	6	matter	matter	NN
12787	543	7	,	,	,
12787	543	8	which	which	WDT
12787	543	9	is	be	VBZ
12787	543	10	filtered	filter	VBN
12787	543	11	off	off	RP
12787	543	12	,	,	,
12787	543	13	washed	wash	VBN
12787	543	14	with	with	IN
12787	543	15	alcohol	alcohol	NN
12787	543	16	,	,	,
12787	543	17	and	and	CC
12787	543	18	finally	finally	RB
12787	543	19	dissolved	dissolve	VBN
12787	543	20	in	in	IN
12787	543	21	a	a	DT
12787	543	22	small	small	JJ
12787	543	23	volume	volume	NN
12787	543	24	of	of	IN
12787	543	25	water	water	NN
12787	543	26	and	and	CC
12787	543	27	diluted	dilute	VBN
12787	543	28	until	until	IN
12787	543	29	about	about	IN
12787	543	30	three	three	CD
12787	543	31	drops	drop	NNS
12787	543	32	of	of	IN
12787	543	33	the	the	DT
12787	543	34	solution	solution	NN
12787	543	35	added	add	VBN
12787	543	36	to	to	IN
12787	543	37	50	50	CD
12787	543	38	cc	cc	NN
12787	543	39	.	.	.
12787	544	1	of	of	IN
12787	544	2	water	water	NN
12787	544	3	just	just	RB
12787	544	4	produce	produce	VBP
12787	544	5	a	a	DT
12787	544	6	distinct	distinct	JJ
12787	544	7	color	color	NN
12787	544	8	.	.	.
12787	545	1	This	this	DT
12787	545	2	solution	solution	NN
12787	545	3	must	must	MD
12787	545	4	be	be	VB
12787	545	5	kept	keep	VBN
12787	545	6	in	in	IN
12787	545	7	an	an	DT
12787	545	8	unstoppered	unstoppered	JJ
12787	545	9	bottle	bottle	NN
12787	545	10	.	.	.
12787	546	1	It	-PRON-	PRP
12787	546	2	should	should	MD
12787	546	3	be	be	VB
12787	546	4	protected	protect	VBN
12787	546	5	from	from	IN
12787	546	6	dust	dust	NN
12787	546	7	by	by	IN
12787	546	8	a	a	DT
12787	546	9	loose	loose	JJ
12787	546	10	plug	plug	NN
12787	546	11	of	of	IN
12787	546	12	absorbent	absorbent	JJ
12787	546	13	cotton	cotton	NN
12787	546	14	.	.	.
12787	547	1	If	if	IN
12787	547	2	kept	keep	VBN
12787	547	3	in	in	IN
12787	547	4	a	a	DT
12787	547	5	closed	closed	JJ
12787	547	6	bottle	bottle	NN
12787	547	7	it	-PRON-	PRP
12787	547	8	soon	soon	RB
12787	547	9	undergoes	undergo	VBZ
12787	547	10	a	a	DT
12787	547	11	reduction	reduction	NN
12787	547	12	and	and	CC
12787	547	13	loses	lose	VBZ
12787	547	14	its	-PRON-	PRP$
12787	547	15	color	color	NN
12787	547	16	,	,	,
12787	547	17	which	which	WDT
12787	547	18	,	,	,
12787	547	19	however	however	RB
12787	547	20	,	,	,
12787	547	21	is	be	VBZ
12787	547	22	often	often	RB
12787	547	23	restored	restore	VBN
12787	547	24	by	by	IN
12787	547	25	exposure	exposure	NN
12787	547	26	to	to	IN
12787	547	27	the	the	DT
12787	547	28	air	air	NN
12787	547	29	.	.	.
12787	548	1	Litmus	Litmus	NNP
12787	548	2	can	can	MD
12787	548	3	be	be	VB
12787	548	4	employed	employ	VBN
12787	548	5	successfully	successfully	RB
12787	548	6	with	with	IN
12787	548	7	the	the	DT
12787	548	8	strong	strong	JJ
12787	548	9	acids	acid	NNS
12787	548	10	and	and	CC
12787	548	11	bases	basis	NNS
12787	548	12	,	,	,
12787	548	13	and	and	CC
12787	548	14	also	also	RB
12787	548	15	with	with	IN
12787	548	16	ammonium	ammonium	NN
12787	548	17	hydroxide	hydroxide	NN
12787	548	18	,	,	,
12787	548	19	although	although	IN
12787	548	20	the	the	DT
12787	548	21	salts	salt	NNS
12787	548	22	of	of	IN
12787	548	23	the	the	DT
12787	548	24	latter	latter	JJ
12787	548	25	influence	influence	NN
12787	548	26	the	the	DT
12787	548	27	indicator	indicator	NN
12787	548	28	unfavorably	unfavorably	RB
12787	548	29	if	if	IN
12787	548	30	present	present	JJ
12787	548	31	in	in	IN
12787	548	32	considerable	considerable	JJ
12787	548	33	concentration	concentration	NN
12787	548	34	.	.	.
12787	549	1	It	-PRON-	PRP
12787	549	2	may	may	MD
12787	549	3	be	be	VB
12787	549	4	employed	employ	VBN
12787	549	5	with	with	IN
12787	549	6	some	some	DT
12787	549	7	of	of	IN
12787	549	8	the	the	DT
12787	549	9	stronger	strong	JJR
12787	549	10	organic	organic	JJ
12787	549	11	acids	acid	NNS
12787	549	12	,	,	,
12787	549	13	but	but	CC
12787	549	14	the	the	DT
12787	549	15	use	use	NN
12787	549	16	of	of	IN
12787	549	17	phenolphthalein	phenolphthalein	NN
12787	549	18	is	be	VBZ
12787	549	19	to	to	TO
12787	549	20	be	be	VB
12787	549	21	preferred	prefer	VBN
12787	549	22	.	.	.
12787	550	1	PREPARATION	preparation	NN
12787	550	2	OF	of	IN
12787	550	3	STANDARD	STANDARD	NNP
12787	550	4	SOLUTIONS	SOLUTIONS	NNP
12787	550	5	!	!	.
12787	550	6	Hydrochloric	Hydrochloric	NNP
12787	550	7	Acid	Acid	NNP
12787	550	8	and	and	CC
12787	550	9	Sodium	Sodium	NNP
12787	550	10	Hydroxide	Hydroxide	NNP
12787	550	11	.	.	.
12787	551	1	Approximate	Approximate	NNP
12787	551	2	Strength	Strength	NNP
12787	551	3	!	!	.
12787	551	4	,	,	,
12787	551	5	0.5	0.5	CD
12787	551	6	N	n	NN
12787	551	7	PROCEDURE.--Measure	procedure.--measure	NN
12787	551	8	out	out	RB
12787	551	9	40	40	CD
12787	551	10	cc	cc	NN
12787	551	11	.	.	.
12787	552	1	of	of	IN
12787	552	2	concentrated	concentrated	JJ
12787	552	3	,	,	,
12787	552	4	pure	pure	JJ
12787	552	5	hydrochloric	hydrochloric	JJ
12787	552	6	acid	acid	NN
12787	552	7	into	into	IN
12787	552	8	a	a	DT
12787	552	9	clean	clean	JJ
12787	552	10	liter	liter	NN
12787	552	11	bottle	bottle	NN
12787	552	12	,	,	,
12787	552	13	and	and	CC
12787	552	14	dilute	dilute	VB
12787	552	15	with	with	IN
12787	552	16	distilled	distilled	JJ
12787	552	17	water	water	NN
12787	552	18	to	to	IN
12787	552	19	an	an	DT
12787	552	20	approximate	approximate	JJ
12787	552	21	volume	volume	NN
12787	552	22	of	of	IN
12787	552	23	1000	1000	CD
12787	552	24	cc	cc	NN
12787	552	25	.	.	.
12787	553	1	Shake	shake	VB
12787	553	2	the	the	DT
12787	553	3	solution	solution	NN
12787	553	4	vigorously	vigorously	RB
12787	553	5	for	for	IN
12787	553	6	a	a	DT
12787	553	7	full	full	JJ
12787	553	8	minute	minute	NN
12787	553	9	to	to	TO
12787	553	10	insure	insure	VB
12787	553	11	uniformity	uniformity	NN
12787	553	12	.	.	.
12787	554	1	Be	be	VB
12787	554	2	sure	sure	JJ
12787	554	3	that	that	IN
12787	554	4	the	the	DT
12787	554	5	bottle	bottle	NN
12787	554	6	is	be	VBZ
12787	554	7	not	not	RB
12787	554	8	too	too	RB
12787	554	9	full	full	JJ
12787	554	10	to	to	TO
12787	554	11	permit	permit	VB
12787	554	12	of	of	IN
12787	554	13	a	a	DT
12787	554	14	thorough	thorough	JJ
12787	554	15	mixing	mixing	NN
12787	554	16	,	,	,
12787	554	17	since	since	IN
12787	554	18	lack	lack	NN
12787	554	19	of	of	IN
12787	554	20	care	care	NN
12787	554	21	at	at	IN
12787	554	22	this	this	DT
12787	554	23	point	point	NN
12787	554	24	will	will	MD
12787	554	25	be	be	VB
12787	554	26	the	the	DT
12787	554	27	cause	cause	NN
12787	554	28	of	of	IN
12787	554	29	much	much	JJ
12787	554	30	wasted	waste	VBN
12787	554	31	time	time	NN
12787	554	32	(	(	-LRB-
12787	554	33	Note	note	NN
12787	554	34	1	1	CD
12787	554	35	)	)	-RRB-
12787	554	36	.	.	.
12787	555	1	Weigh	weigh	VB
12787	555	2	out	out	RP
12787	555	3	,	,	,
12787	555	4	upon	upon	IN
12787	555	5	a	a	DT
12787	555	6	rough	rough	JJ
12787	555	7	balance	balance	NN
12787	555	8	,	,	,
12787	555	9	23	23	CD
12787	555	10	grams	gram	NNS
12787	555	11	of	of	IN
12787	555	12	sodium	sodium	NN
12787	555	13	hydroxide	hydroxide	NN
12787	555	14	(	(	-LRB-
12787	555	15	Note	note	NN
12787	555	16	2	2	CD
12787	555	17	)	)	-RRB-
12787	555	18	.	.	.
12787	556	1	Dissolve	dissolve	VB
12787	556	2	the	the	DT
12787	556	3	hydroxide	hydroxide	NN
12787	556	4	in	in	IN
12787	556	5	water	water	NN
12787	556	6	in	in	IN
12787	556	7	a	a	DT
12787	556	8	beaker	beaker	NN
12787	556	9	.	.	.
12787	557	1	Pour	pour	VB
12787	557	2	the	the	DT
12787	557	3	solution	solution	NN
12787	557	4	into	into	IN
12787	557	5	a	a	DT
12787	557	6	liter	liter	NN
12787	557	7	bottle	bottle	NN
12787	557	8	and	and	CC
12787	557	9	dilute	dilute	NN
12787	557	10	,	,	,
12787	557	11	as	as	IN
12787	557	12	above	above	RB
12787	557	13	,	,	,
12787	557	14	to	to	TO
12787	557	15	approximately	approximately	RB
12787	557	16	1000	1000	CD
12787	557	17	cc	cc	NNP
12787	557	18	.	.	.
12787	558	1	This	this	DT
12787	558	2	bottle	bottle	NN
12787	558	3	should	should	MD
12787	558	4	preferably	preferably	RB
12787	558	5	have	have	VB
12787	558	6	a	a	DT
12787	558	7	rubber	rubber	NN
12787	558	8	stopper	stopper	NN
12787	558	9	,	,	,
12787	558	10	as	as	IN
12787	558	11	the	the	DT
12787	558	12	hydroxide	hydroxide	NN
12787	558	13	solution	solution	NN
12787	558	14	attacks	attack	VBZ
12787	558	15	the	the	DT
12787	558	16	glass	glass	NN
12787	558	17	of	of	IN
12787	558	18	the	the	DT
12787	558	19	ground	ground	NN
12787	558	20	joint	joint	NN
12787	558	21	of	of	IN
12787	558	22	a	a	DT
12787	558	23	glass	glass	NN
12787	558	24	stopper	stopper	NN
12787	558	25	,	,	,
12787	558	26	and	and	CC
12787	558	27	may	may	MD
12787	558	28	cement	cement	VB
12787	558	29	the	the	DT
12787	558	30	stopper	stopper	NN
12787	558	31	to	to	IN
12787	558	32	the	the	DT
12787	558	33	bottle	bottle	NN
12787	558	34	.	.	.
12787	559	1	Shake	shake	VB
12787	559	2	the	the	DT
12787	559	3	solution	solution	NN
12787	559	4	as	as	IN
12787	559	5	described	describe	VBN
12787	559	6	above	above	RB
12787	559	7	.	.	.
12787	560	1	[	[	-LRB-
12787	560	2	Note	note	NN
12787	560	3	1	1	CD
12787	560	4	:	:	:
12787	560	5	The	the	DT
12787	560	6	original	original	JJ
12787	560	7	solutions	solution	NNS
12787	560	8	are	be	VBP
12787	560	9	prepared	prepare	VBN
12787	560	10	of	of	IN
12787	560	11	a	a	DT
12787	560	12	strength	strength	NN
12787	560	13	greater	great	JJR
12787	560	14	than	than	IN
12787	560	15	0.5	0.5	CD
12787	560	16	N	n	CD
12787	560	17	,	,	,
12787	560	18	as	as	IN
12787	560	19	they	-PRON-	PRP
12787	560	20	are	be	VBP
12787	560	21	more	more	RBR
12787	560	22	readily	readily	RB
12787	560	23	diluted	dilute	VBN
12787	560	24	than	than	IN
12787	560	25	strengthened	strengthen	VBN
12787	560	26	if	if	IN
12787	560	27	later	later	JJ
12787	560	28	adjustment	adjustment	NN
12787	560	29	is	be	VBZ
12787	560	30	desired	desire	VBN
12787	560	31	.	.	.
12787	561	1	Too	too	RB
12787	561	2	much	much	JJ
12787	561	3	care	care	NN
12787	561	4	can	can	MD
12787	561	5	not	not	RB
12787	561	6	be	be	VB
12787	561	7	taken	take	VBN
12787	561	8	to	to	TO
12787	561	9	insure	insure	VB
12787	561	10	perfect	perfect	JJ
12787	561	11	uniformity	uniformity	NN
12787	561	12	of	of	IN
12787	561	13	solutions	solution	NNS
12787	561	14	before	before	IN
12787	561	15	standardization	standardization	NN
12787	561	16	,	,	,
12787	561	17	and	and	CC
12787	561	18	thoroughness	thoroughness	NN
12787	561	19	in	in	IN
12787	561	20	this	this	DT
12787	561	21	respect	respect	NN
12787	561	22	will	will	MD
12787	561	23	,	,	,
12787	561	24	as	as	IN
12787	561	25	stated	state	VBN
12787	561	26	,	,	,
12787	561	27	often	often	RB
12787	561	28	avoid	avoid	VBP
12787	561	29	much	much	JJ
12787	561	30	waste	waste	NN
12787	561	31	of	of	IN
12787	561	32	time	time	NN
12787	561	33	.	.	.
12787	562	1	A	a	DT
12787	562	2	solution	solution	NN
12787	562	3	once	once	RB
12787	562	4	thoroughly	thoroughly	RB
12787	562	5	mixed	mix	VBN
12787	562	6	remains	remain	VBZ
12787	562	7	uniform	uniform	JJ
12787	562	8	.	.	.
12787	562	9	]	]	-RRB-
12787	563	1	[	[	-LRB-
12787	563	2	Note	note	NN
12787	563	3	2	2	CD
12787	563	4	:	:	:
12787	563	5	Commercial	commercial	JJ
12787	563	6	sodium	sodium	NN
12787	563	7	hydroxide	hydroxide	NN
12787	563	8	is	be	VBZ
12787	563	9	usually	usually	RB
12787	563	10	impure	impure	NN
12787	563	11	and	and	CC
12787	563	12	always	always	RB
12787	563	13	contains	contain	VBZ
12787	563	14	more	more	RBR
12787	563	15	or	or	CC
12787	563	16	less	less	RBR
12787	563	17	carbonate	carbonate	JJ
12787	563	18	;	;	:
12787	563	19	an	an	DT
12787	563	20	allowance	allowance	NN
12787	563	21	is	be	VBZ
12787	563	22	therefore	therefore	RB
12787	563	23	made	make	VBN
12787	563	24	for	for	IN
12787	563	25	this	this	DT
12787	563	26	impurity	impurity	NN
12787	563	27	by	by	IN
12787	563	28	placing	place	VBG
12787	563	29	the	the	DT
12787	563	30	weight	weight	NN
12787	563	31	taken	take	VBN
12787	563	32	at	at	IN
12787	563	33	23	23	CD
12787	563	34	grams	gram	NNS
12787	563	35	per	per	IN
12787	563	36	liter	liter	NN
12787	563	37	.	.	.
12787	564	1	If	if	IN
12787	564	2	the	the	DT
12787	564	3	hydroxide	hydroxide	NN
12787	564	4	is	be	VBZ
12787	564	5	known	know	VBN
12787	564	6	to	to	TO
12787	564	7	be	be	VB
12787	564	8	pure	pure	JJ
12787	564	9	,	,	,
12787	564	10	a	a	DT
12787	564	11	lesser	less	JJR
12787	564	12	amount	amount	NN
12787	564	13	(	(	-LRB-
12787	564	14	say	say	VB
12787	564	15	21	21	CD
12787	564	16	grams	gram	NNS
12787	564	17	)	)	-RRB-
12787	564	18	will	will	MD
12787	564	19	suffice	suffice	VB
12787	564	20	.	.	.
12787	564	21	]	]	-RRB-
12787	565	1	COMPARISON	comparison	NN
12787	565	2	OF	of	IN
12787	565	3	ACID	ACID	NNP
12787	565	4	AND	and	CC
12787	565	5	ALKALI	ALKALI	NNP
12787	565	6	SOLUTIONS	SOLUTIONS	NNP
12787	565	7	PROCEDURE.--Rinse	PROCEDURE.--Rinse	NNP
12787	565	8	a	a	DT
12787	565	9	previously	previously	RB
12787	565	10	calibrated	calibrate	VBN
12787	565	11	burette	burette	NN
12787	565	12	three	three	CD
12787	565	13	times	time	NNS
12787	565	14	with	with	IN
12787	565	15	the	the	DT
12787	565	16	hydrochloric	hydrochloric	JJ
12787	565	17	acid	acid	NN
12787	565	18	solution	solution	NN
12787	565	19	,	,	,
12787	565	20	using	use	VBG
12787	565	21	10	10	CD
12787	565	22	cc	cc	NN
12787	565	23	.	.	.
12787	566	1	each	each	DT
12787	566	2	time	time	NN
12787	566	3	,	,	,
12787	566	4	and	and	CC
12787	566	5	allowing	allow	VBG
12787	566	6	the	the	DT
12787	566	7	liquid	liquid	NN
12787	566	8	to	to	TO
12787	566	9	run	run	VB
12787	566	10	out	out	RP
12787	566	11	through	through	IN
12787	566	12	the	the	DT
12787	566	13	tip	tip	NN
12787	566	14	to	to	TO
12787	566	15	displace	displace	VB
12787	566	16	all	all	DT
12787	566	17	water	water	NN
12787	566	18	and	and	CC
12787	566	19	air	air	NN
12787	566	20	from	from	IN
12787	566	21	that	that	DT
12787	566	22	part	part	NN
12787	566	23	of	of	IN
12787	566	24	the	the	DT
12787	566	25	burette	burette	NN
12787	566	26	.	.	.
12787	567	1	Then	then	RB
12787	567	2	fill	fill	VB
12787	567	3	the	the	DT
12787	567	4	burette	burette	NN
12787	567	5	with	with	IN
12787	567	6	the	the	DT
12787	567	7	acid	acid	NN
12787	567	8	solution	solution	NN
12787	567	9	.	.	.
12787	568	1	Carry	carry	VB
12787	568	2	out	out	RP
12787	568	3	the	the	DT
12787	568	4	same	same	JJ
12787	568	5	procedure	procedure	NN
12787	568	6	with	with	IN
12787	568	7	a	a	DT
12787	568	8	second	second	JJ
12787	568	9	burette	burette	NN
12787	568	10	,	,	,
12787	568	11	using	use	VBG
12787	568	12	the	the	DT
12787	568	13	sodium	sodium	NN
12787	568	14	hydroxide	hydroxide	NN
12787	568	15	solution	solution	NN
12787	568	16	.	.	.
12787	569	1	The	the	DT
12787	569	2	acid	acid	NN
12787	569	3	solution	solution	NN
12787	569	4	may	may	MD
12787	569	5	be	be	VB
12787	569	6	placed	place	VBN
12787	569	7	in	in	IN
12787	569	8	a	a	DT
12787	569	9	plain	plain	NN
12787	569	10	or	or	CC
12787	569	11	in	in	IN
12787	569	12	a	a	DT
12787	569	13	glass	glass	NN
12787	569	14	-	-	HYPH
12787	569	15	stoppered	stopper	VBN
12787	569	16	burette	burette	NN
12787	569	17	as	as	IN
12787	569	18	may	may	MD
12787	569	19	be	be	VB
12787	569	20	more	more	RBR
12787	569	21	convenient	convenient	JJ
12787	569	22	,	,	,
12787	569	23	but	but	CC
12787	569	24	the	the	DT
12787	569	25	alkaline	alkaline	NN
12787	569	26	solution	solution	NN
12787	569	27	should	should	MD
12787	569	28	never	never	RB
12787	569	29	be	be	VB
12787	569	30	allowed	allow	VBN
12787	569	31	to	to	TO
12787	569	32	remain	remain	VB
12787	569	33	long	long	JJ
12787	569	34	in	in	IN
12787	569	35	a	a	DT
12787	569	36	glass	glass	NN
12787	569	37	-	-	HYPH
12787	569	38	stoppered	stopper	VBN
12787	569	39	burette	burette	NN
12787	569	40	,	,	,
12787	569	41	as	as	IN
12787	569	42	it	-PRON-	PRP
12787	569	43	tends	tend	VBZ
12787	569	44	to	to	TO
12787	569	45	cement	cement	VB
12787	569	46	the	the	DT
12787	569	47	stopper	stopper	NN
12787	569	48	to	to	IN
12787	569	49	the	the	DT
12787	569	50	burette	burette	NN
12787	569	51	,	,	,
12787	569	52	rendering	render	VBG
12787	569	53	it	-PRON-	PRP
12787	569	54	useless	useless	JJ
12787	569	55	.	.	.
12787	570	1	It	-PRON-	PRP
12787	570	2	is	be	VBZ
12787	570	3	preferable	preferable	JJ
12787	570	4	to	to	TO
12787	570	5	use	use	VB
12787	570	6	a	a	DT
12787	570	7	plain	plain	JJ
12787	570	8	burette	burette	NN
12787	570	9	for	for	IN
12787	570	10	this	this	DT
12787	570	11	solution	solution	NN
12787	570	12	.	.	.
12787	571	1	When	when	WRB
12787	571	2	the	the	DT
12787	571	3	burettes	burette	NNS
12787	571	4	are	be	VBP
12787	571	5	ready	ready	JJ
12787	571	6	for	for	IN
12787	571	7	use	use	NN
12787	571	8	and	and	CC
12787	571	9	all	all	DT
12787	571	10	air	air	NN
12787	571	11	bubbles	bubble	NNS
12787	571	12	displaced	displace	VBN
12787	571	13	from	from	IN
12787	571	14	the	the	DT
12787	571	15	tip	tip	NN
12787	571	16	(	(	-LRB-
12787	571	17	see	see	VB
12787	571	18	Note	Note	NNP
12787	571	19	2	2	CD
12787	571	20	,	,	,
12787	571	21	page	page	NN
12787	571	22	17	17	CD
12787	571	23	)	)	-RRB-
12787	571	24	note	note	VB
12787	571	25	the	the	DT
12787	571	26	exact	exact	JJ
12787	571	27	position	position	NN
12787	571	28	of	of	IN
12787	571	29	the	the	DT
12787	571	30	liquid	liquid	NN
12787	571	31	in	in	IN
12787	571	32	each	each	DT
12787	571	33	,	,	,
12787	571	34	and	and	CC
12787	571	35	record	record	VB
12787	571	36	the	the	DT
12787	571	37	readings	reading	NNS
12787	571	38	in	in	IN
12787	571	39	the	the	DT
12787	571	40	notebook	notebook	NN
12787	571	41	.	.	.
12787	572	1	(	(	-LRB-
12787	572	2	Consult	Consult	NNP
12787	572	3	page	page	NN
12787	572	4	188	188	CD
12787	572	5	.	.	.
12787	572	6	)	)	-RRB-
12787	573	1	Run	run	VB
12787	573	2	out	out	RP
12787	573	3	from	from	IN
12787	573	4	the	the	DT
12787	573	5	burette	burette	NN
12787	573	6	into	into	IN
12787	573	7	a	a	DT
12787	573	8	beaker	beaker	NN
12787	573	9	about	about	RB
12787	573	10	40	40	CD
12787	573	11	cc	cc	NN
12787	573	12	.	.	.
12787	574	1	of	of	IN
12787	574	2	the	the	DT
12787	574	3	acid	acid	NN
12787	574	4	and	and	CC
12787	574	5	add	add	VB
12787	574	6	two	two	CD
12787	574	7	drops	drop	NNS
12787	574	8	of	of	IN
12787	574	9	a	a	DT
12787	574	10	solution	solution	NN
12787	574	11	of	of	IN
12787	574	12	methyl	methyl	NN
12787	574	13	orange	orange	NN
12787	574	14	;	;	:
12787	574	15	dilute	dilute	VB
12787	574	16	the	the	DT
12787	574	17	acid	acid	NN
12787	574	18	to	to	IN
12787	574	19	about	about	RB
12787	574	20	80	80	CD
12787	574	21	cc	cc	NN
12787	574	22	.	.	.
12787	575	1	and	and	CC
12787	575	2	run	run	VB
12787	575	3	out	out	RP
12787	575	4	alkali	alkali	JJ
12787	575	5	solution	solution	NN
12787	575	6	from	from	IN
12787	575	7	the	the	DT
12787	575	8	other	other	JJ
12787	575	9	burette	burette	NN
12787	575	10	,	,	,
12787	575	11	stirring	stir	VBG
12787	575	12	constantly	constantly	RB
12787	575	13	,	,	,
12787	575	14	until	until	IN
12787	575	15	the	the	DT
12787	575	16	pink	pink	NN
12787	575	17	has	have	VBZ
12787	575	18	given	give	VBN
12787	575	19	place	place	NN
12787	575	20	to	to	IN
12787	575	21	a	a	DT
12787	575	22	yellow	yellow	NN
12787	575	23	.	.	.
12787	576	1	Wash	wash	VB
12787	576	2	down	down	IN
12787	576	3	the	the	DT
12787	576	4	sides	side	NNS
12787	576	5	of	of	IN
12787	576	6	the	the	DT
12787	576	7	beaker	beaker	NN
12787	576	8	with	with	IN
12787	576	9	a	a	DT
12787	576	10	little	little	JJ
12787	576	11	distilled	distilled	JJ
12787	576	12	water	water	NN
12787	576	13	if	if	IN
12787	576	14	the	the	DT
12787	576	15	solution	solution	NN
12787	576	16	has	have	VBZ
12787	576	17	spattered	spatter	VBN
12787	576	18	upon	upon	IN
12787	576	19	them	-PRON-	PRP
12787	576	20	,	,	,
12787	576	21	return	return	VBP
12787	576	22	the	the	DT
12787	576	23	beaker	beaker	NN
12787	576	24	to	to	IN
12787	576	25	the	the	DT
12787	576	26	acid	acid	JJ
12787	576	27	burette	burette	NN
12787	576	28	,	,	,
12787	576	29	and	and	CC
12787	576	30	add	add	VB
12787	576	31	acid	acid	NN
12787	576	32	to	to	TO
12787	576	33	restore	restore	VB
12787	576	34	the	the	DT
12787	576	35	pink	pink	NN
12787	576	36	;	;	:
12787	576	37	continue	continue	VB
12787	576	38	these	these	DT
12787	576	39	alternations	alternation	NNS
12787	576	40	until	until	IN
12787	576	41	the	the	DT
12787	576	42	point	point	NN
12787	576	43	is	be	VBZ
12787	576	44	accurately	accurately	RB
12787	576	45	fixed	fix	VBN
12787	576	46	at	at	IN
12787	576	47	which	which	WDT
12787	576	48	a	a	DT
12787	576	49	single	single	JJ
12787	576	50	drop	drop	NN
12787	576	51	of	of	IN
12787	576	52	either	either	DT
12787	576	53	solutions	solution	NNS
12787	576	54	served	serve	VBD
12787	576	55	to	to	TO
12787	576	56	produce	produce	VB
12787	576	57	a	a	DT
12787	576	58	distinct	distinct	JJ
12787	576	59	change	change	NN
12787	576	60	of	of	IN
12787	576	61	color	color	NN
12787	576	62	.	.	.
12787	577	1	Select	select	VB
12787	577	2	as	as	IN
12787	577	3	the	the	DT
12787	577	4	final	final	JJ
12787	577	5	end	end	NN
12787	577	6	-	-	HYPH
12787	577	7	point	point	NN
12787	577	8	the	the	DT
12787	577	9	appearance	appearance	NN
12787	577	10	of	of	IN
12787	577	11	the	the	DT
12787	577	12	faintest	faint	JJS
12787	577	13	pink	pink	JJ
12787	577	14	tinge	tinge	NN
12787	577	15	which	which	WDT
12787	577	16	can	can	MD
12787	577	17	be	be	VB
12787	577	18	recognized	recognize	VBN
12787	577	19	,	,	,
12787	577	20	or	or	CC
12787	577	21	the	the	DT
12787	577	22	disappearance	disappearance	NN
12787	577	23	of	of	IN
12787	577	24	this	this	DT
12787	577	25	tinge	tinge	NN
12787	577	26	,	,	,
12787	577	27	leaving	leave	VBG
12787	577	28	a	a	DT
12787	577	29	pure	pure	JJ
12787	577	30	yellow	yellow	NN
12787	577	31	;	;	:
12787	577	32	but	but	CC
12787	577	33	always	always	RB
12787	577	34	titrate	titrate	VB
12787	577	35	to	to	IN
12787	577	36	the	the	DT
12787	577	37	same	same	JJ
12787	577	38	point	point	NN
12787	577	39	(	(	-LRB-
12787	577	40	Note	note	NN
12787	577	41	1	1	CD
12787	577	42	)	)	-RRB-
12787	577	43	.	.	.
12787	578	1	If	if	IN
12787	578	2	the	the	DT
12787	578	3	titration	titration	NN
12787	578	4	has	have	VBZ
12787	578	5	occupied	occupy	VBN
12787	578	6	more	more	JJR
12787	578	7	than	than	IN
12787	578	8	the	the	DT
12787	578	9	three	three	CD
12787	578	10	minutes	minute	NNS
12787	578	11	required	require	VBN
12787	578	12	for	for	IN
12787	578	13	draining	drain	VBG
12787	578	14	the	the	DT
12787	578	15	sides	side	NNS
12787	578	16	of	of	IN
12787	578	17	the	the	DT
12787	578	18	burette	burette	NN
12787	578	19	,	,	,
12787	578	20	the	the	DT
12787	578	21	final	final	JJ
12787	578	22	reading	reading	NN
12787	578	23	may	may	MD
12787	578	24	be	be	VB
12787	578	25	taken	take	VBN
12787	578	26	immediately	immediately	RB
12787	578	27	and	and	CC
12787	578	28	recorded	record	VBN
12787	578	29	in	in	IN
12787	578	30	the	the	DT
12787	578	31	notebook	notebook	NN
12787	578	32	.	.	.
12787	579	1	Refill	refill	VB
12787	579	2	the	the	DT
12787	579	3	burettes	burette	NNS
12787	579	4	and	and	CC
12787	579	5	repeat	repeat	VB
12787	579	6	the	the	DT
12787	579	7	titration	titration	NN
12787	579	8	.	.	.
12787	580	1	From	from	IN
12787	580	2	the	the	DT
12787	580	3	records	record	NNS
12787	580	4	of	of	IN
12787	580	5	calibration	calibration	NN
12787	580	6	already	already	RB
12787	580	7	obtained	obtain	VBN
12787	580	8	,	,	,
12787	580	9	correct	correct	VB
12787	580	10	the	the	DT
12787	580	11	burette	burette	NN
12787	580	12	readings	reading	NNS
12787	580	13	and	and	CC
12787	580	14	make	make	VB
12787	580	15	corrections	correction	NNS
12787	580	16	for	for	IN
12787	580	17	temperature	temperature	NN
12787	580	18	,	,	,
12787	580	19	if	if	IN
12787	580	20	necessary	necessary	JJ
12787	580	21	.	.	.
12787	581	1	Obtain	obtain	VB
12787	581	2	the	the	DT
12787	581	3	ratio	ratio	NN
12787	581	4	of	of	IN
12787	581	5	the	the	DT
12787	581	6	sodium	sodium	NN
12787	581	7	hydroxide	hydroxide	NN
12787	581	8	solution	solution	NN
12787	581	9	to	to	IN
12787	581	10	that	that	DT
12787	581	11	of	of	IN
12787	581	12	hydrochloric	hydrochloric	JJ
12787	581	13	acid	acid	NN
12787	581	14	by	by	IN
12787	581	15	dividing	divide	VBG
12787	581	16	the	the	DT
12787	581	17	number	number	NN
12787	581	18	of	of	IN
12787	581	19	cubic	cubic	JJ
12787	581	20	centimeters	centimeter	NNS
12787	581	21	of	of	IN
12787	581	22	acid	acid	NN
12787	581	23	used	use	VBN
12787	581	24	by	by	IN
12787	581	25	the	the	DT
12787	581	26	number	number	NN
12787	581	27	of	of	IN
12787	581	28	cubic	cubic	JJ
12787	581	29	centimeters	centimeter	NNS
12787	581	30	of	of	IN
12787	581	31	alkali	alkali	JJ
12787	581	32	required	require	VBN
12787	581	33	for	for	IN
12787	581	34	neutralization	neutralization	NN
12787	581	35	.	.	.
12787	582	1	The	the	DT
12787	582	2	check	check	NN
12787	582	3	results	result	NNS
12787	582	4	of	of	IN
12787	582	5	the	the	DT
12787	582	6	two	two	CD
12787	582	7	titrations	titration	NNS
12787	582	8	should	should	MD
12787	582	9	not	not	RB
12787	582	10	vary	vary	VB
12787	582	11	by	by	IN
12787	582	12	more	more	JJR
12787	582	13	than	than	IN
12787	582	14	two	two	CD
12787	582	15	parts	part	NNS
12787	582	16	in	in	IN
12787	582	17	one	one	CD
12787	582	18	thousand	thousand	CD
12787	582	19	(	(	-LRB-
12787	582	20	Note	note	NN
12787	582	21	2	2	CD
12787	582	22	)	)	-RRB-
12787	582	23	.	.	.
12787	583	1	If	if	IN
12787	583	2	the	the	DT
12787	583	3	variation	variation	NN
12787	583	4	in	in	IN
12787	583	5	results	result	NNS
12787	583	6	is	be	VBZ
12787	583	7	greater	great	JJR
12787	583	8	than	than	IN
12787	583	9	this	this	DT
12787	583	10	,	,	,
12787	583	11	refill	refill	VB
12787	583	12	the	the	DT
12787	583	13	burettes	burette	NNS
12787	583	14	and	and	CC
12787	583	15	repeat	repeat	VB
12787	583	16	the	the	DT
12787	583	17	titration	titration	NN
12787	583	18	until	until	IN
12787	583	19	satisfactory	satisfactory	JJ
12787	583	20	values	value	NNS
12787	583	21	are	be	VBP
12787	583	22	obtained	obtain	VBN
12787	583	23	.	.	.
12787	584	1	Use	use	VB
12787	584	2	a	a	DT
12787	584	3	new	new	JJ
12787	584	4	page	page	NN
12787	584	5	in	in	IN
12787	584	6	the	the	DT
12787	584	7	notebook	notebook	NN
12787	584	8	for	for	IN
12787	584	9	each	each	DT
12787	584	10	titration	titration	NN
12787	584	11	.	.	.
12787	585	1	Inaccurate	inaccurate	JJ
12787	585	2	values	value	NNS
12787	585	3	should	should	MD
12787	585	4	not	not	RB
12787	585	5	be	be	VB
12787	585	6	erased	erase	VBN
12787	585	7	or	or	CC
12787	585	8	discarded	discard	VBN
12787	585	9	.	.	.
12787	586	1	They	-PRON-	PRP
12787	586	2	should	should	MD
12787	586	3	be	be	VB
12787	586	4	retained	retain	VBN
12787	586	5	and	and	CC
12787	586	6	marked	mark	VBN
12787	586	7	"	"	``
12787	586	8	correct	correct	JJ
12787	586	9	"	"	''
12787	586	10	or	or	CC
12787	586	11	"	"	``
12787	586	12	incorrect	incorrect	JJ
12787	586	13	,	,	,
12787	586	14	"	"	''
12787	586	15	as	as	IN
12787	586	16	indicated	indicate	VBN
12787	586	17	by	by	IN
12787	586	18	the	the	DT
12787	586	19	final	final	JJ
12787	586	20	outcome	outcome	NN
12787	586	21	of	of	IN
12787	586	22	the	the	DT
12787	586	23	titrations	titration	NNS
12787	586	24	.	.	.
12787	587	1	This	this	DT
12787	587	2	custom	custom	NN
12787	587	3	should	should	MD
12787	587	4	be	be	VB
12787	587	5	rigidly	rigidly	RB
12787	587	6	followed	follow	VBN
12787	587	7	in	in	IN
12787	587	8	all	all	DT
12787	587	9	analytical	analytical	JJ
12787	587	10	work	work	NN
12787	587	11	.	.	.
12787	588	1	[	[	-LRB-
12787	588	2	Note	note	NN
12787	588	3	1	1	CD
12787	588	4	:	:	:
12787	588	5	The	the	DT
12787	588	6	end	end	NN
12787	588	7	-	-	HYPH
12787	588	8	point	point	NN
12787	588	9	should	should	MD
12787	588	10	be	be	VB
12787	588	11	chosen	choose	VBN
12787	588	12	exactly	exactly	RB
12787	588	13	at	at	IN
12787	588	14	the	the	DT
12787	588	15	point	point	NN
12787	588	16	of	of	IN
12787	588	17	change	change	NN
12787	588	18	;	;	:
12787	588	19	any	any	DT
12787	588	20	darker	dark	JJR
12787	588	21	tint	tint	NN
12787	588	22	is	be	VBZ
12787	588	23	unsatisfactory	unsatisfactory	JJ
12787	588	24	,	,	,
12787	588	25	since	since	IN
12787	588	26	it	-PRON-	PRP
12787	588	27	is	be	VBZ
12787	588	28	impossible	impossible	JJ
12787	588	29	to	to	TO
12787	588	30	carry	carry	VB
12787	588	31	shades	shade	NNS
12787	588	32	of	of	IN
12787	588	33	color	color	NN
12787	588	34	in	in	IN
12787	588	35	the	the	DT
12787	588	36	memory	memory	NN
12787	588	37	and	and	CC
12787	588	38	to	to	TO
12787	588	39	duplicate	duplicate	VB
12787	588	40	them	-PRON-	PRP
12787	588	41	from	from	IN
12787	588	42	day	day	NN
12787	588	43	to	to	IN
12787	588	44	day	day	NN
12787	588	45	.	.	.
12787	588	46	]	]	-RRB-
12787	589	1	[	[	-LRB-
12787	589	2	Note	note	NN
12787	589	3	2	2	CD
12787	589	4	:	:	:
12787	589	5	While	while	IN
12787	589	6	variation	variation	NN
12787	589	7	of	of	IN
12787	589	8	two	two	CD
12787	589	9	parts	part	NNS
12787	589	10	in	in	IN
12787	589	11	one	one	CD
12787	589	12	thousand	thousand	CD
12787	589	13	in	in	IN
12787	589	14	the	the	DT
12787	589	15	values	value	NNS
12787	589	16	obtained	obtain	VBN
12787	589	17	by	by	IN
12787	589	18	an	an	DT
12787	589	19	inexperienced	inexperienced	JJ
12787	589	20	analyst	analyst	NN
12787	589	21	is	be	VBZ
12787	589	22	not	not	RB
12787	589	23	excessive	excessive	JJ
12787	589	24	,	,	,
12787	589	25	the	the	DT
12787	589	26	idea	idea	NN
12787	589	27	must	must	MD
12787	589	28	be	be	VB
12787	589	29	carefully	carefully	RB
12787	589	30	avoided	avoid	VBN
12787	589	31	that	that	IN
12787	589	32	this	this	DT
12787	589	33	is	be	VBZ
12787	589	34	a	a	DT
12787	589	35	standard	standard	NN
12787	589	36	for	for	IN
12787	589	37	accurate	accurate	JJ
12787	589	38	work	work	NN
12787	589	39	to	to	TO
12787	589	40	be	be	VB
12787	589	41	!	!	.
12787	589	42	generally	generally	RB
12787	589	43	applied	apply	VBN
12787	589	44	!	!	.
12787	589	45	.	.	.
12787	590	1	In	in	IN
12787	590	2	many	many	JJ
12787	590	3	cases	case	NNS
12787	590	4	,	,	,
12787	590	5	after	after	IN
12787	590	6	experience	experience	NN
12787	590	7	is	be	VBZ
12787	590	8	gained	gain	VBN
12787	590	9	,	,	,
12787	590	10	the	the	DT
12787	590	11	allowable	allowable	JJ
12787	590	12	error	error	NN
12787	590	13	is	be	VBZ
12787	590	14	less	less	JJR
12787	590	15	than	than	IN
12787	590	16	this	this	DT
12787	590	17	proportion	proportion	NN
12787	590	18	.	.	.
12787	591	1	In	in	IN
12787	591	2	a	a	DT
12787	591	3	few	few	JJ
12787	591	4	cases	case	NNS
12787	591	5	a	a	DT
12787	591	6	larger	large	JJR
12787	591	7	variation	variation	NN
12787	591	8	is	be	VBZ
12787	591	9	permissible	permissible	JJ
12787	591	10	,	,	,
12787	591	11	but	but	CC
12787	591	12	these	these	DT
12787	591	13	are	be	VBP
12787	591	14	rare	rare	JJ
12787	591	15	and	and	CC
12787	591	16	can	can	MD
12787	591	17	only	only	RB
12787	591	18	be	be	VB
12787	591	19	recognized	recognize	VBN
12787	591	20	by	by	IN
12787	591	21	an	an	DT
12787	591	22	experienced	experienced	JJ
12787	591	23	analyst	analyst	NN
12787	591	24	.	.	.
12787	592	1	It	-PRON-	PRP
12787	592	2	is	be	VBZ
12787	592	3	essential	essential	JJ
12787	592	4	that	that	IN
12787	592	5	the	the	DT
12787	592	6	beginner	beginner	NN
12787	592	7	should	should	MD
12787	592	8	acquire	acquire	VB
12787	592	9	at	at	IN
12787	592	10	least	least	JJS
12787	592	11	the	the	DT
12787	592	12	degree	degree	NN
12787	592	13	of	of	IN
12787	592	14	accuracy	accuracy	NN
12787	592	15	indicated	indicate	VBD
12787	592	16	if	if	IN
12787	592	17	he	-PRON-	PRP
12787	592	18	is	be	VBZ
12787	592	19	to	to	TO
12787	592	20	become	become	VB
12787	592	21	a	a	DT
12787	592	22	successful	successful	JJ
12787	592	23	analyst	analyst	NN
12787	592	24	.	.	.
12787	592	25	]	]	-RRB-
12787	593	1	STANDARDIZATION	STANDARDIZATION	VBN
12787	593	2	OF	of	IN
12787	593	3	HYDROCHLORIC	HYDROCHLORIC	NNP
12787	593	4	ACID	ACID	NNP
12787	593	5	SELECTION	selection	NN
12787	593	6	AND	and	CC
12787	593	7	PREPARATION	preparation	NN
12787	593	8	OF	of	IN
12787	593	9	STANDARD	standard	NN
12787	593	10	The	the	DT
12787	593	11	selection	selection	NN
12787	593	12	of	of	IN
12787	593	13	the	the	DT
12787	593	14	best	good	JJS
12787	593	15	substance	substance	NN
12787	593	16	to	to	TO
12787	593	17	be	be	VB
12787	593	18	used	use	VBN
12787	593	19	as	as	IN
12787	593	20	a	a	DT
12787	593	21	standard	standard	NN
12787	593	22	for	for	IN
12787	593	23	acid	acid	JJ
12787	593	24	solutions	solution	NNS
12787	593	25	has	have	VBZ
12787	593	26	been	be	VBN
12787	593	27	the	the	DT
12787	593	28	subject	subject	NN
12787	593	29	of	of	IN
12787	593	30	much	much	JJ
12787	593	31	controversy	controversy	NN
12787	593	32	.	.	.
12787	594	1	The	the	DT
12787	594	2	work	work	NN
12787	594	3	of	of	IN
12787	594	4	Lunge	Lunge	NNP
12787	594	5	(	(	-LRB-
12787	594	6	!	!	.
12787	594	7	Ztschr	Ztschr	NNP
12787	594	8	.	.	.
12787	595	1	angew	angew	NNP
12787	595	2	.	.	.
12787	596	1	Chem	Chem	NNP
12787	596	2	.	.	.
12787	596	3	!	!	.
12787	597	1	(	(	-LRB-
12787	597	2	1904	1904	CD
12787	597	3	)	)	-RRB-
12787	597	4	,	,	,
12787	597	5	8	8	CD
12787	597	6	,	,	,
12787	597	7	231	231	CD
12787	597	8	)	)	-RRB-
12787	597	9	,	,	,
12787	597	10	Ferguson	Ferguson	NNP
12787	597	11	(	(	-LRB-
12787	597	12	!	!	.
12787	597	13	J.	J.	NNP
12787	598	1	Soc	Soc	NNP
12787	598	2	.	.	.
12787	599	1	Chem	Chem	NNP
12787	599	2	.	.	.
12787	600	1	Ind.	Indiana	NNP
12787	600	2	!	!	.
12787	601	1	(	(	-LRB-
12787	601	2	1905	1905	CD
12787	601	3	)	)	-RRB-
12787	601	4	,	,	,
12787	601	5	24	24	CD
12787	601	6	,	,	,
12787	601	7	784	784	CD
12787	601	8	)	)	-RRB-
12787	601	9	,	,	,
12787	601	10	and	and	CC
12787	601	11	others	other	NNS
12787	601	12	,	,	,
12787	601	13	seems	seem	VBZ
12787	601	14	to	to	TO
12787	601	15	indicate	indicate	VB
12787	601	16	that	that	IN
12787	601	17	the	the	DT
12787	601	18	best	good	JJS
12787	601	19	standard	standard	NN
12787	601	20	is	be	VBZ
12787	601	21	sodium	sodium	NN
12787	601	22	carbonate	carbonate	NN
12787	601	23	prepared	prepare	VBN
12787	601	24	from	from	IN
12787	601	25	sodium	sodium	NN
12787	601	26	bicarbonate	bicarbonate	NN
12787	601	27	by	by	IN
12787	601	28	heating	heat	VBG
12787	601	29	the	the	DT
12787	601	30	latter	latter	JJ
12787	601	31	at	at	IN
12787	601	32	temperature	temperature	NN
12787	601	33	between	between	IN
12787	601	34	270Â	270â	CD
12787	601	35	°	°	NNS
12787	601	36	and	and	CC
12787	601	37	300Â	300â	CD
12787	601	38	°	°	,
12787	601	39	C	C	NNP
12787	601	40	.	.	.
12787	602	1	The	the	DT
12787	602	2	bicarbonate	bicarbonate	NN
12787	602	3	is	be	VBZ
12787	602	4	easily	easily	RB
12787	602	5	prepared	prepare	VBN
12787	602	6	in	in	IN
12787	602	7	a	a	DT
12787	602	8	pure	pure	JJ
12787	602	9	state	state	NN
12787	602	10	,	,	,
12787	602	11	and	and	CC
12787	602	12	at	at	IN
12787	602	13	the	the	DT
12787	602	14	temperatures	temperature	NNS
12787	602	15	named	name	VBD
12787	602	16	the	the	DT
12787	602	17	decomposition	decomposition	NN
12787	602	18	takes	take	VBZ
12787	602	19	place	place	NN
12787	602	20	according	accord	VBG
12787	602	21	to	to	IN
12787	602	22	the	the	DT
12787	602	23	equation	equation	NN
12787	602	24	2HNaCO_{3	2hnaco_{3	CD
12787	602	25	}	}	-RRB-
12787	602	26	--	--	:
12787	602	27	>	>	XX
12787	602	28	Na_{2}CO_{3	Na_{2}CO_{3	NNP
12787	602	29	}	}	-RRB-
12787	602	30	+	+	CC
12787	602	31	H_{2}O	h_{2}o	NN
12787	602	32	+	+	SYM
12787	602	33	CO_{2	CO_{2	NNP
12787	602	34	}	}	-RRB-
12787	602	35	and	and	CC
12787	602	36	without	without	IN
12787	602	37	loss	loss	NN
12787	602	38	of	of	IN
12787	602	39	any	any	DT
12787	602	40	carbon	carbon	NN
12787	602	41	dioxide	dioxide	NN
12787	602	42	from	from	IN
12787	602	43	the	the	DT
12787	602	44	sodium	sodium	NN
12787	602	45	carbonate	carbonate	NN
12787	602	46	,	,	,
12787	602	47	such	such	JJ
12787	602	48	as	as	IN
12787	602	49	may	may	MD
12787	602	50	occur	occur	VB
12787	602	51	at	at	IN
12787	602	52	higher	high	JJR
12787	602	53	temperatures	temperature	NNS
12787	602	54	.	.	.
12787	603	1	The	the	DT
12787	603	2	process	process	NN
12787	603	3	is	be	VBZ
12787	603	4	carried	carry	VBN
12787	603	5	out	out	RP
12787	603	6	as	as	IN
12787	603	7	described	describe	VBN
12787	603	8	below	below	RB
12787	603	9	.	.	.
12787	604	1	PROCEDURE.--Place	procedure.--place	NN
12787	604	2	in	in	IN
12787	604	3	a	a	DT
12787	604	4	porcelain	porcelain	NN
12787	604	5	crucible	crucible	JJ
12787	604	6	about	about	RB
12787	604	7	6	6	CD
12787	604	8	grams	gram	NNS
12787	604	9	(	(	-LRB-
12787	604	10	roughly	roughly	RB
12787	604	11	weighed	weigh	VBN
12787	604	12	)	)	-RRB-
12787	604	13	of	of	IN
12787	604	14	the	the	DT
12787	604	15	purest	pure	JJS
12787	604	16	sodium	sodium	NN
12787	604	17	bicarbonate	bicarbonate	NN
12787	604	18	obtainable	obtainable	JJ
12787	604	19	.	.	.
12787	605	1	Rest	rest	VB
12787	605	2	the	the	DT
12787	605	3	crucible	crucible	NN
12787	605	4	upon	upon	IN
12787	605	5	a	a	DT
12787	605	6	triangle	triangle	NN
12787	605	7	of	of	IN
12787	605	8	iron	iron	NN
12787	605	9	or	or	CC
12787	605	10	copper	copper	NN
12787	605	11	wire	wire	NN
12787	605	12	so	so	RB
12787	605	13	placed	place	VBN
12787	605	14	within	within	IN
12787	605	15	a	a	DT
12787	605	16	large	large	JJ
12787	605	17	crucible	crucible	NN
12787	605	18	that	that	IN
12787	605	19	there	there	EX
12787	605	20	is	be	VBZ
12787	605	21	an	an	DT
12787	605	22	open	open	JJ
12787	605	23	air	air	NN
12787	605	24	space	space	NN
12787	605	25	of	of	IN
12787	605	26	about	about	RB
12787	605	27	three	three	CD
12787	605	28	eighths	eighth	NNS
12787	605	29	of	of	IN
12787	605	30	an	an	DT
12787	605	31	inch	inch	NN
12787	605	32	between	between	IN
12787	605	33	them	-PRON-	PRP
12787	605	34	.	.	.
12787	606	1	The	the	DT
12787	606	2	larger	large	JJR
12787	606	3	crucible	crucible	NN
12787	606	4	may	may	MD
12787	606	5	be	be	VB
12787	606	6	of	of	IN
12787	606	7	iron	iron	NN
12787	606	8	,	,	,
12787	606	9	nickel	nickel	NN
12787	606	10	or	or	CC
12787	606	11	porcelain	porcelain	NN
12787	606	12	,	,	,
12787	606	13	as	as	IN
12787	606	14	may	may	MD
12787	606	15	be	be	VB
12787	606	16	most	most	RBS
12787	606	17	convenient	convenient	JJ
12787	606	18	.	.	.
12787	607	1	Insert	insert	VB
12787	607	2	the	the	DT
12787	607	3	bulb	bulb	NN
12787	607	4	of	of	IN
12787	607	5	a	a	DT
12787	607	6	thermometer	thermometer	NN
12787	607	7	reading	read	VBG
12787	607	8	to	to	IN
12787	607	9	350Â	350â	CD
12787	607	10	°	°	NNS
12787	607	11	C	C	NNP
12787	607	12	.	.	.
12787	608	1	in	in	IN
12787	608	2	the	the	DT
12787	608	3	bicarbonate	bicarbonate	NN
12787	608	4	,	,	,
12787	608	5	supporting	support	VBG
12787	608	6	it	-PRON-	PRP
12787	608	7	with	with	IN
12787	608	8	a	a	DT
12787	608	9	clamp	clamp	NN
12787	608	10	so	so	IN
12787	608	11	that	that	IN
12787	608	12	the	the	DT
12787	608	13	bulb	bulb	NN
12787	608	14	does	do	VBZ
12787	608	15	not	not	RB
12787	608	16	rest	rest	VB
12787	608	17	on	on	IN
12787	608	18	the	the	DT
12787	608	19	bottom	bottom	NN
12787	608	20	of	of	IN
12787	608	21	the	the	DT
12787	608	22	crucible	crucible	NN
12787	608	23	.	.	.
12787	609	1	Heat	heat	VB
12787	609	2	the	the	DT
12787	609	3	outside	outside	NN
12787	609	4	crucible	crucible	NN
12787	609	5	,	,	,
12787	609	6	using	use	VBG
12787	609	7	a	a	DT
12787	609	8	rather	rather	RB
12787	609	9	small	small	JJ
12787	609	10	flame	flame	NN
12787	609	11	,	,	,
12787	609	12	and	and	CC
12787	609	13	raise	raise	VB
12787	609	14	the	the	DT
12787	609	15	temperature	temperature	NN
12787	609	16	of	of	IN
12787	609	17	the	the	DT
12787	609	18	bicarbonate	bicarbonate	NN
12787	609	19	fairly	fairly	RB
12787	609	20	rapidly	rapidly	RB
12787	609	21	to	to	IN
12787	609	22	270Â	270â	CD
12787	609	23	°	°	,
12787	609	24	C	C	NNP
12787	609	25	.	.	.
12787	610	1	Then	then	RB
12787	610	2	regulate	regulate	VB
12787	610	3	the	the	DT
12787	610	4	heat	heat	NN
12787	610	5	in	in	IN
12787	610	6	such	such	PDT
12787	610	7	a	a	DT
12787	610	8	way	way	NN
12787	610	9	that	that	WDT
12787	610	10	the	the	DT
12787	610	11	temperature	temperature	NN
12787	610	12	rises	rise	VBZ
12787	610	13	!	!	.
12787	610	14	slowly	slowly	RB
12787	610	15	!	!	.
12787	611	1	to	to	IN
12787	611	2	300Â	300â	CD
12787	611	3	°	°	,
12787	611	4	C	C	NNP
12787	611	5	.	.	.
12787	612	1	in	in	IN
12787	612	2	the	the	DT
12787	612	3	course	course	NN
12787	612	4	of	of	IN
12787	612	5	a	a	DT
12787	612	6	half	half	JJ
12787	612	7	-	-	HYPH
12787	612	8	hour	hour	NN
12787	612	9	.	.	.
12787	613	1	The	the	DT
12787	613	2	bicarbonate	bicarbonate	NN
12787	613	3	should	should	MD
12787	613	4	be	be	VB
12787	613	5	frequently	frequently	RB
12787	613	6	stirred	stir	VBN
12787	613	7	with	with	IN
12787	613	8	a	a	DT
12787	613	9	clean	clean	JJ
12787	613	10	,	,	,
12787	613	11	dry	dry	JJ
12787	613	12	,	,	,
12787	613	13	glass	glass	NN
12787	613	14	rod	rod	NN
12787	613	15	,	,	,
12787	613	16	and	and	CC
12787	613	17	after	after	IN
12787	613	18	stirring	stir	VBG
12787	613	19	,	,	,
12787	613	20	should	should	MD
12787	613	21	be	be	VB
12787	613	22	heaped	heap	VBN
12787	613	23	up	up	RP
12787	613	24	around	around	IN
12787	613	25	the	the	DT
12787	613	26	bulb	bulb	NN
12787	613	27	of	of	IN
12787	613	28	the	the	DT
12787	613	29	thermometer	thermometer	NN
12787	613	30	in	in	IN
12787	613	31	such	such	PDT
12787	613	32	a	a	DT
12787	613	33	way	way	NN
12787	613	34	as	as	IN
12787	613	35	to	to	TO
12787	613	36	cover	cover	VB
12787	613	37	it	-PRON-	PRP
12787	613	38	.	.	.
12787	614	1	This	this	DT
12787	614	2	will	will	MD
12787	614	3	require	require	VB
12787	614	4	attention	attention	NN
12787	614	5	during	during	IN
12787	614	6	most	most	JJS
12787	614	7	of	of	IN
12787	614	8	the	the	DT
12787	614	9	heating	heating	NN
12787	614	10	,	,	,
12787	614	11	as	as	IN
12787	614	12	the	the	DT
12787	614	13	temperature	temperature	NN
12787	614	14	should	should	MD
12787	614	15	not	not	RB
12787	614	16	be	be	VB
12787	614	17	permitted	permit	VBN
12787	614	18	to	to	TO
12787	614	19	rise	rise	VB
12787	614	20	above	above	IN
12787	614	21	310Â	310Â	NNP
12787	614	22	°	°	,
12787	614	23	C	c	NN
12787	614	24	.	.	.
12787	615	1	for	for	IN
12787	615	2	any	any	DT
12787	615	3	length	length	NN
12787	615	4	of	of	IN
12787	615	5	time	time	NN
12787	615	6	.	.	.
12787	616	1	At	at	IN
12787	616	2	the	the	DT
12787	616	3	end	end	NN
12787	616	4	of	of	IN
12787	616	5	the	the	DT
12787	616	6	half	half	JJ
12787	616	7	-	-	HYPH
12787	616	8	hour	hour	NN
12787	616	9	remove	remove	VB
12787	616	10	the	the	DT
12787	616	11	thermometer	thermometer	NN
12787	616	12	and	and	CC
12787	616	13	transfer	transfer	VB
12787	616	14	the	the	DT
12787	616	15	porcelain	porcelain	NN
12787	616	16	crucible	crucible	JJ
12787	616	17	,	,	,
12787	616	18	which	which	WDT
12787	616	19	now	now	RB
12787	616	20	contains	contain	VBZ
12787	616	21	sodium	sodium	NN
12787	616	22	carbonate	carbonate	NN
12787	616	23	,	,	,
12787	616	24	to	to	IN
12787	616	25	a	a	DT
12787	616	26	desiccator	desiccator	NN
12787	616	27	.	.	.
12787	617	1	When	when	WRB
12787	617	2	it	-PRON-	PRP
12787	617	3	is	be	VBZ
12787	617	4	cold	cold	JJ
12787	617	5	,	,	,
12787	617	6	transfer	transfer	VB
12787	617	7	the	the	DT
12787	617	8	carbonate	carbonate	NN
12787	617	9	to	to	IN
12787	617	10	a	a	DT
12787	617	11	stoppered	stopper	VBN
12787	617	12	weighing	weigh	VBG
12787	617	13	tube	tube	NN
12787	617	14	or	or	CC
12787	617	15	weighing	weighing	NN
12787	617	16	-	-	HYPH
12787	617	17	bottle	bottle	NN
12787	617	18	.	.	.
12787	618	1	STANDARDIZATION	STANDARDIZATION	VBN
12787	618	2	PROCEDURE.--Clean	PROCEDURE.--Clean	VBD
12787	618	3	carefully	carefully	RB
12787	618	4	the	the	DT
12787	618	5	outside	outside	NN
12787	618	6	of	of	IN
12787	618	7	a	a	DT
12787	618	8	weighing	weigh	VBG
12787	618	9	-	-	HYPH
12787	618	10	tube	tube	NN
12787	618	11	,	,	,
12787	618	12	or	or	CC
12787	618	13	weighing	weighing	NN
12787	618	14	-	-	HYPH
12787	618	15	bottle	bottle	NN
12787	618	16	,	,	,
12787	618	17	containing	contain	VBG
12787	618	18	the	the	DT
12787	618	19	pure	pure	JJ
12787	618	20	sodium	sodium	NN
12787	618	21	carbonate	carbonate	NN
12787	618	22	,	,	,
12787	618	23	taking	take	VBG
12787	618	24	care	care	NN
12787	618	25	to	to	TO
12787	618	26	handle	handle	VB
12787	618	27	it	-PRON-	PRP
12787	618	28	as	as	RB
12787	618	29	little	little	JJ
12787	618	30	as	as	IN
12787	618	31	possible	possible	JJ
12787	618	32	after	after	IN
12787	618	33	wiping	wipe	VBG
12787	618	34	.	.	.
12787	619	1	Weigh	weigh	VB
12787	619	2	the	the	DT
12787	619	3	tube	tube	NN
12787	619	4	accurately	accurately	RB
12787	619	5	to	to	IN
12787	619	6	0.0001	0.0001	CD
12787	619	7	gram	gram	NN
12787	619	8	,	,	,
12787	619	9	and	and	CC
12787	619	10	record	record	VB
12787	619	11	the	the	DT
12787	619	12	weight	weight	NN
12787	619	13	in	in	IN
12787	619	14	the	the	DT
12787	619	15	notebook	notebook	NN
12787	619	16	.	.	.
12787	620	1	Hold	hold	VB
12787	620	2	the	the	DT
12787	620	3	tube	tube	NN
12787	620	4	over	over	IN
12787	620	5	the	the	DT
12787	620	6	top	top	NN
12787	620	7	of	of	IN
12787	620	8	a	a	DT
12787	620	9	beaker	beaker	NN
12787	620	10	(	(	-LRB-
12787	620	11	200	200	CD
12787	620	12	-	-	SYM
12787	620	13	300	300	CD
12787	620	14	cc	cc	NNP
12787	620	15	.	.	.
12787	620	16	)	)	-RRB-
12787	621	1	and	and	CC
12787	621	2	cautiously	cautiously	RB
12787	621	3	remove	remove	VB
12787	621	4	the	the	DT
12787	621	5	stopper	stopper	NN
12787	621	6	,	,	,
12787	621	7	making	make	VBG
12787	621	8	sure	sure	JJ
12787	621	9	that	that	IN
12787	621	10	no	no	DT
12787	621	11	particles	particle	NNS
12787	621	12	fall	fall	VBP
12787	621	13	from	from	IN
12787	621	14	it	-PRON-	PRP
12787	621	15	or	or	CC
12787	621	16	from	from	IN
12787	621	17	the	the	DT
12787	621	18	tube	tube	NN
12787	621	19	elsewhere	elsewhere	RB
12787	621	20	than	than	IN
12787	621	21	in	in	IN
12787	621	22	the	the	DT
12787	621	23	beaker	beaker	NN
12787	621	24	.	.	.
12787	622	1	Pour	pour	VB
12787	622	2	out	out	RP
12787	622	3	from	from	IN
12787	622	4	the	the	DT
12787	622	5	tube	tube	NN
12787	622	6	a	a	DT
12787	622	7	portion	portion	NN
12787	622	8	of	of	IN
12787	622	9	the	the	DT
12787	622	10	carbonate	carbonate	NN
12787	622	11	,	,	,
12787	622	12	replace	replace	VB
12787	622	13	the	the	DT
12787	622	14	stopper	stopper	NN
12787	622	15	and	and	CC
12787	622	16	determine	determine	VB
12787	622	17	approximately	approximately	RB
12787	622	18	how	how	WRB
12787	622	19	much	much	JJ
12787	622	20	has	have	VBZ
12787	622	21	been	be	VBN
12787	622	22	removed	remove	VBN
12787	622	23	.	.	.
12787	623	1	Continue	continue	VB
12787	623	2	this	this	DT
12787	623	3	procedure	procedure	NN
12787	623	4	until	until	IN
12787	623	5	1.00	1.00	CD
12787	623	6	to	to	TO
12787	623	7	1.10	1.10	CD
12787	623	8	grams	gram	NNS
12787	623	9	has	have	VBZ
12787	623	10	been	be	VBN
12787	623	11	taken	take	VBN
12787	623	12	from	from	IN
12787	623	13	the	the	DT
12787	623	14	tube	tube	NN
12787	623	15	.	.	.
12787	624	1	Then	then	RB
12787	624	2	weigh	weigh	VB
12787	624	3	the	the	DT
12787	624	4	tube	tube	NN
12787	624	5	accurately	accurately	RB
12787	624	6	and	and	CC
12787	624	7	record	record	VB
12787	624	8	the	the	DT
12787	624	9	weight	weight	NN
12787	624	10	under	under	IN
12787	624	11	the	the	DT
12787	624	12	first	first	JJ
12787	624	13	weight	weight	NN
12787	624	14	in	in	IN
12787	624	15	the	the	DT
12787	624	16	notebook	notebook	NN
12787	624	17	.	.	.
12787	625	1	The	the	DT
12787	625	2	difference	difference	NN
12787	625	3	in	in	IN
12787	625	4	the	the	DT
12787	625	5	two	two	CD
12787	625	6	weights	weight	NNS
12787	625	7	is	be	VBZ
12787	625	8	the	the	DT
12787	625	9	weight	weight	NN
12787	625	10	of	of	IN
12787	625	11	the	the	DT
12787	625	12	carbonate	carbonate	NN
12787	625	13	transferred	transfer	VBN
12787	625	14	to	to	IN
12787	625	15	the	the	DT
12787	625	16	beaker	beaker	NN
12787	625	17	.	.	.
12787	626	1	Proceed	proceed	VB
12787	626	2	in	in	IN
12787	626	3	the	the	DT
12787	626	4	same	same	JJ
12787	626	5	way	way	NN
12787	626	6	to	to	TO
12787	626	7	transfer	transfer	VB
12787	626	8	a	a	DT
12787	626	9	second	second	JJ
12787	626	10	portion	portion	NN
12787	626	11	of	of	IN
12787	626	12	the	the	DT
12787	626	13	carbonate	carbonate	NN
12787	626	14	from	from	IN
12787	626	15	the	the	DT
12787	626	16	tube	tube	NN
12787	626	17	to	to	IN
12787	626	18	another	another	DT
12787	626	19	beaker	beaker	NN
12787	626	20	of	of	IN
12787	626	21	about	about	RB
12787	626	22	the	the	DT
12787	626	23	same	same	JJ
12787	626	24	size	size	NN
12787	626	25	as	as	IN
12787	626	26	the	the	DT
12787	626	27	first	first	JJ
12787	626	28	.	.	.
12787	627	1	The	the	DT
12787	627	2	beakers	beaker	NNS
12787	627	3	should	should	MD
12787	627	4	be	be	VB
12787	627	5	labeled	label	VBN
12787	627	6	and	and	CC
12787	627	7	plainly	plainly	RB
12787	627	8	marked	mark	VBN
12787	627	9	to	to	TO
12787	627	10	correspond	correspond	VB
12787	627	11	with	with	IN
12787	627	12	the	the	DT
12787	627	13	entries	entry	NNS
12787	627	14	in	in	IN
12787	627	15	the	the	DT
12787	627	16	notebook	notebook	NN
12787	627	17	.	.	.
12787	628	1	Pour	pour	VB
12787	628	2	over	over	IN
12787	628	3	the	the	DT
12787	628	4	carbonate	carbonate	NN
12787	628	5	in	in	IN
12787	628	6	each	each	DT
12787	628	7	beaker	beaker	NN
12787	628	8	about	about	RB
12787	628	9	80	80	CD
12787	628	10	cc	cc	NN
12787	628	11	.	.	.
12787	629	1	of	of	IN
12787	629	2	water	water	NN
12787	629	3	,	,	,
12787	629	4	stir	stir	VB
12787	629	5	until	until	IN
12787	629	6	solution	solution	NN
12787	629	7	is	be	VBZ
12787	629	8	complete	complete	JJ
12787	629	9	,	,	,
12787	629	10	and	and	CC
12787	629	11	add	add	VB
12787	629	12	two	two	CD
12787	629	13	drops	drop	NNS
12787	629	14	of	of	IN
12787	629	15	methyl	methyl	NN
12787	629	16	orange	orange	NNP
12787	629	17	solution	solution	NN
12787	629	18	.	.	.
12787	630	1	Fill	fill	VB
12787	630	2	the	the	DT
12787	630	3	burettes	burette	NNS
12787	630	4	with	with	IN
12787	630	5	the	the	DT
12787	630	6	standard	standard	JJ
12787	630	7	acid	acid	NN
12787	630	8	and	and	CC
12787	630	9	alkali	alkali	JJ
12787	630	10	solutions	solution	NNS
12787	630	11	,	,	,
12787	630	12	noting	note	VBG
12787	630	13	the	the	DT
12787	630	14	initial	initial	JJ
12787	630	15	readings	reading	NNS
12787	630	16	of	of	IN
12787	630	17	the	the	DT
12787	630	18	burettes	burette	NNS
12787	630	19	and	and	CC
12787	630	20	temperature	temperature	NN
12787	630	21	of	of	IN
12787	630	22	the	the	DT
12787	630	23	solutions	solution	NNS
12787	630	24	.	.	.
12787	631	1	Run	run	VB
12787	631	2	in	in	IN
12787	631	3	acid	acid	NN
12787	631	4	from	from	IN
12787	631	5	the	the	DT
12787	631	6	burette	burette	NN
12787	631	7	,	,	,
12787	631	8	stirring	stir	VBG
12787	631	9	and	and	CC
12787	631	10	avoiding	avoiding	JJ
12787	631	11	loss	loss	NN
12787	631	12	by	by	IN
12787	631	13	effervescence	effervescence	NN
12787	631	14	,	,	,
12787	631	15	until	until	IN
12787	631	16	the	the	DT
12787	631	17	solution	solution	NN
12787	631	18	has	have	VBZ
12787	631	19	become	become	VBN
12787	631	20	pink	pink	JJ
12787	631	21	.	.	.
12787	632	1	Wash	wash	VB
12787	632	2	down	down	IN
12787	632	3	the	the	DT
12787	632	4	sides	side	NNS
12787	632	5	of	of	IN
12787	632	6	the	the	DT
12787	632	7	beaker	beaker	NN
12787	632	8	with	with	IN
12787	632	9	a	a	DT
12787	632	10	!	!	.
12787	632	11	little	little	JJ
12787	632	12	!	!	.
12787	633	1	water	water	NN
12787	633	2	from	from	IN
12787	633	3	a	a	DT
12787	633	4	wash	wash	NN
12787	633	5	-	-	HYPH
12787	633	6	bottle	bottle	NN
12787	633	7	,	,	,
12787	633	8	and	and	CC
12787	633	9	then	then	RB
12787	633	10	run	run	VB
12787	633	11	in	in	IN
12787	633	12	alkali	alkali	NNP
12787	633	13	from	from	IN
12787	633	14	the	the	DT
12787	633	15	other	other	JJ
12787	633	16	burette	burette	NN
12787	633	17	until	until	IN
12787	633	18	the	the	DT
12787	633	19	pink	pink	NN
12787	633	20	is	be	VBZ
12787	633	21	replaced	replace	VBN
12787	633	22	by	by	IN
12787	633	23	yellow	yellow	NN
12787	633	24	;	;	:
12787	633	25	then	then	RB
12787	633	26	finish	finish	VB
12787	633	27	the	the	DT
12787	633	28	titration	titration	NN
12787	633	29	as	as	IN
12787	633	30	described	describe	VBN
12787	633	31	on	on	IN
12787	633	32	page	page	NN
12787	633	33	37	37	CD
12787	633	34	.	.	.
12787	634	1	Note	note	VB
12787	634	2	the	the	DT
12787	634	3	readings	reading	NNS
12787	634	4	of	of	IN
12787	634	5	the	the	DT
12787	634	6	burettes	burette	NNS
12787	634	7	after	after	IN
12787	634	8	the	the	DT
12787	634	9	proper	proper	JJ
12787	634	10	interval	interval	NN
12787	634	11	,	,	,
12787	634	12	and	and	CC
12787	634	13	record	record	VB
12787	634	14	them	-PRON-	PRP
12787	634	15	in	in	IN
12787	634	16	the	the	DT
12787	634	17	notebook	notebook	NN
12787	634	18	.	.	.
12787	635	1	Repeat	repeat	VB
12787	635	2	the	the	DT
12787	635	3	procedure	procedure	NN
12787	635	4	,	,	,
12787	635	5	using	use	VBG
12787	635	6	the	the	DT
12787	635	7	second	second	JJ
12787	635	8	portion	portion	NN
12787	635	9	of	of	IN
12787	635	10	sodium	sodium	NN
12787	635	11	carbonate	carbonate	NN
12787	635	12	.	.	.
12787	636	1	Apply	apply	VB
12787	636	2	the	the	DT
12787	636	3	necessary	necessary	JJ
12787	636	4	calibration	calibration	NN
12787	636	5	corrections	correction	NNS
12787	636	6	to	to	IN
12787	636	7	the	the	DT
12787	636	8	volumes	volume	NNS
12787	636	9	of	of	IN
12787	636	10	the	the	DT
12787	636	11	solutions	solution	NNS
12787	636	12	used	use	VBN
12787	636	13	,	,	,
12787	636	14	and	and	CC
12787	636	15	correct	correct	VB
12787	636	16	for	for	IN
12787	636	17	temperature	temperature	NN
12787	636	18	if	if	IN
12787	636	19	necessary	necessary	JJ
12787	636	20	.	.	.
12787	637	1	From	from	IN
12787	637	2	the	the	DT
12787	637	3	data	datum	NNS
12787	637	4	obtained	obtain	VBN
12787	637	5	,	,	,
12787	637	6	calculate	calculate	VB
12787	637	7	the	the	DT
12787	637	8	volume	volume	NN
12787	637	9	of	of	IN
12787	637	10	the	the	DT
12787	637	11	hydrochloric	hydrochloric	JJ
12787	637	12	acid	acid	NN
12787	637	13	solution	solution	NN
12787	637	14	which	which	WDT
12787	637	15	is	be	VBZ
12787	637	16	equivalent	equivalent	JJ
12787	637	17	to	to	IN
12787	637	18	the	the	DT
12787	637	19	volume	volume	NN
12787	637	20	of	of	IN
12787	637	21	sodium	sodium	NN
12787	637	22	hydroxide	hydroxide	NN
12787	637	23	solution	solution	NN
12787	637	24	used	use	VBN
12787	637	25	in	in	IN
12787	637	26	this	this	DT
12787	637	27	titration	titration	NN
12787	637	28	.	.	.
12787	638	1	Subtract	subtract	VB
12787	638	2	this	this	DT
12787	638	3	volume	volume	NN
12787	638	4	from	from	IN
12787	638	5	the	the	DT
12787	638	6	volume	volume	NN
12787	638	7	of	of	IN
12787	638	8	hydrochloric	hydrochloric	JJ
12787	638	9	acid	acid	NN
12787	638	10	.	.	.
12787	639	1	The	the	DT
12787	639	2	difference	difference	NN
12787	639	3	represents	represent	VBZ
12787	639	4	the	the	DT
12787	639	5	volume	volume	NN
12787	639	6	of	of	IN
12787	639	7	acid	acid	NN
12787	639	8	used	use	VBN
12787	639	9	to	to	TO
12787	639	10	react	react	VB
12787	639	11	with	with	IN
12787	639	12	the	the	DT
12787	639	13	sodium	sodium	NN
12787	639	14	carbonate	carbonate	NN
12787	639	15	.	.	.
12787	640	1	Divide	divide	VB
12787	640	2	the	the	DT
12787	640	3	weight	weight	NN
12787	640	4	of	of	IN
12787	640	5	sodium	sodium	NN
12787	640	6	carbonate	carbonate	NN
12787	640	7	by	by	IN
12787	640	8	this	this	DT
12787	640	9	volume	volume	NN
12787	640	10	in	in	IN
12787	640	11	cubic	cubic	JJ
12787	640	12	centimeters	centimeter	NNS
12787	640	13	,	,	,
12787	640	14	thus	thus	RB
12787	640	15	obtaining	obtain	VBG
12787	640	16	the	the	DT
12787	640	17	weight	weight	NN
12787	640	18	of	of	IN
12787	640	19	sodium	sodium	NN
12787	640	20	carbonate	carbonate	NN
12787	640	21	equivalent	equivalent	JJ
12787	640	22	to	to	IN
12787	640	23	each	each	DT
12787	640	24	cubic	cubic	JJ
12787	640	25	centimeter	centimeter	NN
12787	640	26	of	of	IN
12787	640	27	the	the	DT
12787	640	28	acid	acid	NN
12787	640	29	.	.	.
12787	641	1	From	from	IN
12787	641	2	this	this	DT
12787	641	3	weight	weight	NN
12787	641	4	it	-PRON-	PRP
12787	641	5	is	be	VBZ
12787	641	6	possible	possible	JJ
12787	641	7	to	to	TO
12787	641	8	calculate	calculate	VB
12787	641	9	the	the	DT
12787	641	10	corresponding	corresponding	JJ
12787	641	11	weight	weight	NN
12787	641	12	of	of	IN
12787	641	13	HCl	HCl	NNPS
12787	641	14	in	in	IN
12787	641	15	each	each	DT
12787	641	16	cubic	cubic	JJ
12787	641	17	centimeter	centimeter	NN
12787	641	18	of	of	IN
12787	641	19	the	the	DT
12787	641	20	acid	acid	NN
12787	641	21	,	,	,
12787	641	22	and	and	CC
12787	641	23	in	in	IN
12787	641	24	turn	turn	NN
12787	641	25	the	the	DT
12787	641	26	relation	relation	NN
12787	641	27	of	of	IN
12787	641	28	the	the	DT
12787	641	29	acid	acid	NN
12787	641	30	to	to	IN
12787	641	31	the	the	DT
12787	641	32	normal	normal	JJ
12787	641	33	.	.	.
12787	642	1	If	if	IN
12787	642	2	,	,	,
12787	642	3	however	however	RB
12787	642	4	,	,	,
12787	642	5	it	-PRON-	PRP
12787	642	6	is	be	VBZ
12787	642	7	recalled	recall	VBN
12787	642	8	that	that	IN
12787	642	9	normal	normal	JJ
12787	642	10	solutions	solution	NNS
12787	642	11	are	be	VBP
12787	642	12	equivalent	equivalent	JJ
12787	642	13	to	to	IN
12787	642	14	each	each	DT
12787	642	15	other	other	JJ
12787	642	16	,	,	,
12787	642	17	it	-PRON-	PRP
12787	642	18	will	will	MD
12787	642	19	be	be	VB
12787	642	20	seen	see	VBN
12787	642	21	that	that	IN
12787	642	22	the	the	DT
12787	642	23	same	same	JJ
12787	642	24	result	result	NN
12787	642	25	may	may	MD
12787	642	26	be	be	VB
12787	642	27	more	more	RBR
12787	642	28	readily	readily	RB
12787	642	29	reached	reach	VBN
12787	642	30	by	by	IN
12787	642	31	dividing	divide	VBG
12787	642	32	the	the	DT
12787	642	33	weight	weight	NN
12787	642	34	in	in	IN
12787	642	35	grams	gram	NNS
12787	642	36	of	of	IN
12787	642	37	sodium	sodium	NN
12787	642	38	carbonate	carbonate	NN
12787	642	39	per	per	IN
12787	642	40	cubic	cubic	JJ
12787	642	41	centimeter	centimeter	NN
12787	642	42	just	just	RB
12787	642	43	found	find	VBN
12787	642	44	by	by	IN
12787	642	45	titration	titration	NN
12787	642	46	by	by	IN
12787	642	47	the	the	DT
12787	642	48	weight	weight	NN
12787	642	49	which	which	WDT
12787	642	50	would	would	MD
12787	642	51	be	be	VB
12787	642	52	contained	contain	VBN
12787	642	53	in	in	IN
12787	642	54	the	the	DT
12787	642	55	same	same	JJ
12787	642	56	volume	volume	NN
12787	642	57	of	of	IN
12787	642	58	a	a	DT
12787	642	59	normal	normal	JJ
12787	642	60	solution	solution	NN
12787	642	61	of	of	IN
12787	642	62	sodium	sodium	NN
12787	642	63	carbonate	carbonate	NN
12787	642	64	.	.	.
12787	643	1	A	a	DT
12787	643	2	normal	normal	JJ
12787	643	3	solution	solution	NN
12787	643	4	of	of	IN
12787	643	5	sodium	sodium	NN
12787	643	6	carbonate	carbonate	NN
12787	643	7	contains	contain	VBZ
12787	643	8	53.0	53.0	CD
12787	643	9	grams	gram	NNS
12787	643	10	per	per	IN
12787	643	11	liter	liter	NN
12787	643	12	,	,	,
12787	643	13	or	or	CC
12787	643	14	0.0530	0.0530	CD
12787	643	15	gram	gram	NN
12787	643	16	per	per	IN
12787	643	17	cc	cc	NNP
12787	643	18	.	.	.
12787	644	1	(	(	-LRB-
12787	644	2	see	see	VB
12787	644	3	page	page	NN
12787	644	4	29	29	CD
12787	644	5	)	)	-RRB-
12787	644	6	.	.	.
12787	645	1	The	the	DT
12787	645	2	relation	relation	NN
12787	645	3	of	of	IN
12787	645	4	the	the	DT
12787	645	5	acid	acid	NN
12787	645	6	solution	solution	NN
12787	645	7	to	to	IN
12787	645	8	the	the	DT
12787	645	9	normal	normal	JJ
12787	645	10	is	be	VBZ
12787	645	11	,	,	,
12787	645	12	therefore	therefore	RB
12787	645	13	,	,	,
12787	645	14	calculated	calculate	VBN
12787	645	15	by	by	IN
12787	645	16	dividing	divide	VBG
12787	645	17	the	the	DT
12787	645	18	weight	weight	NN
12787	645	19	of	of	IN
12787	645	20	the	the	DT
12787	645	21	carbonate	carbonate	NN
12787	645	22	to	to	TO
12787	645	23	which	which	WDT
12787	645	24	each	each	DT
12787	645	25	cubic	cubic	JJ
12787	645	26	centimeter	centimeter	NN
12787	645	27	of	of	IN
12787	645	28	the	the	DT
12787	645	29	acid	acid	NN
12787	645	30	is	be	VBZ
12787	645	31	equivalent	equivalent	JJ
12787	645	32	by	by	IN
12787	645	33	0.0530	0.0530	CD
12787	645	34	.	.	.
12787	646	1	The	the	DT
12787	646	2	standardization	standardization	NN
12787	646	3	must	must	MD
12787	646	4	be	be	VB
12787	646	5	repeated	repeat	VBN
12787	646	6	until	until	IN
12787	646	7	the	the	DT
12787	646	8	values	value	NNS
12787	646	9	obtained	obtain	VBN
12787	646	10	agree	agree	VBP
12787	646	11	within	within	IN
12787	646	12	,	,	,
12787	646	13	at	at	IN
12787	646	14	most	most	JJS
12787	646	15	,	,	,
12787	646	16	two	two	CD
12787	646	17	parts	part	NNS
12787	646	18	in	in	IN
12787	646	19	one	one	CD
12787	646	20	thousand	thousand	CD
12787	646	21	.	.	.
12787	647	1	When	when	WRB
12787	647	2	the	the	DT
12787	647	3	standard	standard	NN
12787	647	4	of	of	IN
12787	647	5	the	the	DT
12787	647	6	acid	acid	NN
12787	647	7	solution	solution	NN
12787	647	8	has	have	VBZ
12787	647	9	been	be	VBN
12787	647	10	determined	determine	VBN
12787	647	11	,	,	,
12787	647	12	calculate	calculate	VB
12787	647	13	,	,	,
12787	647	14	from	from	IN
12787	647	15	the	the	DT
12787	647	16	known	know	VBN
12787	647	17	ratio	ratio	NN
12787	647	18	of	of	IN
12787	647	19	the	the	DT
12787	647	20	two	two	CD
12787	647	21	solutions	solution	NNS
12787	647	22	,	,	,
12787	647	23	the	the	DT
12787	647	24	relation	relation	NN
12787	647	25	of	of	IN
12787	647	26	the	the	DT
12787	647	27	sodium	sodium	NN
12787	647	28	hydroxide	hydroxide	NN
12787	647	29	solution	solution	NN
12787	647	30	to	to	IN
12787	647	31	a	a	DT
12787	647	32	normal	normal	JJ
12787	647	33	solution	solution	NN
12787	647	34	(	(	-LRB-
12787	647	35	Notes	note	NNS
12787	647	36	1	1	CD
12787	647	37	and	and	CC
12787	647	38	2	2	CD
12787	647	39	)	)	-RRB-
12787	647	40	.	.	.
12787	648	1	[	[	-LRB-
12787	648	2	Note	note	NN
12787	648	3	1	1	CD
12787	648	4	:	:	:
12787	648	5	In	in	IN
12787	648	6	the	the	DT
12787	648	7	foregoing	foregoing	NN
12787	648	8	procedure	procedure	NN
12787	648	9	the	the	DT
12787	648	10	acid	acid	NN
12787	648	11	solution	solution	NN
12787	648	12	is	be	VBZ
12787	648	13	standardized	standardize	VBN
12787	648	14	and	and	CC
12787	648	15	the	the	DT
12787	648	16	alkali	alkali	JJ
12787	648	17	solution	solution	NN
12787	648	18	referred	refer	VBD
12787	648	19	to	to	IN
12787	648	20	this	this	DT
12787	648	21	standard	standard	NN
12787	648	22	by	by	IN
12787	648	23	calculation	calculation	NN
12787	648	24	.	.	.
12787	649	1	It	-PRON-	PRP
12787	649	2	is	be	VBZ
12787	649	3	equally	equally	RB
12787	649	4	possible	possible	JJ
12787	649	5	,	,	,
12787	649	6	if	if	IN
12787	649	7	preferred	prefer	VBN
12787	649	8	,	,	,
12787	649	9	to	to	TO
12787	649	10	standardize	standardize	VB
12787	649	11	the	the	DT
12787	649	12	alkali	alkali	JJ
12787	649	13	solution	solution	NN
12787	649	14	.	.	.
12787	650	1	The	the	DT
12787	650	2	standards	standard	NNS
12787	650	3	in	in	IN
12787	650	4	a	a	DT
12787	650	5	common	common	JJ
12787	650	6	use	use	NN
12787	650	7	for	for	IN
12787	650	8	this	this	DT
12787	650	9	purpose	purpose	NN
12787	650	10	are	be	VBP
12787	650	11	purified	purify	VBN
12787	650	12	oxalic	oxalic	JJ
12787	650	13	acid	acid	NN
12787	650	14	(	(	-LRB-
12787	650	15	H_{2}C_{2}O_{4}.2H_{2}O	h_{2}c_{2}o_{4}.2h_{2}o	UH
12787	650	16	)	)	-RRB-
12787	650	17	,	,	,
12787	650	18	potassium	potassium	NN
12787	650	19	acid	acid	NN
12787	650	20	oxalate	oxalate	NN
12787	650	21	(	(	-LRB-
12787	650	22	KHC_{2}O_{4}.H_{2}O	KHC_{2}O_{4}.H_{2}O	NNP
12787	650	23	or	or	CC
12787	650	24	KHC_{2}O_{4	KHC_{2}O_{4	NNP
12787	650	25	}	}	-RRB-
12787	650	26	)	)	-RRB-
12787	650	27	,	,	,
12787	650	28	potassium	potassium	NN
12787	650	29	tetroxalate	tetroxalate	NN
12787	650	30	(	(	-LRB-
12787	650	31	KHC_{2}O_{4}.H_{2}C_{2}O_{4}.2H_{2}O	KHC_{2}O_{4}.H_{2}C_{2}O_{4}.2H_{2}O	NNP
12787	650	32	)	)	-RRB-
12787	650	33	,	,	,
12787	650	34	or	or	CC
12787	650	35	potassium	potassium	NN
12787	650	36	acid	acid	NN
12787	650	37	tartrate	tartrate	NN
12787	650	38	(	(	-LRB-
12787	650	39	KHC_{4}O_{6	KHC_{4}O_{6	NNP
12787	650	40	}	}	-RRB-
12787	650	41	)	)	-RRB-
12787	650	42	,	,	,
12787	650	43	with	with	IN
12787	650	44	the	the	DT
12787	650	45	use	use	NN
12787	650	46	of	of	IN
12787	650	47	a	a	DT
12787	650	48	suitable	suitable	JJ
12787	650	49	indicator	indicator	NN
12787	650	50	.	.	.
12787	651	1	The	the	DT
12787	651	2	oxalic	oxalic	JJ
12787	651	3	acid	acid	NN
12787	651	4	and	and	CC
12787	651	5	the	the	DT
12787	651	6	oxalates	oxalate	NNS
12787	651	7	should	should	MD
12787	651	8	be	be	VB
12787	651	9	specially	specially	RB
12787	651	10	prepared	prepared	JJ
12787	651	11	to	to	TO
12787	651	12	insure	insure	VB
12787	651	13	purity	purity	NN
12787	651	14	,	,	,
12787	651	15	the	the	DT
12787	651	16	main	main	JJ
12787	651	17	difficulty	difficulty	NN
12787	651	18	lying	lie	VBG
12787	651	19	in	in	IN
12787	651	20	the	the	DT
12787	651	21	preservation	preservation	NN
12787	651	22	of	of	IN
12787	651	23	the	the	DT
12787	651	24	water	water	NN
12787	651	25	of	of	IN
12787	651	26	crystallization	crystallization	NN
12787	651	27	.	.	.
12787	652	1	It	-PRON-	PRP
12787	652	2	should	should	MD
12787	652	3	be	be	VB
12787	652	4	noted	note	VBN
12787	652	5	that	that	IN
12787	652	6	the	the	DT
12787	652	7	acid	acid	NN
12787	652	8	oxalate	oxalate	NN
12787	652	9	and	and	CC
12787	652	10	the	the	DT
12787	652	11	acid	acid	NN
12787	652	12	tartrate	tartrate	NN
12787	652	13	each	each	DT
12787	652	14	contain	contain	VBP
12787	652	15	one	one	CD
12787	652	16	hydrogen	hydrogen	NN
12787	652	17	atom	atom	NN
12787	652	18	replaceable	replaceable	JJ
12787	652	19	by	by	IN
12787	652	20	a	a	DT
12787	652	21	base	base	NN
12787	652	22	,	,	,
12787	652	23	while	while	IN
12787	652	24	the	the	DT
12787	652	25	tetroxalate	tetroxalate	NN
12787	652	26	contains	contain	VBZ
12787	652	27	three	three	CD
12787	652	28	such	such	JJ
12787	652	29	atoms	atom	NNS
12787	652	30	and	and	CC
12787	652	31	the	the	DT
12787	652	32	oxalic	oxalic	JJ
12787	652	33	acid	acid	NN
12787	652	34	two	two	CD
12787	652	35	.	.	.
12787	653	1	Each	each	DT
12787	653	2	of	of	IN
12787	653	3	the	the	DT
12787	653	4	two	two	CD
12787	653	5	salts	salt	NNS
12787	653	6	first	first	RB
12787	653	7	named	name	VBN
12787	653	8	behave	behave	NN
12787	653	9	,	,	,
12787	653	10	therefore	therefore	RB
12787	653	11	,	,	,
12787	653	12	as	as	IN
12787	653	13	monobasic	monobasic	JJ
12787	653	14	acids	acid	NNS
12787	653	15	,	,	,
12787	653	16	and	and	CC
12787	653	17	the	the	DT
12787	653	18	tetroxalate	tetroxalate	NN
12787	653	19	as	as	IN
12787	653	20	a	a	DT
12787	653	21	tribasic	tribasic	NN
12787	653	22	acid	acid	NN
12787	653	23	.	.	.
12787	653	24	]	]	-RRB-
12787	654	1	[	[	-LRB-
12787	654	2	Note	note	NN
12787	654	3	2	2	CD
12787	654	4	:	:	:
12787	654	5	It	-PRON-	PRP
12787	654	6	is	be	VBZ
12787	654	7	also	also	RB
12787	654	8	possible	possible	JJ
12787	654	9	to	to	TO
12787	654	10	standardize	standardize	VB
12787	654	11	a	a	DT
12787	654	12	hydrochloric	hydrochloric	JJ
12787	654	13	acid	acid	NN
12787	654	14	solution	solution	NN
12787	654	15	by	by	IN
12787	654	16	precipitating	precipitate	VBG
12787	654	17	the	the	DT
12787	654	18	chloride	chloride	NN
12787	654	19	ions	ion	NNS
12787	654	20	as	as	IN
12787	654	21	silver	silver	NN
12787	654	22	chloride	chloride	NN
12787	654	23	and	and	CC
12787	654	24	weighing	weigh	VBG
12787	654	25	the	the	DT
12787	654	26	precipitate	precipitate	NN
12787	654	27	,	,	,
12787	654	28	as	as	IN
12787	654	29	prescribed	prescribe	VBN
12787	654	30	under	under	IN
12787	654	31	the	the	DT
12787	654	32	analysis	analysis	NN
12787	654	33	of	of	IN
12787	654	34	sodium	sodium	NN
12787	654	35	chloride	chloride	NN
12787	654	36	to	to	TO
12787	654	37	be	be	VB
12787	654	38	described	describe	VBN
12787	654	39	later	later	RB
12787	654	40	.	.	.
12787	655	1	Sulphuric	sulphuric	JJ
12787	655	2	acid	acid	JJ
12787	655	3	solutions	solution	NNS
12787	655	4	may	may	MD
12787	655	5	be	be	VB
12787	655	6	standardized	standardize	VBN
12787	655	7	by	by	IN
12787	655	8	precipitation	precipitation	NN
12787	655	9	of	of	IN
12787	655	10	the	the	DT
12787	655	11	sulphate	sulphate	NN
12787	655	12	ions	ion	NNS
12787	655	13	as	as	IN
12787	655	14	barium	barium	NN
12787	655	15	sulphate	sulphate	NN
12787	655	16	and	and	CC
12787	655	17	weighing	weigh	VBG
12787	655	18	the	the	DT
12787	655	19	ignited	ignited	JJ
12787	655	20	precipitate	precipitate	NN
12787	655	21	,	,	,
12787	655	22	but	but	CC
12787	655	23	the	the	DT
12787	655	24	results	result	NNS
12787	655	25	are	be	VBP
12787	655	26	not	not	RB
12787	655	27	above	above	IN
12787	655	28	criticism	criticism	NN
12787	655	29	on	on	IN
12787	655	30	account	account	NN
12787	655	31	of	of	IN
12787	655	32	the	the	DT
12787	655	33	difficulty	difficulty	NN
12787	655	34	in	in	IN
12787	655	35	obtaining	obtain	VBG
12787	655	36	large	large	JJ
12787	655	37	precipitates	precipitate	NNS
12787	655	38	of	of	IN
12787	655	39	barium	barium	NN
12787	655	40	sulphate	sulphate	NN
12787	655	41	which	which	WDT
12787	655	42	are	be	VBP
12787	655	43	uncontaminated	uncontaminate	VBN
12787	655	44	by	by	IN
12787	655	45	inclosures	inclosure	NNS
12787	655	46	or	or	CC
12787	655	47	are	be	VBP
12787	655	48	not	not	RB
12787	655	49	reduced	reduce	VBN
12787	655	50	on	on	IN
12787	655	51	ignition	ignition	NN
12787	655	52	.	.	.
12787	655	53	]	]	-RRB-
12787	656	1	DETERMINATION	determination	NN
12787	656	2	OF	of	IN
12787	656	3	THE	the	DT
12787	656	4	TOTAL	TOTAL	NNP
12787	656	5	ALKALINE	ALKALINE	NNP
12787	656	6	STRENGTH	STRENGTH	NNP
12787	656	7	OF	of	IN
12787	656	8	SODA	SODA	NNP
12787	656	9	ASH	ASH	NNP
12787	656	10	Soda	Soda	NNP
12787	656	11	ash	ash	NN
12787	656	12	is	be	VBZ
12787	656	13	crude	crude	JJ
12787	656	14	sodium	sodium	NN
12787	656	15	carbonate	carbonate	NN
12787	656	16	.	.	.
12787	657	1	If	if	IN
12787	657	2	made	make	VBN
12787	657	3	by	by	IN
12787	657	4	the	the	DT
12787	657	5	ammonia	ammonia	NN
12787	657	6	process	process	NN
12787	657	7	it	-PRON-	PRP
12787	657	8	may	may	MD
12787	657	9	contain	contain	VB
12787	657	10	also	also	RB
12787	657	11	sodium	sodium	NN
12787	657	12	chloride	chloride	NN
12787	657	13	,	,	,
12787	657	14	sulphate	sulphate	VB
12787	657	15	,	,	,
12787	657	16	and	and	CC
12787	657	17	hydroxide	hydroxide	NN
12787	657	18	;	;	:
12787	657	19	when	when	WRB
12787	657	20	made	make	VBN
12787	657	21	by	by	IN
12787	657	22	the	the	DT
12787	657	23	Le	Le	NNP
12787	657	24	Blanc	Blanc	NNP
12787	657	25	process	process	NN
12787	657	26	it	-PRON-	PRP
12787	657	27	may	may	MD
12787	657	28	contain	contain	VB
12787	657	29	sodium	sodium	NN
12787	657	30	sulphide	sulphide	NN
12787	657	31	,	,	,
12787	657	32	silicate	silicate	VB
12787	657	33	,	,	,
12787	657	34	and	and	CC
12787	657	35	aluminate	aluminate	VB
12787	657	36	,	,	,
12787	657	37	and	and	CC
12787	657	38	other	other	JJ
12787	657	39	impurities	impurity	NNS
12787	657	40	.	.	.
12787	658	1	Some	some	DT
12787	658	2	of	of	IN
12787	658	3	these	these	DT
12787	658	4	,	,	,
12787	658	5	notably	notably	RB
12787	658	6	the	the	DT
12787	658	7	hydroxide	hydroxide	NN
12787	658	8	,	,	,
12787	658	9	combine	combine	VB
12787	658	10	with	with	IN
12787	658	11	acids	acid	NNS
12787	658	12	and	and	CC
12787	658	13	contribute	contribute	VB
12787	658	14	to	to	IN
12787	658	15	the	the	DT
12787	658	16	total	total	JJ
12787	658	17	alkaline	alkaline	NN
12787	658	18	strength	strength	NN
12787	658	19	,	,	,
12787	658	20	but	but	CC
12787	658	21	it	-PRON-	PRP
12787	658	22	is	be	VBZ
12787	658	23	customary	customary	JJ
12787	658	24	to	to	TO
12787	658	25	calculate	calculate	VB
12787	658	26	this	this	DT
12787	658	27	strength	strength	NN
12787	658	28	in	in	IN
12787	658	29	terms	term	NNS
12787	658	30	of	of	IN
12787	658	31	sodium	sodium	NN
12787	658	32	carbonate	carbonate	NN
12787	658	33	;	;	:
12787	658	34	i.e.	i.e.	FW
12787	658	35	,	,	,
12787	658	36	as	as	IN
12787	658	37	though	though	IN
12787	658	38	no	no	DT
12787	658	39	other	other	JJ
12787	658	40	alkali	alkali	NN
12787	658	41	were	be	VBD
12787	658	42	present	present	JJ
12787	658	43	.	.	.
12787	659	1	PROCEDURE.--In	procedure.--in	CD
12787	659	2	order	order	NN
12787	659	3	to	to	TO
12787	659	4	secure	secure	VB
12787	659	5	a	a	DT
12787	659	6	sample	sample	NN
12787	659	7	which	which	WDT
12787	659	8	shall	shall	MD
12787	659	9	represent	represent	VB
12787	659	10	the	the	DT
12787	659	11	average	average	JJ
12787	659	12	value	value	NN
12787	659	13	of	of	IN
12787	659	14	the	the	DT
12787	659	15	ash	ash	NN
12787	659	16	,	,	,
12787	659	17	it	-PRON-	PRP
12787	659	18	is	be	VBZ
12787	659	19	well	well	JJ
12787	659	20	to	to	TO
12787	659	21	take	take	VB
12787	659	22	at	at	RB
12787	659	23	least	least	RBS
12787	659	24	5	5	CD
12787	659	25	grams	gram	NNS
12787	659	26	.	.	.
12787	660	1	As	as	IN
12787	660	2	this	this	DT
12787	660	3	is	be	VBZ
12787	660	4	too	too	RB
12787	660	5	large	large	JJ
12787	660	6	a	a	DT
12787	660	7	quantity	quantity	NN
12787	660	8	for	for	IN
12787	660	9	convenient	convenient	JJ
12787	660	10	titration	titration	NN
12787	660	11	,	,	,
12787	660	12	an	an	DT
12787	660	13	aliquot	aliquot	NNS
12787	660	14	portion	portion	NN
12787	660	15	of	of	IN
12787	660	16	the	the	DT
12787	660	17	solution	solution	NN
12787	660	18	is	be	VBZ
12787	660	19	measured	measure	VBN
12787	660	20	off	off	RP
12787	660	21	,	,	,
12787	660	22	representing	represent	VBG
12787	660	23	one	one	CD
12787	660	24	fifth	fifth	NN
12787	660	25	of	of	IN
12787	660	26	the	the	DT
12787	660	27	entire	entire	JJ
12787	660	28	quantity	quantity	NN
12787	660	29	.	.	.
12787	661	1	This	this	DT
12787	661	2	is	be	VBZ
12787	661	3	accomplished	accomplish	VBN
12787	661	4	as	as	IN
12787	661	5	follows	follow	VBZ
12787	661	6	:	:	:
12787	661	7	Weigh	weigh	VB
12787	661	8	out	out	RP
12787	661	9	on	on	IN
12787	661	10	an	an	DT
12787	661	11	analytical	analytical	JJ
12787	661	12	balance	balance	NN
12787	661	13	two	two	CD
12787	661	14	samples	sample	NNS
12787	661	15	of	of	IN
12787	661	16	soda	soda	NN
12787	661	17	ash	ash	NN
12787	661	18	of	of	IN
12787	661	19	about	about	RB
12787	661	20	5	5	CD
12787	661	21	grams	gram	NNS
12787	661	22	each	each	DT
12787	661	23	into	into	IN
12787	661	24	beakers	beaker	NNS
12787	661	25	of	of	IN
12787	661	26	about	about	RB
12787	661	27	500	500	CD
12787	661	28	cc	cc	NN
12787	661	29	.	.	.
12787	662	1	capacity	capacity	NN
12787	662	2	.	.	.
12787	663	1	(	(	-LRB-
12787	663	2	The	the	DT
12787	663	3	weighings	weighing	NNS
12787	663	4	need	nee	MD
12787	663	5	be	be	VB
12787	663	6	made	make	VBN
12787	663	7	to	to	IN
12787	663	8	centigrams	centigram	NNS
12787	663	9	only	only	RB
12787	663	10	.	.	.
12787	663	11	)	)	-RRB-
12787	664	1	Dissolve	dissolve	VB
12787	664	2	the	the	DT
12787	664	3	ash	ash	NN
12787	664	4	in	in	IN
12787	664	5	75	75	CD
12787	664	6	cc	cc	NN
12787	664	7	.	.	.
12787	665	1	of	of	IN
12787	665	2	water	water	NN
12787	665	3	,	,	,
12787	665	4	warming	warm	VBG
12787	665	5	gently	gently	RB
12787	665	6	,	,	,
12787	665	7	and	and	CC
12787	665	8	filter	filter	VB
12787	665	9	off	off	RP
12787	665	10	the	the	DT
12787	665	11	insoluble	insoluble	JJ
12787	665	12	residue	residue	NN
12787	665	13	;	;	:
12787	665	14	wash	wash	VB
12787	665	15	the	the	DT
12787	665	16	filter	filter	NN
12787	665	17	by	by	IN
12787	665	18	filling	fill	VBG
12787	665	19	it	-PRON-	PRP
12787	665	20	at	at	RB
12787	665	21	least	least	RBS
12787	665	22	three	three	CD
12787	665	23	times	time	NNS
12787	665	24	with	with	IN
12787	665	25	distilled	distilled	JJ
12787	665	26	water	water	NN
12787	665	27	,	,	,
12787	665	28	and	and	CC
12787	665	29	allowing	allow	VBG
12787	665	30	it	-PRON-	PRP
12787	665	31	to	to	TO
12787	665	32	drain	drain	VB
12787	665	33	,	,	,
12787	665	34	adding	add	VBG
12787	665	35	the	the	DT
12787	665	36	washings	washing	NNS
12787	665	37	to	to	IN
12787	665	38	the	the	DT
12787	665	39	main	main	JJ
12787	665	40	filtrate	filtrate	NN
12787	665	41	.	.	.
12787	666	1	Cool	cool	VB
12787	666	2	the	the	DT
12787	666	3	filtrate	filtrate	JJ
12787	666	4	to	to	TO
12787	666	5	approximately	approximately	RB
12787	666	6	the	the	DT
12787	666	7	standard	standard	JJ
12787	666	8	temperature	temperature	NN
12787	666	9	of	of	IN
12787	666	10	the	the	DT
12787	666	11	laboratory	laboratory	NN
12787	666	12	,	,	,
12787	666	13	and	and	CC
12787	666	14	transfer	transfer	VB
12787	666	15	it	-PRON-	PRP
12787	666	16	to	to	IN
12787	666	17	a	a	DT
12787	666	18	250	250	CD
12787	666	19	cc	cc	NN
12787	666	20	.	.	.
12787	667	1	measuring	measure	VBG
12787	667	2	flask	flask	NN
12787	667	3	,	,	,
12787	667	4	washing	wash	VBG
12787	667	5	out	out	RP
12787	667	6	the	the	DT
12787	667	7	beaker	beaker	NN
12787	667	8	thoroughly	thoroughly	RB
12787	667	9	.	.	.
12787	668	1	Add	add	VB
12787	668	2	distilled	distilled	JJ
12787	668	3	water	water	NN
12787	668	4	of	of	IN
12787	668	5	laboratory	laboratory	NN
12787	668	6	temperature	temperature	NN
12787	668	7	until	until	IN
12787	668	8	the	the	DT
12787	668	9	lowest	low	JJS
12787	668	10	point	point	NN
12787	668	11	of	of	IN
12787	668	12	the	the	DT
12787	668	13	meniscus	meniscus	NN
12787	668	14	is	be	VBZ
12787	668	15	level	level	NN
12787	668	16	with	with	IN
12787	668	17	the	the	DT
12787	668	18	graduation	graduation	NN
12787	668	19	on	on	IN
12787	668	20	the	the	DT
12787	668	21	neck	neck	NN
12787	668	22	of	of	IN
12787	668	23	the	the	DT
12787	668	24	flask	flask	NN
12787	668	25	and	and	CC
12787	668	26	remove	remove	VB
12787	668	27	any	any	DT
12787	668	28	drops	drop	NNS
12787	668	29	of	of	IN
12787	668	30	water	water	NN
12787	668	31	that	that	WDT
12787	668	32	may	may	MD
12787	668	33	be	be	VB
12787	668	34	on	on	IN
12787	668	35	the	the	DT
12787	668	36	neck	neck	NN
12787	668	37	above	above	IN
12787	668	38	the	the	DT
12787	668	39	graduation	graduation	NN
12787	668	40	by	by	IN
12787	668	41	means	mean	NNS
12787	668	42	of	of	IN
12787	668	43	a	a	DT
12787	668	44	strip	strip	NN
12787	668	45	of	of	IN
12787	668	46	filter	filter	NN
12787	668	47	paper	paper	NN
12787	668	48	;	;	:
12787	668	49	make	make	VB
12787	668	50	the	the	DT
12787	668	51	solution	solution	NN
12787	668	52	thoroughly	thoroughly	RB
12787	668	53	uniform	uniform	JJ
12787	668	54	by	by	IN
12787	668	55	pouring	pour	VBG
12787	668	56	it	-PRON-	PRP
12787	668	57	out	out	RP
12787	668	58	into	into	IN
12787	668	59	a	a	DT
12787	668	60	dry	dry	JJ
12787	668	61	beaker	beaker	NN
12787	668	62	and	and	CC
12787	668	63	back	back	RB
12787	668	64	into	into	IN
12787	668	65	the	the	DT
12787	668	66	flask	flask	NN
12787	668	67	several	several	JJ
12787	668	68	times	time	NNS
12787	668	69	.	.	.
12787	669	1	Measure	measure	VB
12787	669	2	off	off	RP
12787	669	3	50	50	CD
12787	669	4	cc	cc	NN
12787	669	5	.	.	.
12787	670	1	of	of	IN
12787	670	2	the	the	DT
12787	670	3	solution	solution	NN
12787	670	4	in	in	IN
12787	670	5	a	a	DT
12787	670	6	measuring	measure	VBG
12787	670	7	flask	flask	NN
12787	670	8	,	,	,
12787	670	9	or	or	CC
12787	670	10	pipette	pipette	NNP
12787	670	11	,	,	,
12787	670	12	either	either	CC
12787	670	13	of	of	IN
12787	670	14	which	which	WDT
12787	670	15	before	before	IN
12787	670	16	use	use	NN
12787	670	17	should	should	MD
12787	670	18	,	,	,
12787	670	19	unless	unless	IN
12787	670	20	they	-PRON-	PRP
12787	670	21	are	be	VBP
12787	670	22	dry	dry	JJ
12787	670	23	on	on	IN
12787	670	24	the	the	DT
12787	670	25	inside	inside	NN
12787	670	26	,	,	,
12787	670	27	be	be	VB
12787	670	28	rinsed	rinse	VBN
12787	670	29	out	out	RP
12787	670	30	with	with	IN
12787	670	31	at	at	RB
12787	670	32	least	least	RBS
12787	670	33	two	two	CD
12787	670	34	small	small	JJ
12787	670	35	portions	portion	NNS
12787	670	36	of	of	IN
12787	670	37	the	the	DT
12787	670	38	soda	soda	NN
12787	670	39	ash	ash	NN
12787	670	40	solution	solution	NN
12787	670	41	to	to	TO
12787	670	42	displace	displace	VB
12787	670	43	any	any	DT
12787	670	44	water	water	NN
12787	670	45	.	.	.
12787	671	1	If	if	IN
12787	671	2	a	a	DT
12787	671	3	flask	flask	NN
12787	671	4	is	be	VBZ
12787	671	5	used	use	VBN
12787	671	6	,	,	,
12787	671	7	fill	fill	VB
12787	671	8	it	-PRON-	PRP
12787	671	9	to	to	IN
12787	671	10	the	the	DT
12787	671	11	graduation	graduation	NN
12787	671	12	with	with	IN
12787	671	13	the	the	DT
12787	671	14	soda	soda	NN
12787	671	15	ash	ash	NN
12787	671	16	solution	solution	NN
12787	671	17	and	and	CC
12787	671	18	remove	remove	VB
12787	671	19	any	any	DT
12787	671	20	liquid	liquid	NN
12787	671	21	from	from	IN
12787	671	22	the	the	DT
12787	671	23	neck	neck	NN
12787	671	24	above	above	IN
12787	671	25	the	the	DT
12787	671	26	graduation	graduation	NN
12787	671	27	with	with	IN
12787	671	28	filter	filter	NN
12787	671	29	paper	paper	NN
12787	671	30	.	.	.
12787	672	1	Empty	empty	JJ
12787	672	2	it	-PRON-	PRP
12787	672	3	into	into	IN
12787	672	4	a	a	DT
12787	672	5	beaker	beaker	NN
12787	672	6	,	,	,
12787	672	7	and	and	CC
12787	672	8	wash	wash	VB
12787	672	9	out	out	RP
12787	672	10	the	the	DT
12787	672	11	small	small	JJ
12787	672	12	flask	flask	NN
12787	672	13	,	,	,
12787	672	14	unless	unless	IN
12787	672	15	it	-PRON-	PRP
12787	672	16	is	be	VBZ
12787	672	17	graduated	graduate	VBN
12787	672	18	for	for	IN
12787	672	19	!	!	.
12787	672	20	delivery	delivery	NN
12787	672	21	!	!	.
12787	672	22	,	,	,
12787	672	23	using	use	VBG
12787	672	24	small	small	JJ
12787	672	25	quantities	quantity	NNS
12787	672	26	of	of	IN
12787	672	27	water	water	NN
12787	672	28	,	,	,
12787	672	29	which	which	WDT
12787	672	30	are	be	VBP
12787	672	31	added	add	VBN
12787	672	32	to	to	IN
12787	672	33	the	the	DT
12787	672	34	liquid	liquid	NN
12787	672	35	in	in	IN
12787	672	36	the	the	DT
12787	672	37	beaker	beaker	NN
12787	672	38	.	.	.
12787	673	1	A	a	DT
12787	673	2	second	second	JJ
12787	673	3	50	50	CD
12787	673	4	cc	cc	NN
12787	673	5	.	.	.
12787	674	1	portion	portion	NN
12787	674	2	from	from	IN
12787	674	3	the	the	DT
12787	674	4	main	main	JJ
12787	674	5	solution	solution	NN
12787	674	6	should	should	MD
12787	674	7	be	be	VB
12787	674	8	measured	measure	VBN
12787	674	9	off	off	RP
12787	674	10	into	into	IN
12787	674	11	a	a	DT
12787	674	12	second	second	JJ
12787	674	13	beaker	beaker	NN
12787	674	14	.	.	.
12787	675	1	Dilute	dilute	VB
12787	675	2	the	the	DT
12787	675	3	solutions	solution	NNS
12787	675	4	in	in	IN
12787	675	5	each	each	DT
12787	675	6	beaker	beaker	NN
12787	675	7	to	to	IN
12787	675	8	100	100	CD
12787	675	9	cc	cc	NNP
12787	675	10	.	.	.
12787	675	11	,	,	,
12787	675	12	add	add	VB
12787	675	13	two	two	CD
12787	675	14	drops	drop	NNS
12787	675	15	of	of	IN
12787	675	16	a	a	DT
12787	675	17	solution	solution	NN
12787	675	18	of	of	IN
12787	675	19	methyl	methyl	NN
12787	675	20	orange	orange	NN
12787	675	21	(	(	-LRB-
12787	675	22	Note	note	NN
12787	675	23	1	1	CD
12787	675	24	)	)	-RRB-
12787	675	25	and	and	CC
12787	675	26	titrate	titrate	VB
12787	675	27	for	for	IN
12787	675	28	the	the	DT
12787	675	29	alkali	alkali	JJ
12787	675	30	with	with	IN
12787	675	31	the	the	DT
12787	675	32	standard	standard	JJ
12787	675	33	hydrochloric	hydrochloric	JJ
12787	675	34	acid	acid	NN
12787	675	35	solution	solution	NN
12787	675	36	,	,	,
12787	675	37	using	use	VBG
12787	675	38	the	the	DT
12787	675	39	alkali	alkali	JJ
12787	675	40	solution	solution	NN
12787	675	41	to	to	TO
12787	675	42	complete	complete	VB
12787	675	43	the	the	DT
12787	675	44	titration	titration	NN
12787	675	45	as	as	RB
12787	675	46	already	already	RB
12787	675	47	prescribed	prescribe	VBN
12787	675	48	.	.	.
12787	676	1	From	from	IN
12787	676	2	the	the	DT
12787	676	3	volumes	volume	NNS
12787	676	4	of	of	IN
12787	676	5	acid	acid	NN
12787	676	6	and	and	CC
12787	676	7	alkali	alkali	JJ
12787	676	8	employed	employ	VBN
12787	676	9	,	,	,
12787	676	10	corrected	correct	VBN
12787	676	11	for	for	IN
12787	676	12	burette	burette	NN
12787	676	13	errors	error	NNS
12787	676	14	and	and	CC
12787	676	15	temperature	temperature	NN
12787	676	16	changes	change	NNS
12787	676	17	,	,	,
12787	676	18	and	and	CC
12787	676	19	the	the	DT
12787	676	20	data	datum	NNS
12787	676	21	derived	derive	VBN
12787	676	22	from	from	IN
12787	676	23	the	the	DT
12787	676	24	standardization	standardization	NN
12787	676	25	,	,	,
12787	676	26	calculate	calculate	VB
12787	676	27	the	the	DT
12787	676	28	percentage	percentage	NN
12787	676	29	of	of	IN
12787	676	30	alkali	alkali	JJ
12787	676	31	present	present	NN
12787	676	32	,	,	,
12787	676	33	assuming	assume	VBG
12787	676	34	it	-PRON-	PRP
12787	676	35	all	all	DT
12787	676	36	to	to	TO
12787	676	37	be	be	VB
12787	676	38	present	present	JJ
12787	676	39	as	as	IN
12787	676	40	sodium	sodium	NN
12787	676	41	carbonate	carbonate	NN
12787	676	42	(	(	-LRB-
12787	676	43	Note	note	NN
12787	676	44	2	2	CD
12787	676	45	)	)	-RRB-
12787	676	46	.	.	.
12787	677	1	[	[	-LRB-
12787	677	2	Note	note	NN
12787	677	3	1	1	CD
12787	677	4	:	:	:
12787	677	5	The	the	DT
12787	677	6	hydrochloric	hydrochloric	JJ
12787	677	7	acid	acid	NN
12787	677	8	sets	set	VBZ
12787	677	9	free	free	JJ
12787	677	10	carbonic	carbonic	JJ
12787	677	11	acid	acid	NN
12787	677	12	which	which	WDT
12787	677	13	is	be	VBZ
12787	677	14	unstable	unstable	JJ
12787	677	15	and	and	CC
12787	677	16	breaks	break	VBZ
12787	677	17	down	down	RP
12787	677	18	into	into	IN
12787	677	19	water	water	NN
12787	677	20	and	and	CC
12787	677	21	carbon	carbon	NN
12787	677	22	dioxide	dioxide	NN
12787	677	23	,	,	,
12787	677	24	most	most	JJS
12787	677	25	of	of	IN
12787	677	26	which	which	WDT
12787	677	27	escapes	escape	VBZ
12787	677	28	from	from	IN
12787	677	29	the	the	DT
12787	677	30	solution	solution	NN
12787	677	31	.	.	.
12787	678	1	Carbonic	carbonic	JJ
12787	678	2	acid	acid	NN
12787	678	3	is	be	VBZ
12787	678	4	a	a	DT
12787	678	5	weak	weak	JJ
12787	678	6	acid	acid	NN
12787	678	7	and	and	CC
12787	678	8	,	,	,
12787	678	9	as	as	IN
12787	678	10	such	such	JJ
12787	678	11	,	,	,
12787	678	12	does	do	VBZ
12787	678	13	not	not	RB
12787	678	14	yield	yield	VB
12787	678	15	a	a	DT
12787	678	16	sufficient	sufficient	JJ
12787	678	17	concentration	concentration	NN
12787	678	18	of	of	IN
12787	678	19	H^{+	H^{+	NNP
12787	678	20	}	}	-RRB-
12787	678	21	ions	ion	NNS
12787	678	22	to	to	TO
12787	678	23	cause	cause	VB
12787	678	24	the	the	DT
12787	678	25	indicator	indicator	NN
12787	678	26	to	to	TO
12787	678	27	change	change	VB
12787	678	28	to	to	IN
12787	678	29	a	a	DT
12787	678	30	pink	pink	NN
12787	678	31	(	(	-LRB-
12787	678	32	see	see	VB
12787	678	33	page	page	NN
12787	678	34	32	32	CD
12787	678	35	)	)	-RRB-
12787	678	36	.	.	.
12787	679	1	The	the	DT
12787	679	2	chemical	chemical	NN
12787	679	3	changes	change	NNS
12787	679	4	involved	involve	VBN
12787	679	5	may	may	MD
12787	679	6	be	be	VB
12787	679	7	summarized	summarize	VBN
12787	679	8	as	as	IN
12787	679	9	follows	follow	VBZ
12787	679	10	:	:	:
12787	679	11	2H^{+	2H^{+	NNP
12787	679	12	}	}	-RRB-
12787	679	13	,	,	,
12787	679	14	2Cl^{-	2cl^{-	CD
12787	679	15	}	}	-RRB-
12787	679	16	+	+	CC
12787	679	17	2Na^{+	2na^{+	CD
12787	679	18	}	}	-RRB-
12787	679	19	,	,	,
12787	679	20	CO_{3}^{--	CO_{3}^{--	NNP
12787	679	21	}	}	-RRB-
12787	679	22	--	--	:
12787	679	23	>	>	XX
12787	679	24	2Na^{+	2na^{+	CD
12787	679	25	}	}	-RRB-
12787	679	26	,	,	,
12787	679	27	2Cl^{-	2cl^{-	CD
12787	679	28	}	}	-RRB-
12787	679	29	+	+	CC
12787	679	30	[	[	-LRB-
12787	679	31	H_{2}CO_{3	H_{2}CO_{3	NNP
12787	679	32	}	}	-RRB-
12787	679	33	]	]	-RRB-
12787	679	34	--	--	:
12787	679	35	>	>	XX
12787	679	36	H_{2}O	H_{2}O	NNP
12787	679	37	+	+	CC
12787	679	38	CO_{2	CO_{2	NNP
12787	679	39	}	}	-RRB-
12787	679	40	]	]	-RRB-
12787	679	41	[	[	-LRB-
12787	679	42	Note	note	NN
12787	679	43	2	2	CD
12787	679	44	:	:	:
12787	679	45	A	a	DT
12787	679	46	determination	determination	NN
12787	679	47	of	of	IN
12787	679	48	the	the	DT
12787	679	49	alkali	alkali	JJ
12787	679	50	present	present	NN
12787	679	51	as	as	IN
12787	679	52	hydroxide	hydroxide	NN
12787	679	53	in	in	IN
12787	679	54	soda	soda	NN
12787	679	55	ash	ash	NNP
12787	679	56	may	may	MD
12787	679	57	be	be	VB
12787	679	58	determined	determine	VBN
12787	679	59	by	by	IN
12787	679	60	precipitating	precipitate	VBG
12787	679	61	the	the	DT
12787	679	62	carbonate	carbonate	NN
12787	679	63	by	by	IN
12787	679	64	the	the	DT
12787	679	65	addition	addition	NN
12787	679	66	of	of	IN
12787	679	67	barium	barium	NN
12787	679	68	chloride	chloride	NN
12787	679	69	,	,	,
12787	679	70	removing	remove	VBG
12787	679	71	the	the	DT
12787	679	72	barium	barium	NN
12787	679	73	carbonate	carbonate	NN
12787	679	74	by	by	IN
12787	679	75	filtration	filtration	NN
12787	679	76	,	,	,
12787	679	77	and	and	CC
12787	679	78	titrating	titrate	VBG
12787	679	79	the	the	DT
12787	679	80	alkali	alkali	JJ
12787	679	81	in	in	IN
12787	679	82	the	the	DT
12787	679	83	filtrate	filtrate	JJ
12787	679	84	.	.	.
12787	680	1	The	the	DT
12787	680	2	caustic	caustic	JJ
12787	680	3	alkali	alkali	NN
12787	680	4	may	may	MD
12787	680	5	also	also	RB
12787	680	6	be	be	VB
12787	680	7	determined	determine	VBN
12787	680	8	by	by	IN
12787	680	9	first	first	RB
12787	680	10	using	use	VBG
12787	680	11	phenolphthalein	phenolphthalein	NN
12787	680	12	as	as	IN
12787	680	13	an	an	DT
12787	680	14	indicator	indicator	NN
12787	680	15	,	,	,
12787	680	16	which	which	WDT
12787	680	17	will	will	MD
12787	680	18	show	show	VB
12787	680	19	by	by	IN
12787	680	20	its	-PRON-	PRP$
12787	680	21	change	change	NN
12787	680	22	from	from	IN
12787	680	23	pink	pink	NN
12787	680	24	to	to	TO
12787	680	25	colorless	colorless	VB
12787	680	26	the	the	DT
12787	680	27	point	point	NN
12787	680	28	at	at	IN
12787	680	29	which	which	WDT
12787	680	30	the	the	DT
12787	680	31	caustic	caustic	JJ
12787	680	32	alkali	alkali	NN
12787	680	33	has	have	VBZ
12787	680	34	been	be	VBN
12787	680	35	neutralized	neutralize	VBN
12787	680	36	and	and	CC
12787	680	37	the	the	DT
12787	680	38	carbonate	carbonate	NN
12787	680	39	has	have	VBZ
12787	680	40	been	be	VBN
12787	680	41	converted	convert	VBN
12787	680	42	to	to	IN
12787	680	43	bicarbonate	bicarbonate	VB
12787	680	44	,	,	,
12787	680	45	and	and	CC
12787	680	46	then	then	RB
12787	680	47	adding	add	VBG
12787	680	48	methyl	methyl	NN
12787	680	49	orange	orange	NN
12787	680	50	and	and	CC
12787	680	51	completing	complete	VBG
12787	680	52	the	the	DT
12787	680	53	titration	titration	NN
12787	680	54	.	.	.
12787	681	1	The	the	DT
12787	681	2	amount	amount	NN
12787	681	3	of	of	IN
12787	681	4	acid	acid	NN
12787	681	5	necessary	necessary	JJ
12787	681	6	to	to	TO
12787	681	7	change	change	VB
12787	681	8	the	the	DT
12787	681	9	methyl	methyl	NN
12787	681	10	orange	orange	NN
12787	681	11	to	to	IN
12787	681	12	pink	pink	JJ
12787	681	13	is	be	VBZ
12787	681	14	a	a	DT
12787	681	15	measure	measure	NN
12787	681	16	of	of	IN
12787	681	17	one	one	CD
12787	681	18	half	half	NN
12787	681	19	of	of	IN
12787	681	20	the	the	DT
12787	681	21	carbonate	carbonate	JJ
12787	681	22	present	present	NN
12787	681	23	.	.	.
12787	682	1	The	the	DT
12787	682	2	results	result	NNS
12787	682	3	of	of	IN
12787	682	4	the	the	DT
12787	682	5	double	double	JJ
12787	682	6	titration	titration	NN
12787	682	7	furnish	furnish	VBP
12787	682	8	the	the	DT
12787	682	9	data	datum	NNS
12787	682	10	necessary	necessary	JJ
12787	682	11	for	for	IN
12787	682	12	the	the	DT
12787	682	13	determination	determination	NN
12787	682	14	of	of	IN
12787	682	15	the	the	DT
12787	682	16	caustic	caustic	JJ
12787	682	17	alkali	alkali	NNP
12787	682	18	and	and	CC
12787	682	19	of	of	IN
12787	682	20	the	the	DT
12787	682	21	carbonate	carbonate	NN
12787	682	22	in	in	IN
12787	682	23	the	the	DT
12787	682	24	sample	sample	NN
12787	682	25	.	.	.
12787	682	26	]	]	-RRB-
12787	683	1	DETERMINATION	determination	NN
12787	683	2	OF	of	IN
12787	683	3	THE	the	DT
12787	683	4	ACID	ACID	NNP
12787	683	5	STRENGTH	STRENGTH	NNP
12787	683	6	OF	of	IN
12787	683	7	OXALIC	OXALIC	NNP
12787	683	8	ACID	ACID	NNP
12787	683	9	PROCEDURE.--Weigh	procedure.--weigh	RB
12787	683	10	out	out	RB
12787	683	11	two	two	CD
12787	683	12	portions	portion	NNS
12787	683	13	of	of	IN
12787	683	14	the	the	DT
12787	683	15	acid	acid	NN
12787	683	16	of	of	IN
12787	683	17	about	about	RB
12787	683	18	1	1	CD
12787	683	19	gram	gram	NN
12787	683	20	each	each	DT
12787	683	21	.	.	.
12787	684	1	Dissolve	dissolve	VB
12787	684	2	these	these	DT
12787	684	3	in	in	IN
12787	684	4	50	50	CD
12787	684	5	cc	cc	NN
12787	684	6	.	.	.
12787	685	1	of	of	IN
12787	685	2	warm	warm	JJ
12787	685	3	water	water	NN
12787	685	4	.	.	.
12787	686	1	Add	add	VB
12787	686	2	two	two	CD
12787	686	3	drops	drop	NNS
12787	686	4	of	of	IN
12787	686	5	phenolphthalein	phenolphthalein	NN
12787	686	6	solution	solution	NN
12787	686	7	,	,	,
12787	686	8	and	and	CC
12787	686	9	run	run	VB
12787	686	10	in	in	IN
12787	686	11	alkali	alkali	NNP
12787	686	12	from	from	IN
12787	686	13	the	the	DT
12787	686	14	burette	burette	NN
12787	686	15	until	until	IN
12787	686	16	the	the	DT
12787	686	17	solution	solution	NN
12787	686	18	is	be	VBZ
12787	686	19	pink	pink	JJ
12787	686	20	;	;	:
12787	686	21	add	add	VB
12787	686	22	acid	acid	NN
12787	686	23	from	from	IN
12787	686	24	the	the	DT
12787	686	25	other	other	JJ
12787	686	26	burette	burette	NN
12787	686	27	until	until	IN
12787	686	28	the	the	DT
12787	686	29	pink	pink	NN
12787	686	30	is	be	VBZ
12787	686	31	just	just	RB
12787	686	32	destroyed	destroy	VBN
12787	686	33	,	,	,
12787	686	34	and	and	CC
12787	686	35	then	then	RB
12787	686	36	add	add	VB
12787	686	37	0.3	0.3	CD
12787	686	38	cc	cc	NN
12787	686	39	.	.	.
12787	687	1	(	(	-LRB-
12787	687	2	not	not	RB
12787	687	3	more	more	JJR
12787	687	4	)	)	-RRB-
12787	687	5	in	in	IN
12787	687	6	excess	excess	NN
12787	687	7	.	.	.
12787	688	1	Heat	heat	VB
12787	688	2	the	the	DT
12787	688	3	solution	solution	NN
12787	688	4	to	to	IN
12787	688	5	boiling	boil	VBG
12787	688	6	for	for	IN
12787	688	7	three	three	CD
12787	688	8	minutes	minute	NNS
12787	688	9	.	.	.
12787	689	1	If	if	IN
12787	689	2	the	the	DT
12787	689	3	pink	pink	JJ
12787	689	4	returns	return	NNS
12787	689	5	during	during	IN
12787	689	6	the	the	DT
12787	689	7	boiling	boiling	NN
12787	689	8	,	,	,
12787	689	9	discharge	discharge	VB
12787	689	10	it	-PRON-	PRP
12787	689	11	with	with	IN
12787	689	12	acid	acid	NN
12787	689	13	and	and	CC
12787	689	14	again	again	RB
12787	689	15	add	add	VB
12787	689	16	0.3	0.3	CD
12787	689	17	cc	cc	NN
12787	689	18	.	.	.
12787	690	1	in	in	IN
12787	690	2	excess	excess	NN
12787	690	3	and	and	CC
12787	690	4	repeat	repeat	VB
12787	690	5	the	the	DT
12787	690	6	boiling	boiling	NN
12787	690	7	(	(	-LRB-
12787	690	8	Note	note	NN
12787	690	9	1	1	CD
12787	690	10	)	)	-RRB-
12787	690	11	.	.	.
12787	691	1	If	if	IN
12787	691	2	the	the	DT
12787	691	3	color	color	NN
12787	691	4	does	do	VBZ
12787	691	5	not	not	RB
12787	691	6	then	then	RB
12787	691	7	reappear	reappear	VB
12787	691	8	,	,	,
12787	691	9	add	add	VB
12787	691	10	alkali	alkali	JJ
12787	691	11	until	until	IN
12787	691	12	it	-PRON-	PRP
12787	691	13	does	do	VBZ
12787	691	14	,	,	,
12787	691	15	and	and	CC
12787	691	16	a	a	DT
12787	691	17	!	!	.
12787	691	18	drop	drop	NN
12787	691	19	or	or	CC
12787	691	20	two	two	CD
12787	691	21	!	!	.
12787	692	1	of	of	IN
12787	692	2	acid	acid	NN
12787	692	3	in	in	IN
12787	692	4	excess	excess	NN
12787	692	5	and	and	CC
12787	692	6	boil	boil	VB
12787	692	7	again	again	RB
12787	692	8	for	for	IN
12787	692	9	one	one	CD
12787	692	10	minute	minute	NN
12787	692	11	(	(	-LRB-
12787	692	12	Note	note	NN
12787	692	13	2	2	CD
12787	692	14	)	)	-RRB-
12787	692	15	.	.	.
12787	693	1	If	if	IN
12787	693	2	no	no	DT
12787	693	3	color	color	NN
12787	693	4	reappears	reappear	NNS
12787	693	5	during	during	IN
12787	693	6	this	this	DT
12787	693	7	time	time	NN
12787	693	8	,	,	,
12787	693	9	complete	complete	VB
12787	693	10	the	the	DT
12787	693	11	titration	titration	NN
12787	693	12	in	in	IN
12787	693	13	the	the	DT
12787	693	14	hot	hot	JJ
12787	693	15	solution	solution	NN
12787	693	16	.	.	.
12787	694	1	The	the	DT
12787	694	2	end	end	NN
12787	694	3	-	-	HYPH
12787	694	4	point	point	NN
12787	694	5	should	should	MD
12787	694	6	be	be	VB
12787	694	7	the	the	DT
12787	694	8	faintest	faint	JJS
12787	694	9	visible	visible	JJ
12787	694	10	shade	shade	NN
12787	694	11	of	of	IN
12787	694	12	color	color	NN
12787	694	13	(	(	-LRB-
12787	694	14	or	or	CC
12787	694	15	its	-PRON-	PRP$
12787	694	16	disappearance	disappearance	NN
12787	694	17	)	)	-RRB-
12787	694	18	,	,	,
12787	694	19	as	as	IN
12787	694	20	the	the	DT
12787	694	21	same	same	JJ
12787	694	22	difficulty	difficulty	NN
12787	694	23	would	would	MD
12787	694	24	exist	exist	VB
12787	694	25	here	here	RB
12787	694	26	as	as	IN
12787	694	27	with	with	IN
12787	694	28	methyl	methyl	NN
12787	694	29	orange	orange	NN
12787	694	30	if	if	IN
12787	694	31	an	an	DT
12787	694	32	attempt	attempt	NN
12787	694	33	were	be	VBD
12787	694	34	made	make	VBN
12787	694	35	to	to	TO
12787	694	36	match	match	VB
12787	694	37	shades	shade	NNS
12787	694	38	of	of	IN
12787	694	39	pink	pink	NN
12787	694	40	.	.	.
12787	695	1	From	from	IN
12787	695	2	the	the	DT
12787	695	3	corrected	correct	VBN
12787	695	4	volume	volume	NN
12787	695	5	of	of	IN
12787	695	6	alkali	alkali	JJ
12787	695	7	required	require	VBN
12787	695	8	to	to	TO
12787	695	9	react	react	VB
12787	695	10	with	with	IN
12787	695	11	the	the	DT
12787	695	12	oxalic	oxalic	JJ
12787	695	13	acid	acid	NN
12787	695	14	,	,	,
12787	695	15	calculate	calculate	VBP
12787	695	16	the	the	DT
12787	695	17	percentage	percentage	NN
12787	695	18	of	of	IN
12787	695	19	the	the	DT
12787	695	20	crystallized	crystallized	JJ
12787	695	21	acid	acid	NN
12787	695	22	(	(	-LRB-
12787	695	23	H_{2}C_{2}O_{4}.2H_{2}O	h_{2}c_{2}o_{4}.2h_{2}o	UH
12787	695	24	)	)	-RRB-
12787	695	25	in	in	IN
12787	695	26	the	the	DT
12787	695	27	sample	sample	NN
12787	695	28	(	(	-LRB-
12787	695	29	Note	note	NN
12787	695	30	3	3	CD
12787	695	31	)	)	-RRB-
12787	695	32	.	.	.
12787	696	1	[	[	-LRB-
12787	696	2	Note	note	NN
12787	696	3	1	1	CD
12787	696	4	:	:	:
12787	696	5	All	all	DT
12787	696	6	commercial	commercial	JJ
12787	696	7	caustic	caustic	JJ
12787	696	8	soda	soda	NN
12787	696	9	such	such	JJ
12787	696	10	as	as	IN
12787	696	11	that	that	DT
12787	696	12	from	from	IN
12787	696	13	which	which	WDT
12787	696	14	the	the	DT
12787	696	15	standard	standard	JJ
12787	696	16	solution	solution	NN
12787	696	17	was	be	VBD
12787	696	18	made	make	VBN
12787	696	19	contains	contain	VBZ
12787	696	20	some	some	DT
12787	696	21	sodium	sodium	NN
12787	696	22	carbonate	carbonate	NN
12787	696	23	.	.	.
12787	697	1	This	this	DT
12787	697	2	reacts	react	VBZ
12787	697	3	with	with	IN
12787	697	4	the	the	DT
12787	697	5	oxalic	oxalic	JJ
12787	697	6	acid	acid	NN
12787	697	7	,	,	,
12787	697	8	setting	set	VBG
12787	697	9	free	free	JJ
12787	697	10	carbonic	carbonic	JJ
12787	697	11	acid	acid	NN
12787	697	12	,	,	,
12787	697	13	which	which	WDT
12787	697	14	,	,	,
12787	697	15	in	in	IN
12787	697	16	turn	turn	NN
12787	697	17	,	,	,
12787	697	18	forms	form	NNS
12787	697	19	sodium	sodium	NN
12787	697	20	bicarbonate	bicarbonate	NN
12787	697	21	with	with	IN
12787	697	22	the	the	DT
12787	697	23	remaining	remain	VBG
12787	697	24	carbonate	carbonate	NN
12787	697	25	:	:	:
12787	697	26	H_{2}CO_{3	h_{2}co_{3	LS
12787	697	27	}	}	-RRB-
12787	697	28	+	+	NNP
12787	697	29	Na_{2}CO_{3	Na_{2}CO_{3	NNP
12787	697	30	}	}	-RRB-
12787	697	31	--	--	:
12787	697	32	>	>	XX
12787	697	33	2HNaCO_{3	2hnaco_{3	NN
12787	697	34	}	}	-RRB-
12787	697	35	.	.	.
12787	698	1	This	this	DT
12787	698	2	compound	compound	NN
12787	698	3	does	do	VBZ
12787	698	4	not	not	RB
12787	698	5	hydrolyze	hydrolyze	VB
12787	698	6	sufficiently	sufficiently	RB
12787	698	7	to	to	TO
12787	698	8	furnish	furnish	VB
12787	698	9	enough	enough	JJ
12787	698	10	OH^{-	oh^{-	CD
12787	698	11	}	}	-RRB-
12787	698	12	ions	ion	NNS
12787	698	13	to	to	TO
12787	698	14	cause	cause	VB
12787	698	15	phenolphthalein	phenolphthalein	NNP
12787	698	16	to	to	TO
12787	698	17	remain	remain	VB
12787	698	18	pink	pink	JJ
12787	698	19	;	;	:
12787	698	20	hence	hence	RB
12787	698	21	,	,	,
12787	698	22	the	the	DT
12787	698	23	color	color	NN
12787	698	24	of	of	IN
12787	698	25	the	the	DT
12787	698	26	indicator	indicator	NN
12787	698	27	is	be	VBZ
12787	698	28	discharged	discharge	VBN
12787	698	29	in	in	IN
12787	698	30	cold	cold	JJ
12787	698	31	solutions	solution	NNS
12787	698	32	at	at	IN
12787	698	33	the	the	DT
12787	698	34	point	point	NN
12787	698	35	at	at	IN
12787	698	36	which	which	WDT
12787	698	37	bicarbonate	bicarbonate	NNP
12787	698	38	is	be	VBZ
12787	698	39	formed	form	VBN
12787	698	40	.	.	.
12787	699	1	If	if	IN
12787	699	2	,	,	,
12787	699	3	however	however	RB
12787	699	4	,	,	,
12787	699	5	the	the	DT
12787	699	6	solution	solution	NN
12787	699	7	is	be	VBZ
12787	699	8	heated	heat	VBN
12787	699	9	to	to	IN
12787	699	10	boiling	boil	VBG
12787	699	11	,	,	,
12787	699	12	the	the	DT
12787	699	13	bicarbonate	bicarbonate	NN
12787	699	14	loses	lose	VBZ
12787	699	15	carbon	carbon	NN
12787	699	16	dioxide	dioxide	NN
12787	699	17	and	and	CC
12787	699	18	water	water	NN
12787	699	19	,	,	,
12787	699	20	and	and	CC
12787	699	21	reverts	revert	VBZ
12787	699	22	to	to	IN
12787	699	23	sodium	sodium	NN
12787	699	24	carbonate	carbonate	NN
12787	699	25	,	,	,
12787	699	26	which	which	WDT
12787	699	27	causes	cause	VBZ
12787	699	28	the	the	DT
12787	699	29	indicator	indicator	NN
12787	699	30	to	to	TO
12787	699	31	become	become	VB
12787	699	32	again	again	RB
12787	699	33	pink	pink	JJ
12787	699	34	:	:	:
12787	699	35	2HNaCO_{3	2hnaco_{3	LS
12787	699	36	}	}	-RRB-
12787	699	37	--	--	:
12787	699	38	>	>	XX
12787	699	39	H_{2}O	H_{2}O	NNP
12787	699	40	+	+	CC
12787	699	41	CO_{2	CO_{2	NNP
12787	699	42	}	}	-RRB-
12787	699	43	+	+	NNP
12787	699	44	Na_{2}CO_{3	Na_{2}CO_{3	NNP
12787	699	45	}	}	-RRB-
12787	699	46	.	.	.
12787	700	1	By	by	IN
12787	700	2	adding	add	VBG
12787	700	3	successive	successive	JJ
12787	700	4	portions	portion	NNS
12787	700	5	of	of	IN
12787	700	6	hydrochloric	hydrochloric	JJ
12787	700	7	acid	acid	NN
12787	700	8	and	and	CC
12787	700	9	boiling	boiling	NN
12787	700	10	,	,	,
12787	700	11	the	the	DT
12787	700	12	carbonate	carbonate	NN
12787	700	13	is	be	VBZ
12787	700	14	ultimately	ultimately	RB
12787	700	15	all	all	DT
12787	700	16	brought	bring	VBN
12787	700	17	into	into	IN
12787	700	18	reaction	reaction	NN
12787	700	19	.	.	.
12787	701	1	The	the	DT
12787	701	2	student	student	NN
12787	701	3	should	should	MD
12787	701	4	make	make	VB
12787	701	5	sure	sure	JJ
12787	701	6	that	that	IN
12787	701	7	the	the	DT
12787	701	8	difference	difference	NN
12787	701	9	in	in	IN
12787	701	10	behavior	behavior	NN
12787	701	11	of	of	IN
12787	701	12	the	the	DT
12787	701	13	two	two	CD
12787	701	14	indicators	indicator	NNS
12787	701	15	,	,	,
12787	701	16	methyl	methyl	NNP
12787	701	17	orange	orange	NNP
12787	701	18	and	and	CC
12787	701	19	phenolphthalein	phenolphthalein	NNP
12787	701	20	,	,	,
12787	701	21	is	be	VBZ
12787	701	22	understood	understand	VBN
12787	701	23	.	.	.
12787	701	24	]	]	-RRB-
12787	702	1	[	[	-LRB-
12787	702	2	Note	note	NN
12787	702	3	2	2	CD
12787	702	4	:	:	:
12787	702	5	Hydrochloric	hydrochloric	JJ
12787	702	6	acid	acid	NN
12787	702	7	is	be	VBZ
12787	702	8	volatilized	volatilize	VBN
12787	702	9	from	from	IN
12787	702	10	aqueous	aqueous	JJ
12787	702	11	solutions	solution	NNS
12787	702	12	,	,	,
12787	702	13	except	except	IN
12787	702	14	such	such	JJ
12787	702	15	as	as	IN
12787	702	16	are	be	VBP
12787	702	17	very	very	RB
12787	702	18	dilute	dilute	JJ
12787	702	19	.	.	.
12787	703	1	If	if	IN
12787	703	2	the	the	DT
12787	703	3	directions	direction	NNS
12787	703	4	in	in	IN
12787	703	5	the	the	DT
12787	703	6	procedure	procedure	NN
12787	703	7	are	be	VBP
12787	703	8	strictly	strictly	RB
12787	703	9	followed	follow	VBN
12787	703	10	,	,	,
12787	703	11	no	no	DT
12787	703	12	loss	loss	NN
12787	703	13	of	of	IN
12787	703	14	acid	acid	NN
12787	703	15	need	nee	MD
12787	703	16	be	be	VB
12787	703	17	feared	fear	VBN
12787	703	18	,	,	,
12787	703	19	but	but	CC
12787	703	20	the	the	DT
12787	703	21	amount	amount	NN
12787	703	22	added	add	VBN
12787	703	23	in	in	IN
12787	703	24	excess	excess	NN
12787	703	25	should	should	MD
12787	703	26	not	not	RB
12787	703	27	be	be	VB
12787	703	28	greater	great	JJR
12787	703	29	than	than	IN
12787	703	30	0.3	0.3	CD
12787	703	31	-	-	SYM
12787	703	32	0.4	0.4	CD
12787	703	33	cc	cc	NNP
12787	703	34	.	.	.
12787	703	35	]	]	-RRB-
12787	704	1	[	[	-LRB-
12787	704	2	Note	note	NN
12787	704	3	3	3	CD
12787	704	4	:	:	:
12787	704	5	Attention	attention	NN
12787	704	6	has	have	VBZ
12787	704	7	already	already	RB
12787	704	8	been	be	VBN
12787	704	9	called	call	VBN
12787	704	10	to	to	IN
12787	704	11	the	the	DT
12787	704	12	fact	fact	NN
12787	704	13	that	that	IN
12787	704	14	the	the	DT
12787	704	15	color	color	NN
12787	704	16	changes	change	NNS
12787	704	17	in	in	IN
12787	704	18	the	the	DT
12787	704	19	different	different	JJ
12787	704	20	indicators	indicator	NNS
12787	704	21	occur	occur	VBP
12787	704	22	at	at	IN
12787	704	23	varying	vary	VBG
12787	704	24	concentrations	concentration	NNS
12787	704	25	of	of	IN
12787	704	26	H^{+	H^{+	NNP
12787	704	27	}	}	-RRB-
12787	704	28	or	or	CC
12787	704	29	OH^{-	oh^{-	CD
12787	704	30	}	}	-RRB-
12787	704	31	ions	ion	NNS
12787	704	32	.	.	.
12787	705	1	They	-PRON-	PRP
12787	705	2	do	do	VBP
12787	705	3	not	not	RB
12787	705	4	indicate	indicate	VB
12787	705	5	exact	exact	JJ
12787	705	6	theoretical	theoretical	JJ
12787	705	7	neutrality	neutrality	NN
12787	705	8	,	,	,
12787	705	9	but	but	CC
12787	705	10	a	a	DT
12787	705	11	particular	particular	JJ
12787	705	12	indicator	indicator	NN
12787	705	13	always	always	RB
12787	705	14	shows	show	VBZ
12787	705	15	its	-PRON-	PRP$
12787	705	16	color	color	NN
12787	705	17	change	change	NN
12787	705	18	at	at	IN
12787	705	19	a	a	DT
12787	705	20	particular	particular	JJ
12787	705	21	concentration	concentration	NN
12787	705	22	of	of	IN
12787	705	23	H^{+	H^{+	NNP
12787	705	24	}	}	-RRB-
12787	705	25	or	or	CC
12787	705	26	OH^{-	oh^{-	CD
12787	705	27	}	}	-RRB-
12787	705	28	ions	ion	NNS
12787	705	29	.	.	.
12787	706	1	The	the	DT
12787	706	2	results	result	NNS
12787	706	3	of	of	IN
12787	706	4	titration	titration	NN
12787	706	5	with	with	IN
12787	706	6	a	a	DT
12787	706	7	given	give	VBN
12787	706	8	indicator	indicator	NN
12787	706	9	are	be	VBP
12787	706	10	,	,	,
12787	706	11	therefore	therefore	RB
12787	706	12	,	,	,
12787	706	13	comparable	comparable	JJ
12787	706	14	.	.	.
12787	707	1	As	as	IN
12787	707	2	a	a	DT
12787	707	3	matter	matter	NN
12787	707	4	of	of	IN
12787	707	5	fact	fact	NN
12787	707	6	,	,	,
12787	707	7	a	a	DT
12787	707	8	small	small	JJ
12787	707	9	error	error	NN
12787	707	10	is	be	VBZ
12787	707	11	involved	involve	VBN
12787	707	12	in	in	IN
12787	707	13	the	the	DT
12787	707	14	procedure	procedure	NN
12787	707	15	as	as	IN
12787	707	16	outlined	outline	VBN
12787	707	17	above	above	RB
12787	707	18	.	.	.
12787	708	1	The	the	DT
12787	708	2	comparison	comparison	NN
12787	708	3	of	of	IN
12787	708	4	the	the	DT
12787	708	5	acid	acid	NN
12787	708	6	and	and	CC
12787	708	7	alkali	alkali	JJ
12787	708	8	solutions	solution	NNS
12787	708	9	was	be	VBD
12787	708	10	made	make	VBN
12787	708	11	,	,	,
12787	708	12	using	use	VBG
12787	708	13	methyl	methyl	NN
12787	708	14	orange	orange	NN
12787	708	15	as	as	IN
12787	708	16	an	an	DT
12787	708	17	indicator	indicator	NN
12787	708	18	,	,	,
12787	708	19	while	while	IN
12787	708	20	the	the	DT
12787	708	21	titration	titration	NN
12787	708	22	of	of	IN
12787	708	23	the	the	DT
12787	708	24	oxalic	oxalic	JJ
12787	708	25	acid	acid	NN
12787	708	26	is	be	VBZ
12787	708	27	made	make	VBN
12787	708	28	with	with	IN
12787	708	29	the	the	DT
12787	708	30	use	use	NN
12787	708	31	of	of	IN
12787	708	32	phenolphthalein	phenolphthalein	NN
12787	708	33	.	.	.
12787	709	1	For	for	IN
12787	709	2	our	-PRON-	PRP$
12787	709	3	present	present	JJ
12787	709	4	purposes	purpose	NNS
12787	709	5	the	the	DT
12787	709	6	small	small	JJ
12787	709	7	error	error	NN
12787	709	8	may	may	MD
12787	709	9	be	be	VB
12787	709	10	neglected	neglect	VBN
12787	709	11	but	but	CC
12787	709	12	,	,	,
12787	709	13	if	if	IN
12787	709	14	time	time	NN
12787	709	15	permits	permit	VBZ
12787	709	16	,	,	,
12787	709	17	the	the	DT
12787	709	18	student	student	NN
12787	709	19	is	be	VBZ
12787	709	20	recommended	recommend	VBN
12787	709	21	to	to	TO
12787	709	22	standardize	standardize	VB
12787	709	23	the	the	DT
12787	709	24	alkali	alkali	JJ
12787	709	25	solution	solution	NN
12787	709	26	against	against	IN
12787	709	27	one	one	CD
12787	709	28	of	of	IN
12787	709	29	the	the	DT
12787	709	30	substances	substance	NNS
12787	709	31	named	name	VBN
12787	709	32	in	in	IN
12787	709	33	Note	Note	NNP
12787	709	34	1	1	CD
12787	709	35	,	,	,
12787	709	36	page	page	NN
12787	709	37	41	41	CD
12787	709	38	,	,	,
12787	709	39	and	and	CC
12787	709	40	also	also	RB
12787	709	41	to	to	TO
12787	709	42	ascertain	ascertain	VB
12787	709	43	the	the	DT
12787	709	44	comparative	comparative	JJ
12787	709	45	value	value	NN
12787	709	46	of	of	IN
12787	709	47	the	the	DT
12787	709	48	acid	acid	NN
12787	709	49	and	and	CC
12787	709	50	alkali	alkali	JJ
12787	709	51	solutions	solution	NNS
12787	709	52	,	,	,
12787	709	53	using	use	VBG
12787	709	54	phenolphthalein	phenolphthalein	NN
12787	709	55	as	as	IN
12787	709	56	indicator	indicator	NN
12787	709	57	throughout	throughout	IN
12787	709	58	,	,	,
12787	709	59	and	and	CC
12787	709	60	conducting	conduct	VBG
12787	709	61	the	the	DT
12787	709	62	titrations	titration	NNS
12787	709	63	as	as	IN
12787	709	64	described	describe	VBN
12787	709	65	above	above	RB
12787	709	66	.	.	.
12787	710	1	This	this	DT
12787	710	2	will	will	MD
12787	710	3	insure	insure	VB
12787	710	4	complete	complete	JJ
12787	710	5	accuracy	accuracy	NN
12787	710	6	.	.	.
12787	710	7	]	]	-RRB-
12787	711	1	II	ii	CD
12787	711	2	.	.	.
12787	712	1	OXIDATION	oxidation	NN
12787	712	2	PROCESSES	process	NNS
12787	712	3	GENERAL	general	VBP
12787	712	4	DISCUSSION	discussion	NN
12787	712	5	In	in	IN
12787	712	6	the	the	DT
12787	712	7	oxidation	oxidation	NN
12787	712	8	processes	process	NNS
12787	712	9	of	of	IN
12787	712	10	volumetric	volumetric	JJ
12787	712	11	analysis	analysis	NN
12787	712	12	standard	standard	JJ
12787	712	13	solutions	solution	NNS
12787	712	14	of	of	IN
12787	712	15	oxidizing	oxidizing	JJ
12787	712	16	agents	agent	NNS
12787	712	17	and	and	CC
12787	712	18	of	of	IN
12787	712	19	reducing	reduce	VBG
12787	712	20	agents	agent	NNS
12787	712	21	take	take	VBP
12787	712	22	the	the	DT
12787	712	23	place	place	NN
12787	712	24	of	of	IN
12787	712	25	the	the	DT
12787	712	26	acid	acid	NN
12787	712	27	and	and	CC
12787	712	28	alkali	alkali	JJ
12787	712	29	solutions	solution	NNS
12787	712	30	of	of	IN
12787	712	31	the	the	DT
12787	712	32	neutralization	neutralization	NN
12787	712	33	processes	process	VBZ
12787	712	34	already	already	RB
12787	712	35	studied	study	VBN
12787	712	36	.	.	.
12787	713	1	Just	just	RB
12787	713	2	as	as	IN
12787	713	3	an	an	DT
12787	713	4	acid	acid	NN
12787	713	5	solution	solution	NN
12787	713	6	was	be	VBD
12787	713	7	the	the	DT
12787	713	8	principal	principal	JJ
12787	713	9	reagent	reagent	NN
12787	713	10	in	in	IN
12787	713	11	alkalimetry	alkalimetry	NN
12787	713	12	,	,	,
12787	713	13	and	and	CC
12787	713	14	the	the	DT
12787	713	15	alkali	alkali	JJ
12787	713	16	solution	solution	NN
12787	713	17	used	use	VBD
12787	713	18	only	only	RB
12787	713	19	to	to	TO
12787	713	20	make	make	VB
12787	713	21	certain	certain	JJ
12787	713	22	of	of	IN
12787	713	23	the	the	DT
12787	713	24	end	end	NN
12787	713	25	-	-	HYPH
12787	713	26	point	point	NN
12787	713	27	,	,	,
12787	713	28	the	the	DT
12787	713	29	solution	solution	NN
12787	713	30	of	of	IN
12787	713	31	the	the	DT
12787	713	32	oxidizing	oxidizing	JJ
12787	713	33	agent	agent	NN
12787	713	34	is	be	VBZ
12787	713	35	the	the	DT
12787	713	36	principal	principal	JJ
12787	713	37	reagent	reagent	NN
12787	713	38	for	for	IN
12787	713	39	the	the	DT
12787	713	40	titration	titration	NN
12787	713	41	of	of	IN
12787	713	42	substances	substance	NNS
12787	713	43	exerting	exert	VBG
12787	713	44	a	a	DT
12787	713	45	reducing	reduce	VBG
12787	713	46	action	action	NN
12787	713	47	.	.	.
12787	714	1	It	-PRON-	PRP
12787	714	2	is	be	VBZ
12787	714	3	,	,	,
12787	714	4	in	in	IN
12787	714	5	general	general	JJ
12787	714	6	,	,	,
12787	714	7	true	true	JJ
12787	714	8	that	that	IN
12787	714	9	oxidizable	oxidizable	JJ
12787	714	10	substances	substance	NNS
12787	714	11	are	be	VBP
12787	714	12	determined	determine	VBN
12787	714	13	by	by	IN
12787	714	14	!	!	.
12787	714	15	direct	direct	JJ
12787	714	16	!	!	.
12787	715	1	titration	titration	NN
12787	715	2	,	,	,
12787	715	3	while	while	IN
12787	715	4	oxidizing	oxidizing	JJ
12787	715	5	substances	substance	NNS
12787	715	6	are	be	VBP
12787	715	7	determined	determine	VBN
12787	715	8	by	by	IN
12787	715	9	!	!	.
12787	715	10	indirect	indirect	JJ
12787	715	11	!	!	.
12787	716	1	titration	titration	NN
12787	716	2	.	.	.
12787	717	1	The	the	DT
12787	717	2	important	important	JJ
12787	717	3	oxidizing	oxidizing	JJ
12787	717	4	agents	agent	NNS
12787	717	5	employed	employ	VBN
12787	717	6	in	in	IN
12787	717	7	volumetric	volumetric	NN
12787	717	8	solutions	solution	NNS
12787	717	9	are	be	VBP
12787	717	10	potassium	potassium	NN
12787	717	11	bichromate	bichromate	NN
12787	717	12	,	,	,
12787	717	13	potassium	potassium	NN
12787	717	14	permangenate	permangenate	NN
12787	717	15	,	,	,
12787	717	16	potassium	potassium	NN
12787	717	17	ferricyanide	ferricyanide	NN
12787	717	18	,	,	,
12787	717	19	iodine	iodine	NN
12787	717	20	,	,	,
12787	717	21	ferric	ferric	JJ
12787	717	22	chloride	chloride	NN
12787	717	23	,	,	,
12787	717	24	and	and	CC
12787	717	25	sodium	sodium	NN
12787	717	26	hypochlorite	hypochlorite	NN
12787	717	27	.	.	.
12787	718	1	The	the	DT
12787	718	2	important	important	JJ
12787	718	3	reducing	reduce	VBG
12787	718	4	agents	agent	NNS
12787	718	5	which	which	WDT
12787	718	6	are	be	VBP
12787	718	7	used	use	VBN
12787	718	8	in	in	IN
12787	718	9	the	the	DT
12787	718	10	form	form	NN
12787	718	11	of	of	IN
12787	718	12	standard	standard	JJ
12787	718	13	solutions	solution	NNS
12787	718	14	are	be	VBP
12787	718	15	ferrous	ferrous	JJ
12787	718	16	sulphate	sulphate	NN
12787	718	17	(	(	-LRB-
12787	718	18	or	or	CC
12787	718	19	ferrous	ferrous	JJ
12787	718	20	ammonium	ammonium	NN
12787	718	21	sulphate	sulphate	NN
12787	718	22	)	)	-RRB-
12787	718	23	,	,	,
12787	718	24	oxalic	oxalic	JJ
12787	718	25	acid	acid	NN
12787	718	26	,	,	,
12787	718	27	sodium	sodium	NN
12787	718	28	thiosulphate	thiosulphate	NN
12787	718	29	,	,	,
12787	718	30	stannous	stannous	JJ
12787	718	31	chloride	chloride	NN
12787	718	32	,	,	,
12787	718	33	arsenious	arsenious	JJ
12787	718	34	acid	acid	NN
12787	718	35	,	,	,
12787	718	36	and	and	CC
12787	718	37	potassium	potassium	NN
12787	718	38	cyanide	cyanide	NN
12787	718	39	.	.	.
12787	719	1	Other	other	JJ
12787	719	2	reducing	reduce	VBG
12787	719	3	agents	agent	NNS
12787	719	4	,	,	,
12787	719	5	as	as	IN
12787	719	6	sulphurous	sulphurous	JJ
12787	719	7	acid	acid	NN
12787	719	8	,	,	,
12787	719	9	sulphureted	sulphurete	VBN
12787	719	10	hydrogen	hydrogen	NN
12787	719	11	,	,	,
12787	719	12	and	and	CC
12787	719	13	zinc	zinc	NN
12787	719	14	(	(	-LRB-
12787	719	15	nascent	nascent	JJ
12787	719	16	hydrogen	hydrogen	NN
12787	719	17	)	)	-RRB-
12787	719	18	,	,	,
12787	719	19	may	may	MD
12787	719	20	take	take	VB
12787	719	21	part	part	NN
12787	719	22	in	in	IN
12787	719	23	the	the	DT
12787	719	24	processes	process	NNS
12787	719	25	,	,	,
12787	719	26	but	but	CC
12787	719	27	not	not	RB
12787	719	28	as	as	IN
12787	719	29	standard	standard	JJ
12787	719	30	solutions	solution	NNS
12787	719	31	.	.	.
12787	720	1	The	the	DT
12787	720	2	most	most	RBS
12787	720	3	important	important	JJ
12787	720	4	combinations	combination	NNS
12787	720	5	among	among	IN
12787	720	6	the	the	DT
12787	720	7	foregoing	foregoing	NN
12787	720	8	are	be	VBP
12787	720	9	:	:	:
12787	720	10	Potassium	potassium	NN
12787	720	11	bichromate	bichromate	NN
12787	720	12	and	and	CC
12787	720	13	ferrous	ferrous	JJ
12787	720	14	salts	salt	NNS
12787	720	15	;	;	,
12787	720	16	potassium	potassium	NN
12787	720	17	permanganate	permanganate	JJ
12787	720	18	and	and	CC
12787	720	19	ferrous	ferrous	JJ
12787	720	20	salts	salt	NNS
12787	720	21	;	;	,
12787	720	22	potassium	potassium	NN
12787	720	23	permanganate	permanganate	JJ
12787	720	24	and	and	CC
12787	720	25	oxalic	oxalic	JJ
12787	720	26	acid	acid	NN
12787	720	27	,	,	,
12787	720	28	or	or	CC
12787	720	29	its	-PRON-	PRP$
12787	720	30	derivatives	derivative	NNS
12787	720	31	;	;	:
12787	720	32	iodine	iodine	NN
12787	720	33	and	and	CC
12787	720	34	sodium	sodium	NN
12787	720	35	thiosulphate	thiosulphate	NN
12787	720	36	;	;	:
12787	720	37	hypochlorites	hypochlorite	NNS
12787	720	38	and	and	CC
12787	720	39	arsenious	arsenious	JJ
12787	720	40	acid	acid	NN
12787	720	41	.	.	.
12787	721	1	BICHROMATE	bichromate	NN
12787	721	2	PROCESS	proces	NNS
12787	721	3	FOR	for	IN
12787	721	4	THE	the	DT
12787	721	5	DETERMINATION	DETERMINATION	NNP
12787	721	6	OF	of	IN
12787	721	7	IRON	IRON	NNP
12787	721	8	Ferrous	ferrous	JJ
12787	721	9	salts	salt	NNS
12787	721	10	may	may	MD
12787	721	11	be	be	VB
12787	721	12	promptly	promptly	RB
12787	721	13	and	and	CC
12787	721	14	completely	completely	RB
12787	721	15	oxidized	oxidize	VBN
12787	721	16	to	to	IN
12787	721	17	ferric	ferric	JJ
12787	721	18	salts	salt	NNS
12787	721	19	,	,	,
12787	721	20	even	even	RB
12787	721	21	in	in	IN
12787	721	22	cold	cold	JJ
12787	721	23	solution	solution	NN
12787	721	24	,	,	,
12787	721	25	by	by	IN
12787	721	26	the	the	DT
12787	721	27	addition	addition	NN
12787	721	28	of	of	IN
12787	721	29	potassium	potassium	NN
12787	721	30	bichromate	bichromate	NN
12787	721	31	,	,	,
12787	721	32	provided	provide	VBD
12787	721	33	sufficient	sufficient	JJ
12787	721	34	acid	acid	NN
12787	721	35	is	be	VBZ
12787	721	36	present	present	JJ
12787	721	37	to	to	TO
12787	721	38	hold	hold	VB
12787	721	39	in	in	RP
12787	721	40	solution	solution	NN
12787	721	41	the	the	DT
12787	721	42	ferric	ferric	JJ
12787	721	43	and	and	CC
12787	721	44	chromic	chromic	JJ
12787	721	45	compounds	compound	NNS
12787	721	46	which	which	WDT
12787	721	47	are	be	VBP
12787	721	48	formed	form	VBN
12787	721	49	.	.	.
12787	722	1	The	the	DT
12787	722	2	acid	acid	NN
12787	722	3	may	may	MD
12787	722	4	be	be	VB
12787	722	5	either	either	CC
12787	722	6	hydrochloric	hydrochloric	JJ
12787	722	7	or	or	CC
12787	722	8	sulphuric	sulphuric	JJ
12787	722	9	,	,	,
12787	722	10	but	but	CC
12787	722	11	the	the	DT
12787	722	12	former	former	JJ
12787	722	13	is	be	VBZ
12787	722	14	usually	usually	RB
12787	722	15	preferred	prefer	VBN
12787	722	16	,	,	,
12787	722	17	since	since	IN
12787	722	18	it	-PRON-	PRP
12787	722	19	is	be	VBZ
12787	722	20	by	by	IN
12787	722	21	far	far	RB
12787	722	22	the	the	DT
12787	722	23	best	good	JJS
12787	722	24	solvent	solvent	NN
12787	722	25	for	for	IN
12787	722	26	iron	iron	NN
12787	722	27	and	and	CC
12787	722	28	its	-PRON-	PRP$
12787	722	29	compounds	compound	NNS
12787	722	30	.	.	.
12787	723	1	The	the	DT
12787	723	2	reaction	reaction	NN
12787	723	3	in	in	IN
12787	723	4	the	the	DT
12787	723	5	presence	presence	NN
12787	723	6	of	of	IN
12787	723	7	hydrochloric	hydrochloric	JJ
12787	723	8	acid	acid	NN
12787	723	9	is	be	VBZ
12787	723	10	as	as	IN
12787	723	11	follows	follow	VBZ
12787	723	12	:	:	:
12787	723	13	6FeCl_{2	6fecl_{2	CD
12787	723	14	}	}	-RRB-
12787	723	15	+	+	CC
12787	723	16	K_{2}Cr_{2}O_{7	k_{2}cr_{2}o_{7	NN
12787	723	17	}	}	-RRB-
12787	723	18	+	+	CC
12787	723	19	14HCl	14hcl	CD
12787	723	20	--	--	:
12787	723	21	>	>	XX
12787	723	22	6FeCl_{3	6fecl_{3	NN
12787	723	23	}	}	-RRB-
12787	723	24	+	+	CC
12787	723	25	2CrCl_{3	2crcl_{3	CD
12787	723	26	}	}	-RRB-
12787	723	27	+	+	SYM
12787	723	28	2KCl	2kcl	CD
12787	723	29	+	+	SYM
12787	723	30	7H_{2}O.	7h_{2}o.	CD
12787	724	1	NORMAL	normal	JJ
12787	724	2	SOLUTIONS	SOLUTIONS	NNP
12787	724	3	OF	of	IN
12787	724	4	OXIDIZING	oxidizing	NN
12787	724	5	OR	or	CC
12787	724	6	REDUCING	reduce	VBG
12787	724	7	AGENTS	agent	NNS
12787	724	8	It	-PRON-	PRP
12787	724	9	will	will	MD
12787	724	10	be	be	VB
12787	724	11	recalled	recall	VBN
12787	724	12	that	that	IN
12787	724	13	the	the	DT
12787	724	14	system	system	NN
12787	724	15	of	of	IN
12787	724	16	normal	normal	JJ
12787	724	17	solutions	solution	NNS
12787	724	18	is	be	VBZ
12787	724	19	based	base	VBN
12787	724	20	upon	upon	IN
12787	724	21	the	the	DT
12787	724	22	equivalence	equivalence	NN
12787	724	23	of	of	IN
12787	724	24	the	the	DT
12787	724	25	reagents	reagent	NNS
12787	724	26	which	which	WDT
12787	724	27	they	-PRON-	PRP
12787	724	28	contain	contain	VBP
12787	724	29	to	to	IN
12787	724	30	8	8	CD
12787	724	31	grams	gram	NNS
12787	724	32	of	of	IN
12787	724	33	oxygen	oxygen	NN
12787	724	34	or	or	CC
12787	724	35	1	1	CD
12787	724	36	gram	gram	NN
12787	724	37	of	of	IN
12787	724	38	hydrogen	hydrogen	NN
12787	724	39	.	.	.
12787	725	1	A	a	DT
12787	725	2	normal	normal	JJ
12787	725	3	solution	solution	NN
12787	725	4	of	of	IN
12787	725	5	an	an	DT
12787	725	6	oxidizing	oxidizing	JJ
12787	725	7	agent	agent	NN
12787	725	8	should	should	MD
12787	725	9	,	,	,
12787	725	10	therefore	therefore	RB
12787	725	11	,	,	,
12787	725	12	contain	contain	VBP
12787	725	13	that	that	IN
12787	725	14	amount	amount	NN
12787	725	15	per	per	IN
12787	725	16	liter	liter	NN
12787	725	17	which	which	WDT
12787	725	18	is	be	VBZ
12787	725	19	equivalent	equivalent	JJ
12787	725	20	in	in	IN
12787	725	21	oxidizing	oxidize	VBG
12787	725	22	power	power	NN
12787	725	23	to	to	IN
12787	725	24	8	8	CD
12787	725	25	grams	gram	NNS
12787	725	26	of	of	IN
12787	725	27	oxygen	oxygen	NN
12787	725	28	;	;	:
12787	725	29	a	a	DT
12787	725	30	normal	normal	JJ
12787	725	31	reducing	reducing	NN
12787	725	32	solution	solution	NN
12787	725	33	must	must	MD
12787	725	34	be	be	VB
12787	725	35	equivalent	equivalent	JJ
12787	725	36	in	in	IN
12787	725	37	reducing	reduce	VBG
12787	725	38	power	power	NN
12787	725	39	to	to	IN
12787	725	40	1	1	CD
12787	725	41	gram	gram	NN
12787	725	42	of	of	IN
12787	725	43	hydrogen	hydrogen	NN
12787	725	44	.	.	.
12787	726	1	In	in	IN
12787	726	2	order	order	NN
12787	726	3	to	to	TO
12787	726	4	determine	determine	VB
12787	726	5	what	what	WP
12787	726	6	the	the	DT
12787	726	7	amount	amount	NN
12787	726	8	per	per	IN
12787	726	9	liter	liter	NN
12787	726	10	will	will	MD
12787	726	11	be	be	VB
12787	726	12	it	-PRON-	PRP
12787	726	13	is	be	VBZ
12787	726	14	necessary	necessary	JJ
12787	726	15	to	to	TO
12787	726	16	know	know	VB
12787	726	17	how	how	WRB
12787	726	18	the	the	DT
12787	726	19	reagents	reagent	NNS
12787	726	20	enter	enter	VBP
12787	726	21	into	into	IN
12787	726	22	reaction	reaction	NN
12787	726	23	.	.	.
12787	727	1	The	the	DT
12787	727	2	two	two	CD
12787	727	3	solutions	solution	NNS
12787	727	4	to	to	TO
12787	727	5	be	be	VB
12787	727	6	employed	employ	VBN
12787	727	7	in	in	IN
12787	727	8	the	the	DT
12787	727	9	process	process	NN
12787	727	10	under	under	IN
12787	727	11	consideration	consideration	NN
12787	727	12	are	be	VBP
12787	727	13	those	those	DT
12787	727	14	of	of	IN
12787	727	15	potassium	potassium	NN
12787	727	16	bichromate	bichromate	NN
12787	727	17	and	and	CC
12787	727	18	ferrous	ferrous	JJ
12787	727	19	sulphate	sulphate	NN
12787	727	20	.	.	.
12787	728	1	The	the	DT
12787	728	2	reaction	reaction	NN
12787	728	3	between	between	IN
12787	728	4	them	-PRON-	PRP
12787	728	5	,	,	,
12787	728	6	in	in	IN
12787	728	7	the	the	DT
12787	728	8	presence	presence	NN
12787	728	9	of	of	IN
12787	728	10	an	an	DT
12787	728	11	excess	excess	NN
12787	728	12	of	of	IN
12787	728	13	sulphuric	sulphuric	JJ
12787	728	14	acid	acid	NN
12787	728	15	,	,	,
12787	728	16	may	may	MD
12787	728	17	be	be	VB
12787	728	18	expressed	express	VBN
12787	728	19	as	as	IN
12787	728	20	follows	follow	VBZ
12787	728	21	:	:	:
12787	728	22	6FeSO_{4	6feso_{4	LS
12787	728	23	}	}	-RRB-
12787	728	24	+	+	CC
12787	728	25	K_{2}Cr_{2}O_{7	k_{2}cr_{2}o_{7	NN
12787	728	26	}	}	-RRB-
12787	728	27	+	+	SYM
12787	728	28	7H_{2}SO_{4	7h_{2}so_{4	CD
12787	728	29	}	}	-RRB-
12787	728	30	--	--	:
12787	728	31	>	>	XX
12787	728	32	3Fe_{2}(SO_{4})_{3	3fe_{2}(so_{4})_{3	CD
12787	728	33	}	}	-RRB-
12787	728	34	+	+	NFP
12787	728	35	K_{2}SO_{4	K_{2}SO_{4	NNP
12787	728	36	}	}	-RRB-
12787	728	37	+	+	CC
12787	728	38	Cr_{2}(SO_{4})_{3	cr_{2}(so_{4})_{3	NN
12787	728	39	}	}	-RRB-
12787	728	40	+	+	SYM
12787	728	41	7H_{2}O.	7h_{2}o.	CD
12787	729	1	If	if	IN
12787	729	2	the	the	DT
12787	729	3	compounds	compound	NNS
12787	729	4	of	of	IN
12787	729	5	iron	iron	NN
12787	729	6	and	and	CC
12787	729	7	chromium	chromium	NN
12787	729	8	,	,	,
12787	729	9	with	with	IN
12787	729	10	which	which	WDT
12787	729	11	alone	alone	JJ
12787	729	12	we	-PRON-	PRP
12787	729	13	are	be	VBP
12787	729	14	now	now	RB
12787	729	15	concerned	concern	VBN
12787	729	16	,	,	,
12787	729	17	be	be	VB
12787	729	18	written	write	VBN
12787	729	19	in	in	IN
12787	729	20	such	such	PDT
12787	729	21	a	a	DT
12787	729	22	way	way	NN
12787	729	23	as	as	IN
12787	729	24	to	to	TO
12787	729	25	show	show	VB
12787	729	26	the	the	DT
12787	729	27	oxides	oxide	NNS
12787	729	28	of	of	IN
12787	729	29	these	these	DT
12787	729	30	elements	element	NNS
12787	729	31	in	in	IN
12787	729	32	each	each	DT
12787	729	33	,	,	,
12787	729	34	they	-PRON-	PRP
12787	729	35	would	would	MD
12787	729	36	appear	appear	VB
12787	729	37	as	as	IN
12787	729	38	follows	follow	VBZ
12787	729	39	:	:	:
12787	729	40	On	on	IN
12787	729	41	the	the	DT
12787	729	42	left	left	JJ
12787	729	43	-	-	HYPH
12787	729	44	hand	hand	NN
12787	729	45	side	side	NN
12787	729	46	of	of	IN
12787	729	47	the	the	DT
12787	729	48	equation	equation	NN
12787	729	49	6(FeO.SO_{3	6(feo.so_{3	CD
12787	729	50	}	}	-RRB-
12787	729	51	)	)	-RRB-
12787	729	52	and	and	CC
12787	729	53	K_{2}O.2CrO_{3	K_{2}O.2CrO_{3	NNP
12787	729	54	}	}	-RRB-
12787	729	55	;	;	:
12787	729	56	on	on	IN
12787	729	57	the	the	DT
12787	729	58	right	right	JJ
12787	729	59	-	-	HYPH
12787	729	60	hand	hand	NN
12787	729	61	side	side	NN
12787	729	62	,	,	,
12787	729	63	3(Fe_{2}O_{3}.3SO_{3	3(fe_{2}o_{3}.3so_{3	CD
12787	729	64	}	}	-RRB-
12787	729	65	)	)	-RRB-
12787	729	66	and	and	CC
12787	729	67	Cr_{2}O_{3}.3SO_{3	Cr_{2}O_{3}.3SO_{3	NNP
12787	729	68	}	}	-RRB-
12787	729	69	.	.	.
12787	730	1	A	a	DT
12787	730	2	careful	careful	JJ
12787	730	3	inspection	inspection	NN
12787	730	4	shows	show	VBZ
12787	730	5	that	that	IN
12787	730	6	there	there	EX
12787	730	7	are	be	VBP
12787	730	8	three	three	CD
12787	730	9	less	less	JJR
12787	730	10	oxygen	oxygen	NN
12787	730	11	atoms	atom	NNS
12787	730	12	associated	associate	VBN
12787	730	13	with	with	IN
12787	730	14	chromium	chromium	NN
12787	730	15	atoms	atom	NNS
12787	730	16	on	on	IN
12787	730	17	the	the	DT
12787	730	18	right	right	JJ
12787	730	19	-	-	HYPH
12787	730	20	hand	hand	NN
12787	730	21	side	side	NN
12787	730	22	of	of	IN
12787	730	23	the	the	DT
12787	730	24	equation	equation	NN
12787	730	25	than	than	IN
12787	730	26	on	on	IN
12787	730	27	the	the	DT
12787	730	28	left	left	JJ
12787	730	29	-	-	HYPH
12787	730	30	hand	hand	NN
12787	730	31	,	,	,
12787	730	32	but	but	CC
12787	730	33	there	there	EX
12787	730	34	are	be	VBP
12787	730	35	three	three	CD
12787	730	36	more	more	JJR
12787	730	37	oxygen	oxygen	NN
12787	730	38	atoms	atom	NNS
12787	730	39	associated	associate	VBN
12787	730	40	with	with	IN
12787	730	41	iron	iron	NN
12787	730	42	atoms	atom	NNS
12787	730	43	on	on	IN
12787	730	44	the	the	DT
12787	730	45	right	right	NN
12787	730	46	than	than	IN
12787	730	47	on	on	IN
12787	730	48	the	the	DT
12787	730	49	left	left	NN
12787	730	50	.	.	.
12787	731	1	In	in	IN
12787	731	2	other	other	JJ
12787	731	3	words	word	NNS
12787	731	4	,	,	,
12787	731	5	a	a	DT
12787	731	6	molecule	molecule	NN
12787	731	7	of	of	IN
12787	731	8	potassium	potassium	NN
12787	731	9	bichromate	bichromate	NN
12787	731	10	has	have	VBZ
12787	731	11	given	give	VBN
12787	731	12	up	up	RP
12787	731	13	three	three	CD
12787	731	14	atoms	atom	NNS
12787	731	15	of	of	IN
12787	731	16	oxygen	oxygen	NN
12787	731	17	for	for	IN
12787	731	18	oxidation	oxidation	NN
12787	731	19	purposes	purpose	NNS
12787	731	20	;	;	:
12787	731	21	i.e.	i.e.	FW
12787	731	22	,	,	,
12787	731	23	a	a	DT
12787	731	24	molecular	molecular	JJ
12787	731	25	weight	weight	NN
12787	731	26	in	in	IN
12787	731	27	grams	gram	NNS
12787	731	28	of	of	IN
12787	731	29	the	the	DT
12787	731	30	bichromate	bichromate	NN
12787	731	31	(	(	-LRB-
12787	731	32	294.2	294.2	CD
12787	731	33	)	)	-RRB-
12787	731	34	will	will	MD
12787	731	35	furnish	furnish	VB
12787	731	36	3	3	CD
12787	731	37	X	X	NNP
12787	731	38	16	16	CD
12787	731	39	or	or	CC
12787	731	40	48	48	CD
12787	731	41	grams	gram	NNS
12787	731	42	of	of	IN
12787	731	43	oxygen	oxygen	NN
12787	731	44	for	for	IN
12787	731	45	oxidation	oxidation	NN
12787	731	46	purposes	purpose	NNS
12787	731	47	.	.	.
12787	732	1	As	as	IN
12787	732	2	this	this	DT
12787	732	3	48	48	CD
12787	732	4	grams	gram	NNS
12787	732	5	is	be	VBZ
12787	732	6	six	six	CD
12787	732	7	times	time	NNS
12787	732	8	8	8	CD
12787	732	9	grams	gram	NNS
12787	732	10	,	,	,
12787	732	11	the	the	DT
12787	732	12	basis	basis	NN
12787	732	13	of	of	IN
12787	732	14	the	the	DT
12787	732	15	system	system	NN
12787	732	16	,	,	,
12787	732	17	the	the	DT
12787	732	18	normal	normal	JJ
12787	732	19	solution	solution	NN
12787	732	20	of	of	IN
12787	732	21	potassium	potassium	NN
12787	732	22	bichromate	bichromate	NN
12787	732	23	should	should	MD
12787	732	24	contain	contain	VB
12787	732	25	per	per	IN
12787	732	26	liter	liter	NN
12787	732	27	one	one	CD
12787	732	28	sixth	sixth	NN
12787	732	29	of	of	IN
12787	732	30	294.2	294.2	CD
12787	732	31	grams	gram	NNS
12787	732	32	or	or	CC
12787	732	33	49.03	49.03	CD
12787	732	34	grams	gram	NNS
12787	732	35	.	.	.
12787	733	1	A	a	DT
12787	733	2	further	further	JJ
12787	733	3	inspection	inspection	NN
12787	733	4	of	of	IN
12787	733	5	the	the	DT
12787	733	6	dissected	dissect	VBN
12787	733	7	compounds	compound	NNS
12787	733	8	above	above	RB
12787	733	9	shows	show	VBZ
12787	733	10	that	that	IN
12787	733	11	six	six	CD
12787	733	12	molecules	molecule	NNS
12787	733	13	of	of	IN
12787	733	14	FeO.SO_{3	feo.so_{3	NN
12787	733	15	}	}	-RRB-
12787	733	16	were	be	VBD
12787	733	17	required	require	VBN
12787	733	18	to	to	TO
12787	733	19	react	react	VB
12787	733	20	with	with	IN
12787	733	21	the	the	DT
12787	733	22	three	three	CD
12787	733	23	atoms	atom	NNS
12787	733	24	of	of	IN
12787	733	25	oxygen	oxygen	NN
12787	733	26	from	from	IN
12787	733	27	the	the	DT
12787	733	28	bichromate	bichromate	NN
12787	733	29	.	.	.
12787	734	1	From	from	IN
12787	734	2	the	the	DT
12787	734	3	two	two	CD
12787	734	4	equations	equation	NNS
12787	734	5	3H_{2	3h_{2	CD
12787	734	6	}	}	-RRB-
12787	734	7	+	+	SYM
12787	734	8	3O	3o	NN
12787	734	9	--	--	:
12787	734	10	>	>	XX
12787	734	11	3H_{2}O	3h_{2}o	CD
12787	734	12	6(FeO.SO_{3	6(feo.so_{3	CD
12787	734	13	}	}	-RRB-
12787	734	14	)	)	-RRB-
12787	734	15	+	+	SYM
12787	734	16	3O	3O	NNP
12787	734	17	--	--	:
12787	734	18	>	>	XX
12787	734	19	3(Fe_{2}O_{3}.3SO_{3	3(fe_{2}o_{3}.3so_{3	CD
12787	734	20	}	}	-RRB-
12787	734	21	)	)	-RRB-
12787	734	22	it	-PRON-	PRP
12787	734	23	is	be	VBZ
12787	734	24	plain	plain	JJ
12787	734	25	that	that	IN
12787	734	26	one	one	CD
12787	734	27	molecule	molecule	NN
12787	734	28	of	of	IN
12787	734	29	ferrous	ferrous	JJ
12787	734	30	sulphate	sulphate	NN
12787	734	31	is	be	VBZ
12787	734	32	equivalent	equivalent	JJ
12787	734	33	to	to	IN
12787	734	34	one	one	CD
12787	734	35	atom	atom	NN
12787	734	36	of	of	IN
12787	734	37	hydrogen	hydrogen	NN
12787	734	38	in	in	IN
12787	734	39	reducing	reduce	VBG
12787	734	40	power	power	NN
12787	734	41	;	;	:
12787	734	42	therefore	therefore	RB
12787	734	43	one	one	CD
12787	734	44	molecular	molecular	JJ
12787	734	45	weight	weight	NN
12787	734	46	in	in	IN
12787	734	47	grams	gram	NNS
12787	734	48	of	of	IN
12787	734	49	ferrous	ferrous	JJ
12787	734	50	sulphate	sulphate	NN
12787	734	51	(	(	-LRB-
12787	734	52	151.9	151.9	CD
12787	734	53	)	)	-RRB-
12787	734	54	is	be	VBZ
12787	734	55	equivalent	equivalent	JJ
12787	734	56	to	to	IN
12787	734	57	1	1	CD
12787	734	58	gram	gram	NN
12787	734	59	of	of	IN
12787	734	60	hydrogen	hydrogen	NN
12787	734	61	.	.	.
12787	735	1	Since	since	IN
12787	735	2	the	the	DT
12787	735	3	ferrous	ferrous	JJ
12787	735	4	sulphate	sulphate	NN
12787	735	5	crystalline	crystalline	NN
12787	735	6	form	form	NN
12787	735	7	has	have	VBZ
12787	735	8	the	the	DT
12787	735	9	formula	formula	NN
12787	735	10	FeSO_{4}.7H_{2}O	FeSO_{4}.7H_{2}O	NNP
12787	735	11	,	,	,
12787	735	12	a	a	DT
12787	735	13	normal	normal	JJ
12787	735	14	reducing	reduce	VBG
12787	735	15	solution	solution	NN
12787	735	16	of	of	IN
12787	735	17	this	this	DT
12787	735	18	crystalline	crystalline	NN
12787	735	19	salt	salt	NN
12787	735	20	should	should	MD
12787	735	21	contain	contain	VB
12787	735	22	277.9	277.9	CD
12787	735	23	grams	gram	NNS
12787	735	24	per	per	IN
12787	735	25	liter	liter	NN
12787	735	26	.	.	.
12787	736	1	PREPARATION	preparation	NN
12787	736	2	OF	of	IN
12787	736	3	SOLUTIONS	solution	NNS
12787	736	4	!	!	.
12787	736	5	Approximate	Approximate	NNP
12787	736	6	Strength	Strength	NNP
12787	736	7	0.1	0.1	CD
12787	736	8	N	n	CD
12787	736	9	!	!	.
12787	737	1	It	-PRON-	PRP
12787	737	2	is	be	VBZ
12787	737	3	possible	possible	JJ
12787	737	4	to	to	TO
12787	737	5	purify	purify	VB
12787	737	6	commercial	commercial	JJ
12787	737	7	potassium	potassium	NN
12787	737	8	bichromate	bichromate	NN
12787	737	9	by	by	IN
12787	737	10	recrystallization	recrystallization	NN
12787	737	11	from	from	IN
12787	737	12	hot	hot	JJ
12787	737	13	water	water	NN
12787	737	14	.	.	.
12787	738	1	It	-PRON-	PRP
12787	738	2	must	must	MD
12787	738	3	then	then	RB
12787	738	4	be	be	VB
12787	738	5	dried	dry	VBN
12787	738	6	and	and	CC
12787	738	7	cautiously	cautiously	RB
12787	738	8	heated	heat	VBN
12787	738	9	to	to	IN
12787	738	10	fusion	fusion	NN
12787	738	11	to	to	TO
12787	738	12	expel	expel	VB
12787	738	13	the	the	DT
12787	738	14	last	last	JJ
12787	738	15	traces	trace	NNS
12787	738	16	of	of	IN
12787	738	17	moisture	moisture	NN
12787	738	18	,	,	,
12787	738	19	but	but	CC
12787	738	20	not	not	RB
12787	738	21	sufficiently	sufficiently	RB
12787	738	22	high	high	JJ
12787	738	23	to	to	TO
12787	738	24	expel	expel	VB
12787	738	25	any	any	DT
12787	738	26	oxygen	oxygen	NN
12787	738	27	.	.	.
12787	739	1	The	the	DT
12787	739	2	pure	pure	JJ
12787	739	3	salt	salt	NN
12787	739	4	thus	thus	RB
12787	739	5	prepared	prepare	VBN
12787	739	6	,	,	,
12787	739	7	may	may	MD
12787	739	8	be	be	VB
12787	739	9	weighed	weigh	VBN
12787	739	10	out	out	RP
12787	739	11	directly	directly	RB
12787	739	12	,	,	,
12787	739	13	dissolved	dissolve	VBN
12787	739	14	,	,	,
12787	739	15	and	and	CC
12787	739	16	the	the	DT
12787	739	17	solution	solution	NN
12787	739	18	diluted	dilute	VBN
12787	739	19	in	in	IN
12787	739	20	a	a	DT
12787	739	21	graduated	graduate	VBN
12787	739	22	flask	flask	NN
12787	739	23	to	to	IN
12787	739	24	a	a	DT
12787	739	25	definite	definite	JJ
12787	739	26	volume	volume	NN
12787	739	27	.	.	.
12787	740	1	In	in	IN
12787	740	2	this	this	DT
12787	740	3	case	case	NN
12787	740	4	no	no	DT
12787	740	5	standardization	standardization	NN
12787	740	6	is	be	VBZ
12787	740	7	made	make	VBN
12787	740	8	,	,	,
12787	740	9	as	as	IN
12787	740	10	the	the	DT
12787	740	11	normal	normal	JJ
12787	740	12	value	value	NN
12787	740	13	can	can	MD
12787	740	14	be	be	VB
12787	740	15	calculated	calculate	VBN
12787	740	16	directly	directly	RB
12787	740	17	.	.	.
12787	741	1	It	-PRON-	PRP
12787	741	2	is	be	VBZ
12787	741	3	,	,	,
12787	741	4	however	however	RB
12787	741	5	,	,	,
12787	741	6	more	more	RBR
12787	741	7	generally	generally	RB
12787	741	8	customary	customary	JJ
12787	741	9	to	to	TO
12787	741	10	standardize	standardize	VB
12787	741	11	a	a	DT
12787	741	12	solution	solution	NN
12787	741	13	of	of	IN
12787	741	14	the	the	DT
12787	741	15	commercial	commercial	JJ
12787	741	16	salt	salt	NN
12787	741	17	by	by	IN
12787	741	18	comparison	comparison	NN
12787	741	19	with	with	IN
12787	741	20	some	some	DT
12787	741	21	substance	substance	NN
12787	741	22	of	of	IN
12787	741	23	definite	definite	JJ
12787	741	24	composition	composition	NN
12787	741	25	,	,	,
12787	741	26	as	as	IN
12787	741	27	described	describe	VBN
12787	741	28	below	below	RB
12787	741	29	.	.	.
12787	742	1	PROCEDURE.--Pulverize	PROCEDURE.--Pulverize	NNP
12787	742	2	about	about	RB
12787	742	3	5	5	CD
12787	742	4	grams	gram	NNS
12787	742	5	of	of	IN
12787	742	6	potassium	potassium	NN
12787	742	7	bichromate	bichromate	NN
12787	742	8	of	of	IN
12787	742	9	good	good	JJ
12787	742	10	quality	quality	NN
12787	742	11	.	.	.
12787	743	1	Dissolve	dissolve	VB
12787	743	2	the	the	DT
12787	743	3	bichromate	bichromate	NN
12787	743	4	in	in	IN
12787	743	5	distilled	distilled	JJ
12787	743	6	water	water	NN
12787	743	7	,	,	,
12787	743	8	transfer	transfer	VB
12787	743	9	the	the	DT
12787	743	10	solution	solution	NN
12787	743	11	to	to	IN
12787	743	12	a	a	DT
12787	743	13	liter	liter	NN
12787	743	14	bottle	bottle	NN
12787	743	15	,	,	,
12787	743	16	and	and	CC
12787	743	17	dilute	dilute	NN
12787	743	18	to	to	IN
12787	743	19	approximately	approximately	RB
12787	743	20	1000	1000	CD
12787	743	21	cc	cc	NNP
12787	743	22	.	.	.
12787	744	1	Shake	shake	VB
12787	744	2	thoroughly	thoroughly	RB
12787	744	3	until	until	IN
12787	744	4	the	the	DT
12787	744	5	solution	solution	NN
12787	744	6	is	be	VBZ
12787	744	7	uniform	uniform	JJ
12787	744	8	.	.	.
12787	745	1	To	to	TO
12787	745	2	prepare	prepare	VB
12787	745	3	the	the	DT
12787	745	4	solution	solution	NN
12787	745	5	of	of	IN
12787	745	6	the	the	DT
12787	745	7	reducing	reduce	VBG
12787	745	8	agent	agent	NN
12787	745	9	,	,	,
12787	745	10	pulverize	pulverize	VBP
12787	745	11	about	about	IN
12787	745	12	28	28	CD
12787	745	13	grams	gram	NNS
12787	745	14	of	of	IN
12787	745	15	ferrous	ferrous	JJ
12787	745	16	sulphate	sulphate	NN
12787	745	17	(	(	-LRB-
12787	745	18	FeSO_{4}.7H_{2}O	FeSO_{4}.7H_{2}O	NNP
12787	745	19	)	)	-RRB-
12787	745	20	or	or	CC
12787	745	21	about	about	RB
12787	745	22	40	40	CD
12787	745	23	grams	gram	NNS
12787	745	24	of	of	IN
12787	745	25	ferrous	ferrous	JJ
12787	745	26	ammonium	ammonium	NN
12787	745	27	sulphate	sulphate	NN
12787	745	28	(	(	-LRB-
12787	745	29	FeSO_{4	feso_{4	UH
12787	745	30	}	}	-RRB-
12787	745	31	.	.	.
12787	746	1	(	(	-LRB-
12787	746	2	NH_{4})_{2}SO_{4}.6H_{2}O	NH_{4})_{2}SO_{4}.6H_{2}O	NNP
12787	746	3	)	)	-RRB-
12787	746	4	and	and	CC
12787	746	5	dissolve	dissolve	VB
12787	746	6	in	in	IN
12787	746	7	distilled	distilled	JJ
12787	746	8	water	water	NN
12787	746	9	containing	contain	VBG
12787	746	10	5	5	CD
12787	746	11	cc	cc	NN
12787	746	12	.	.	.
12787	747	1	of	of	IN
12787	747	2	concentrated	concentrated	JJ
12787	747	3	sulphuric	sulphuric	JJ
12787	747	4	acid	acid	NN
12787	747	5	.	.	.
12787	748	1	Transfer	transfer	VB
12787	748	2	the	the	DT
12787	748	3	solution	solution	NN
12787	748	4	to	to	IN
12787	748	5	a	a	DT
12787	748	6	liter	liter	NN
12787	748	7	bottle	bottle	NN
12787	748	8	,	,	,
12787	748	9	add	add	VB
12787	748	10	5	5	CD
12787	748	11	cc	cc	NN
12787	748	12	.	.	.
12787	749	1	concentrated	concentrated	NNP
12787	749	2	sulphuric	sulphuric	NNP
12787	749	3	acid	acid	NNP
12787	749	4	,	,	,
12787	749	5	make	make	VBP
12787	749	6	up	up	RP
12787	749	7	to	to	IN
12787	749	8	about	about	RB
12787	749	9	1000	1000	CD
12787	749	10	cc	cc	NN
12787	749	11	.	.	.
12787	750	1	and	and	CC
12787	750	2	shake	shake	VB
12787	750	3	vigorously	vigorously	RB
12787	750	4	to	to	TO
12787	750	5	insure	insure	VB
12787	750	6	uniformity	uniformity	NN
12787	750	7	.	.	.
12787	751	1	INDICATOR	INDICATOR	NNP
12787	751	2	SOLUTION	solution	NN
12787	751	3	No	no	DT
12787	751	4	indicator	indicator	NN
12787	751	5	is	be	VBZ
12787	751	6	known	know	VBN
12787	751	7	which	which	WDT
12787	751	8	,	,	,
12787	751	9	like	like	IN
12787	751	10	methyl	methyl	NN
12787	751	11	orange	orange	NNP
12787	751	12	,	,	,
12787	751	13	can	can	MD
12787	751	14	be	be	VB
12787	751	15	used	use	VBN
12787	751	16	within	within	IN
12787	751	17	the	the	DT
12787	751	18	solution	solution	NN
12787	751	19	,	,	,
12787	751	20	to	to	TO
12787	751	21	show	show	VB
12787	751	22	when	when	WRB
12787	751	23	the	the	DT
12787	751	24	oxidation	oxidation	NN
12787	751	25	process	process	NN
12787	751	26	is	be	VBZ
12787	751	27	complete	complete	JJ
12787	751	28	.	.	.
12787	752	1	Instead	instead	RB
12787	752	2	,	,	,
12787	752	3	an	an	DT
12787	752	4	outside	outside	JJ
12787	752	5	indicator	indicator	NN
12787	752	6	solution	solution	NN
12787	752	7	is	be	VBZ
12787	752	8	employed	employ	VBN
12787	752	9	to	to	TO
12787	752	10	which	which	WDT
12787	752	11	drops	drop	NNS
12787	752	12	of	of	IN
12787	752	13	the	the	DT
12787	752	14	titrated	titrated	JJ
12787	752	15	solution	solution	NN
12787	752	16	are	be	VBP
12787	752	17	transferred	transfer	VBN
12787	752	18	for	for	IN
12787	752	19	testing	testing	NN
12787	752	20	.	.	.
12787	753	1	The	the	DT
12787	753	2	reagent	reagent	NN
12787	753	3	used	use	VBN
12787	753	4	is	be	VBZ
12787	753	5	potassium	potassium	NN
12787	753	6	ferricyanide	ferricyanide	NN
12787	753	7	,	,	,
12787	753	8	which	which	WDT
12787	753	9	produces	produce	VBZ
12787	753	10	a	a	DT
12787	753	11	blue	blue	JJ
12787	753	12	precipitate	precipitate	NN
12787	753	13	(	(	-LRB-
12787	753	14	or	or	CC
12787	753	15	color	color	NN
12787	753	16	)	)	-RRB-
12787	753	17	with	with	IN
12787	753	18	ferrous	ferrous	JJ
12787	753	19	compounds	compound	NNS
12787	753	20	as	as	RB
12787	753	21	long	long	RB
12787	753	22	as	as	IN
12787	753	23	there	there	EX
12787	753	24	are	be	VBP
12787	753	25	unoxidized	unoxidized	JJ
12787	753	26	ferrous	ferrous	JJ
12787	753	27	ions	ion	NNS
12787	753	28	in	in	IN
12787	753	29	the	the	DT
12787	753	30	titrated	titrated	JJ
12787	753	31	solution	solution	NN
12787	753	32	.	.	.
12787	754	1	Drops	drop	NNS
12787	754	2	of	of	IN
12787	754	3	the	the	DT
12787	754	4	indicator	indicator	NN
12787	754	5	solution	solution	NN
12787	754	6	are	be	VBP
12787	754	7	placed	place	VBN
12787	754	8	upon	upon	IN
12787	754	9	a	a	DT
12787	754	10	glazed	glaze	VBN
12787	754	11	porcelain	porcelain	NN
12787	754	12	tile	tile	NN
12787	754	13	,	,	,
12787	754	14	or	or	CC
12787	754	15	upon	upon	IN
12787	754	16	white	white	JJ
12787	754	17	cardboard	cardboard	NN
12787	754	18	which	which	WDT
12787	754	19	has	have	VBZ
12787	754	20	been	be	VBN
12787	754	21	coated	coat	VBN
12787	754	22	with	with	IN
12787	754	23	paraffin	paraffin	NNP
12787	754	24	to	to	TO
12787	754	25	render	render	VB
12787	754	26	it	-PRON-	PRP
12787	754	27	waterproof	waterproof	JJ
12787	754	28	,	,	,
12787	754	29	and	and	CC
12787	754	30	drops	drop	NNS
12787	754	31	of	of	IN
12787	754	32	the	the	DT
12787	754	33	titrated	titrated	JJ
12787	754	34	solution	solution	NN
12787	754	35	are	be	VBP
12787	754	36	transferred	transfer	VBN
12787	754	37	to	to	IN
12787	754	38	the	the	DT
12787	754	39	indicator	indicator	NN
12787	754	40	on	on	IN
12787	754	41	the	the	DT
12787	754	42	end	end	NN
12787	754	43	of	of	IN
12787	754	44	a	a	DT
12787	754	45	stirring	stirring	JJ
12787	754	46	rod	rod	NN
12787	754	47	.	.	.
12787	755	1	When	when	WRB
12787	755	2	the	the	DT
12787	755	3	oxidation	oxidation	NN
12787	755	4	is	be	VBZ
12787	755	5	nearly	nearly	RB
12787	755	6	completed	complete	VBN
12787	755	7	only	only	RB
12787	755	8	very	very	RB
12787	755	9	small	small	JJ
12787	755	10	amounts	amount	NNS
12787	755	11	of	of	IN
12787	755	12	the	the	DT
12787	755	13	ferrous	ferrous	JJ
12787	755	14	compounds	compound	NNS
12787	755	15	remain	remain	VBP
12787	755	16	unoxidized	unoxidized	JJ
12787	755	17	and	and	CC
12787	755	18	the	the	DT
12787	755	19	reaction	reaction	NN
12787	755	20	with	with	IN
12787	755	21	the	the	DT
12787	755	22	indicator	indicator	NN
12787	755	23	is	be	VBZ
12787	755	24	no	no	DT
12787	755	25	longer	long	RBR
12787	755	26	instantaneous	instantaneous	JJ
12787	755	27	.	.	.
12787	756	1	It	-PRON-	PRP
12787	756	2	is	be	VBZ
12787	756	3	necessary	necessary	JJ
12787	756	4	to	to	TO
12787	756	5	allow	allow	VB
12787	756	6	a	a	DT
12787	756	7	brief	brief	JJ
12787	756	8	time	time	NN
12787	756	9	to	to	TO
12787	756	10	elapse	elapse	VB
12787	756	11	before	before	RB
12787	756	12	determining	determine	VBG
12787	756	13	that	that	IN
12787	756	14	no	no	DT
12787	756	15	blue	blue	JJ
12787	756	16	color	color	NN
12787	756	17	is	be	VBZ
12787	756	18	formed	form	VBN
12787	756	19	.	.	.
12787	757	1	Thirty	thirty	CD
12787	757	2	seconds	second	NNS
12787	757	3	is	be	VBZ
12787	757	4	a	a	DT
12787	757	5	sufficient	sufficient	JJ
12787	757	6	interval	interval	NN
12787	757	7	,	,	,
12787	757	8	and	and	CC
12787	757	9	should	should	MD
12787	757	10	be	be	VB
12787	757	11	adopted	adopt	VBN
12787	757	12	throughout	throughout	IN
12787	757	13	the	the	DT
12787	757	14	analytical	analytical	JJ
12787	757	15	procedure	procedure	NN
12787	757	16	.	.	.
12787	758	1	If	if	IN
12787	758	2	left	leave	VBD
12787	758	3	too	too	RB
12787	758	4	long	long	RB
12787	758	5	,	,	,
12787	758	6	the	the	DT
12787	758	7	combined	combine	VBN
12787	758	8	effect	effect	NN
12787	758	9	of	of	IN
12787	758	10	light	light	NN
12787	758	11	and	and	CC
12787	758	12	dust	dust	NN
12787	758	13	from	from	IN
12787	758	14	the	the	DT
12787	758	15	air	air	NN
12787	758	16	will	will	MD
12787	758	17	cause	cause	VB
12787	758	18	a	a	DT
12787	758	19	reduction	reduction	NN
12787	758	20	of	of	IN
12787	758	21	the	the	DT
12787	758	22	ferric	ferric	JJ
12787	758	23	compounds	compound	NNS
12787	758	24	already	already	RB
12787	758	25	formed	form	VBN
12787	758	26	and	and	CC
12787	758	27	a	a	DT
12787	758	28	resultant	resultant	JJ
12787	758	29	blue	blue	NN
12787	758	30	will	will	MD
12787	758	31	appear	appear	VB
12787	758	32	which	which	WDT
12787	758	33	misleads	mislead	NNS
12787	758	34	the	the	DT
12787	758	35	observer	observer	NN
12787	758	36	with	with	IN
12787	758	37	respect	respect	NN
12787	758	38	to	to	IN
12787	758	39	the	the	DT
12787	758	40	true	true	JJ
12787	758	41	end	end	NN
12787	758	42	-	-	HYPH
12787	758	43	point	point	NN
12787	758	44	.	.	.
12787	759	1	The	the	DT
12787	759	2	indicator	indicator	NN
12787	759	3	solution	solution	NN
12787	759	4	must	must	MD
12787	759	5	be	be	VB
12787	759	6	highly	highly	RB
12787	759	7	diluted	dilute	VBN
12787	759	8	,	,	,
12787	759	9	otherwise	otherwise	RB
12787	759	10	its	-PRON-	PRP$
12787	759	11	own	own	JJ
12787	759	12	color	color	NN
12787	759	13	interferes	interfere	VBZ
12787	759	14	with	with	IN
12787	759	15	accurate	accurate	JJ
12787	759	16	observation	observation	NN
12787	759	17	.	.	.
12787	760	1	Prepare	prepare	VB
12787	760	2	a	a	DT
12787	760	3	fresh	fresh	JJ
12787	760	4	solution	solution	NN
12787	760	5	,	,	,
12787	760	6	as	as	IN
12787	760	7	needed	need	VBN
12787	760	8	each	each	DT
12787	760	9	day	day	NN
12787	760	10	,	,	,
12787	760	11	by	by	IN
12787	760	12	dissolving	dissolve	VBG
12787	760	13	a	a	DT
12787	760	14	crystal	crystal	NN
12787	760	15	of	of	IN
12787	760	16	potassium	potassium	NN
12787	760	17	ferricyanide	ferricyanide	NN
12787	760	18	about	about	IN
12787	760	19	the	the	DT
12787	760	20	size	size	NN
12787	760	21	of	of	IN
12787	760	22	a	a	DT
12787	760	23	pin	pin	NN
12787	760	24	's	's	POS
12787	760	25	head	head	NN
12787	760	26	in	in	IN
12787	760	27	25	25	CD
12787	760	28	cc	cc	NN
12787	760	29	.	.	.
12787	761	1	of	of	IN
12787	761	2	distilled	distilled	JJ
12787	761	3	water	water	NN
12787	761	4	.	.	.
12787	762	1	The	the	DT
12787	762	2	salt	salt	NN
12787	762	3	should	should	MD
12787	762	4	be	be	VB
12787	762	5	carefully	carefully	RB
12787	762	6	tested	test	VBN
12787	762	7	with	with	IN
12787	762	8	ferric	ferric	JJ
12787	762	9	chloride	chloride	NN
12787	762	10	for	for	IN
12787	762	11	the	the	DT
12787	762	12	presence	presence	NN
12787	762	13	of	of	IN
12787	762	14	ferrocyanides	ferrocyanide	NNS
12787	762	15	,	,	,
12787	762	16	which	which	WDT
12787	762	17	give	give	VBP
12787	762	18	a	a	DT
12787	762	19	blue	blue	JJ
12787	762	20	color	color	NN
12787	762	21	with	with	IN
12787	762	22	ferric	ferric	JJ
12787	762	23	salts	salt	NNS
12787	762	24	.	.	.
12787	763	1	In	in	IN
12787	763	2	case	case	NN
12787	763	3	of	of	IN
12787	763	4	need	need	NN
12787	763	5	,	,	,
12787	763	6	the	the	DT
12787	763	7	ferricyanide	ferricyanide	NN
12787	763	8	can	can	MD
12787	763	9	be	be	VB
12787	763	10	purified	purify	VBN
12787	763	11	by	by	IN
12787	763	12	adding	add	VBG
12787	763	13	to	to	IN
12787	763	14	its	-PRON-	PRP$
12787	763	15	solution	solution	NN
12787	763	16	a	a	DT
12787	763	17	little	little	JJ
12787	763	18	bromine	bromine	NN
12787	763	19	water	water	NN
12787	763	20	and	and	CC
12787	763	21	recrystallizing	recrystallize	VBG
12787	763	22	the	the	DT
12787	763	23	compound	compound	NN
12787	763	24	.	.	.
12787	764	1	COMPARISON	COMPARISON	NNP
12787	764	2	OF	of	IN
12787	764	3	OXIDIZING	OXIDIZING	NNP
12787	764	4	AND	and	CC
12787	764	5	REDUCING	REDUCING	NNP
12787	764	6	SOLUTIONS	SOLUTIONS	NNP
12787	764	7	PROCEDURE.--Fill	PROCEDURE.--Fill	NNP
12787	764	8	one	one	CD
12787	764	9	burette	burette	NN
12787	764	10	with	with	IN
12787	764	11	each	each	DT
12787	764	12	of	of	IN
12787	764	13	the	the	DT
12787	764	14	solutions	solution	NNS
12787	764	15	,	,	,
12787	764	16	observing	observe	VBG
12787	764	17	the	the	DT
12787	764	18	general	general	JJ
12787	764	19	procedure	procedure	NN
12787	764	20	with	with	IN
12787	764	21	respect	respect	NN
12787	764	22	to	to	IN
12787	764	23	cleaning	clean	VBG
12787	764	24	and	and	CC
12787	764	25	rinsing	rinse	VBG
12787	764	26	already	already	RB
12787	764	27	prescribed	prescribe	VBN
12787	764	28	.	.	.
12787	765	1	The	the	DT
12787	765	2	bichromate	bichromate	NN
12787	765	3	solution	solution	NN
12787	765	4	is	be	VBZ
12787	765	5	preferably	preferably	RB
12787	765	6	to	to	TO
12787	765	7	be	be	VB
12787	765	8	placed	place	VBN
12787	765	9	in	in	IN
12787	765	10	a	a	DT
12787	765	11	glass	glass	NN
12787	765	12	-	-	HYPH
12787	765	13	stoppered	stopper	VBN
12787	765	14	burette	burette	NN
12787	765	15	.	.	.
12787	766	1	Run	run	VB
12787	766	2	out	out	RP
12787	766	3	from	from	IN
12787	766	4	a	a	DT
12787	766	5	burette	burette	NN
12787	766	6	into	into	IN
12787	766	7	a	a	DT
12787	766	8	beaker	beaker	NN
12787	766	9	of	of	IN
12787	766	10	about	about	RB
12787	766	11	300	300	CD
12787	766	12	cc	cc	NN
12787	766	13	.	.	.
12787	767	1	capacity	capacity	NN
12787	767	2	nearly	nearly	RB
12787	767	3	40	40	CD
12787	767	4	cc	cc	NN
12787	767	5	.	.	.
12787	768	1	of	of	IN
12787	768	2	the	the	DT
12787	768	3	ferrous	ferrous	JJ
12787	768	4	solution	solution	NN
12787	768	5	,	,	,
12787	768	6	add	add	VB
12787	768	7	15	15	CD
12787	768	8	cc	cc	NN
12787	768	9	.	.	.
12787	769	1	of	of	IN
12787	769	2	dilute	dilute	NNP
12787	769	3	hydrochloric	hydrochloric	NNP
12787	769	4	acid	acid	NNP
12787	769	5	(	(	-LRB-
12787	769	6	sp	sp	NNP
12787	769	7	.	.	.
12787	770	1	gr	gr	NNP
12787	770	2	.	.	.
12787	771	1	1.12	1.12	CD
12787	771	2	)	)	-RRB-
12787	771	3	and	and	CC
12787	771	4	150	150	CD
12787	771	5	cc	cc	NN
12787	771	6	.	.	.
12787	772	1	of	of	IN
12787	772	2	water	water	NN
12787	772	3	and	and	CC
12787	772	4	run	run	VB
12787	772	5	in	in	IN
12787	772	6	the	the	DT
12787	772	7	bichromate	bichromate	NN
12787	772	8	solution	solution	NN
12787	772	9	from	from	IN
12787	772	10	another	another	DT
12787	772	11	burette	burette	NN
12787	772	12	.	.	.
12787	773	1	Since	since	IN
12787	773	2	both	both	DT
12787	773	3	solutions	solution	NNS
12787	773	4	are	be	VBP
12787	773	5	approximately	approximately	RB
12787	773	6	tenth	tenth	JJ
12787	773	7	-	-	HYPH
12787	773	8	normal	normal	JJ
12787	773	9	,	,	,
12787	773	10	35	35	CD
12787	773	11	cc	cc	NN
12787	773	12	.	.	.
12787	774	1	of	of	IN
12787	774	2	the	the	DT
12787	774	3	bichromate	bichromate	NN
12787	774	4	solution	solution	NN
12787	774	5	may	may	MD
12787	774	6	be	be	VB
12787	774	7	added	add	VBN
12787	774	8	without	without	IN
12787	774	9	testing	testing	NN
12787	774	10	.	.	.
12787	775	1	Test	test	VB
12787	775	2	at	at	IN
12787	775	3	that	that	DT
12787	775	4	point	point	NN
12787	775	5	by	by	IN
12787	775	6	removing	remove	VBG
12787	775	7	a	a	DT
12787	775	8	very	very	RB
12787	775	9	small	small	JJ
12787	775	10	drop	drop	NN
12787	775	11	of	of	IN
12787	775	12	the	the	DT
12787	775	13	iron	iron	NN
12787	775	14	solution	solution	NN
12787	775	15	on	on	IN
12787	775	16	the	the	DT
12787	775	17	end	end	NN
12787	775	18	of	of	IN
12787	775	19	a	a	DT
12787	775	20	stirring	stirring	JJ
12787	775	21	rod	rod	NN
12787	775	22	,	,	,
12787	775	23	mixing	mix	VBG
12787	775	24	it	-PRON-	PRP
12787	775	25	with	with	IN
12787	775	26	a	a	DT
12787	775	27	drop	drop	NN
12787	775	28	of	of	IN
12787	775	29	indicator	indicator	NN
12787	775	30	on	on	IN
12787	775	31	the	the	DT
12787	775	32	tile	tile	NN
12787	775	33	(	(	-LRB-
12787	775	34	Note	note	NN
12787	775	35	1	1	CD
12787	775	36	)	)	-RRB-
12787	775	37	.	.	.
12787	776	1	If	if	IN
12787	776	2	a	a	DT
12787	776	3	blue	blue	JJ
12787	776	4	precipitate	precipitate	NN
12787	776	5	appears	appear	VBZ
12787	776	6	at	at	IN
12787	776	7	once	once	RB
12787	776	8	,	,	,
12787	776	9	0.5	0.5	CD
12787	776	10	cc	cc	NN
12787	776	11	.	.	.
12787	777	1	of	of	IN
12787	777	2	the	the	DT
12787	777	3	bichromate	bichromate	NN
12787	777	4	solution	solution	NN
12787	777	5	may	may	MD
12787	777	6	be	be	VB
12787	777	7	added	add	VBN
12787	777	8	before	before	IN
12787	777	9	testing	test	VBG
12787	777	10	again	again	RB
12787	777	11	.	.	.
12787	778	1	The	the	DT
12787	778	2	stirring	stirring	JJ
12787	778	3	rod	rod	NN
12787	778	4	which	which	WDT
12787	778	5	has	have	VBZ
12787	778	6	touched	touch	VBN
12787	778	7	the	the	DT
12787	778	8	indicator	indicator	NN
12787	778	9	should	should	MD
12787	778	10	be	be	VB
12787	778	11	dipped	dip	VBN
12787	778	12	in	in	IN
12787	778	13	distilled	distil	VBN
12787	778	14	water	water	NN
12787	778	15	before	before	IN
12787	778	16	returning	return	VBG
12787	778	17	it	-PRON-	PRP
12787	778	18	to	to	IN
12787	778	19	the	the	DT
12787	778	20	iron	iron	NN
12787	778	21	solution	solution	NN
12787	778	22	.	.	.
12787	779	1	As	as	RB
12787	779	2	soon	soon	RB
12787	779	3	as	as	IN
12787	779	4	the	the	DT
12787	779	5	blue	blue	JJ
12787	779	6	appears	appear	VBZ
12787	779	7	to	to	TO
12787	779	8	be	be	VB
12787	779	9	less	less	RBR
12787	779	10	intense	intense	JJ
12787	779	11	,	,	,
12787	779	12	add	add	VB
12787	779	13	the	the	DT
12787	779	14	bichromate	bichromate	NN
12787	779	15	solution	solution	NN
12787	779	16	in	in	IN
12787	779	17	small	small	JJ
12787	779	18	portions	portion	NNS
12787	779	19	,	,	,
12787	779	20	finally	finally	RB
12787	779	21	a	a	DT
12787	779	22	single	single	JJ
12787	779	23	drop	drop	NN
12787	779	24	at	at	IN
12787	779	25	a	a	DT
12787	779	26	time	time	NN
12787	779	27	,	,	,
12787	779	28	until	until	IN
12787	779	29	the	the	DT
12787	779	30	point	point	NN
12787	779	31	is	be	VBZ
12787	779	32	reached	reach	VBN
12787	779	33	at	at	IN
12787	779	34	which	which	WDT
12787	779	35	no	no	DT
12787	779	36	blue	blue	JJ
12787	779	37	color	color	NN
12787	779	38	appears	appear	VBZ
12787	779	39	after	after	IN
12787	779	40	the	the	DT
12787	779	41	lapse	lapse	NN
12787	779	42	of	of	IN
12787	779	43	thirty	thirty	CD
12787	779	44	seconds	second	NNS
12787	779	45	from	from	IN
12787	779	46	the	the	DT
12787	779	47	time	time	NN
12787	779	48	of	of	IN
12787	779	49	mixing	mix	VBG
12787	779	50	solution	solution	NN
12787	779	51	and	and	CC
12787	779	52	indicator	indicator	NN
12787	779	53	.	.	.
12787	780	1	At	at	IN
12787	780	2	the	the	DT
12787	780	3	close	close	NN
12787	780	4	of	of	IN
12787	780	5	the	the	DT
12787	780	6	titration	titration	NN
12787	780	7	a	a	DT
12787	780	8	large	large	JJ
12787	780	9	drop	drop	NN
12787	780	10	of	of	IN
12787	780	11	the	the	DT
12787	780	12	iron	iron	NN
12787	780	13	solution	solution	NN
12787	780	14	should	should	MD
12787	780	15	be	be	VB
12787	780	16	taken	take	VBN
12787	780	17	for	for	IN
12787	780	18	the	the	DT
12787	780	19	test	test	NN
12787	780	20	.	.	.
12787	781	1	To	to	TO
12787	781	2	determine	determine	VB
12787	781	3	the	the	DT
12787	781	4	end	end	NN
12787	781	5	-	-	HYPH
12787	781	6	point	point	NN
12787	781	7	beyond	beyond	IN
12787	781	8	any	any	DT
12787	781	9	question	question	NN
12787	781	10	,	,	,
12787	781	11	as	as	RB
12787	781	12	soon	soon	RB
12787	781	13	as	as	IN
12787	781	14	the	the	DT
12787	781	15	thirty	thirty	CD
12787	781	16	seconds	second	NNS
12787	781	17	have	have	VBP
12787	781	18	elapsed	elapse	VBN
12787	781	19	remove	remove	VB
12787	781	20	another	another	DT
12787	781	21	drop	drop	NN
12787	781	22	of	of	IN
12787	781	23	the	the	DT
12787	781	24	solution	solution	NN
12787	781	25	of	of	IN
12787	781	26	the	the	DT
12787	781	27	same	same	JJ
12787	781	28	size	size	NN
12787	781	29	as	as	IN
12787	781	30	that	that	DT
12787	781	31	last	last	JJ
12787	781	32	taken	take	VBN
12787	781	33	and	and	CC
12787	781	34	mix	mix	VB
12787	781	35	it	-PRON-	PRP
12787	781	36	with	with	IN
12787	781	37	the	the	DT
12787	781	38	indicator	indicator	NN
12787	781	39	,	,	,
12787	781	40	placing	place	VBG
12787	781	41	it	-PRON-	PRP
12787	781	42	beside	beside	IN
12787	781	43	the	the	DT
12787	781	44	last	last	JJ
12787	781	45	previous	previous	JJ
12787	781	46	test	test	NN
12787	781	47	.	.	.
12787	782	1	If	if	IN
12787	782	2	this	this	DT
12787	782	3	last	last	JJ
12787	782	4	previous	previous	JJ
12787	782	5	test	test	NN
12787	782	6	shows	show	VBZ
12787	782	7	a	a	DT
12787	782	8	blue	blue	JJ
12787	782	9	tint	tint	NN
12787	782	10	in	in	IN
12787	782	11	comparison	comparison	NN
12787	782	12	with	with	IN
12787	782	13	the	the	DT
12787	782	14	fresh	fresh	JJ
12787	782	15	mixture	mixture	NN
12787	782	16	,	,	,
12787	782	17	the	the	DT
12787	782	18	end	end	NN
12787	782	19	-	-	HYPH
12787	782	20	point	point	NN
12787	782	21	has	have	VBZ
12787	782	22	not	not	RB
12787	782	23	been	be	VBN
12787	782	24	reached	reach	VBN
12787	782	25	;	;	:
12787	782	26	if	if	IN
12787	782	27	no	no	DT
12787	782	28	difference	difference	NN
12787	782	29	can	can	MD
12787	782	30	be	be	VB
12787	782	31	noted	note	VBN
12787	782	32	the	the	DT
12787	782	33	reaction	reaction	NN
12787	782	34	is	be	VBZ
12787	782	35	complete	complete	JJ
12787	782	36	.	.	.
12787	783	1	Should	Should	MD
12787	783	2	the	the	DT
12787	783	3	end	end	NN
12787	783	4	-	-	HYPH
12787	783	5	point	point	NN
12787	783	6	be	be	VB
12787	783	7	overstepped	overstep	VBN
12787	783	8	,	,	,
12787	783	9	a	a	DT
12787	783	10	little	little	JJ
12787	783	11	more	more	JJR
12787	783	12	of	of	IN
12787	783	13	the	the	DT
12787	783	14	ferrous	ferrous	JJ
12787	783	15	solution	solution	NN
12787	783	16	may	may	MD
12787	783	17	be	be	VB
12787	783	18	added	add	VBN
12787	783	19	and	and	CC
12787	783	20	the	the	DT
12787	783	21	end	end	NN
12787	783	22	-	-	HYPH
12787	783	23	point	point	NN
12787	783	24	definitely	definitely	RB
12787	783	25	fixed	fix	VBN
12787	783	26	.	.	.
12787	784	1	From	from	IN
12787	784	2	the	the	DT
12787	784	3	volumes	volume	NNS
12787	784	4	of	of	IN
12787	784	5	the	the	DT
12787	784	6	solutions	solution	NNS
12787	784	7	used	use	VBN
12787	784	8	,	,	,
12787	784	9	after	after	IN
12787	784	10	applying	apply	VBG
12787	784	11	corrections	correction	NNS
12787	784	12	for	for	IN
12787	784	13	burette	burette	NN
12787	784	14	readings	reading	NNS
12787	784	15	,	,	,
12787	784	16	and	and	CC
12787	784	17	,	,	,
12787	784	18	if	if	IN
12787	784	19	need	need	NN
12787	784	20	be	be	VB
12787	784	21	,	,	,
12787	784	22	for	for	IN
12787	784	23	the	the	DT
12787	784	24	temperature	temperature	NN
12787	784	25	of	of	IN
12787	784	26	solutions	solution	NNS
12787	784	27	,	,	,
12787	784	28	calculate	calculate	VB
12787	784	29	the	the	DT
12787	784	30	value	value	NN
12787	784	31	of	of	IN
12787	784	32	the	the	DT
12787	784	33	ferrous	ferrous	JJ
12787	784	34	solution	solution	NN
12787	784	35	in	in	IN
12787	784	36	terms	term	NNS
12787	784	37	of	of	IN
12787	784	38	the	the	DT
12787	784	39	oxidizing	oxidizing	JJ
12787	784	40	solution	solution	NN
12787	784	41	.	.	.
12787	785	1	[	[	-LRB-
12787	785	2	Note	note	NN
12787	785	3	1	1	CD
12787	785	4	:	:	:
12787	785	5	The	the	DT
12787	785	6	accuracy	accuracy	NN
12787	785	7	of	of	IN
12787	785	8	the	the	DT
12787	785	9	work	work	NN
12787	785	10	may	may	MD
12787	785	11	be	be	VB
12787	785	12	much	much	RB
12787	785	13	impaired	impair	VBN
12787	785	14	by	by	IN
12787	785	15	the	the	DT
12787	785	16	removal	removal	NN
12787	785	17	of	of	IN
12787	785	18	unnecessarily	unnecessarily	RB
12787	785	19	large	large	JJ
12787	785	20	quantities	quantity	NNS
12787	785	21	of	of	IN
12787	785	22	solution	solution	NN
12787	785	23	for	for	IN
12787	785	24	the	the	DT
12787	785	25	tests	test	NNS
12787	785	26	.	.	.
12787	786	1	At	at	IN
12787	786	2	the	the	DT
12787	786	3	beginning	beginning	NN
12787	786	4	of	of	IN
12787	786	5	the	the	DT
12787	786	6	titration	titration	NN
12787	786	7	,	,	,
12787	786	8	while	while	IN
12787	786	9	much	much	JJ
12787	786	10	ferrous	ferrous	JJ
12787	786	11	iron	iron	NN
12787	786	12	is	be	VBZ
12787	786	13	still	still	RB
12787	786	14	present	present	JJ
12787	786	15	,	,	,
12787	786	16	the	the	DT
12787	786	17	end	end	NN
12787	786	18	of	of	IN
12787	786	19	the	the	DT
12787	786	20	stirring	stirring	JJ
12787	786	21	rod	rod	NN
12787	786	22	need	nee	MD
12787	786	23	only	only	RB
12787	786	24	be	be	VB
12787	786	25	moist	moist	JJ
12787	786	26	with	with	IN
12787	786	27	the	the	DT
12787	786	28	solution	solution	NN
12787	786	29	;	;	:
12787	786	30	but	but	CC
12787	786	31	at	at	IN
12787	786	32	the	the	DT
12787	786	33	close	close	NN
12787	786	34	of	of	IN
12787	786	35	the	the	DT
12787	786	36	titration	titration	NN
12787	786	37	drops	drop	NNS
12787	786	38	of	of	IN
12787	786	39	considerable	considerable	JJ
12787	786	40	size	size	NN
12787	786	41	may	may	MD
12787	786	42	properly	properly	RB
12787	786	43	be	be	VB
12787	786	44	taken	take	VBN
12787	786	45	for	for	IN
12787	786	46	the	the	DT
12787	786	47	final	final	JJ
12787	786	48	tests	test	NNS
12787	786	49	.	.	.
12787	787	1	The	the	DT
12787	787	2	stirring	stirring	JJ
12787	787	3	rod	rod	NN
12787	787	4	should	should	MD
12787	787	5	be	be	VB
12787	787	6	washed	wash	VBN
12787	787	7	to	to	TO
12787	787	8	prevent	prevent	VB
12787	787	9	transfer	transfer	NN
12787	787	10	of	of	IN
12787	787	11	indicator	indicator	NN
12787	787	12	to	to	IN
12787	787	13	the	the	DT
12787	787	14	main	main	JJ
12787	787	15	solution	solution	NN
12787	787	16	.	.	.
12787	788	1	This	this	DT
12787	788	2	cautious	cautious	JJ
12787	788	3	removal	removal	NN
12787	788	4	of	of	IN
12787	788	5	solution	solution	NN
12787	788	6	does	do	VBZ
12787	788	7	not	not	RB
12787	788	8	seriously	seriously	RB
12787	788	9	affect	affect	VB
12787	788	10	the	the	DT
12787	788	11	accuracy	accuracy	NN
12787	788	12	of	of	IN
12787	788	13	the	the	DT
12787	788	14	determination	determination	NN
12787	788	15	,	,	,
12787	788	16	as	as	IN
12787	788	17	it	-PRON-	PRP
12787	788	18	will	will	MD
12787	788	19	be	be	VB
12787	788	20	noted	note	VBN
12787	788	21	that	that	IN
12787	788	22	the	the	DT
12787	788	23	volume	volume	NN
12787	788	24	of	of	IN
12787	788	25	the	the	DT
12787	788	26	titrated	titrated	JJ
12787	788	27	solution	solution	NN
12787	788	28	is	be	VBZ
12787	788	29	about	about	RB
12787	788	30	200	200	CD
12787	788	31	cc	cc	NN
12787	788	32	.	.	.
12787	789	1	and	and	CC
12787	789	2	the	the	DT
12787	789	3	portions	portion	NNS
12787	789	4	removed	remove	VBN
12787	789	5	are	be	VBP
12787	789	6	very	very	RB
12787	789	7	small	small	JJ
12787	789	8	.	.	.
12787	790	1	Moreover	moreover	RB
12787	790	2	,	,	,
12787	790	3	if	if	IN
12787	790	4	the	the	DT
12787	790	5	procedure	procedure	NN
12787	790	6	is	be	VBZ
12787	790	7	followed	follow	VBN
12787	790	8	as	as	IN
12787	790	9	prescribed	prescribe	VBN
12787	790	10	,	,	,
12787	790	11	the	the	DT
12787	790	12	concentration	concentration	NN
12787	790	13	of	of	IN
12787	790	14	unoxidized	unoxidized	JJ
12787	790	15	iron	iron	NN
12787	790	16	decreases	decrease	NNS
12787	790	17	very	very	RB
12787	790	18	rapidly	rapidly	RB
12787	790	19	as	as	IN
12787	790	20	the	the	DT
12787	790	21	titration	titration	NN
12787	790	22	is	be	VBZ
12787	790	23	carried	carry	VBN
12787	790	24	out	out	RP
12787	790	25	so	so	IN
12787	790	26	that	that	IN
12787	790	27	when	when	WRB
12787	790	28	the	the	DT
12787	790	29	final	final	JJ
12787	790	30	tests	test	NNS
12787	790	31	are	be	VBP
12787	790	32	made	make	VBN
12787	790	33	,	,	,
12787	790	34	though	though	IN
12787	790	35	large	large	JJ
12787	790	36	drops	drop	NNS
12787	790	37	may	may	MD
12787	790	38	be	be	VB
12787	790	39	taken	take	VBN
12787	790	40	,	,	,
12787	790	41	the	the	DT
12787	790	42	amount	amount	NN
12787	790	43	of	of	IN
12787	790	44	ferrous	ferrous	JJ
12787	790	45	iron	iron	NN
12787	790	46	is	be	VBZ
12787	790	47	not	not	RB
12787	790	48	sufficient	sufficient	JJ
12787	790	49	to	to	TO
12787	790	50	produce	produce	VB
12787	790	51	any	any	DT
12787	790	52	appreciable	appreciable	JJ
12787	790	53	error	error	NN
12787	790	54	in	in	IN
12787	790	55	results	result	NNS
12787	790	56	.	.	.
12787	791	1	If	if	IN
12787	791	2	the	the	DT
12787	791	3	end	end	NN
12787	791	4	-	-	HYPH
12787	791	5	point	point	NN
12787	791	6	is	be	VBZ
12787	791	7	determined	determine	VBN
12787	791	8	as	as	IN
12787	791	9	prescribed	prescribe	VBN
12787	791	10	,	,	,
12787	791	11	it	-PRON-	PRP
12787	791	12	can	can	MD
12787	791	13	be	be	VB
12787	791	14	as	as	RB
12787	791	15	accurately	accurately	RB
12787	791	16	fixed	fix	VBN
12787	791	17	as	as	IN
12787	791	18	that	that	DT
12787	791	19	of	of	IN
12787	791	20	other	other	JJ
12787	791	21	methods	method	NNS
12787	791	22	;	;	,
12787	791	23	and	and	CC
12787	791	24	if	if	IN
12787	791	25	a	a	DT
12787	791	26	ferrous	ferrous	JJ
12787	791	27	solution	solution	NN
12787	791	28	is	be	VBZ
12787	791	29	at	at	IN
12787	791	30	hand	hand	NN
12787	791	31	,	,	,
12787	791	32	the	the	DT
12787	791	33	titration	titration	NN
12787	791	34	need	nee	MD
12787	791	35	consume	consume	VB
12787	791	36	hardly	hardly	RB
12787	791	37	more	more	JJR
12787	791	38	time	time	NN
12787	791	39	than	than	IN
12787	791	40	that	that	DT
12787	791	41	of	of	IN
12787	791	42	the	the	DT
12787	791	43	permanganate	permanganate	JJ
12787	791	44	process	process	NN
12787	791	45	to	to	TO
12787	791	46	be	be	VB
12787	791	47	described	describe	VBN
12787	791	48	later	later	RB
12787	791	49	on	on	RB
12787	791	50	.	.	.
12787	791	51	]	]	-RRB-
12787	792	1	STANDARDIZATION	STANDARDIZATION	VBN
12787	792	2	OF	of	IN
12787	792	3	POTASSIUM	POTASSIUM	NNP
12787	792	4	BICHROMATE	BICHROMATE	NNP
12787	792	5	SOLUTIONS	SOLUTIONS	NNP
12787	792	6	!	!	.
12787	792	7	Selection	selection	NN
12787	792	8	of	of	IN
12787	792	9	a	a	DT
12787	792	10	Standard	Standard	NNP
12787	792	11	!	!	.
12787	793	1	A	a	DT
12787	793	2	substance	substance	NN
12787	793	3	which	which	WDT
12787	793	4	will	will	MD
12787	793	5	serve	serve	VB
12787	793	6	satisfactorily	satisfactorily	RB
12787	793	7	as	as	IN
12787	793	8	a	a	DT
12787	793	9	standard	standard	NN
12787	793	10	for	for	IN
12787	793	11	oxidizing	oxidize	VBG
12787	793	12	solutions	solution	NNS
12787	793	13	must	must	MD
12787	793	14	possess	possess	VB
12787	793	15	certain	certain	JJ
12787	793	16	specific	specific	JJ
12787	793	17	properties	property	NNS
12787	793	18	:	:	:
12787	793	19	It	-PRON-	PRP
12787	793	20	must	must	MD
12787	793	21	be	be	VB
12787	793	22	of	of	IN
12787	793	23	accurately	accurately	RB
12787	793	24	known	know	VBN
12787	793	25	composition	composition	NN
12787	793	26	and	and	CC
12787	793	27	definite	definite	NN
12787	793	28	in	in	IN
12787	793	29	its	-PRON-	PRP$
12787	793	30	behavior	behavior	NN
12787	793	31	as	as	IN
12787	793	32	a	a	DT
12787	793	33	reducing	reduce	VBG
12787	793	34	agent	agent	NN
12787	793	35	,	,	,
12787	793	36	and	and	CC
12787	793	37	it	-PRON-	PRP
12787	793	38	must	must	MD
12787	793	39	be	be	VB
12787	793	40	permanent	permanent	JJ
12787	793	41	against	against	IN
12787	793	42	oxidation	oxidation	NN
12787	793	43	in	in	IN
12787	793	44	the	the	DT
12787	793	45	air	air	NN
12787	793	46	,	,	,
12787	793	47	at	at	IN
12787	793	48	least	least	JJS
12787	793	49	for	for	IN
12787	793	50	considerable	considerable	JJ
12787	793	51	periods	period	NNS
12787	793	52	.	.	.
12787	794	1	Such	such	JJ
12787	794	2	standards	standard	NNS
12787	794	3	may	may	MD
12787	794	4	take	take	VB
12787	794	5	the	the	DT
12787	794	6	form	form	NN
12787	794	7	of	of	IN
12787	794	8	pure	pure	JJ
12787	794	9	crystalline	crystalline	NN
12787	794	10	salts	salt	NNS
12787	794	11	,	,	,
12787	794	12	such	such	JJ
12787	794	13	as	as	IN
12787	794	14	ferrous	ferrous	JJ
12787	794	15	ammonium	ammonium	NN
12787	794	16	sulphate	sulphate	NN
12787	794	17	,	,	,
12787	794	18	or	or	CC
12787	794	19	may	may	MD
12787	794	20	be	be	VB
12787	794	21	in	in	IN
12787	794	22	the	the	DT
12787	794	23	form	form	NN
12787	794	24	of	of	IN
12787	794	25	iron	iron	NN
12787	794	26	wire	wire	NN
12787	794	27	or	or	CC
12787	794	28	an	an	DT
12787	794	29	iron	iron	NN
12787	794	30	ore	ore	NN
12787	794	31	of	of	IN
12787	794	32	known	know	VBN
12787	794	33	iron	iron	NN
12787	794	34	content	content	NN
12787	794	35	.	.	.
12787	795	1	It	-PRON-	PRP
12787	795	2	is	be	VBZ
12787	795	3	not	not	RB
12787	795	4	necessary	necessary	JJ
12787	795	5	that	that	IN
12787	795	6	the	the	DT
12787	795	7	standard	standard	NN
12787	795	8	should	should	MD
12787	795	9	be	be	VB
12787	795	10	of	of	IN
12787	795	11	100	100	CD
12787	795	12	per	per	NN
12787	795	13	cent	cent	NN
12787	795	14	purity	purity	NN
12787	795	15	,	,	,
12787	795	16	provided	provide	VBD
12787	795	17	the	the	DT
12787	795	18	content	content	NN
12787	795	19	of	of	IN
12787	795	20	the	the	DT
12787	795	21	active	active	JJ
12787	795	22	reducing	reduce	VBG
12787	795	23	agent	agent	NN
12787	795	24	is	be	VBZ
12787	795	25	known	know	VBN
12787	795	26	and	and	CC
12787	795	27	no	no	DT
12787	795	28	interfering	interfering	JJ
12787	795	29	substances	substance	NNS
12787	795	30	are	be	VBP
12787	795	31	present	present	JJ
12787	795	32	.	.	.
12787	796	1	The	the	DT
12787	796	2	two	two	CD
12787	796	3	substances	substance	NNS
12787	796	4	most	most	RBS
12787	796	5	commonly	commonly	RB
12787	796	6	used	use	VBN
12787	796	7	as	as	IN
12787	796	8	standards	standard	NNS
12787	796	9	for	for	IN
12787	796	10	a	a	DT
12787	796	11	bichromate	bichromate	NN
12787	796	12	solution	solution	NN
12787	796	13	are	be	VBP
12787	796	14	ferrous	ferrous	JJ
12787	796	15	ammonium	ammonium	NN
12787	796	16	sulphate	sulphate	NN
12787	796	17	and	and	CC
12787	796	18	iron	iron	NN
12787	796	19	wire	wire	NN
12787	796	20	.	.	.
12787	797	1	A	a	DT
12787	797	2	standard	standard	JJ
12787	797	3	wire	wire	NN
12787	797	4	is	be	VBZ
12787	797	5	to	to	TO
12787	797	6	be	be	VB
12787	797	7	purchased	purchase	VBN
12787	797	8	in	in	IN
12787	797	9	the	the	DT
12787	797	10	market	market	NN
12787	797	11	which	which	WDT
12787	797	12	answers	answer	VBZ
12787	797	13	the	the	DT
12787	797	14	purpose	purpose	NN
12787	797	15	well	well	UH
12787	797	16	,	,	,
12787	797	17	and	and	CC
12787	797	18	its	-PRON-	PRP$
12787	797	19	iron	iron	NN
12787	797	20	content	content	NN
12787	797	21	may	may	MD
12787	797	22	be	be	VB
12787	797	23	determined	determine	VBN
12787	797	24	for	for	IN
12787	797	25	each	each	DT
12787	797	26	lot	lot	NN
12787	797	27	purchased	purchase	VBN
12787	797	28	by	by	IN
12787	797	29	a	a	DT
12787	797	30	number	number	NN
12787	797	31	of	of	IN
12787	797	32	gravimetric	gravimetric	NN
12787	797	33	determinations	determination	NNS
12787	797	34	.	.	.
12787	798	1	It	-PRON-	PRP
12787	798	2	may	may	MD
12787	798	3	best	well	RBS
12787	798	4	be	be	VB
12787	798	5	preserved	preserve	VBN
12787	798	6	in	in	IN
12787	798	7	jars	jar	NNS
12787	798	8	containing	contain	VBG
12787	798	9	calcium	calcium	NN
12787	798	10	chloride	chloride	NN
12787	798	11	,	,	,
12787	798	12	but	but	CC
12787	798	13	this	this	DT
12787	798	14	must	must	MD
12787	798	15	not	not	RB
12787	798	16	be	be	VB
12787	798	17	allowed	allow	VBN
12787	798	18	to	to	TO
12787	798	19	come	come	VB
12787	798	20	into	into	IN
12787	798	21	contact	contact	NN
12787	798	22	with	with	IN
12787	798	23	the	the	DT
12787	798	24	wire	wire	NN
12787	798	25	.	.	.
12787	799	1	It	-PRON-	PRP
12787	799	2	should	should	MD
12787	799	3	,	,	,
12787	799	4	however	however	RB
12787	799	5	,	,	,
12787	799	6	even	even	RB
12787	799	7	then	then	RB
12787	799	8	be	be	VB
12787	799	9	examined	examine	VBN
12787	799	10	carefully	carefully	RB
12787	799	11	for	for	IN
12787	799	12	rust	rust	NN
12787	799	13	before	before	IN
12787	799	14	use	use	NN
12787	799	15	.	.	.
12787	800	1	If	if	IN
12787	800	2	pure	pure	JJ
12787	800	3	ferrous	ferrous	JJ
12787	800	4	ammonium	ammonium	NN
12787	800	5	sulphate	sulphate	NN
12787	800	6	is	be	VBZ
12787	800	7	used	use	VBN
12787	800	8	as	as	IN
12787	800	9	the	the	DT
12787	800	10	standard	standard	JJ
12787	800	11	,	,	,
12787	800	12	clear	clear	JJ
12787	800	13	crystals	crystal	NNS
12787	800	14	only	only	RB
12787	800	15	should	should	MD
12787	800	16	be	be	VB
12787	800	17	selected	select	VBN
12787	800	18	.	.	.
12787	801	1	It	-PRON-	PRP
12787	801	2	is	be	VBZ
12787	801	3	perhaps	perhaps	RB
12787	801	4	even	even	RB
12787	801	5	better	well	JJR
12787	801	6	to	to	TO
12787	801	7	determine	determine	VB
12787	801	8	by	by	IN
12787	801	9	gravimetric	gravimetric	NN
12787	801	10	methods	method	NNS
12787	801	11	once	once	RB
12787	801	12	for	for	IN
12787	801	13	all	all	PDT
12787	801	14	the	the	DT
12787	801	15	iron	iron	NN
12787	801	16	content	content	NN
12787	801	17	of	of	IN
12787	801	18	a	a	DT
12787	801	19	large	large	JJ
12787	801	20	commercial	commercial	JJ
12787	801	21	sample	sample	NN
12787	801	22	which	which	WDT
12787	801	23	has	have	VBZ
12787	801	24	been	be	VBN
12787	801	25	ground	grind	VBN
12787	801	26	and	and	CC
12787	801	27	well	well	RB
12787	801	28	mixed	mixed	JJ
12787	801	29	.	.	.
12787	802	1	This	this	DT
12787	802	2	salt	salt	NN
12787	802	3	is	be	VBZ
12787	802	4	permanent	permanent	JJ
12787	802	5	over	over	IN
12787	802	6	long	long	JJ
12787	802	7	periods	period	NNS
12787	802	8	if	if	IN
12787	802	9	kept	keep	VBN
12787	802	10	in	in	IN
12787	802	11	stoppered	stopper	VBN
12787	802	12	containers	container	NNS
12787	802	13	.	.	.
12787	803	1	STANDARDIZATION	STANDARDIZATION	VBN
12787	803	2	PROCEDURE.--Weigh	procedure.--weigh	VB
12787	803	3	out	out	RP
12787	803	4	two	two	CD
12787	803	5	portions	portion	NNS
12787	803	6	of	of	IN
12787	803	7	iron	iron	NN
12787	803	8	wire	wire	NN
12787	803	9	of	of	IN
12787	803	10	about	about	RB
12787	803	11	0.24	0.24	CD
12787	803	12	-	-	HYPH
12787	803	13	0.26	0.26	CD
12787	803	14	gram	gram	NN
12787	803	15	each	each	DT
12787	803	16	,	,	,
12787	803	17	examining	examine	VBG
12787	803	18	the	the	DT
12787	803	19	wire	wire	NN
12787	803	20	carefully	carefully	RB
12787	803	21	for	for	IN
12787	803	22	rust	rust	NN
12787	803	23	.	.	.
12787	804	1	It	-PRON-	PRP
12787	804	2	should	should	MD
12787	804	3	be	be	VB
12787	804	4	handled	handle	VBN
12787	804	5	and	and	CC
12787	804	6	wiped	wipe	VBN
12787	804	7	with	with	IN
12787	804	8	filter	filter	NN
12787	804	9	paper	paper	NN
12787	804	10	(	(	-LRB-
12787	804	11	not	not	RB
12787	804	12	touched	touch	VBN
12787	804	13	by	by	IN
12787	804	14	the	the	DT
12787	804	15	fingers	finger	NNS
12787	804	16	)	)	-RRB-
12787	804	17	,	,	,
12787	804	18	should	should	MD
12787	804	19	be	be	VB
12787	804	20	weighed	weigh	VBN
12787	804	21	on	on	IN
12787	804	22	a	a	DT
12787	804	23	watch	watch	NN
12787	804	24	-	-	HYPH
12787	804	25	glass	glass	NN
12787	804	26	,	,	,
12787	804	27	and	and	CC
12787	804	28	be	be	VB
12787	804	29	bent	bent	JJ
12787	804	30	in	in	IN
12787	804	31	such	such	PDT
12787	804	32	a	a	DT
12787	804	33	way	way	NN
12787	804	34	as	as	IN
12787	804	35	not	not	RB
12787	804	36	to	to	TO
12787	804	37	interfere	interfere	VB
12787	804	38	with	with	IN
12787	804	39	the	the	DT
12787	804	40	movement	movement	NN
12787	804	41	of	of	IN
12787	804	42	the	the	DT
12787	804	43	balance	balance	NN
12787	804	44	.	.	.
12787	805	1	Place	place	NN
12787	805	2	30	30	CD
12787	805	3	cc	cc	NN
12787	805	4	.	.	.
12787	806	1	of	of	IN
12787	806	2	hydrochloric	hydrochloric	NNP
12787	806	3	acid	acid	NN
12787	806	4	(	(	-LRB-
12787	806	5	sp	sp	NNP
12787	806	6	.	.	.
12787	807	1	gr	gr	NNP
12787	807	2	.	.	.
12787	808	1	1.12	1.12	CD
12787	808	2	)	)	-RRB-
12787	808	3	in	in	IN
12787	808	4	each	each	DT
12787	808	5	of	of	IN
12787	808	6	two	two	CD
12787	808	7	300	300	CD
12787	808	8	cc	cc	NN
12787	808	9	.	.	.
12787	809	1	Erlenmeyer	Erlenmeyer	NNP
12787	809	2	flasks	flask	NNS
12787	809	3	,	,	,
12787	809	4	cover	cover	VBP
12787	809	5	them	-PRON-	PRP
12787	809	6	with	with	IN
12787	809	7	watch	watch	NN
12787	809	8	-	-	HYPH
12787	809	9	glasses	glass	NNS
12787	809	10	,	,	,
12787	809	11	and	and	CC
12787	809	12	bring	bring	VB
12787	809	13	the	the	DT
12787	809	14	acid	acid	NN
12787	809	15	just	just	RB
12787	809	16	to	to	IN
12787	809	17	boiling	boil	VBG
12787	809	18	.	.	.
12787	810	1	Remove	remove	VB
12787	810	2	them	-PRON-	PRP
12787	810	3	from	from	IN
12787	810	4	the	the	DT
12787	810	5	flame	flame	NN
12787	810	6	and	and	CC
12787	810	7	drop	drop	NN
12787	810	8	in	in	IN
12787	810	9	the	the	DT
12787	810	10	portions	portion	NNS
12787	810	11	of	of	IN
12787	810	12	wire	wire	NN
12787	810	13	,	,	,
12787	810	14	taking	take	VBG
12787	810	15	great	great	JJ
12787	810	16	care	care	NN
12787	810	17	to	to	TO
12787	810	18	avoid	avoid	VB
12787	810	19	loss	loss	NN
12787	810	20	of	of	IN
12787	810	21	liquid	liquid	NN
12787	810	22	during	during	IN
12787	810	23	solution	solution	NN
12787	810	24	.	.	.
12787	811	1	Boil	Boil	NNP
12787	811	2	for	for	IN
12787	811	3	two	two	CD
12787	811	4	or	or	CC
12787	811	5	three	three	CD
12787	811	6	minutes	minute	NNS
12787	811	7	,	,	,
12787	811	8	keeping	keep	VBG
12787	811	9	the	the	DT
12787	811	10	flasks	flask	NNS
12787	811	11	covered	cover	VBN
12787	811	12	(	(	-LRB-
12787	811	13	Note	note	NN
12787	811	14	1	1	CD
12787	811	15	)	)	-RRB-
12787	811	16	,	,	,
12787	811	17	then	then	RB
12787	811	18	wash	wash	VB
12787	811	19	the	the	DT
12787	811	20	sides	side	NNS
12787	811	21	of	of	IN
12787	811	22	the	the	DT
12787	811	23	flasks	flask	NNS
12787	811	24	and	and	CC
12787	811	25	the	the	DT
12787	811	26	watch	watch	NN
12787	811	27	-	-	HYPH
12787	811	28	glass	glass	NN
12787	811	29	with	with	IN
12787	811	30	a	a	DT
12787	811	31	little	little	JJ
12787	811	32	water	water	NN
12787	811	33	and	and	CC
12787	811	34	add	add	VB
12787	811	35	stannous	stannous	JJ
12787	811	36	chloride	chloride	NN
12787	811	37	solution	solution	NN
12787	811	38	to	to	IN
12787	811	39	the	the	DT
12787	811	40	hot	hot	JJ
12787	811	41	liquid	liquid	NN
12787	811	42	!	!	.
12787	811	43	from	from	IN
12787	811	44	a	a	DT
12787	811	45	dropper	dropper	NN
12787	811	46	!	!	.
12787	812	1	until	until	IN
12787	812	2	the	the	DT
12787	812	3	solution	solution	NN
12787	812	4	is	be	VBZ
12787	812	5	colorless	colorless	JJ
12787	812	6	,	,	,
12787	812	7	but	but	CC
12787	812	8	avoid	avoid	VB
12787	812	9	more	more	JJR
12787	812	10	than	than	IN
12787	812	11	a	a	DT
12787	812	12	drop	drop	NN
12787	812	13	or	or	CC
12787	812	14	two	two	CD
12787	812	15	in	in	IN
12787	812	16	excess	excess	NN
12787	812	17	(	(	-LRB-
12787	812	18	Note	note	NN
12787	812	19	2	2	CD
12787	812	20	)	)	-RRB-
12787	812	21	.	.	.
12787	813	1	Dilute	dilute	NN
12787	813	2	with	with	IN
12787	813	3	150	150	CD
12787	813	4	cc	cc	NN
12787	813	5	.	.	.
12787	814	1	of	of	IN
12787	814	2	water	water	NN
12787	814	3	and	and	CC
12787	814	4	cool	cool	JJ
12787	814	5	!	!	.
12787	814	6	completely	completely	RB
12787	814	7	!	!	.
12787	814	8	.	.	.
12787	815	1	When	when	WRB
12787	815	2	cold	cold	JJ
12787	815	3	,	,	,
12787	815	4	add	add	VBP
12787	815	5	rapidly	rapidly	RB
12787	815	6	about	about	RB
12787	815	7	30	30	CD
12787	815	8	cc	cc	NN
12787	815	9	.	.	.
12787	816	1	of	of	IN
12787	816	2	mercuric	mercuric	NNP
12787	816	3	chloride	chloride	NN
12787	816	4	solution	solution	NN
12787	816	5	.	.	.
12787	817	1	Allow	allow	VB
12787	817	2	the	the	DT
12787	817	3	solutions	solution	NNS
12787	817	4	to	to	TO
12787	817	5	stand	stand	VB
12787	817	6	about	about	RB
12787	817	7	three	three	CD
12787	817	8	minutes	minute	NNS
12787	817	9	and	and	CC
12787	817	10	then	then	RB
12787	817	11	titrate	titrate	VB
12787	817	12	without	without	IN
12787	817	13	further	further	JJ
12787	817	14	delay	delay	NN
12787	817	15	(	(	-LRB-
12787	817	16	Note	note	NN
12787	817	17	3	3	CD
12787	817	18	)	)	-RRB-
12787	817	19	,	,	,
12787	817	20	add	add	VB
12787	817	21	about	about	RB
12787	817	22	35	35	CD
12787	817	23	cc	cc	NN
12787	817	24	.	.	.
12787	818	1	of	of	IN
12787	818	2	the	the	DT
12787	818	3	standard	standard	JJ
12787	818	4	solution	solution	NN
12787	818	5	at	at	IN
12787	818	6	once	once	RB
12787	818	7	and	and	CC
12787	818	8	finish	finish	VB
12787	818	9	the	the	DT
12787	818	10	titration	titration	NN
12787	818	11	as	as	IN
12787	818	12	prescribed	prescribe	VBN
12787	818	13	above	above	RB
12787	818	14	,	,	,
12787	818	15	making	make	VBG
12787	818	16	use	use	NN
12787	818	17	of	of	IN
12787	818	18	the	the	DT
12787	818	19	ferrous	ferrous	JJ
12787	818	20	solution	solution	NN
12787	818	21	if	if	IN
12787	818	22	the	the	DT
12787	818	23	end	end	NN
12787	818	24	-	-	HYPH
12787	818	25	point	point	NN
12787	818	26	should	should	MD
12787	818	27	be	be	VB
12787	818	28	passed	pass	VBN
12787	818	29	.	.	.
12787	819	1	From	from	IN
12787	819	2	the	the	DT
12787	819	3	corrected	correct	VBN
12787	819	4	volumes	volume	NNS
12787	819	5	of	of	IN
12787	819	6	the	the	DT
12787	819	7	bichromate	bichromate	NN
12787	819	8	solution	solution	NN
12787	819	9	required	require	VBN
12787	819	10	to	to	TO
12787	819	11	oxidize	oxidize	VB
12787	819	12	the	the	DT
12787	819	13	iron	iron	NN
12787	819	14	actually	actually	RB
12787	819	15	know	know	VBP
12787	819	16	to	to	TO
12787	819	17	be	be	VB
12787	819	18	present	present	JJ
12787	819	19	in	in	IN
12787	819	20	the	the	DT
12787	819	21	wire	wire	NN
12787	819	22	,	,	,
12787	819	23	calculate	calculate	VB
12787	819	24	the	the	DT
12787	819	25	relation	relation	NN
12787	819	26	of	of	IN
12787	819	27	the	the	DT
12787	819	28	standard	standard	JJ
12787	819	29	solution	solution	NN
12787	819	30	to	to	IN
12787	819	31	the	the	DT
12787	819	32	normal	normal	JJ
12787	819	33	.	.	.
12787	820	1	Repeat	repeat	VB
12787	820	2	the	the	DT
12787	820	3	standardization	standardization	NN
12787	820	4	until	until	IN
12787	820	5	the	the	DT
12787	820	6	results	result	NNS
12787	820	7	are	be	VBP
12787	820	8	concordant	concordant	JJ
12787	820	9	within	within	IN
12787	820	10	at	at	RB
12787	820	11	least	least	RBS
12787	820	12	two	two	CD
12787	820	13	parts	part	NNS
12787	820	14	in	in	IN
12787	820	15	one	one	CD
12787	820	16	thousand	thousand	CD
12787	820	17	.	.	.
12787	821	1	[	[	-LRB-
12787	821	2	Note	note	NN
12787	821	3	1	1	CD
12787	821	4	:	:	:
12787	821	5	The	the	DT
12787	821	6	hydrochloric	hydrochloric	JJ
12787	821	7	acid	acid	NN
12787	821	8	is	be	VBZ
12787	821	9	added	add	VBN
12787	821	10	to	to	IN
12787	821	11	the	the	DT
12787	821	12	ferrous	ferrous	JJ
12787	821	13	solution	solution	NN
12787	821	14	to	to	TO
12787	821	15	insure	insure	VB
12787	821	16	the	the	DT
12787	821	17	presence	presence	NN
12787	821	18	of	of	IN
12787	821	19	at	at	IN
12787	821	20	least	least	JJS
12787	821	21	sufficient	sufficient	JJ
12787	821	22	free	free	JJ
12787	821	23	acid	acid	NN
12787	821	24	for	for	IN
12787	821	25	the	the	DT
12787	821	26	titration	titration	NN
12787	821	27	,	,	,
12787	821	28	as	as	IN
12787	821	29	required	require	VBN
12787	821	30	by	by	IN
12787	821	31	the	the	DT
12787	821	32	equation	equation	NN
12787	821	33	on	on	IN
12787	821	34	page	page	NN
12787	821	35	48	48	CD
12787	821	36	.	.	.
12787	822	1	The	the	DT
12787	822	2	solution	solution	NN
12787	822	3	of	of	IN
12787	822	4	the	the	DT
12787	822	5	wire	wire	NN
12787	822	6	in	in	IN
12787	822	7	hot	hot	JJ
12787	822	8	acid	acid	NN
12787	822	9	and	and	CC
12787	822	10	the	the	DT
12787	822	11	short	short	JJ
12787	822	12	boiling	boiling	NN
12787	822	13	insure	insure	VB
12787	822	14	the	the	DT
12787	822	15	removal	removal	NN
12787	822	16	of	of	IN
12787	822	17	compounds	compound	NNS
12787	822	18	of	of	IN
12787	822	19	hydrogen	hydrogen	NN
12787	822	20	and	and	CC
12787	822	21	carbon	carbon	NN
12787	822	22	which	which	WDT
12787	822	23	are	be	VBP
12787	822	24	formed	form	VBN
12787	822	25	from	from	IN
12787	822	26	the	the	DT
12787	822	27	small	small	JJ
12787	822	28	amount	amount	NN
12787	822	29	of	of	IN
12787	822	30	carbon	carbon	NN
12787	822	31	in	in	IN
12787	822	32	the	the	DT
12787	822	33	iron	iron	NN
12787	822	34	.	.	.
12787	823	1	These	these	DT
12787	823	2	might	may	MD
12787	823	3	be	be	VB
12787	823	4	acted	act	VBN
12787	823	5	upon	upon	IN
12787	823	6	by	by	IN
12787	823	7	the	the	DT
12787	823	8	bichromate	bichromate	NN
12787	823	9	if	if	IN
12787	823	10	not	not	RB
12787	823	11	expelled	expel	VBN
12787	823	12	.	.	.
12787	823	13	]	]	-RRB-
12787	824	1	[	[	-LRB-
12787	824	2	Note	note	NN
12787	824	3	2	2	CD
12787	824	4	:	:	:
12787	824	5	It	-PRON-	PRP
12787	824	6	is	be	VBZ
12787	824	7	plain	plain	JJ
12787	824	8	that	that	IN
12787	824	9	all	all	PDT
12787	824	10	the	the	DT
12787	824	11	iron	iron	NN
12787	824	12	must	must	MD
12787	824	13	be	be	VB
12787	824	14	reduced	reduce	VBN
12787	824	15	to	to	IN
12787	824	16	the	the	DT
12787	824	17	ferrous	ferrous	JJ
12787	824	18	condition	condition	NN
12787	824	19	before	before	IN
12787	824	20	the	the	DT
12787	824	21	titration	titration	NN
12787	824	22	begins	begin	VBZ
12787	824	23	,	,	,
12787	824	24	as	as	IN
12787	824	25	some	some	DT
12787	824	26	oxidation	oxidation	NN
12787	824	27	may	may	MD
12787	824	28	have	have	VB
12787	824	29	occurred	occur	VBN
12787	824	30	from	from	IN
12787	824	31	the	the	DT
12787	824	32	oxygen	oxygen	NN
12787	824	33	of	of	IN
12787	824	34	the	the	DT
12787	824	35	air	air	NN
12787	824	36	during	during	IN
12787	824	37	solution	solution	NN
12787	824	38	.	.	.
12787	825	1	It	-PRON-	PRP
12787	825	2	is	be	VBZ
12787	825	3	also	also	RB
12787	825	4	evident	evident	JJ
12787	825	5	that	that	IN
12787	825	6	any	any	DT
12787	825	7	excess	excess	NN
12787	825	8	of	of	IN
12787	825	9	the	the	DT
12787	825	10	agent	agent	NN
12787	825	11	used	use	VBD
12787	825	12	to	to	TO
12787	825	13	reduce	reduce	VB
12787	825	14	the	the	DT
12787	825	15	iron	iron	NN
12787	825	16	must	must	MD
12787	825	17	be	be	VB
12787	825	18	removed	remove	VBN
12787	825	19	;	;	:
12787	825	20	otherwise	otherwise	RB
12787	825	21	it	-PRON-	PRP
12787	825	22	will	will	MD
12787	825	23	react	react	VB
12787	825	24	with	with	IN
12787	825	25	the	the	DT
12787	825	26	bichromate	bichromate	NN
12787	825	27	added	add	VBN
12787	825	28	later	later	RB
12787	825	29	.	.	.
12787	826	1	The	the	DT
12787	826	2	reagents	reagent	NNS
12787	826	3	available	available	JJ
12787	826	4	for	for	IN
12787	826	5	the	the	DT
12787	826	6	reduction	reduction	NN
12787	826	7	of	of	IN
12787	826	8	iron	iron	NN
12787	826	9	are	be	VBP
12787	826	10	stannous	stannous	JJ
12787	826	11	chloride	chloride	NN
12787	826	12	,	,	,
12787	826	13	sulphurous	sulphurous	JJ
12787	826	14	acid	acid	NN
12787	826	15	,	,	,
12787	826	16	sulphureted	sulphurete	VBN
12787	826	17	hydrogen	hydrogen	NN
12787	826	18	,	,	,
12787	826	19	and	and	CC
12787	826	20	zinc	zinc	NN
12787	826	21	;	;	:
12787	826	22	of	of	IN
12787	826	23	these	these	DT
12787	826	24	stannous	stannous	JJ
12787	826	25	chloride	chloride	NN
12787	826	26	acts	act	NNS
12787	826	27	most	most	RBS
12787	826	28	readily	readily	RB
12787	826	29	,	,	,
12787	826	30	the	the	DT
12787	826	31	completion	completion	NN
12787	826	32	of	of	IN
12787	826	33	the	the	DT
12787	826	34	reaction	reaction	NN
12787	826	35	is	be	VBZ
12787	826	36	most	most	RBS
12787	826	37	easily	easily	RB
12787	826	38	noted	note	VBN
12787	826	39	,	,	,
12787	826	40	and	and	CC
12787	826	41	the	the	DT
12787	826	42	excess	excess	NN
12787	826	43	of	of	IN
12787	826	44	the	the	DT
12787	826	45	reagent	reagent	NN
12787	826	46	is	be	VBZ
12787	826	47	most	most	RBS
12787	826	48	readily	readily	RB
12787	826	49	removed	remove	VBN
12787	826	50	.	.	.
12787	827	1	The	the	DT
12787	827	2	latter	latter	JJ
12787	827	3	object	object	NN
12787	827	4	is	be	VBZ
12787	827	5	accomplished	accomplish	VBN
12787	827	6	by	by	IN
12787	827	7	oxidation	oxidation	NN
12787	827	8	to	to	IN
12787	827	9	stannic	stannic	JJ
12787	827	10	chloride	chloride	NN
12787	827	11	by	by	IN
12787	827	12	means	mean	NNS
12787	827	13	of	of	IN
12787	827	14	mercuric	mercuric	NN
12787	827	15	chloride	chloride	NN
12787	827	16	added	add	VBN
12787	827	17	in	in	IN
12787	827	18	excess	excess	NN
12787	827	19	,	,	,
12787	827	20	as	as	IN
12787	827	21	the	the	DT
12787	827	22	mercuric	mercuric	NN
12787	827	23	salts	salt	NNS
12787	827	24	have	have	VBP
12787	827	25	no	no	DT
12787	827	26	effect	effect	NN
12787	827	27	upon	upon	IN
12787	827	28	ferrous	ferrous	JJ
12787	827	29	iron	iron	NN
12787	827	30	or	or	CC
12787	827	31	the	the	DT
12787	827	32	bichromate	bichromate	NN
12787	827	33	.	.	.
12787	828	1	The	the	DT
12787	828	2	reactions	reaction	NNS
12787	828	3	involved	involve	VBN
12787	828	4	are	be	VBP
12787	828	5	:	:	:
12787	828	6	2FeCl_{3	2fecl_{3	CD
12787	828	7	}	}	-RRB-
12787	828	8	+	+	CC
12787	828	9	SnCl_{2	sncl_{2	NN
12787	828	10	}	}	-RRB-
12787	828	11	--	--	:
12787	828	12	>	>	XX
12787	828	13	2FeCl_{2	2fecl_{2	CD
12787	828	14	}	}	-RRB-
12787	828	15	+	+	CC
12787	828	16	SnCl_{4	SnCl_{4	NNP
12787	828	17	}	}	-RRB-
12787	828	18	SnCl_{2	SnCl_{2	NNP
12787	828	19	}	}	-RRB-
12787	828	20	+	+	CC
12787	828	21	2HgCl_{2	2hgcl_{2	CD
12787	828	22	}	}	-RRB-
12787	828	23	--	--	:
12787	828	24	>	>	XX
12787	828	25	SnCl_{4	SnCl_{4	NNP
12787	828	26	}	}	-RRB-
12787	828	27	+	+	CC
12787	828	28	2HgCl	2hgcl	CD
12787	828	29	The	the	DT
12787	828	30	mercurous	mercurous	JJ
12787	828	31	chloride	chloride	NN
12787	828	32	is	be	VBZ
12787	828	33	precipitated	precipitate	VBN
12787	828	34	.	.	.
12787	829	1	It	-PRON-	PRP
12787	829	2	is	be	VBZ
12787	829	3	essential	essential	JJ
12787	829	4	that	that	IN
12787	829	5	the	the	DT
12787	829	6	solution	solution	NN
12787	829	7	should	should	MD
12787	829	8	be	be	VB
12787	829	9	cold	cold	JJ
12787	829	10	and	and	CC
12787	829	11	that	that	IN
12787	829	12	the	the	DT
12787	829	13	stannous	stannous	JJ
12787	829	14	chloride	chloride	NN
12787	829	15	should	should	MD
12787	829	16	not	not	RB
12787	829	17	be	be	VB
12787	829	18	present	present	JJ
12787	829	19	in	in	IN
12787	829	20	great	great	JJ
12787	829	21	excess	excess	NN
12787	829	22	,	,	,
12787	829	23	otherwise	otherwise	RB
12787	829	24	a	a	DT
12787	829	25	secondary	secondary	JJ
12787	829	26	reaction	reaction	NN
12787	829	27	takes	take	VBZ
12787	829	28	place	place	NN
12787	829	29	,	,	,
12787	829	30	resulting	result	VBG
12787	829	31	in	in	IN
12787	829	32	the	the	DT
12787	829	33	reduction	reduction	NN
12787	829	34	of	of	IN
12787	829	35	the	the	DT
12787	829	36	mercurous	mercurous	JJ
12787	829	37	chloride	chloride	NN
12787	829	38	to	to	IN
12787	829	39	metallic	metallic	JJ
12787	829	40	mercury	mercury	NN
12787	829	41	:	:	:
12787	829	42	SnCl_{2	SnCl_{2	NNP
12787	829	43	}	}	-RRB-
12787	829	44	+	+	NNP
12787	829	45	2HgCl	2hgcl	CD
12787	829	46	--	--	:
12787	829	47	>	>	XX
12787	829	48	SnCl_{4	SnCl_{4	NNP
12787	829	49	}	}	-RRB-
12787	829	50	+	+	SYM
12787	829	51	2Hg	2hg	CD
12787	829	52	.	.	.
12787	830	1	The	the	DT
12787	830	2	occurrence	occurrence	NN
12787	830	3	of	of	IN
12787	830	4	this	this	DT
12787	830	5	secondary	secondary	JJ
12787	830	6	reaction	reaction	NN
12787	830	7	is	be	VBZ
12787	830	8	indicated	indicate	VBN
12787	830	9	by	by	IN
12787	830	10	the	the	DT
12787	830	11	darkening	darkening	NN
12787	830	12	of	of	IN
12787	830	13	the	the	DT
12787	830	14	precipitate	precipitate	NN
12787	830	15	;	;	:
12787	830	16	and	and	CC
12787	830	17	,	,	,
12787	830	18	since	since	IN
12787	830	19	potassium	potassium	NN
12787	830	20	bichromate	bichromate	NN
12787	830	21	oxidizes	oxidize	VBZ
12787	830	22	this	this	DT
12787	830	23	mercury	mercury	NN
12787	830	24	slowly	slowly	RB
12787	830	25	,	,	,
12787	830	26	solutions	solution	NNS
12787	830	27	in	in	IN
12787	830	28	which	which	WDT
12787	830	29	it	-PRON-	PRP
12787	830	30	has	have	VBZ
12787	830	31	been	be	VBN
12787	830	32	precipitated	precipitate	VBN
12787	830	33	are	be	VBP
12787	830	34	worthless	worthless	JJ
12787	830	35	as	as	IN
12787	830	36	iron	iron	NN
12787	830	37	determinations	determination	NNS
12787	830	38	.	.	.
12787	830	39	]	]	-RRB-
12787	831	1	[	[	-LRB-
12787	831	2	Note	note	NN
12787	831	3	3	3	CD
12787	831	4	:	:	:
12787	831	5	The	the	DT
12787	831	6	solution	solution	NN
12787	831	7	should	should	MD
12787	831	8	be	be	VB
12787	831	9	allowed	allow	VBN
12787	831	10	to	to	TO
12787	831	11	stand	stand	VB
12787	831	12	about	about	RB
12787	831	13	three	three	CD
12787	831	14	minutes	minute	NNS
12787	831	15	after	after	IN
12787	831	16	the	the	DT
12787	831	17	addition	addition	NN
12787	831	18	of	of	IN
12787	831	19	mercuric	mercuric	NN
12787	831	20	chloride	chloride	NN
12787	831	21	to	to	TO
12787	831	22	permit	permit	VB
12787	831	23	the	the	DT
12787	831	24	complete	complete	JJ
12787	831	25	deposition	deposition	NN
12787	831	26	of	of	IN
12787	831	27	mercurous	mercurous	JJ
12787	831	28	chloride	chloride	NN
12787	831	29	.	.	.
12787	832	1	It	-PRON-	PRP
12787	832	2	should	should	MD
12787	832	3	then	then	RB
12787	832	4	be	be	VB
12787	832	5	titrated	titrate	VBN
12787	832	6	without	without	IN
12787	832	7	delay	delay	NN
12787	832	8	to	to	TO
12787	832	9	avoid	avoid	VB
12787	832	10	possible	possible	JJ
12787	832	11	reoxidation	reoxidation	NN
12787	832	12	of	of	IN
12787	832	13	the	the	DT
12787	832	14	iron	iron	NN
12787	832	15	by	by	IN
12787	832	16	the	the	DT
12787	832	17	oxygen	oxygen	NN
12787	832	18	of	of	IN
12787	832	19	the	the	DT
12787	832	20	air	air	NN
12787	832	21	.	.	.
12787	832	22	]	]	-RRB-
12787	833	1	DETERMINATION	determination	NN
12787	833	2	OF	of	IN
12787	833	3	IRON	IRON	NNP
12787	833	4	IN	in	IN
12787	833	5	LIMONITE	LIMONITE	NNP
12787	833	6	PROCEDURE.--Grind	PROCEDURE.--Grind	NNP
12787	833	7	the	the	DT
12787	833	8	mineral	mineral	NN
12787	833	9	(	(	-LRB-
12787	833	10	Note	note	NN
12787	833	11	1	1	CD
12787	833	12	)	)	-RRB-
12787	833	13	to	to	IN
12787	833	14	a	a	DT
12787	833	15	fine	fine	JJ
12787	833	16	powder	powder	NN
12787	833	17	.	.	.
12787	834	1	Weigh	weigh	VB
12787	834	2	out	out	RP
12787	834	3	accurately	accurately	RB
12787	834	4	two	two	CD
12787	834	5	portions	portion	NNS
12787	834	6	of	of	IN
12787	834	7	about	about	RB
12787	834	8	0.5	0.5	CD
12787	834	9	gram	gram	NN
12787	834	10	(	(	-LRB-
12787	834	11	Note	note	NN
12787	834	12	2	2	CD
12787	834	13	)	)	-RRB-
12787	834	14	into	into	IN
12787	834	15	porcelain	porcelain	NN
12787	834	16	crucibles	crucible	NNS
12787	834	17	;	;	:
12787	834	18	heat	heat	VB
12787	834	19	these	these	DT
12787	834	20	crucibles	crucible	NNS
12787	834	21	to	to	IN
12787	834	22	dull	dull	JJ
12787	834	23	redness	redness	NN
12787	834	24	for	for	IN
12787	834	25	ten	ten	CD
12787	834	26	minutes	minute	NNS
12787	834	27	,	,	,
12787	834	28	allow	allow	VB
12787	834	29	them	-PRON-	PRP
12787	834	30	to	to	TO
12787	834	31	cool	cool	VB
12787	834	32	,	,	,
12787	834	33	and	and	CC
12787	834	34	place	place	VB
12787	834	35	them	-PRON-	PRP
12787	834	36	,	,	,
12787	834	37	with	with	IN
12787	834	38	their	-PRON-	PRP$
12787	834	39	contents	content	NNS
12787	834	40	,	,	,
12787	834	41	in	in	IN
12787	834	42	beakers	beaker	NNS
12787	834	43	containing	contain	VBG
12787	834	44	30	30	CD
12787	834	45	cc	cc	NN
12787	834	46	.	.	.
12787	835	1	of	of	IN
12787	835	2	dilute	dilute	NNP
12787	835	3	hydrochloric	hydrochloric	NNP
12787	835	4	acid	acid	NNP
12787	835	5	(	(	-LRB-
12787	835	6	sp	sp	NNP
12787	835	7	.	.	.
12787	836	1	gr	gr	NNP
12787	836	2	.	.	.
12787	837	1	1.12	1.12	CD
12787	837	2	)	)	-RRB-
12787	837	3	.	.	.
12787	838	1	Heat	heat	NN
12787	838	2	at	at	IN
12787	838	3	a	a	DT
12787	838	4	temperature	temperature	NN
12787	838	5	just	just	RB
12787	838	6	below	below	IN
12787	838	7	boiling	boil	VBG
12787	838	8	until	until	IN
12787	838	9	the	the	DT
12787	838	10	undissolved	undissolved	JJ
12787	838	11	residue	residue	NN
12787	838	12	is	be	VBZ
12787	838	13	white	white	JJ
12787	838	14	or	or	CC
12787	838	15	until	until	IN
12787	838	16	solvent	solvent	NN
12787	838	17	action	action	NN
12787	838	18	has	have	VBZ
12787	838	19	ceased	cease	VBN
12787	838	20	.	.	.
12787	839	1	If	if	IN
12787	839	2	the	the	DT
12787	839	3	residue	residue	NN
12787	839	4	is	be	VBZ
12787	839	5	white	white	JJ
12787	839	6	,	,	,
12787	839	7	or	or	CC
12787	839	8	known	know	VBN
12787	839	9	to	to	TO
12787	839	10	be	be	VB
12787	839	11	free	free	JJ
12787	839	12	from	from	IN
12787	839	13	iron	iron	NN
12787	839	14	,	,	,
12787	839	15	it	-PRON-	PRP
12787	839	16	may	may	MD
12787	839	17	be	be	VB
12787	839	18	neglected	neglect	VBN
12787	839	19	and	and	CC
12787	839	20	need	nee	MD
12787	839	21	not	not	RB
12787	839	22	be	be	VB
12787	839	23	removed	remove	VBN
12787	839	24	by	by	IN
12787	839	25	filtration	filtration	NN
12787	839	26	.	.	.
12787	840	1	If	if	IN
12787	840	2	a	a	DT
12787	840	3	dark	dark	JJ
12787	840	4	residue	residue	NN
12787	840	5	remains	remain	VBZ
12787	840	6	,	,	,
12787	840	7	collect	collect	VB
12787	840	8	it	-PRON-	PRP
12787	840	9	on	on	IN
12787	840	10	a	a	DT
12787	840	11	filter	filter	NN
12787	840	12	,	,	,
12787	840	13	wash	wash	VB
12787	840	14	free	free	JJ
12787	840	15	from	from	IN
12787	840	16	hydrochloric	hydrochloric	JJ
12787	840	17	acid	acid	NN
12787	840	18	,	,	,
12787	840	19	and	and	CC
12787	840	20	ignite	ignite	VB
12787	840	21	the	the	DT
12787	840	22	filter	filter	NN
12787	840	23	in	in	IN
12787	840	24	a	a	DT
12787	840	25	platinum	platinum	NN
12787	840	26	crucible	crucible	JJ
12787	840	27	(	(	-LRB-
12787	840	28	Note	note	NN
12787	840	29	3	3	CD
12787	840	30	)	)	-RRB-
12787	840	31	.	.	.
12787	841	1	Mix	mix	VB
12787	841	2	the	the	DT
12787	841	3	ash	ash	NN
12787	841	4	with	with	IN
12787	841	5	five	five	CD
12787	841	6	times	time	NNS
12787	841	7	its	-PRON-	PRP$
12787	841	8	weight	weight	NN
12787	841	9	of	of	IN
12787	841	10	sodium	sodium	NN
12787	841	11	carbonate	carbonate	NN
12787	841	12	and	and	CC
12787	841	13	heat	heat	NN
12787	841	14	to	to	IN
12787	841	15	fusion	fusion	NN
12787	841	16	;	;	:
12787	841	17	cool	cool	JJ
12787	841	18	,	,	,
12787	841	19	and	and	CC
12787	841	20	disintegrate	disintegrate	VB
12787	841	21	the	the	DT
12787	841	22	fused	fused	JJ
12787	841	23	mass	mass	NN
12787	841	24	with	with	IN
12787	841	25	boiling	boiling	NN
12787	841	26	water	water	NN
12787	841	27	in	in	IN
12787	841	28	the	the	DT
12787	841	29	crucible	crucible	NN
12787	841	30	.	.	.
12787	842	1	Unite	unite	VB
12787	842	2	this	this	DT
12787	842	3	solution	solution	NN
12787	842	4	and	and	CC
12787	842	5	precipitate	precipitate	NN
12787	842	6	(	(	-LRB-
12787	842	7	if	if	IN
12787	842	8	any	any	DT
12787	842	9	)	)	-RRB-
12787	842	10	with	with	IN
12787	842	11	the	the	DT
12787	842	12	acid	acid	NN
12787	842	13	solution	solution	NN
12787	842	14	,	,	,
12787	842	15	taking	take	VBG
12787	842	16	care	care	NN
12787	842	17	to	to	TO
12787	842	18	avoid	avoid	VB
12787	842	19	loss	loss	NN
12787	842	20	by	by	IN
12787	842	21	effervescence	effervescence	NN
12787	842	22	.	.	.
12787	843	1	Wash	wash	VB
12787	843	2	out	out	RP
12787	843	3	the	the	DT
12787	843	4	crucible	crucible	NN
12787	843	5	,	,	,
12787	843	6	heat	heat	VB
12787	843	7	the	the	DT
12787	843	8	acid	acid	NN
12787	843	9	solution	solution	NN
12787	843	10	to	to	IN
12787	843	11	boiling	boil	VBG
12787	843	12	,	,	,
12787	843	13	add	add	VB
12787	843	14	stannous	stannous	JJ
12787	843	15	chloride	chloride	NN
12787	843	16	solution	solution	NN
12787	843	17	until	until	IN
12787	843	18	it	-PRON-	PRP
12787	843	19	is	be	VBZ
12787	843	20	colorless	colorless	JJ
12787	843	21	,	,	,
12787	843	22	avoiding	avoid	VBG
12787	843	23	a	a	DT
12787	843	24	large	large	JJ
12787	843	25	excess	excess	NN
12787	843	26	(	(	-LRB-
12787	843	27	Note	note	NN
12787	843	28	4	4	CD
12787	843	29	)	)	-RRB-
12787	843	30	;	;	:
12787	843	31	cool	cool	UH
12787	843	32	,	,	,
12787	843	33	and	and	CC
12787	843	34	when	when	WRB
12787	843	35	!	!	.
12787	843	36	cold	cold	JJ
12787	843	37	!	!	.
12787	843	38	,	,	,
12787	843	39	add	add	VB
12787	843	40	40	40	CD
12787	843	41	cc	cc	NN
12787	843	42	.	.	.
12787	844	1	of	of	IN
12787	844	2	mercuric	mercuric	NNP
12787	844	3	chloride	chloride	NN
12787	844	4	solution	solution	NN
12787	844	5	,	,	,
12787	844	6	dilute	dilute	NN
12787	844	7	to	to	IN
12787	844	8	200	200	CD
12787	844	9	cc	cc	NNP
12787	844	10	.	.	NNP
12787	844	11	,	,	,
12787	844	12	and	and	CC
12787	844	13	proceed	proceed	VB
12787	844	14	with	with	IN
12787	844	15	the	the	DT
12787	844	16	titration	titration	NN
12787	844	17	as	as	IN
12787	844	18	already	already	RB
12787	844	19	described	describe	VBN
12787	844	20	.	.	.
12787	845	1	From	from	IN
12787	845	2	the	the	DT
12787	845	3	standardization	standardization	NN
12787	845	4	data	datum	NNS
12787	845	5	already	already	RB
12787	845	6	obtained	obtain	VBN
12787	845	7	,	,	,
12787	845	8	and	and	CC
12787	845	9	the	the	DT
12787	845	10	known	know	VBN
12787	845	11	weight	weight	NN
12787	845	12	of	of	IN
12787	845	13	the	the	DT
12787	845	14	sample	sample	NN
12787	845	15	,	,	,
12787	845	16	calculate	calculate	VB
12787	845	17	the	the	DT
12787	845	18	percentage	percentage	NN
12787	845	19	of	of	IN
12787	845	20	iron	iron	NN
12787	845	21	(	(	-LRB-
12787	845	22	Fe	fe	FW
12787	845	23	)	)	-RRB-
12787	845	24	in	in	IN
12787	845	25	the	the	DT
12787	845	26	limonite	limonite	NN
12787	845	27	.	.	.
12787	846	1	[	[	-LRB-
12787	846	2	Note	note	NN
12787	846	3	1	1	CD
12787	846	4	:	:	:
12787	846	5	Limonite	Limonite	NNP
12787	846	6	is	be	VBZ
12787	846	7	selected	select	VBN
12787	846	8	as	as	IN
12787	846	9	a	a	DT
12787	846	10	representative	representative	NN
12787	846	11	of	of	IN
12787	846	12	iron	iron	NN
12787	846	13	ores	ore	NNS
12787	846	14	in	in	IN
12787	846	15	general	general	JJ
12787	846	16	.	.	.
12787	847	1	It	-PRON-	PRP
12787	847	2	is	be	VBZ
12787	847	3	a	a	DT
12787	847	4	native	native	JJ
12787	847	5	,	,	,
12787	847	6	hydrated	hydrated	JJ
12787	847	7	oxide	oxide	NN
12787	847	8	of	of	IN
12787	847	9	iron	iron	NN
12787	847	10	.	.	.
12787	848	1	It	-PRON-	PRP
12787	848	2	frequently	frequently	RB
12787	848	3	occurs	occur	VBZ
12787	848	4	in	in	IN
12787	848	5	or	or	CC
12787	848	6	near	near	IN
12787	848	7	peat	peat	NN
12787	848	8	beds	bed	NNS
12787	848	9	and	and	CC
12787	848	10	contains	contain	VBZ
12787	848	11	more	more	RBR
12787	848	12	or	or	CC
12787	848	13	less	less	RBR
12787	848	14	organic	organic	JJ
12787	848	15	matter	matter	NN
12787	848	16	which	which	WDT
12787	848	17	,	,	,
12787	848	18	if	if	IN
12787	848	19	brought	bring	VBN
12787	848	20	into	into	IN
12787	848	21	solution	solution	NN
12787	848	22	,	,	,
12787	848	23	would	would	MD
12787	848	24	be	be	VB
12787	848	25	acted	act	VBN
12787	848	26	upon	upon	IN
12787	848	27	by	by	IN
12787	848	28	the	the	DT
12787	848	29	potassium	potassium	NN
12787	848	30	bichromate	bichromate	NN
12787	848	31	.	.	.
12787	849	1	This	this	DT
12787	849	2	organic	organic	JJ
12787	849	3	matter	matter	NN
12787	849	4	is	be	VBZ
12787	849	5	destroyed	destroy	VBN
12787	849	6	by	by	IN
12787	849	7	roasting	roast	VBG
12787	849	8	.	.	.
12787	850	1	Since	since	IN
12787	850	2	a	a	DT
12787	850	3	high	high	JJ
12787	850	4	temperature	temperature	NN
12787	850	5	tends	tend	VBZ
12787	850	6	to	to	TO
12787	850	7	lessen	lessen	VB
12787	850	8	the	the	DT
12787	850	9	solubility	solubility	NN
12787	850	10	of	of	IN
12787	850	11	ferric	ferric	JJ
12787	850	12	oxide	oxide	NN
12787	850	13	,	,	,
12787	850	14	the	the	DT
12787	850	15	heat	heat	NN
12787	850	16	should	should	MD
12787	850	17	not	not	RB
12787	850	18	be	be	VB
12787	850	19	raised	raise	VBN
12787	850	20	above	above	IN
12787	850	21	low	low	JJ
12787	850	22	redness	redness	NN
12787	850	23	.	.	.
12787	850	24	]	]	-RRB-
12787	851	1	[	[	-LRB-
12787	851	2	Note	note	NN
12787	851	3	2	2	CD
12787	851	4	:	:	:
12787	851	5	It	-PRON-	PRP
12787	851	6	is	be	VBZ
12787	851	7	sometimes	sometimes	RB
12787	851	8	advantageous	advantageous	JJ
12787	851	9	to	to	TO
12787	851	10	dissolve	dissolve	VB
12787	851	11	a	a	DT
12787	851	12	large	large	JJ
12787	851	13	portion	portion	NN
12787	851	14	--	--	:
12787	851	15	say	say	VBP
12787	851	16	5	5	CD
12787	851	17	grams	gram	NNS
12787	851	18	--	--	:
12787	851	19	and	and	CC
12787	851	20	to	to	TO
12787	851	21	take	take	VB
12787	851	22	one	one	CD
12787	851	23	tenth	tenth	NN
12787	851	24	of	of	IN
12787	851	25	it	-PRON-	PRP
12787	851	26	for	for	IN
12787	851	27	titration	titration	NN
12787	851	28	.	.	.
12787	852	1	The	the	DT
12787	852	2	sample	sample	NN
12787	852	3	will	will	MD
12787	852	4	then	then	RB
12787	852	5	represent	represent	VB
12787	852	6	more	more	RBR
12787	852	7	closely	closely	RB
12787	852	8	the	the	DT
12787	852	9	average	average	JJ
12787	852	10	value	value	NN
12787	852	11	of	of	IN
12787	852	12	the	the	DT
12787	852	13	ore	ore	NN
12787	852	14	.	.	.
12787	852	15	]	]	-RRB-
12787	852	16	[	[	-LRB-
12787	852	17	Note	note	NN
12787	852	18	3	3	CD
12787	852	19	:	:	:
12787	852	20	A	a	DT
12787	852	21	platinum	platinum	NN
12787	852	22	crucible	crucible	JJ
12787	852	23	may	may	MD
12787	852	24	be	be	VB
12787	852	25	used	use	VBN
12787	852	26	for	for	IN
12787	852	27	the	the	DT
12787	852	28	roasting	roasting	NN
12787	852	29	of	of	IN
12787	852	30	the	the	DT
12787	852	31	limonite	limonite	NN
12787	852	32	and	and	CC
12787	852	33	must	must	MD
12787	852	34	be	be	VB
12787	852	35	used	use	VBN
12787	852	36	for	for	IN
12787	852	37	the	the	DT
12787	852	38	fusion	fusion	NN
12787	852	39	of	of	IN
12787	852	40	the	the	DT
12787	852	41	residue	residue	NN
12787	852	42	.	.	.
12787	853	1	When	when	WRB
12787	853	2	used	use	VBN
12787	853	3	,	,	,
12787	853	4	it	-PRON-	PRP
12787	853	5	must	must	MD
12787	853	6	not	not	RB
12787	853	7	be	be	VB
12787	853	8	allowed	allow	VBN
12787	853	9	to	to	TO
12787	853	10	remain	remain	VB
12787	853	11	in	in	IN
12787	853	12	the	the	DT
12787	853	13	acid	acid	JJ
12787	853	14	solution	solution	NN
12787	853	15	of	of	IN
12787	853	16	ferric	ferric	JJ
12787	853	17	chloride	chloride	NN
12787	853	18	for	for	IN
12787	853	19	any	any	DT
12787	853	20	length	length	NN
12787	853	21	of	of	IN
12787	853	22	time	time	NN
12787	853	23	,	,	,
12787	853	24	since	since	IN
12787	853	25	the	the	DT
12787	853	26	platinum	platinum	NN
12787	853	27	is	be	VBZ
12787	853	28	attacked	attack	VBN
12787	853	29	and	and	CC
12787	853	30	dissolved	dissolve	VBN
12787	853	31	,	,	,
12787	853	32	and	and	CC
12787	853	33	the	the	DT
12787	853	34	platinic	platinic	JJ
12787	853	35	chloride	chloride	NN
12787	853	36	is	be	VBZ
12787	853	37	later	later	RB
12787	853	38	reduced	reduce	VBN
12787	853	39	by	by	IN
12787	853	40	the	the	DT
12787	853	41	stannous	stannous	JJ
12787	853	42	chloride	chloride	NN
12787	853	43	,	,	,
12787	853	44	and	and	CC
12787	853	45	in	in	IN
12787	853	46	the	the	DT
12787	853	47	reduced	reduced	JJ
12787	853	48	condition	condition	NN
12787	853	49	reacts	react	NNS
12787	853	50	with	with	IN
12787	853	51	the	the	DT
12787	853	52	bichromate	bichromate	NN
12787	853	53	,	,	,
12787	853	54	thus	thus	RB
12787	853	55	introducing	introduce	VBG
12787	853	56	an	an	DT
12787	853	57	error	error	NN
12787	853	58	.	.	.
12787	854	1	It	-PRON-	PRP
12787	854	2	should	should	MD
12787	854	3	also	also	RB
12787	854	4	be	be	VB
12787	854	5	noted	note	VBN
12787	854	6	that	that	IN
12787	854	7	copper	copper	NN
12787	854	8	and	and	CC
12787	854	9	antimony	antimony	NN
12787	854	10	interfere	interfere	VBP
12787	854	11	with	with	IN
12787	854	12	the	the	DT
12787	854	13	determination	determination	NN
12787	854	14	of	of	IN
12787	854	15	iron	iron	NN
12787	854	16	by	by	IN
12787	854	17	the	the	DT
12787	854	18	bichromate	bichromate	JJ
12787	854	19	process	process	NN
12787	854	20	.	.	.
12787	854	21	]	]	-RRB-
12787	855	1	[	[	-LRB-
12787	855	2	Note	note	NN
12787	855	3	4	4	CD
12787	855	4	:	:	:
12787	855	5	The	the	DT
12787	855	6	quantity	quantity	NN
12787	855	7	of	of	IN
12787	855	8	stannous	stannous	JJ
12787	855	9	chloride	chloride	NN
12787	855	10	required	require	VBN
12787	855	11	for	for	IN
12787	855	12	the	the	DT
12787	855	13	reduction	reduction	NN
12787	855	14	of	of	IN
12787	855	15	the	the	DT
12787	855	16	iron	iron	NN
12787	855	17	in	in	IN
12787	855	18	the	the	DT
12787	855	19	limonite	limonite	NN
12787	855	20	will	will	MD
12787	855	21	be	be	VB
12787	855	22	much	much	RB
12787	855	23	larger	large	JJR
12787	855	24	than	than	IN
12787	855	25	that	that	DT
12787	855	26	added	add	VBN
12787	855	27	to	to	IN
12787	855	28	the	the	DT
12787	855	29	solution	solution	NN
12787	855	30	of	of	IN
12787	855	31	iron	iron	NN
12787	855	32	wire	wire	NN
12787	855	33	,	,	,
12787	855	34	in	in	IN
12787	855	35	which	which	WDT
12787	855	36	the	the	DT
12787	855	37	iron	iron	NN
12787	855	38	was	be	VBD
12787	855	39	mainly	mainly	RB
12787	855	40	already	already	RB
12787	855	41	in	in	IN
12787	855	42	the	the	DT
12787	855	43	ferrous	ferrous	JJ
12787	855	44	condition	condition	NN
12787	855	45	.	.	.
12787	856	1	It	-PRON-	PRP
12787	856	2	should	should	MD
12787	856	3	,	,	,
12787	856	4	however	however	RB
12787	856	5	,	,	,
12787	856	6	be	be	VB
12787	856	7	added	add	VBN
12787	856	8	from	from	IN
12787	856	9	a	a	DT
12787	856	10	dropper	dropper	NN
12787	856	11	to	to	TO
12787	856	12	avoid	avoid	VB
12787	856	13	an	an	DT
12787	856	14	unnecessary	unnecessary	JJ
12787	856	15	excess	excess	NN
12787	856	16	.	.	.
12787	856	17	]	]	-RRB-
12787	857	1	DETERMINATION	determination	NN
12787	857	2	OF	of	IN
12787	857	3	CHROMIUM	CHROMIUM	NNP
12787	857	4	IN	in	IN
12787	857	5	CHROME	CHROME	NNP
12787	857	6	IRON	IRON	NNP
12787	857	7	ORE	ORE	NNP
12787	857	8	PROCEDURE.--Grind	procedure.--grind	PDT
12787	857	9	the	the	DT
12787	857	10	chrome	chrome	NNP
12787	857	11	iron	iron	NN
12787	857	12	ore	ore	NN
12787	857	13	(	(	-LRB-
12787	857	14	Note	note	NN
12787	857	15	1	1	CD
12787	857	16	)	)	-RRB-
12787	857	17	in	in	IN
12787	857	18	an	an	DT
12787	857	19	agate	agate	JJ
12787	857	20	mortar	mortar	NN
12787	857	21	until	until	IN
12787	857	22	no	no	DT
12787	857	23	grit	grit	NN
12787	857	24	is	be	VBZ
12787	857	25	perceptible	perceptible	JJ
12787	857	26	under	under	IN
12787	857	27	the	the	DT
12787	857	28	pestle	pestle	NN
12787	857	29	.	.	.
12787	858	1	Weigh	weigh	VB
12787	858	2	out	out	RP
12787	858	3	two	two	CD
12787	858	4	portions	portion	NNS
12787	858	5	of	of	IN
12787	858	6	0.5	0.5	CD
12787	858	7	gram	gram	NN
12787	858	8	each	each	DT
12787	858	9	into	into	IN
12787	858	10	iron	iron	NN
12787	858	11	crucibles	crucible	NNS
12787	858	12	which	which	WDT
12787	858	13	have	have	VBP
12787	858	14	been	be	VBN
12787	858	15	scoured	scour	VBN
12787	858	16	inside	inside	RB
12787	858	17	until	until	IN
12787	858	18	bright	bright	JJ
12787	858	19	(	(	-LRB-
12787	858	20	Note	note	NN
12787	858	21	2	2	CD
12787	858	22	)	)	-RRB-
12787	858	23	.	.	.
12787	859	1	Weigh	weigh	VB
12787	859	2	out	out	RP
12787	859	3	on	on	IN
12787	859	4	a	a	DT
12787	859	5	watch	watch	NN
12787	859	6	-	-	HYPH
12787	859	7	glass	glass	NN
12787	859	8	(	(	-LRB-
12787	859	9	Note	note	NN
12787	859	10	3	3	CD
12787	859	11	)	)	-RRB-
12787	859	12	,	,	,
12787	859	13	using	use	VBG
12787	859	14	the	the	DT
12787	859	15	rough	rough	JJ
12787	859	16	balances	balance	NNS
12787	859	17	,	,	,
12787	859	18	5	5	CD
12787	859	19	grams	gram	NNS
12787	859	20	of	of	IN
12787	859	21	dry	dry	JJ
12787	859	22	sodium	sodium	NN
12787	859	23	peroxide	peroxide	NN
12787	859	24	for	for	IN
12787	859	25	each	each	DT
12787	859	26	portion	portion	NN
12787	859	27	,	,	,
12787	859	28	and	and	CC
12787	859	29	pour	pour	VBP
12787	859	30	about	about	RB
12787	859	31	three	three	CD
12787	859	32	quarters	quarter	NNS
12787	859	33	of	of	IN
12787	859	34	the	the	DT
12787	859	35	peroxide	peroxide	NN
12787	859	36	upon	upon	IN
12787	859	37	the	the	DT
12787	859	38	ore	ore	NN
12787	859	39	.	.	.
12787	860	1	Mix	mix	VB
12787	860	2	ore	ore	NN
12787	860	3	and	and	CC
12787	860	4	flux	flux	NN
12787	860	5	by	by	IN
12787	860	6	thorough	thorough	JJ
12787	860	7	stirring	stir	VBG
12787	860	8	with	with	IN
12787	860	9	a	a	DT
12787	860	10	dry	dry	JJ
12787	860	11	glass	glass	NN
12787	860	12	rod	rod	NN
12787	860	13	.	.	.
12787	861	1	Then	then	RB
12787	861	2	cover	cover	VB
12787	861	3	the	the	DT
12787	861	4	mixture	mixture	NN
12787	861	5	with	with	IN
12787	861	6	the	the	DT
12787	861	7	remainder	remainder	NN
12787	861	8	of	of	IN
12787	861	9	the	the	DT
12787	861	10	peroxide	peroxide	NN
12787	861	11	.	.	.
12787	862	1	Place	place	VB
12787	862	2	the	the	DT
12787	862	3	crucible	crucible	NN
12787	862	4	on	on	IN
12787	862	5	a	a	DT
12787	862	6	triangle	triangle	NN
12787	862	7	and	and	CC
12787	862	8	raise	raise	VB
12787	862	9	the	the	DT
12787	862	10	temperature	temperature	NN
12787	862	11	!	!	.
12787	862	12	slowly	slowly	RB
12787	862	13	!	!	.
12787	863	1	to	to	IN
12787	863	2	the	the	DT
12787	863	3	melting	melting	NN
12787	863	4	point	point	NN
12787	863	5	of	of	IN
12787	863	6	the	the	DT
12787	863	7	flux	flux	NN
12787	863	8	,	,	,
12787	863	9	using	use	VBG
12787	863	10	a	a	DT
12787	863	11	low	low	JJ
12787	863	12	flame	flame	NN
12787	863	13	,	,	,
12787	863	14	and	and	CC
12787	863	15	holding	hold	VBG
12787	863	16	the	the	DT
12787	863	17	lamp	lamp	NN
12787	863	18	in	in	IN
12787	863	19	the	the	DT
12787	863	20	hand	hand	NN
12787	863	21	(	(	-LRB-
12787	863	22	Note	note	NN
12787	863	23	4	4	CD
12787	863	24	)	)	-RRB-
12787	863	25	.	.	.
12787	864	1	Maintain	maintain	VB
12787	864	2	the	the	DT
12787	864	3	fusion	fusion	NN
12787	864	4	for	for	IN
12787	864	5	five	five	CD
12787	864	6	minutes	minute	NNS
12787	864	7	,	,	,
12787	864	8	and	and	CC
12787	864	9	stir	stir	VB
12787	864	10	constantly	constantly	RB
12787	864	11	with	with	IN
12787	864	12	a	a	DT
12787	864	13	stout	stout	JJ
12787	864	14	iron	iron	NN
12787	864	15	wire	wire	NN
12787	864	16	,	,	,
12787	864	17	but	but	CC
12787	864	18	do	do	VBP
12787	864	19	not	not	RB
12787	864	20	raise	raise	VB
12787	864	21	the	the	DT
12787	864	22	temperature	temperature	NN
12787	864	23	above	above	IN
12787	864	24	moderate	moderate	JJ
12787	864	25	redness	redness	NN
12787	864	26	(	(	-LRB-
12787	864	27	Notes	Notes	NNP
12787	864	28	5	5	CD
12787	864	29	and	and	CC
12787	864	30	6	6	CD
12787	864	31	)	)	-RRB-
12787	864	32	.	.	.
12787	865	1	Allow	allow	VB
12787	865	2	the	the	DT
12787	865	3	crucible	crucible	NN
12787	865	4	to	to	TO
12787	865	5	cool	cool	VB
12787	865	6	until	until	IN
12787	865	7	it	-PRON-	PRP
12787	865	8	can	can	MD
12787	865	9	be	be	VB
12787	865	10	comfortably	comfortably	RB
12787	865	11	handled	handle	VBN
12787	865	12	(	(	-LRB-
12787	865	13	Note	note	NN
12787	865	14	7	7	CD
12787	865	15	)	)	-RRB-
12787	865	16	and	and	CC
12787	865	17	then	then	RB
12787	865	18	place	place	VB
12787	865	19	it	-PRON-	PRP
12787	865	20	in	in	IN
12787	865	21	a	a	DT
12787	865	22	300	300	CD
12787	865	23	cc	cc	NN
12787	865	24	.	.	.
12787	866	1	beaker	beaker	NNP
12787	866	2	,	,	,
12787	866	3	and	and	CC
12787	866	4	cover	cover	VB
12787	866	5	it	-PRON-	PRP
12787	866	6	with	with	IN
12787	866	7	distilled	distilled	JJ
12787	866	8	water	water	NN
12787	866	9	(	(	-LRB-
12787	866	10	Note	note	NN
12787	866	11	8)	8)	CD
12787	866	12	.	.	.
12787	867	1	The	the	DT
12787	867	2	beaker	beaker	NN
12787	867	3	must	must	MD
12787	867	4	be	be	VB
12787	867	5	carefully	carefully	RB
12787	867	6	covered	cover	VBN
12787	867	7	to	to	TO
12787	867	8	avoid	avoid	VB
12787	867	9	loss	loss	NN
12787	867	10	during	during	IN
12787	867	11	the	the	DT
12787	867	12	disintegration	disintegration	NN
12787	867	13	of	of	IN
12787	867	14	the	the	DT
12787	867	15	fused	fuse	VBN
12787	867	16	mass	mass	NN
12787	867	17	.	.	.
12787	868	1	When	when	WRB
12787	868	2	the	the	DT
12787	868	3	evolution	evolution	NN
12787	868	4	of	of	IN
12787	868	5	gas	gas	NN
12787	868	6	ceases	cease	NNS
12787	868	7	,	,	,
12787	868	8	rinse	rinse	VB
12787	868	9	off	off	RP
12787	868	10	and	and	CC
12787	868	11	remove	remove	VB
12787	868	12	the	the	DT
12787	868	13	crucible	crucible	NN
12787	868	14	;	;	:
12787	868	15	then	then	RB
12787	868	16	heat	heat	VB
12787	868	17	the	the	DT
12787	868	18	solution	solution	NN
12787	868	19	!	!	.
12787	868	20	while	while	IN
12787	868	21	still	still	RB
12787	868	22	alkaline	alkaline	VBP
12787	868	23	!	!	.
12787	869	1	to	to	IN
12787	869	2	boiling	boil	VBG
12787	869	3	for	for	IN
12787	869	4	fifteen	fifteen	CD
12787	869	5	minutes	minute	NNS
12787	869	6	.	.	.
12787	870	1	Allow	allow	VB
12787	870	2	the	the	DT
12787	870	3	liquid	liquid	NN
12787	870	4	to	to	TO
12787	870	5	cool	cool	VB
12787	870	6	for	for	IN
12787	870	7	a	a	DT
12787	870	8	few	few	JJ
12787	870	9	minutes	minute	NNS
12787	870	10	;	;	:
12787	870	11	then	then	RB
12787	870	12	acidify	acidify	RB
12787	870	13	with	with	IN
12787	870	14	dilute	dilute	NNP
12787	870	15	sulphuric	sulphuric	NNP
12787	870	16	acid	acid	NNP
12787	870	17	(	(	-LRB-
12787	870	18	1:5	1:5	CD
12787	870	19	)	)	-RRB-
12787	870	20	,	,	,
12787	870	21	adding	add	VBG
12787	870	22	10	10	CD
12787	870	23	cc	cc	NN
12787	870	24	.	.	.
12787	871	1	in	in	IN
12787	871	2	excess	excess	NN
12787	871	3	of	of	IN
12787	871	4	the	the	DT
12787	871	5	amount	amount	NN
12787	871	6	necessary	necessary	JJ
12787	871	7	to	to	TO
12787	871	8	dissolve	dissolve	VB
12787	871	9	the	the	DT
12787	871	10	ferric	ferric	JJ
12787	871	11	hydroxide	hydroxide	NN
12787	871	12	(	(	-LRB-
12787	871	13	Note	note	NN
12787	871	14	9	9	CD
12787	871	15	)	)	-RRB-
12787	871	16	.	.	.
12787	872	1	Dilute	dilute	NN
12787	872	2	to	to	IN
12787	872	3	200	200	CD
12787	872	4	cc	cc	NNP
12787	872	5	.	.	NNP
12787	872	6	,	,	,
12787	872	7	cool	cool	UH
12787	872	8	,	,	,
12787	872	9	add	add	VB
12787	872	10	from	from	IN
12787	872	11	a	a	DT
12787	872	12	burette	burette	NN
12787	872	13	an	an	DT
12787	872	14	excess	excess	NN
12787	872	15	of	of	IN
12787	872	16	a	a	DT
12787	872	17	standard	standard	JJ
12787	872	18	ferrous	ferrous	JJ
12787	872	19	solution	solution	NN
12787	872	20	,	,	,
12787	872	21	and	and	CC
12787	872	22	titrate	titrate	VB
12787	872	23	for	for	IN
12787	872	24	the	the	DT
12787	872	25	excess	excess	NN
12787	872	26	with	with	IN
12787	872	27	a	a	DT
12787	872	28	standard	standard	JJ
12787	872	29	solution	solution	NN
12787	872	30	of	of	IN
12787	872	31	potassium	potassium	NN
12787	872	32	bichromate	bichromate	NN
12787	872	33	,	,	,
12787	872	34	using	use	VBG
12787	872	35	the	the	DT
12787	872	36	outside	outside	JJ
12787	872	37	indicator	indicator	NN
12787	872	38	(	(	-LRB-
12787	872	39	Note	note	NN
12787	872	40	10	10	CD
12787	872	41	)	)	-RRB-
12787	872	42	.	.	.
12787	873	1	From	from	IN
12787	873	2	the	the	DT
12787	873	3	corrected	correct	VBN
12787	873	4	volumes	volume	NNS
12787	873	5	of	of	IN
12787	873	6	the	the	DT
12787	873	7	two	two	CD
12787	873	8	standard	standard	JJ
12787	873	9	solutions	solution	NNS
12787	873	10	,	,	,
12787	873	11	and	and	CC
12787	873	12	their	-PRON-	PRP$
12787	873	13	relations	relation	NNS
12787	873	14	to	to	IN
12787	873	15	normal	normal	JJ
12787	873	16	solutions	solution	NNS
12787	873	17	,	,	,
12787	873	18	calculate	calculate	VB
12787	873	19	the	the	DT
12787	873	20	percentage	percentage	NN
12787	873	21	of	of	IN
12787	873	22	chromium	chromium	NN
12787	873	23	in	in	IN
12787	873	24	the	the	DT
12787	873	25	ore	ore	NN
12787	873	26	.	.	.
12787	873	27	[	[	-LRB-
12787	873	28	Note	note	NN
12787	873	29	1	1	CD
12787	873	30	:	:	:
12787	873	31	Chrome	chrome	NN
12787	873	32	iron	iron	NN
12787	873	33	ore	ore	NN
12787	873	34	is	be	VBZ
12787	873	35	essentially	essentially	RB
12787	873	36	a	a	DT
12787	873	37	ferrous	ferrous	JJ
12787	873	38	chromite	chromite	NN
12787	873	39	,	,	,
12787	873	40	or	or	CC
12787	873	41	combination	combination	NN
12787	873	42	of	of	IN
12787	873	43	FeO	FeO	NNP
12787	873	44	and	and	CC
12787	873	45	Cr_{2}O_{3	Cr_{2}O_{3	NNP
12787	873	46	}	}	-RRB-
12787	873	47	.	.	.
12787	874	1	It	-PRON-	PRP
12787	874	2	must	must	MD
12787	874	3	be	be	VB
12787	874	4	reduced	reduce	VBN
12787	874	5	to	to	IN
12787	874	6	a	a	DT
12787	874	7	state	state	NN
12787	874	8	of	of	IN
12787	874	9	fine	fine	JJ
12787	874	10	subdivision	subdivision	NN
12787	874	11	to	to	TO
12787	874	12	ensure	ensure	VB
12787	874	13	a	a	DT
12787	874	14	prompt	prompt	JJ
12787	874	15	reaction	reaction	NN
12787	874	16	with	with	IN
12787	874	17	the	the	DT
12787	874	18	flux	flux	NN
12787	874	19	.	.	.
12787	874	20	]	]	-RRB-
12787	875	1	[	[	-LRB-
12787	875	2	Note	note	NN
12787	875	3	2	2	CD
12787	875	4	:	:	:
12787	875	5	The	the	DT
12787	875	6	scouring	scouring	NN
12787	875	7	of	of	IN
12787	875	8	the	the	DT
12787	875	9	iron	iron	NN
12787	875	10	crucible	crucible	NN
12787	875	11	is	be	VBZ
12787	875	12	rendered	render	VBN
12787	875	13	much	much	RB
12787	875	14	easier	easy	JJR
12787	875	15	if	if	IN
12787	875	16	it	-PRON-	PRP
12787	875	17	is	be	VBZ
12787	875	18	first	first	RB
12787	875	19	heated	heated	JJ
12787	875	20	to	to	IN
12787	875	21	bright	bright	JJ
12787	875	22	redness	redness	NN
12787	875	23	and	and	CC
12787	875	24	plunged	plunge	VBD
12787	875	25	into	into	IN
12787	875	26	cold	cold	JJ
12787	875	27	water	water	NN
12787	875	28	.	.	.
12787	876	1	In	in	IN
12787	876	2	this	this	DT
12787	876	3	process	process	NN
12787	876	4	oily	oily	RB
12787	876	5	matter	matter	NN
12787	876	6	is	be	VBZ
12787	876	7	burned	burn	VBN
12787	876	8	off	off	RP
12787	876	9	and	and	CC
12787	876	10	adhering	adhere	VBG
12787	876	11	scale	scale	NN
12787	876	12	is	be	VBZ
12787	876	13	caused	cause	VBN
12787	876	14	to	to	TO
12787	876	15	chip	chip	VB
12787	876	16	off	off	RP
12787	876	17	when	when	WRB
12787	876	18	the	the	DT
12787	876	19	hot	hot	JJ
12787	876	20	crucible	crucible	JJ
12787	876	21	contracts	contract	NNS
12787	876	22	rapidly	rapidly	RB
12787	876	23	in	in	IN
12787	876	24	the	the	DT
12787	876	25	cold	cold	JJ
12787	876	26	water	water	NN
12787	876	27	.	.	.
12787	876	28	]	]	-RRB-
12787	877	1	[	[	-LRB-
12787	877	2	Note	note	NN
12787	877	3	3	3	CD
12787	877	4	:	:	:
12787	877	5	Sodium	sodium	NN
12787	877	6	peroxide	peroxide	NN
12787	877	7	must	must	MD
12787	877	8	be	be	VB
12787	877	9	kept	keep	VBN
12787	877	10	off	off	IN
12787	877	11	of	of	IN
12787	877	12	balance	balance	NN
12787	877	13	pans	pan	NNS
12787	877	14	and	and	CC
12787	877	15	should	should	MD
12787	877	16	not	not	RB
12787	877	17	be	be	VB
12787	877	18	weighed	weigh	VBN
12787	877	19	out	out	RP
12787	877	20	on	on	IN
12787	877	21	paper	paper	NN
12787	877	22	,	,	,
12787	877	23	as	as	IN
12787	877	24	is	be	VBZ
12787	877	25	the	the	DT
12787	877	26	usual	usual	JJ
12787	877	27	practice	practice	NN
12787	877	28	in	in	IN
12787	877	29	the	the	DT
12787	877	30	rough	rough	JJ
12787	877	31	weighing	weighing	NN
12787	877	32	of	of	IN
12787	877	33	chemicals	chemical	NNS
12787	877	34	.	.	.
12787	878	1	If	if	IN
12787	878	2	paper	paper	NN
12787	878	3	to	to	TO
12787	878	4	which	which	WDT
12787	878	5	the	the	DT
12787	878	6	peroxide	peroxide	NN
12787	878	7	is	be	VBZ
12787	878	8	adhering	adhere	VBG
12787	878	9	is	be	VBZ
12787	878	10	exposed	expose	VBN
12787	878	11	to	to	IN
12787	878	12	moist	moist	JJ
12787	878	13	air	air	NN
12787	878	14	it	-PRON-	PRP
12787	878	15	is	be	VBZ
12787	878	16	likely	likely	JJ
12787	878	17	to	to	TO
12787	878	18	take	take	VB
12787	878	19	fire	fire	NN
12787	878	20	as	as	IN
12787	878	21	a	a	DT
12787	878	22	result	result	NN
12787	878	23	of	of	IN
12787	878	24	the	the	DT
12787	878	25	absorption	absorption	NN
12787	878	26	of	of	IN
12787	878	27	moisture	moisture	NN
12787	878	28	,	,	,
12787	878	29	and	and	CC
12787	878	30	consequent	consequent	JJ
12787	878	31	evolution	evolution	NN
12787	878	32	of	of	IN
12787	878	33	heat	heat	NNP
12787	878	34	and	and	CC
12787	878	35	liberation	liberation	NN
12787	878	36	of	of	IN
12787	878	37	oxygen	oxygen	NN
12787	878	38	.	.	.
12787	878	39	]	]	-RRB-
12787	879	1	[	[	-LRB-
12787	879	2	Note	note	NN
12787	879	3	4	4	CD
12787	879	4	:	:	:
12787	879	5	The	the	DT
12787	879	6	lamp	lamp	NN
12787	879	7	should	should	MD
12787	879	8	never	never	RB
12787	879	9	be	be	VB
12787	879	10	allowed	allow	VBN
12787	879	11	to	to	TO
12787	879	12	remain	remain	VB
12787	879	13	under	under	IN
12787	879	14	the	the	DT
12787	879	15	crucible	crucible	NN
12787	879	16	,	,	,
12787	879	17	as	as	IN
12787	879	18	this	this	DT
12787	879	19	will	will	MD
12787	879	20	raise	raise	VB
12787	879	21	the	the	DT
12787	879	22	temperature	temperature	NN
12787	879	23	to	to	IN
12787	879	24	a	a	DT
12787	879	25	point	point	NN
12787	879	26	at	at	IN
12787	879	27	which	which	WDT
12787	879	28	the	the	DT
12787	879	29	crucible	crucible	NN
12787	879	30	itself	-PRON-	PRP
12787	879	31	is	be	VBZ
12787	879	32	rapidly	rapidly	RB
12787	879	33	attacked	attack	VBN
12787	879	34	by	by	IN
12787	879	35	the	the	DT
12787	879	36	flux	flux	NN
12787	879	37	and	and	CC
12787	879	38	burned	burn	VBD
12787	879	39	through	through	RB
12787	879	40	.	.	.
12787	879	41	]	]	-RRB-
12787	880	1	[	[	-LRB-
12787	880	2	Note	note	NN
12787	880	3	5	5	CD
12787	880	4	:	:	:
12787	880	5	The	the	DT
12787	880	6	sodium	sodium	NN
12787	880	7	peroxide	peroxide	NN
12787	880	8	acts	act	VBZ
12787	880	9	as	as	IN
12787	880	10	both	both	CC
12787	880	11	a	a	DT
12787	880	12	flux	flux	NN
12787	880	13	and	and	CC
12787	880	14	an	an	DT
12787	880	15	oxidizing	oxidizing	JJ
12787	880	16	agent	agent	NN
12787	880	17	.	.	.
12787	881	1	The	the	DT
12787	881	2	chromic	chromic	JJ
12787	881	3	oxide	oxide	NN
12787	881	4	is	be	VBZ
12787	881	5	dissolved	dissolve	VBN
12787	881	6	by	by	IN
12787	881	7	the	the	DT
12787	881	8	flux	flux	NN
12787	881	9	and	and	CC
12787	881	10	oxidized	oxidize	VBN
12787	881	11	to	to	IN
12787	881	12	chromic	chromic	NN
12787	881	13	anhydride	anhydride	NN
12787	881	14	(	(	-LRB-
12787	881	15	CrO_{3	CrO_{3	NNP
12787	881	16	}	}	-RRB-
12787	881	17	)	)	-RRB-
12787	881	18	which	which	WDT
12787	881	19	combines	combine	VBZ
12787	881	20	with	with	IN
12787	881	21	the	the	DT
12787	881	22	alkali	alkali	JJ
12787	881	23	to	to	TO
12787	881	24	form	form	VB
12787	881	25	sodium	sodium	NN
12787	881	26	chromate	chromate	NN
12787	881	27	.	.	.
12787	882	1	The	the	DT
12787	882	2	iron	iron	NN
12787	882	3	is	be	VBZ
12787	882	4	oxidized	oxidize	VBN
12787	882	5	to	to	IN
12787	882	6	ferric	ferric	JJ
12787	882	7	oxide	oxide	NN
12787	882	8	.	.	.
12787	882	9	]	]	-RRB-
12787	883	1	[	[	-LRB-
12787	883	2	Note	note	NN
12787	883	3	6	6	CD
12787	883	4	:	:	:
12787	883	5	The	the	DT
12787	883	6	sodium	sodium	NN
12787	883	7	peroxide	peroxide	NN
12787	883	8	can	can	MD
12787	883	9	not	not	RB
12787	883	10	be	be	VB
12787	883	11	used	use	VBN
12787	883	12	in	in	IN
12787	883	13	porcelain	porcelain	NN
12787	883	14	,	,	,
12787	883	15	platinum	platinum	NN
12787	883	16	,	,	,
12787	883	17	or	or	CC
12787	883	18	silver	silver	NN
12787	883	19	crucibles	crucible	NNS
12787	883	20	.	.	.
12787	884	1	It	-PRON-	PRP
12787	884	2	attacks	attack	VBZ
12787	884	3	iron	iron	NN
12787	884	4	and	and	CC
12787	884	5	nickel	nickel	NN
12787	884	6	as	as	RB
12787	884	7	well	well	RB
12787	884	8	;	;	:
12787	884	9	but	but	CC
12787	884	10	crucibles	crucible	NNS
12787	884	11	made	make	VBN
12787	884	12	from	from	IN
12787	884	13	these	these	DT
12787	884	14	metals	metal	NNS
12787	884	15	may	may	MD
12787	884	16	be	be	VB
12787	884	17	used	use	VBN
12787	884	18	if	if	IN
12787	884	19	care	care	NN
12787	884	20	is	be	VBZ
12787	884	21	exercised	exercise	VBN
12787	884	22	to	to	TO
12787	884	23	keep	keep	VB
12787	884	24	the	the	DT
12787	884	25	temperature	temperature	NN
12787	884	26	as	as	RB
12787	884	27	low	low	JJ
12787	884	28	as	as	IN
12787	884	29	possible	possible	JJ
12787	884	30	.	.	.
12787	885	1	Preference	preference	NN
12787	885	2	is	be	VBZ
12787	885	3	here	here	RB
12787	885	4	given	give	VBN
12787	885	5	to	to	IN
12787	885	6	iron	iron	NN
12787	885	7	crucibles	crucible	NNS
12787	885	8	,	,	,
12787	885	9	because	because	IN
12787	885	10	the	the	DT
12787	885	11	resulting	result	VBG
12787	885	12	ferric	ferric	JJ
12787	885	13	hydroxide	hydroxide	NN
12787	885	14	is	be	VBZ
12787	885	15	more	more	RBR
12787	885	16	readily	readily	RB
12787	885	17	brought	bring	VBN
12787	885	18	into	into	IN
12787	885	19	solution	solution	NN
12787	885	20	than	than	IN
12787	885	21	the	the	DT
12787	885	22	nickelic	nickelic	JJ
12787	885	23	oxide	oxide	NN
12787	885	24	from	from	IN
12787	885	25	a	a	DT
12787	885	26	nickel	nickel	NN
12787	885	27	crucible	crucible	NN
12787	885	28	.	.	.
12787	886	1	The	the	DT
12787	886	2	peroxide	peroxide	NN
12787	886	3	must	must	MD
12787	886	4	be	be	VB
12787	886	5	dry	dry	JJ
12787	886	6	,	,	,
12787	886	7	and	and	CC
12787	886	8	must	must	MD
12787	886	9	be	be	VB
12787	886	10	protected	protect	VBN
12787	886	11	from	from	IN
12787	886	12	any	any	DT
12787	886	13	admixture	admixture	NN
12787	886	14	of	of	IN
12787	886	15	dust	dust	NN
12787	886	16	,	,	,
12787	886	17	paper	paper	NN
12787	886	18	,	,	,
12787	886	19	or	or	CC
12787	886	20	of	of	IN
12787	886	21	organic	organic	JJ
12787	886	22	matter	matter	NN
12787	886	23	of	of	IN
12787	886	24	any	any	DT
12787	886	25	kind	kind	NN
12787	886	26	,	,	,
12787	886	27	otherwise	otherwise	RB
12787	886	28	explosions	explosion	NNS
12787	886	29	may	may	MD
12787	886	30	ensue	ensue	VB
12787	886	31	.	.	.
12787	886	32	]	]	-RRB-
12787	887	1	[	[	-LRB-
12787	887	2	Note	note	NN
12787	887	3	7	7	CD
12787	887	4	:	:	:
12787	887	5	When	when	WRB
12787	887	6	an	an	DT
12787	887	7	iron	iron	NN
12787	887	8	crucible	crucible	NN
12787	887	9	is	be	VBZ
12787	887	10	employed	employ	VBN
12787	887	11	it	-PRON-	PRP
12787	887	12	is	be	VBZ
12787	887	13	desirable	desirable	JJ
12787	887	14	to	to	TO
12787	887	15	allow	allow	VB
12787	887	16	the	the	DT
12787	887	17	fusion	fusion	NN
12787	887	18	to	to	TO
12787	887	19	become	become	VB
12787	887	20	nearly	nearly	RB
12787	887	21	cold	cold	JJ
12787	887	22	before	before	IN
12787	887	23	it	-PRON-	PRP
12787	887	24	is	be	VBZ
12787	887	25	placed	place	VBN
12787	887	26	in	in	IN
12787	887	27	water	water	NN
12787	887	28	,	,	,
12787	887	29	otherwise	otherwise	RB
12787	887	30	scales	scale	NNS
12787	887	31	of	of	IN
12787	887	32	magnetic	magnetic	JJ
12787	887	33	iron	iron	NN
12787	887	34	oxide	oxide	NN
12787	887	35	may	may	MD
12787	887	36	separate	separate	VB
12787	887	37	from	from	IN
12787	887	38	the	the	DT
12787	887	39	crucible	crucible	NN
12787	887	40	,	,	,
12787	887	41	which	which	WDT
12787	887	42	by	by	IN
12787	887	43	slowly	slowly	RB
12787	887	44	dissolving	dissolve	VBG
12787	887	45	in	in	IN
12787	887	46	acid	acid	NN
12787	887	47	form	form	NN
12787	887	48	ferrous	ferrous	JJ
12787	887	49	sulphate	sulphate	NN
12787	887	50	,	,	,
12787	887	51	which	which	WDT
12787	887	52	reduces	reduce	VBZ
12787	887	53	the	the	DT
12787	887	54	chromate	chromate	NN
12787	887	55	.	.	.
12787	887	56	]	]	-RRB-
12787	888	1	[	[	-LRB-
12787	888	2	Note	note	NN
12787	888	3	8	8	CD
12787	888	4	:	:	:
12787	888	5	Upon	upon	IN
12787	888	6	treatment	treatment	NN
12787	888	7	with	with	IN
12787	888	8	water	water	NN
12787	888	9	the	the	DT
12787	888	10	chromate	chromate	NN
12787	888	11	passes	pass	VBZ
12787	888	12	into	into	IN
12787	888	13	solution	solution	NN
12787	888	14	,	,	,
12787	888	15	the	the	DT
12787	888	16	ferric	ferric	JJ
12787	888	17	hydroxide	hydroxide	NN
12787	888	18	remains	remain	VBZ
12787	888	19	undissolved	undissolved	JJ
12787	888	20	,	,	,
12787	888	21	and	and	CC
12787	888	22	the	the	DT
12787	888	23	excess	excess	NN
12787	888	24	of	of	IN
12787	888	25	peroxide	peroxide	NN
12787	888	26	is	be	VBZ
12787	888	27	decomposed	decompose	VBN
12787	888	28	with	with	IN
12787	888	29	the	the	DT
12787	888	30	evolution	evolution	NN
12787	888	31	of	of	IN
12787	888	32	oxygen	oxygen	NN
12787	888	33	.	.	.
12787	889	1	The	the	DT
12787	889	2	subsequent	subsequent	JJ
12787	889	3	boiling	boiling	NN
12787	889	4	insures	insure	VBZ
12787	889	5	the	the	DT
12787	889	6	complete	complete	JJ
12787	889	7	decomposition	decomposition	NN
12787	889	8	of	of	IN
12787	889	9	the	the	DT
12787	889	10	peroxide	peroxide	NN
12787	889	11	.	.	.
12787	890	1	Unless	unless	IN
12787	890	2	this	this	DT
12787	890	3	is	be	VBZ
12787	890	4	complete	complete	JJ
12787	890	5	,	,	,
12787	890	6	hydrogen	hydrogen	NN
12787	890	7	peroxide	peroxide	NN
12787	890	8	is	be	VBZ
12787	890	9	formed	form	VBN
12787	890	10	when	when	WRB
12787	890	11	the	the	DT
12787	890	12	solution	solution	NN
12787	890	13	is	be	VBZ
12787	890	14	acidified	acidify	VBN
12787	890	15	,	,	,
12787	890	16	and	and	CC
12787	890	17	this	this	DT
12787	890	18	reacts	react	NNS
12787	890	19	with	with	IN
12787	890	20	the	the	DT
12787	890	21	bichromate	bichromate	NN
12787	890	22	,	,	,
12787	890	23	reducing	reduce	VBG
12787	890	24	it	-PRON-	PRP
12787	890	25	and	and	CC
12787	890	26	introducing	introduce	VBG
12787	890	27	a	a	DT
12787	890	28	serious	serious	JJ
12787	890	29	error	error	NN
12787	890	30	.	.	.
12787	890	31	]	]	-RRB-
12787	891	1	[	[	-LRB-
12787	891	2	Note	note	NN
12787	891	3	9	9	CD
12787	891	4	:	:	:
12787	891	5	The	the	DT
12787	891	6	addition	addition	NN
12787	891	7	of	of	IN
12787	891	8	the	the	DT
12787	891	9	sulphuric	sulphuric	JJ
12787	891	10	acid	acid	NN
12787	891	11	converts	convert	VBZ
12787	891	12	the	the	DT
12787	891	13	sodium	sodium	NN
12787	891	14	chromate	chromate	NN
12787	891	15	to	to	TO
12787	891	16	bichromate	bichromate	VB
12787	891	17	,	,	,
12787	891	18	which	which	WDT
12787	891	19	behaves	behave	VBZ
12787	891	20	exactly	exactly	RB
12787	891	21	like	like	IN
12787	891	22	potassium	potassium	NN
12787	891	23	bichromate	bichromate	NN
12787	891	24	in	in	IN
12787	891	25	acid	acid	JJ
12787	891	26	solution	solution	NN
12787	891	27	.	.	.
12787	891	28	]	]	-RRB-
12787	892	1	[	[	-LRB-
12787	892	2	Note	note	NN
12787	892	3	10	10	CD
12787	892	4	:	:	:
12787	892	5	If	if	IN
12787	892	6	a	a	DT
12787	892	7	standard	standard	JJ
12787	892	8	solution	solution	NN
12787	892	9	of	of	IN
12787	892	10	a	a	DT
12787	892	11	ferrous	ferrous	JJ
12787	892	12	salt	salt	NN
12787	892	13	is	be	VBZ
12787	892	14	not	not	RB
12787	892	15	at	at	IN
12787	892	16	hand	hand	NN
12787	892	17	,	,	,
12787	892	18	a	a	DT
12787	892	19	weight	weight	NN
12787	892	20	of	of	IN
12787	892	21	iron	iron	NN
12787	892	22	wire	wire	NN
12787	892	23	somewhat	somewhat	RB
12787	892	24	in	in	IN
12787	892	25	excess	excess	NN
12787	892	26	of	of	IN
12787	892	27	the	the	DT
12787	892	28	amount	amount	NN
12787	892	29	which	which	WDT
12787	892	30	would	would	MD
12787	892	31	be	be	VB
12787	892	32	required	require	VBN
12787	892	33	if	if	IN
12787	892	34	the	the	DT
12787	892	35	chromite	chromite	NN
12787	892	36	were	be	VBD
12787	892	37	pure	pure	JJ
12787	892	38	FeO.Cr_{2}O_{3	feo.cr_{2}o_{3	NN
12787	892	39	}	}	-RRB-
12787	892	40	may	may	MD
12787	892	41	be	be	VB
12787	892	42	weighed	weigh	VBN
12787	892	43	out	out	RP
12787	892	44	and	and	CC
12787	892	45	dissolved	dissolve	VBN
12787	892	46	in	in	IN
12787	892	47	sulphuric	sulphuric	JJ
12787	892	48	acid	acid	NN
12787	892	49	;	;	:
12787	892	50	after	after	IN
12787	892	51	reduction	reduction	NN
12787	892	52	of	of	IN
12787	892	53	all	all	PDT
12787	892	54	the	the	DT
12787	892	55	iron	iron	NN
12787	892	56	by	by	IN
12787	892	57	stannous	stannous	JJ
12787	892	58	chloride	chloride	NN
12787	892	59	and	and	CC
12787	892	60	the	the	DT
12787	892	61	addition	addition	NN
12787	892	62	of	of	IN
12787	892	63	mercuric	mercuric	NN
12787	892	64	chloride	chloride	NN
12787	892	65	,	,	,
12787	892	66	this	this	DT
12787	892	67	solution	solution	NN
12787	892	68	may	may	MD
12787	892	69	be	be	VB
12787	892	70	poured	pour	VBN
12787	892	71	into	into	IN
12787	892	72	the	the	DT
12787	892	73	chromate	chromate	NN
12787	892	74	solution	solution	NN
12787	892	75	and	and	CC
12787	892	76	the	the	DT
12787	892	77	excess	excess	NN
12787	892	78	of	of	IN
12787	892	79	iron	iron	NN
12787	892	80	determined	determine	VBN
12787	892	81	by	by	IN
12787	892	82	titration	titration	NN
12787	892	83	with	with	IN
12787	892	84	standard	standard	JJ
12787	892	85	bichromate	bichromate	NN
12787	892	86	solution	solution	NN
12787	892	87	.	.	.
12787	892	88	]	]	-RRB-
12787	893	1	PERMANGANATE	PERMANGANATE	NNP
12787	893	2	PROCESS	proces	NNS
12787	893	3	FOR	for	IN
12787	893	4	THE	the	DT
12787	893	5	DETERMINATION	DETERMINATION	NNP
12787	893	6	OF	of	IN
12787	893	7	IRON	IRON	NNP
12787	893	8	Potassium	Potassium	NNP
12787	893	9	permanganate	permanganate	VBP
12787	893	10	oxidizes	oxidize	VBZ
12787	893	11	ferrous	ferrous	JJ
12787	893	12	salts	salt	NNS
12787	893	13	in	in	IN
12787	893	14	cold	cold	JJ
12787	893	15	,	,	,
12787	893	16	acid	acid	JJ
12787	893	17	solution	solution	NN
12787	893	18	promptly	promptly	RB
12787	893	19	and	and	CC
12787	893	20	completely	completely	RB
12787	893	21	to	to	IN
12787	893	22	the	the	DT
12787	893	23	ferric	ferric	JJ
12787	893	24	condition	condition	NN
12787	893	25	,	,	,
12787	893	26	while	while	IN
12787	893	27	in	in	IN
12787	893	28	hot	hot	JJ
12787	893	29	acid	acid	NN
12787	893	30	solution	solution	NN
12787	893	31	it	-PRON-	PRP
12787	893	32	also	also	RB
12787	893	33	enters	enter	VBZ
12787	893	34	into	into	IN
12787	893	35	a	a	DT
12787	893	36	definite	definite	JJ
12787	893	37	reaction	reaction	NN
12787	893	38	with	with	IN
12787	893	39	oxalic	oxalic	JJ
12787	893	40	acid	acid	NN
12787	893	41	,	,	,
12787	893	42	by	by	IN
12787	893	43	which	which	WDT
12787	893	44	the	the	DT
12787	893	45	latter	latter	NN
12787	893	46	is	be	VBZ
12787	893	47	oxidized	oxidize	VBN
12787	893	48	to	to	IN
12787	893	49	carbon	carbon	NN
12787	893	50	dioxide	dioxide	NN
12787	893	51	and	and	CC
12787	893	52	water	water	NN
12787	893	53	.	.	.
12787	894	1	The	the	DT
12787	894	2	reactions	reaction	NNS
12787	894	3	involved	involve	VBN
12787	894	4	are	be	VBP
12787	894	5	these	these	DT
12787	894	6	:	:	:
12787	894	7	10FeSO_{4	10feso_{4	CD
12787	894	8	}	}	-RRB-
12787	894	9	+	+	CC
12787	894	10	2KMnO_{4	2kmno_{4	CD
12787	894	11	}	}	-RRB-
12787	894	12	+	+	CC
12787	894	13	8H_{2}S_{4	8h_{2}s_{4	NN
12787	894	14	}	}	-RRB-
12787	894	15	--	--	:
12787	894	16	>	>	XX
12787	894	17	5Fe_{2}(SO_{4})_{3	5fe_{2}(so_{4})_{3	CD
12787	894	18	}	}	-RRB-
12787	894	19	+	+	SYM
12787	894	20	K_{2}SO_{4	K_{2}SO_{4	NNP
12787	894	21	}	}	-RRB-
12787	894	22	+	+	CC
12787	894	23	2MnSO_{4	2mnso_{4	CD
12787	894	24	}	}	-RRB-
12787	894	25	+	+	CD
12787	894	26	8H_{2}O	8h_{2}o	CD
12787	894	27	5C_{2}H_{2}O_{4}(2H_{2}O	5c_{2}h_{2}o_{4}(2h_{2}o	CD
12787	894	28	)	)	-RRB-
12787	894	29	+	+	CC
12787	894	30	2KMnO_{4	2kmno_{4	CD
12787	894	31	}	}	-RRB-
12787	894	32	+3H_{2}SO_{4	+3h_{2}so_{4	NN
12787	894	33	}	}	-RRB-
12787	894	34	--	--	:
12787	894	35	>	>	NFP
12787	894	36	K_{2}SO_{4	K_{2}SO_{4	NNP
12787	894	37	}	}	-RRB-
12787	894	38	+	+	CC
12787	894	39	2MnSO_{4	2mnso_{4	CD
12787	894	40	}	}	-RRB-
12787	894	41	+	+	CC
12787	894	42	10CO_{2	10co_{2	NN
12787	894	43	}	}	-RRB-
12787	894	44	+	+	CC
12787	894	45	1	1	CD
12787	894	46	H_{2}O.	H_{2}O.	NNS
12787	895	1	These	these	DT
12787	895	2	are	be	VBP
12787	895	3	the	the	DT
12787	895	4	fundamental	fundamental	JJ
12787	895	5	reactions	reaction	NNS
12787	895	6	upon	upon	IN
12787	895	7	which	which	WDT
12787	895	8	the	the	DT
12787	895	9	extensive	extensive	JJ
12787	895	10	use	use	NN
12787	895	11	of	of	IN
12787	895	12	potassium	potassium	NN
12787	895	13	permanganate	permanganate	JJ
12787	895	14	depends	depend	VBZ
12787	895	15	;	;	:
12787	895	16	but	but	CC
12787	895	17	besides	besides	IN
12787	895	18	iron	iron	NN
12787	895	19	and	and	CC
12787	895	20	oxalic	oxalic	JJ
12787	895	21	acid	acid	NN
12787	895	22	the	the	DT
12787	895	23	permanganate	permanganate	JJ
12787	895	24	enters	enter	NNS
12787	895	25	into	into	IN
12787	895	26	reaction	reaction	NN
12787	895	27	with	with	IN
12787	895	28	antimony	antimony	NN
12787	895	29	,	,	,
12787	895	30	tin	tin	NNP
12787	895	31	,	,	,
12787	895	32	copper	copper	NN
12787	895	33	,	,	,
12787	895	34	mercury	mercury	NN
12787	895	35	,	,	,
12787	895	36	and	and	CC
12787	895	37	manganese	manganese	NNP
12787	895	38	(	(	-LRB-
12787	895	39	the	the	DT
12787	895	40	latter	latter	NN
12787	895	41	only	only	RB
12787	895	42	in	in	IN
12787	895	43	neutral	neutral	JJ
12787	895	44	solution	solution	NN
12787	895	45	)	)	-RRB-
12787	895	46	,	,	,
12787	895	47	by	by	IN
12787	895	48	which	which	WDT
12787	895	49	these	these	DT
12787	895	50	metals	metal	NNS
12787	895	51	are	be	VBP
12787	895	52	changed	change	VBN
12787	895	53	from	from	IN
12787	895	54	a	a	DT
12787	895	55	lower	low	JJR
12787	895	56	to	to	IN
12787	895	57	a	a	DT
12787	895	58	higher	high	JJR
12787	895	59	state	state	NN
12787	895	60	of	of	IN
12787	895	61	oxidation	oxidation	NN
12787	895	62	;	;	:
12787	895	63	and	and	CC
12787	895	64	it	-PRON-	PRP
12787	895	65	also	also	RB
12787	895	66	reacts	react	VBZ
12787	895	67	with	with	IN
12787	895	68	sulphurous	sulphurous	JJ
12787	895	69	acid	acid	NN
12787	895	70	,	,	,
12787	895	71	sulphureted	sulphurete	VBN
12787	895	72	hydrogen	hydrogen	NN
12787	895	73	,	,	,
12787	895	74	nitrous	nitrous	JJ
12787	895	75	acid	acid	NN
12787	895	76	,	,	,
12787	895	77	ferrocyanides	ferrocyanide	NNS
12787	895	78	,	,	,
12787	895	79	and	and	CC
12787	895	80	most	most	RBS
12787	895	81	soluble	soluble	JJ
12787	895	82	organic	organic	JJ
12787	895	83	bodies	body	NNS
12787	895	84	.	.	.
12787	896	1	It	-PRON-	PRP
12787	896	2	should	should	MD
12787	896	3	be	be	VB
12787	896	4	noted	note	VBN
12787	896	5	,	,	,
12787	896	6	however	however	RB
12787	896	7	,	,	,
12787	896	8	that	that	DT
12787	896	9	very	very	RB
12787	896	10	few	few	JJ
12787	896	11	of	of	IN
12787	896	12	these	these	DT
12787	896	13	organic	organic	JJ
12787	896	14	compounds	compound	NNS
12787	896	15	react	react	VBP
12787	896	16	quantitatively	quantitatively	RB
12787	896	17	with	with	IN
12787	896	18	the	the	DT
12787	896	19	permanganate	permanganate	NN
12787	896	20	,	,	,
12787	896	21	as	as	IN
12787	896	22	is	be	VBZ
12787	896	23	the	the	DT
12787	896	24	case	case	NN
12787	896	25	with	with	IN
12787	896	26	oxalic	oxalic	JJ
12787	896	27	acid	acid	NN
12787	896	28	and	and	CC
12787	896	29	the	the	DT
12787	896	30	oxalates	oxalate	NNS
12787	896	31	.	.	.
12787	897	1	Potassium	potassium	NN
12787	897	2	permanganate	permanganate	NN
12787	897	3	is	be	VBZ
12787	897	4	acted	act	VBN
12787	897	5	upon	upon	IN
12787	897	6	by	by	IN
12787	897	7	hydrochloric	hydrochloric	JJ
12787	897	8	acid	acid	NN
12787	897	9	;	;	:
12787	897	10	the	the	DT
12787	897	11	action	action	NN
12787	897	12	is	be	VBZ
12787	897	13	rapid	rapid	JJ
12787	897	14	in	in	IN
12787	897	15	hot	hot	JJ
12787	897	16	or	or	CC
12787	897	17	concentrated	concentrated	JJ
12787	897	18	solution	solution	NN
12787	897	19	(	(	-LRB-
12787	897	20	particularly	particularly	RB
12787	897	21	in	in	IN
12787	897	22	the	the	DT
12787	897	23	presence	presence	NN
12787	897	24	of	of	IN
12787	897	25	iron	iron	NN
12787	897	26	salts	salt	NNS
12787	897	27	,	,	,
12787	897	28	which	which	WDT
12787	897	29	appear	appear	VBP
12787	897	30	to	to	TO
12787	897	31	act	act	VB
12787	897	32	as	as	IN
12787	897	33	catalyzers	catalyzer	NNS
12787	897	34	,	,	,
12787	897	35	increasing	increase	VBG
12787	897	36	the	the	DT
12787	897	37	velocity	velocity	NN
12787	897	38	of	of	IN
12787	897	39	the	the	DT
12787	897	40	reaction	reaction	NN
12787	897	41	)	)	-RRB-
12787	897	42	,	,	,
12787	897	43	but	but	CC
12787	897	44	slow	slow	JJ
12787	897	45	in	in	IN
12787	897	46	cold	cold	JJ
12787	897	47	,	,	,
12787	897	48	dilute	dilute	JJ
12787	897	49	solutions	solution	NNS
12787	897	50	.	.	.
12787	898	1	However	however	RB
12787	898	2	,	,	,
12787	898	3	the	the	DT
12787	898	4	greater	great	JJR
12787	898	5	solubility	solubility	NN
12787	898	6	of	of	IN
12787	898	7	iron	iron	NN
12787	898	8	compounds	compound	NNS
12787	898	9	in	in	IN
12787	898	10	hydrochloric	hydrochloric	JJ
12787	898	11	acid	acid	NN
12787	898	12	makes	make	VBZ
12787	898	13	it	-PRON-	PRP
12787	898	14	desirable	desirable	JJ
12787	898	15	to	to	TO
12787	898	16	use	use	VB
12787	898	17	this	this	DT
12787	898	18	acid	acid	NN
12787	898	19	as	as	IN
12787	898	20	a	a	DT
12787	898	21	solvent	solvent	NN
12787	898	22	,	,	,
12787	898	23	and	and	CC
12787	898	24	experiments	experiment	NNS
12787	898	25	made	make	VBN
12787	898	26	with	with	IN
12787	898	27	this	this	DT
12787	898	28	end	end	NN
12787	898	29	in	in	IN
12787	898	30	view	view	NN
12787	898	31	have	have	VBP
12787	898	32	shown	show	VBN
12787	898	33	that	that	IN
12787	898	34	in	in	IN
12787	898	35	cold	cold	JJ
12787	898	36	,	,	,
12787	898	37	dilute	dilute	JJ
12787	898	38	hydrochloric	hydrochloric	JJ
12787	898	39	acid	acid	NN
12787	898	40	solution	solution	NN
12787	898	41	,	,	,
12787	898	42	to	to	IN
12787	898	43	which	which	WDT
12787	898	44	considerable	considerable	JJ
12787	898	45	quantities	quantity	NNS
12787	898	46	of	of	IN
12787	898	47	manganous	manganous	JJ
12787	898	48	sulphate	sulphate	NN
12787	898	49	and	and	CC
12787	898	50	an	an	DT
12787	898	51	excess	excess	NN
12787	898	52	of	of	IN
12787	898	53	phosphoric	phosphoric	NN
12787	898	54	acid	acid	NN
12787	898	55	have	have	VBP
12787	898	56	been	be	VBN
12787	898	57	added	add	VBN
12787	898	58	,	,	,
12787	898	59	it	-PRON-	PRP
12787	898	60	is	be	VBZ
12787	898	61	possible	possible	JJ
12787	898	62	to	to	TO
12787	898	63	obtain	obtain	VB
12787	898	64	satisfactory	satisfactory	JJ
12787	898	65	results	result	NNS
12787	898	66	.	.	.
12787	899	1	It	-PRON-	PRP
12787	899	2	is	be	VBZ
12787	899	3	also	also	RB
12787	899	4	possible	possible	JJ
12787	899	5	to	to	TO
12787	899	6	replace	replace	VB
12787	899	7	the	the	DT
12787	899	8	hydrochloric	hydrochloric	JJ
12787	899	9	acid	acid	NN
12787	899	10	by	by	IN
12787	899	11	evaporating	evaporate	VBG
12787	899	12	the	the	DT
12787	899	13	solutions	solution	NNS
12787	899	14	with	with	IN
12787	899	15	an	an	DT
12787	899	16	excess	excess	NN
12787	899	17	of	of	IN
12787	899	18	sulphuric	sulphuric	JJ
12787	899	19	acid	acid	NN
12787	899	20	until	until	IN
12787	899	21	the	the	DT
12787	899	22	latter	latter	JJ
12787	899	23	fumes	fume	NNS
12787	899	24	.	.	.
12787	900	1	This	this	DT
12787	900	2	procedure	procedure	NN
12787	900	3	is	be	VBZ
12787	900	4	somewhat	somewhat	RB
12787	900	5	more	more	JJR
12787	900	6	time	time	NN
12787	900	7	-	-	HYPH
12787	900	8	consuming	consume	VBG
12787	900	9	,	,	,
12787	900	10	but	but	CC
12787	900	11	the	the	DT
12787	900	12	end	end	NN
12787	900	13	-	-	HYPH
12787	900	14	point	point	NN
12787	900	15	of	of	IN
12787	900	16	the	the	DT
12787	900	17	permanganate	permanganate	JJ
12787	900	18	titration	titration	NN
12787	900	19	is	be	VBZ
12787	900	20	more	more	RBR
12787	900	21	permanent	permanent	JJ
12787	900	22	.	.	.
12787	901	1	Both	both	DT
12787	901	2	procedures	procedure	NNS
12787	901	3	are	be	VBP
12787	901	4	described	describe	VBN
12787	901	5	below	below	IN
12787	901	6	.	.	.
12787	902	1	Potassium	potassium	NN
12787	902	2	permanganate	permanganate	NN
12787	902	3	has	have	VBZ
12787	902	4	an	an	DT
12787	902	5	intense	intense	JJ
12787	902	6	coloring	coloring	NN
12787	902	7	power	power	NN
12787	902	8	,	,	,
12787	902	9	and	and	CC
12787	902	10	since	since	IN
12787	902	11	the	the	DT
12787	902	12	solution	solution	NN
12787	902	13	resulting	result	VBG
12787	902	14	from	from	IN
12787	902	15	the	the	DT
12787	902	16	oxidation	oxidation	NN
12787	902	17	of	of	IN
12787	902	18	the	the	DT
12787	902	19	iron	iron	NN
12787	902	20	and	and	CC
12787	902	21	the	the	DT
12787	902	22	reduction	reduction	NN
12787	902	23	of	of	IN
12787	902	24	the	the	DT
12787	902	25	permanganate	permanganate	NN
12787	902	26	is	be	VBZ
12787	902	27	colorless	colorless	JJ
12787	902	28	,	,	,
12787	902	29	the	the	DT
12787	902	30	latter	latter	JJ
12787	902	31	becomes	become	VBZ
12787	902	32	its	-PRON-	PRP$
12787	902	33	own	own	JJ
12787	902	34	indicator	indicator	NN
12787	902	35	.	.	.
12787	903	1	The	the	DT
12787	903	2	slightest	slight	JJS
12787	903	3	excess	excess	NN
12787	903	4	is	be	VBZ
12787	903	5	indicated	indicate	VBN
12787	903	6	with	with	IN
12787	903	7	great	great	JJ
12787	903	8	accuracy	accuracy	NN
12787	903	9	by	by	IN
12787	903	10	the	the	DT
12787	903	11	pink	pink	JJ
12787	903	12	color	color	NN
12787	903	13	of	of	IN
12787	903	14	the	the	DT
12787	903	15	solution	solution	NN
12787	903	16	.	.	.
12787	904	1	PREPARATION	preparation	NN
12787	904	2	OF	of	IN
12787	904	3	A	a	DT
12787	904	4	STANDARD	STANDARD	NNP
12787	904	5	SOLUTION	SOLUTION	NNP
12787	904	6	!	!	.
12787	904	7	Approximate	Approximate	NNP
12787	904	8	Strength	Strength	NNP
12787	904	9	0.1	0.1	CD
12787	904	10	N	n	CD
12787	904	11	!	!	.
12787	905	1	A	a	DT
12787	905	2	study	study	NN
12787	905	3	of	of	IN
12787	905	4	the	the	DT
12787	905	5	reactions	reaction	NNS
12787	905	6	given	give	VBN
12787	905	7	above	above	IN
12787	905	8	which	which	WDT
12787	905	9	represent	represent	VBP
12787	905	10	the	the	DT
12787	905	11	oxidation	oxidation	NN
12787	905	12	of	of	IN
12787	905	13	ferrous	ferrous	JJ
12787	905	14	compounds	compound	NNS
12787	905	15	by	by	IN
12787	905	16	potassium	potassium	NN
12787	905	17	permanganate	permanganate	NN
12787	905	18	,	,	,
12787	905	19	shows	show	VBZ
12787	905	20	that	that	IN
12787	905	21	there	there	EX
12787	905	22	are	be	VBP
12787	905	23	2	2	CD
12787	905	24	molecules	molecule	NNS
12787	905	25	of	of	IN
12787	905	26	KMnO_{4	KMnO_{4	NNP
12787	905	27	}	}	-RRB-
12787	905	28	and	and	CC
12787	905	29	10	10	CD
12787	905	30	molecules	molecule	NNS
12787	905	31	of	of	IN
12787	905	32	FeSO_{4	FeSO_{4	NNP
12787	905	33	}	}	-RRB-
12787	905	34	on	on	IN
12787	905	35	the	the	DT
12787	905	36	left	left	JJ
12787	905	37	-	-	HYPH
12787	905	38	hand	hand	NN
12787	905	39	side	side	NN
12787	905	40	,	,	,
12787	905	41	and	and	CC
12787	905	42	2	2	CD
12787	905	43	molecules	molecule	NNS
12787	905	44	of	of	IN
12787	905	45	MnSO_{4	MnSO_{4	NNP
12787	905	46	}	}	-RRB-
12787	905	47	and	and	CC
12787	905	48	5	5	CD
12787	905	49	molecules	molecule	NNS
12787	905	50	of	of	IN
12787	905	51	Fe_{2}(SO_{4})_{5	fe_{2}(so_{4})_{5	CD
12787	905	52	}	}	-RRB-
12787	905	53	on	on	IN
12787	905	54	the	the	DT
12787	905	55	right	right	JJ
12787	905	56	-	-	HYPH
12787	905	57	hand	hand	NN
12787	905	58	side	side	NN
12787	905	59	.	.	.
12787	906	1	Considering	consider	VBG
12787	906	2	only	only	RB
12787	906	3	these	these	DT
12787	906	4	compounds	compound	NNS
12787	906	5	,	,	,
12787	906	6	and	and	CC
12787	906	7	writing	write	VBG
12787	906	8	the	the	DT
12787	906	9	formulas	formula	NNS
12787	906	10	in	in	IN
12787	906	11	such	such	PDT
12787	906	12	a	a	DT
12787	906	13	way	way	NN
12787	906	14	as	as	IN
12787	906	15	to	to	TO
12787	906	16	show	show	VB
12787	906	17	the	the	DT
12787	906	18	oxides	oxide	NNS
12787	906	19	of	of	IN
12787	906	20	the	the	DT
12787	906	21	elements	element	NNS
12787	906	22	in	in	IN
12787	906	23	each	each	DT
12787	906	24	,	,	,
12787	906	25	the	the	DT
12787	906	26	equation	equation	NN
12787	906	27	becomes	become	VBZ
12787	906	28	:	:	:
12787	906	29	K_{2}O.Mn_{2}O_{7	K_{2}O.Mn_{2}O_{7	NNP
12787	906	30	}	}	-RRB-
12787	906	31	+	+	CC
12787	906	32	10(FeO.SO_{3	10(feo.so_{3	CD
12787	906	33	}	}	-RRB-
12787	906	34	)	)	-RRB-
12787	906	35	--	--	:
12787	906	36	>	>	XX
12787	906	37	K_{2}O.SO_{3	K_{2}O.SO_{3	NNP
12787	906	38	}	}	-RRB-
12787	906	39	+	+	CC
12787	906	40	2(MnO.SO_{3	2(mno.so_{3	CD
12787	906	41	}	}	-RRB-
12787	906	42	)	)	-RRB-
12787	906	43	+	+	ADD
12787	906	44	5(Fe_{2}O_{3}.3SO_{3	5(fe_{2}o_{3}.3so_{3	CD
12787	906	45	}	}	-RRB-
12787	906	46	)	)	-RRB-
12787	906	47	.	.	.
12787	907	1	From	from	IN
12787	907	2	this	this	DT
12787	907	3	it	-PRON-	PRP
12787	907	4	appears	appear	VBZ
12787	907	5	that	that	IN
12787	907	6	two	two	CD
12787	907	7	molecules	molecule	NNS
12787	907	8	of	of	IN
12787	907	9	KMnO_{4	KMnO_{4	NNP
12787	907	10	}	}	-RRB-
12787	907	11	(	(	-LRB-
12787	907	12	or	or	CC
12787	907	13	316.0	316.0	CD
12787	907	14	grams	gram	NNS
12787	907	15	)	)	-RRB-
12787	907	16	have	have	VBP
12787	907	17	given	give	VBN
12787	907	18	up	up	RP
12787	907	19	five	five	CD
12787	907	20	atoms	atom	NNS
12787	907	21	(	(	-LRB-
12787	907	22	or	or	CC
12787	907	23	80	80	CD
12787	907	24	grams	gram	NNS
12787	907	25	)	)	-RRB-
12787	907	26	of	of	IN
12787	907	27	oxygen	oxygen	NN
12787	907	28	to	to	TO
12787	907	29	oxidize	oxidize	VB
12787	907	30	the	the	DT
12787	907	31	ferrous	ferrous	JJ
12787	907	32	compound	compound	NN
12787	907	33	.	.	.
12787	908	1	Since	since	IN
12787	908	2	8	8	CD
12787	908	3	grams	gram	NNS
12787	908	4	of	of	IN
12787	908	5	oxygen	oxygen	NN
12787	908	6	is	be	VBZ
12787	908	7	the	the	DT
12787	908	8	basis	basis	NN
12787	908	9	of	of	IN
12787	908	10	normal	normal	JJ
12787	908	11	oxidizing	oxidizing	JJ
12787	908	12	solutions	solution	NNS
12787	908	13	and	and	CC
12787	908	14	80	80	CD
12787	908	15	grams	gram	NNS
12787	908	16	of	of	IN
12787	908	17	oxygen	oxygen	NN
12787	908	18	are	be	VBP
12787	908	19	supplied	supply	VBN
12787	908	20	by	by	IN
12787	908	21	316.0	316.0	CD
12787	908	22	grams	gram	NNS
12787	908	23	of	of	IN
12787	908	24	KMnO_{4	KMnO_{4	NNP
12787	908	25	}	}	-RRB-
12787	908	26	,	,	,
12787	908	27	the	the	DT
12787	908	28	normal	normal	JJ
12787	908	29	solution	solution	NN
12787	908	30	of	of	IN
12787	908	31	the	the	DT
12787	908	32	permanganate	permanganate	NN
12787	908	33	should	should	MD
12787	908	34	contain	contain	VB
12787	908	35	,	,	,
12787	908	36	per	per	IN
12787	908	37	liter	liter	NN
12787	908	38	,	,	,
12787	908	39	316.0/10	316.0/10	CD
12787	908	40	grams	gram	NNS
12787	908	41	,	,	,
12787	908	42	or	or	CC
12787	908	43	31.60	31.60	CD
12787	908	44	grams	gram	NNS
12787	908	45	(	(	-LRB-
12787	908	46	Note	note	NN
12787	908	47	1	1	CD
12787	908	48	)	)	-RRB-
12787	908	49	.	.	.
12787	909	1	The	the	DT
12787	909	2	preparation	preparation	NN
12787	909	3	of	of	IN
12787	909	4	an	an	DT
12787	909	5	approximately	approximately	RB
12787	909	6	tenth	tenth	JJ
12787	909	7	-	-	HYPH
12787	909	8	normal	normal	JJ
12787	909	9	solution	solution	NN
12787	909	10	of	of	IN
12787	909	11	the	the	DT
12787	909	12	reagent	reagent	NN
12787	909	13	may	may	MD
12787	909	14	be	be	VB
12787	909	15	carried	carry	VBN
12787	909	16	out	out	RP
12787	909	17	as	as	IN
12787	909	18	follows	follow	VBZ
12787	909	19	:	:	:
12787	909	20	PROCEDURE.--Dissolve	procedure.--dissolve	NN
12787	909	21	about	about	RB
12787	909	22	3.25	3.25	CD
12787	909	23	grams	gram	NNS
12787	909	24	of	of	IN
12787	909	25	potassium	potassium	NN
12787	909	26	permanganate	permanganate	JJ
12787	909	27	crystals	crystal	NNS
12787	909	28	in	in	IN
12787	909	29	approximately	approximately	RB
12787	909	30	1000	1000	CD
12787	909	31	cc	cc	NNP
12787	909	32	.	.	.
12787	910	1	of	of	IN
12787	910	2	distilled	distil	VBN
12787	910	3	water	water	NN
12787	910	4	in	in	IN
12787	910	5	a	a	DT
12787	910	6	large	large	JJ
12787	910	7	beaker	beaker	NN
12787	910	8	,	,	,
12787	910	9	or	or	CC
12787	910	10	casserole	casserole	NNS
12787	910	11	.	.	.
12787	911	1	Heat	heat	NN
12787	911	2	slowly	slowly	RB
12787	911	3	and	and	CC
12787	911	4	when	when	WRB
12787	911	5	the	the	DT
12787	911	6	crystals	crystal	NNS
12787	911	7	have	have	VBP
12787	911	8	dissolved	dissolve	VBN
12787	911	9	,	,	,
12787	911	10	boil	boil	VB
12787	911	11	the	the	DT
12787	911	12	solution	solution	NN
12787	911	13	for	for	IN
12787	911	14	10	10	CD
12787	911	15	-	-	SYM
12787	911	16	15	15	CD
12787	911	17	minutes	minute	NNS
12787	911	18	.	.	.
12787	912	1	Cover	cover	VB
12787	912	2	the	the	DT
12787	912	3	solution	solution	NN
12787	912	4	with	with	IN
12787	912	5	a	a	DT
12787	912	6	watch	watch	NN
12787	912	7	-	-	HYPH
12787	912	8	glass	glass	NN
12787	912	9	;	;	:
12787	912	10	allow	allow	VB
12787	912	11	it	-PRON-	PRP
12787	912	12	to	to	TO
12787	912	13	stand	stand	VB
12787	912	14	until	until	IN
12787	912	15	cool	cool	JJ
12787	912	16	,	,	,
12787	912	17	or	or	CC
12787	912	18	preferably	preferably	RB
12787	912	19	over	over	IN
12787	912	20	night	night	NN
12787	912	21	.	.	.
12787	913	1	Filter	filter	VB
12787	913	2	the	the	DT
12787	913	3	solution	solution	NN
12787	913	4	through	through	IN
12787	913	5	a	a	DT
12787	913	6	layer	layer	NN
12787	913	7	of	of	IN
12787	913	8	asbestos	asbestos	NN
12787	913	9	.	.	.
12787	914	1	Transfer	transfer	VB
12787	914	2	the	the	DT
12787	914	3	filtrate	filtrate	NN
12787	914	4	to	to	IN
12787	914	5	a	a	DT
12787	914	6	liter	liter	NN
12787	914	7	bottle	bottle	NN
12787	914	8	and	and	CC
12787	914	9	mix	mix	VB
12787	914	10	thoroughly	thoroughly	RB
12787	914	11	(	(	-LRB-
12787	914	12	Note	note	NN
12787	914	13	2	2	CD
12787	914	14	)	)	-RRB-
12787	914	15	.	.	.
12787	915	1	[	[	-LRB-
12787	915	2	Note	note	NN
12787	915	3	1	1	CD
12787	915	4	:	:	:
12787	915	5	The	the	DT
12787	915	6	reactions	reaction	NNS
12787	915	7	given	give	VBN
12787	915	8	on	on	IN
12787	915	9	page	page	NN
12787	915	10	61	61	CD
12787	915	11	are	be	VBP
12787	915	12	those	those	DT
12787	915	13	which	which	WDT
12787	915	14	take	take	VBP
12787	915	15	place	place	NN
12787	915	16	in	in	IN
12787	915	17	the	the	DT
12787	915	18	presence	presence	NN
12787	915	19	of	of	IN
12787	915	20	an	an	DT
12787	915	21	excess	excess	NN
12787	915	22	of	of	IN
12787	915	23	acid	acid	NN
12787	915	24	.	.	.
12787	916	1	In	in	IN
12787	916	2	neutral	neutral	JJ
12787	916	3	solutions	solution	NNS
12787	916	4	the	the	DT
12787	916	5	reduction	reduction	NN
12787	916	6	of	of	IN
12787	916	7	the	the	DT
12787	916	8	permanganate	permanganate	NN
12787	916	9	is	be	VBZ
12787	916	10	less	less	RBR
12787	916	11	complete	complete	JJ
12787	916	12	,	,	,
12787	916	13	and	and	CC
12787	916	14	,	,	,
12787	916	15	under	under	IN
12787	916	16	these	these	DT
12787	916	17	conditions	condition	NNS
12787	916	18	,	,	,
12787	916	19	two	two	CD
12787	916	20	gram	gram	NN
12787	916	21	-	-	HYPH
12787	916	22	molecular	molecular	JJ
12787	916	23	weights	weight	NNS
12787	916	24	of	of	IN
12787	916	25	KMnO_{4	KMnO_{4	NNP
12787	916	26	}	}	-RRB-
12787	916	27	will	will	MD
12787	916	28	furnish	furnish	VB
12787	916	29	only	only	RB
12787	916	30	48	48	CD
12787	916	31	grams	gram	NNS
12787	916	32	of	of	IN
12787	916	33	oxygen	oxygen	NN
12787	916	34	.	.	.
12787	917	1	A	a	DT
12787	917	2	normal	normal	JJ
12787	917	3	solution	solution	NN
12787	917	4	for	for	IN
12787	917	5	use	use	NN
12787	917	6	under	under	IN
12787	917	7	these	these	DT
12787	917	8	conditions	condition	NNS
12787	917	9	should	should	MD
12787	917	10	,	,	,
12787	917	11	therefore	therefore	RB
12787	917	12	,	,	,
12787	917	13	contain	contain	VBP
12787	917	14	316.0/6	316.0/6	NNS
12787	917	15	grams	gram	NNS
12787	917	16	,	,	,
12787	917	17	or	or	CC
12787	917	18	52.66	52.66	CD
12787	917	19	grams	gram	NNS
12787	917	20	.	.	.
12787	917	21	]	]	-RRB-
12787	918	1	[	[	-LRB-
12787	918	2	Note	note	NN
12787	918	3	2	2	CD
12787	918	4	:	:	:
12787	918	5	Potassium	potassium	JJ
12787	918	6	permanganate	permanganate	JJ
12787	918	7	solutions	solution	NNS
12787	918	8	are	be	VBP
12787	918	9	not	not	RB
12787	918	10	usually	usually	RB
12787	918	11	stable	stable	JJ
12787	918	12	for	for	IN
12787	918	13	long	long	JJ
12787	918	14	periods	period	NNS
12787	918	15	,	,	,
12787	918	16	and	and	CC
12787	918	17	change	change	VB
12787	918	18	more	more	RBR
12787	918	19	rapidly	rapidly	RB
12787	918	20	when	when	WRB
12787	918	21	first	first	RB
12787	918	22	prepared	prepare	VBD
12787	918	23	than	than	IN
12787	918	24	after	after	IN
12787	918	25	standing	stand	VBG
12787	918	26	some	some	DT
12787	918	27	days	day	NNS
12787	918	28	.	.	.
12787	919	1	This	this	DT
12787	919	2	change	change	NN
12787	919	3	is	be	VBZ
12787	919	4	probably	probably	RB
12787	919	5	caused	cause	VBN
12787	919	6	by	by	IN
12787	919	7	interaction	interaction	NN
12787	919	8	with	with	IN
12787	919	9	the	the	DT
12787	919	10	organic	organic	JJ
12787	919	11	matter	matter	NN
12787	919	12	contained	contain	VBN
12787	919	13	in	in	IN
12787	919	14	all	all	DT
12787	919	15	distilled	distil	VBN
12787	919	16	water	water	NN
12787	919	17	,	,	,
12787	919	18	except	except	IN
12787	919	19	that	that	DT
12787	919	20	redistilled	redistille	VBD
12787	919	21	from	from	IN
12787	919	22	an	an	DT
12787	919	23	alkaline	alkaline	JJ
12787	919	24	permanganate	permanganate	JJ
12787	919	25	solution	solution	NN
12787	919	26	.	.	.
12787	920	1	The	the	DT
12787	920	2	solutions	solution	NNS
12787	920	3	should	should	MD
12787	920	4	be	be	VB
12787	920	5	protected	protect	VBN
12787	920	6	from	from	IN
12787	920	7	light	light	NN
12787	920	8	and	and	CC
12787	920	9	heat	heat	NN
12787	920	10	as	as	RB
12787	920	11	far	far	RB
12787	920	12	as	as	IN
12787	920	13	possible	possible	JJ
12787	920	14	,	,	,
12787	920	15	since	since	IN
12787	920	16	both	both	DT
12787	920	17	induce	induce	VBP
12787	920	18	decomposition	decomposition	NN
12787	920	19	with	with	IN
12787	920	20	a	a	DT
12787	920	21	deposition	deposition	NN
12787	920	22	of	of	IN
12787	920	23	manganese	manganese	JJ
12787	920	24	dioxide	dioxide	NN
12787	920	25	,	,	,
12787	920	26	and	and	CC
12787	920	27	it	-PRON-	PRP
12787	920	28	has	have	VBZ
12787	920	29	been	be	VBN
12787	920	30	shown	show	VBN
12787	920	31	that	that	IN
12787	920	32	decomposition	decomposition	NN
12787	920	33	proceeds	proceed	NNS
12787	920	34	with	with	IN
12787	920	35	considerable	considerable	JJ
12787	920	36	rapidity	rapidity	NN
12787	920	37	,	,	,
12787	920	38	with	with	IN
12787	920	39	the	the	DT
12787	920	40	evolution	evolution	NN
12787	920	41	of	of	IN
12787	920	42	oxygen	oxygen	NN
12787	920	43	,	,	,
12787	920	44	after	after	IN
12787	920	45	the	the	DT
12787	920	46	dioxide	dioxide	NN
12787	920	47	has	have	VBZ
12787	920	48	begun	begin	VBN
12787	920	49	to	to	TO
12787	920	50	form	form	VB
12787	920	51	.	.	.
12787	921	1	As	as	IN
12787	921	2	commercial	commercial	JJ
12787	921	3	samples	sample	NNS
12787	921	4	of	of	IN
12787	921	5	the	the	DT
12787	921	6	permanganate	permanganate	JJ
12787	921	7	are	be	VBP
12787	921	8	likely	likely	JJ
12787	921	9	to	to	TO
12787	921	10	be	be	VB
12787	921	11	contaminated	contaminate	VBN
12787	921	12	by	by	IN
12787	921	13	the	the	DT
12787	921	14	dioxide	dioxide	NN
12787	921	15	,	,	,
12787	921	16	it	-PRON-	PRP
12787	921	17	is	be	VBZ
12787	921	18	advisable	advisable	JJ
12787	921	19	to	to	TO
12787	921	20	boil	boil	VB
12787	921	21	and	and	CC
12787	921	22	filter	filter	NN
12787	921	23	solutions	solution	NNS
12787	921	24	through	through	IN
12787	921	25	asbestos	asbestos	NN
12787	921	26	before	before	IN
12787	921	27	standardization	standardization	NN
12787	921	28	,	,	,
12787	921	29	as	as	IN
12787	921	30	prescribed	prescribe	VBN
12787	921	31	above	above	RB
12787	921	32	.	.	.
12787	922	1	Such	such	JJ
12787	922	2	solutions	solution	NNS
12787	922	3	are	be	VBP
12787	922	4	relatively	relatively	RB
12787	922	5	stable	stable	JJ
12787	922	6	.	.	.
12787	922	7	]	]	-RRB-
12787	923	1	COMPARISON	comparison	NN
12787	923	2	OF	of	IN
12787	923	3	PERMANGANATE	PERMANGANATE	NNP
12787	923	4	AND	and	CC
12787	923	5	FERROUS	FERROUS	NNP
12787	923	6	SOLUTIONS	SOLUTIONS	NNP
12787	923	7	PROCEDURE.--Fill	procedure.--fill	VBP
12787	923	8	a	a	DT
12787	923	9	glass	glass	NN
12787	923	10	-	-	HYPH
12787	923	11	stoppered	stopper	VBN
12787	923	12	burette	burette	NN
12787	923	13	with	with	IN
12787	923	14	the	the	DT
12787	923	15	permanganate	permanganate	JJ
12787	923	16	solution	solution	NN
12787	923	17	,	,	,
12787	923	18	observing	observe	VBG
12787	923	19	the	the	DT
12787	923	20	usual	usual	JJ
12787	923	21	precautions	precaution	NNS
12787	923	22	,	,	,
12787	923	23	and	and	CC
12787	923	24	fill	fill	VB
12787	923	25	a	a	DT
12787	923	26	second	second	JJ
12787	923	27	burette	burette	NN
12787	923	28	with	with	IN
12787	923	29	the	the	DT
12787	923	30	ferrous	ferrous	JJ
12787	923	31	sulphate	sulphate	NN
12787	923	32	solution	solution	NN
12787	923	33	prepared	prepare	VBN
12787	923	34	for	for	IN
12787	923	35	use	use	NN
12787	923	36	with	with	IN
12787	923	37	the	the	DT
12787	923	38	potassium	potassium	NN
12787	923	39	bichromate	bichromate	NN
12787	923	40	.	.	.
12787	924	1	The	the	DT
12787	924	2	permanganate	permanganate	JJ
12787	924	3	solution	solution	NN
12787	924	4	can	can	MD
12787	924	5	not	not	RB
12787	924	6	be	be	VB
12787	924	7	used	use	VBN
12787	924	8	in	in	IN
12787	924	9	burettes	burette	NNS
12787	924	10	with	with	IN
12787	924	11	rubber	rubber	NN
12787	924	12	tips	tip	NNS
12787	924	13	,	,	,
12787	924	14	as	as	IN
12787	924	15	a	a	DT
12787	924	16	reduction	reduction	NN
12787	924	17	takes	take	VBZ
12787	924	18	place	place	NN
12787	924	19	upon	upon	IN
12787	924	20	contact	contact	NN
12787	924	21	with	with	IN
12787	924	22	the	the	DT
12787	924	23	rubber	rubber	NN
12787	924	24	.	.	.
12787	925	1	The	the	DT
12787	925	2	solution	solution	NN
12787	925	3	has	have	VBZ
12787	925	4	so	so	RB
12787	925	5	deep	deep	JJ
12787	925	6	a	a	DT
12787	925	7	color	color	NN
12787	925	8	that	that	IN
12787	925	9	the	the	DT
12787	925	10	lower	low	JJR
12787	925	11	line	line	NN
12787	925	12	of	of	IN
12787	925	13	the	the	DT
12787	925	14	meniscus	meniscus	NN
12787	925	15	can	can	MD
12787	925	16	not	not	RB
12787	925	17	be	be	VB
12787	925	18	detected	detect	VBN
12787	925	19	;	;	:
12787	925	20	readings	reading	NNS
12787	925	21	must	must	MD
12787	925	22	therefore	therefore	RB
12787	925	23	be	be	VB
12787	925	24	made	make	VBN
12787	925	25	from	from	IN
12787	925	26	the	the	DT
12787	925	27	upper	upper	JJ
12787	925	28	edge	edge	NN
12787	925	29	.	.	.
12787	926	1	Run	run	VB
12787	926	2	out	out	RP
12787	926	3	into	into	IN
12787	926	4	a	a	DT
12787	926	5	beaker	beaker	NN
12787	926	6	about	about	RB
12787	926	7	40	40	CD
12787	926	8	cc	cc	NN
12787	926	9	.	.	.
12787	927	1	of	of	IN
12787	927	2	the	the	DT
12787	927	3	ferrous	ferrous	JJ
12787	927	4	solution	solution	NN
12787	927	5	,	,	,
12787	927	6	dilute	dilute	NN
12787	927	7	to	to	IN
12787	927	8	about	about	RB
12787	927	9	100	100	CD
12787	927	10	cc	cc	NN
12787	927	11	.	.	.
12787	927	12	,	,	,
12787	927	13	add	add	VB
12787	927	14	10	10	CD
12787	927	15	cc	cc	NN
12787	927	16	.	.	.
12787	928	1	of	of	IN
12787	928	2	dilute	dilute	NNP
12787	928	3	sulphuric	sulphuric	NNP
12787	928	4	acid	acid	NNP
12787	928	5	,	,	,
12787	928	6	and	and	CC
12787	928	7	run	run	VB
12787	928	8	in	in	IN
12787	928	9	the	the	DT
12787	928	10	permanganate	permanganate	JJ
12787	928	11	solution	solution	NN
12787	928	12	to	to	IN
12787	928	13	a	a	DT
12787	928	14	slight	slight	JJ
12787	928	15	permanent	permanent	JJ
12787	928	16	pink	pink	NN
12787	928	17	.	.	.
12787	929	1	Repeat	repeat	NN
12787	929	2	,	,	,
12787	929	3	until	until	IN
12787	929	4	the	the	DT
12787	929	5	ratio	ratio	NN
12787	929	6	of	of	IN
12787	929	7	the	the	DT
12787	929	8	two	two	CD
12787	929	9	solutions	solution	NNS
12787	929	10	is	be	VBZ
12787	929	11	satisfactorily	satisfactorily	RB
12787	929	12	established	establish	VBN
12787	929	13	.	.	.
12787	930	1	STANDARDIZATION	STANDARDIZATION	VBN
12787	930	2	OF	of	IN
12787	930	3	A	a	DT
12787	930	4	POTASSIUM	POTASSIUM	NNP
12787	930	5	PERMANGANATE	PERMANGANATE	NNP
12787	930	6	SOLUTION	SOLUTION	NNP
12787	930	7	!	!	.
12787	930	8	Selection	selection	NN
12787	930	9	of	of	IN
12787	930	10	a	a	DT
12787	930	11	Standard	Standard	NNP
12787	930	12	!	!	.
12787	931	1	Commercial	commercial	JJ
12787	931	2	potassium	potassium	NN
12787	931	3	permanganate	permanganate	NN
12787	931	4	is	be	VBZ
12787	931	5	rarely	rarely	RB
12787	931	6	sufficiently	sufficiently	RB
12787	931	7	pure	pure	JJ
12787	931	8	to	to	TO
12787	931	9	admit	admit	VB
12787	931	10	of	of	IN
12787	931	11	its	-PRON-	PRP$
12787	931	12	direct	direct	JJ
12787	931	13	weighing	weighing	NN
12787	931	14	as	as	IN
12787	931	15	a	a	DT
12787	931	16	standard	standard	NN
12787	931	17	.	.	.
12787	932	1	On	on	IN
12787	932	2	this	this	DT
12787	932	3	account	account	NN
12787	932	4	,	,	,
12787	932	5	and	and	CC
12787	932	6	because	because	IN
12787	932	7	of	of	IN
12787	932	8	the	the	DT
12787	932	9	uncertainties	uncertainty	NNS
12787	932	10	as	as	IN
12787	932	11	to	to	IN
12787	932	12	the	the	DT
12787	932	13	permanence	permanence	NN
12787	932	14	of	of	IN
12787	932	15	its	-PRON-	PRP$
12787	932	16	solutions	solution	NNS
12787	932	17	,	,	,
12787	932	18	it	-PRON-	PRP
12787	932	19	is	be	VBZ
12787	932	20	advisable	advisable	JJ
12787	932	21	to	to	TO
12787	932	22	standardize	standardize	VB
12787	932	23	them	-PRON-	PRP
12787	932	24	against	against	IN
12787	932	25	substances	substance	NNS
12787	932	26	of	of	IN
12787	932	27	known	know	VBN
12787	932	28	value	value	NN
12787	932	29	.	.	.
12787	933	1	Those	those	DT
12787	933	2	in	in	IN
12787	933	3	most	most	RBS
12787	933	4	common	common	JJ
12787	933	5	use	use	NN
12787	933	6	are	be	VBP
12787	933	7	iron	iron	NN
12787	933	8	wire	wire	NN
12787	933	9	,	,	,
12787	933	10	ferrous	ferrous	JJ
12787	933	11	ammonium	ammonium	NN
12787	933	12	sulphate	sulphate	NN
12787	933	13	,	,	,
12787	933	14	sodium	sodium	NN
12787	933	15	oxalate	oxalate	NN
12787	933	16	,	,	,
12787	933	17	oxalic	oxalic	JJ
12787	933	18	acid	acid	NN
12787	933	19	,	,	,
12787	933	20	and	and	CC
12787	933	21	some	some	DT
12787	933	22	other	other	JJ
12787	933	23	derivatives	derivative	NNS
12787	933	24	of	of	IN
12787	933	25	oxalic	oxalic	JJ
12787	933	26	acid	acid	NN
12787	933	27	.	.	.
12787	934	1	With	with	IN
12787	934	2	the	the	DT
12787	934	3	exception	exception	NN
12787	934	4	of	of	IN
12787	934	5	sodium	sodium	NN
12787	934	6	oxalate	oxalate	NN
12787	934	7	,	,	,
12787	934	8	these	these	DT
12787	934	9	all	all	DT
12787	934	10	contain	contain	VBP
12787	934	11	water	water	NN
12787	934	12	of	of	IN
12787	934	13	crystallization	crystallization	NN
12787	934	14	which	which	WDT
12787	934	15	may	may	MD
12787	934	16	be	be	VB
12787	934	17	lost	lose	VBN
12787	934	18	on	on	IN
12787	934	19	standing	stand	VBG
12787	934	20	.	.	.
12787	935	1	They	-PRON-	PRP
12787	935	2	should	should	MD
12787	935	3	,	,	,
12787	935	4	therefore	therefore	RB
12787	935	5	,	,	,
12787	935	6	be	be	VB
12787	935	7	freshly	freshly	RB
12787	935	8	prepared	prepare	VBN
12787	935	9	,	,	,
12787	935	10	and	and	CC
12787	935	11	with	with	IN
12787	935	12	great	great	JJ
12787	935	13	care	care	NN
12787	935	14	.	.	.
12787	936	1	At	at	IN
12787	936	2	present	present	JJ
12787	936	3	,	,	,
12787	936	4	sodium	sodium	NN
12787	936	5	oxalate	oxalate	NN
12787	936	6	is	be	VBZ
12787	936	7	considered	consider	VBN
12787	936	8	to	to	TO
12787	936	9	be	be	VB
12787	936	10	one	one	CD
12787	936	11	of	of	IN
12787	936	12	the	the	DT
12787	936	13	most	most	RBS
12787	936	14	satisfactory	satisfactory	JJ
12787	936	15	standards	standard	NNS
12787	936	16	.	.	.
12787	937	1	!	!	.
12787	937	2	Method	Method	NNP
12787	937	3	A	A	NNP
12787	937	4	!	!	.
12787	938	1	!	!	.
12787	938	2	Iron	Iron	NNP
12787	938	3	Standards	Standards	NNPS
12787	938	4	!	!	.
12787	939	1	The	the	DT
12787	939	2	standardization	standardization	NN
12787	939	3	processes	process	VBZ
12787	939	4	employed	employ	VBN
12787	939	5	when	when	WRB
12787	939	6	iron	iron	NN
12787	939	7	or	or	CC
12787	939	8	its	-PRON-	PRP$
12787	939	9	compounds	compound	NNS
12787	939	10	are	be	VBP
12787	939	11	selected	select	VBN
12787	939	12	as	as	IN
12787	939	13	standards	standard	NNS
12787	939	14	differ	differ	VBP
12787	939	15	from	from	IN
12787	939	16	those	those	DT
12787	939	17	applicable	applicable	JJ
12787	939	18	in	in	IN
12787	939	19	connection	connection	NN
12787	939	20	with	with	IN
12787	939	21	oxalate	oxalate	JJ
12787	939	22	standards	standard	NNS
12787	939	23	.	.	.
12787	940	1	The	the	DT
12787	940	2	procedure	procedure	NN
12787	940	3	which	which	WDT
12787	940	4	immediately	immediately	RB
12787	940	5	follows	follow	VBZ
12787	940	6	is	be	VBZ
12787	940	7	that	that	IN
12787	940	8	in	in	IN
12787	940	9	use	use	NN
12787	940	10	with	with	IN
12787	940	11	iron	iron	NN
12787	940	12	standards	standard	NNS
12787	940	13	.	.	.
12787	941	1	As	as	IN
12787	941	2	in	in	IN
12787	941	3	the	the	DT
12787	941	4	case	case	NN
12787	941	5	of	of	IN
12787	941	6	the	the	DT
12787	941	7	bichromate	bichromate	JJ
12787	941	8	process	process	NN
12787	941	9	,	,	,
12787	941	10	it	-PRON-	PRP
12787	941	11	is	be	VBZ
12787	941	12	necessary	necessary	JJ
12787	941	13	to	to	TO
12787	941	14	reduce	reduce	VB
12787	941	15	the	the	DT
12787	941	16	iron	iron	NN
12787	941	17	completely	completely	RB
12787	941	18	to	to	IN
12787	941	19	the	the	DT
12787	941	20	ferrous	ferrous	JJ
12787	941	21	condition	condition	NN
12787	941	22	before	before	IN
12787	941	23	titration	titration	NN
12787	941	24	.	.	.
12787	942	1	The	the	DT
12787	942	2	reducing	reduce	VBG
12787	942	3	agents	agent	NNS
12787	942	4	available	available	JJ
12787	942	5	are	be	VBP
12787	942	6	zinc	zinc	NN
12787	942	7	,	,	,
12787	942	8	sulphurous	sulphurous	JJ
12787	942	9	acid	acid	NN
12787	942	10	,	,	,
12787	942	11	or	or	CC
12787	942	12	sulphureted	sulphurete	VBN
12787	942	13	hydrogen	hydrogen	NN
12787	942	14	.	.	.
12787	943	1	Stannous	stannous	JJ
12787	943	2	chloride	chloride	NN
12787	943	3	may	may	MD
12787	943	4	also	also	RB
12787	943	5	be	be	VB
12787	943	6	used	use	VBN
12787	943	7	when	when	WRB
12787	943	8	the	the	DT
12787	943	9	titration	titration	NN
12787	943	10	is	be	VBZ
12787	943	11	made	make	VBN
12787	943	12	in	in	IN
12787	943	13	the	the	DT
12787	943	14	presence	presence	NN
12787	943	15	of	of	IN
12787	943	16	hydrochloric	hydrochloric	JJ
12787	943	17	acid	acid	NN
12787	943	18	.	.	.
12787	944	1	Since	since	IN
12787	944	2	the	the	DT
12787	944	3	excess	excess	NN
12787	944	4	of	of	IN
12787	944	5	both	both	CC
12787	944	6	the	the	DT
12787	944	7	gaseous	gaseous	JJ
12787	944	8	reducing	reduce	VBG
12787	944	9	agents	agent	NNS
12787	944	10	can	can	MD
12787	944	11	only	only	RB
12787	944	12	be	be	VB
12787	944	13	expelled	expel	VBN
12787	944	14	by	by	IN
12787	944	15	boiling	boil	VBG
12787	944	16	,	,	,
12787	944	17	with	with	IN
12787	944	18	consequent	consequent	JJ
12787	944	19	uncertainty	uncertainty	NN
12787	944	20	regarding	regard	VBG
12787	944	21	both	both	CC
12787	944	22	the	the	DT
12787	944	23	removal	removal	NN
12787	944	24	of	of	IN
12787	944	25	the	the	DT
12787	944	26	excess	excess	NN
12787	944	27	and	and	CC
12787	944	28	the	the	DT
12787	944	29	reoxidation	reoxidation	NN
12787	944	30	of	of	IN
12787	944	31	the	the	DT
12787	944	32	iron	iron	NN
12787	944	33	,	,	,
12787	944	34	zinc	zinc	NN
12787	944	35	or	or	CC
12787	944	36	stannous	stannous	JJ
12787	944	37	chlorides	chloride	NNS
12787	944	38	are	be	VBP
12787	944	39	the	the	DT
12787	944	40	most	most	RBS
12787	944	41	satisfactory	satisfactory	JJ
12787	944	42	agents	agent	NNS
12787	944	43	.	.	.
12787	945	1	For	for	IN
12787	945	2	prompt	prompt	JJ
12787	945	3	and	and	CC
12787	945	4	complete	complete	JJ
12787	945	5	reduction	reduction	NN
12787	945	6	it	-PRON-	PRP
12787	945	7	is	be	VBZ
12787	945	8	essential	essential	JJ
12787	945	9	that	that	IN
12787	945	10	the	the	DT
12787	945	11	iron	iron	NN
12787	945	12	solution	solution	NN
12787	945	13	should	should	MD
12787	945	14	be	be	VB
12787	945	15	brought	bring	VBN
12787	945	16	into	into	IN
12787	945	17	ultimate	ultimate	JJ
12787	945	18	contact	contact	NN
12787	945	19	with	with	IN
12787	945	20	the	the	DT
12787	945	21	zinc	zinc	NN
12787	945	22	.	.	.
12787	946	1	This	this	DT
12787	946	2	is	be	VBZ
12787	946	3	brought	bring	VBN
12787	946	4	about	about	RP
12787	946	5	by	by	IN
12787	946	6	the	the	DT
12787	946	7	use	use	NN
12787	946	8	of	of	IN
12787	946	9	a	a	DT
12787	946	10	modified	modify	VBN
12787	946	11	Jones	Jones	NNP
12787	946	12	reductor	reductor	NN
12787	946	13	,	,	,
12787	946	14	as	as	IN
12787	946	15	shown	show	VBN
12787	946	16	in	in	IN
12787	946	17	Figure	Figure	NNP
12787	946	18	1	1	CD
12787	946	19	.	.	.
12787	947	1	This	this	DT
12787	947	2	reductor	reductor	NN
12787	947	3	is	be	VBZ
12787	947	4	a	a	DT
12787	947	5	standard	standard	JJ
12787	947	6	apparatus	apparatus	NN
12787	947	7	and	and	CC
12787	947	8	is	be	VBZ
12787	947	9	used	use	VBN
12787	947	10	in	in	IN
12787	947	11	other	other	JJ
12787	947	12	quantitative	quantitative	JJ
12787	947	13	processes	process	NNS
12787	947	14	.	.	.
12787	948	1	[	[	-LRB-
12787	948	2	Illustration	illustration	NN
12787	948	3	:	:	:
12787	948	4	Fig	Fig	NNP
12787	948	5	.	.	.
12787	949	1	1	1	LS
12787	949	2	]	]	-RRB-
12787	949	3	The	the	DT
12787	949	4	tube	tube	NN
12787	949	5	A	A	NNP
12787	949	6	has	have	VBZ
12787	949	7	an	an	DT
12787	949	8	inside	inside	JJ
12787	949	9	diameter	diameter	NN
12787	949	10	of	of	IN
12787	949	11	18	18	CD
12787	949	12	mm	mm	NNS
12787	949	13	.	.	.
12787	950	1	and	and	CC
12787	950	2	is	be	VBZ
12787	950	3	300	300	CD
12787	950	4	mm	mm	CD
12787	950	5	.	.	.
12787	951	1	long	long	RB
12787	951	2	;	;	:
12787	951	3	the	the	DT
12787	951	4	small	small	JJ
12787	951	5	tube	tube	NN
12787	951	6	has	have	VBZ
12787	951	7	an	an	DT
12787	951	8	inside	inside	JJ
12787	951	9	diameter	diameter	NN
12787	951	10	of	of	IN
12787	951	11	6	6	CD
12787	951	12	mm	mm	NNS
12787	951	13	.	.	.
12787	952	1	and	and	CC
12787	952	2	extends	extend	VBZ
12787	952	3	100	100	CD
12787	952	4	mm	mm	CD
12787	952	5	.	.	.
12787	953	1	below	below	IN
12787	953	2	the	the	DT
12787	953	3	stopcock	stopcock	NN
12787	953	4	.	.	.
12787	954	1	At	at	IN
12787	954	2	the	the	DT
12787	954	3	base	base	NN
12787	954	4	of	of	IN
12787	954	5	the	the	DT
12787	954	6	tube	tube	NN
12787	954	7	A	A	NNP
12787	954	8	are	be	VBP
12787	954	9	placed	place	VBN
12787	954	10	some	some	DT
12787	954	11	pieces	piece	NNS
12787	954	12	of	of	IN
12787	954	13	broken	break	VBN
12787	954	14	glass	glass	NN
12787	954	15	or	or	CC
12787	954	16	porcelain	porcelain	NN
12787	954	17	,	,	,
12787	954	18	covered	cover	VBN
12787	954	19	by	by	IN
12787	954	20	a	a	DT
12787	954	21	plug	plug	NN
12787	954	22	of	of	IN
12787	954	23	glass	glass	NN
12787	954	24	wool	wool	NN
12787	954	25	about	about	RB
12787	954	26	8	8	CD
12787	954	27	mm	mm	CD
12787	954	28	.	.	.
12787	955	1	thick	thick	JJ
12787	955	2	,	,	,
12787	955	3	and	and	CC
12787	955	4	upon	upon	IN
12787	955	5	this	this	DT
12787	955	6	is	be	VBZ
12787	955	7	placed	place	VBN
12787	955	8	a	a	DT
12787	955	9	thin	thin	JJ
12787	955	10	layer	layer	NN
12787	955	11	of	of	IN
12787	955	12	asbestos	asbestos	NN
12787	955	13	,	,	,
12787	955	14	such	such	JJ
12787	955	15	as	as	IN
12787	955	16	is	be	VBZ
12787	955	17	used	use	VBN
12787	955	18	for	for	IN
12787	955	19	Gooch	Gooch	NNP
12787	955	20	filters	filter	NNS
12787	955	21	,	,	,
12787	955	22	1	1	CD
12787	955	23	mm	mm	CD
12787	955	24	.	.	.
12787	956	1	thick	thick	JJ
12787	956	2	.	.	.
12787	957	1	The	the	DT
12787	957	2	tube	tube	NN
12787	957	3	is	be	VBZ
12787	957	4	then	then	RB
12787	957	5	filled	fill	VBN
12787	957	6	with	with	IN
12787	957	7	the	the	DT
12787	957	8	amalgamated	amalgamate	VBN
12787	957	9	zinc	zinc	NN
12787	957	10	(	(	-LRB-
12787	957	11	Note	note	NN
12787	957	12	1	1	CD
12787	957	13	)	)	-RRB-
12787	957	14	to	to	IN
12787	957	15	within	within	IN
12787	957	16	50	50	CD
12787	957	17	mm	mm	NNS
12787	957	18	.	.	.
12787	958	1	of	of	IN
12787	958	2	the	the	DT
12787	958	3	top	top	NN
12787	958	4	,	,	,
12787	958	5	and	and	CC
12787	958	6	on	on	IN
12787	958	7	the	the	DT
12787	958	8	zinc	zinc	NN
12787	958	9	is	be	VBZ
12787	958	10	placed	place	VBN
12787	958	11	a	a	DT
12787	958	12	plug	plug	NN
12787	958	13	of	of	IN
12787	958	14	glass	glass	NN
12787	958	15	wool	wool	NN
12787	958	16	.	.	.
12787	959	1	If	if	IN
12787	959	2	the	the	DT
12787	959	3	top	top	NN
12787	959	4	of	of	IN
12787	959	5	the	the	DT
12787	959	6	tube	tube	NN
12787	959	7	is	be	VBZ
12787	959	8	not	not	RB
12787	959	9	already	already	RB
12787	959	10	shaped	shape	VBN
12787	959	11	like	like	IN
12787	959	12	the	the	DT
12787	959	13	mouth	mouth	NN
12787	959	14	of	of	IN
12787	959	15	a	a	DT
12787	959	16	thistle	thistle	JJ
12787	959	17	-	-	HYPH
12787	959	18	tube	tube	NN
12787	959	19	(	(	-LRB-
12787	959	20	B	B	NNP
12787	959	21	)	)	-RRB-
12787	959	22	,	,	,
12787	959	23	a	a	DT
12787	959	24	60	60	CD
12787	959	25	mm	mm	NN
12787	959	26	.	.	.
12787	960	1	funnel	funnel	NNP
12787	960	2	is	be	VBZ
12787	960	3	fitted	fit	VBN
12787	960	4	into	into	IN
12787	960	5	the	the	DT
12787	960	6	tube	tube	NN
12787	960	7	with	with	IN
12787	960	8	a	a	DT
12787	960	9	rubber	rubber	NN
12787	960	10	stopper	stopper	NN
12787	960	11	and	and	CC
12787	960	12	the	the	DT
12787	960	13	reductor	reductor	NN
12787	960	14	is	be	VBZ
12787	960	15	connected	connect	VBN
12787	960	16	with	with	IN
12787	960	17	a	a	DT
12787	960	18	suction	suction	NN
12787	960	19	bottle	bottle	NN
12787	960	20	,	,	,
12787	960	21	F.	F.	NNP
12787	960	22	The	the	DT
12787	960	23	bottle	bottle	NN
12787	960	24	D	d	NN
12787	960	25	is	be	VBZ
12787	960	26	a	a	DT
12787	960	27	safety	safety	NN
12787	960	28	bottle	bottle	NN
12787	960	29	to	to	TO
12787	960	30	prevent	prevent	VB
12787	960	31	contamination	contamination	NN
12787	960	32	of	of	IN
12787	960	33	the	the	DT
12787	960	34	solution	solution	NN
12787	960	35	by	by	IN
12787	960	36	water	water	NN
12787	960	37	from	from	IN
12787	960	38	the	the	DT
12787	960	39	pump	pump	NN
12787	960	40	.	.	.
12787	961	1	After	after	IN
12787	961	2	preparation	preparation	NN
12787	961	3	for	for	IN
12787	961	4	use	use	NN
12787	961	5	,	,	,
12787	961	6	or	or	CC
12787	961	7	when	when	WRB
12787	961	8	left	leave	VBD
12787	961	9	standing	standing	NN
12787	961	10	,	,	,
12787	961	11	the	the	DT
12787	961	12	tube	tube	NN
12787	961	13	A	A	NNP
12787	961	14	should	should	MD
12787	961	15	be	be	VB
12787	961	16	filled	fill	VBN
12787	961	17	with	with	IN
12787	961	18	water	water	NN
12787	961	19	,	,	,
12787	961	20	to	to	TO
12787	961	21	prevent	prevent	VB
12787	961	22	clogging	clogging	NN
12787	961	23	of	of	IN
12787	961	24	the	the	DT
12787	961	25	zinc	zinc	NN
12787	961	26	.	.	.
12787	962	1	[	[	-LRB-
12787	962	2	Note	note	NN
12787	962	3	1	1	CD
12787	962	4	:	:	:
12787	962	5	The	the	DT
12787	962	6	use	use	NN
12787	962	7	of	of	IN
12787	962	8	fine	fine	JJ
12787	962	9	zinc	zinc	NN
12787	962	10	in	in	IN
12787	962	11	the	the	DT
12787	962	12	reductor	reductor	NN
12787	962	13	is	be	VBZ
12787	962	14	not	not	RB
12787	962	15	necessary	necessary	JJ
12787	962	16	and	and	CC
12787	962	17	tends	tend	VBZ
12787	962	18	to	to	TO
12787	962	19	clog	clog	VB
12787	962	20	the	the	DT
12787	962	21	tube	tube	NN
12787	962	22	.	.	.
12787	963	1	Particles	particle	NNS
12787	963	2	which	which	WDT
12787	963	3	will	will	MD
12787	963	4	pass	pass	VB
12787	963	5	a	a	DT
12787	963	6	10-mesh	10-mesh	CD
12787	963	7	sieve	sieve	NN
12787	963	8	,	,	,
12787	963	9	but	but	CC
12787	963	10	are	be	VBP
12787	963	11	retained	retain	VBN
12787	963	12	by	by	IN
12787	963	13	one	one	CD
12787	963	14	of	of	IN
12787	963	15	20	20	CD
12787	963	16	meshes	mesh	NNS
12787	963	17	to	to	IN
12787	963	18	the	the	DT
12787	963	19	inch	inch	NN
12787	963	20	,	,	,
12787	963	21	are	be	VBP
12787	963	22	most	most	RBS
12787	963	23	satisfactory	satisfactory	JJ
12787	963	24	.	.	.
12787	964	1	The	the	DT
12787	964	2	zinc	zinc	NN
12787	964	3	can	can	MD
12787	964	4	be	be	VB
12787	964	5	amalgamated	amalgamate	VBN
12787	964	6	by	by	IN
12787	964	7	stirring	stir	VBG
12787	964	8	or	or	CC
12787	964	9	shaking	shake	VBG
12787	964	10	it	-PRON-	PRP
12787	964	11	in	in	IN
12787	964	12	a	a	DT
12787	964	13	mixture	mixture	NN
12787	964	14	of	of	IN
12787	964	15	25	25	CD
12787	964	16	cc	cc	NN
12787	964	17	.	.	.
12787	965	1	of	of	IN
12787	965	2	normal	normal	JJ
12787	965	3	mercuric	mercuric	JJ
12787	965	4	chloride	chloride	NN
12787	965	5	solution	solution	NN
12787	965	6	,	,	,
12787	965	7	25	25	CD
12787	965	8	cc	cc	NN
12787	965	9	.	.	.
12787	966	1	of	of	IN
12787	966	2	hydrochloric	hydrochloric	NNP
12787	966	3	acid	acid	NN
12787	966	4	(	(	-LRB-
12787	966	5	sp	sp	NNP
12787	966	6	.	.	.
12787	967	1	gr	gr	NNP
12787	967	2	.	.	.
12787	968	1	1.12	1.12	CD
12787	968	2	)	)	-RRB-
12787	968	3	and	and	CC
12787	968	4	250	250	CD
12787	968	5	cc	cc	NN
12787	968	6	.	.	.
12787	969	1	of	of	IN
12787	969	2	water	water	NN
12787	969	3	for	for	IN
12787	969	4	two	two	CD
12787	969	5	minutes	minute	NNS
12787	969	6	.	.	.
12787	970	1	The	the	DT
12787	970	2	solution	solution	NN
12787	970	3	should	should	MD
12787	970	4	then	then	RB
12787	970	5	be	be	VB
12787	970	6	poured	pour	VBN
12787	970	7	off	off	RP
12787	970	8	and	and	CC
12787	970	9	the	the	DT
12787	970	10	zinc	zinc	NN
12787	970	11	thoroughly	thoroughly	RB
12787	970	12	washed	wash	VBD
12787	970	13	.	.	.
12787	971	1	It	-PRON-	PRP
12787	971	2	is	be	VBZ
12787	971	3	then	then	RB
12787	971	4	ready	ready	JJ
12787	971	5	for	for	IN
12787	971	6	bottling	bottling	NN
12787	971	7	and	and	CC
12787	971	8	preservation	preservation	NN
12787	971	9	under	under	IN
12787	971	10	water	water	NN
12787	971	11	.	.	.
12787	972	1	A	a	DT
12787	972	2	small	small	JJ
12787	972	3	quantity	quantity	NN
12787	972	4	of	of	IN
12787	972	5	glass	glass	NN
12787	972	6	wool	wool	NN
12787	972	7	is	be	VBZ
12787	972	8	placed	place	VBN
12787	972	9	in	in	IN
12787	972	10	the	the	DT
12787	972	11	neck	neck	NN
12787	972	12	of	of	IN
12787	972	13	the	the	DT
12787	972	14	funnel	funnel	NN
12787	972	15	to	to	TO
12787	972	16	hold	hold	VB
12787	972	17	back	back	RP
12787	972	18	foreign	foreign	JJ
12787	972	19	material	material	NN
12787	972	20	when	when	WRB
12787	972	21	the	the	DT
12787	972	22	reductor	reductor	NN
12787	972	23	is	be	VBZ
12787	972	24	in	in	IN
12787	972	25	use	use	NN
12787	972	26	.	.	.
12787	972	27	]	]	-RRB-
12787	973	1	STANDARDIZATION	STANDARDIZATION	VBN
12787	973	2	PROCEDURE.--Weigh	procedure.--weigh	VBP
12787	973	3	out	out	RP
12787	973	4	into	into	IN
12787	973	5	Erlenmeyer	Erlenmeyer	NNP
12787	973	6	flasks	flask	NNS
12787	973	7	two	two	CD
12787	973	8	portions	portion	NNS
12787	973	9	of	of	IN
12787	973	10	iron	iron	NN
12787	973	11	wire	wire	NN
12787	973	12	of	of	IN
12787	973	13	about	about	RB
12787	973	14	0.25	0.25	CD
12787	973	15	gram	gram	NN
12787	973	16	each	each	DT
12787	973	17	.	.	.
12787	974	1	Dissolve	dissolve	VB
12787	974	2	these	these	DT
12787	974	3	in	in	IN
12787	974	4	hot	hot	JJ
12787	974	5	dilute	dilute	NN
12787	974	6	sulphuric	sulphuric	NNP
12787	974	7	acid	acid	NNP
12787	974	8	(	(	-LRB-
12787	974	9	5	5	CD
12787	974	10	cc	cc	NN
12787	974	11	.	.	.
12787	975	1	of	of	IN
12787	975	2	concentrated	concentrated	JJ
12787	975	3	acid	acid	NNP
12787	975	4	and	and	CC
12787	975	5	100	100	CD
12787	975	6	cc	cc	NN
12787	975	7	.	.	.
12787	976	1	of	of	IN
12787	976	2	water	water	NN
12787	976	3	)	)	-RRB-
12787	976	4	,	,	,
12787	976	5	using	use	VBG
12787	976	6	a	a	DT
12787	976	7	covered	covered	JJ
12787	976	8	flask	flask	NN
12787	976	9	to	to	TO
12787	976	10	avoid	avoid	VB
12787	976	11	loss	loss	NN
12787	976	12	by	by	IN
12787	976	13	spattering	spatter	VBG
12787	976	14	.	.	.
12787	977	1	Boil	boil	VB
12787	977	2	the	the	DT
12787	977	3	solution	solution	NN
12787	977	4	for	for	IN
12787	977	5	two	two	CD
12787	977	6	or	or	CC
12787	977	7	three	three	CD
12787	977	8	minutes	minute	NNS
12787	977	9	after	after	IN
12787	977	10	the	the	DT
12787	977	11	iron	iron	NN
12787	977	12	has	have	VBZ
12787	977	13	dissolved	dissolve	VBN
12787	977	14	to	to	TO
12787	977	15	remove	remove	VB
12787	977	16	any	any	DT
12787	977	17	volatile	volatile	JJ
12787	977	18	hydrocarbons	hydrocarbon	NNS
12787	977	19	.	.	.
12787	978	1	Meanwhile	meanwhile	RB
12787	978	2	prepare	prepare	VBP
12787	978	3	the	the	DT
12787	978	4	reductor	reductor	NN
12787	978	5	for	for	IN
12787	978	6	use	use	NN
12787	978	7	as	as	IN
12787	978	8	follows	follow	VBZ
12787	978	9	:	:	:
12787	978	10	Connect	connect	VB
12787	978	11	the	the	DT
12787	978	12	vacuum	vacuum	NN
12787	978	13	bottle	bottle	NN
12787	978	14	with	with	IN
12787	978	15	the	the	DT
12787	978	16	suction	suction	NN
12787	978	17	pump	pump	NN
12787	978	18	and	and	CC
12787	978	19	pour	pour	VB
12787	978	20	into	into	IN
12787	978	21	the	the	DT
12787	978	22	funnel	funnel	NN
12787	978	23	at	at	IN
12787	978	24	the	the	DT
12787	978	25	top	top	JJ
12787	978	26	warm	warm	NNP
12787	978	27	,	,	,
12787	978	28	dilute	dilute	NNP
12787	978	29	sulphuric	sulphuric	NNP
12787	978	30	acid	acid	NNP
12787	978	31	,	,	,
12787	978	32	prepared	prepare	VBN
12787	978	33	by	by	IN
12787	978	34	adding	add	VBG
12787	978	35	5	5	CD
12787	978	36	cc	cc	NN
12787	978	37	.	.	.
12787	979	1	of	of	IN
12787	979	2	concentrated	concentrated	JJ
12787	979	3	sulphuric	sulphuric	NNP
12787	979	4	acid	acid	NN
12787	979	5	to	to	IN
12787	979	6	100	100	CD
12787	979	7	cc	cc	NN
12787	979	8	.	.	.
12787	980	1	of	of	IN
12787	980	2	distilled	distilled	JJ
12787	980	3	water	water	NN
12787	980	4	.	.	.
12787	981	1	See	see	VB
12787	981	2	that	that	IN
12787	981	3	the	the	DT
12787	981	4	stopcock	stopcock	NN
12787	981	5	(	(	-LRB-
12787	981	6	C	C	NNP
12787	981	7	)	)	-RRB-
12787	981	8	is	be	VBZ
12787	981	9	open	open	JJ
12787	981	10	far	far	RB
12787	981	11	enough	enough	RB
12787	981	12	to	to	TO
12787	981	13	allow	allow	VB
12787	981	14	the	the	DT
12787	981	15	acid	acid	NN
12787	981	16	to	to	TO
12787	981	17	run	run	VB
12787	981	18	through	through	RB
12787	981	19	slowly	slowly	RB
12787	981	20	.	.	.
12787	982	1	Continue	continue	VB
12787	982	2	to	to	TO
12787	982	3	pour	pour	VB
12787	982	4	in	in	IN
12787	982	5	acid	acid	NN
12787	982	6	until	until	IN
12787	982	7	200	200	CD
12787	982	8	cc	cc	NN
12787	982	9	.	.	.
12787	983	1	have	have	VBP
12787	983	2	passed	pass	VBN
12787	983	3	through	through	RP
12787	983	4	,	,	,
12787	983	5	then	then	RB
12787	983	6	close	close	VB
12787	983	7	the	the	DT
12787	983	8	stopcock	stopcock	NN
12787	983	9	!	!	.
12787	983	10	while	while	IN
12787	983	11	a	a	DT
12787	983	12	small	small	JJ
12787	983	13	quantity	quantity	NN
12787	983	14	of	of	IN
12787	983	15	liquid	liquid	NN
12787	983	16	is	be	VBZ
12787	983	17	still	still	RB
12787	983	18	left	leave	VBN
12787	983	19	in	in	IN
12787	983	20	the	the	DT
12787	983	21	funnel	funnel	NN
12787	983	22	!	!	.
12787	983	23	.	.	.
12787	984	1	Discard	discard	VB
12787	984	2	the	the	DT
12787	984	3	filtrate	filtrate	JJ
12787	984	4	,	,	,
12787	984	5	and	and	CC
12787	984	6	again	again	RB
12787	984	7	pass	pass	VB
12787	984	8	through	through	RP
12787	984	9	100	100	CD
12787	984	10	cc	cc	NN
12787	984	11	.	.	.
12787	985	1	of	of	IN
12787	985	2	the	the	DT
12787	985	3	warm	warm	JJ
12787	985	4	,	,	,
12787	985	5	dilute	dilute	NN
12787	985	6	acid	acid	NN
12787	985	7	.	.	.
12787	986	1	Test	test	VB
12787	986	2	this	this	DT
12787	986	3	with	with	IN
12787	986	4	the	the	DT
12787	986	5	permanganate	permanganate	JJ
12787	986	6	solution	solution	NN
12787	986	7	.	.	.
12787	987	1	A	a	DT
12787	987	2	single	single	JJ
12787	987	3	drop	drop	NN
12787	987	4	should	should	MD
12787	987	5	color	color	VB
12787	987	6	it	-PRON-	PRP
12787	987	7	permanently	permanently	RB
12787	987	8	;	;	:
12787	987	9	if	if	IN
12787	987	10	it	-PRON-	PRP
12787	987	11	does	do	VBZ
12787	987	12	not	not	RB
12787	987	13	,	,	,
12787	987	14	repeat	repeat	VB
12787	987	15	the	the	DT
12787	987	16	washing	washing	NN
12787	987	17	,	,	,
12787	987	18	until	until	IN
12787	987	19	assured	assure	VBD
12787	987	20	that	that	IN
12787	987	21	the	the	DT
12787	987	22	zinc	zinc	NN
12787	987	23	is	be	VBZ
12787	987	24	not	not	RB
12787	987	25	contaminated	contaminate	VBN
12787	987	26	with	with	IN
12787	987	27	appreciable	appreciable	JJ
12787	987	28	quantities	quantity	NNS
12787	987	29	of	of	IN
12787	987	30	reducing	reduce	VBG
12787	987	31	substances	substance	NNS
12787	987	32	.	.	.
12787	988	1	Be	be	VB
12787	988	2	sure	sure	JJ
12787	988	3	that	that	IN
12787	988	4	no	no	DT
12787	988	5	air	air	NN
12787	988	6	enters	enter	VBZ
12787	988	7	the	the	DT
12787	988	8	reductor	reductor	NN
12787	988	9	(	(	-LRB-
12787	988	10	Note	note	NN
12787	988	11	1	1	CD
12787	988	12	)	)	-RRB-
12787	988	13	.	.	.
12787	989	1	Pour	pour	VB
12787	989	2	the	the	DT
12787	989	3	iron	iron	NN
12787	989	4	solution	solution	NN
12787	989	5	while	while	IN
12787	989	6	hot	hot	JJ
12787	989	7	(	(	-LRB-
12787	989	8	but	but	CC
12787	989	9	not	not	RB
12787	989	10	boiling	boil	VBG
12787	989	11	)	)	-RRB-
12787	989	12	through	through	IN
12787	989	13	the	the	DT
12787	989	14	reductor	reductor	NN
12787	989	15	at	at	IN
12787	989	16	a	a	DT
12787	989	17	rate	rate	NN
12787	989	18	not	not	RB
12787	989	19	exceeding	exceed	VBG
12787	989	20	50	50	CD
12787	989	21	cc	cc	NN
12787	989	22	.	.	.
12787	990	1	per	per	IN
12787	990	2	minute	minute	NN
12787	990	3	(	(	-LRB-
12787	990	4	Notes	note	NNS
12787	990	5	2	2	CD
12787	990	6	and	and	CC
12787	990	7	3	3	CD
12787	990	8	)	)	-RRB-
12787	990	9	.	.	.
12787	991	1	Wash	wash	VB
12787	991	2	out	out	RP
12787	991	3	the	the	DT
12787	991	4	beaker	beaker	NN
12787	991	5	with	with	IN
12787	991	6	dilute	dilute	NNP
12787	991	7	sulphuric	sulphuric	NNP
12787	991	8	acid	acid	NNP
12787	991	9	,	,	,
12787	991	10	and	and	CC
12787	991	11	follow	follow	VB
12787	991	12	the	the	DT
12787	991	13	iron	iron	NN
12787	991	14	solution	solution	NN
12787	991	15	without	without	IN
12787	991	16	interruption	interruption	NN
12787	991	17	with	with	IN
12787	991	18	175	175	CD
12787	991	19	cc	cc	NN
12787	991	20	.	.	.
12787	992	1	of	of	IN
12787	992	2	the	the	DT
12787	992	3	warm	warm	JJ
12787	992	4	acid	acid	NN
12787	992	5	and	and	CC
12787	992	6	finally	finally	RB
12787	992	7	with	with	IN
12787	992	8	75	75	CD
12787	992	9	cc	cc	NN
12787	992	10	.	.	.
12787	993	1	of	of	IN
12787	993	2	distilled	distil	VBN
12787	993	3	water	water	NN
12787	993	4	,	,	,
12787	993	5	leaving	leave	VBG
12787	993	6	the	the	DT
12787	993	7	funnel	funnel	NN
12787	993	8	partially	partially	RB
12787	993	9	filled	fill	VBN
12787	993	10	.	.	.
12787	994	1	Remove	remove	VB
12787	994	2	the	the	DT
12787	994	3	filter	filter	NN
12787	994	4	bottle	bottle	NN
12787	994	5	and	and	CC
12787	994	6	cool	cool	VB
12787	994	7	the	the	DT
12787	994	8	solution	solution	NN
12787	994	9	quickly	quickly	RB
12787	994	10	under	under	IN
12787	994	11	the	the	DT
12787	994	12	water	water	NN
12787	994	13	tap	tap	NN
12787	994	14	(	(	-LRB-
12787	994	15	Note	note	NN
12787	994	16	4	4	CD
12787	994	17	)	)	-RRB-
12787	994	18	,	,	,
12787	994	19	avoiding	avoid	VBG
12787	994	20	unnecessary	unnecessary	JJ
12787	994	21	exposure	exposure	NN
12787	994	22	to	to	IN
12787	994	23	the	the	DT
12787	994	24	oxygen	oxygen	NN
12787	994	25	of	of	IN
12787	994	26	the	the	DT
12787	994	27	air	air	NN
12787	994	28	.	.	.
12787	995	1	Add	add	VB
12787	995	2	10	10	CD
12787	995	3	cc	cc	NN
12787	995	4	.	.	.
12787	996	1	of	of	IN
12787	996	2	dilute	dilute	NNP
12787	996	3	sulphuric	sulphuric	NNP
12787	996	4	acid	acid	NNP
12787	996	5	and	and	CC
12787	996	6	titrate	titrate	VB
12787	996	7	to	to	IN
12787	996	8	a	a	DT
12787	996	9	faint	faint	JJ
12787	996	10	pink	pink	NN
12787	996	11	with	with	IN
12787	996	12	the	the	DT
12787	996	13	permanganate	permanganate	JJ
12787	996	14	solution	solution	NN
12787	996	15	,	,	,
12787	996	16	adding	add	VBG
12787	996	17	it	-PRON-	PRP
12787	996	18	directly	directly	RB
12787	996	19	to	to	IN
12787	996	20	the	the	DT
12787	996	21	contents	content	NNS
12787	996	22	of	of	IN
12787	996	23	the	the	DT
12787	996	24	vacuum	vacuum	NN
12787	996	25	flask	flask	NN
12787	996	26	.	.	.
12787	997	1	Should	Should	MD
12787	997	2	the	the	DT
12787	997	3	end	end	NN
12787	997	4	-	-	HYPH
12787	997	5	point	point	NN
12787	997	6	be	be	VB
12787	997	7	overstepped	overstep	VBN
12787	997	8	,	,	,
12787	997	9	the	the	DT
12787	997	10	ferrous	ferrous	JJ
12787	997	11	sulphate	sulphate	NN
12787	997	12	solution	solution	NN
12787	997	13	may	may	MD
12787	997	14	be	be	VB
12787	997	15	added	add	VBN
12787	997	16	.	.	.
12787	998	1	From	from	IN
12787	998	2	the	the	DT
12787	998	3	volume	volume	NN
12787	998	4	of	of	IN
12787	998	5	the	the	DT
12787	998	6	solution	solution	NN
12787	998	7	required	require	VBN
12787	998	8	to	to	TO
12787	998	9	oxidize	oxidize	VB
12787	998	10	the	the	DT
12787	998	11	iron	iron	NN
12787	998	12	in	in	IN
12787	998	13	the	the	DT
12787	998	14	wire	wire	NN
12787	998	15	,	,	,
12787	998	16	calculate	calculate	VB
12787	998	17	the	the	DT
12787	998	18	relation	relation	NN
12787	998	19	to	to	IN
12787	998	20	the	the	DT
12787	998	21	normal	normal	JJ
12787	998	22	of	of	IN
12787	998	23	the	the	DT
12787	998	24	permanganate	permanganate	JJ
12787	998	25	solution	solution	NN
12787	998	26	.	.	.
12787	999	1	The	the	DT
12787	999	2	duplicate	duplicate	JJ
12787	999	3	results	result	NNS
12787	999	4	should	should	MD
12787	999	5	be	be	VB
12787	999	6	concordant	concordant	JJ
12787	999	7	within	within	IN
12787	999	8	two	two	CD
12787	999	9	parts	part	NNS
12787	999	10	in	in	IN
12787	999	11	one	one	CD
12787	999	12	thousand	thousand	CD
12787	999	13	.	.	.
12787	1000	1	[	[	-LRB-
12787	1000	2	Note	note	NN
12787	1000	3	1	1	CD
12787	1000	4	:	:	:
12787	1000	5	The	the	DT
12787	1000	6	funnel	funnel	NN
12787	1000	7	of	of	IN
12787	1000	8	the	the	DT
12787	1000	9	reductor	reductor	NN
12787	1000	10	must	must	MD
12787	1000	11	never	never	RB
12787	1000	12	be	be	VB
12787	1000	13	allowed	allow	VBN
12787	1000	14	to	to	TO
12787	1000	15	empty	empty	JJ
12787	1000	16	.	.	.
12787	1001	1	If	if	IN
12787	1001	2	it	-PRON-	PRP
12787	1001	3	is	be	VBZ
12787	1001	4	left	leave	VBN
12787	1001	5	partially	partially	RB
12787	1001	6	filled	fill	VBN
12787	1001	7	with	with	IN
12787	1001	8	water	water	NN
12787	1001	9	the	the	DT
12787	1001	10	reductor	reductor	NN
12787	1001	11	is	be	VBZ
12787	1001	12	ready	ready	JJ
12787	1001	13	for	for	IN
12787	1001	14	subsequent	subsequent	JJ
12787	1001	15	use	use	NN
12787	1001	16	after	after	IN
12787	1001	17	a	a	DT
12787	1001	18	very	very	RB
12787	1001	19	little	little	JJ
12787	1001	20	washing	washing	NN
12787	1001	21	;	;	:
12787	1001	22	but	but	CC
12787	1001	23	a	a	DT
12787	1001	24	preliminary	preliminary	JJ
12787	1001	25	test	test	NN
12787	1001	26	is	be	VBZ
12787	1001	27	always	always	RB
12787	1001	28	necessary	necessary	JJ
12787	1001	29	to	to	TO
12787	1001	30	safeguard	safeguard	VB
12787	1001	31	against	against	IN
12787	1001	32	error	error	NN
12787	1001	33	.	.	.
12787	1002	1	If	if	IN
12787	1002	2	more	more	JJR
12787	1002	3	than	than	IN
12787	1002	4	a	a	DT
12787	1002	5	small	small	JJ
12787	1002	6	drop	drop	NN
12787	1002	7	of	of	IN
12787	1002	8	permanganate	permanganate	JJ
12787	1002	9	solution	solution	NN
12787	1002	10	is	be	VBZ
12787	1002	11	required	require	VBN
12787	1002	12	to	to	TO
12787	1002	13	color	color	NN
12787	1002	14	100	100	CD
12787	1002	15	cc	cc	NN
12787	1002	16	.	.	.
12787	1003	1	of	of	IN
12787	1003	2	the	the	DT
12787	1003	3	dilute	dilute	NN
12787	1003	4	acid	acid	NN
12787	1003	5	after	after	IN
12787	1003	6	the	the	DT
12787	1003	7	reductor	reductor	NN
12787	1003	8	is	be	VBZ
12787	1003	9	well	well	RB
12787	1003	10	washed	wash	VBN
12787	1003	11	,	,	,
12787	1003	12	an	an	DT
12787	1003	13	allowance	allowance	NN
12787	1003	14	must	must	MD
12787	1003	15	be	be	VB
12787	1003	16	made	make	VBN
12787	1003	17	for	for	IN
12787	1003	18	the	the	DT
12787	1003	19	iron	iron	NN
12787	1003	20	in	in	IN
12787	1003	21	the	the	DT
12787	1003	22	zinc	zinc	NN
12787	1003	23	.	.	.
12787	1004	1	!	!	NFP
12787	1004	2	Great	great	JJ
12787	1004	3	care	care	NN
12787	1004	4	!	!	.
12787	1005	1	must	must	MD
12787	1005	2	be	be	VB
12787	1005	3	used	use	VBN
12787	1005	4	to	to	TO
12787	1005	5	prevent	prevent	VB
12787	1005	6	the	the	DT
12787	1005	7	access	access	NN
12787	1005	8	of	of	IN
12787	1005	9	air	air	NN
12787	1005	10	to	to	IN
12787	1005	11	the	the	DT
12787	1005	12	reductor	reductor	NN
12787	1005	13	after	after	IN
12787	1005	14	it	-PRON-	PRP
12787	1005	15	has	have	VBZ
12787	1005	16	been	be	VBN
12787	1005	17	washed	wash	VBN
12787	1005	18	out	out	RP
12787	1005	19	ready	ready	JJ
12787	1005	20	for	for	IN
12787	1005	21	use	use	NN
12787	1005	22	.	.	.
12787	1006	1	If	if	IN
12787	1006	2	air	air	NN
12787	1006	3	enters	enter	VBZ
12787	1006	4	,	,	,
12787	1006	5	hydrogen	hydrogen	NN
12787	1006	6	peroxide	peroxide	NN
12787	1006	7	forms	form	NNS
12787	1006	8	,	,	,
12787	1006	9	which	which	WDT
12787	1006	10	reacts	react	VBZ
12787	1006	11	with	with	IN
12787	1006	12	the	the	DT
12787	1006	13	permanganate	permanganate	NN
12787	1006	14	,	,	,
12787	1006	15	and	and	CC
12787	1006	16	the	the	DT
12787	1006	17	results	result	NNS
12787	1006	18	are	be	VBP
12787	1006	19	worthless	worthless	JJ
12787	1006	20	.	.	.
12787	1006	21	]	]	-RRB-
12787	1007	1	[	[	-LRB-
12787	1007	2	Note	note	NN
12787	1007	3	2	2	CD
12787	1007	4	:	:	:
12787	1007	5	The	the	DT
12787	1007	6	iron	iron	NN
12787	1007	7	is	be	VBZ
12787	1007	8	reduced	reduce	VBN
12787	1007	9	to	to	IN
12787	1007	10	the	the	DT
12787	1007	11	ferrous	ferrous	JJ
12787	1007	12	condition	condition	NN
12787	1007	13	by	by	IN
12787	1007	14	contact	contact	NN
12787	1007	15	with	with	IN
12787	1007	16	the	the	DT
12787	1007	17	zinc	zinc	NN
12787	1007	18	.	.	.
12787	1008	1	The	the	DT
12787	1008	2	active	active	JJ
12787	1008	3	agent	agent	NN
12787	1008	4	may	may	MD
12787	1008	5	be	be	VB
12787	1008	6	considered	consider	VBN
12787	1008	7	to	to	TO
12787	1008	8	be	be	VB
12787	1008	9	!	!	.
12787	1008	10	nascent	nascent	JJ
12787	1008	11	!	!	.
12787	1009	1	hydrogen	hydrogen	NNP
12787	1009	2	,	,	,
12787	1009	3	and	and	CC
12787	1009	4	it	-PRON-	PRP
12787	1009	5	must	must	MD
12787	1009	6	be	be	VB
12787	1009	7	borne	bear	VBN
12787	1009	8	in	in	IN
12787	1009	9	mind	mind	NN
12787	1009	10	that	that	IN
12787	1009	11	the	the	DT
12787	1009	12	visible	visible	JJ
12787	1009	13	bubbles	bubble	NNS
12787	1009	14	are	be	VBP
12787	1009	15	produced	produce	VBN
12787	1009	16	by	by	IN
12787	1009	17	molecular	molecular	JJ
12787	1009	18	hydrogen	hydrogen	NN
12787	1009	19	,	,	,
12787	1009	20	which	which	WDT
12787	1009	21	is	be	VBZ
12787	1009	22	without	without	IN
12787	1009	23	appreciable	appreciable	JJ
12787	1009	24	effect	effect	NN
12787	1009	25	upon	upon	IN
12787	1009	26	ferric	ferric	JJ
12787	1009	27	iron	iron	NN
12787	1009	28	.	.	.
12787	1010	1	The	the	DT
12787	1010	2	rate	rate	NN
12787	1010	3	at	at	IN
12787	1010	4	which	which	WDT
12787	1010	5	the	the	DT
12787	1010	6	iron	iron	NN
12787	1010	7	solution	solution	NN
12787	1010	8	passes	pass	VBZ
12787	1010	9	through	through	IN
12787	1010	10	the	the	DT
12787	1010	11	zinc	zinc	NN
12787	1010	12	should	should	MD
12787	1010	13	not	not	RB
12787	1010	14	exceed	exceed	VB
12787	1010	15	that	that	DT
12787	1010	16	prescribed	prescribe	VBN
12787	1010	17	,	,	,
12787	1010	18	but	but	CC
12787	1010	19	the	the	DT
12787	1010	20	rate	rate	NN
12787	1010	21	may	may	MD
12787	1010	22	be	be	VB
12787	1010	23	increased	increase	VBN
12787	1010	24	somewhat	somewhat	RB
12787	1010	25	when	when	WRB
12787	1010	26	the	the	DT
12787	1010	27	wash	wash	NN
12787	1010	28	-	-	HYPH
12787	1010	29	water	water	NN
12787	1010	30	is	be	VBZ
12787	1010	31	added	add	VBN
12787	1010	32	.	.	.
12787	1011	1	It	-PRON-	PRP
12787	1011	2	is	be	VBZ
12787	1011	3	well	well	JJ
12787	1011	4	to	to	TO
12787	1011	5	allow	allow	VB
12787	1011	6	the	the	DT
12787	1011	7	iron	iron	NN
12787	1011	8	solution	solution	NN
12787	1011	9	to	to	TO
12787	1011	10	run	run	VB
12787	1011	11	nearly	nearly	RB
12787	1011	12	,	,	,
12787	1011	13	but	but	CC
12787	1011	14	not	not	RB
12787	1011	15	entirely	entirely	RB
12787	1011	16	,	,	,
12787	1011	17	out	out	IN
12787	1011	18	of	of	IN
12787	1011	19	the	the	DT
12787	1011	20	funnel	funnel	NN
12787	1011	21	before	before	IN
12787	1011	22	the	the	DT
12787	1011	23	wash	wash	NN
12787	1011	24	-	-	HYPH
12787	1011	25	water	water	NN
12787	1011	26	is	be	VBZ
12787	1011	27	added	add	VBN
12787	1011	28	.	.	.
12787	1012	1	If	if	IN
12787	1012	2	it	-PRON-	PRP
12787	1012	3	is	be	VBZ
12787	1012	4	necessary	necessary	JJ
12787	1012	5	to	to	TO
12787	1012	6	interrupt	interrupt	VB
12787	1012	7	the	the	DT
12787	1012	8	process	process	NN
12787	1012	9	,	,	,
12787	1012	10	the	the	DT
12787	1012	11	complete	complete	JJ
12787	1012	12	emptying	emptying	NN
12787	1012	13	of	of	IN
12787	1012	14	the	the	DT
12787	1012	15	funnel	funnel	NN
12787	1012	16	can	can	MD
12787	1012	17	always	always	RB
12787	1012	18	be	be	VB
12787	1012	19	avoided	avoid	VBN
12787	1012	20	by	by	IN
12787	1012	21	closing	close	VBG
12787	1012	22	the	the	DT
12787	1012	23	stopcock	stopcock	NN
12787	1012	24	.	.	.
12787	1013	1	It	-PRON-	PRP
12787	1013	2	is	be	VBZ
12787	1013	3	also	also	RB
12787	1013	4	possible	possible	JJ
12787	1013	5	to	to	TO
12787	1013	6	reduce	reduce	VB
12787	1013	7	the	the	DT
12787	1013	8	iron	iron	NN
12787	1013	9	by	by	IN
12787	1013	10	treatment	treatment	NN
12787	1013	11	with	with	IN
12787	1013	12	zinc	zinc	NN
12787	1013	13	in	in	IN
12787	1013	14	a	a	DT
12787	1013	15	flask	flask	NN
12787	1013	16	from	from	IN
12787	1013	17	which	which	WDT
12787	1013	18	air	air	NN
12787	1013	19	is	be	VBZ
12787	1013	20	excluded	exclude	VBN
12787	1013	21	.	.	.
12787	1014	1	The	the	DT
12787	1014	2	zinc	zinc	NN
12787	1014	3	must	must	MD
12787	1014	4	be	be	VB
12787	1014	5	present	present	JJ
12787	1014	6	in	in	IN
12787	1014	7	excess	excess	NN
12787	1014	8	of	of	IN
12787	1014	9	the	the	DT
12787	1014	10	quantity	quantity	NN
12787	1014	11	necessary	necessary	JJ
12787	1014	12	to	to	TO
12787	1014	13	reduce	reduce	VB
12787	1014	14	the	the	DT
12787	1014	15	iron	iron	NN
12787	1014	16	and	and	CC
12787	1014	17	is	be	VBZ
12787	1014	18	finally	finally	RB
12787	1014	19	completely	completely	RB
12787	1014	20	dissolved	dissolve	VBN
12787	1014	21	.	.	.
12787	1015	1	This	this	DT
12787	1015	2	method	method	NN
12787	1015	3	is	be	VBZ
12787	1015	4	,	,	,
12787	1015	5	however	however	RB
12787	1015	6	,	,	,
12787	1015	7	less	less	RBR
12787	1015	8	convenient	convenient	JJ
12787	1015	9	and	and	CC
12787	1015	10	more	more	RBR
12787	1015	11	tedious	tedious	JJ
12787	1015	12	than	than	IN
12787	1015	13	the	the	DT
12787	1015	14	use	use	NN
12787	1015	15	of	of	IN
12787	1015	16	the	the	DT
12787	1015	17	reductor	reductor	NN
12787	1015	18	.	.	.
12787	1015	19	]	]	-RRB-
12787	1016	1	[	[	-LRB-
12787	1016	2	Note	note	NN
12787	1016	3	3	3	CD
12787	1016	4	:	:	:
12787	1016	5	The	the	DT
12787	1016	6	dilute	dilute	NN
12787	1016	7	sulphuric	sulphuric	NNP
12787	1016	8	acid	acid	NN
12787	1016	9	for	for	IN
12787	1016	10	washing	washing	NN
12787	1016	11	must	must	MD
12787	1016	12	be	be	VB
12787	1016	13	warmed	warm	VBN
12787	1016	14	ready	ready	JJ
12787	1016	15	for	for	IN
12787	1016	16	use	use	NN
12787	1016	17	before	before	IN
12787	1016	18	the	the	DT
12787	1016	19	reduction	reduction	NN
12787	1016	20	of	of	IN
12787	1016	21	the	the	DT
12787	1016	22	iron	iron	NN
12787	1016	23	begins	begin	VBZ
12787	1016	24	,	,	,
12787	1016	25	and	and	CC
12787	1016	26	it	-PRON-	PRP
12787	1016	27	is	be	VBZ
12787	1016	28	of	of	IN
12787	1016	29	the	the	DT
12787	1016	30	first	first	JJ
12787	1016	31	importance	importance	NN
12787	1016	32	that	that	IN
12787	1016	33	the	the	DT
12787	1016	34	volume	volume	NN
12787	1016	35	of	of	IN
12787	1016	36	acid	acid	NN
12787	1016	37	and	and	CC
12787	1016	38	of	of	IN
12787	1016	39	wash	wash	NN
12787	1016	40	-	-	HYPH
12787	1016	41	water	water	NN
12787	1016	42	should	should	MD
12787	1016	43	be	be	VB
12787	1016	44	measured	measure	VBN
12787	1016	45	,	,	,
12787	1016	46	and	and	CC
12787	1016	47	the	the	DT
12787	1016	48	volume	volume	NN
12787	1016	49	used	use	VBN
12787	1016	50	should	should	MD
12787	1016	51	always	always	RB
12787	1016	52	be	be	VB
12787	1016	53	the	the	DT
12787	1016	54	same	same	JJ
12787	1016	55	in	in	IN
12787	1016	56	the	the	DT
12787	1016	57	standardizations	standardization	NNS
12787	1016	58	and	and	CC
12787	1016	59	all	all	DT
12787	1016	60	subsequent	subsequent	JJ
12787	1016	61	analyses	analysis	NNS
12787	1016	62	.	.	.
12787	1016	63	]	]	-RRB-
12787	1017	1	[	[	-LRB-
12787	1017	2	Note	note	NN
12787	1017	3	4	4	CD
12787	1017	4	:	:	:
12787	1017	5	The	the	DT
12787	1017	6	end	end	NN
12787	1017	7	-	-	HYPH
12787	1017	8	point	point	NN
12787	1017	9	is	be	VBZ
12787	1017	10	more	more	RBR
12787	1017	11	permanent	permanent	JJ
12787	1017	12	in	in	IN
12787	1017	13	cold	cold	JJ
12787	1017	14	than	than	IN
12787	1017	15	hot	hot	JJ
12787	1017	16	solutions	solution	NNS
12787	1017	17	,	,	,
12787	1017	18	possibly	possibly	RB
12787	1017	19	because	because	IN
12787	1017	20	of	of	IN
12787	1017	21	a	a	DT
12787	1017	22	slight	slight	JJ
12787	1017	23	action	action	NN
12787	1017	24	of	of	IN
12787	1017	25	the	the	DT
12787	1017	26	permanganate	permanganate	NN
12787	1017	27	upon	upon	IN
12787	1017	28	the	the	DT
12787	1017	29	manganous	manganous	JJ
12787	1017	30	sulphate	sulphate	NN
12787	1017	31	formed	form	VBN
12787	1017	32	during	during	IN
12787	1017	33	titration	titration	NN
12787	1017	34	.	.	.
12787	1018	1	If	if	IN
12787	1018	2	the	the	DT
12787	1018	3	solution	solution	NN
12787	1018	4	turns	turn	VBZ
12787	1018	5	brown	brown	JJ
12787	1018	6	,	,	,
12787	1018	7	it	-PRON-	PRP
12787	1018	8	is	be	VBZ
12787	1018	9	an	an	DT
12787	1018	10	evidence	evidence	NN
12787	1018	11	of	of	IN
12787	1018	12	insufficient	insufficient	JJ
12787	1018	13	acid	acid	NN
12787	1018	14	,	,	,
12787	1018	15	and	and	CC
12787	1018	16	more	more	JJR
12787	1018	17	should	should	MD
12787	1018	18	be	be	VB
12787	1018	19	immediately	immediately	RB
12787	1018	20	added	add	VBN
12787	1018	21	.	.	.
12787	1019	1	The	the	DT
12787	1019	2	results	result	NNS
12787	1019	3	are	be	VBP
12787	1019	4	likely	likely	JJ
12787	1019	5	to	to	TO
12787	1019	6	be	be	VB
12787	1019	7	less	less	RBR
12787	1019	8	accurate	accurate	JJ
12787	1019	9	in	in	IN
12787	1019	10	this	this	DT
12787	1019	11	case	case	NN
12787	1019	12	,	,	,
12787	1019	13	however	however	RB
12787	1019	14	,	,	,
12787	1019	15	as	as	IN
12787	1019	16	a	a	DT
12787	1019	17	consequence	consequence	NN
12787	1019	18	of	of	IN
12787	1019	19	secondary	secondary	JJ
12787	1019	20	reactions	reaction	NNS
12787	1019	21	between	between	IN
12787	1019	22	the	the	DT
12787	1019	23	ferrous	ferrous	JJ
12787	1019	24	iron	iron	NN
12787	1019	25	and	and	CC
12787	1019	26	the	the	DT
12787	1019	27	manganese	manganese	JJ
12787	1019	28	dioxide	dioxide	NN
12787	1019	29	thrown	throw	VBN
12787	1019	30	down	down	RP
12787	1019	31	.	.	.
12787	1020	1	It	-PRON-	PRP
12787	1020	2	is	be	VBZ
12787	1020	3	wiser	wise	JJR
12787	1020	4	to	to	TO
12787	1020	5	discard	discard	VB
12787	1020	6	such	such	JJ
12787	1020	7	results	result	NNS
12787	1020	8	and	and	CC
12787	1020	9	repeat	repeat	VB
12787	1020	10	the	the	DT
12787	1020	11	process	process	NN
12787	1020	12	.	.	.
12787	1020	13	]	]	-RRB-
12787	1021	1	[	[	-LRB-
12787	1021	2	Note	note	NN
12787	1021	3	5	5	CD
12787	1021	4	:	:	:
12787	1021	5	The	the	DT
12787	1021	6	potassium	potassium	NN
12787	1021	7	permanganate	permanganate	NN
12787	1021	8	may	may	MD
12787	1021	9	,	,	,
12787	1021	10	of	of	IN
12787	1021	11	course	course	NN
12787	1021	12	,	,	,
12787	1021	13	be	be	VB
12787	1021	14	diluted	dilute	VBN
12787	1021	15	and	and	CC
12787	1021	16	brought	bring	VBN
12787	1021	17	to	to	IN
12787	1021	18	an	an	DT
12787	1021	19	exactly	exactly	RB
12787	1021	20	0.1	0.1	CD
12787	1021	21	N	n	NN
12787	1021	22	solution	solution	NN
12787	1021	23	from	from	IN
12787	1021	24	the	the	DT
12787	1021	25	data	datum	NNS
12787	1021	26	here	here	RB
12787	1021	27	obtained	obtain	VBN
12787	1021	28	.	.	.
12787	1022	1	The	the	DT
12787	1022	2	percentage	percentage	NN
12787	1022	3	of	of	IN
12787	1022	4	iron	iron	NN
12787	1022	5	in	in	IN
12787	1022	6	the	the	DT
12787	1022	7	iron	iron	NN
12787	1022	8	wire	wire	NN
12787	1022	9	must	must	MD
12787	1022	10	be	be	VB
12787	1022	11	taken	take	VBN
12787	1022	12	into	into	IN
12787	1022	13	account	account	NN
12787	1022	14	in	in	IN
12787	1022	15	all	all	DT
12787	1022	16	calculations	calculation	NNS
12787	1022	17	.	.	.
12787	1022	18	]	]	-RRB-
12787	1023	1	!	!	.
12787	1023	2	Method	Method	NNP
12787	1023	3	B	B	NNP
12787	1023	4	!	!	.
12787	1024	1	!	!	NFP
12787	1024	2	Oxalate	Oxalate	NNP
12787	1024	3	Standards	Standards	NNPS
12787	1024	4	!	!	.
12787	1025	1	PROCEDURE.--Weigh	procedure.--weigh	VB
12787	1025	2	out	out	RP
12787	1025	3	two	two	CD
12787	1025	4	portions	portion	NNS
12787	1025	5	of	of	IN
12787	1025	6	pure	pure	JJ
12787	1025	7	sodium	sodium	NN
12787	1025	8	oxalate	oxalate	NN
12787	1025	9	of	of	IN
12787	1025	10	0.25	0.25	CD
12787	1025	11	-	-	SYM
12787	1025	12	0.3	0.3	CD
12787	1025	13	gram	gram	NN
12787	1025	14	each	each	DT
12787	1025	15	into	into	IN
12787	1025	16	beakers	beaker	NNS
12787	1025	17	of	of	IN
12787	1025	18	about	about	RB
12787	1025	19	600	600	CD
12787	1025	20	cc	cc	NN
12787	1025	21	.	.	.
12787	1026	1	capacity	capacity	NN
12787	1026	2	.	.	.
12787	1027	1	Add	add	VB
12787	1027	2	about	about	RB
12787	1027	3	400	400	CD
12787	1027	4	cc	cc	NN
12787	1027	5	.	.	.
12787	1028	1	of	of	IN
12787	1028	2	boiling	boil	VBG
12787	1028	3	water	water	NN
12787	1028	4	and	and	CC
12787	1028	5	20	20	CD
12787	1028	6	cc	cc	NN
12787	1028	7	.	.	.
12787	1029	1	of	of	IN
12787	1029	2	manganous	manganous	JJ
12787	1029	3	sulphate	sulphate	NN
12787	1029	4	solution	solution	NN
12787	1029	5	(	(	-LRB-
12787	1029	6	Note	note	NN
12787	1029	7	1	1	CD
12787	1029	8	)	)	-RRB-
12787	1029	9	.	.	.
12787	1030	1	When	when	WRB
12787	1030	2	the	the	DT
12787	1030	3	solution	solution	NN
12787	1030	4	of	of	IN
12787	1030	5	the	the	DT
12787	1030	6	oxalate	oxalate	NN
12787	1030	7	is	be	VBZ
12787	1030	8	complete	complete	JJ
12787	1030	9	,	,	,
12787	1030	10	heat	heat	VB
12787	1030	11	the	the	DT
12787	1030	12	liquid	liquid	NN
12787	1030	13	,	,	,
12787	1030	14	if	if	IN
12787	1030	15	necessary	necessary	JJ
12787	1030	16	,	,	,
12787	1030	17	until	until	IN
12787	1030	18	near	near	IN
12787	1030	19	its	-PRON-	PRP$
12787	1030	20	boiling	boiling	NN
12787	1030	21	point	point	NN
12787	1030	22	(	(	-LRB-
12787	1030	23	70	70	CD
12787	1030	24	-	-	SYM
12787	1030	25	90Â	90Â	NNP
12787	1030	26	°	°	,
12787	1030	27	C	C	NNP
12787	1030	28	.	.	.
12787	1030	29	)	)	-RRB-
12787	1031	1	and	and	CC
12787	1031	2	run	run	VB
12787	1031	3	in	in	IN
12787	1031	4	the	the	DT
12787	1031	5	standard	standard	JJ
12787	1031	6	permanganate	permanganate	JJ
12787	1031	7	solution	solution	NN
12787	1031	8	drop	drop	NN
12787	1031	9	by	by	IN
12787	1031	10	drop	drop	NN
12787	1031	11	from	from	IN
12787	1031	12	a	a	DT
12787	1031	13	burette	burette	NN
12787	1031	14	,	,	,
12787	1031	15	stirring	stir	VBG
12787	1031	16	constantly	constantly	RB
12787	1031	17	until	until	IN
12787	1031	18	an	an	DT
12787	1031	19	end	end	NN
12787	1031	20	-	-	HYPH
12787	1031	21	point	point	NN
12787	1031	22	is	be	VBZ
12787	1031	23	reached	reach	VBN
12787	1031	24	(	(	-LRB-
12787	1031	25	Note	note	NN
12787	1031	26	2	2	CD
12787	1031	27	)	)	-RRB-
12787	1031	28	.	.	.
12787	1032	1	Make	make	VB
12787	1032	2	a	a	DT
12787	1032	3	blank	blank	JJ
12787	1032	4	test	test	NN
12787	1032	5	with	with	IN
12787	1032	6	20	20	CD
12787	1032	7	cc	cc	NN
12787	1032	8	.	.	.
12787	1033	1	of	of	IN
12787	1033	2	manganous	manganous	JJ
12787	1033	3	sulphate	sulphate	NN
12787	1033	4	solution	solution	NN
12787	1033	5	and	and	CC
12787	1033	6	a	a	DT
12787	1033	7	volume	volume	NN
12787	1033	8	of	of	IN
12787	1033	9	distilled	distil	VBN
12787	1033	10	water	water	NN
12787	1033	11	equal	equal	JJ
12787	1033	12	to	to	IN
12787	1033	13	that	that	DT
12787	1033	14	of	of	IN
12787	1033	15	the	the	DT
12787	1033	16	titrated	titrated	JJ
12787	1033	17	solution	solution	NN
12787	1033	18	to	to	TO
12787	1033	19	determine	determine	VB
12787	1033	20	the	the	DT
12787	1033	21	volume	volume	NN
12787	1033	22	of	of	IN
12787	1033	23	the	the	DT
12787	1033	24	permanganate	permanganate	JJ
12787	1033	25	solution	solution	NN
12787	1033	26	required	require	VBN
12787	1033	27	to	to	TO
12787	1033	28	produce	produce	VB
12787	1033	29	a	a	DT
12787	1033	30	very	very	RB
12787	1033	31	slight	slight	JJ
12787	1033	32	pink	pink	NN
12787	1033	33	.	.	.
12787	1034	1	Deduct	deduct	VB
12787	1034	2	this	this	DT
12787	1034	3	volume	volume	NN
12787	1034	4	from	from	IN
12787	1034	5	the	the	DT
12787	1034	6	amount	amount	NN
12787	1034	7	of	of	IN
12787	1034	8	permanganate	permanganate	JJ
12787	1034	9	solution	solution	NN
12787	1034	10	used	use	VBN
12787	1034	11	in	in	IN
12787	1034	12	the	the	DT
12787	1034	13	titration	titration	NN
12787	1034	14	.	.	.
12787	1035	1	From	from	IN
12787	1035	2	the	the	DT
12787	1035	3	data	datum	NNS
12787	1035	4	obtained	obtain	VBN
12787	1035	5	,	,	,
12787	1035	6	calculate	calculate	VB
12787	1035	7	the	the	DT
12787	1035	8	relation	relation	NN
12787	1035	9	of	of	IN
12787	1035	10	the	the	DT
12787	1035	11	permanganate	permanganate	JJ
12787	1035	12	solution	solution	NN
12787	1035	13	to	to	IN
12787	1035	14	the	the	DT
12787	1035	15	normal	normal	JJ
12787	1035	16	.	.	.
12787	1036	1	The	the	DT
12787	1036	2	reaction	reaction	NN
12787	1036	3	involved	involve	VBN
12787	1036	4	is	be	VBZ
12787	1036	5	:	:	:
12787	1036	6	5Na_{2}C_{2}O_{4	5na_{2}c_{2}o_{4	CD
12787	1036	7	}	}	-RRB-
12787	1036	8	+	+	CC
12787	1036	9	2KMnO_{4	2kmno_{4	CD
12787	1036	10	}	}	-RRB-
12787	1036	11	+	+	SYM
12787	1036	12	8H_{2}SO_{4	8h_{2}so_{4	NN
12787	1036	13	}	}	-RRB-
12787	1036	14	--	--	:
12787	1036	15	>	>	XX
12787	1036	16	5Na_{2}SO_{4	5na_{2}so_{4	CD
12787	1036	17	}	}	-RRB-
12787	1036	18	+	+	NFP
12787	1036	19	K_{2}SO_{4	K_{2}SO_{4	NNP
12787	1036	20	}	}	-RRB-
12787	1036	21	+	+	CC
12787	1036	22	2MnSO_{4	2mnso_{4	CD
12787	1036	23	}	}	-RRB-
12787	1036	24	+	+	CC
12787	1036	25	10CO_{2	10co_{2	NN
12787	1036	26	}	}	-RRB-
12787	1036	27	+	+	CC
12787	1036	28	8H_{2}O	8h_{2}o	CD
12787	1036	29	[	[	-LRB-
12787	1036	30	Note	note	NN
12787	1036	31	1	1	CD
12787	1036	32	:	:	:
12787	1036	33	The	the	DT
12787	1036	34	manganous	manganous	JJ
12787	1036	35	sulphate	sulphate	NN
12787	1036	36	titrating	titrating	NN
12787	1036	37	solution	solution	NN
12787	1036	38	is	be	VBZ
12787	1036	39	made	make	VBN
12787	1036	40	by	by	IN
12787	1036	41	dissolving	dissolve	VBG
12787	1036	42	20	20	CD
12787	1036	43	grams	gram	NNS
12787	1036	44	of	of	IN
12787	1036	45	MnSO_{4	MnSO_{4	NNP
12787	1036	46	}	}	-RRB-
12787	1036	47	in	in	IN
12787	1036	48	200	200	CD
12787	1036	49	cubic	cubic	JJ
12787	1036	50	centimeters	centimeter	NNS
12787	1036	51	of	of	IN
12787	1036	52	water	water	NN
12787	1036	53	and	and	CC
12787	1036	54	adding	add	VBG
12787	1036	55	40	40	CD
12787	1036	56	cc	cc	NN
12787	1036	57	.	.	.
12787	1037	1	of	of	IN
12787	1037	2	concentrated	concentrate	VBN
12787	1037	3	sulphuric	sulphuric	NNP
12787	1037	4	acid	acid	NNP
12787	1037	5	(	(	-LRB-
12787	1037	6	sp	sp	NNP
12787	1037	7	.	.	.
12787	1038	1	gr	gr	NNP
12787	1038	2	.	.	.
12787	1039	1	1.84	1.84	CD
12787	1039	2	)	)	-RRB-
12787	1039	3	and	and	CC
12787	1039	4	40	40	CD
12787	1039	5	cc	cc	NN
12787	1039	6	.	.	.
12787	1040	1	or	or	CC
12787	1040	2	phosphoric	phosphoric	NN
12787	1040	3	acid	acid	NN
12787	1040	4	(	(	-LRB-
12787	1040	5	85	85	CD
12787	1040	6	%	%	NN
12787	1040	7	)	)	-RRB-
12787	1040	8	.	.	.
12787	1040	9	]	]	-RRB-
12787	1041	1	[	[	-LRB-
12787	1041	2	Note	note	NN
12787	1041	3	2	2	CD
12787	1041	4	:	:	:
12787	1041	5	The	the	DT
12787	1041	6	reaction	reaction	NN
12787	1041	7	between	between	IN
12787	1041	8	oxalates	oxalate	NNS
12787	1041	9	and	and	CC
12787	1041	10	permanganates	permanganate	NNS
12787	1041	11	takes	take	VBZ
12787	1041	12	place	place	NN
12787	1041	13	quantitatively	quantitatively	RB
12787	1041	14	only	only	RB
12787	1041	15	in	in	IN
12787	1041	16	hot	hot	JJ
12787	1041	17	acid	acid	JJ
12787	1041	18	solutions	solution	NNS
12787	1041	19	.	.	.
12787	1042	1	The	the	DT
12787	1042	2	temperatures	temperature	NNS
12787	1042	3	must	must	MD
12787	1042	4	not	not	RB
12787	1042	5	fall	fall	VB
12787	1042	6	below	below	IN
12787	1042	7	70Â	70â	CD
12787	1042	8	°	°	,
12787	1042	9	C	C	NNP
12787	1042	10	.	.	.
12787	1042	11	]	]	-RRB-
12787	1043	1	DETERMINATION	determination	NN
12787	1043	2	OF	of	IN
12787	1043	3	IRON	IRON	NNP
12787	1043	4	IN	in	IN
12787	1043	5	LIMONITE	LIMONITE	NNP
12787	1043	6	!	!	.
12787	1043	7	Method	Method	NNP
12787	1043	8	A	A	NNP
12787	1043	9	!	!	.
12787	1044	1	The	the	DT
12787	1044	2	procedures	procedure	NNS
12787	1044	3	,	,	,
12787	1044	4	as	as	RB
12787	1044	5	here	here	RB
12787	1044	6	prescribed	prescribe	VBN
12787	1044	7	,	,	,
12787	1044	8	are	be	VBP
12787	1044	9	applicable	applicable	JJ
12787	1044	10	to	to	TO
12787	1044	11	iron	iron	NN
12787	1044	12	ores	ore	NNS
12787	1044	13	in	in	IN
12787	1044	14	general	general	JJ
12787	1044	15	,	,	,
12787	1044	16	provided	provide	VBD
12787	1044	17	these	these	DT
12787	1044	18	ores	ore	NNS
12787	1044	19	contain	contain	VBP
12787	1044	20	no	no	DT
12787	1044	21	constituents	constituent	NNS
12787	1044	22	which	which	WDT
12787	1044	23	are	be	VBP
12787	1044	24	reduced	reduce	VBN
12787	1044	25	by	by	IN
12787	1044	26	zinc	zinc	NN
12787	1044	27	or	or	CC
12787	1044	28	stannous	stannous	JJ
12787	1044	29	chloride	chloride	NN
12787	1044	30	and	and	CC
12787	1044	31	reoxidized	reoxidize	VBN
12787	1044	32	by	by	IN
12787	1044	33	permanganates	permanganate	NNS
12787	1044	34	.	.	.
12787	1045	1	Many	many	JJ
12787	1045	2	iron	iron	NN
12787	1045	3	ores	ore	NNS
12787	1045	4	contain	contain	VBP
12787	1045	5	titanium	titanium	NN
12787	1045	6	,	,	,
12787	1045	7	and	and	CC
12787	1045	8	this	this	DT
12787	1045	9	element	element	NN
12787	1045	10	among	among	IN
12787	1045	11	others	other	NNS
12787	1045	12	does	do	VBZ
12787	1045	13	interfere	interfere	VB
12787	1045	14	with	with	IN
12787	1045	15	the	the	DT
12787	1045	16	determination	determination	NN
12787	1045	17	of	of	IN
12787	1045	18	iron	iron	NN
12787	1045	19	by	by	IN
12787	1045	20	the	the	DT
12787	1045	21	process	process	NN
12787	1045	22	described	describe	VBN
12787	1045	23	.	.	.
12787	1046	1	If	if	IN
12787	1046	2	,	,	,
12787	1046	3	however	however	RB
12787	1046	4	,	,	,
12787	1046	5	the	the	DT
12787	1046	6	solutions	solution	NNS
12787	1046	7	of	of	IN
12787	1046	8	such	such	JJ
12787	1046	9	ores	ore	NNS
12787	1046	10	are	be	VBP
12787	1046	11	treated	treat	VBN
12787	1046	12	with	with	IN
12787	1046	13	sulphureted	sulphurete	VBN
12787	1046	14	hydrogen	hydrogen	NN
12787	1046	15	or	or	CC
12787	1046	16	sulphurous	sulphurous	JJ
12787	1046	17	acid	acid	NN
12787	1046	18	,	,	,
12787	1046	19	instead	instead	RB
12787	1046	20	of	of	IN
12787	1046	21	zinc	zinc	NN
12787	1046	22	or	or	CC
12787	1046	23	stannous	stannous	JJ
12787	1046	24	chloride	chloride	NN
12787	1046	25	to	to	TO
12787	1046	26	reduce	reduce	VB
12787	1046	27	the	the	DT
12787	1046	28	iron	iron	NN
12787	1046	29	,	,	,
12787	1046	30	and	and	CC
12787	1046	31	the	the	DT
12787	1046	32	excess	excess	JJ
12787	1046	33	reducing	reduce	VBG
12787	1046	34	agent	agent	NN
12787	1046	35	removed	remove	VBN
12787	1046	36	by	by	IN
12787	1046	37	boiling	boil	VBG
12787	1046	38	,	,	,
12787	1046	39	an	an	DT
12787	1046	40	accurate	accurate	JJ
12787	1046	41	determination	determination	NN
12787	1046	42	of	of	IN
12787	1046	43	the	the	DT
12787	1046	44	iron	iron	NN
12787	1046	45	can	can	MD
12787	1046	46	be	be	VB
12787	1046	47	made	make	VBN
12787	1046	48	.	.	.
12787	1047	1	PROCEDURE.--Grind	procedure.--grind	VB
12787	1047	2	the	the	DT
12787	1047	3	mineral	mineral	NN
12787	1047	4	to	to	IN
12787	1047	5	a	a	DT
12787	1047	6	fine	fine	JJ
12787	1047	7	powder	powder	NN
12787	1047	8	.	.	.
12787	1048	1	Weigh	weigh	VB
12787	1048	2	out	out	RP
12787	1048	3	two	two	CD
12787	1048	4	portions	portion	NNS
12787	1048	5	of	of	IN
12787	1048	6	about	about	RB
12787	1048	7	0.5	0.5	CD
12787	1048	8	gram	gram	NN
12787	1048	9	each	each	DT
12787	1048	10	into	into	IN
12787	1048	11	small	small	JJ
12787	1048	12	porcelain	porcelain	NN
12787	1048	13	crucibles	crucible	NNS
12787	1048	14	.	.	.
12787	1049	1	Roast	roast	VB
12787	1049	2	the	the	DT
12787	1049	3	ore	ore	NN
12787	1049	4	at	at	IN
12787	1049	5	dull	dull	JJ
12787	1049	6	redness	redness	NN
12787	1049	7	for	for	IN
12787	1049	8	ten	ten	CD
12787	1049	9	minutes	minute	NNS
12787	1049	10	(	(	-LRB-
12787	1049	11	Note	note	NN
12787	1049	12	1	1	CD
12787	1049	13	)	)	-RRB-
12787	1049	14	,	,	,
12787	1049	15	allow	allow	VB
12787	1049	16	the	the	DT
12787	1049	17	crucibles	crucible	NNS
12787	1049	18	to	to	TO
12787	1049	19	cool	cool	JJ
12787	1049	20	,	,	,
12787	1049	21	and	and	CC
12787	1049	22	place	place	VB
12787	1049	23	them	-PRON-	PRP
12787	1049	24	and	and	CC
12787	1049	25	their	-PRON-	PRP$
12787	1049	26	contents	content	NNS
12787	1049	27	in	in	IN
12787	1049	28	casseroles	casserole	NNS
12787	1049	29	containing	contain	VBG
12787	1049	30	30	30	CD
12787	1049	31	cc	cc	NN
12787	1049	32	.	.	.
12787	1050	1	of	of	IN
12787	1050	2	dilute	dilute	NNP
12787	1050	3	hydrochloric	hydrochloric	NNP
12787	1050	4	acid	acid	NNP
12787	1050	5	(	(	-LRB-
12787	1050	6	sp	sp	NNP
12787	1050	7	.	.	.
12787	1051	1	gr	gr	NNP
12787	1051	2	.	.	.
12787	1052	1	1.12	1.12	CD
12787	1052	2	)	)	-RRB-
12787	1052	3	.	.	.
12787	1053	1	Proceed	proceed	VB
12787	1053	2	with	with	IN
12787	1053	3	the	the	DT
12787	1053	4	solution	solution	NN
12787	1053	5	of	of	IN
12787	1053	6	the	the	DT
12787	1053	7	ore	ore	NN
12787	1053	8	,	,	,
12787	1053	9	and	and	CC
12787	1053	10	the	the	DT
12787	1053	11	treatment	treatment	NN
12787	1053	12	of	of	IN
12787	1053	13	the	the	DT
12787	1053	14	residue	residue	NN
12787	1053	15	,	,	,
12787	1053	16	if	if	IN
12787	1053	17	necessary	necessary	JJ
12787	1053	18	,	,	,
12787	1053	19	exactly	exactly	RB
12787	1053	20	as	as	IN
12787	1053	21	described	describe	VBN
12787	1053	22	for	for	IN
12787	1053	23	the	the	DT
12787	1053	24	bichromate	bichromate	JJ
12787	1053	25	process	process	NN
12787	1053	26	on	on	IN
12787	1053	27	page	page	NN
12787	1053	28	56	56	CD
12787	1053	29	.	.	.
12787	1054	1	When	when	WRB
12787	1054	2	solution	solution	NN
12787	1054	3	is	be	VBZ
12787	1054	4	complete	complete	JJ
12787	1054	5	,	,	,
12787	1054	6	add	add	VB
12787	1054	7	6	6	CD
12787	1054	8	cc	cc	NN
12787	1054	9	.	.	.
12787	1055	1	of	of	IN
12787	1055	2	concentrated	concentrated	JJ
12787	1055	3	sulphuric	sulphuric	NNP
12787	1055	4	acid	acid	NN
12787	1055	5	to	to	IN
12787	1055	6	each	each	DT
12787	1055	7	casserole	casserole	NN
12787	1055	8	,	,	,
12787	1055	9	and	and	CC
12787	1055	10	evaporate	evaporate	VB
12787	1055	11	on	on	IN
12787	1055	12	the	the	DT
12787	1055	13	steam	steam	NN
12787	1055	14	bath	bath	NN
12787	1055	15	until	until	IN
12787	1055	16	the	the	DT
12787	1055	17	solution	solution	NN
12787	1055	18	is	be	VBZ
12787	1055	19	nearly	nearly	RB
12787	1055	20	colorless	colorless	JJ
12787	1055	21	(	(	-LRB-
12787	1055	22	Note	note	NN
12787	1055	23	2	2	CD
12787	1055	24	)	)	-RRB-
12787	1055	25	.	.	.
12787	1056	1	Cover	cover	VB
12787	1056	2	the	the	DT
12787	1056	3	casseroles	casserole	NNS
12787	1056	4	and	and	CC
12787	1056	5	heat	heat	NN
12787	1056	6	over	over	IN
12787	1056	7	the	the	DT
12787	1056	8	flame	flame	NN
12787	1056	9	of	of	IN
12787	1056	10	the	the	DT
12787	1056	11	burner	burner	NN
12787	1056	12	,	,	,
12787	1056	13	holding	hold	VBG
12787	1056	14	the	the	DT
12787	1056	15	casserole	casserole	NN
12787	1056	16	in	in	IN
12787	1056	17	the	the	DT
12787	1056	18	hand	hand	NN
12787	1056	19	and	and	CC
12787	1056	20	rotating	rotate	VBG
12787	1056	21	it	-PRON-	PRP
12787	1056	22	slowly	slowly	RB
12787	1056	23	to	to	TO
12787	1056	24	hasten	hasten	VB
12787	1056	25	evaporation	evaporation	NN
12787	1056	26	and	and	CC
12787	1056	27	prevent	prevent	NN
12787	1056	28	spattering	spattering	NN
12787	1056	29	,	,	,
12787	1056	30	until	until	IN
12787	1056	31	the	the	DT
12787	1056	32	heavy	heavy	JJ
12787	1056	33	white	white	JJ
12787	1056	34	fumes	fume	NNS
12787	1056	35	of	of	IN
12787	1056	36	sulphuric	sulphuric	JJ
12787	1056	37	anhydride	anhydride	NN
12787	1056	38	are	be	VBP
12787	1056	39	freely	freely	RB
12787	1056	40	evolved	evolve	VBN
12787	1056	41	(	(	-LRB-
12787	1056	42	Note	note	NN
12787	1056	43	3	3	CD
12787	1056	44	)	)	-RRB-
12787	1056	45	.	.	.
12787	1057	1	Cool	cool	VB
12787	1057	2	the	the	DT
12787	1057	3	casseroles	casserole	NNS
12787	1057	4	,	,	,
12787	1057	5	add	add	VB
12787	1057	6	100	100	CD
12787	1057	7	cc	cc	NN
12787	1057	8	.	.	.
12787	1058	1	of	of	IN
12787	1058	2	water	water	NN
12787	1058	3	(	(	-LRB-
12787	1058	4	measured	measure	VBN
12787	1058	5	)	)	-RRB-
12787	1058	6	,	,	,
12787	1058	7	and	and	CC
12787	1058	8	boil	boil	VB
12787	1058	9	gently	gently	RB
12787	1058	10	until	until	IN
12787	1058	11	the	the	DT
12787	1058	12	ferric	ferric	JJ
12787	1058	13	sulphate	sulphate	NN
12787	1058	14	is	be	VBZ
12787	1058	15	dissolved	dissolve	VBN
12787	1058	16	;	;	:
12787	1058	17	pour	pour	VB
12787	1058	18	the	the	DT
12787	1058	19	warm	warm	JJ
12787	1058	20	solution	solution	NN
12787	1058	21	through	through	IN
12787	1058	22	the	the	DT
12787	1058	23	reductor	reductor	NN
12787	1058	24	which	which	WDT
12787	1058	25	has	have	VBZ
12787	1058	26	been	be	VBN
12787	1058	27	previously	previously	RB
12787	1058	28	washed	wash	VBN
12787	1058	29	;	;	:
12787	1058	30	proceed	proceed	VB
12787	1058	31	as	as	IN
12787	1058	32	described	describe	VBN
12787	1058	33	under	under	IN
12787	1058	34	standardization	standardization	NN
12787	1058	35	,	,	,
12787	1058	36	taking	take	VBG
12787	1058	37	pains	pain	NNS
12787	1058	38	to	to	TO
12787	1058	39	use	use	VB
12787	1058	40	the	the	DT
12787	1058	41	same	same	JJ
12787	1058	42	volume	volume	NN
12787	1058	43	and	and	CC
12787	1058	44	strength	strength	NN
12787	1058	45	of	of	IN
12787	1058	46	acid	acid	NN
12787	1058	47	and	and	CC
12787	1058	48	the	the	DT
12787	1058	49	same	same	JJ
12787	1058	50	volume	volume	NN
12787	1058	51	of	of	IN
12787	1058	52	wash	wash	NN
12787	1058	53	-	-	HYPH
12787	1058	54	water	water	NN
12787	1058	55	as	as	RB
12787	1058	56	there	there	RB
12787	1058	57	prescribed	prescribe	VBN
12787	1058	58	,	,	,
12787	1058	59	and	and	CC
12787	1058	60	titrate	titrate	VB
12787	1058	61	with	with	IN
12787	1058	62	the	the	DT
12787	1058	63	permanganate	permanganate	JJ
12787	1058	64	solution	solution	NN
12787	1058	65	in	in	IN
12787	1058	66	the	the	DT
12787	1058	67	reductor	reductor	NN
12787	1058	68	flask	flask	NN
12787	1058	69	,	,	,
12787	1058	70	using	use	VBG
12787	1058	71	the	the	DT
12787	1058	72	ferrous	ferrous	JJ
12787	1058	73	sulphate	sulphate	NN
12787	1058	74	solution	solution	NN
12787	1058	75	if	if	IN
12787	1058	76	the	the	DT
12787	1058	77	end	end	NN
12787	1058	78	-	-	HYPH
12787	1058	79	point	point	NN
12787	1058	80	should	should	MD
12787	1058	81	be	be	VB
12787	1058	82	overstepped	overstep	VBN
12787	1058	83	.	.	.
12787	1059	1	From	from	IN
12787	1059	2	the	the	DT
12787	1059	3	corrected	correct	VBN
12787	1059	4	volume	volume	NN
12787	1059	5	of	of	IN
12787	1059	6	permanganate	permanganate	JJ
12787	1059	7	solution	solution	NN
12787	1059	8	used	use	VBN
12787	1059	9	,	,	,
12787	1059	10	calculate	calculate	VB
12787	1059	11	the	the	DT
12787	1059	12	percentage	percentage	NN
12787	1059	13	of	of	IN
12787	1059	14	iron	iron	NN
12787	1059	15	(	(	-LRB-
12787	1059	16	Fe	fe	FW
12787	1059	17	)	)	-RRB-
12787	1059	18	in	in	IN
12787	1059	19	the	the	DT
12787	1059	20	limonite	limonite	NN
12787	1059	21	.	.	.
12787	1060	1	[	[	-LRB-
12787	1060	2	Note	note	NN
12787	1060	3	1	1	CD
12787	1060	4	:	:	:
12787	1060	5	The	the	DT
12787	1060	6	preliminary	preliminary	JJ
12787	1060	7	roasting	roasting	NN
12787	1060	8	is	be	VBZ
12787	1060	9	usually	usually	RB
12787	1060	10	necessary	necessary	JJ
12787	1060	11	because	because	IN
12787	1060	12	,	,	,
12787	1060	13	even	even	RB
12787	1060	14	though	though	IN
12787	1060	15	the	the	DT
12787	1060	16	sulphuric	sulphuric	JJ
12787	1060	17	acid	acid	NN
12787	1060	18	would	would	MD
12787	1060	19	subsequently	subsequently	RB
12787	1060	20	char	char	VB
12787	1060	21	the	the	DT
12787	1060	22	carbonaceous	carbonaceous	JJ
12787	1060	23	matter	matter	NN
12787	1060	24	,	,	,
12787	1060	25	certain	certain	JJ
12787	1060	26	nitrogenous	nitrogenous	JJ
12787	1060	27	bodies	body	NNS
12787	1060	28	are	be	VBP
12787	1060	29	not	not	RB
12787	1060	30	thereby	thereby	RB
12787	1060	31	rendered	render	VBN
12787	1060	32	insoluble	insoluble	JJ
12787	1060	33	in	in	IN
12787	1060	34	the	the	DT
12787	1060	35	acid	acid	NN
12787	1060	36	,	,	,
12787	1060	37	and	and	CC
12787	1060	38	would	would	MD
12787	1060	39	be	be	VB
12787	1060	40	oxidized	oxidize	VBN
12787	1060	41	by	by	IN
12787	1060	42	the	the	DT
12787	1060	43	permanganate	permanganate	NN
12787	1060	44	.	.	.
12787	1060	45	]	]	-RRB-
12787	1061	1	[	[	-LRB-
12787	1061	2	Note	note	NN
12787	1061	3	2	2	CD
12787	1061	4	:	:	:
12787	1061	5	The	the	DT
12787	1061	6	temperature	temperature	NN
12787	1061	7	of	of	IN
12787	1061	8	the	the	DT
12787	1061	9	steam	steam	NN
12787	1061	10	bath	bath	NN
12787	1061	11	is	be	VBZ
12787	1061	12	not	not	RB
12787	1061	13	sufficient	sufficient	JJ
12787	1061	14	to	to	TO
12787	1061	15	volatilize	volatilize	VB
12787	1061	16	sulphuric	sulphuric	JJ
12787	1061	17	acid	acid	NN
12787	1061	18	.	.	.
12787	1062	1	Solutions	solution	NNS
12787	1062	2	may	may	MD
12787	1062	3	,	,	,
12787	1062	4	therefore	therefore	RB
12787	1062	5	,	,	,
12787	1062	6	be	be	VB
12787	1062	7	left	leave	VBN
12787	1062	8	to	to	TO
12787	1062	9	evaporate	evaporate	VB
12787	1062	10	overnight	overnight	RB
12787	1062	11	without	without	IN
12787	1062	12	danger	danger	NN
12787	1062	13	of	of	IN
12787	1062	14	evaporation	evaporation	NN
12787	1062	15	to	to	IN
12787	1062	16	dryness	dryness	NN
12787	1062	17	.	.	.
12787	1062	18	]	]	-RRB-
12787	1063	1	[	[	-LRB-
12787	1063	2	Note	note	NN
12787	1063	3	3	3	CD
12787	1063	4	:	:	:
12787	1063	5	The	the	DT
12787	1063	6	hydrochloric	hydrochloric	JJ
12787	1063	7	acid	acid	NN
12787	1063	8	,	,	,
12787	1063	9	both	both	CC
12787	1063	10	free	free	JJ
12787	1063	11	and	and	CC
12787	1063	12	combined	combined	JJ
12787	1063	13	,	,	,
12787	1063	14	is	be	VBZ
12787	1063	15	displaced	displace	VBN
12787	1063	16	by	by	IN
12787	1063	17	the	the	DT
12787	1063	18	less	less	RBR
12787	1063	19	volatile	volatile	JJ
12787	1063	20	sulphuric	sulphuric	JJ
12787	1063	21	acid	acid	NN
12787	1063	22	at	at	IN
12787	1063	23	its	-PRON-	PRP$
12787	1063	24	boiling	boiling	NN
12787	1063	25	point	point	NN
12787	1063	26	.	.	.
12787	1064	1	Ferric	ferric	JJ
12787	1064	2	sulphate	sulphate	NN
12787	1064	3	separates	separate	NNS
12787	1064	4	at	at	IN
12787	1064	5	this	this	DT
12787	1064	6	point	point	NN
12787	1064	7	,	,	,
12787	1064	8	since	since	IN
12787	1064	9	there	there	EX
12787	1064	10	is	be	VBZ
12787	1064	11	no	no	DT
12787	1064	12	water	water	NN
12787	1064	13	to	to	TO
12787	1064	14	hold	hold	VB
12787	1064	15	it	-PRON-	PRP
12787	1064	16	in	in	IN
12787	1064	17	solution	solution	NN
12787	1064	18	and	and	CC
12787	1064	19	care	care	NN
12787	1064	20	is	be	VBZ
12787	1064	21	required	require	VBN
12787	1064	22	to	to	TO
12787	1064	23	prevent	prevent	VB
12787	1064	24	bumping	bumping	NN
12787	1064	25	.	.	.
12787	1065	1	The	the	DT
12787	1065	2	ferric	ferric	JJ
12787	1065	3	sulphate	sulphate	NN
12787	1065	4	usually	usually	RB
12787	1065	5	has	have	VBZ
12787	1065	6	a	a	DT
12787	1065	7	silky	silky	JJ
12787	1065	8	appearance	appearance	NN
12787	1065	9	and	and	CC
12787	1065	10	is	be	VBZ
12787	1065	11	easily	easily	RB
12787	1065	12	distinguished	distinguish	VBN
12787	1065	13	from	from	IN
12787	1065	14	the	the	DT
12787	1065	15	flocculent	flocculent	JJ
12787	1065	16	silica	silica	NN
12787	1065	17	which	which	WDT
12787	1065	18	often	often	RB
12787	1065	19	remains	remain	VBZ
12787	1065	20	undissolved	undissolved	JJ
12787	1065	21	.	.	.
12787	1065	22	]	]	-RRB-
12787	1066	1	!	!	.
12787	1066	2	Zimmermann	Zimmermann	NNP
12787	1066	3	-	-	HYPH
12787	1066	4	Reinhardt	Reinhardt	NNP
12787	1066	5	Procedure	Procedure	NNP
12787	1066	6	!	!	.
12787	1067	1	!	!	.
12787	1067	2	Method	Method	NNP
12787	1067	3	(	(	-LRB-
12787	1067	4	B	B	NNP
12787	1067	5	)	)	-RRB-
12787	1067	6	!	!	.
12787	1068	1	PROCEDURE.--Grind	procedure.--grind	VB
12787	1068	2	the	the	DT
12787	1068	3	mineral	mineral	NN
12787	1068	4	to	to	IN
12787	1068	5	a	a	DT
12787	1068	6	fine	fine	JJ
12787	1068	7	powder	powder	NN
12787	1068	8	.	.	.
12787	1069	1	Weigh	weigh	VB
12787	1069	2	out	out	RP
12787	1069	3	two	two	CD
12787	1069	4	portions	portion	NNS
12787	1069	5	of	of	IN
12787	1069	6	about	about	RB
12787	1069	7	0.5	0.5	CD
12787	1069	8	gram	gram	NN
12787	1069	9	each	each	DT
12787	1069	10	into	into	IN
12787	1069	11	small	small	JJ
12787	1069	12	porcelain	porcelain	NN
12787	1069	13	crucibles	crucible	NNS
12787	1069	14	.	.	.
12787	1070	1	Proceed	proceed	VB
12787	1070	2	with	with	IN
12787	1070	3	the	the	DT
12787	1070	4	solution	solution	NN
12787	1070	5	of	of	IN
12787	1070	6	the	the	DT
12787	1070	7	ore	ore	NN
12787	1070	8	,	,	,
12787	1070	9	treat	treat	VB
12787	1070	10	the	the	DT
12787	1070	11	residue	residue	NN
12787	1070	12	,	,	,
12787	1070	13	if	if	IN
12787	1070	14	necessary	necessary	JJ
12787	1070	15	,	,	,
12787	1070	16	and	and	CC
12787	1070	17	reduce	reduce	VB
12787	1070	18	the	the	DT
12787	1070	19	iron	iron	NN
12787	1070	20	by	by	IN
12787	1070	21	the	the	DT
12787	1070	22	addition	addition	NN
12787	1070	23	of	of	IN
12787	1070	24	stannous	stannous	JJ
12787	1070	25	chloride	chloride	NN
12787	1070	26	,	,	,
12787	1070	27	followed	follow	VBN
12787	1070	28	by	by	IN
12787	1070	29	mercuric	mercuric	NN
12787	1070	30	chloride	chloride	NN
12787	1070	31	,	,	,
12787	1070	32	as	as	IN
12787	1070	33	described	describe	VBN
12787	1070	34	for	for	IN
12787	1070	35	the	the	DT
12787	1070	36	bichromate	bichromate	JJ
12787	1070	37	process	process	NN
12787	1070	38	on	on	IN
12787	1070	39	page	page	NN
12787	1070	40	56	56	CD
12787	1070	41	.	.	.
12787	1071	1	Dilute	dilute	VB
12787	1071	2	the	the	DT
12787	1071	3	solution	solution	NN
12787	1071	4	to	to	IN
12787	1071	5	about	about	RB
12787	1071	6	400	400	CD
12787	1071	7	cc	cc	NN
12787	1071	8	.	.	.
12787	1072	1	with	with	IN
12787	1072	2	cold	cold	JJ
12787	1072	3	water	water	NN
12787	1072	4	,	,	,
12787	1072	5	add	add	VB
12787	1072	6	10	10	CD
12787	1072	7	cc	cc	NN
12787	1072	8	.	.	.
12787	1073	1	of	of	IN
12787	1073	2	the	the	DT
12787	1073	3	manganous	manganous	JJ
12787	1073	4	sulphate	sulphate	NN
12787	1073	5	titrating	titrating	NN
12787	1073	6	solution	solution	NN
12787	1073	7	(	(	-LRB-
12787	1073	8	Note	note	NN
12787	1073	9	1	1	CD
12787	1073	10	,	,	,
12787	1073	11	page	page	NN
12787	1073	12	68	68	CD
12787	1073	13	)	)	-RRB-
12787	1073	14	and	and	CC
12787	1073	15	titrate	titrate	VB
12787	1073	16	with	with	IN
12787	1073	17	the	the	DT
12787	1073	18	standard	standard	JJ
12787	1073	19	potassium	potassium	NN
12787	1073	20	permanganate	permanganate	NN
12787	1073	21	solution	solution	NN
12787	1073	22	to	to	IN
12787	1073	23	a	a	DT
12787	1073	24	faint	faint	JJ
12787	1073	25	pink	pink	NN
12787	1073	26	(	(	-LRB-
12787	1073	27	Note	note	NN
12787	1073	28	1	1	CD
12787	1073	29	)	)	-RRB-
12787	1073	30	.	.	.
12787	1074	1	From	from	IN
12787	1074	2	the	the	DT
12787	1074	3	standardization	standardization	NN
12787	1074	4	data	datum	NNS
12787	1074	5	already	already	RB
12787	1074	6	obtained	obtain	VBN
12787	1074	7	calculate	calculate	NN
12787	1074	8	the	the	DT
12787	1074	9	percentage	percentage	NN
12787	1074	10	of	of	IN
12787	1074	11	iron	iron	NN
12787	1074	12	(	(	-LRB-
12787	1074	13	Fe	fe	FW
12787	1074	14	)	)	-RRB-
12787	1074	15	in	in	IN
12787	1074	16	the	the	DT
12787	1074	17	limonite	limonite	NN
12787	1074	18	.	.	.
12787	1075	1	[	[	-LRB-
12787	1075	2	Note	note	NN
12787	1075	3	1	1	CD
12787	1075	4	:	:	:
12787	1075	5	It	-PRON-	PRP
12787	1075	6	has	have	VBZ
12787	1075	7	already	already	RB
12787	1075	8	been	be	VBN
12787	1075	9	noted	note	VBN
12787	1075	10	that	that	IN
12787	1075	11	hydrochloric	hydrochloric	JJ
12787	1075	12	acid	acid	NN
12787	1075	13	reacts	react	NNS
12787	1075	14	slowly	slowly	RB
12787	1075	15	in	in	IN
12787	1075	16	cold	cold	JJ
12787	1075	17	solutions	solution	NNS
12787	1075	18	with	with	IN
12787	1075	19	potassium	potassium	NN
12787	1075	20	permanganate	permanganate	JJ
12787	1075	21	.	.	.
12787	1076	1	It	-PRON-	PRP
12787	1076	2	is	be	VBZ
12787	1076	3	,	,	,
12787	1076	4	however	however	RB
12787	1076	5	,	,	,
12787	1076	6	possible	possible	JJ
12787	1076	7	to	to	TO
12787	1076	8	obtain	obtain	VB
12787	1076	9	a	a	DT
12787	1076	10	satisfactory	satisfactory	NN
12787	1076	11	,	,	,
12787	1076	12	although	although	IN
12787	1076	13	somewhat	somewhat	RB
12787	1076	14	fugitive	fugitive	JJ
12787	1076	15	end	end	NN
12787	1076	16	-	-	HYPH
12787	1076	17	point	point	NN
12787	1076	18	in	in	IN
12787	1076	19	the	the	DT
12787	1076	20	presence	presence	NN
12787	1076	21	of	of	IN
12787	1076	22	manganous	manganous	JJ
12787	1076	23	sulphate	sulphate	NN
12787	1076	24	and	and	CC
12787	1076	25	phosphoric	phosphoric	NN
12787	1076	26	acid	acid	NN
12787	1076	27	.	.	.
12787	1077	1	The	the	DT
12787	1077	2	explanation	explanation	NN
12787	1077	3	of	of	IN
12787	1077	4	the	the	DT
12787	1077	5	part	part	NN
12787	1077	6	played	play	VBN
12787	1077	7	by	by	IN
12787	1077	8	these	these	DT
12787	1077	9	reagents	reagent	NNS
12787	1077	10	is	be	VBZ
12787	1077	11	somewhat	somewhat	RB
12787	1077	12	obscure	obscure	JJ
12787	1077	13	as	as	IN
12787	1077	14	yet	yet	RB
12787	1077	15	.	.	.
12787	1078	1	It	-PRON-	PRP
12787	1078	2	is	be	VBZ
12787	1078	3	possible	possible	JJ
12787	1078	4	that	that	IN
12787	1078	5	an	an	DT
12787	1078	6	intermediate	intermediate	JJ
12787	1078	7	manganic	manganic	JJ
12787	1078	8	compound	compound	NN
12787	1078	9	is	be	VBZ
12787	1078	10	formed	form	VBN
12787	1078	11	which	which	WDT
12787	1078	12	reacts	react	VBZ
12787	1078	13	rapidly	rapidly	RB
12787	1078	14	with	with	IN
12787	1078	15	the	the	DT
12787	1078	16	ferrous	ferrous	JJ
12787	1078	17	compounds	compound	NNS
12787	1078	18	--	--	:
12787	1078	19	thus	thus	RB
12787	1078	20	in	in	IN
12787	1078	21	effect	effect	NN
12787	1078	22	catalyzing	catalyze	VBG
12787	1078	23	the	the	DT
12787	1078	24	oxidizing	oxidizing	JJ
12787	1078	25	process	process	NN
12787	1078	26	.	.	.
12787	1079	1	While	while	IN
12787	1079	2	an	an	DT
12787	1079	3	excess	excess	NN
12787	1079	4	of	of	IN
12787	1079	5	hydrochloric	hydrochloric	JJ
12787	1079	6	acid	acid	NN
12787	1079	7	is	be	VBZ
12787	1079	8	necessary	necessary	JJ
12787	1079	9	for	for	IN
12787	1079	10	the	the	DT
12787	1079	11	successful	successful	JJ
12787	1079	12	reduction	reduction	NN
12787	1079	13	of	of	IN
12787	1079	14	the	the	DT
12787	1079	15	iron	iron	NN
12787	1079	16	by	by	IN
12787	1079	17	stannous	stannous	JJ
12787	1079	18	chloride	chloride	NN
12787	1079	19	,	,	,
12787	1079	20	too	too	RB
12787	1079	21	large	large	JJ
12787	1079	22	an	an	DT
12787	1079	23	amount	amount	NN
12787	1079	24	should	should	MD
12787	1079	25	be	be	VB
12787	1079	26	avoided	avoid	VBN
12787	1079	27	in	in	IN
12787	1079	28	order	order	NN
12787	1079	29	to	to	TO
12787	1079	30	lessen	lessen	VB
12787	1079	31	the	the	DT
12787	1079	32	chance	chance	NN
12787	1079	33	of	of	IN
12787	1079	34	reduction	reduction	NN
12787	1079	35	of	of	IN
12787	1079	36	the	the	DT
12787	1079	37	permanganate	permanganate	NN
12787	1079	38	by	by	IN
12787	1079	39	the	the	DT
12787	1079	40	acid	acid	NN
12787	1079	41	during	during	IN
12787	1079	42	titration	titration	NN
12787	1079	43	.	.	.
12787	1079	44	]	]	-RRB-
12787	1080	1	DETERMINATION	determination	NN
12787	1080	2	OF	of	IN
12787	1080	3	THE	the	DT
12787	1080	4	OXIDIZING	oxidizing	JJ
12787	1080	5	POWER	power	NN
12787	1080	6	OF	of	IN
12787	1080	7	PYROLUSITE	PYROLUSITE	NNS
12787	1080	8	INDIRECT	INDIRECT	NNP
12787	1080	9	OXIDATION	OXIDATION	NNP
12787	1080	10	Pyrolusite	Pyrolusite	NNP
12787	1080	11	,	,	,
12787	1080	12	when	when	WRB
12787	1080	13	pure	pure	JJ
12787	1080	14	,	,	,
12787	1080	15	consists	consist	VBZ
12787	1080	16	of	of	IN
12787	1080	17	manganese	manganese	JJ
12787	1080	18	dioxide	dioxide	NN
12787	1080	19	.	.	.
12787	1081	1	Its	-PRON-	PRP$
12787	1081	2	value	value	NN
12787	1081	3	as	as	IN
12787	1081	4	an	an	DT
12787	1081	5	oxidizing	oxidizing	JJ
12787	1081	6	agent	agent	NN
12787	1081	7	,	,	,
12787	1081	8	and	and	CC
12787	1081	9	for	for	IN
12787	1081	10	the	the	DT
12787	1081	11	production	production	NN
12787	1081	12	of	of	IN
12787	1081	13	chlorine	chlorine	NN
12787	1081	14	,	,	,
12787	1081	15	depends	depend	VBZ
12787	1081	16	upon	upon	IN
12787	1081	17	the	the	DT
12787	1081	18	percentage	percentage	NN
12787	1081	19	of	of	IN
12787	1081	20	MnO_{2	MnO_{2	NNP
12787	1081	21	}	}	-RRB-
12787	1081	22	in	in	IN
12787	1081	23	the	the	DT
12787	1081	24	sample	sample	NN
12787	1081	25	.	.	.
12787	1082	1	This	this	DT
12787	1082	2	percentage	percentage	NN
12787	1082	3	is	be	VBZ
12787	1082	4	determined	determine	VBN
12787	1082	5	by	by	IN
12787	1082	6	an	an	DT
12787	1082	7	indirect	indirect	JJ
12787	1082	8	method	method	NN
12787	1082	9	,	,	,
12787	1082	10	in	in	IN
12787	1082	11	which	which	WDT
12787	1082	12	the	the	DT
12787	1082	13	manganese	manganese	JJ
12787	1082	14	dioxide	dioxide	NN
12787	1082	15	is	be	VBZ
12787	1082	16	reduced	reduce	VBN
12787	1082	17	and	and	CC
12787	1082	18	dissolved	dissolve	VBN
12787	1082	19	by	by	IN
12787	1082	20	an	an	DT
12787	1082	21	excess	excess	NN
12787	1082	22	of	of	IN
12787	1082	23	ferrous	ferrous	JJ
12787	1082	24	sulphate	sulphate	NN
12787	1082	25	or	or	CC
12787	1082	26	oxalic	oxalic	JJ
12787	1082	27	acid	acid	NN
12787	1082	28	in	in	IN
12787	1082	29	the	the	DT
12787	1082	30	presence	presence	NN
12787	1082	31	of	of	IN
12787	1082	32	sulphuric	sulphuric	JJ
12787	1082	33	acid	acid	NN
12787	1082	34	,	,	,
12787	1082	35	and	and	CC
12787	1082	36	the	the	DT
12787	1082	37	unused	unused	JJ
12787	1082	38	excess	excess	NN
12787	1082	39	determined	determine	VBN
12787	1082	40	by	by	IN
12787	1082	41	titration	titration	NN
12787	1082	42	with	with	IN
12787	1082	43	standard	standard	JJ
12787	1082	44	permanganate	permanganate	JJ
12787	1082	45	solution	solution	NN
12787	1082	46	.	.	.
12787	1083	1	PROCEDURE.--Grind	procedure.--grind	VB
12787	1083	2	the	the	DT
12787	1083	3	mineral	mineral	NN
12787	1083	4	in	in	IN
12787	1083	5	an	an	DT
12787	1083	6	agate	agate	JJ
12787	1083	7	mortar	mortar	NN
12787	1083	8	until	until	IN
12787	1083	9	no	no	DT
12787	1083	10	grit	grit	NN
12787	1083	11	whatever	whatever	WDT
12787	1083	12	can	can	MD
12787	1083	13	be	be	VB
12787	1083	14	detected	detect	VBN
12787	1083	15	under	under	IN
12787	1083	16	the	the	DT
12787	1083	17	pestle	pestle	NN
12787	1083	18	(	(	-LRB-
12787	1083	19	Note	note	NN
12787	1083	20	1	1	CD
12787	1083	21	)	)	-RRB-
12787	1083	22	.	.	.
12787	1084	1	Transfer	transfer	VB
12787	1084	2	it	-PRON-	PRP
12787	1084	3	to	to	IN
12787	1084	4	a	a	DT
12787	1084	5	stoppered	stopper	VBN
12787	1084	6	weighing	weighing	NN
12787	1084	7	-	-	HYPH
12787	1084	8	tube	tube	NN
12787	1084	9	,	,	,
12787	1084	10	and	and	CC
12787	1084	11	weigh	weigh	VB
12787	1084	12	out	out	RP
12787	1084	13	two	two	CD
12787	1084	14	portions	portion	NNS
12787	1084	15	of	of	IN
12787	1084	16	about	about	RB
12787	1084	17	0.5	0.5	CD
12787	1084	18	gram	gram	NN
12787	1084	19	into	into	IN
12787	1084	20	beakers	beaker	NNS
12787	1084	21	(	(	-LRB-
12787	1084	22	400	400	CD
12787	1084	23	-	-	SYM
12787	1084	24	500	500	CD
12787	1084	25	cc	cc	NNP
12787	1084	26	.	.	.
12787	1084	27	)	)	-RRB-
12787	1085	1	Read	read	VB
12787	1085	2	Note	Note	NNP
12787	1085	3	2	2	CD
12787	1085	4	,	,	,
12787	1085	5	and	and	CC
12787	1085	6	then	then	RB
12787	1085	7	calculate	calculate	VB
12787	1085	8	in	in	IN
12787	1085	9	each	each	DT
12787	1085	10	case	case	NN
12787	1085	11	the	the	DT
12787	1085	12	weight	weight	NN
12787	1085	13	of	of	IN
12787	1085	14	oxalic	oxalic	JJ
12787	1085	15	acid	acid	NN
12787	1085	16	(	(	-LRB-
12787	1085	17	H_{2}C_{2}O_{4}.2H_{2}O	h_{2}c_{2}o_{4}.2h_{2}o	NN
12787	1085	18	)	)	-RRB-
12787	1085	19	required	require	VBN
12787	1085	20	to	to	TO
12787	1085	21	react	react	VB
12787	1085	22	with	with	IN
12787	1085	23	the	the	DT
12787	1085	24	weights	weight	NNS
12787	1085	25	of	of	IN
12787	1085	26	pyrolusite	pyrolusite	NN
12787	1085	27	taken	take	VBN
12787	1085	28	.	.	.
12787	1086	1	The	the	DT
12787	1086	2	reaction	reaction	NN
12787	1086	3	involved	involve	VBN
12787	1086	4	is	be	VBZ
12787	1086	5	MnO_{2	MnO_{2	NNP
12787	1086	6	}	}	-RRB-
12787	1086	7	+	+	SYM
12787	1086	8	H_{2}C_{2}O_{4}(2H_{2}O	h_{2}c_{2}o_{4}(2h_{2}o	NN
12787	1086	9	)	)	-RRB-
12787	1086	10	+	+	CC
12787	1086	11	H_{2}SO_{4	H_{2}SO_{4	NNP
12787	1086	12	}	}	-RRB-
12787	1086	13	--	--	:
12787	1086	14	>	>	XX
12787	1086	15	MnSO_{4	MnSO_{4	NNP
12787	1086	16	}	}	-RRB-
12787	1086	17	+	+	CC
12787	1086	18	2CO_{2	2CO_{2	NNP
12787	1086	19	}	}	-RRB-
12787	1086	20	+	+	SYM
12787	1086	21	4H_{2}O.	4h_{2}o.	CD
12787	1087	1	Weigh	weigh	VB
12787	1087	2	out	out	RP
12787	1087	3	about	about	RB
12787	1087	4	0.2	0.2	CD
12787	1087	5	gram	gram	NN
12787	1087	6	in	in	IN
12787	1087	7	excess	excess	NN
12787	1087	8	of	of	IN
12787	1087	9	this	this	DT
12787	1087	10	quantity	quantity	NN
12787	1087	11	of	of	IN
12787	1087	12	!	!	.
12787	1087	13	pure	pure	JJ
12787	1087	14	!	!	.
12787	1088	1	oxalic	oxalic	JJ
12787	1088	2	acid	acid	NN
12787	1088	3	into	into	IN
12787	1088	4	the	the	DT
12787	1088	5	corresponding	correspond	VBG
12787	1088	6	beakers	beaker	NNS
12787	1088	7	,	,	,
12787	1088	8	weighing	weigh	VBG
12787	1088	9	the	the	DT
12787	1088	10	acid	acid	NN
12787	1088	11	accurately	accurately	RB
12787	1088	12	and	and	CC
12787	1088	13	recording	record	VBG
12787	1088	14	the	the	DT
12787	1088	15	weight	weight	NN
12787	1088	16	in	in	IN
12787	1088	17	the	the	DT
12787	1088	18	notebook	notebook	NN
12787	1088	19	.	.	.
12787	1089	1	Pour	pour	VB
12787	1089	2	into	into	IN
12787	1089	3	each	each	DT
12787	1089	4	beaker	beaker	NN
12787	1089	5	25	25	CD
12787	1089	6	cc	cc	NN
12787	1089	7	.	.	.
12787	1090	1	of	of	IN
12787	1090	2	water	water	NN
12787	1090	3	and	and	CC
12787	1090	4	50	50	CD
12787	1090	5	cc	cc	NN
12787	1090	6	.	.	.
12787	1091	1	of	of	IN
12787	1091	2	dilute	dilute	NNP
12787	1091	3	sulphuric	sulphuric	NNP
12787	1091	4	acid	acid	NNP
12787	1091	5	(	(	-LRB-
12787	1091	6	1:5	1:5	CD
12787	1091	7	)	)	-RRB-
12787	1091	8	,	,	,
12787	1091	9	cover	cover	VB
12787	1091	10	and	and	CC
12787	1091	11	warm	warm	VB
12787	1091	12	the	the	DT
12787	1091	13	beaker	beaker	NN
12787	1091	14	and	and	CC
12787	1091	15	its	-PRON-	PRP$
12787	1091	16	contents	content	NNS
12787	1091	17	gently	gently	RB
12787	1091	18	until	until	IN
12787	1091	19	the	the	DT
12787	1091	20	evolution	evolution	NN
12787	1091	21	of	of	IN
12787	1091	22	carbon	carbon	NN
12787	1091	23	dioxide	dioxide	NN
12787	1091	24	ceases	cease	NNS
12787	1091	25	(	(	-LRB-
12787	1091	26	Note	note	NN
12787	1091	27	3	3	CD
12787	1091	28	)	)	-RRB-
12787	1091	29	.	.	.
12787	1092	1	If	if	IN
12787	1092	2	a	a	DT
12787	1092	3	residue	residue	NN
12787	1092	4	remains	remain	VBZ
12787	1092	5	which	which	WDT
12787	1092	6	is	be	VBZ
12787	1092	7	sufficiently	sufficiently	RB
12787	1092	8	colored	color	VBN
12787	1092	9	to	to	TO
12787	1092	10	obscure	obscure	VB
12787	1092	11	the	the	DT
12787	1092	12	end	end	NN
12787	1092	13	-	-	HYPH
12787	1092	14	reaction	reaction	NN
12787	1092	15	of	of	IN
12787	1092	16	the	the	DT
12787	1092	17	permanganate	permanganate	NN
12787	1092	18	,	,	,
12787	1092	19	it	-PRON-	PRP
12787	1092	20	must	must	MD
12787	1092	21	be	be	VB
12787	1092	22	removed	remove	VBN
12787	1092	23	by	by	IN
12787	1092	24	filtration	filtration	NN
12787	1092	25	.	.	.
12787	1093	1	Finally	finally	RB
12787	1093	2	,	,	,
12787	1093	3	dilute	dilute	VB
12787	1093	4	the	the	DT
12787	1093	5	solution	solution	NN
12787	1093	6	to	to	IN
12787	1093	7	200	200	CD
12787	1093	8	-	-	SYM
12787	1093	9	300	300	CD
12787	1093	10	cc	cc	NNP
12787	1093	11	.	.	NNP
12787	1093	12	,	,	,
12787	1093	13	heat	heat	VB
12787	1093	14	the	the	DT
12787	1093	15	solution	solution	NN
12787	1093	16	to	to	IN
12787	1093	17	a	a	DT
12787	1093	18	temperature	temperature	NN
12787	1093	19	just	just	RB
12787	1093	20	below	below	IN
12787	1093	21	boiling	boil	VBG
12787	1093	22	,	,	,
12787	1093	23	add	add	VB
12787	1093	24	15	15	CD
12787	1093	25	cc	cc	NN
12787	1093	26	.	.	.
12787	1094	1	of	of	IN
12787	1094	2	a	a	DT
12787	1094	3	manganese	manganese	JJ
12787	1094	4	sulphate	sulphate	NN
12787	1094	5	solution	solution	NN
12787	1094	6	and	and	CC
12787	1094	7	while	while	IN
12787	1094	8	hot	hot	JJ
12787	1094	9	,	,	,
12787	1094	10	titrate	titrate	RB
12787	1094	11	for	for	IN
12787	1094	12	the	the	DT
12787	1094	13	excess	excess	NN
12787	1094	14	of	of	IN
12787	1094	15	the	the	DT
12787	1094	16	oxalic	oxalic	JJ
12787	1094	17	acid	acid	NN
12787	1094	18	with	with	IN
12787	1094	19	standard	standard	JJ
12787	1094	20	permanganate	permanganate	JJ
12787	1094	21	solution	solution	NN
12787	1094	22	(	(	-LRB-
12787	1094	23	Notes	note	NNS
12787	1094	24	4	4	CD
12787	1094	25	and	and	CC
12787	1094	26	5	5	CD
12787	1094	27	)	)	-RRB-
12787	1094	28	.	.	.
12787	1095	1	From	from	IN
12787	1095	2	the	the	DT
12787	1095	3	corrected	correct	VBN
12787	1095	4	volume	volume	NN
12787	1095	5	of	of	IN
12787	1095	6	the	the	DT
12787	1095	7	solution	solution	NN
12787	1095	8	required	require	VBN
12787	1095	9	,	,	,
12787	1095	10	calculate	calculate	VBP
12787	1095	11	the	the	DT
12787	1095	12	amount	amount	NN
12787	1095	13	of	of	IN
12787	1095	14	oxalic	oxalic	JJ
12787	1095	15	acid	acid	NN
12787	1095	16	undecomposed	undecompose	VBN
12787	1095	17	by	by	IN
12787	1095	18	the	the	DT
12787	1095	19	pyrolusite	pyrolusite	NN
12787	1095	20	;	;	:
12787	1095	21	subtract	subtract	VB
12787	1095	22	this	this	DT
12787	1095	23	from	from	IN
12787	1095	24	the	the	DT
12787	1095	25	total	total	JJ
12787	1095	26	quantity	quantity	NN
12787	1095	27	of	of	IN
12787	1095	28	acid	acid	NN
12787	1095	29	used	use	VBN
12787	1095	30	,	,	,
12787	1095	31	and	and	CC
12787	1095	32	calculate	calculate	VB
12787	1095	33	the	the	DT
12787	1095	34	weight	weight	NN
12787	1095	35	of	of	IN
12787	1095	36	manganese	manganese	JJ
12787	1095	37	dioxide	dioxide	NN
12787	1095	38	which	which	WDT
12787	1095	39	would	would	MD
12787	1095	40	react	react	VB
12787	1095	41	with	with	IN
12787	1095	42	the	the	DT
12787	1095	43	balance	balance	NN
12787	1095	44	of	of	IN
12787	1095	45	the	the	DT
12787	1095	46	acid	acid	NN
12787	1095	47	,	,	,
12787	1095	48	and	and	CC
12787	1095	49	from	from	IN
12787	1095	50	this	this	DT
12787	1095	51	the	the	DT
12787	1095	52	percentage	percentage	NN
12787	1095	53	in	in	IN
12787	1095	54	the	the	DT
12787	1095	55	sample	sample	NN
12787	1095	56	.	.	.
12787	1096	1	[	[	-LRB-
12787	1096	2	Note	note	NN
12787	1096	3	1	1	CD
12787	1096	4	:	:	:
12787	1096	5	The	the	DT
12787	1096	6	success	success	NN
12787	1096	7	of	of	IN
12787	1096	8	the	the	DT
12787	1096	9	analysis	analysis	NN
12787	1096	10	is	be	VBZ
12787	1096	11	largely	largely	RB
12787	1096	12	dependent	dependent	JJ
12787	1096	13	upon	upon	IN
12787	1096	14	the	the	DT
12787	1096	15	fineness	fineness	NN
12787	1096	16	of	of	IN
12787	1096	17	the	the	DT
12787	1096	18	powdered	powdered	JJ
12787	1096	19	mineral	mineral	NN
12787	1096	20	.	.	.
12787	1097	1	If	if	IN
12787	1097	2	properly	properly	RB
12787	1097	3	ground	ground	NN
12787	1097	4	,	,	,
12787	1097	5	solution	solution	NN
12787	1097	6	should	should	MD
12787	1097	7	be	be	VB
12787	1097	8	complete	complete	JJ
12787	1097	9	in	in	IN
12787	1097	10	fifteen	fifteen	CD
12787	1097	11	minutes	minute	NNS
12787	1097	12	or	or	CC
12787	1097	13	less	less	JJR
12787	1097	14	.	.	.
12787	1097	15	]	]	-RRB-
12787	1098	1	[	[	-LRB-
12787	1098	2	Note	note	NN
12787	1098	3	2	2	CD
12787	1098	4	:	:	:
12787	1098	5	A	a	DT
12787	1098	6	moderate	moderate	JJ
12787	1098	7	excess	excess	NN
12787	1098	8	of	of	IN
12787	1098	9	oxalic	oxalic	JJ
12787	1098	10	acid	acid	NN
12787	1098	11	above	above	IN
12787	1098	12	that	that	DT
12787	1098	13	required	require	VBD
12787	1098	14	to	to	TO
12787	1098	15	react	react	VB
12787	1098	16	with	with	IN
12787	1098	17	the	the	DT
12787	1098	18	pyrolusite	pyrolusite	NN
12787	1098	19	is	be	VBZ
12787	1098	20	necessary	necessary	JJ
12787	1098	21	to	to	TO
12787	1098	22	promote	promote	VB
12787	1098	23	solution	solution	NN
12787	1098	24	;	;	:
12787	1098	25	otherwise	otherwise	RB
12787	1098	26	the	the	DT
12787	1098	27	residual	residual	JJ
12787	1098	28	quantity	quantity	NN
12787	1098	29	of	of	IN
12787	1098	30	oxalic	oxalic	JJ
12787	1098	31	acid	acid	NN
12787	1098	32	would	would	MD
12787	1098	33	be	be	VB
12787	1098	34	so	so	RB
12787	1098	35	small	small	JJ
12787	1098	36	that	that	IN
12787	1098	37	the	the	DT
12787	1098	38	last	last	JJ
12787	1098	39	particles	particle	NNS
12787	1098	40	of	of	IN
12787	1098	41	the	the	DT
12787	1098	42	mineral	mineral	NN
12787	1098	43	would	would	MD
12787	1098	44	scarcely	scarcely	RB
12787	1098	45	dissolve	dissolve	VB
12787	1098	46	.	.	.
12787	1099	1	It	-PRON-	PRP
12787	1099	2	is	be	VBZ
12787	1099	3	also	also	RB
12787	1099	4	desirable	desirable	JJ
12787	1099	5	that	that	IN
12787	1099	6	a	a	DT
12787	1099	7	sufficient	sufficient	JJ
12787	1099	8	excess	excess	NN
12787	1099	9	of	of	IN
12787	1099	10	the	the	DT
12787	1099	11	acid	acid	NN
12787	1099	12	should	should	MD
12787	1099	13	be	be	VB
12787	1099	14	present	present	JJ
12787	1099	15	to	to	TO
12787	1099	16	react	react	VB
12787	1099	17	with	with	IN
12787	1099	18	a	a	DT
12787	1099	19	considerable	considerable	JJ
12787	1099	20	volume	volume	NN
12787	1099	21	of	of	IN
12787	1099	22	the	the	DT
12787	1099	23	permanganate	permanganate	JJ
12787	1099	24	solution	solution	NN
12787	1099	25	during	during	IN
12787	1099	26	the	the	DT
12787	1099	27	titration	titration	NN
12787	1099	28	,	,	,
12787	1099	29	thus	thus	RB
12787	1099	30	increasing	increase	VBG
12787	1099	31	the	the	DT
12787	1099	32	accuracy	accuracy	NN
12787	1099	33	of	of	IN
12787	1099	34	the	the	DT
12787	1099	35	process	process	NN
12787	1099	36	.	.	.
12787	1100	1	On	on	IN
12787	1100	2	the	the	DT
12787	1100	3	other	other	JJ
12787	1100	4	hand	hand	NN
12787	1100	5	,	,	,
12787	1100	6	the	the	DT
12787	1100	7	excess	excess	NN
12787	1100	8	of	of	IN
12787	1100	9	oxalic	oxalic	JJ
12787	1100	10	acid	acid	NN
12787	1100	11	should	should	MD
12787	1100	12	not	not	RB
12787	1100	13	be	be	VB
12787	1100	14	so	so	RB
12787	1100	15	large	large	JJ
12787	1100	16	as	as	IN
12787	1100	17	to	to	TO
12787	1100	18	react	react	VB
12787	1100	19	with	with	IN
12787	1100	20	more	more	JJR
12787	1100	21	of	of	IN
12787	1100	22	the	the	DT
12787	1100	23	permanganate	permanganate	JJ
12787	1100	24	solution	solution	NN
12787	1100	25	than	than	IN
12787	1100	26	is	be	VBZ
12787	1100	27	contained	contain	VBN
12787	1100	28	in	in	IN
12787	1100	29	a	a	DT
12787	1100	30	50	50	CD
12787	1100	31	cc	cc	NN
12787	1100	32	.	.	.
12787	1101	1	burette	burette	NNP
12787	1101	2	.	.	.
12787	1102	1	If	if	IN
12787	1102	2	the	the	DT
12787	1102	3	pyrolusite	pyrolusite	NN
12787	1102	4	under	under	IN
12787	1102	5	examination	examination	NN
12787	1102	6	is	be	VBZ
12787	1102	7	known	know	VBN
12787	1102	8	to	to	TO
12787	1102	9	be	be	VB
12787	1102	10	of	of	IN
12787	1102	11	high	high	JJ
12787	1102	12	grade	grade	NN
12787	1102	13	,	,	,
12787	1102	14	say	say	VBP
12787	1102	15	80	80	CD
12787	1102	16	per	per	NN
12787	1102	17	cent	cent	NN
12787	1102	18	pure	pure	JJ
12787	1102	19	,	,	,
12787	1102	20	or	or	CC
12787	1102	21	above	above	IN
12787	1102	22	the	the	DT
12787	1102	23	calculation	calculation	NN
12787	1102	24	of	of	IN
12787	1102	25	the	the	DT
12787	1102	26	oxalic	oxalic	JJ
12787	1102	27	acid	acid	NN
12787	1102	28	needed	need	VBN
12787	1102	29	may	may	MD
12787	1102	30	be	be	VB
12787	1102	31	based	base	VBN
12787	1102	32	upon	upon	IN
12787	1102	33	an	an	DT
12787	1102	34	assumption	assumption	NN
12787	1102	35	that	that	IN
12787	1102	36	the	the	DT
12787	1102	37	mineral	mineral	NN
12787	1102	38	is	be	VBZ
12787	1102	39	all	all	DT
12787	1102	40	MnO_{2	MnO_{2	NNP
12787	1102	41	}	}	-RRB-
12787	1102	42	.	.	.
12787	1103	1	If	if	IN
12787	1103	2	the	the	DT
12787	1103	3	quality	quality	NN
12787	1103	4	of	of	IN
12787	1103	5	the	the	DT
12787	1103	6	mineral	mineral	NN
12787	1103	7	is	be	VBZ
12787	1103	8	unknown	unknown	JJ
12787	1103	9	,	,	,
12787	1103	10	it	-PRON-	PRP
12787	1103	11	is	be	VBZ
12787	1103	12	better	well	JJR
12787	1103	13	to	to	TO
12787	1103	14	weigh	weigh	VB
12787	1103	15	out	out	RP
12787	1103	16	three	three	CD
12787	1103	17	portions	portion	NNS
12787	1103	18	instead	instead	RB
12787	1103	19	of	of	IN
12787	1103	20	two	two	CD
12787	1103	21	and	and	CC
12787	1103	22	to	to	TO
12787	1103	23	add	add	VB
12787	1103	24	to	to	IN
12787	1103	25	one	one	CD
12787	1103	26	of	of	IN
12787	1103	27	these	these	DT
12787	1103	28	the	the	DT
12787	1103	29	amount	amount	NN
12787	1103	30	of	of	IN
12787	1103	31	oxalic	oxalic	JJ
12787	1103	32	prescribed	prescribe	VBN
12787	1103	33	,	,	,
12787	1103	34	assuming	assume	VBG
12787	1103	35	complete	complete	JJ
12787	1103	36	purity	purity	NN
12787	1103	37	of	of	IN
12787	1103	38	the	the	DT
12787	1103	39	mineral	mineral	NN
12787	1103	40	.	.	.
12787	1104	1	Then	then	RB
12787	1104	2	run	run	VB
12787	1104	3	in	in	IN
12787	1104	4	the	the	DT
12787	1104	5	permanganate	permanganate	JJ
12787	1104	6	solution	solution	NN
12787	1104	7	from	from	IN
12787	1104	8	a	a	DT
12787	1104	9	pipette	pipette	NN
12787	1104	10	or	or	CC
12787	1104	11	burette	burette	NN
12787	1104	12	to	to	TO
12787	1104	13	determine	determine	VB
12787	1104	14	roughly	roughly	RB
12787	1104	15	the	the	DT
12787	1104	16	amount	amount	NN
12787	1104	17	required	require	VBN
12787	1104	18	.	.	.
12787	1105	1	If	if	IN
12787	1105	2	the	the	DT
12787	1105	3	volume	volume	NN
12787	1105	4	exceeds	exceed	VBZ
12787	1105	5	the	the	DT
12787	1105	6	contents	content	NNS
12787	1105	7	of	of	IN
12787	1105	8	a	a	DT
12787	1105	9	burette	burette	NN
12787	1105	10	,	,	,
12787	1105	11	the	the	DT
12787	1105	12	amount	amount	NN
12787	1105	13	of	of	IN
12787	1105	14	oxalic	oxalic	JJ
12787	1105	15	acid	acid	NN
12787	1105	16	added	add	VBN
12787	1105	17	to	to	IN
12787	1105	18	the	the	DT
12787	1105	19	other	other	JJ
12787	1105	20	two	two	CD
12787	1105	21	portions	portion	NNS
12787	1105	22	is	be	VBZ
12787	1105	23	reduced	reduce	VBN
12787	1105	24	accordingly	accordingly	RB
12787	1105	25	.	.	.
12787	1105	26	]	]	-RRB-
12787	1106	1	[	[	-LRB-
12787	1106	2	Note	note	NN
12787	1106	3	3	3	CD
12787	1106	4	:	:	:
12787	1106	5	Care	care	NN
12787	1106	6	should	should	MD
12787	1106	7	be	be	VB
12787	1106	8	taken	take	VBN
12787	1106	9	that	that	IN
12787	1106	10	the	the	DT
12787	1106	11	sides	side	NNS
12787	1106	12	of	of	IN
12787	1106	13	the	the	DT
12787	1106	14	beaker	beaker	NN
12787	1106	15	are	be	VBP
12787	1106	16	not	not	RB
12787	1106	17	overheated	overheat	VBN
12787	1106	18	,	,	,
12787	1106	19	as	as	IN
12787	1106	20	oxalic	oxalic	JJ
12787	1106	21	acid	acid	NN
12787	1106	22	would	would	MD
12787	1106	23	be	be	VB
12787	1106	24	decomposed	decompose	VBN
12787	1106	25	by	by	IN
12787	1106	26	heat	heat	NN
12787	1106	27	alone	alone	RB
12787	1106	28	if	if	IN
12787	1106	29	crystallization	crystallization	NN
12787	1106	30	should	should	MD
12787	1106	31	occur	occur	VB
12787	1106	32	on	on	IN
12787	1106	33	the	the	DT
12787	1106	34	sides	side	NNS
12787	1106	35	of	of	IN
12787	1106	36	the	the	DT
12787	1106	37	vessel	vessel	NN
12787	1106	38	.	.	.
12787	1107	1	Strong	strong	JJ
12787	1107	2	sulphuric	sulphuric	JJ
12787	1107	3	acid	acid	NN
12787	1107	4	also	also	RB
12787	1107	5	decomposes	decompose	VBZ
12787	1107	6	the	the	DT
12787	1107	7	oxalic	oxalic	JJ
12787	1107	8	acid	acid	NN
12787	1107	9	.	.	.
12787	1108	1	The	the	DT
12787	1108	2	dilute	dilute	NN
12787	1108	3	acid	acid	NN
12787	1108	4	should	should	MD
12787	1108	5	,	,	,
12787	1108	6	therefore	therefore	RB
12787	1108	7	,	,	,
12787	1108	8	be	be	VB
12787	1108	9	prepared	prepare	VBN
12787	1108	10	before	before	IN
12787	1108	11	it	-PRON-	PRP
12787	1108	12	is	be	VBZ
12787	1108	13	poured	pour	VBN
12787	1108	14	into	into	IN
12787	1108	15	the	the	DT
12787	1108	16	beaker	beaker	NN
12787	1108	17	.	.	.
12787	1108	18	]	]	-RRB-
12787	1109	1	[	[	-LRB-
12787	1109	2	Note	note	NN
12787	1109	3	4	4	CD
12787	1109	4	:	:	:
12787	1109	5	Ferrous	ferrous	JJ
12787	1109	6	ammonium	ammonium	NN
12787	1109	7	sulphate	sulphate	NN
12787	1109	8	,	,	,
12787	1109	9	ferrous	ferrous	JJ
12787	1109	10	sulphate	sulphate	NN
12787	1109	11	,	,	,
12787	1109	12	or	or	CC
12787	1109	13	iron	iron	NN
12787	1109	14	wire	wire	NN
12787	1109	15	may	may	MD
12787	1109	16	be	be	VB
12787	1109	17	substituted	substitute	VBN
12787	1109	18	for	for	IN
12787	1109	19	the	the	DT
12787	1109	20	oxalic	oxalic	JJ
12787	1109	21	acid	acid	NN
12787	1109	22	.	.	.
12787	1110	1	The	the	DT
12787	1110	2	reaction	reaction	NN
12787	1110	3	is	be	VBZ
12787	1110	4	then	then	RB
12787	1110	5	the	the	DT
12787	1110	6	following	follow	VBG
12787	1110	7	:	:	:
12787	1110	8	2	2	CD
12787	1110	9	FeSO_{4	feso_{4	NN
12787	1110	10	}	}	-RRB-
12787	1110	11	+	+	CC
12787	1110	12	MnO_{2	MnO_{2	NNP
12787	1110	13	}	}	-RRB-
12787	1110	14	+	+	SYM
12787	1110	15	2H_{2}SO_{4	2h_{2}so_{4	CD
12787	1110	16	}	}	-RRB-
12787	1110	17	--	--	:
12787	1110	18	>	>	XX
12787	1110	19	Fe_{2}(SO_{4})_{3	Fe_{2}(SO_{4})_{3	NNP
12787	1110	20	}	}	-RRB-
12787	1110	21	+	+	CC
12787	1110	22	2H_{2}O	2h_{2}o	CD
12787	1110	23	The	the	DT
12787	1110	24	excess	excess	NN
12787	1110	25	of	of	IN
12787	1110	26	ferrous	ferrous	JJ
12787	1110	27	iron	iron	NN
12787	1110	28	may	may	MD
12787	1110	29	also	also	RB
12787	1110	30	be	be	VB
12787	1110	31	determined	determine	VBN
12787	1110	32	by	by	IN
12787	1110	33	titration	titration	NN
12787	1110	34	with	with	IN
12787	1110	35	potassium	potassium	NN
12787	1110	36	bichromate	bichromate	NN
12787	1110	37	,	,	,
12787	1110	38	if	if	IN
12787	1110	39	desired	desire	VBN
12787	1110	40	.	.	.
12787	1111	1	Care	care	NN
12787	1111	2	is	be	VBZ
12787	1111	3	required	require	VBN
12787	1111	4	to	to	TO
12787	1111	5	prevent	prevent	VB
12787	1111	6	the	the	DT
12787	1111	7	oxidation	oxidation	NN
12787	1111	8	of	of	IN
12787	1111	9	the	the	DT
12787	1111	10	iron	iron	NN
12787	1111	11	by	by	IN
12787	1111	12	the	the	DT
12787	1111	13	air	air	NN
12787	1111	14	,	,	,
12787	1111	15	if	if	IN
12787	1111	16	ferrous	ferrous	JJ
12787	1111	17	salts	salt	NNS
12787	1111	18	are	be	VBP
12787	1111	19	employed	employ	VBN
12787	1111	20	.	.	.
12787	1111	21	]	]	-RRB-
12787	1112	1	[	[	-LRB-
12787	1112	2	Note	note	NN
12787	1112	3	5	5	CD
12787	1112	4	:	:	:
12787	1112	5	The	the	DT
12787	1112	6	oxidizing	oxidizing	JJ
12787	1112	7	power	power	NN
12787	1112	8	of	of	IN
12787	1112	9	pyrolusite	pyrolusite	NN
12787	1112	10	may	may	MD
12787	1112	11	be	be	VB
12787	1112	12	determined	determine	VBN
12787	1112	13	by	by	IN
12787	1112	14	other	other	JJ
12787	1112	15	volumetric	volumetric	NN
12787	1112	16	processes	process	NNS
12787	1112	17	,	,	,
12787	1112	18	one	one	CD
12787	1112	19	of	of	IN
12787	1112	20	which	which	WDT
12787	1112	21	is	be	VBZ
12787	1112	22	outlined	outline	VBN
12787	1112	23	in	in	IN
12787	1112	24	the	the	DT
12787	1112	25	following	following	JJ
12787	1112	26	reactions	reaction	NNS
12787	1112	27	:	:	:
12787	1112	28	MnO_{2	MnO_{2	NNP
12787	1112	29	}	}	-RRB-
12787	1112	30	+	+	SYM
12787	1112	31	4HCl	4HCl	NNS
12787	1112	32	--	--	:
12787	1112	33	>	>	XX
12787	1112	34	MnCl_{2	MnCl_{2	NNP
12787	1112	35	}	}	-RRB-
12787	1112	36	+	+	CC
12787	1112	37	Cl_{2	cl_{2	NN
12787	1112	38	}	}	-RRB-
12787	1112	39	+	+	CC
12787	1112	40	2H_{2}O	2h_{2}o	CD
12787	1112	41	Cl_{2	Cl_{2	NNS
12787	1112	42	}	}	-RRB-
12787	1112	43	+	+	CC
12787	1112	44	2KI	2ki	CD
12787	1112	45	--	--	:
12787	1112	46	>	>	XX
12787	1112	47	I_{2	I_{2	NNP
12787	1112	48	}	}	-RRB-
12787	1112	49	+	+	NFP
12787	1112	50	2KCl	2KCl	,
12787	1112	51	I_{2	I_{2	NNP
12787	1112	52	}	}	-RRB-
12787	1112	53	+	+	CC
12787	1112	54	2Na_{2}S_{2}O_{3	2na_{2}s_{2}o_{3	CD
12787	1112	55	}	}	-RRB-
12787	1112	56	--	--	:
12787	1112	57	>	>	XX
12787	1112	58	Na_{2}S_{4}O_{6	na_{2}s_{4}o_{6	XX
12787	1112	59	}	}	-RRB-
12787	1112	60	+	+	SYM
12787	1112	61	2NaI.	2nai.	CD
12787	1113	1	The	the	DT
12787	1113	2	chlorine	chlorine	NN
12787	1113	3	generated	generate	VBN
12787	1113	4	by	by	IN
12787	1113	5	the	the	DT
12787	1113	6	pyrolusite	pyrolusite	NN
12787	1113	7	is	be	VBZ
12787	1113	8	passed	pass	VBN
12787	1113	9	into	into	IN
12787	1113	10	a	a	DT
12787	1113	11	solution	solution	NN
12787	1113	12	of	of	IN
12787	1113	13	potassium	potassium	NN
12787	1113	14	iodide	iodide	NN
12787	1113	15	.	.	.
12787	1114	1	The	the	DT
12787	1114	2	liberated	liberated	JJ
12787	1114	3	iodine	iodine	NN
12787	1114	4	is	be	VBZ
12787	1114	5	then	then	RB
12787	1114	6	determined	determine	VBN
12787	1114	7	by	by	IN
12787	1114	8	titration	titration	NN
12787	1114	9	with	with	IN
12787	1114	10	sodium	sodium	NN
12787	1114	11	thiosulphate	thiosulphate	NN
12787	1114	12	,	,	,
12787	1114	13	as	as	IN
12787	1114	14	described	describe	VBN
12787	1114	15	on	on	IN
12787	1114	16	page	page	NN
12787	1114	17	78	78	CD
12787	1114	18	.	.	.
12787	1115	1	This	this	DT
12787	1115	2	is	be	VBZ
12787	1115	3	a	a	DT
12787	1115	4	direct	direct	JJ
12787	1115	5	process	process	NN
12787	1115	6	,	,	,
12787	1115	7	although	although	IN
12787	1115	8	it	-PRON-	PRP
12787	1115	9	involves	involve	VBZ
12787	1115	10	three	three	CD
12787	1115	11	steps	step	NNS
12787	1115	12	.	.	.
12787	1115	13	]	]	-RRB-
12787	1116	1	IODIMETRY	IODIMETRY	NNP
12787	1116	2	The	the	DT
12787	1116	3	titration	titration	NN
12787	1116	4	of	of	IN
12787	1116	5	iodine	iodine	NN
12787	1116	6	against	against	IN
12787	1116	7	sodium	sodium	NN
12787	1116	8	thiosulphate	thiosulphate	NN
12787	1116	9	,	,	,
12787	1116	10	with	with	IN
12787	1116	11	starch	starch	NN
12787	1116	12	as	as	IN
12787	1116	13	an	an	DT
12787	1116	14	indicator	indicator	NN
12787	1116	15	,	,	,
12787	1116	16	may	may	MD
12787	1116	17	perhaps	perhaps	RB
12787	1116	18	be	be	VB
12787	1116	19	regarded	regard	VBN
12787	1116	20	as	as	IN
12787	1116	21	the	the	DT
12787	1116	22	most	most	RBS
12787	1116	23	accurate	accurate	JJ
12787	1116	24	of	of	IN
12787	1116	25	volumetric	volumetric	NN
12787	1116	26	processes	process	NNS
12787	1116	27	.	.	.
12787	1117	1	The	the	DT
12787	1117	2	thiosulphate	thiosulphate	NN
12787	1117	3	solution	solution	NN
12787	1117	4	may	may	MD
12787	1117	5	be	be	VB
12787	1117	6	used	use	VBN
12787	1117	7	in	in	IN
12787	1117	8	both	both	CC
12787	1117	9	acid	acid	NN
12787	1117	10	and	and	CC
12787	1117	11	neutral	neutral	JJ
12787	1117	12	solutions	solution	NNS
12787	1117	13	to	to	TO
12787	1117	14	measure	measure	VB
12787	1117	15	free	free	JJ
12787	1117	16	iodine	iodine	NN
12787	1117	17	and	and	CC
12787	1117	18	the	the	DT
12787	1117	19	latter	latter	JJ
12787	1117	20	may	may	MD
12787	1117	21	,	,	,
12787	1117	22	in	in	IN
12787	1117	23	turn	turn	NN
12787	1117	24	,	,	,
12787	1117	25	serve	serve	VBP
12787	1117	26	as	as	IN
12787	1117	27	a	a	DT
12787	1117	28	measure	measure	NN
12787	1117	29	of	of	IN
12787	1117	30	any	any	DT
12787	1117	31	substance	substance	NN
12787	1117	32	capable	capable	JJ
12787	1117	33	of	of	IN
12787	1117	34	liberating	liberate	VBG
12787	1117	35	iodine	iodine	NN
12787	1117	36	from	from	IN
12787	1117	37	potassium	potassium	NN
12787	1117	38	iodide	iodide	NN
12787	1117	39	under	under	IN
12787	1117	40	suitable	suitable	JJ
12787	1117	41	conditions	condition	NNS
12787	1117	42	for	for	IN
12787	1117	43	titration	titration	NN
12787	1117	44	,	,	,
12787	1117	45	as	as	IN
12787	1117	46	,	,	,
12787	1117	47	for	for	IN
12787	1117	48	example	example	NN
12787	1117	49	,	,	,
12787	1117	50	in	in	IN
12787	1117	51	the	the	DT
12787	1117	52	process	process	NN
12787	1117	53	outlined	outline	VBN
12787	1117	54	in	in	IN
12787	1117	55	Note	Note	NNP
12787	1117	56	5	5	CD
12787	1117	57	on	on	IN
12787	1117	58	page	page	NN
12787	1117	59	74	74	CD
12787	1117	60	.	.	.
12787	1118	1	The	the	DT
12787	1118	2	fundamental	fundamental	JJ
12787	1118	3	reaction	reaction	NN
12787	1118	4	upon	upon	IN
12787	1118	5	which	which	WDT
12787	1118	6	iodometric	iodometric	JJ
12787	1118	7	processes	process	NNS
12787	1118	8	are	be	VBP
12787	1118	9	based	base	VBN
12787	1118	10	is	be	VBZ
12787	1118	11	the	the	DT
12787	1118	12	following	follow	VBG
12787	1118	13	:	:	:
12787	1118	14	I_{2	I_{2	NNP
12787	1118	15	}	}	-RRB-
12787	1118	16	+	+	CC
12787	1118	17	2	2	CD
12787	1118	18	Na_{2}S_{2}O_{3	na_{2}s_{2}o_{3	CD
12787	1118	19	}	}	-RRB-
12787	1118	20	--	--	:
12787	1118	21	>	>	XX
12787	1118	22	2	2	CD
12787	1118	23	NaI	NaI	NNP
12787	1118	24	+	+	SYM
12787	1118	25	Na_{2}S_{4}O_{6	Na_{2}S_{4}O_{6	NNS
12787	1118	26	}	}	-RRB-
12787	1118	27	.	.	.
12787	1119	1	This	this	DT
12787	1119	2	reaction	reaction	NN
12787	1119	3	between	between	IN
12787	1119	4	iodine	iodine	NN
12787	1119	5	and	and	CC
12787	1119	6	sodium	sodium	NN
12787	1119	7	thiosulphate	thiosulphate	NN
12787	1119	8	,	,	,
12787	1119	9	resulting	result	VBG
12787	1119	10	in	in	IN
12787	1119	11	the	the	DT
12787	1119	12	formation	formation	NN
12787	1119	13	of	of	IN
12787	1119	14	the	the	DT
12787	1119	15	compound	compound	NN
12787	1119	16	Na_{2}S_{4}O_{6	Na_{2}S_{4}O_{6	NNS
12787	1119	17	}	}	-RRB-
12787	1119	18	,	,	,
12787	1119	19	called	call	VBN
12787	1119	20	sodium	sodium	NN
12787	1119	21	tetrathionate	tetrathionate	NN
12787	1119	22	,	,	,
12787	1119	23	is	be	VBZ
12787	1119	24	quantitatively	quantitatively	RB
12787	1119	25	exact	exact	JJ
12787	1119	26	,	,	,
12787	1119	27	and	and	CC
12787	1119	28	differs	differ	NNS
12787	1119	29	in	in	IN
12787	1119	30	that	that	DT
12787	1119	31	respect	respect	NN
12787	1119	32	from	from	IN
12787	1119	33	the	the	DT
12787	1119	34	action	action	NN
12787	1119	35	of	of	IN
12787	1119	36	chlorine	chlorine	NN
12787	1119	37	or	or	CC
12787	1119	38	bromine	bromine	NN
12787	1119	39	,	,	,
12787	1119	40	which	which	WDT
12787	1119	41	oxidize	oxidize	VBP
12787	1119	42	the	the	DT
12787	1119	43	thiosulphate	thiosulphate	NN
12787	1119	44	,	,	,
12787	1119	45	but	but	CC
12787	1119	46	not	not	RB
12787	1119	47	quantitatively	quantitatively	RB
12787	1119	48	.	.	.
12787	1120	1	NORMAL	normal	JJ
12787	1120	2	SOLUTIONS	SOLUTIONS	NNP
12787	1120	3	OF	of	IN
12787	1120	4	IODINE	IODINE	NNP
12787	1120	5	AND	and	CC
12787	1120	6	SODIUM	SODIUM	NNP
12787	1120	7	THIOSULPHATE	THIOSULPHATE	NNP
12787	1120	8	If	if	IN
12787	1120	9	the	the	DT
12787	1120	10	formulas	formula	NNS
12787	1120	11	of	of	IN
12787	1120	12	sodium	sodium	NN
12787	1120	13	thiosulphate	thiosulphate	NN
12787	1120	14	and	and	CC
12787	1120	15	sodium	sodium	NN
12787	1120	16	tetrathionate	tetrathionate	NN
12787	1120	17	are	be	VBP
12787	1120	18	written	write	VBN
12787	1120	19	in	in	IN
12787	1120	20	a	a	DT
12787	1120	21	manner	manner	NN
12787	1120	22	to	to	TO
12787	1120	23	show	show	VB
12787	1120	24	the	the	DT
12787	1120	25	atoms	atom	NNS
12787	1120	26	of	of	IN
12787	1120	27	oxygen	oxygen	NN
12787	1120	28	associated	associate	VBN
12787	1120	29	with	with	IN
12787	1120	30	sulphur	sulphur	NNP
12787	1120	31	atoms	atom	NNS
12787	1120	32	in	in	IN
12787	1120	33	each	each	DT
12787	1120	34	,	,	,
12787	1120	35	thus	thus	RB
12787	1120	36	,	,	,
12787	1120	37	2(Na_{2}).S_{2}O_{2	2(na_{2}).s_{2}o_{2	CD
12787	1120	38	}	}	-RRB-
12787	1120	39	and	and	CC
12787	1120	40	Na_{2}O.S_{4}O_{5	Na_{2}O.S_{4}O_{5	NNP
12787	1120	41	}	}	-RRB-
12787	1120	42	,	,	,
12787	1120	43	it	-PRON-	PRP
12787	1120	44	is	be	VBZ
12787	1120	45	plain	plain	JJ
12787	1120	46	that	that	IN
12787	1120	47	in	in	IN
12787	1120	48	the	the	DT
12787	1120	49	tetrathionate	tetrathionate	NN
12787	1120	50	there	there	EX
12787	1120	51	are	be	VBP
12787	1120	52	five	five	CD
12787	1120	53	atoms	atom	NNS
12787	1120	54	of	of	IN
12787	1120	55	oxygen	oxygen	NN
12787	1120	56	associated	associate	VBN
12787	1120	57	with	with	IN
12787	1120	58	sulphur	sulphur	NNP
12787	1120	59	,	,	,
12787	1120	60	instead	instead	RB
12787	1120	61	of	of	IN
12787	1120	62	the	the	DT
12787	1120	63	four	four	CD
12787	1120	64	in	in	IN
12787	1120	65	the	the	DT
12787	1120	66	two	two	CD
12787	1120	67	molecules	molecule	NNS
12787	1120	68	of	of	IN
12787	1120	69	the	the	DT
12787	1120	70	thiosulphate	thiosulphate	NN
12787	1120	71	taken	take	VBN
12787	1120	72	together	together	RB
12787	1120	73	.	.	.
12787	1121	1	Although	although	IN
12787	1121	2	,	,	,
12787	1121	3	therefore	therefore	RB
12787	1121	4	,	,	,
12787	1121	5	the	the	DT
12787	1121	6	iodine	iodine	NN
12787	1121	7	contains	contain	VBZ
12787	1121	8	no	no	DT
12787	1121	9	oxygen	oxygen	NN
12787	1121	10	,	,	,
12787	1121	11	the	the	DT
12787	1121	12	two	two	CD
12787	1121	13	atoms	atom	NNS
12787	1121	14	of	of	IN
12787	1121	15	iodine	iodine	NN
12787	1121	16	have	have	VBP
12787	1121	17	,	,	,
12787	1121	18	in	in	IN
12787	1121	19	effect	effect	NN
12787	1121	20	,	,	,
12787	1121	21	brought	bring	VBD
12787	1121	22	about	about	RP
12787	1121	23	the	the	DT
12787	1121	24	addition	addition	NN
12787	1121	25	of	of	IN
12787	1121	26	one	one	CD
12787	1121	27	oxygen	oxygen	NN
12787	1121	28	atoms	atom	NNS
12787	1121	29	to	to	IN
12787	1121	30	the	the	DT
12787	1121	31	sulphur	sulphur	NN
12787	1121	32	atoms	atom	NNS
12787	1121	33	.	.	.
12787	1122	1	That	that	DT
12787	1122	2	is	be	VBZ
12787	1122	3	the	the	DT
12787	1122	4	same	same	JJ
12787	1122	5	thing	thing	NN
12787	1122	6	as	as	IN
12787	1122	7	saying	say	VBG
12787	1122	8	that	that	IN
12787	1122	9	253.84	253.84	CD
12787	1122	10	grams	gram	NNS
12787	1122	11	of	of	IN
12787	1122	12	iodine	iodine	NN
12787	1122	13	(	(	-LRB-
12787	1122	14	I_{2	I_{2	NNP
12787	1122	15	}	}	-RRB-
12787	1122	16	)	)	-RRB-
12787	1122	17	are	be	VBP
12787	1122	18	equivalent	equivalent	JJ
12787	1122	19	to	to	IN
12787	1122	20	16	16	CD
12787	1122	21	grams	gram	NNS
12787	1122	22	of	of	IN
12787	1122	23	oxygen	oxygen	NN
12787	1122	24	;	;	:
12787	1122	25	hence	hence	RB
12787	1122	26	,	,	,
12787	1122	27	since	since	IN
12787	1122	28	8	8	CD
12787	1122	29	grams	gram	NNS
12787	1122	30	of	of	IN
12787	1122	31	oxygen	oxygen	NN
12787	1122	32	is	be	VBZ
12787	1122	33	the	the	DT
12787	1122	34	basis	basis	NN
12787	1122	35	of	of	IN
12787	1122	36	normal	normal	JJ
12787	1122	37	solutions	solution	NNS
12787	1122	38	,	,	,
12787	1122	39	253.84/2	253.84/2	CD
12787	1122	40	or	or	CC
12787	1122	41	126.97	126.97	CD
12787	1122	42	grams	gram	NNS
12787	1122	43	of	of	IN
12787	1122	44	iodine	iodine	NN
12787	1122	45	should	should	MD
12787	1122	46	be	be	VB
12787	1122	47	contained	contain	VBN
12787	1122	48	in	in	IN
12787	1122	49	one	one	CD
12787	1122	50	liter	liter	NN
12787	1122	51	of	of	IN
12787	1122	52	normal	normal	JJ
12787	1122	53	iodine	iodine	NN
12787	1122	54	solution	solution	NN
12787	1122	55	.	.	.
12787	1123	1	By	by	IN
12787	1123	2	a	a	DT
12787	1123	3	similar	similar	JJ
12787	1123	4	course	course	NN
12787	1123	5	of	of	IN
12787	1123	6	reasoning	reason	VBG
12787	1123	7	the	the	DT
12787	1123	8	conclusion	conclusion	NN
12787	1123	9	is	be	VBZ
12787	1123	10	reached	reach	VBN
12787	1123	11	that	that	IN
12787	1123	12	the	the	DT
12787	1123	13	normal	normal	JJ
12787	1123	14	solution	solution	NN
12787	1123	15	of	of	IN
12787	1123	16	sodium	sodium	NN
12787	1123	17	thiosulphate	thiosulphate	NN
12787	1123	18	should	should	MD
12787	1123	19	contain	contain	VB
12787	1123	20	,	,	,
12787	1123	21	per	per	IN
12787	1123	22	liter	liter	NN
12787	1123	23	,	,	,
12787	1123	24	its	-PRON-	PRP$
12787	1123	25	molecular	molecular	JJ
12787	1123	26	weight	weight	NN
12787	1123	27	in	in	IN
12787	1123	28	grams	gram	NNS
12787	1123	29	.	.	.
12787	1124	1	As	as	IN
12787	1124	2	the	the	DT
12787	1124	3	thiosulphate	thiosulphate	NN
12787	1124	4	in	in	IN
12787	1124	5	crystalline	crystalline	NN
12787	1124	6	form	form	NN
12787	1124	7	has	have	VBZ
12787	1124	8	the	the	DT
12787	1124	9	formula	formula	NN
12787	1124	10	Na_{2}S_{2}O_{3}.5H_{2}O	Na_{2}S_{2}O_{3}.5H_{2}O	NNPS
12787	1124	11	,	,	,
12787	1124	12	this	this	DT
12787	1124	13	weight	weight	NN
12787	1124	14	is	be	VBZ
12787	1124	15	248.12	248.12	CD
12787	1124	16	grams	gram	NNS
12787	1124	17	.	.	.
12787	1125	1	Tenth	tenth	JJ
12787	1125	2	-	-	HYPH
12787	1125	3	normal	normal	JJ
12787	1125	4	or	or	CC
12787	1125	5	hundredth	hundredth	JJ
12787	1125	6	-	-	HYPH
12787	1125	7	normal	normal	JJ
12787	1125	8	solutions	solution	NNS
12787	1125	9	are	be	VBP
12787	1125	10	generally	generally	RB
12787	1125	11	used	use	VBN
12787	1125	12	.	.	.
12787	1126	1	PREPARATION	preparation	NN
12787	1126	2	OF	of	IN
12787	1126	3	STANDARD	STANDARD	NNP
12787	1126	4	SOLUTIONS	SOLUTIONS	NNP
12787	1126	5	!	!	.
12787	1126	6	Approximate	Approximate	NNP
12787	1126	7	Strength	Strength	NNP
12787	1126	8	,	,	,
12787	1126	9	0.1	0.1	CD
12787	1126	10	N	n	CD
12787	1126	11	!	!	.
12787	1127	1	PROCEDURE.--Weigh	procedure.--weigh	VB
12787	1127	2	out	out	RP
12787	1127	3	on	on	IN
12787	1127	4	the	the	DT
12787	1127	5	rough	rough	JJ
12787	1127	6	balances	balance	NNS
12787	1127	7	13	13	CD
12787	1127	8	grams	gram	NNS
12787	1127	9	of	of	IN
12787	1127	10	commercial	commercial	JJ
12787	1127	11	iodine	iodine	NN
12787	1127	12	.	.	.
12787	1128	1	Place	place	VB
12787	1128	2	it	-PRON-	PRP
12787	1128	3	in	in	IN
12787	1128	4	a	a	DT
12787	1128	5	mortar	mortar	NN
12787	1128	6	with	with	IN
12787	1128	7	18	18	CD
12787	1128	8	grams	gram	NNS
12787	1128	9	of	of	IN
12787	1128	10	potassium	potassium	NN
12787	1128	11	iodide	iodide	NN
12787	1128	12	and	and	CC
12787	1128	13	triturate	triturate	VB
12787	1128	14	with	with	IN
12787	1128	15	small	small	JJ
12787	1128	16	portions	portion	NNS
12787	1128	17	of	of	IN
12787	1128	18	water	water	NN
12787	1128	19	until	until	IN
12787	1128	20	all	all	DT
12787	1128	21	is	be	VBZ
12787	1128	22	dissolved	dissolve	VBN
12787	1128	23	.	.	.
12787	1129	1	Dilute	dilute	VB
12787	1129	2	the	the	DT
12787	1129	3	solution	solution	NN
12787	1129	4	to	to	IN
12787	1129	5	1000	1000	CD
12787	1129	6	cc	cc	NNP
12787	1129	7	.	.	.
12787	1130	1	and	and	CC
12787	1130	2	transfer	transfer	VB
12787	1130	3	to	to	IN
12787	1130	4	a	a	DT
12787	1130	5	liter	liter	NN
12787	1130	6	bottle	bottle	NN
12787	1130	7	and	and	CC
12787	1130	8	mix	mix	VB
12787	1130	9	thoroughly	thoroughly	RB
12787	1130	10	(	(	-LRB-
12787	1130	11	Note	note	NN
12787	1130	12	1	1	CD
12787	1130	13	)	)	-RRB-
12787	1130	14	.	.	.
12787	1131	1	[	[	-LRB-
12787	1131	2	1	1	CD
12787	1131	3	]	]	-RRB-
12787	1131	4	[	[	-LRB-
12787	1131	5	Footnote	footnote	NN
12787	1131	6	1	1	CD
12787	1131	7	:	:	:
12787	1131	8	It	-PRON-	PRP
12787	1131	9	will	will	MD
12787	1131	10	be	be	VB
12787	1131	11	found	find	VBN
12787	1131	12	more	more	RBR
12787	1131	13	economical	economical	JJ
12787	1131	14	to	to	TO
12787	1131	15	have	have	VB
12787	1131	16	a	a	DT
12787	1131	17	considerable	considerable	JJ
12787	1131	18	quantity	quantity	NN
12787	1131	19	of	of	IN
12787	1131	20	the	the	DT
12787	1131	21	solution	solution	NN
12787	1131	22	prepared	prepare	VBN
12787	1131	23	by	by	IN
12787	1131	24	a	a	DT
12787	1131	25	laboratory	laboratory	NN
12787	1131	26	attendant	attendant	NN
12787	1131	27	,	,	,
12787	1131	28	and	and	CC
12787	1131	29	to	to	TO
12787	1131	30	have	have	VB
12787	1131	31	all	all	DT
12787	1131	32	unused	unused	JJ
12787	1131	33	solutions	solution	NNS
12787	1131	34	returned	return	VBN
12787	1131	35	to	to	IN
12787	1131	36	the	the	DT
12787	1131	37	common	common	JJ
12787	1131	38	stock	stock	NN
12787	1131	39	.	.	.
12787	1131	40	]	]	-RRB-
12787	1132	1	Weigh	weigh	VB
12787	1132	2	out	out	RP
12787	1132	3	25	25	CD
12787	1132	4	grams	gram	NNS
12787	1132	5	of	of	IN
12787	1132	6	sodium	sodium	NN
12787	1132	7	thiosulphate	thiosulphate	NN
12787	1132	8	,	,	,
12787	1132	9	dissolve	dissolve	VB
12787	1132	10	it	-PRON-	PRP
12787	1132	11	in	in	IN
12787	1132	12	water	water	NN
12787	1132	13	which	which	WDT
12787	1132	14	has	have	VBZ
12787	1132	15	been	be	VBN
12787	1132	16	previously	previously	RB
12787	1132	17	boiled	boil	VBN
12787	1132	18	and	and	CC
12787	1132	19	cooled	cool	VBN
12787	1132	20	,	,	,
12787	1132	21	and	and	CC
12787	1132	22	dilute	dilute	NN
12787	1132	23	to	to	IN
12787	1132	24	1000	1000	CD
12787	1132	25	cc	cc	NNP
12787	1132	26	.	.	NNP
12787	1132	27	,	,	,
12787	1132	28	also	also	RB
12787	1132	29	with	with	IN
12787	1132	30	boiled	boil	VBN
12787	1132	31	water	water	NN
12787	1132	32	.	.	.
12787	1133	1	Transfer	transfer	VB
12787	1133	2	the	the	DT
12787	1133	3	solution	solution	NN
12787	1133	4	to	to	IN
12787	1133	5	a	a	DT
12787	1133	6	liter	liter	NN
12787	1133	7	bottle	bottle	NN
12787	1133	8	and	and	CC
12787	1133	9	mix	mix	VB
12787	1133	10	thoroughly	thoroughly	RB
12787	1133	11	(	(	-LRB-
12787	1133	12	Note	note	NN
12787	1133	13	2	2	CD
12787	1133	14	)	)	-RRB-
12787	1133	15	.	.	.
12787	1134	1	[	[	-LRB-
12787	1134	2	Note	note	NN
12787	1134	3	1	1	CD
12787	1134	4	:	:	:
12787	1134	5	Iodine	iodine	JJ
12787	1134	6	solutions	solution	NNS
12787	1134	7	react	react	VBP
12787	1134	8	with	with	IN
12787	1134	9	water	water	NN
12787	1134	10	to	to	TO
12787	1134	11	form	form	VB
12787	1134	12	hydriodic	hydriodic	JJ
12787	1134	13	acid	acid	NN
12787	1134	14	under	under	IN
12787	1134	15	the	the	DT
12787	1134	16	influence	influence	NN
12787	1134	17	of	of	IN
12787	1134	18	the	the	DT
12787	1134	19	sunlight	sunlight	NN
12787	1134	20	,	,	,
12787	1134	21	and	and	CC
12787	1134	22	even	even	RB
12787	1134	23	at	at	IN
12787	1134	24	low	low	JJ
12787	1134	25	room	room	NN
12787	1134	26	temperatures	temperature	NNS
12787	1134	27	the	the	DT
12787	1134	28	iodine	iodine	NN
12787	1134	29	tends	tend	VBZ
12787	1134	30	to	to	TO
12787	1134	31	volatilize	volatilize	VB
12787	1134	32	from	from	IN
12787	1134	33	solution	solution	NN
12787	1134	34	.	.	.
12787	1135	1	They	-PRON-	PRP
12787	1135	2	should	should	MD
12787	1135	3	,	,	,
12787	1135	4	therefore	therefore	RB
12787	1135	5	,	,	,
12787	1135	6	be	be	VB
12787	1135	7	protected	protect	VBN
12787	1135	8	from	from	IN
12787	1135	9	light	light	NN
12787	1135	10	and	and	CC
12787	1135	11	heat	heat	NN
12787	1135	12	.	.	.
12787	1136	1	Iodine	iodine	JJ
12787	1136	2	solutions	solution	NNS
12787	1136	3	are	be	VBP
12787	1136	4	not	not	RB
12787	1136	5	stable	stable	JJ
12787	1136	6	for	for	IN
12787	1136	7	long	long	JJ
12787	1136	8	periods	period	NNS
12787	1136	9	under	under	IN
12787	1136	10	the	the	DT
12787	1136	11	best	good	JJS
12787	1136	12	of	of	IN
12787	1136	13	conditions	condition	NNS
12787	1136	14	.	.	.
12787	1137	1	They	-PRON-	PRP
12787	1137	2	can	can	MD
12787	1137	3	not	not	RB
12787	1137	4	be	be	VB
12787	1137	5	used	use	VBN
12787	1137	6	in	in	IN
12787	1137	7	burettes	burette	NNS
12787	1137	8	with	with	IN
12787	1137	9	rubber	rubber	NN
12787	1137	10	tips	tip	NNS
12787	1137	11	,	,	,
12787	1137	12	since	since	IN
12787	1137	13	they	-PRON-	PRP
12787	1137	14	attack	attack	VBP
12787	1137	15	the	the	DT
12787	1137	16	rubber	rubber	NN
12787	1137	17	.	.	.
12787	1137	18	]	]	-RRB-
12787	1138	1	[	[	-LRB-
12787	1138	2	Note	note	NN
12787	1138	3	2	2	CD
12787	1138	4	:	:	:
12787	1138	5	Sodium	sodium	NN
12787	1138	6	thiosulphate	thiosulphate	NN
12787	1138	7	(	(	-LRB-
12787	1138	8	Na_{2}S_{2}O_{3}.5H_{2}O	na_{2}s_{2}o_{3}.5h_{2}o	UH
12787	1138	9	)	)	-RRB-
12787	1138	10	is	be	VBZ
12787	1138	11	rarely	rarely	RB
12787	1138	12	wholly	wholly	RB
12787	1138	13	pure	pure	JJ
12787	1138	14	as	as	IN
12787	1138	15	sold	sell	VBN
12787	1138	16	commercially	commercially	RB
12787	1138	17	,	,	,
12787	1138	18	but	but	CC
12787	1138	19	may	may	MD
12787	1138	20	be	be	VB
12787	1138	21	purified	purify	VBN
12787	1138	22	by	by	IN
12787	1138	23	recrystallization	recrystallization	NN
12787	1138	24	.	.	.
12787	1139	1	The	the	DT
12787	1139	2	carbon	carbon	NN
12787	1139	3	dioxide	dioxide	NN
12787	1139	4	absorbed	absorb	VBN
12787	1139	5	from	from	IN
12787	1139	6	the	the	DT
12787	1139	7	air	air	NN
12787	1139	8	by	by	IN
12787	1139	9	distilled	distilled	JJ
12787	1139	10	water	water	NN
12787	1139	11	decomposes	decompose	VBZ
12787	1139	12	the	the	DT
12787	1139	13	salt	salt	NN
12787	1139	14	,	,	,
12787	1139	15	with	with	IN
12787	1139	16	the	the	DT
12787	1139	17	separation	separation	NN
12787	1139	18	of	of	IN
12787	1139	19	sulphur	sulphur	NNP
12787	1139	20	.	.	.
12787	1140	1	Boiled	boil	VBN
12787	1140	2	water	water	NN
12787	1140	3	which	which	WDT
12787	1140	4	has	have	VBZ
12787	1140	5	been	be	VBN
12787	1140	6	cooled	cool	VBN
12787	1140	7	out	out	IN
12787	1140	8	of	of	IN
12787	1140	9	contact	contact	NN
12787	1140	10	with	with	IN
12787	1140	11	the	the	DT
12787	1140	12	air	air	NN
12787	1140	13	should	should	MD
12787	1140	14	be	be	VB
12787	1140	15	used	use	VBN
12787	1140	16	in	in	IN
12787	1140	17	preparing	prepare	VBG
12787	1140	18	solutions	solution	NNS
12787	1140	19	.	.	.
12787	1140	20	]	]	-RRB-
12787	1141	1	INDICATOR	INDICATOR	NNP
12787	1141	2	SOLUTION	SOLUTION	NNP
12787	1141	3	The	the	DT
12787	1141	4	starch	starch	NN
12787	1141	5	solution	solution	NN
12787	1141	6	for	for	IN
12787	1141	7	use	use	NN
12787	1141	8	as	as	IN
12787	1141	9	an	an	DT
12787	1141	10	indicator	indicator	NN
12787	1141	11	must	must	MD
12787	1141	12	be	be	VB
12787	1141	13	freshly	freshly	RB
12787	1141	14	prepared	prepare	VBN
12787	1141	15	.	.	.
12787	1142	1	A	a	DT
12787	1142	2	soluble	soluble	JJ
12787	1142	3	starch	starch	NN
12787	1142	4	is	be	VBZ
12787	1142	5	obtainable	obtainable	JJ
12787	1142	6	which	which	WDT
12787	1142	7	serves	serve	VBZ
12787	1142	8	well	well	RB
12787	1142	9	,	,	,
12787	1142	10	and	and	CC
12787	1142	11	a	a	DT
12787	1142	12	solution	solution	NN
12787	1142	13	of	of	IN
12787	1142	14	0.5	0.5	CD
12787	1142	15	gram	gram	NN
12787	1142	16	of	of	IN
12787	1142	17	this	this	DT
12787	1142	18	starch	starch	NN
12787	1142	19	in	in	IN
12787	1142	20	25	25	CD
12787	1142	21	cc	cc	NN
12787	1142	22	.	.	.
12787	1143	1	of	of	IN
12787	1143	2	boiling	boil	VBG
12787	1143	3	water	water	NN
12787	1143	4	is	be	VBZ
12787	1143	5	sufficient	sufficient	JJ
12787	1143	6	.	.	.
12787	1144	1	The	the	DT
12787	1144	2	solution	solution	NN
12787	1144	3	should	should	MD
12787	1144	4	be	be	VB
12787	1144	5	filtered	filter	VBN
12787	1144	6	while	while	IN
12787	1144	7	hot	hot	JJ
12787	1144	8	and	and	CC
12787	1144	9	is	be	VBZ
12787	1144	10	ready	ready	JJ
12787	1144	11	for	for	IN
12787	1144	12	use	use	NN
12787	1144	13	when	when	WRB
12787	1144	14	cold	cold	JJ
12787	1144	15	.	.	.
12787	1145	1	If	if	IN
12787	1145	2	soluble	soluble	JJ
12787	1145	3	starch	starch	NN
12787	1145	4	is	be	VBZ
12787	1145	5	not	not	RB
12787	1145	6	at	at	IN
12787	1145	7	hand	hand	NN
12787	1145	8	,	,	,
12787	1145	9	potato	potato	NN
12787	1145	10	starch	starch	NN
12787	1145	11	may	may	MD
12787	1145	12	be	be	VB
12787	1145	13	used	use	VBN
12787	1145	14	.	.	.
12787	1146	1	Mix	mix	VB
12787	1146	2	about	about	RB
12787	1146	3	1	1	CD
12787	1146	4	gram	gram	NN
12787	1146	5	with	with	IN
12787	1146	6	5	5	CD
12787	1146	7	cc	cc	NN
12787	1146	8	.	.	.
12787	1147	1	of	of	IN
12787	1147	2	cold	cold	JJ
12787	1147	3	water	water	NN
12787	1147	4	to	to	IN
12787	1147	5	a	a	DT
12787	1147	6	smooth	smooth	JJ
12787	1147	7	paste	paste	NN
12787	1147	8	,	,	,
12787	1147	9	pour	pour	VBP
12787	1147	10	150	150	CD
12787	1147	11	cc	cc	NN
12787	1147	12	.	.	.
12787	1148	1	of	of	IN
12787	1148	2	!	!	.
12787	1148	3	boiling	boil	VBG
12787	1148	4	!	!	.
12787	1149	1	water	water	NN
12787	1149	2	over	over	IN
12787	1149	3	it	-PRON-	PRP
12787	1149	4	,	,	,
12787	1149	5	warm	warm	JJ
12787	1149	6	for	for	IN
12787	1149	7	a	a	DT
12787	1149	8	moment	moment	NN
12787	1149	9	on	on	IN
12787	1149	10	the	the	DT
12787	1149	11	hot	hot	JJ
12787	1149	12	plate	plate	NN
12787	1149	13	,	,	,
12787	1149	14	and	and	CC
12787	1149	15	put	put	VBD
12787	1149	16	it	-PRON-	PRP
12787	1149	17	aside	aside	RB
12787	1149	18	to	to	TO
12787	1149	19	settle	settle	VB
12787	1149	20	.	.	.
12787	1150	1	Decant	decant	VB
12787	1150	2	the	the	DT
12787	1150	3	supernatant	supernatant	JJ
12787	1150	4	liquid	liquid	NN
12787	1150	5	through	through	IN
12787	1150	6	a	a	DT
12787	1150	7	filter	filter	NN
12787	1150	8	and	and	CC
12787	1150	9	use	use	VB
12787	1150	10	the	the	DT
12787	1150	11	clear	clear	JJ
12787	1150	12	filtrate	filtrate	NN
12787	1150	13	;	;	:
12787	1150	14	5	5	CD
12787	1150	15	cc	cc	NN
12787	1150	16	.	.	.
12787	1151	1	of	of	IN
12787	1151	2	this	this	DT
12787	1151	3	solution	solution	NN
12787	1151	4	are	be	VBP
12787	1151	5	needed	need	VBN
12787	1151	6	for	for	IN
12787	1151	7	a	a	DT
12787	1151	8	titration	titration	NN
12787	1151	9	.	.	.
12787	1152	1	The	the	DT
12787	1152	2	solution	solution	NN
12787	1152	3	of	of	IN
12787	1152	4	potato	potato	NN
12787	1152	5	starch	starch	NN
12787	1152	6	is	be	VBZ
12787	1152	7	less	less	RBR
12787	1152	8	stable	stable	JJ
12787	1152	9	than	than	IN
12787	1152	10	the	the	DT
12787	1152	11	soluble	soluble	JJ
12787	1152	12	starch	starch	NN
12787	1152	13	.	.	.
12787	1153	1	The	the	DT
12787	1153	2	solid	solid	JJ
12787	1153	3	particles	particle	NNS
12787	1153	4	of	of	IN
12787	1153	5	the	the	DT
12787	1153	6	starch	starch	NN
12787	1153	7	,	,	,
12787	1153	8	if	if	IN
12787	1153	9	not	not	RB
12787	1153	10	removed	remove	VBN
12787	1153	11	by	by	IN
12787	1153	12	filtration	filtration	NN
12787	1153	13	,	,	,
12787	1153	14	become	become	VBN
12787	1153	15	so	so	RB
12787	1153	16	colored	colored	JJ
12787	1153	17	by	by	IN
12787	1153	18	the	the	DT
12787	1153	19	iodine	iodine	NN
12787	1153	20	that	that	IN
12787	1153	21	they	-PRON-	PRP
12787	1153	22	are	be	VBP
12787	1153	23	not	not	RB
12787	1153	24	readily	readily	RB
12787	1153	25	decolorized	decolorize	VBN
12787	1153	26	by	by	IN
12787	1153	27	the	the	DT
12787	1153	28	thiosulphate	thiosulphate	NN
12787	1153	29	(	(	-LRB-
12787	1153	30	Note	note	NN
12787	1153	31	1	1	CD
12787	1153	32	)	)	-RRB-
12787	1153	33	.	.	.
12787	1154	1	[	[	-LRB-
12787	1154	2	Note	note	NN
12787	1154	3	1	1	CD
12787	1154	4	:	:	:
12787	1154	5	The	the	DT
12787	1154	6	blue	blue	JJ
12787	1154	7	color	color	NN
12787	1154	8	which	which	WDT
12787	1154	9	results	result	VBZ
12787	1154	10	when	when	WRB
12787	1154	11	free	free	JJ
12787	1154	12	iodine	iodine	NN
12787	1154	13	and	and	CC
12787	1154	14	starch	starch	NN
12787	1154	15	are	be	VBP
12787	1154	16	brought	bring	VBN
12787	1154	17	together	together	RB
12787	1154	18	is	be	VBZ
12787	1154	19	probably	probably	RB
12787	1154	20	not	not	RB
12787	1154	21	due	due	JJ
12787	1154	22	to	to	IN
12787	1154	23	the	the	DT
12787	1154	24	formation	formation	NN
12787	1154	25	of	of	IN
12787	1154	26	a	a	DT
12787	1154	27	true	true	JJ
12787	1154	28	chemical	chemical	JJ
12787	1154	29	compound	compound	NN
12787	1154	30	.	.	.
12787	1155	1	It	-PRON-	PRP
12787	1155	2	is	be	VBZ
12787	1155	3	regarded	regard	VBN
12787	1155	4	as	as	IN
12787	1155	5	a	a	DT
12787	1155	6	"	"	``
12787	1155	7	solid	solid	JJ
12787	1155	8	solution	solution	NN
12787	1155	9	"	"	''
12787	1155	10	of	of	IN
12787	1155	11	iodine	iodine	NN
12787	1155	12	in	in	IN
12787	1155	13	starch	starch	NN
12787	1155	14	.	.	.
12787	1156	1	Although	although	IN
12787	1156	2	it	-PRON-	PRP
12787	1156	3	is	be	VBZ
12787	1156	4	unstable	unstable	JJ
12787	1156	5	,	,	,
12787	1156	6	and	and	CC
12787	1156	7	easily	easily	RB
12787	1156	8	destroyed	destroy	VBN
12787	1156	9	by	by	IN
12787	1156	10	heat	heat	NN
12787	1156	11	,	,	,
12787	1156	12	it	-PRON-	PRP
12787	1156	13	serves	serve	VBZ
12787	1156	14	as	as	IN
12787	1156	15	an	an	DT
12787	1156	16	indicator	indicator	NN
12787	1156	17	for	for	IN
12787	1156	18	the	the	DT
12787	1156	19	presence	presence	NN
12787	1156	20	of	of	IN
12787	1156	21	free	free	JJ
12787	1156	22	iodine	iodine	NN
12787	1156	23	of	of	IN
12787	1156	24	remarkable	remarkable	JJ
12787	1156	25	sensitiveness	sensitiveness	NN
12787	1156	26	,	,	,
12787	1156	27	and	and	CC
12787	1156	28	makes	make	VBZ
12787	1156	29	the	the	DT
12787	1156	30	iodometric	iodometric	JJ
12787	1156	31	processes	process	VBZ
12787	1156	32	the	the	DT
12787	1156	33	most	most	RBS
12787	1156	34	satisfactory	satisfactory	JJ
12787	1156	35	of	of	IN
12787	1156	36	any	any	DT
12787	1156	37	in	in	IN
12787	1156	38	the	the	DT
12787	1156	39	field	field	NN
12787	1156	40	of	of	IN
12787	1156	41	volumetric	volumetric	NN
12787	1156	42	analysis	analysis	NN
12787	1156	43	.	.	.
12787	1156	44	]	]	-RRB-
12787	1157	1	COMPARISON	comparison	NN
12787	1157	2	OF	of	IN
12787	1157	3	IODINE	IODINE	NNP
12787	1157	4	AND	and	CC
12787	1157	5	THIOSULPHATE	THIOSULPHATE	NNP
12787	1157	6	SOLUTIONS	SOLUTIONS	NNP
12787	1157	7	PROCEDURE.--Place	procedure.--place	NN
12787	1157	8	the	the	DT
12787	1157	9	solutions	solution	NNS
12787	1157	10	in	in	IN
12787	1157	11	burettes	burette	NNS
12787	1157	12	(	(	-LRB-
12787	1157	13	the	the	DT
12787	1157	14	iodine	iodine	NN
12787	1157	15	in	in	IN
12787	1157	16	a	a	DT
12787	1157	17	glass	glass	NN
12787	1157	18	-	-	HYPH
12787	1157	19	stoppered	stopper	VBN
12787	1157	20	burette	burette	NN
12787	1157	21	)	)	-RRB-
12787	1157	22	,	,	,
12787	1157	23	observing	observe	VBG
12787	1157	24	the	the	DT
12787	1157	25	usual	usual	JJ
12787	1157	26	precautions	precaution	NNS
12787	1157	27	.	.	.
12787	1158	1	Run	run	VB
12787	1158	2	out	out	RP
12787	1158	3	40	40	CD
12787	1158	4	cc	cc	NN
12787	1158	5	.	.	.
12787	1159	1	of	of	IN
12787	1159	2	the	the	DT
12787	1159	3	thiosulphate	thiosulphate	NN
12787	1159	4	solution	solution	NN
12787	1159	5	into	into	IN
12787	1159	6	a	a	DT
12787	1159	7	beaker	beaker	NN
12787	1159	8	,	,	,
12787	1159	9	dilute	dilute	NN
12787	1159	10	with	with	IN
12787	1159	11	150	150	CD
12787	1159	12	cc	cc	NN
12787	1159	13	.	.	.
12787	1160	1	of	of	IN
12787	1160	2	water	water	NN
12787	1160	3	,	,	,
12787	1160	4	add	add	VB
12787	1160	5	1	1	CD
12787	1160	6	cc	cc	NN
12787	1160	7	.	.	.
12787	1161	1	to	to	IN
12787	1161	2	2	2	CD
12787	1161	3	cc	cc	NNP
12787	1161	4	.	.	.
12787	1162	1	of	of	IN
12787	1162	2	the	the	DT
12787	1162	3	soluble	soluble	JJ
12787	1162	4	starch	starch	NN
12787	1162	5	solution	solution	NN
12787	1162	6	,	,	,
12787	1162	7	and	and	CC
12787	1162	8	titrate	titrate	VB
12787	1162	9	with	with	IN
12787	1162	10	the	the	DT
12787	1162	11	iodine	iodine	NN
12787	1162	12	to	to	IN
12787	1162	13	the	the	DT
12787	1162	14	appearance	appearance	NN
12787	1162	15	of	of	IN
12787	1162	16	the	the	DT
12787	1162	17	blue	blue	NN
12787	1162	18	of	of	IN
12787	1162	19	the	the	DT
12787	1162	20	iodo	iodo	NN
12787	1162	21	-	-	HYPH
12787	1162	22	starch	starch	NN
12787	1162	23	.	.	.
12787	1163	1	Repeat	repeat	NN
12787	1163	2	until	until	IN
12787	1163	3	the	the	DT
12787	1163	4	ratio	ratio	NN
12787	1163	5	of	of	IN
12787	1163	6	the	the	DT
12787	1163	7	two	two	CD
12787	1163	8	solutions	solution	NNS
12787	1163	9	is	be	VBZ
12787	1163	10	established	establish	VBN
12787	1163	11	,	,	,
12787	1163	12	remembering	remember	VBG
12787	1163	13	all	all	DT
12787	1163	14	necessary	necessary	JJ
12787	1163	15	corrections	correction	NNS
12787	1163	16	for	for	IN
12787	1163	17	burettes	burette	NNS
12787	1163	18	and	and	CC
12787	1163	19	for	for	IN
12787	1163	20	temperature	temperature	NN
12787	1163	21	changes	change	NNS
12787	1163	22	.	.	.
12787	1164	1	STANDARDIZATION	STANDARDIZATION	VBN
12787	1164	2	OF	of	IN
12787	1164	3	SOLUTIONS	solutions	JJ
12787	1164	4	Commercial	commercial	JJ
12787	1164	5	iodine	iodine	NN
12787	1164	6	is	be	VBZ
12787	1164	7	usually	usually	RB
12787	1164	8	not	not	RB
12787	1164	9	sufficiently	sufficiently	RB
12787	1164	10	pure	pure	JJ
12787	1164	11	to	to	TO
12787	1164	12	permit	permit	VB
12787	1164	13	of	of	IN
12787	1164	14	its	-PRON-	PRP$
12787	1164	15	use	use	NN
12787	1164	16	as	as	IN
12787	1164	17	a	a	DT
12787	1164	18	standard	standard	NN
12787	1164	19	for	for	IN
12787	1164	20	thiosulphate	thiosulphate	NN
12787	1164	21	solutions	solution	NNS
12787	1164	22	or	or	CC
12787	1164	23	the	the	DT
12787	1164	24	direct	direct	JJ
12787	1164	25	preparation	preparation	NN
12787	1164	26	of	of	IN
12787	1164	27	a	a	DT
12787	1164	28	standard	standard	JJ
12787	1164	29	solution	solution	NN
12787	1164	30	of	of	IN
12787	1164	31	iodine	iodine	NN
12787	1164	32	.	.	.
12787	1165	1	It	-PRON-	PRP
12787	1165	2	is	be	VBZ
12787	1165	3	likely	likely	JJ
12787	1165	4	to	to	TO
12787	1165	5	contain	contain	VB
12787	1165	6	,	,	,
12787	1165	7	beside	beside	IN
12787	1165	8	moisture	moisture	NN
12787	1165	9	,	,	,
12787	1165	10	some	some	DT
12787	1165	11	iodine	iodine	NN
12787	1165	12	chloride	chloride	NN
12787	1165	13	,	,	,
12787	1165	14	if	if	IN
12787	1165	15	chlorine	chlorine	NN
12787	1165	16	was	be	VBD
12787	1165	17	used	use	VBN
12787	1165	18	to	to	TO
12787	1165	19	liberate	liberate	VB
12787	1165	20	the	the	DT
12787	1165	21	iodine	iodine	NN
12787	1165	22	when	when	WRB
12787	1165	23	it	-PRON-	PRP
12787	1165	24	was	be	VBD
12787	1165	25	prepared	prepare	VBN
12787	1165	26	.	.	.
12787	1166	1	It	-PRON-	PRP
12787	1166	2	may	may	MD
12787	1166	3	be	be	VB
12787	1166	4	purified	purify	VBN
12787	1166	5	by	by	IN
12787	1166	6	sublimation	sublimation	NN
12787	1166	7	after	after	IN
12787	1166	8	mixing	mix	VBG
12787	1166	9	it	-PRON-	PRP
12787	1166	10	with	with	IN
12787	1166	11	a	a	DT
12787	1166	12	little	little	JJ
12787	1166	13	potassium	potassium	NN
12787	1166	14	iodide	iodide	NN
12787	1166	15	,	,	,
12787	1166	16	which	which	WDT
12787	1166	17	reacts	react	VBZ
12787	1166	18	with	with	IN
12787	1166	19	the	the	DT
12787	1166	20	iodine	iodine	NN
12787	1166	21	chloride	chloride	NN
12787	1166	22	,	,	,
12787	1166	23	forming	form	VBG
12787	1166	24	potassium	potassium	NN
12787	1166	25	chloride	chloride	NN
12787	1166	26	and	and	CC
12787	1166	27	setting	set	VBG
12787	1166	28	free	free	JJ
12787	1166	29	the	the	DT
12787	1166	30	iodine	iodine	NN
12787	1166	31	.	.	.
12787	1167	1	The	the	DT
12787	1167	2	sublimed	sublimed	JJ
12787	1167	3	iodine	iodine	NN
12787	1167	4	is	be	VBZ
12787	1167	5	then	then	RB
12787	1167	6	dried	dry	VBN
12787	1167	7	by	by	IN
12787	1167	8	placing	place	VBG
12787	1167	9	it	-PRON-	PRP
12787	1167	10	in	in	IN
12787	1167	11	a	a	DT
12787	1167	12	closed	closed	JJ
12787	1167	13	container	container	NN
12787	1167	14	over	over	IN
12787	1167	15	concentrated	concentrate	VBN
12787	1167	16	sulphuric	sulphuric	JJ
12787	1167	17	acid	acid	NN
12787	1167	18	.	.	.
12787	1168	1	It	-PRON-	PRP
12787	1168	2	may	may	MD
12787	1168	3	then	then	RB
12787	1168	4	be	be	VB
12787	1168	5	weighed	weigh	VBN
12787	1168	6	in	in	IN
12787	1168	7	a	a	DT
12787	1168	8	stoppered	stopper	VBN
12787	1168	9	weighing	weighing	NN
12787	1168	10	-	-	HYPH
12787	1168	11	tube	tube	NN
12787	1168	12	and	and	CC
12787	1168	13	dissolved	dissolve	VBN
12787	1168	14	in	in	IN
12787	1168	15	a	a	DT
12787	1168	16	solution	solution	NN
12787	1168	17	of	of	IN
12787	1168	18	potassium	potassium	NN
12787	1168	19	iodide	iodide	NN
12787	1168	20	in	in	IN
12787	1168	21	a	a	DT
12787	1168	22	stoppered	stoppered	JJ
12787	1168	23	flask	flask	NN
12787	1168	24	to	to	TO
12787	1168	25	prevent	prevent	VB
12787	1168	26	loss	loss	NN
12787	1168	27	of	of	IN
12787	1168	28	iodine	iodine	NN
12787	1168	29	by	by	IN
12787	1168	30	volatilization	volatilization	NN
12787	1168	31	.	.	.
12787	1169	1	About	about	IN
12787	1169	2	18	18	CD
12787	1169	3	grams	gram	NNS
12787	1169	4	of	of	IN
12787	1169	5	the	the	DT
12787	1169	6	iodide	iodide	NN
12787	1169	7	and	and	CC
12787	1169	8	twelve	twelve	CD
12787	1169	9	grams	gram	NNS
12787	1169	10	of	of	IN
12787	1169	11	iodine	iodine	NN
12787	1169	12	per	per	IN
12787	1169	13	liter	liter	JJR
12787	1169	14	are	be	VBP
12787	1169	15	required	require	VBN
12787	1169	16	for	for	IN
12787	1169	17	an	an	DT
12787	1169	18	approximately	approximately	RB
12787	1169	19	tenth	tenth	JJ
12787	1169	20	-	-	HYPH
12787	1169	21	normal	normal	JJ
12787	1169	22	solution	solution	NN
12787	1169	23	.	.	.
12787	1170	1	An	an	DT
12787	1170	2	iodine	iodine	NN
12787	1170	3	solution	solution	NN
12787	1170	4	made	make	VBN
12787	1170	5	from	from	IN
12787	1170	6	commercial	commercial	JJ
12787	1170	7	iodine	iodine	NN
12787	1170	8	may	may	MD
12787	1170	9	also	also	RB
12787	1170	10	be	be	VB
12787	1170	11	standardized	standardize	VBN
12787	1170	12	against	against	IN
12787	1170	13	arsenious	arsenious	JJ
12787	1170	14	oxide	oxide	NN
12787	1170	15	(	(	-LRB-
12787	1170	16	As_{4}O_{6	As_{4}O_{6	NNP
12787	1170	17	}	}	-RRB-
12787	1170	18	)	)	-RRB-
12787	1170	19	.	.	.
12787	1171	1	This	this	DT
12787	1171	2	substance	substance	NN
12787	1171	3	also	also	RB
12787	1171	4	usually	usually	RB
12787	1171	5	requires	require	VBZ
12787	1171	6	purification	purification	NN
12787	1171	7	by	by	IN
12787	1171	8	sublimation	sublimation	NN
12787	1171	9	before	before	IN
12787	1171	10	use	use	NN
12787	1171	11	.	.	.
12787	1172	1	The	the	DT
12787	1172	2	substances	substance	NNS
12787	1172	3	usually	usually	RB
12787	1172	4	employed	employ	VBN
12787	1172	5	for	for	IN
12787	1172	6	the	the	DT
12787	1172	7	standardization	standardization	NN
12787	1172	8	of	of	IN
12787	1172	9	a	a	DT
12787	1172	10	thiosulphate	thiosulphate	NN
12787	1172	11	solution	solution	NN
12787	1172	12	are	be	VBP
12787	1172	13	potassium	potassium	NN
12787	1172	14	bromate	bromate	NN
12787	1172	15	and	and	CC
12787	1172	16	metallic	metallic	JJ
12787	1172	17	copper	copper	NN
12787	1172	18	.	.	.
12787	1173	1	The	the	DT
12787	1173	2	former	former	JJ
12787	1173	3	is	be	VBZ
12787	1173	4	obtainable	obtainable	JJ
12787	1173	5	in	in	IN
12787	1173	6	pure	pure	JJ
12787	1173	7	condition	condition	NN
12787	1173	8	or	or	CC
12787	1173	9	may	may	MD
12787	1173	10	be	be	VB
12787	1173	11	easily	easily	RB
12787	1173	12	purified	purify	VBN
12787	1173	13	by	by	IN
12787	1173	14	re	re	NN
12787	1173	15	-	-	NN
12787	1173	16	crystallization	crystallization	NN
12787	1173	17	.	.	.
12787	1174	1	Copper	copper	NN
12787	1174	2	wire	wire	NN
12787	1174	3	of	of	IN
12787	1174	4	high	high	JJ
12787	1174	5	grade	grade	NN
12787	1174	6	is	be	VBZ
12787	1174	7	sufficiently	sufficiently	RB
12787	1174	8	pure	pure	JJ
12787	1174	9	to	to	TO
12787	1174	10	serve	serve	VB
12787	1174	11	as	as	IN
12787	1174	12	a	a	DT
12787	1174	13	standard	standard	NN
12787	1174	14	.	.	.
12787	1175	1	Both	both	DT
12787	1175	2	potassium	potassium	NN
12787	1175	3	bromate	bromate	NN
12787	1175	4	and	and	CC
12787	1175	5	cupric	cupric	JJ
12787	1175	6	salts	salt	NNS
12787	1175	7	in	in	IN
12787	1175	8	solution	solution	NN
12787	1175	9	will	will	MD
12787	1175	10	liberate	liberate	VB
12787	1175	11	iodine	iodine	NN
12787	1175	12	from	from	IN
12787	1175	13	an	an	DT
12787	1175	14	iodide	iodide	NN
12787	1175	15	,	,	,
12787	1175	16	which	which	WDT
12787	1175	17	is	be	VBZ
12787	1175	18	then	then	RB
12787	1175	19	titrated	titrate	VBN
12787	1175	20	with	with	IN
12787	1175	21	the	the	DT
12787	1175	22	thiosulphate	thiosulphate	NN
12787	1175	23	solution	solution	NN
12787	1175	24	.	.	.
12787	1176	1	The	the	DT
12787	1176	2	reactions	reaction	NNS
12787	1176	3	involved	involve	VBN
12787	1176	4	are	be	VBP
12787	1176	5	the	the	DT
12787	1176	6	following	follow	VBG
12787	1176	7	:	:	:
12787	1176	8	(	(	-LRB-
12787	1176	9	a	a	LS
12787	1176	10	)	)	-RRB-
12787	1176	11	KBrO_{3	KBrO_{3	NNP
12787	1176	12	}	}	-RRB-
12787	1176	13	+	+	CC
12787	1176	14	6KI	6ki	CD
12787	1176	15	+	+	SYM
12787	1176	16	3H_{2}SO_{4	3h_{2}so_{4	NN
12787	1176	17	}	}	-RRB-
12787	1176	18	--	--	:
12787	1176	19	>	>	XX
12787	1176	20	KBr	KBr	NNS
12787	1176	21	+	+	DT
12787	1176	22	3I_{2	3i_{2	CD
12787	1176	23	}	}	-RRB-
12787	1176	24	+	+	SYM
12787	1176	25	3K_{2}SO_{4	3k_{2}so_{4	NN
12787	1176	26	}	}	-RRB-
12787	1176	27	+	+	CC
12787	1176	28	3H_{2}O	3h_{2}o	CD
12787	1176	29	,	,	,
12787	1176	30	(	(	-LRB-
12787	1176	31	b	b	NN
12787	1176	32	)	)	-RRB-
12787	1176	33	3Cu	3cu	CD
12787	1176	34	+	+	SYM
12787	1176	35	8HNO_{3	8hno_{3	CD
12787	1176	36	}	}	-RRB-
12787	1176	37	--	--	:
12787	1176	38	>	>	NFP
12787	1176	39	3Cu(NO_{3})_{2	3Cu(NO_{3})_{2	NNP
12787	1176	40	}	}	-RRB-
12787	1176	41	+	+	CC
12787	1176	42	2NO	2no	CD
12787	1176	43	+	+	SYM
12787	1176	44	4H_{2}O	4h_{2}o	CD
12787	1176	45	,	,	,
12787	1176	46	2Cu(NO_{3})_{2	2cu(no_{3})_{2	CD
12787	1176	47	}	}	-RRB-
12787	1176	48	+	+	CC
12787	1176	49	4KI	4ki	CD
12787	1176	50	--	--	:
12787	1176	51	>	>	XX
12787	1176	52	2CuI	2cui	CD
12787	1176	53	+	+	SYM
12787	1176	54	4KNO_{3	4kno_{3	CD
12787	1176	55	}	}	-RRB-
12787	1176	56	+	+	CC
12787	1176	57	I_{2	I_{2	NNP
12787	1176	58	}	}	-RRB-
12787	1176	59	.	.	.
12787	1177	1	Two	two	CD
12787	1177	2	methods	method	NNS
12787	1177	3	for	for	IN
12787	1177	4	the	the	DT
12787	1177	5	direct	direct	JJ
12787	1177	6	standardization	standardization	NN
12787	1177	7	of	of	IN
12787	1177	8	the	the	DT
12787	1177	9	sodium	sodium	NN
12787	1177	10	thiosulphate	thiosulphate	NN
12787	1177	11	solution	solution	NN
12787	1177	12	are	be	VBP
12787	1177	13	here	here	RB
12787	1177	14	described	describe	VBN
12787	1177	15	,	,	,
12787	1177	16	and	and	CC
12787	1177	17	one	one	CD
12787	1177	18	for	for	IN
12787	1177	19	the	the	DT
12787	1177	20	direct	direct	JJ
12787	1177	21	standardization	standardization	NN
12787	1177	22	of	of	IN
12787	1177	23	the	the	DT
12787	1177	24	iodine	iodine	NN
12787	1177	25	solution	solution	NN
12787	1177	26	.	.	.
12787	1178	1	!	!	.
12787	1178	2	Method	Method	NNP
12787	1178	3	A	A	NNP
12787	1178	4	!	!	.
12787	1179	1	PROCEDURE.--Weigh	procedure.--weigh	VB
12787	1179	2	out	out	RP
12787	1179	3	into	into	IN
12787	1179	4	500	500	CD
12787	1179	5	cc	cc	NN
12787	1179	6	.	.	.
12787	1180	1	beakers	beaker	NNS
12787	1180	2	two	two	CD
12787	1180	3	portions	portion	NNS
12787	1180	4	of	of	IN
12787	1180	5	about	about	RB
12787	1180	6	0.150	0.150	CD
12787	1180	7	-	-	SYM
12787	1180	8	0.175	0.175	CD
12787	1180	9	gram	gram	NN
12787	1180	10	of	of	IN
12787	1180	11	potassium	potassium	NN
12787	1180	12	bromate	bromate	NN
12787	1180	13	.	.	.
12787	1181	1	Dissolve	dissolve	VB
12787	1181	2	each	each	DT
12787	1181	3	of	of	IN
12787	1181	4	these	these	DT
12787	1181	5	in	in	IN
12787	1181	6	50	50	CD
12787	1181	7	cc	cc	NN
12787	1181	8	.	.	.
12787	1182	1	of	of	IN
12787	1182	2	water	water	NN
12787	1182	3	,	,	,
12787	1182	4	and	and	CC
12787	1182	5	add	add	VB
12787	1182	6	10	10	CD
12787	1182	7	cc	cc	NN
12787	1182	8	.	.	.
12787	1183	1	of	of	IN
12787	1183	2	a	a	DT
12787	1183	3	potassium	potassium	NN
12787	1183	4	iodide	iodide	NN
12787	1183	5	solution	solution	NN
12787	1183	6	containing	contain	VBG
12787	1183	7	3	3	CD
12787	1183	8	grams	gram	NNS
12787	1183	9	of	of	IN
12787	1183	10	the	the	DT
12787	1183	11	salt	salt	NN
12787	1183	12	in	in	IN
12787	1183	13	that	that	DT
12787	1183	14	volume	volume	NN
12787	1183	15	(	(	-LRB-
12787	1183	16	Note	note	NN
12787	1183	17	1	1	CD
12787	1183	18	)	)	-RRB-
12787	1183	19	.	.	.
12787	1184	1	Add	add	VB
12787	1184	2	to	to	IN
12787	1184	3	the	the	DT
12787	1184	4	mixture	mixture	NN
12787	1184	5	10	10	CD
12787	1184	6	cc	cc	NN
12787	1184	7	.	.	.
12787	1185	1	of	of	IN
12787	1185	2	dilute	dilute	NNP
12787	1185	3	sulphuric	sulphuric	NNP
12787	1185	4	acid	acid	NNP
12787	1185	5	(	(	-LRB-
12787	1185	6	1	1	CD
12787	1185	7	volume	volume	NN
12787	1185	8	of	of	IN
12787	1185	9	sulphuric	sulphuric	JJ
12787	1185	10	acid	acid	NN
12787	1185	11	with	with	IN
12787	1185	12	5	5	CD
12787	1185	13	volumes	volume	NNS
12787	1185	14	of	of	IN
12787	1185	15	water	water	NN
12787	1185	16	)	)	-RRB-
12787	1185	17	,	,	,
12787	1185	18	allow	allow	VB
12787	1185	19	the	the	DT
12787	1185	20	solution	solution	NN
12787	1185	21	to	to	TO
12787	1185	22	stand	stand	VB
12787	1185	23	for	for	IN
12787	1185	24	three	three	CD
12787	1185	25	minutes	minute	NNS
12787	1185	26	,	,	,
12787	1185	27	and	and	CC
12787	1185	28	dilute	dilute	NN
12787	1185	29	to	to	IN
12787	1185	30	150	150	CD
12787	1185	31	cc	cc	NN
12787	1185	32	.	.	.
12787	1186	1	(	(	-LRB-
12787	1186	2	Note	note	NN
12787	1186	3	2	2	CD
12787	1186	4	)	)	-RRB-
12787	1186	5	.	.	.
12787	1187	1	Run	run	VB
12787	1187	2	in	in	IN
12787	1187	3	thiosulphate	thiosulphate	NN
12787	1187	4	solution	solution	NN
12787	1187	5	from	from	IN
12787	1187	6	a	a	DT
12787	1187	7	burette	burette	NN
12787	1187	8	until	until	IN
12787	1187	9	the	the	DT
12787	1187	10	color	color	NN
12787	1187	11	of	of	IN
12787	1187	12	the	the	DT
12787	1187	13	liberated	liberated	JJ
12787	1187	14	iodine	iodine	NN
12787	1187	15	is	be	VBZ
12787	1187	16	nearly	nearly	RB
12787	1187	17	destroyed	destroy	VBN
12787	1187	18	,	,	,
12787	1187	19	and	and	CC
12787	1187	20	then	then	RB
12787	1187	21	add	add	VB
12787	1187	22	1	1	CD
12787	1187	23	cc	cc	NN
12787	1187	24	.	.	.
12787	1188	1	or	or	CC
12787	1188	2	2	2	CD
12787	1188	3	cc	cc	NN
12787	1188	4	.	.	.
12787	1189	1	of	of	IN
12787	1189	2	starch	starch	NN
12787	1189	3	solution	solution	NN
12787	1189	4	,	,	,
12787	1189	5	titrate	titrate	RB
12787	1189	6	to	to	IN
12787	1189	7	the	the	DT
12787	1189	8	disappearance	disappearance	NN
12787	1189	9	of	of	IN
12787	1189	10	the	the	DT
12787	1189	11	iodo	iodo	JJ
12787	1189	12	-	-	HYPH
12787	1189	13	starch	starch	NN
12787	1189	14	blue	blue	NN
12787	1189	15	,	,	,
12787	1189	16	and	and	CC
12787	1189	17	finally	finally	RB
12787	1189	18	add	add	VB
12787	1189	19	iodine	iodine	NN
12787	1189	20	solution	solution	NN
12787	1189	21	until	until	IN
12787	1189	22	the	the	DT
12787	1189	23	color	color	NN
12787	1189	24	is	be	VBZ
12787	1189	25	just	just	RB
12787	1189	26	restored	restore	VBN
12787	1189	27	.	.	.
12787	1190	1	Make	make	VB
12787	1190	2	a	a	DT
12787	1190	3	blank	blank	JJ
12787	1190	4	test	test	NN
12787	1190	5	for	for	IN
12787	1190	6	the	the	DT
12787	1190	7	amount	amount	NN
12787	1190	8	of	of	IN
12787	1190	9	thiosulphate	thiosulphate	NN
12787	1190	10	solution	solution	NN
12787	1190	11	required	require	VBN
12787	1190	12	to	to	TO
12787	1190	13	react	react	VB
12787	1190	14	with	with	IN
12787	1190	15	the	the	DT
12787	1190	16	iodine	iodine	NN
12787	1190	17	liberated	liberate	VBN
12787	1190	18	by	by	IN
12787	1190	19	the	the	DT
12787	1190	20	iodate	iodate	JJ
12787	1190	21	which	which	WDT
12787	1190	22	is	be	VBZ
12787	1190	23	generally	generally	RB
12787	1190	24	present	present	JJ
12787	1190	25	in	in	IN
12787	1190	26	the	the	DT
12787	1190	27	potassium	potassium	NN
12787	1190	28	iodide	iodide	NN
12787	1190	29	solution	solution	NN
12787	1190	30	,	,	,
12787	1190	31	and	and	CC
12787	1190	32	deduct	deduct	VB
12787	1190	33	this	this	DT
12787	1190	34	from	from	IN
12787	1190	35	the	the	DT
12787	1190	36	total	total	JJ
12787	1190	37	volume	volume	NN
12787	1190	38	used	use	VBN
12787	1190	39	in	in	IN
12787	1190	40	the	the	DT
12787	1190	41	titration	titration	NN
12787	1190	42	.	.	.
12787	1191	1	From	from	IN
12787	1191	2	the	the	DT
12787	1191	3	data	datum	NNS
12787	1191	4	obtained	obtain	VBN
12787	1191	5	,	,	,
12787	1191	6	calculate	calculate	VB
12787	1191	7	the	the	DT
12787	1191	8	relation	relation	NN
12787	1191	9	of	of	IN
12787	1191	10	the	the	DT
12787	1191	11	thiosulphate	thiosulphate	NN
12787	1191	12	solution	solution	NN
12787	1191	13	to	to	IN
12787	1191	14	a	a	DT
12787	1191	15	normal	normal	JJ
12787	1191	16	solution	solution	NN
12787	1191	17	,	,	,
12787	1191	18	and	and	CC
12787	1191	19	subsequently	subsequently	RB
12787	1191	20	calculate	calculate	VB
12787	1191	21	the	the	DT
12787	1191	22	similar	similar	JJ
12787	1191	23	value	value	NN
12787	1191	24	for	for	IN
12787	1191	25	the	the	DT
12787	1191	26	iodine	iodine	NN
12787	1191	27	solution	solution	NN
12787	1191	28	.	.	.
12787	1192	1	[	[	-LRB-
12787	1192	2	Note	note	NN
12787	1192	3	1:--Potassium	1:--potassium	CD
12787	1192	4	iodide	iodide	NN
12787	1192	5	usually	usually	RB
12787	1192	6	contains	contain	VBZ
12787	1192	7	small	small	JJ
12787	1192	8	amounts	amount	NNS
12787	1192	9	of	of	IN
12787	1192	10	potassium	potassium	NN
12787	1192	11	iodate	iodate	VBP
12787	1192	12	as	as	IN
12787	1192	13	impurity	impurity	NN
12787	1192	14	which	which	WDT
12787	1192	15	,	,	,
12787	1192	16	when	when	WRB
12787	1192	17	the	the	DT
12787	1192	18	iodide	iodide	NN
12787	1192	19	is	be	VBZ
12787	1192	20	brought	bring	VBN
12787	1192	21	into	into	IN
12787	1192	22	an	an	DT
12787	1192	23	acid	acid	JJ
12787	1192	24	solution	solution	NN
12787	1192	25	,	,	,
12787	1192	26	liberates	liberate	VBZ
12787	1192	27	iodine	iodine	JJ
12787	1192	28	,	,	,
12787	1192	29	just	just	RB
12787	1192	30	as	as	IN
12787	1192	31	does	do	VBZ
12787	1192	32	the	the	DT
12787	1192	33	potassium	potassium	NN
12787	1192	34	bromate	bromate	NN
12787	1192	35	used	use	VBN
12787	1192	36	as	as	IN
12787	1192	37	a	a	DT
12787	1192	38	standard	standard	NN
12787	1192	39	.	.	.
12787	1193	1	It	-PRON-	PRP
12787	1193	2	is	be	VBZ
12787	1193	3	necessary	necessary	JJ
12787	1193	4	to	to	TO
12787	1193	5	determine	determine	VB
12787	1193	6	the	the	DT
12787	1193	7	amount	amount	NN
12787	1193	8	of	of	IN
12787	1193	9	thiosulphate	thiosulphate	NN
12787	1193	10	which	which	WDT
12787	1193	11	reacts	react	VBZ
12787	1193	12	with	with	IN
12787	1193	13	the	the	DT
12787	1193	14	iodine	iodine	NN
12787	1193	15	thus	thus	RB
12787	1193	16	liberated	liberate	VBN
12787	1193	17	by	by	IN
12787	1193	18	making	make	VBG
12787	1193	19	a	a	DT
12787	1193	20	"	"	``
12787	1193	21	blank	blank	JJ
12787	1193	22	test	test	NN
12787	1193	23	"	"	''
12787	1193	24	with	with	IN
12787	1193	25	the	the	DT
12787	1193	26	iodide	iodide	NN
12787	1193	27	and	and	CC
12787	1193	28	acid	acid	VB
12787	1193	29	alone	alone	RB
12787	1193	30	.	.	.
12787	1194	1	As	as	IN
12787	1194	2	the	the	DT
12787	1194	3	iodate	iodate	NN
12787	1194	4	is	be	VBZ
12787	1194	5	not	not	RB
12787	1194	6	always	always	RB
12787	1194	7	uniformly	uniformly	RB
12787	1194	8	distributed	distribute	VBN
12787	1194	9	throughout	throughout	IN
12787	1194	10	the	the	DT
12787	1194	11	iodide	iodide	NN
12787	1194	12	,	,	,
12787	1194	13	it	-PRON-	PRP
12787	1194	14	is	be	VBZ
12787	1194	15	better	well	JJR
12787	1194	16	to	to	TO
12787	1194	17	make	make	VB
12787	1194	18	up	up	RP
12787	1194	19	a	a	DT
12787	1194	20	sufficient	sufficient	JJ
12787	1194	21	volume	volume	NN
12787	1194	22	of	of	IN
12787	1194	23	a	a	DT
12787	1194	24	solution	solution	NN
12787	1194	25	of	of	IN
12787	1194	26	the	the	DT
12787	1194	27	iodide	iodide	NN
12787	1194	28	for	for	IN
12787	1194	29	the	the	DT
12787	1194	30	purposes	purpose	NNS
12787	1194	31	of	of	IN
12787	1194	32	the	the	DT
12787	1194	33	work	work	NN
12787	1194	34	in	in	IN
12787	1194	35	hand	hand	NN
12787	1194	36	,	,	,
12787	1194	37	and	and	CC
12787	1194	38	to	to	TO
12787	1194	39	make	make	VB
12787	1194	40	the	the	DT
12787	1194	41	blank	blank	JJ
12787	1194	42	test	test	NN
12787	1194	43	by	by	IN
12787	1194	44	using	use	VBG
12787	1194	45	the	the	DT
12787	1194	46	same	same	JJ
12787	1194	47	volume	volume	NN
12787	1194	48	of	of	IN
12787	1194	49	the	the	DT
12787	1194	50	iodide	iodide	NN
12787	1194	51	solution	solution	NN
12787	1194	52	as	as	IN
12787	1194	53	is	be	VBZ
12787	1194	54	added	add	VBN
12787	1194	55	in	in	IN
12787	1194	56	the	the	DT
12787	1194	57	standardizing	standardizing	NN
12787	1194	58	process	process	NN
12787	1194	59	.	.	.
12787	1195	1	The	the	DT
12787	1195	2	iodide	iodide	NN
12787	1195	3	solution	solution	NN
12787	1195	4	should	should	MD
12787	1195	5	contain	contain	VB
12787	1195	6	about	about	RB
12787	1195	7	3	3	CD
12787	1195	8	grams	gram	NNS
12787	1195	9	of	of	IN
12787	1195	10	the	the	DT
12787	1195	11	salt	salt	NN
12787	1195	12	in	in	IN
12787	1195	13	10	10	CD
12787	1195	14	cc	cc	NN
12787	1195	15	.	.	.
12787	1195	16	]	]	-RRB-
12787	1196	1	[	[	-LRB-
12787	1196	2	Note	note	NN
12787	1196	3	2	2	CD
12787	1196	4	:	:	:
12787	1196	5	The	the	DT
12787	1196	6	color	color	NN
12787	1196	7	of	of	IN
12787	1196	8	the	the	DT
12787	1196	9	iodo	iodo	JJ
12787	1196	10	-	-	HYPH
12787	1196	11	starch	starch	NN
12787	1196	12	is	be	VBZ
12787	1196	13	somewhat	somewhat	RB
12787	1196	14	less	less	RBR
12787	1196	15	satisfactory	satisfactory	JJ
12787	1196	16	in	in	IN
12787	1196	17	concentrated	concentrated	JJ
12787	1196	18	solutions	solution	NNS
12787	1196	19	of	of	IN
12787	1196	20	the	the	DT
12787	1196	21	alkali	alkali	JJ
12787	1196	22	salts	salt	NNS
12787	1196	23	,	,	,
12787	1196	24	notably	notably	RB
12787	1196	25	the	the	DT
12787	1196	26	iodides	iodide	NNS
12787	1196	27	.	.	.
12787	1197	1	The	the	DT
12787	1197	2	dilution	dilution	NN
12787	1197	3	prescribed	prescribe	VBD
12787	1197	4	obviates	obviate	NNS
12787	1197	5	this	this	DT
12787	1197	6	difficulty	difficulty	NN
12787	1197	7	.	.	.
12787	1197	8	]	]	-RRB-
12787	1198	1	!	!	.
12787	1198	2	Method	Method	NNP
12787	1198	3	B	B	NNP
12787	1198	4	!	!	.
12787	1199	1	PROCEDURE.--Weigh	procedure.--weigh	VB
12787	1199	2	out	out	RP
12787	1199	3	two	two	CD
12787	1199	4	portions	portion	NNS
12787	1199	5	of	of	IN
12787	1199	6	0.25	0.25	CD
12787	1199	7	-	-	HYPH
12787	1199	8	0.27	0.27	CD
12787	1199	9	gram	gram	NN
12787	1199	10	of	of	IN
12787	1199	11	clean	clean	JJ
12787	1199	12	copper	copper	NN
12787	1199	13	wire	wire	NN
12787	1199	14	into	into	IN
12787	1199	15	250	250	CD
12787	1199	16	cc	cc	NN
12787	1199	17	.	.	.
12787	1200	1	Erlenmeyer	Erlenmeyer	NNP
12787	1200	2	flasks	flask	NNS
12787	1200	3	(	(	-LRB-
12787	1200	4	Note	note	NN
12787	1200	5	1	1	CD
12787	1200	6	)	)	-RRB-
12787	1200	7	.	.	.
12787	1201	1	Add	add	VB
12787	1201	2	to	to	IN
12787	1201	3	each	each	DT
12787	1201	4	5	5	CD
12787	1201	5	cc	cc	NN
12787	1201	6	.	.	.
12787	1202	1	of	of	IN
12787	1202	2	concentrated	concentrated	JJ
12787	1202	3	nitric	nitric	NNP
12787	1202	4	acid	acid	NNP
12787	1202	5	(	(	-LRB-
12787	1202	6	sp	sp	NNP
12787	1202	7	.	.	.
12787	1203	1	gr	gr	NNP
12787	1203	2	.	.	.
12787	1204	1	1.42	1.42	CD
12787	1204	2	)	)	-RRB-
12787	1204	3	and	and	CC
12787	1204	4	25	25	CD
12787	1204	5	cc	cc	NN
12787	1204	6	.	.	.
12787	1205	1	of	of	IN
12787	1205	2	water	water	NN
12787	1205	3	,	,	,
12787	1205	4	cover	cover	NN
12787	1205	5	,	,	,
12787	1205	6	and	and	CC
12787	1205	7	warm	warm	JJ
12787	1205	8	until	until	IN
12787	1205	9	solution	solution	NN
12787	1205	10	is	be	VBZ
12787	1205	11	complete	complete	JJ
12787	1205	12	.	.	.
12787	1206	1	Add	Add	NNP
12787	1206	2	5	5	CD
12787	1206	3	cc	cc	NN
12787	1206	4	.	.	.
12787	1207	1	of	of	IN
12787	1207	2	bromine	bromine	NNP
12787	1207	3	water	water	NN
12787	1207	4	and	and	CC
12787	1207	5	boil	boil	VB
12787	1207	6	until	until	IN
12787	1207	7	the	the	DT
12787	1207	8	excess	excess	NN
12787	1207	9	of	of	IN
12787	1207	10	bromine	bromine	NN
12787	1207	11	is	be	VBZ
12787	1207	12	expelled	expel	VBN
12787	1207	13	.	.	.
12787	1208	1	Cool	cool	UH
12787	1208	2	,	,	,
12787	1208	3	and	and	CC
12787	1208	4	add	add	VB
12787	1208	5	strong	strong	JJ
12787	1208	6	ammonia	ammonia	NNP
12787	1208	7	(	(	-LRB-
12787	1208	8	sp	sp	NNP
12787	1208	9	.	.	.
12787	1209	1	gr	gr	NNP
12787	1209	2	.	.	.
12787	1210	1	0.90	0.90	LS
12787	1210	2	)	)	-RRB-
12787	1210	3	drop	drop	NN
12787	1210	4	by	by	IN
12787	1210	5	drop	drop	NN
12787	1210	6	until	until	IN
12787	1210	7	a	a	DT
12787	1210	8	deep	deep	JJ
12787	1210	9	blue	blue	JJ
12787	1210	10	color	color	NN
12787	1210	11	indicates	indicate	VBZ
12787	1210	12	the	the	DT
12787	1210	13	presence	presence	NN
12787	1210	14	of	of	IN
12787	1210	15	an	an	DT
12787	1210	16	excess	excess	NN
12787	1210	17	.	.	.
12787	1211	1	Boil	boil	VB
12787	1211	2	the	the	DT
12787	1211	3	solution	solution	NN
12787	1211	4	until	until	IN
12787	1211	5	the	the	DT
12787	1211	6	deep	deep	JJ
12787	1211	7	blue	blue	NN
12787	1211	8	is	be	VBZ
12787	1211	9	replaced	replace	VBN
12787	1211	10	by	by	IN
12787	1211	11	a	a	DT
12787	1211	12	light	light	JJ
12787	1211	13	bluish	bluish	JJ
12787	1211	14	green	green	NN
12787	1211	15	,	,	,
12787	1211	16	or	or	CC
12787	1211	17	a	a	DT
12787	1211	18	brown	brown	JJ
12787	1211	19	stain	stain	NN
12787	1211	20	appears	appear	VBZ
12787	1211	21	on	on	IN
12787	1211	22	the	the	DT
12787	1211	23	sides	side	NNS
12787	1211	24	of	of	IN
12787	1211	25	the	the	DT
12787	1211	26	flask	flask	NN
12787	1211	27	(	(	-LRB-
12787	1211	28	Note	note	NN
12787	1211	29	2	2	CD
12787	1211	30	)	)	-RRB-
12787	1211	31	.	.	.
12787	1212	1	Add	add	VB
12787	1212	2	10	10	CD
12787	1212	3	cc	cc	NN
12787	1212	4	.	.	.
12787	1213	1	of	of	IN
12787	1213	2	strong	strong	JJ
12787	1213	3	acetic	acetic	JJ
12787	1213	4	acid	acid	NN
12787	1213	5	(	(	-LRB-
12787	1213	6	sp	sp	NNP
12787	1213	7	.	.	.
12787	1214	1	gr	gr	NNP
12787	1214	2	.	.	.
12787	1215	1	1.04	1.04	LS
12787	1215	2	)	)	-RRB-
12787	1215	3	,	,	,
12787	1215	4	cool	cool	JJ
12787	1215	5	under	under	IN
12787	1215	6	the	the	DT
12787	1215	7	water	water	NN
12787	1215	8	tap	tap	NN
12787	1215	9	,	,	,
12787	1215	10	and	and	CC
12787	1215	11	add	add	VB
12787	1215	12	a	a	DT
12787	1215	13	solution	solution	NN
12787	1215	14	of	of	IN
12787	1215	15	potassium	potassium	NN
12787	1215	16	iodide	iodide	NN
12787	1215	17	(	(	-LRB-
12787	1215	18	Note	note	NN
12787	1215	19	3	3	CD
12787	1215	20	)	)	-RRB-
12787	1215	21	containing	contain	VBG
12787	1215	22	about	about	IN
12787	1215	23	3	3	CD
12787	1215	24	grams	gram	NNS
12787	1215	25	of	of	IN
12787	1215	26	the	the	DT
12787	1215	27	salt	salt	NN
12787	1215	28	,	,	,
12787	1215	29	and	and	CC
12787	1215	30	titrate	titrate	VB
12787	1215	31	with	with	IN
12787	1215	32	thiosulphate	thiosulphate	NN
12787	1215	33	solution	solution	NN
12787	1215	34	until	until	IN
12787	1215	35	the	the	DT
12787	1215	36	color	color	NN
12787	1215	37	of	of	IN
12787	1215	38	the	the	DT
12787	1215	39	liberated	liberated	JJ
12787	1215	40	iodine	iodine	NN
12787	1215	41	is	be	VBZ
12787	1215	42	nearly	nearly	RB
12787	1215	43	destroyed	destroy	VBN
12787	1215	44	.	.	.
12787	1216	1	Then	then	RB
12787	1216	2	add	add	VB
12787	1216	3	1	1	CD
12787	1216	4	-	-	SYM
12787	1216	5	2	2	CD
12787	1216	6	cc	cc	NN
12787	1216	7	.	.	.
12787	1217	1	of	of	IN
12787	1217	2	freshly	freshly	RB
12787	1217	3	prepared	prepare	VBN
12787	1217	4	starch	starch	NN
12787	1217	5	solution	solution	NN
12787	1217	6	,	,	,
12787	1217	7	and	and	CC
12787	1217	8	add	add	VB
12787	1217	9	thiosulphate	thiosulphate	NN
12787	1217	10	solution	solution	NN
12787	1217	11	,	,	,
12787	1217	12	drop	drop	NN
12787	1217	13	by	by	IN
12787	1217	14	drop	drop	NN
12787	1217	15	,	,	,
12787	1217	16	until	until	IN
12787	1217	17	the	the	DT
12787	1217	18	blue	blue	JJ
12787	1217	19	color	color	NN
12787	1217	20	is	be	VBZ
12787	1217	21	discharged	discharge	VBN
12787	1217	22	.	.	.
12787	1218	1	From	from	IN
12787	1218	2	the	the	DT
12787	1218	3	data	datum	NNS
12787	1218	4	obtained	obtain	VBN
12787	1218	5	,	,	,
12787	1218	6	including	include	VBG
12787	1218	7	the	the	DT
12787	1218	8	"	"	``
12787	1218	9	blank	blank	JJ
12787	1218	10	test	test	NN
12787	1218	11	"	"	''
12787	1218	12	of	of	IN
12787	1218	13	the	the	DT
12787	1218	14	iodide	iodide	NN
12787	1218	15	,	,	,
12787	1218	16	calculate	calculate	VB
12787	1218	17	the	the	DT
12787	1218	18	relation	relation	NN
12787	1218	19	of	of	IN
12787	1218	20	the	the	DT
12787	1218	21	thiosulphate	thiosulphate	NN
12787	1218	22	solution	solution	NN
12787	1218	23	to	to	IN
12787	1218	24	the	the	DT
12787	1218	25	normal	normal	JJ
12787	1218	26	.	.	.
12787	1219	1	[	[	-LRB-
12787	1219	2	Note	note	NN
12787	1219	3	1	1	CD
12787	1219	4	:	:	:
12787	1219	5	While	while	IN
12787	1219	6	copper	copper	NN
12787	1219	7	wire	wire	NN
12787	1219	8	of	of	IN
12787	1219	9	commerce	commerce	NN
12787	1219	10	is	be	VBZ
12787	1219	11	not	not	RB
12787	1219	12	absolutely	absolutely	RB
12787	1219	13	pure	pure	JJ
12787	1219	14	,	,	,
12787	1219	15	the	the	DT
12787	1219	16	requirements	requirement	NNS
12787	1219	17	for	for	IN
12787	1219	18	its	-PRON-	PRP$
12787	1219	19	use	use	NN
12787	1219	20	as	as	IN
12787	1219	21	a	a	DT
12787	1219	22	conductor	conductor	NN
12787	1219	23	of	of	IN
12787	1219	24	electricity	electricity	NN
12787	1219	25	are	be	VBP
12787	1219	26	such	such	JJ
12787	1219	27	that	that	IN
12787	1219	28	the	the	DT
12787	1219	29	impurities	impurity	NNS
12787	1219	30	constitute	constitute	VBP
12787	1219	31	only	only	RB
12787	1219	32	a	a	DT
12787	1219	33	few	few	JJ
12787	1219	34	hundredths	hundredth	NNS
12787	1219	35	of	of	IN
12787	1219	36	one	one	CD
12787	1219	37	per	per	IN
12787	1219	38	cent	cent	NN
12787	1219	39	and	and	CC
12787	1219	40	are	be	VBP
12787	1219	41	negligible	negligible	JJ
12787	1219	42	for	for	IN
12787	1219	43	analytical	analytical	JJ
12787	1219	44	purposes	purpose	NNS
12787	1219	45	.	.	.
12787	1219	46	]	]	-RRB-
12787	1220	1	[	[	-LRB-
12787	1220	2	Note	note	NN
12787	1220	3	2	2	CD
12787	1220	4	:	:	:
12787	1220	5	Ammonia	Ammonia	NNP
12787	1220	6	neutralizes	neutralize	VBZ
12787	1220	7	the	the	DT
12787	1220	8	free	free	JJ
12787	1220	9	nitric	nitric	JJ
12787	1220	10	acid	acid	NN
12787	1220	11	.	.	.
12787	1221	1	It	-PRON-	PRP
12787	1221	2	should	should	MD
12787	1221	3	be	be	VB
12787	1221	4	added	add	VBN
12787	1221	5	in	in	IN
12787	1221	6	slight	slight	JJ
12787	1221	7	excess	excess	NN
12787	1221	8	only	only	RB
12787	1221	9	,	,	,
12787	1221	10	since	since	IN
12787	1221	11	the	the	DT
12787	1221	12	excess	excess	NN
12787	1221	13	must	must	MD
12787	1221	14	be	be	VB
12787	1221	15	removed	remove	VBN
12787	1221	16	by	by	IN
12787	1221	17	boiling	boil	VBG
12787	1221	18	,	,	,
12787	1221	19	which	which	WDT
12787	1221	20	is	be	VBZ
12787	1221	21	tedious	tedious	JJ
12787	1221	22	.	.	.
12787	1222	1	If	if	IN
12787	1222	2	too	too	RB
12787	1222	3	much	much	JJ
12787	1222	4	ammonia	ammonia	NN
12787	1222	5	is	be	VBZ
12787	1222	6	present	present	JJ
12787	1222	7	when	when	WRB
12787	1222	8	acetic	acetic	JJ
12787	1222	9	acid	acid	NN
12787	1222	10	is	be	VBZ
12787	1222	11	added	add	VBN
12787	1222	12	,	,	,
12787	1222	13	the	the	DT
12787	1222	14	resulting	result	VBG
12787	1222	15	ammonium	ammonium	NN
12787	1222	16	acetate	acetate	NN
12787	1222	17	is	be	VBZ
12787	1222	18	hydrolyzed	hydrolyze	VBN
12787	1222	19	,	,	,
12787	1222	20	and	and	CC
12787	1222	21	the	the	DT
12787	1222	22	ammonium	ammonium	NN
12787	1222	23	hydroxide	hydroxide	NN
12787	1222	24	reacts	react	NNS
12787	1222	25	with	with	IN
12787	1222	26	the	the	DT
12787	1222	27	iodine	iodine	NN
12787	1222	28	set	set	VBN
12787	1222	29	free	free	JJ
12787	1222	30	.	.	.
12787	1222	31	]	]	-RRB-
12787	1223	1	[	[	-LRB-
12787	1223	2	Note	note	NN
12787	1223	3	3	3	CD
12787	1223	4	:	:	:
12787	1223	5	A	a	DT
12787	1223	6	considerable	considerable	JJ
12787	1223	7	excess	excess	NN
12787	1223	8	of	of	IN
12787	1223	9	potassium	potassium	NN
12787	1223	10	iodide	iodide	NN
12787	1223	11	is	be	VBZ
12787	1223	12	necessary	necessary	JJ
12787	1223	13	for	for	IN
12787	1223	14	the	the	DT
12787	1223	15	prompt	prompt	JJ
12787	1223	16	liberation	liberation	NN
12787	1223	17	of	of	IN
12787	1223	18	iodine	iodine	NN
12787	1223	19	.	.	.
12787	1224	1	While	while	IN
12787	1224	2	a	a	DT
12787	1224	3	large	large	JJ
12787	1224	4	excess	excess	NN
12787	1224	5	will	will	MD
12787	1224	6	do	do	VB
12787	1224	7	no	no	DT
12787	1224	8	harm	harm	NN
12787	1224	9	,	,	,
12787	1224	10	the	the	DT
12787	1224	11	cost	cost	NN
12787	1224	12	of	of	IN
12787	1224	13	this	this	DT
12787	1224	14	reagent	reagent	NN
12787	1224	15	is	be	VBZ
12787	1224	16	so	so	RB
12787	1224	17	great	great	JJ
12787	1224	18	that	that	IN
12787	1224	19	waste	waste	NN
12787	1224	20	should	should	MD
12787	1224	21	be	be	VB
12787	1224	22	avoided	avoid	VBN
12787	1224	23	.	.	.
12787	1224	24	]	]	-RRB-
12787	1225	1	!	!	.
12787	1225	2	Method	Method	NNP
12787	1225	3	C	C	NNP
12787	1225	4	!	!	.
12787	1226	1	PROCEDURE.--Weigh	procedure.--weigh	VB
12787	1226	2	out	out	RP
12787	1226	3	into	into	IN
12787	1226	4	500	500	CD
12787	1226	5	cc	cc	NN
12787	1226	6	.	.	.
12787	1227	1	beakers	beaker	NNS
12787	1227	2	two	two	CD
12787	1227	3	portions	portion	NNS
12787	1227	4	of	of	IN
12787	1227	5	0.175	0.175	CD
12787	1227	6	-	-	HYPH
12787	1227	7	0.200	0.200	CD
12787	1227	8	gram	gram	NN
12787	1227	9	each	each	DT
12787	1227	10	of	of	IN
12787	1227	11	pure	pure	JJ
12787	1227	12	arsenious	arsenious	JJ
12787	1227	13	oxide	oxide	NN
12787	1227	14	.	.	.
12787	1228	1	Dissolve	dissolve	VB
12787	1228	2	each	each	DT
12787	1228	3	of	of	IN
12787	1228	4	these	these	DT
12787	1228	5	in	in	IN
12787	1228	6	10	10	CD
12787	1228	7	cc	cc	NN
12787	1228	8	.	.	.
12787	1229	1	of	of	IN
12787	1229	2	sodium	sodium	NNP
12787	1229	3	hydroxide	hydroxide	NN
12787	1229	4	solution	solution	NN
12787	1229	5	,	,	,
12787	1229	6	with	with	IN
12787	1229	7	stirring	stir	VBG
12787	1229	8	.	.	.
12787	1230	1	Dilute	dilute	VB
12787	1230	2	the	the	DT
12787	1230	3	solutions	solution	NNS
12787	1230	4	to	to	IN
12787	1230	5	150	150	CD
12787	1230	6	cc	cc	NN
12787	1230	7	.	.	.
12787	1231	1	and	and	CC
12787	1231	2	add	add	VB
12787	1231	3	dilute	dilute	NN
12787	1231	4	hydrochloric	hydrochloric	JJ
12787	1231	5	acid	acid	NN
12787	1231	6	until	until	IN
12787	1231	7	the	the	DT
12787	1231	8	solutions	solution	NNS
12787	1231	9	contain	contain	VBP
12787	1231	10	a	a	DT
12787	1231	11	few	few	JJ
12787	1231	12	drops	drop	NNS
12787	1231	13	in	in	IN
12787	1231	14	excess	excess	NN
12787	1231	15	,	,	,
12787	1231	16	and	and	CC
12787	1231	17	finally	finally	RB
12787	1231	18	add	add	VB
12787	1231	19	to	to	IN
12787	1231	20	each	each	DT
12787	1231	21	a	a	DT
12787	1231	22	concentrated	concentrated	JJ
12787	1231	23	solution	solution	NN
12787	1231	24	of	of	IN
12787	1231	25	5	5	CD
12787	1231	26	grams	gram	NNS
12787	1231	27	of	of	IN
12787	1231	28	pure	pure	JJ
12787	1231	29	sodium	sodium	NN
12787	1231	30	bicarbonate	bicarbonate	NN
12787	1231	31	(	(	-LRB-
12787	1231	32	NaHCO_{3	NaHCO_{3	NNP
12787	1231	33	}	}	-RRB-
12787	1231	34	)	)	-RRB-
12787	1231	35	in	in	IN
12787	1231	36	water	water	NN
12787	1231	37	.	.	.
12787	1232	1	Cover	cover	VB
12787	1232	2	the	the	DT
12787	1232	3	beakers	beaker	NNS
12787	1232	4	before	before	IN
12787	1232	5	adding	add	VBG
12787	1232	6	the	the	DT
12787	1232	7	bicarbonate	bicarbonate	NN
12787	1232	8	,	,	,
12787	1232	9	to	to	TO
12787	1232	10	avoid	avoid	VB
12787	1232	11	loss	loss	NN
12787	1232	12	.	.	.
12787	1233	1	Add	add	VB
12787	1233	2	the	the	DT
12787	1233	3	starch	starch	NN
12787	1233	4	solution	solution	NN
12787	1233	5	and	and	CC
12787	1233	6	titrate	titrate	VB
12787	1233	7	with	with	IN
12787	1233	8	the	the	DT
12787	1233	9	iodine	iodine	NN
12787	1233	10	to	to	IN
12787	1233	11	the	the	DT
12787	1233	12	appearance	appearance	NN
12787	1233	13	of	of	IN
12787	1233	14	the	the	DT
12787	1233	15	blue	blue	NN
12787	1233	16	of	of	IN
12787	1233	17	the	the	DT
12787	1233	18	iodo	iodo	NN
12787	1233	19	-	-	HYPH
12787	1233	20	starch	starch	NN
12787	1233	21	,	,	,
12787	1233	22	taking	take	VBG
12787	1233	23	care	care	NN
12787	1233	24	not	not	RB
12787	1233	25	to	to	TO
12787	1233	26	pass	pass	VB
12787	1233	27	the	the	DT
12787	1233	28	end	end	NN
12787	1233	29	-	-	HYPH
12787	1233	30	point	point	NN
12787	1233	31	by	by	IN
12787	1233	32	more	more	JJR
12787	1233	33	than	than	IN
12787	1233	34	a	a	DT
12787	1233	35	few	few	JJ
12787	1233	36	drops	drop	NNS
12787	1233	37	(	(	-LRB-
12787	1233	38	Note	note	NN
12787	1233	39	1	1	CD
12787	1233	40	)	)	-RRB-
12787	1233	41	.	.	.
12787	1234	1	From	from	IN
12787	1234	2	the	the	DT
12787	1234	3	corrected	correct	VBN
12787	1234	4	volume	volume	NN
12787	1234	5	of	of	IN
12787	1234	6	the	the	DT
12787	1234	7	iodine	iodine	NN
12787	1234	8	solution	solution	NN
12787	1234	9	used	use	VBN
12787	1234	10	to	to	TO
12787	1234	11	oxidize	oxidize	VB
12787	1234	12	the	the	DT
12787	1234	13	arsenious	arsenious	JJ
12787	1234	14	oxide	oxide	NN
12787	1234	15	,	,	,
12787	1234	16	calculate	calculate	VB
12787	1234	17	its	-PRON-	PRP$
12787	1234	18	relation	relation	NN
12787	1234	19	to	to	IN
12787	1234	20	the	the	DT
12787	1234	21	normal	normal	JJ
12787	1234	22	.	.	.
12787	1235	1	From	from	IN
12787	1235	2	the	the	DT
12787	1235	3	ratio	ratio	NN
12787	1235	4	between	between	IN
12787	1235	5	the	the	DT
12787	1235	6	solutions	solution	NNS
12787	1235	7	,	,	,
12787	1235	8	calculate	calculate	VB
12787	1235	9	the	the	DT
12787	1235	10	similar	similar	JJ
12787	1235	11	value	value	NN
12787	1235	12	for	for	IN
12787	1235	13	the	the	DT
12787	1235	14	thiosulphate	thiosulphate	NN
12787	1235	15	solution	solution	NN
12787	1235	16	.	.	.
12787	1236	1	[	[	-LRB-
12787	1236	2	Note	note	NN
12787	1236	3	1	1	CD
12787	1236	4	:	:	:
12787	1236	5	Arsenious	arsenious	JJ
12787	1236	6	oxide	oxide	NN
12787	1236	7	dissolves	dissolve	NNS
12787	1236	8	more	more	RBR
12787	1236	9	readily	readily	RB
12787	1236	10	in	in	IN
12787	1236	11	caustic	caustic	JJ
12787	1236	12	alkali	alkali	NN
12787	1236	13	than	than	IN
12787	1236	14	in	in	IN
12787	1236	15	a	a	DT
12787	1236	16	bicarbonate	bicarbonate	JJ
12787	1236	17	solution	solution	NN
12787	1236	18	,	,	,
12787	1236	19	but	but	CC
12787	1236	20	the	the	DT
12787	1236	21	presence	presence	NN
12787	1236	22	of	of	IN
12787	1236	23	caustic	caustic	JJ
12787	1236	24	alkali	alkali	NN
12787	1236	25	during	during	IN
12787	1236	26	the	the	DT
12787	1236	27	titration	titration	NN
12787	1236	28	is	be	VBZ
12787	1236	29	not	not	RB
12787	1236	30	admissible	admissible	JJ
12787	1236	31	.	.	.
12787	1237	1	It	-PRON-	PRP
12787	1237	2	is	be	VBZ
12787	1237	3	therefore	therefore	RB
12787	1237	4	destroyed	destroy	VBN
12787	1237	5	by	by	IN
12787	1237	6	the	the	DT
12787	1237	7	addition	addition	NN
12787	1237	8	of	of	IN
12787	1237	9	acid	acid	NN
12787	1237	10	,	,	,
12787	1237	11	and	and	CC
12787	1237	12	the	the	DT
12787	1237	13	solution	solution	NN
12787	1237	14	is	be	VBZ
12787	1237	15	then	then	RB
12787	1237	16	made	make	VBN
12787	1237	17	neutral	neutral	JJ
12787	1237	18	with	with	IN
12787	1237	19	the	the	DT
12787	1237	20	solution	solution	NN
12787	1237	21	of	of	IN
12787	1237	22	bicarbonate	bicarbonate	NN
12787	1237	23	,	,	,
12787	1237	24	part	part	NN
12787	1237	25	of	of	IN
12787	1237	26	which	which	WDT
12787	1237	27	reacts	react	VBZ
12787	1237	28	with	with	IN
12787	1237	29	the	the	DT
12787	1237	30	acid	acid	NN
12787	1237	31	,	,	,
12787	1237	32	the	the	DT
12787	1237	33	excess	excess	NN
12787	1237	34	remaining	remain	VBG
12787	1237	35	in	in	IN
12787	1237	36	solution	solution	NN
12787	1237	37	.	.	.
12787	1238	1	The	the	DT
12787	1238	2	reaction	reaction	NN
12787	1238	3	during	during	IN
12787	1238	4	titration	titration	NN
12787	1238	5	is	be	VBZ
12787	1238	6	the	the	DT
12787	1238	7	following	follow	VBG
12787	1238	8	:	:	:
12787	1238	9	Na_{3}AsO_{3	na_{3}aso_{3	NN
12787	1238	10	}	}	-RRB-
12787	1238	11	+	+	CC
12787	1238	12	I_{2	I_{2	NNP
12787	1238	13	}	}	-RRB-
12787	1238	14	+	+	SYM
12787	1238	15	2NaHCO_{3	2nahco_{3	NN
12787	1238	16	}	}	-RRB-
12787	1238	17	--	--	:
12787	1238	18	>	>	XX
12787	1238	19	Na_{3}AsO_{4	Na_{3}AsO_{4	NNP
12787	1238	20	}	}	-RRB-
12787	1238	21	+	+	CC
12787	1238	22	2NaI	2nai	CD
12787	1238	23	+	+	SYM
12787	1238	24	2CO_{2	2co_{2	CD
12787	1238	25	}	}	-RRB-
12787	1238	26	+	+	CC
12787	1238	27	H_{2}O	h_{2}o	NN
12787	1238	28	As	as	IN
12787	1238	29	the	the	DT
12787	1238	30	reaction	reaction	NN
12787	1238	31	between	between	IN
12787	1238	32	sodium	sodium	NN
12787	1238	33	thiosulphate	thiosulphate	NN
12787	1238	34	and	and	CC
12787	1238	35	iodine	iodine	NN
12787	1238	36	is	be	VBZ
12787	1238	37	not	not	RB
12787	1238	38	always	always	RB
12787	1238	39	free	free	JJ
12787	1238	40	from	from	IN
12787	1238	41	secondary	secondary	JJ
12787	1238	42	reactions	reaction	NNS
12787	1238	43	in	in	IN
12787	1238	44	the	the	DT
12787	1238	45	presence	presence	NN
12787	1238	46	of	of	IN
12787	1238	47	even	even	RB
12787	1238	48	the	the	DT
12787	1238	49	weakly	weakly	WDT
12787	1238	50	alkaline	alkaline	NNP
12787	1238	51	bicarbonate	bicarbonate	NNP
12787	1238	52	,	,	,
12787	1238	53	it	-PRON-	PRP
12787	1238	54	is	be	VBZ
12787	1238	55	best	good	JJS
12787	1238	56	to	to	TO
12787	1238	57	avoid	avoid	VB
12787	1238	58	the	the	DT
12787	1238	59	addition	addition	NN
12787	1238	60	of	of	IN
12787	1238	61	any	any	DT
12787	1238	62	considerable	considerable	JJ
12787	1238	63	excess	excess	NN
12787	1238	64	of	of	IN
12787	1238	65	iodine	iodine	NN
12787	1238	66	.	.	.
12787	1239	1	Should	Should	MD
12787	1239	2	the	the	DT
12787	1239	3	end	end	NN
12787	1239	4	-	-	HYPH
12787	1239	5	point	point	NN
12787	1239	6	be	be	VB
12787	1239	7	passed	pass	VBN
12787	1239	8	by	by	IN
12787	1239	9	a	a	DT
12787	1239	10	few	few	JJ
12787	1239	11	drops	drop	NNS
12787	1239	12	,	,	,
12787	1239	13	the	the	DT
12787	1239	14	thiosulphate	thiosulphate	NN
12787	1239	15	may	may	MD
12787	1239	16	be	be	VB
12787	1239	17	used	use	VBN
12787	1239	18	to	to	TO
12787	1239	19	correct	correct	VB
12787	1239	20	it	-PRON-	PRP
12787	1239	21	.	.	.
12787	1239	22	]	]	-RRB-
12787	1240	1	DETERMINATION	determination	NN
12787	1240	2	OF	of	IN
12787	1240	3	COPPER	COPPER	NNP
12787	1240	4	IN	in	IN
12787	1240	5	ORES	ORES	NNP
12787	1240	6	Copper	Copper	NNP
12787	1240	7	ores	ore	NNS
12787	1240	8	vary	vary	VBP
12787	1240	9	widely	widely	RB
12787	1240	10	in	in	IN
12787	1240	11	composition	composition	NN
12787	1240	12	from	from	IN
12787	1240	13	the	the	DT
12787	1240	14	nearly	nearly	RB
12787	1240	15	pure	pure	JJ
12787	1240	16	copper	copper	NN
12787	1240	17	minerals	mineral	NNS
12787	1240	18	,	,	,
12787	1240	19	such	such	JJ
12787	1240	20	as	as	IN
12787	1240	21	malachite	malachite	NN
12787	1240	22	and	and	CC
12787	1240	23	copper	copper	NN
12787	1240	24	sulphide	sulphide	NN
12787	1240	25	,	,	,
12787	1240	26	to	to	IN
12787	1240	27	very	very	RB
12787	1240	28	low	low	JJ
12787	1240	29	grade	grade	NN
12787	1240	30	materials	material	NNS
12787	1240	31	which	which	WDT
12787	1240	32	contain	contain	VBP
12787	1240	33	such	such	JJ
12787	1240	34	impurities	impurity	NNS
12787	1240	35	as	as	IN
12787	1240	36	silica	silica	NN
12787	1240	37	,	,	,
12787	1240	38	lead	lead	NN
12787	1240	39	,	,	,
12787	1240	40	iron	iron	NN
12787	1240	41	,	,	,
12787	1240	42	silver	silver	NN
12787	1240	43	,	,	,
12787	1240	44	sulphur	sulphur	NNP
12787	1240	45	,	,	,
12787	1240	46	arsenic	arsenic	JJ
12787	1240	47	,	,	,
12787	1240	48	and	and	CC
12787	1240	49	antimony	antimony	NN
12787	1240	50	.	.	.
12787	1241	1	In	in	IN
12787	1241	2	nearly	nearly	RB
12787	1241	3	all	all	DT
12787	1241	4	varieties	variety	NNS
12787	1241	5	there	there	EX
12787	1241	6	will	will	MD
12787	1241	7	be	be	VB
12787	1241	8	found	find	VBN
12787	1241	9	a	a	DT
12787	1241	10	siliceous	siliceous	JJ
12787	1241	11	residue	residue	NN
12787	1241	12	insoluble	insoluble	NN
12787	1241	13	in	in	IN
12787	1241	14	acids	acid	NNS
12787	1241	15	.	.	.
12787	1242	1	The	the	DT
12787	1242	2	method	method	NN
12787	1242	3	here	here	RB
12787	1242	4	given	give	VBN
12787	1242	5	,	,	,
12787	1242	6	which	which	WDT
12787	1242	7	is	be	VBZ
12787	1242	8	a	a	DT
12787	1242	9	modification	modification	NN
12787	1242	10	of	of	IN
12787	1242	11	that	that	DT
12787	1242	12	described	describe	VBN
12787	1242	13	by	by	IN
12787	1242	14	A.H.	A.H.	NNP
12787	1242	15	Low	Low	NNP
12787	1242	16	(	(	-LRB-
12787	1242	17	!	!	.
12787	1242	18	J.	J.	NNP
12787	1243	1	Am	Am	NNP
12787	1243	2	.	.	.
12787	1244	1	Chem	Chem	NNP
12787	1244	2	.	.	.
12787	1245	1	Soc	Soc	NNP
12787	1245	2	.	.	.
12787	1245	3	!	!	.
12787	1246	1	(	(	-LRB-
12787	1246	2	1902	1902	CD
12787	1246	3	)	)	-RRB-
12787	1246	4	,	,	,
12787	1246	5	24	24	CD
12787	1246	6	,	,	,
12787	1246	7	1082	1082	CD
12787	1246	8	)	)	-RRB-
12787	1246	9	,	,	,
12787	1246	10	provides	provide	VBZ
12787	1246	11	for	for	IN
12787	1246	12	the	the	DT
12787	1246	13	extraction	extraction	NN
12787	1246	14	of	of	IN
12787	1246	15	the	the	DT
12787	1246	16	copper	copper	NN
12787	1246	17	from	from	IN
12787	1246	18	commonly	commonly	RB
12787	1246	19	occurring	occur	VBG
12787	1246	20	ores	ore	NNS
12787	1246	21	,	,	,
12787	1246	22	and	and	CC
12787	1246	23	for	for	IN
12787	1246	24	the	the	DT
12787	1246	25	presence	presence	NN
12787	1246	26	of	of	IN
12787	1246	27	their	-PRON-	PRP$
12787	1246	28	common	common	JJ
12787	1246	29	impurities	impurity	NNS
12787	1246	30	.	.	.
12787	1247	1	For	for	IN
12787	1247	2	practice	practice	NN
12787	1247	3	analyses	analysis	NNS
12787	1247	4	it	-PRON-	PRP
12787	1247	5	is	be	VBZ
12787	1247	6	advisable	advisable	JJ
12787	1247	7	to	to	TO
12787	1247	8	select	select	VB
12787	1247	9	an	an	DT
12787	1247	10	ore	ore	NN
12787	1247	11	of	of	IN
12787	1247	12	a	a	DT
12787	1247	13	fair	fair	JJ
12787	1247	14	degree	degree	NN
12787	1247	15	of	of	IN
12787	1247	16	purity	purity	NN
12787	1247	17	.	.	.
12787	1248	1	PROCEDURE.--	procedure.--	LS
12787	1248	2	Weigh	weigh	VB
12787	1248	3	out	out	RP
12787	1248	4	two	two	CD
12787	1248	5	portions	portion	NNS
12787	1248	6	of	of	IN
12787	1248	7	about	about	RB
12787	1248	8	0.5	0.5	CD
12787	1248	9	gram	gram	NN
12787	1248	10	each	each	DT
12787	1248	11	of	of	IN
12787	1248	12	the	the	DT
12787	1248	13	ore	ore	NN
12787	1248	14	(	(	-LRB-
12787	1248	15	which	which	WDT
12787	1248	16	should	should	MD
12787	1248	17	be	be	VB
12787	1248	18	ground	grind	VBN
12787	1248	19	until	until	IN
12787	1248	20	no	no	DT
12787	1248	21	grit	grit	NN
12787	1248	22	is	be	VBZ
12787	1248	23	detected	detect	VBN
12787	1248	24	)	)	-RRB-
12787	1248	25	into	into	IN
12787	1248	26	250	250	CD
12787	1248	27	cc	cc	NN
12787	1248	28	.	.	.
12787	1249	1	Erlenmeyer	Erlenmeyer	NNP
12787	1249	2	flasks	flask	NNS
12787	1249	3	or	or	CC
12787	1249	4	small	small	JJ
12787	1249	5	beakers	beaker	NNS
12787	1249	6	.	.	.
12787	1250	1	Add	add	VB
12787	1250	2	10	10	CD
12787	1250	3	cc	cc	NN
12787	1250	4	.	.	.
12787	1251	1	of	of	IN
12787	1251	2	concentrated	concentrated	JJ
12787	1251	3	nitric	nitric	NNP
12787	1251	4	acid	acid	NNP
12787	1251	5	(	(	-LRB-
12787	1251	6	sp	sp	NNP
12787	1251	7	.	.	.
12787	1252	1	gr	gr	NNP
12787	1252	2	.	.	.
12787	1253	1	1.42	1.42	CD
12787	1253	2	)	)	-RRB-
12787	1253	3	and	and	CC
12787	1253	4	heat	heat	VB
12787	1253	5	very	very	RB
12787	1253	6	gently	gently	RB
12787	1253	7	until	until	IN
12787	1253	8	the	the	DT
12787	1253	9	ore	ore	NN
12787	1253	10	is	be	VBZ
12787	1253	11	decomposed	decompose	VBN
12787	1253	12	and	and	CC
12787	1253	13	the	the	DT
12787	1253	14	acid	acid	NN
12787	1253	15	evaporated	evaporate	VBD
12787	1253	16	nearly	nearly	RB
12787	1253	17	to	to	IN
12787	1253	18	dryness	dryness	NN
12787	1253	19	(	(	-LRB-
12787	1253	20	Note	note	NN
12787	1253	21	1	1	CD
12787	1253	22	)	)	-RRB-
12787	1253	23	.	.	.
12787	1254	1	Add	Add	NNP
12787	1254	2	5	5	CD
12787	1254	3	cc	cc	NN
12787	1254	4	.	.	.
12787	1255	1	of	of	IN
12787	1255	2	concentrated	concentrated	JJ
12787	1255	3	hydrochloric	hydrochloric	JJ
12787	1255	4	acid	acid	NN
12787	1255	5	(	(	-LRB-
12787	1255	6	sp	sp	NNP
12787	1255	7	.	.	.
12787	1256	1	gr	gr	NNP
12787	1256	2	.	.	.
12787	1257	1	1.2	1.2	LS
12787	1257	2	)	)	-RRB-
12787	1257	3	and	and	CC
12787	1257	4	warm	warm	VB
12787	1257	5	gently	gently	RB
12787	1257	6	.	.	.
12787	1258	1	Then	then	RB
12787	1258	2	add	add	VB
12787	1258	3	about	about	RB
12787	1258	4	7	7	CD
12787	1258	5	cc	cc	NN
12787	1258	6	.	.	.
12787	1259	1	of	of	IN
12787	1259	2	concentrated	concentrate	VBN
12787	1259	3	sulphuric	sulphuric	NNP
12787	1259	4	acid	acid	NNP
12787	1259	5	(	(	-LRB-
12787	1259	6	sp	sp	NNP
12787	1259	7	.	.	.
12787	1260	1	gr	gr	NNP
12787	1260	2	.	.	.
12787	1261	1	1.84	1.84	LS
12787	1261	2	)	)	-RRB-
12787	1261	3	and	and	CC
12787	1261	4	evaporate	evaporate	VB
12787	1261	5	over	over	IN
12787	1261	6	a	a	DT
12787	1261	7	free	free	JJ
12787	1261	8	flame	flame	NN
12787	1261	9	until	until	IN
12787	1261	10	the	the	DT
12787	1261	11	sulphuric	sulphuric	JJ
12787	1261	12	acid	acid	NN
12787	1261	13	fumes	fume	NNS
12787	1261	14	freely	freely	RB
12787	1261	15	(	(	-LRB-
12787	1261	16	Note	note	NN
12787	1261	17	2	2	CD
12787	1261	18	)	)	-RRB-
12787	1261	19	.	.	.
12787	1262	1	It	-PRON-	PRP
12787	1262	2	has	have	VBZ
12787	1262	3	then	then	RB
12787	1262	4	displaced	displace	VBN
12787	1262	5	nitric	nitric	JJ
12787	1262	6	and	and	CC
12787	1262	7	hydrochloric	hydrochloric	JJ
12787	1262	8	acid	acid	NN
12787	1262	9	from	from	IN
12787	1262	10	their	-PRON-	PRP$
12787	1262	11	compounds	compound	NNS
12787	1262	12	.	.	.
12787	1263	1	Cool	cool	VB
12787	1263	2	the	the	DT
12787	1263	3	flask	flask	NN
12787	1263	4	or	or	CC
12787	1263	5	beaker	beaker	NN
12787	1263	6	,	,	,
12787	1263	7	add	add	VB
12787	1263	8	25	25	CD
12787	1263	9	cc	cc	NN
12787	1263	10	.	.	.
12787	1264	1	of	of	IN
12787	1264	2	water	water	NN
12787	1264	3	,	,	,
12787	1264	4	heat	heat	VB
12787	1264	5	the	the	DT
12787	1264	6	solution	solution	NN
12787	1264	7	to	to	IN
12787	1264	8	boiling	boil	VBG
12787	1264	9	,	,	,
12787	1264	10	and	and	CC
12787	1264	11	boil	boil	VB
12787	1264	12	for	for	IN
12787	1264	13	two	two	CD
12787	1264	14	minutes	minute	NNS
12787	1264	15	.	.	.
12787	1265	1	Filter	filter	NN
12787	1265	2	to	to	TO
12787	1265	3	remove	remove	VB
12787	1265	4	insoluble	insoluble	JJ
12787	1265	5	sulphates	sulphate	NNS
12787	1265	6	,	,	,
12787	1265	7	silica	silica	NN
12787	1265	8	and	and	CC
12787	1265	9	any	any	DT
12787	1265	10	silver	silver	NN
12787	1265	11	that	that	WDT
12787	1265	12	may	may	MD
12787	1265	13	have	have	VB
12787	1265	14	been	be	VBN
12787	1265	15	precipitated	precipitate	VBN
12787	1265	16	as	as	IN
12787	1265	17	silver	silver	NN
12787	1265	18	chloride	chloride	NN
12787	1265	19	,	,	,
12787	1265	20	and	and	CC
12787	1265	21	receive	receive	VB
12787	1265	22	the	the	DT
12787	1265	23	filtrate	filtrate	JJ
12787	1265	24	in	in	IN
12787	1265	25	a	a	DT
12787	1265	26	small	small	JJ
12787	1265	27	beaker	beaker	NN
12787	1265	28	,	,	,
12787	1265	29	washing	wash	VBG
12787	1265	30	the	the	DT
12787	1265	31	precipitate	precipitate	NN
12787	1265	32	and	and	CC
12787	1265	33	filter	filter	NN
12787	1265	34	paper	paper	NN
12787	1265	35	with	with	IN
12787	1265	36	warm	warm	JJ
12787	1265	37	water	water	NN
12787	1265	38	until	until	IN
12787	1265	39	the	the	DT
12787	1265	40	filtrate	filtrate	JJ
12787	1265	41	and	and	CC
12787	1265	42	washings	washing	NNS
12787	1265	43	amount	amount	NN
12787	1265	44	to	to	IN
12787	1265	45	75	75	CD
12787	1265	46	cc	cc	NN
12787	1265	47	.	.	.
12787	1266	1	Bend	bend	VB
12787	1266	2	a	a	DT
12787	1266	3	strip	strip	NN
12787	1266	4	of	of	IN
12787	1266	5	aluminium	aluminium	NN
12787	1266	6	foil	foil	NN
12787	1266	7	(	(	-LRB-
12787	1266	8	5	5	CD
12787	1266	9	cm	cm	NNS
12787	1266	10	.	.	.
12787	1267	1	x	x	SYM
12787	1267	2	12	12	CD
12787	1267	3	cm	cm	NNS
12787	1267	4	.	.	.
12787	1267	5	)	)	-RRB-
12787	1268	1	into	into	IN
12787	1268	2	triangular	triangular	JJ
12787	1268	3	form	form	NN
12787	1268	4	and	and	CC
12787	1268	5	place	place	VB
12787	1268	6	it	-PRON-	PRP
12787	1268	7	on	on	IN
12787	1268	8	edge	edge	NN
12787	1268	9	in	in	IN
12787	1268	10	the	the	DT
12787	1268	11	beaker	beaker	NN
12787	1268	12	.	.	.
12787	1269	1	Cover	cover	VB
12787	1269	2	the	the	DT
12787	1269	3	beaker	beaker	NN
12787	1269	4	and	and	CC
12787	1269	5	boil	boil	VB
12787	1269	6	the	the	DT
12787	1269	7	solution	solution	NN
12787	1269	8	(	(	-LRB-
12787	1269	9	being	be	VBG
12787	1269	10	careful	careful	JJ
12787	1269	11	to	to	TO
12787	1269	12	avoid	avoid	VB
12787	1269	13	loss	loss	NN
12787	1269	14	of	of	IN
12787	1269	15	liquid	liquid	NN
12787	1269	16	by	by	IN
12787	1269	17	spattering	spatter	VBG
12787	1269	18	)	)	-RRB-
12787	1269	19	for	for	IN
12787	1269	20	ten	ten	CD
12787	1269	21	minutes	minute	NNS
12787	1269	22	,	,	,
12787	1269	23	but	but	CC
12787	1269	24	do	do	VBP
12787	1269	25	not	not	RB
12787	1269	26	evaporate	evaporate	VB
12787	1269	27	to	to	IN
12787	1269	28	small	small	JJ
12787	1269	29	volume	volume	NN
12787	1269	30	.	.	.
12787	1270	1	Wash	wash	VB
12787	1270	2	the	the	DT
12787	1270	3	cover	cover	NN
12787	1270	4	glass	glass	NN
12787	1270	5	and	and	CC
12787	1270	6	sides	side	NNS
12787	1270	7	of	of	IN
12787	1270	8	the	the	DT
12787	1270	9	beaker	beaker	NN
12787	1270	10	.	.	.
12787	1271	1	The	the	DT
12787	1271	2	copper	copper	NN
12787	1271	3	should	should	MD
12787	1271	4	now	now	RB
12787	1271	5	be	be	VB
12787	1271	6	in	in	IN
12787	1271	7	the	the	DT
12787	1271	8	form	form	NN
12787	1271	9	of	of	IN
12787	1271	10	a	a	DT
12787	1271	11	precipitate	precipitate	NN
12787	1271	12	at	at	IN
12787	1271	13	the	the	DT
12787	1271	14	bottom	bottom	NN
12787	1271	15	of	of	IN
12787	1271	16	the	the	DT
12787	1271	17	beaker	beaker	NN
12787	1271	18	or	or	CC
12787	1271	19	adhering	adhere	VBG
12787	1271	20	loosely	loosely	RB
12787	1271	21	to	to	IN
12787	1271	22	the	the	DT
12787	1271	23	aluminium	aluminium	NN
12787	1271	24	sheet	sheet	NN
12787	1271	25	.	.	.
12787	1272	1	Remove	remove	VB
12787	1272	2	the	the	DT
12787	1272	3	sheet	sheet	NN
12787	1272	4	,	,	,
12787	1272	5	wash	wash	VB
12787	1272	6	it	-PRON-	PRP
12787	1272	7	carefully	carefully	RB
12787	1272	8	with	with	IN
12787	1272	9	hydrogen	hydrogen	NN
12787	1272	10	sulphide	sulphide	NN
12787	1272	11	water	water	NN
12787	1272	12	and	and	CC
12787	1272	13	place	place	VB
12787	1272	14	it	-PRON-	PRP
12787	1272	15	in	in	IN
12787	1272	16	a	a	DT
12787	1272	17	small	small	JJ
12787	1272	18	beaker	beaker	NN
12787	1272	19	.	.	.
12787	1273	1	Decant	decant	VB
12787	1273	2	the	the	DT
12787	1273	3	solution	solution	NN
12787	1273	4	through	through	IN
12787	1273	5	a	a	DT
12787	1273	6	filter	filter	NN
12787	1273	7	,	,	,
12787	1273	8	wash	wash	VB
12787	1273	9	the	the	DT
12787	1273	10	precipitated	precipitate	VBN
12787	1273	11	copper	copper	NN
12787	1273	12	twice	twice	RB
12787	1273	13	by	by	IN
12787	1273	14	decantation	decantation	NN
12787	1273	15	with	with	IN
12787	1273	16	hydrogen	hydrogen	NN
12787	1273	17	sulphide	sulphide	NN
12787	1273	18	water	water	NN
12787	1273	19	,	,	,
12787	1273	20	and	and	CC
12787	1273	21	finally	finally	RB
12787	1273	22	transfer	transfer	VB
12787	1273	23	the	the	DT
12787	1273	24	copper	copper	NN
12787	1273	25	to	to	IN
12787	1273	26	the	the	DT
12787	1273	27	filter	filter	NN
12787	1273	28	paper	paper	NN
12787	1273	29	,	,	,
12787	1273	30	where	where	WRB
12787	1273	31	it	-PRON-	PRP
12787	1273	32	is	be	VBZ
12787	1273	33	again	again	RB
12787	1273	34	washed	wash	VBN
12787	1273	35	thoroughly	thoroughly	RB
12787	1273	36	,	,	,
12787	1273	37	being	be	VBG
12787	1273	38	careful	careful	JJ
12787	1273	39	at	at	IN
12787	1273	40	all	all	DT
12787	1273	41	times	time	NNS
12787	1273	42	to	to	TO
12787	1273	43	keep	keep	VB
12787	1273	44	the	the	DT
12787	1273	45	precipitated	precipitate	VBN
12787	1273	46	copper	copper	NN
12787	1273	47	covered	cover	VBN
12787	1273	48	with	with	IN
12787	1273	49	the	the	DT
12787	1273	50	wash	wash	NN
12787	1273	51	water	water	NN
12787	1273	52	.	.	.
12787	1274	1	Remove	remove	VB
12787	1274	2	and	and	CC
12787	1274	3	discard	discard	VB
12787	1274	4	the	the	DT
12787	1274	5	filtrate	filtrate	NN
12787	1274	6	and	and	CC
12787	1274	7	place	place	VB
12787	1274	8	an	an	DT
12787	1274	9	Erlenmeyer	Erlenmeyer	NNP
12787	1274	10	flask	flask	NN
12787	1274	11	under	under	IN
12787	1274	12	the	the	DT
12787	1274	13	funnel	funnel	NN
12787	1274	14	.	.	.
12787	1275	1	Pour	pour	NN
12787	1275	2	15	15	CD
12787	1275	3	cc	cc	NN
12787	1275	4	.	.	.
12787	1276	1	of	of	IN
12787	1276	2	dilute	dilute	NNP
12787	1276	3	nitric	nitric	NNP
12787	1276	4	acid	acid	NNP
12787	1276	5	(	(	-LRB-
12787	1276	6	sp	sp	NNP
12787	1276	7	.	.	.
12787	1277	1	gr	gr	NNP
12787	1277	2	.	.	.
12787	1278	1	1.20	1.20	LS
12787	1278	2	)	)	-RRB-
12787	1278	3	over	over	IN
12787	1278	4	the	the	DT
12787	1278	5	aluminium	aluminium	NN
12787	1278	6	foil	foil	NN
12787	1278	7	in	in	IN
12787	1278	8	the	the	DT
12787	1278	9	beaker	beaker	NN
12787	1278	10	,	,	,
12787	1278	11	thus	thus	RB
12787	1278	12	dissolving	dissolve	VBG
12787	1278	13	any	any	DT
12787	1278	14	adhering	adhere	VBG
12787	1278	15	copper	copper	NN
12787	1278	16	.	.	.
12787	1279	1	Wash	wash	VB
12787	1279	2	the	the	DT
12787	1279	3	foil	foil	NN
12787	1279	4	with	with	IN
12787	1279	5	hot	hot	JJ
12787	1279	6	water	water	NN
12787	1279	7	and	and	CC
12787	1279	8	remove	remove	VB
12787	1279	9	it	-PRON-	PRP
12787	1279	10	.	.	.
12787	1280	1	Warm	warm	VB
12787	1280	2	this	this	DT
12787	1280	3	nitric	nitric	JJ
12787	1280	4	acid	acid	NN
12787	1280	5	solution	solution	NN
12787	1280	6	and	and	CC
12787	1280	7	pour	pour	VB
12787	1280	8	it	-PRON-	PRP
12787	1280	9	slowly	slowly	RB
12787	1280	10	through	through	IN
12787	1280	11	the	the	DT
12787	1280	12	filter	filter	NN
12787	1280	13	paper	paper	NN
12787	1280	14	,	,	,
12787	1280	15	thereby	thereby	RB
12787	1280	16	dissolving	dissolve	VBG
12787	1280	17	the	the	DT
12787	1280	18	copper	copper	NN
12787	1280	19	on	on	IN
12787	1280	20	the	the	DT
12787	1280	21	paper	paper	NN
12787	1280	22	,	,	,
12787	1280	23	receiving	receive	VBG
12787	1280	24	the	the	DT
12787	1280	25	acid	acid	NN
12787	1280	26	solution	solution	NN
12787	1280	27	in	in	IN
12787	1280	28	the	the	DT
12787	1280	29	Erlenmeyer	Erlenmeyer	NNP
12787	1280	30	flask	flask	NN
12787	1280	31	.	.	.
12787	1281	1	Before	before	IN
12787	1281	2	washing	wash	VBG
12787	1281	3	the	the	DT
12787	1281	4	paper	paper	NN
12787	1281	5	,	,	,
12787	1281	6	pour	pour	NN
12787	1281	7	5	5	CD
12787	1281	8	cc	cc	NN
12787	1281	9	.	.	.
12787	1282	1	of	of	IN
12787	1282	2	saturated	saturate	VBN
12787	1282	3	bromine	bromine	NN
12787	1282	4	water	water	NN
12787	1282	5	(	(	-LRB-
12787	1282	6	Note	note	NN
12787	1282	7	3	3	CD
12787	1282	8	)	)	-RRB-
12787	1282	9	through	through	IN
12787	1282	10	it	-PRON-	PRP
12787	1282	11	and	and	CC
12787	1282	12	finally	finally	RB
12787	1282	13	wash	wash	VB
12787	1282	14	the	the	DT
12787	1282	15	paper	paper	NN
12787	1282	16	carefully	carefully	RB
12787	1282	17	with	with	IN
12787	1282	18	hot	hot	JJ
12787	1282	19	water	water	NN
12787	1282	20	and	and	CC
12787	1282	21	transfer	transfer	VB
12787	1282	22	any	any	DT
12787	1282	23	particles	particle	NNS
12787	1282	24	of	of	IN
12787	1282	25	copper	copper	NN
12787	1282	26	which	which	WDT
12787	1282	27	may	may	MD
12787	1282	28	be	be	VB
12787	1282	29	left	leave	VBN
12787	1282	30	on	on	IN
12787	1282	31	it	-PRON-	PRP
12787	1282	32	to	to	IN
12787	1282	33	the	the	DT
12787	1282	34	Erlenmeyer	Erlenmeyer	NNP
12787	1282	35	flask	flask	NN
12787	1282	36	.	.	.
12787	1283	1	Boil	Boil	NNP
12787	1283	2	to	to	TO
12787	1283	3	expel	expel	VB
12787	1283	4	the	the	DT
12787	1283	5	bromine	bromine	NN
12787	1283	6	.	.	.
12787	1284	1	Add	add	VB
12787	1284	2	concentrated	concentrated	JJ
12787	1284	3	ammonia	ammonia	NN
12787	1284	4	drop	drop	NN
12787	1284	5	by	by	IN
12787	1284	6	drop	drop	NN
12787	1284	7	until	until	IN
12787	1284	8	the	the	DT
12787	1284	9	appearance	appearance	NN
12787	1284	10	of	of	IN
12787	1284	11	a	a	DT
12787	1284	12	deep	deep	JJ
12787	1284	13	blue	blue	JJ
12787	1284	14	coloration	coloration	NN
12787	1284	15	indicates	indicate	VBZ
12787	1284	16	an	an	DT
12787	1284	17	excess	excess	NN
12787	1284	18	.	.	.
12787	1285	1	Boil	Boil	NNP
12787	1285	2	until	until	IN
12787	1285	3	the	the	DT
12787	1285	4	deep	deep	JJ
12787	1285	5	blue	blue	NN
12787	1285	6	is	be	VBZ
12787	1285	7	displaced	displace	VBN
12787	1285	8	by	by	IN
12787	1285	9	a	a	DT
12787	1285	10	light	light	JJ
12787	1285	11	bluish	bluish	JJ
12787	1285	12	green	green	JJ
12787	1285	13	coloration	coloration	NN
12787	1285	14	,	,	,
12787	1285	15	or	or	CC
12787	1285	16	until	until	IN
12787	1285	17	brown	brown	JJ
12787	1285	18	stains	stain	NNS
12787	1285	19	form	form	VBP
12787	1285	20	on	on	IN
12787	1285	21	the	the	DT
12787	1285	22	sides	side	NNS
12787	1285	23	of	of	IN
12787	1285	24	the	the	DT
12787	1285	25	flask	flask	NN
12787	1285	26	.	.	.
12787	1286	1	Add	add	VB
12787	1286	2	10	10	CD
12787	1286	3	cc	cc	NN
12787	1286	4	.	.	.
12787	1287	1	of	of	IN
12787	1287	2	strong	strong	JJ
12787	1287	3	acetic	acetic	JJ
12787	1287	4	acid	acid	NN
12787	1287	5	(	(	-LRB-
12787	1287	6	Note	note	NN
12787	1287	7	4	4	CD
12787	1287	8	)	)	-RRB-
12787	1287	9	and	and	CC
12787	1287	10	cool	cool	VB
12787	1287	11	under	under	IN
12787	1287	12	the	the	DT
12787	1287	13	water	water	NN
12787	1287	14	tap	tap	NN
12787	1287	15	.	.	.
12787	1288	1	Add	add	VB
12787	1288	2	a	a	DT
12787	1288	3	solution	solution	NN
12787	1288	4	containing	contain	VBG
12787	1288	5	about	about	IN
12787	1288	6	3	3	CD
12787	1288	7	grams	gram	NNS
12787	1288	8	of	of	IN
12787	1288	9	potassium	potassium	NN
12787	1288	10	iodide	iodide	NN
12787	1288	11	,	,	,
12787	1288	12	as	as	IN
12787	1288	13	in	in	IN
12787	1288	14	the	the	DT
12787	1288	15	standardization	standardization	NN
12787	1288	16	,	,	,
12787	1288	17	and	and	CC
12787	1288	18	titrate	titrate	VB
12787	1288	19	with	with	IN
12787	1288	20	thiosulphate	thiosulphate	NN
12787	1288	21	solution	solution	NN
12787	1288	22	until	until	IN
12787	1288	23	the	the	DT
12787	1288	24	yellow	yellow	NN
12787	1288	25	of	of	IN
12787	1288	26	the	the	DT
12787	1288	27	liberated	liberated	JJ
12787	1288	28	iodine	iodine	NN
12787	1288	29	is	be	VBZ
12787	1288	30	nearly	nearly	RB
12787	1288	31	discharged	discharge	VBN
12787	1288	32	.	.	.
12787	1289	1	Add	Add	NNP
12787	1289	2	1	1	CD
12787	1289	3	-	-	SYM
12787	1289	4	2	2	CD
12787	1289	5	cc	cc	NN
12787	1289	6	.	.	.
12787	1290	1	of	of	IN
12787	1290	2	freshly	freshly	RB
12787	1290	3	prepared	prepare	VBN
12787	1290	4	starch	starch	NN
12787	1290	5	solution	solution	NN
12787	1290	6	and	and	CC
12787	1290	7	titrate	titrate	VB
12787	1290	8	to	to	IN
12787	1290	9	the	the	DT
12787	1290	10	disappearance	disappearance	NN
12787	1290	11	of	of	IN
12787	1290	12	the	the	DT
12787	1290	13	blue	blue	JJ
12787	1290	14	color	color	NN
12787	1290	15	.	.	.
12787	1291	1	From	from	IN
12787	1291	2	the	the	DT
12787	1291	3	data	datum	NNS
12787	1291	4	obtained	obtain	VBN
12787	1291	5	,	,	,
12787	1291	6	calculate	calculate	VB
12787	1291	7	the	the	DT
12787	1291	8	percentage	percentage	NN
12787	1291	9	of	of	IN
12787	1291	10	copper	copper	NN
12787	1291	11	(	(	-LRB-
12787	1291	12	Cu	cu	NN
12787	1291	13	)	)	-RRB-
12787	1291	14	in	in	IN
12787	1291	15	the	the	DT
12787	1291	16	ore	ore	NN
12787	1291	17	.	.	.
12787	1291	18	[	[	-LRB-
12787	1291	19	Note	note	NN
12787	1291	20	1	1	CD
12787	1291	21	:	:	:
12787	1291	22	Nitric	nitric	JJ
12787	1291	23	acid	acid	NN
12787	1291	24	,	,	,
12787	1291	25	because	because	IN
12787	1291	26	of	of	IN
12787	1291	27	its	-PRON-	PRP$
12787	1291	28	oxidizing	oxidizing	JJ
12787	1291	29	power	power	NN
12787	1291	30	,	,	,
12787	1291	31	is	be	VBZ
12787	1291	32	used	use	VBN
12787	1291	33	as	as	IN
12787	1291	34	a	a	DT
12787	1291	35	solvent	solvent	NN
12787	1291	36	for	for	IN
12787	1291	37	the	the	DT
12787	1291	38	sulphide	sulphide	NN
12787	1291	39	ores	ore	NNS
12787	1291	40	.	.	.
12787	1292	1	As	as	IN
12787	1292	2	a	a	DT
12787	1292	3	strong	strong	JJ
12787	1292	4	acid	acid	NN
12787	1292	5	it	-PRON-	PRP
12787	1292	6	will	will	MD
12787	1292	7	also	also	RB
12787	1292	8	dissolve	dissolve	VB
12787	1292	9	the	the	DT
12787	1292	10	copper	copper	NN
12787	1292	11	from	from	IN
12787	1292	12	carbonate	carbonate	JJ
12787	1292	13	ores	ore	NNS
12787	1292	14	.	.	.
12787	1293	1	The	the	DT
12787	1293	2	hydrochloric	hydrochloric	JJ
12787	1293	3	acid	acid	NN
12787	1293	4	is	be	VBZ
12787	1293	5	added	add	VBN
12787	1293	6	to	to	TO
12787	1293	7	dissolve	dissolve	VB
12787	1293	8	oxides	oxide	NNS
12787	1293	9	of	of	IN
12787	1293	10	iron	iron	NN
12787	1293	11	and	and	CC
12787	1293	12	to	to	TO
12787	1293	13	precipitate	precipitate	VB
12787	1293	14	silver	silver	NN
12787	1293	15	and	and	CC
12787	1293	16	lead	lead	NN
12787	1293	17	.	.	.
12787	1294	1	The	the	DT
12787	1294	2	sulphuric	sulphuric	JJ
12787	1294	3	acid	acid	NN
12787	1294	4	displaces	displace	NNS
12787	1294	5	the	the	DT
12787	1294	6	other	other	JJ
12787	1294	7	acids	acid	NNS
12787	1294	8	,	,	,
12787	1294	9	leaving	leave	VBG
12787	1294	10	a	a	DT
12787	1294	11	solution	solution	NN
12787	1294	12	containing	contain	VBG
12787	1294	13	sulphates	sulphate	VBZ
12787	1294	14	only	only	RB
12787	1294	15	.	.	.
12787	1295	1	It	-PRON-	PRP
12787	1295	2	also	also	RB
12787	1295	3	,	,	,
12787	1295	4	by	by	IN
12787	1295	5	its	-PRON-	PRP$
12787	1295	6	dehydrating	dehydrate	VBG
12787	1295	7	action	action	NN
12787	1295	8	,	,	,
12787	1295	9	renders	render	VBZ
12787	1295	10	silica	silica	NNP
12787	1295	11	from	from	IN
12787	1295	12	silicates	silicate	NNS
12787	1295	13	insoluble	insoluble	JJ
12787	1295	14	.	.	.
12787	1295	15	]	]	-RRB-
12787	1296	1	[	[	-LRB-
12787	1296	2	Note	note	NN
12787	1296	3	2	2	CD
12787	1296	4	:	:	:
12787	1296	5	Unless	unless	IN
12787	1296	6	proper	proper	JJ
12787	1296	7	precautions	precaution	NNS
12787	1296	8	are	be	VBP
12787	1296	9	taken	take	VBN
12787	1296	10	to	to	TO
12787	1296	11	insure	insure	VB
12787	1296	12	the	the	DT
12787	1296	13	correct	correct	JJ
12787	1296	14	concentrations	concentration	NNS
12787	1296	15	of	of	IN
12787	1296	16	acid	acid	NN
12787	1296	17	the	the	DT
12787	1296	18	copper	copper	NN
12787	1296	19	will	will	MD
12787	1296	20	not	not	RB
12787	1296	21	precipitate	precipitate	VB
12787	1296	22	quantitatively	quantitatively	RB
12787	1296	23	on	on	IN
12787	1296	24	the	the	DT
12787	1296	25	aluminium	aluminium	NN
12787	1296	26	foil	foil	NN
12787	1296	27	;	;	:
12787	1296	28	hence	hence	RB
12787	1296	29	care	care	NN
12787	1296	30	must	must	MD
12787	1296	31	be	be	VB
12787	1296	32	taken	take	VBN
12787	1296	33	to	to	TO
12787	1296	34	follow	follow	VB
12787	1296	35	directions	direction	NNS
12787	1296	36	carefully	carefully	RB
12787	1296	37	at	at	IN
12787	1296	38	this	this	DT
12787	1296	39	point	point	NN
12787	1296	40	.	.	.
12787	1297	1	Lead	lead	NN
12787	1297	2	and	and	CC
12787	1297	3	silver	silver	NN
12787	1297	4	have	have	VBP
12787	1297	5	been	be	VBN
12787	1297	6	almost	almost	RB
12787	1297	7	completely	completely	RB
12787	1297	8	removed	remove	VBN
12787	1297	9	as	as	IN
12787	1297	10	sulphate	sulphate	NN
12787	1297	11	and	and	CC
12787	1297	12	chloride	chloride	NN
12787	1297	13	respectively	respectively	RB
12787	1297	14	,	,	,
12787	1297	15	or	or	CC
12787	1297	16	they	-PRON-	PRP
12787	1297	17	too	too	RB
12787	1297	18	would	would	MD
12787	1297	19	be	be	VB
12787	1297	20	precipitated	precipitate	VBN
12787	1297	21	on	on	IN
12787	1297	22	the	the	DT
12787	1297	23	aluminium	aluminium	NN
12787	1297	24	.	.	.
12787	1298	1	Bismuth	Bismuth	NNP
12787	1298	2	,	,	,
12787	1298	3	though	though	IN
12787	1298	4	precipitated	precipitate	VBN
12787	1298	5	on	on	IN
12787	1298	6	aluminium	aluminium	NN
12787	1298	7	,	,	,
12787	1298	8	has	have	VBZ
12787	1298	9	no	no	DT
12787	1298	10	effect	effect	NN
12787	1298	11	on	on	IN
12787	1298	12	the	the	DT
12787	1298	13	analysis	analysis	NN
12787	1298	14	.	.	.
12787	1299	1	Arsenic	arsenic	JJ
12787	1299	2	and	and	CC
12787	1299	3	antimony	antimony	NN
12787	1299	4	precipitate	precipitate	NN
12787	1299	5	on	on	IN
12787	1299	6	aluminium	aluminium	NN
12787	1299	7	and	and	CC
12787	1299	8	would	would	MD
12787	1299	9	interfere	interfere	VB
12787	1299	10	with	with	IN
12787	1299	11	the	the	DT
12787	1299	12	titration	titration	NN
12787	1299	13	if	if	IN
12787	1299	14	allowed	allow	VBN
12787	1299	15	to	to	TO
12787	1299	16	remain	remain	VB
12787	1299	17	in	in	IN
12787	1299	18	the	the	DT
12787	1299	19	lower	low	JJR
12787	1299	20	state	state	NN
12787	1299	21	of	of	IN
12787	1299	22	oxidation	oxidation	NN
12787	1299	23	.	.	.
12787	1299	24	]	]	-RRB-
12787	1300	1	[	[	-LRB-
12787	1300	2	Note	note	NN
12787	1300	3	3	3	CD
12787	1300	4	:	:	:
12787	1300	5	Bromine	Bromine	NNP
12787	1300	6	is	be	VBZ
12787	1300	7	added	add	VBN
12787	1300	8	to	to	TO
12787	1300	9	oxidize	oxidize	VB
12787	1300	10	arsenious	arsenious	JJ
12787	1300	11	and	and	CC
12787	1300	12	antimonious	antimonious	JJ
12787	1300	13	compounds	compound	NNS
12787	1300	14	from	from	IN
12787	1300	15	the	the	DT
12787	1300	16	original	original	JJ
12787	1300	17	sample	sample	NN
12787	1300	18	,	,	,
12787	1300	19	and	and	CC
12787	1300	20	to	to	TO
12787	1300	21	oxidize	oxidize	VB
12787	1300	22	nitrous	nitrous	JJ
12787	1300	23	acid	acid	NN
12787	1300	24	formed	form	VBN
12787	1300	25	by	by	IN
12787	1300	26	the	the	DT
12787	1300	27	action	action	NN
12787	1300	28	of	of	IN
12787	1300	29	nitric	nitric	JJ
12787	1300	30	acid	acid	NN
12787	1300	31	on	on	IN
12787	1300	32	copper	copper	NN
12787	1300	33	and	and	CC
12787	1300	34	copper	copper	NN
12787	1300	35	sulphide	sulphide	NN
12787	1300	36	.	.	.
12787	1300	37	]	]	-RRB-
12787	1301	1	[	[	-LRB-
12787	1301	2	Note	note	NN
12787	1301	3	4	4	CD
12787	1301	4	:	:	:
12787	1301	5	This	this	DT
12787	1301	6	reaction	reaction	NN
12787	1301	7	can	can	MD
12787	1301	8	be	be	VB
12787	1301	9	carried	carry	VBN
12787	1301	10	out	out	RP
12787	1301	11	in	in	IN
12787	1301	12	the	the	DT
12787	1301	13	presence	presence	NN
12787	1301	14	of	of	IN
12787	1301	15	sulphuric	sulphuric	JJ
12787	1301	16	and	and	CC
12787	1301	17	hydrochloric	hydrochloric	JJ
12787	1301	18	acids	acid	NNS
12787	1301	19	as	as	RB
12787	1301	20	well	well	RB
12787	1301	21	as	as	IN
12787	1301	22	acetic	acetic	JJ
12787	1301	23	acid	acid	NN
12787	1301	24	,	,	,
12787	1301	25	but	but	CC
12787	1301	26	in	in	IN
12787	1301	27	the	the	DT
12787	1301	28	presence	presence	NN
12787	1301	29	of	of	IN
12787	1301	30	these	these	DT
12787	1301	31	strong	strong	JJ
12787	1301	32	acids	acid	NNS
12787	1301	33	arsenic	arsenic	JJ
12787	1301	34	and	and	CC
12787	1301	35	antimonic	antimonic	JJ
12787	1301	36	acids	acid	NNS
12787	1301	37	may	may	MD
12787	1301	38	react	react	VB
12787	1301	39	with	with	IN
12787	1301	40	the	the	DT
12787	1301	41	hydriodic	hydriodic	JJ
12787	1301	42	acid	acid	NN
12787	1301	43	produced	produce	VBN
12787	1301	44	with	with	IN
12787	1301	45	the	the	DT
12787	1301	46	liberation	liberation	NN
12787	1301	47	of	of	IN
12787	1301	48	free	free	JJ
12787	1301	49	iodine	iodine	NN
12787	1301	50	,	,	,
12787	1301	51	thereby	thereby	RB
12787	1301	52	reversing	reverse	VBG
12787	1301	53	the	the	DT
12787	1301	54	process	process	NN
12787	1301	55	and	and	CC
12787	1301	56	introducing	introduce	VBG
12787	1301	57	an	an	DT
12787	1301	58	error	error	NN
12787	1301	59	.	.	.
12787	1301	60	]	]	-RRB-
12787	1302	1	DETERMINATION	determination	NN
12787	1302	2	OF	of	IN
12787	1302	3	ANTIMONY	ANTIMONY	NNP
12787	1302	4	IN	in	IN
12787	1302	5	STIBNITE	STIBNITE	NNP
12787	1302	6	Stibnite	Stibnite	NNP
12787	1302	7	is	be	VBZ
12787	1302	8	native	native	JJ
12787	1302	9	antimony	antimony	NN
12787	1302	10	sulphide	sulphide	NN
12787	1302	11	.	.	.
12787	1303	1	Nearly	nearly	RB
12787	1303	2	pure	pure	JJ
12787	1303	3	samples	sample	NNS
12787	1303	4	of	of	IN
12787	1303	5	this	this	DT
12787	1303	6	mineral	mineral	NN
12787	1303	7	are	be	VBP
12787	1303	8	easily	easily	RB
12787	1303	9	obtainable	obtainable	JJ
12787	1303	10	and	and	CC
12787	1303	11	should	should	MD
12787	1303	12	be	be	VB
12787	1303	13	used	use	VBN
12787	1303	14	for	for	IN
12787	1303	15	practice	practice	NN
12787	1303	16	,	,	,
12787	1303	17	since	since	IN
12787	1303	18	many	many	JJ
12787	1303	19	impurities	impurity	NNS
12787	1303	20	,	,	,
12787	1303	21	notably	notably	RB
12787	1303	22	iron	iron	NN
12787	1303	23	,	,	,
12787	1303	24	seriously	seriously	RB
12787	1303	25	interfere	interfere	VB
12787	1303	26	with	with	IN
12787	1303	27	the	the	DT
12787	1303	28	accurate	accurate	JJ
12787	1303	29	determination	determination	NN
12787	1303	30	of	of	IN
12787	1303	31	the	the	DT
12787	1303	32	antimony	antimony	NN
12787	1303	33	by	by	IN
12787	1303	34	iodometric	iodometric	JJ
12787	1303	35	methods	method	NNS
12787	1303	36	.	.	.
12787	1304	1	It	-PRON-	PRP
12787	1304	2	is	be	VBZ
12787	1304	3	,	,	,
12787	1304	4	moreover	moreover	RB
12787	1304	5	,	,	,
12787	1304	6	essential	essential	JJ
12787	1304	7	that	that	IN
12787	1304	8	the	the	DT
12787	1304	9	directions	direction	NNS
12787	1304	10	with	with	IN
12787	1304	11	respect	respect	NN
12787	1304	12	to	to	IN
12787	1304	13	amounts	amount	NNS
12787	1304	14	of	of	IN
12787	1304	15	reagents	reagent	NNS
12787	1304	16	employed	employ	VBN
12787	1304	17	and	and	CC
12787	1304	18	concentration	concentration	NN
12787	1304	19	of	of	IN
12787	1304	20	solutions	solution	NNS
12787	1304	21	should	should	MD
12787	1304	22	be	be	VB
12787	1304	23	followed	follow	VBN
12787	1304	24	closely	closely	RB
12787	1304	25	.	.	.
12787	1305	1	PROCEDURE.--Grind	procedure.--grind	VB
12787	1305	2	the	the	DT
12787	1305	3	mineral	mineral	NN
12787	1305	4	with	with	IN
12787	1305	5	great	great	JJ
12787	1305	6	care	care	NN
12787	1305	7	,	,	,
12787	1305	8	and	and	CC
12787	1305	9	weigh	weigh	VB
12787	1305	10	out	out	RP
12787	1305	11	two	two	CD
12787	1305	12	portions	portion	NNS
12787	1305	13	of	of	IN
12787	1305	14	0.35	0.35	CD
12787	1305	15	-	-	HYPH
12787	1305	16	0.40	0.40	CD
12787	1305	17	gram	gram	NN
12787	1305	18	into	into	IN
12787	1305	19	small	small	JJ
12787	1305	20	,	,	,
12787	1305	21	dry	dry	JJ
12787	1305	22	beakers	beaker	NNS
12787	1305	23	(	(	-LRB-
12787	1305	24	100	100	CD
12787	1305	25	cc	cc	NNP
12787	1305	26	.	.	.
12787	1305	27	)	)	-RRB-
12787	1305	28	.	.	.
12787	1306	1	Cover	cover	VB
12787	1306	2	the	the	DT
12787	1306	3	beakers	beaker	NNS
12787	1306	4	and	and	CC
12787	1306	5	pour	pour	VB
12787	1306	6	over	over	IN
12787	1306	7	the	the	DT
12787	1306	8	stibnite	stibnite	JJ
12787	1306	9	5	5	CD
12787	1306	10	cc	cc	NN
12787	1306	11	.	.	.
12787	1307	1	of	of	IN
12787	1307	2	concentrated	concentrated	JJ
12787	1307	3	hydrochloric	hydrochloric	JJ
12787	1307	4	acid	acid	NN
12787	1307	5	(	(	-LRB-
12787	1307	6	sp	sp	NNP
12787	1307	7	.	.	.
12787	1308	1	gr	gr	NNP
12787	1308	2	.	.	.
12787	1309	1	1.20	1.20	LS
12787	1309	2	)	)	-RRB-
12787	1309	3	and	and	CC
12787	1309	4	warm	warm	VB
12787	1309	5	gently	gently	RB
12787	1309	6	on	on	IN
12787	1309	7	the	the	DT
12787	1309	8	water	water	NN
12787	1309	9	bath	bath	NN
12787	1309	10	(	(	-LRB-
12787	1309	11	Note	note	NN
12787	1309	12	1	1	CD
12787	1309	13	)	)	-RRB-
12787	1309	14	.	.	.
12787	1310	1	When	when	WRB
12787	1310	2	the	the	DT
12787	1310	3	residue	residue	NN
12787	1310	4	is	be	VBZ
12787	1310	5	white	white	JJ
12787	1310	6	,	,	,
12787	1310	7	add	add	VB
12787	1310	8	to	to	IN
12787	1310	9	each	each	DT
12787	1310	10	beaker	beaker	NN
12787	1310	11	2	2	CD
12787	1310	12	grams	gram	NNS
12787	1310	13	of	of	IN
12787	1310	14	powdered	powder	VBN
12787	1310	15	tartaric	tartaric	JJ
12787	1310	16	acid	acid	NN
12787	1310	17	(	(	-LRB-
12787	1310	18	Note	note	NN
12787	1310	19	2	2	CD
12787	1310	20	)	)	-RRB-
12787	1310	21	.	.	.
12787	1311	1	Warm	warm	VB
12787	1311	2	the	the	DT
12787	1311	3	solution	solution	NN
12787	1311	4	on	on	IN
12787	1311	5	the	the	DT
12787	1311	6	water	water	NN
12787	1311	7	bath	bath	NN
12787	1311	8	for	for	IN
12787	1311	9	ten	ten	CD
12787	1311	10	minutes	minute	NNS
12787	1311	11	longer	long	RBR
12787	1311	12	,	,	,
12787	1311	13	dilute	dilute	VB
12787	1311	14	the	the	DT
12787	1311	15	solution	solution	NN
12787	1311	16	very	very	RB
12787	1311	17	cautiously	cautiously	RB
12787	1311	18	by	by	IN
12787	1311	19	adding	add	VBG
12787	1311	20	water	water	NN
12787	1311	21	in	in	IN
12787	1311	22	portions	portion	NNS
12787	1311	23	of	of	IN
12787	1311	24	5	5	CD
12787	1311	25	cc	cc	NNP
12787	1311	26	.	.	NNP
12787	1311	27	,	,	,
12787	1311	28	stopping	stop	VBG
12787	1311	29	if	if	IN
12787	1311	30	the	the	DT
12787	1311	31	solution	solution	NN
12787	1311	32	turns	turn	VBZ
12787	1311	33	red	red	JJ
12787	1311	34	.	.	.
12787	1312	1	It	-PRON-	PRP
12787	1312	2	is	be	VBZ
12787	1312	3	possible	possible	JJ
12787	1312	4	that	that	IN
12787	1312	5	no	no	DT
12787	1312	6	coloration	coloration	NN
12787	1312	7	will	will	MD
12787	1312	8	appear	appear	VB
12787	1312	9	,	,	,
12787	1312	10	in	in	IN
12787	1312	11	which	which	WDT
12787	1312	12	case	case	NN
12787	1312	13	cautiously	cautiously	RB
12787	1312	14	continue	continue	VBP
12787	1312	15	the	the	DT
12787	1312	16	dilution	dilution	NN
12787	1312	17	to	to	IN
12787	1312	18	125	125	CD
12787	1312	19	cc	cc	NN
12787	1312	20	.	.	.
12787	1313	1	If	if	IN
12787	1313	2	a	a	DT
12787	1313	3	red	red	JJ
12787	1313	4	precipitate	precipitate	NN
12787	1313	5	or	or	CC
12787	1313	6	coloration	coloration	NN
12787	1313	7	does	do	VBZ
12787	1313	8	appear	appear	VB
12787	1313	9	,	,	,
12787	1313	10	warm	warm	VB
12787	1313	11	the	the	DT
12787	1313	12	solution	solution	NN
12787	1313	13	until	until	IN
12787	1313	14	it	-PRON-	PRP
12787	1313	15	is	be	VBZ
12787	1313	16	colorless	colorless	JJ
12787	1313	17	,	,	,
12787	1313	18	and	and	CC
12787	1313	19	again	again	RB
12787	1313	20	dilute	dilute	VB
12787	1313	21	cautiously	cautiously	RB
12787	1313	22	to	to	IN
12787	1313	23	a	a	DT
12787	1313	24	total	total	JJ
12787	1313	25	volume	volume	NN
12787	1313	26	of	of	IN
12787	1313	27	125	125	CD
12787	1313	28	cc	cc	NN
12787	1313	29	.	.	.
12787	1314	1	and	and	CC
12787	1314	2	boil	boil	VB
12787	1314	3	for	for	IN
12787	1314	4	a	a	DT
12787	1314	5	minute	minute	NN
12787	1314	6	(	(	-LRB-
12787	1314	7	Note	note	NN
12787	1314	8	3	3	CD
12787	1314	9	)	)	-RRB-
12787	1314	10	.	.	.
12787	1315	1	If	if	IN
12787	1315	2	a	a	DT
12787	1315	3	white	white	JJ
12787	1315	4	precipitate	precipitate	NN
12787	1315	5	of	of	IN
12787	1315	6	the	the	DT
12787	1315	7	oxychloride	oxychloride	JJ
12787	1315	8	separates	separate	NNS
12787	1315	9	during	during	IN
12787	1315	10	dilution	dilution	NN
12787	1315	11	(	(	-LRB-
12787	1315	12	which	which	WDT
12787	1315	13	should	should	MD
12787	1315	14	not	not	RB
12787	1315	15	occur	occur	VB
12787	1315	16	if	if	IN
12787	1315	17	the	the	DT
12787	1315	18	directions	direction	NNS
12787	1315	19	are	be	VBP
12787	1315	20	followed	follow	VBN
12787	1315	21	)	)	-RRB-
12787	1315	22	,	,	,
12787	1315	23	it	-PRON-	PRP
12787	1315	24	is	be	VBZ
12787	1315	25	best	good	JJS
12787	1315	26	to	to	TO
12787	1315	27	discard	discard	VB
12787	1315	28	the	the	DT
12787	1315	29	determination	determination	NN
12787	1315	30	and	and	CC
12787	1315	31	to	to	TO
12787	1315	32	start	start	VB
12787	1315	33	anew	anew	RB
12787	1315	34	.	.	.
12787	1316	1	Carefully	carefully	RB
12787	1316	2	neutralize	neutralize	VB
12787	1316	3	most	most	JJS
12787	1316	4	of	of	IN
12787	1316	5	the	the	DT
12787	1316	6	acid	acid	NN
12787	1316	7	with	with	IN
12787	1316	8	ammonium	ammonium	NN
12787	1316	9	hydroxide	hydroxide	NNP
12787	1316	10	solution	solution	NN
12787	1316	11	(	(	-LRB-
12787	1316	12	sp	sp	NN
12787	1316	13	.	.	.
12787	1317	1	gr	gr	NNP
12787	1317	2	.	.	.
12787	1318	1	0.96	0.96	LS
12787	1318	2	)	)	-RRB-
12787	1318	3	,	,	,
12787	1318	4	but	but	CC
12787	1318	5	leave	leave	VBP
12787	1318	6	it	-PRON-	PRP
12787	1318	7	distinctly	distinctly	RB
12787	1318	8	acid	acid	VBP
12787	1318	9	(	(	-LRB-
12787	1318	10	Note	note	NN
12787	1318	11	4	4	CD
12787	1318	12	)	)	-RRB-
12787	1318	13	.	.	.
12787	1319	1	Dissolve	dissolve	NN
12787	1319	2	3	3	CD
12787	1319	3	grams	gram	NNS
12787	1319	4	of	of	IN
12787	1319	5	sodium	sodium	NN
12787	1319	6	bicarbonate	bicarbonate	NN
12787	1319	7	in	in	IN
12787	1319	8	200	200	CD
12787	1319	9	cc	cc	NN
12787	1319	10	.	.	.
12787	1320	1	of	of	IN
12787	1320	2	water	water	NN
12787	1320	3	in	in	IN
12787	1320	4	a	a	DT
12787	1320	5	500	500	CD
12787	1320	6	cc	cc	NN
12787	1320	7	.	.	.
12787	1321	1	beaker	beaker	NNP
12787	1321	2	,	,	,
12787	1321	3	and	and	CC
12787	1321	4	pour	pour	VB
12787	1321	5	the	the	DT
12787	1321	6	cold	cold	JJ
12787	1321	7	solution	solution	NN
12787	1321	8	of	of	IN
12787	1321	9	the	the	DT
12787	1321	10	antimony	antimony	NN
12787	1321	11	chloride	chloride	NN
12787	1321	12	into	into	IN
12787	1321	13	this	this	DT
12787	1321	14	,	,	,
12787	1321	15	avoiding	avoid	VBG
12787	1321	16	loss	loss	NN
12787	1321	17	by	by	IN
12787	1321	18	effervescence	effervescence	NN
12787	1321	19	.	.	.
12787	1322	1	Make	make	VB
12787	1322	2	sure	sure	JJ
12787	1322	3	that	that	IN
12787	1322	4	the	the	DT
12787	1322	5	solution	solution	NN
12787	1322	6	contains	contain	VBZ
12787	1322	7	an	an	DT
12787	1322	8	excess	excess	NN
12787	1322	9	of	of	IN
12787	1322	10	the	the	DT
12787	1322	11	bicarbonate	bicarbonate	NN
12787	1322	12	,	,	,
12787	1322	13	and	and	CC
12787	1322	14	then	then	RB
12787	1322	15	add	add	VB
12787	1322	16	1	1	CD
12787	1322	17	cc	cc	NN
12787	1322	18	.	.	.
12787	1323	1	or	or	CC
12787	1323	2	2	2	CD
12787	1323	3	cc	cc	NN
12787	1323	4	.	.	.
12787	1324	1	of	of	IN
12787	1324	2	starch	starch	NN
12787	1324	3	solution	solution	NN
12787	1324	4	and	and	CC
12787	1324	5	titrate	titrate	VB
12787	1324	6	with	with	IN
12787	1324	7	iodine	iodine	NN
12787	1324	8	solution	solution	NN
12787	1324	9	to	to	IN
12787	1324	10	the	the	DT
12787	1324	11	appearance	appearance	NN
12787	1324	12	of	of	IN
12787	1324	13	the	the	DT
12787	1324	14	blue	blue	JJ
12787	1324	15	,	,	,
12787	1324	16	avoiding	avoid	VBG
12787	1324	17	excess	excess	NN
12787	1324	18	(	(	-LRB-
12787	1324	19	Notes	Notes	NNP
12787	1324	20	5	5	CD
12787	1324	21	and	and	CC
12787	1324	22	6	6	CD
12787	1324	23	)	)	-RRB-
12787	1324	24	.	.	.
12787	1325	1	From	from	IN
12787	1325	2	the	the	DT
12787	1325	3	corrected	correct	VBN
12787	1325	4	volume	volume	NN
12787	1325	5	of	of	IN
12787	1325	6	the	the	DT
12787	1325	7	iodine	iodine	NN
12787	1325	8	solution	solution	NN
12787	1325	9	required	require	VBN
12787	1325	10	to	to	TO
12787	1325	11	oxidize	oxidize	VB
12787	1325	12	the	the	DT
12787	1325	13	antimony	antimony	NN
12787	1325	14	,	,	,
12787	1325	15	calculate	calculate	VB
12787	1325	16	the	the	DT
12787	1325	17	percentage	percentage	NN
12787	1325	18	of	of	IN
12787	1325	19	antimony	antimony	NN
12787	1325	20	(	(	-LRB-
12787	1325	21	Sb	Sb	NNP
12787	1325	22	)	)	-RRB-
12787	1325	23	in	in	IN
12787	1325	24	the	the	DT
12787	1325	25	stibnite	stibnite	NN
12787	1325	26	.	.	.
12787	1326	1	[	[	-LRB-
12787	1326	2	Note	note	NN
12787	1326	3	1	1	CD
12787	1326	4	:	:	:
12787	1326	5	Antimony	Antimony	NNP
12787	1326	6	chloride	chloride	NN
12787	1326	7	is	be	VBZ
12787	1326	8	volatile	volatile	JJ
12787	1326	9	with	with	IN
12787	1326	10	steam	steam	NN
12787	1326	11	from	from	IN
12787	1326	12	its	-PRON-	PRP$
12787	1326	13	concentrated	concentrated	JJ
12787	1326	14	solutions	solution	NNS
12787	1326	15	;	;	:
12787	1326	16	hence	hence	RB
12787	1326	17	these	these	DT
12787	1326	18	solutions	solution	NNS
12787	1326	19	must	must	MD
12787	1326	20	not	not	RB
12787	1326	21	be	be	VB
12787	1326	22	boiled	boil	VBN
12787	1326	23	until	until	IN
12787	1326	24	they	-PRON-	PRP
12787	1326	25	have	have	VBP
12787	1326	26	been	be	VBN
12787	1326	27	diluted	dilute	VBN
12787	1326	28	.	.	.
12787	1326	29	]	]	-RRB-
12787	1327	1	[	[	-LRB-
12787	1327	2	Note	note	NN
12787	1327	3	2	2	CD
12787	1327	4	:	:	:
12787	1327	5	Antimony	Antimony	NNP
12787	1327	6	salts	salt	NNS
12787	1327	7	,	,	,
12787	1327	8	such	such	JJ
12787	1327	9	as	as	IN
12787	1327	10	the	the	DT
12787	1327	11	chloride	chloride	NN
12787	1327	12	,	,	,
12787	1327	13	are	be	VBP
12787	1327	14	readily	readily	RB
12787	1327	15	hydrolyzed	hydrolyze	VBN
12787	1327	16	,	,	,
12787	1327	17	and	and	CC
12787	1327	18	compounds	compound	NNS
12787	1327	19	such	such	JJ
12787	1327	20	as	as	IN
12787	1327	21	SbOCl	SbOCl	NNPS
12787	1327	22	are	be	VBP
12787	1327	23	formed	form	VBN
12787	1327	24	which	which	WDT
12787	1327	25	are	be	VBP
12787	1327	26	often	often	RB
12787	1327	27	relatively	relatively	RB
12787	1327	28	insoluble	insoluble	JJ
12787	1327	29	;	;	:
12787	1327	30	but	but	CC
12787	1327	31	in	in	IN
12787	1327	32	the	the	DT
12787	1327	33	presence	presence	NN
12787	1327	34	of	of	IN
12787	1327	35	tartaric	tartaric	JJ
12787	1327	36	acid	acid	NN
12787	1327	37	compounds	compound	NNS
12787	1327	38	with	with	IN
12787	1327	39	complex	complex	JJ
12787	1327	40	ions	ion	NNS
12787	1327	41	are	be	VBP
12787	1327	42	formed	form	VBN
12787	1327	43	,	,	,
12787	1327	44	and	and	CC
12787	1327	45	these	these	DT
12787	1327	46	are	be	VBP
12787	1327	47	soluble	soluble	JJ
12787	1327	48	.	.	.
12787	1328	1	An	an	DT
12787	1328	2	excess	excess	NN
12787	1328	3	of	of	IN
12787	1328	4	hydrochloric	hydrochloric	JJ
12787	1328	5	acid	acid	NN
12787	1328	6	also	also	RB
12787	1328	7	prevents	prevent	VBZ
12787	1328	8	precipitation	precipitation	NN
12787	1328	9	of	of	IN
12787	1328	10	the	the	DT
12787	1328	11	oxychloride	oxychloride	NN
12787	1328	12	because	because	IN
12787	1328	13	the	the	DT
12787	1328	14	H^{+	H^{+	NNP
12787	1328	15	}	}	-RRB-
12787	1328	16	ions	ion	NNS
12787	1328	17	from	from	IN
12787	1328	18	the	the	DT
12787	1328	19	acid	acid	NN
12787	1328	20	lessen	lessen	VBD
12787	1328	21	the	the	DT
12787	1328	22	dissociation	dissociation	NN
12787	1328	23	of	of	IN
12787	1328	24	the	the	DT
12787	1328	25	water	water	NN
12787	1328	26	and	and	CC
12787	1328	27	thus	thus	RB
12787	1328	28	prevent	prevent	VBP
12787	1328	29	any	any	DT
12787	1328	30	considerable	considerable	JJ
12787	1328	31	hydrolysis	hydrolysis	NN
12787	1328	32	.	.	.
12787	1328	33	]	]	-RRB-
12787	1329	1	[	[	-LRB-
12787	1329	2	Note	note	NN
12787	1329	3	3	3	CD
12787	1329	4	:	:	:
12787	1329	5	The	the	DT
12787	1329	6	action	action	NN
12787	1329	7	of	of	IN
12787	1329	8	hydrochloric	hydrochloric	JJ
12787	1329	9	acid	acid	NN
12787	1329	10	upon	upon	IN
12787	1329	11	the	the	DT
12787	1329	12	sulphide	sulphide	NN
12787	1329	13	sets	set	NNS
12787	1329	14	free	free	JJ
12787	1329	15	sulphureted	sulphurete	VBN
12787	1329	16	hydrogen	hydrogen	NN
12787	1329	17	,	,	,
12787	1329	18	a	a	DT
12787	1329	19	part	part	NN
12787	1329	20	of	of	IN
12787	1329	21	which	which	WDT
12787	1329	22	is	be	VBZ
12787	1329	23	held	hold	VBN
12787	1329	24	in	in	IN
12787	1329	25	solution	solution	NN
12787	1329	26	by	by	IN
12787	1329	27	the	the	DT
12787	1329	28	acid	acid	NN
12787	1329	29	.	.	.
12787	1330	1	This	this	DT
12787	1330	2	is	be	VBZ
12787	1330	3	usually	usually	RB
12787	1330	4	expelled	expel	VBN
12787	1330	5	by	by	IN
12787	1330	6	the	the	DT
12787	1330	7	heating	heating	NN
12787	1330	8	upon	upon	IN
12787	1330	9	the	the	DT
12787	1330	10	water	water	NN
12787	1330	11	bath	bath	NN
12787	1330	12	;	;	:
12787	1330	13	but	but	CC
12787	1330	14	if	if	IN
12787	1330	15	it	-PRON-	PRP
12787	1330	16	is	be	VBZ
12787	1330	17	not	not	RB
12787	1330	18	wholly	wholly	RB
12787	1330	19	driven	drive	VBN
12787	1330	20	out	out	RP
12787	1330	21	,	,	,
12787	1330	22	a	a	DT
12787	1330	23	point	point	NN
12787	1330	24	is	be	VBZ
12787	1330	25	reached	reach	VBN
12787	1330	26	during	during	IN
12787	1330	27	dilution	dilution	NN
12787	1330	28	at	at	IN
12787	1330	29	which	which	WDT
12787	1330	30	the	the	DT
12787	1330	31	antimony	antimony	NN
12787	1330	32	sulphide	sulphide	NN
12787	1330	33	,	,	,
12787	1330	34	being	be	VBG
12787	1330	35	no	no	RB
12787	1330	36	longer	long	RBR
12787	1330	37	held	hold	VBN
12787	1330	38	in	in	IN
12787	1330	39	solution	solution	NN
12787	1330	40	by	by	IN
12787	1330	41	the	the	DT
12787	1330	42	acid	acid	NN
12787	1330	43	,	,	,
12787	1330	44	separates	separate	NNS
12787	1330	45	.	.	.
12787	1331	1	If	if	IN
12787	1331	2	the	the	DT
12787	1331	3	dilution	dilution	NN
12787	1331	4	is	be	VBZ
12787	1331	5	immediately	immediately	RB
12787	1331	6	stopped	stop	VBN
12787	1331	7	and	and	CC
12787	1331	8	the	the	DT
12787	1331	9	solution	solution	NN
12787	1331	10	warmed	warm	VBD
12787	1331	11	,	,	,
12787	1331	12	this	this	DT
12787	1331	13	sulphide	sulphide	NN
12787	1331	14	is	be	VBZ
12787	1331	15	again	again	RB
12787	1331	16	brought	bring	VBN
12787	1331	17	into	into	IN
12787	1331	18	solution	solution	NN
12787	1331	19	and	and	CC
12787	1331	20	at	at	IN
12787	1331	21	the	the	DT
12787	1331	22	same	same	JJ
12787	1331	23	time	time	NN
12787	1331	24	more	more	JJR
12787	1331	25	of	of	IN
12787	1331	26	the	the	DT
12787	1331	27	sulphureted	sulphurete	VBN
12787	1331	28	hydrogen	hydrogen	NN
12787	1331	29	is	be	VBZ
12787	1331	30	expelled	expel	VBN
12787	1331	31	.	.	.
12787	1332	1	This	this	DT
12787	1332	2	procedure	procedure	NN
12787	1332	3	must	must	MD
12787	1332	4	be	be	VB
12787	1332	5	continued	continue	VBN
12787	1332	6	until	until	IN
12787	1332	7	the	the	DT
12787	1332	8	sulphureted	sulphurete	VBN
12787	1332	9	hydrogen	hydrogen	NN
12787	1332	10	is	be	VBZ
12787	1332	11	all	all	DT
12787	1332	12	removed	remove	VBN
12787	1332	13	,	,	,
12787	1332	14	since	since	IN
12787	1332	15	it	-PRON-	PRP
12787	1332	16	reacts	react	VBZ
12787	1332	17	with	with	IN
12787	1332	18	iodine	iodine	NN
12787	1332	19	.	.	.
12787	1333	1	If	if	IN
12787	1333	2	no	no	DT
12787	1333	3	precipitation	precipitation	NN
12787	1333	4	of	of	IN
12787	1333	5	the	the	DT
12787	1333	6	sulphide	sulphide	NN
12787	1333	7	occurs	occur	VBZ
12787	1333	8	,	,	,
12787	1333	9	it	-PRON-	PRP
12787	1333	10	is	be	VBZ
12787	1333	11	an	an	DT
12787	1333	12	indication	indication	NN
12787	1333	13	that	that	IN
12787	1333	14	the	the	DT
12787	1333	15	sulphureted	sulphurete	VBN
12787	1333	16	hydrogen	hydrogen	NN
12787	1333	17	was	be	VBD
12787	1333	18	all	all	RB
12787	1333	19	expelled	expel	VBN
12787	1333	20	on	on	IN
12787	1333	21	solution	solution	NN
12787	1333	22	of	of	IN
12787	1333	23	the	the	DT
12787	1333	24	stibnite	stibnite	NNP
12787	1333	25	.	.	.
12787	1333	26	]	]	-RRB-
12787	1334	1	[	[	-LRB-
12787	1334	2	Note	note	NN
12787	1334	3	4	4	CD
12787	1334	4	:	:	:
12787	1334	5	Ammonium	ammonium	NN
12787	1334	6	hydroxide	hydroxide	NN
12787	1334	7	is	be	VBZ
12787	1334	8	added	add	VBN
12787	1334	9	to	to	TO
12787	1334	10	neutralize	neutralize	VB
12787	1334	11	most	most	JJS
12787	1334	12	of	of	IN
12787	1334	13	the	the	DT
12787	1334	14	acid	acid	NN
12787	1334	15	,	,	,
12787	1334	16	thus	thus	RB
12787	1334	17	lessening	lessen	VBG
12787	1334	18	the	the	DT
12787	1334	19	amount	amount	NN
12787	1334	20	of	of	IN
12787	1334	21	sodium	sodium	NN
12787	1334	22	bicarbonate	bicarbonate	NN
12787	1334	23	to	to	TO
12787	1334	24	be	be	VB
12787	1334	25	added	add	VBN
12787	1334	26	.	.	.
12787	1335	1	The	the	DT
12787	1335	2	ammonia	ammonia	NN
12787	1335	3	should	should	MD
12787	1335	4	not	not	RB
12787	1335	5	neutralize	neutralize	VB
12787	1335	6	all	all	DT
12787	1335	7	of	of	IN
12787	1335	8	the	the	DT
12787	1335	9	acid	acid	NN
12787	1335	10	.	.	.
12787	1335	11	]	]	-RRB-
12787	1336	1	[	[	-LRB-
12787	1336	2	Note	note	NN
12787	1336	3	5	5	CD
12787	1336	4	:	:	:
12787	1336	5	The	the	DT
12787	1336	6	reaction	reaction	NN
12787	1336	7	which	which	WDT
12787	1336	8	takes	take	VBZ
12787	1336	9	place	place	NN
12787	1336	10	during	during	IN
12787	1336	11	titration	titration	NN
12787	1336	12	may	may	MD
12787	1336	13	be	be	VB
12787	1336	14	expressed	express	VBN
12787	1336	15	thus	thus	RB
12787	1336	16	:	:	:
12787	1336	17	Na_{3}SbO_{3	Na_{3}SbO_{3	NNP
12787	1336	18	}	}	-RRB-
12787	1336	19	+	+	CC
12787	1336	20	2NaHCO_{3	2nahco_{3	NN
12787	1336	21	}	}	-RRB-
12787	1336	22	+	+	CC
12787	1336	23	I_{2	I_{2	NNP
12787	1336	24	}	}	-RRB-
12787	1336	25	--	--	:
12787	1336	26	>	>	XX
12787	1336	27	Na_{3}SbO_{4	Na_{3}SbO_{4	NNP
12787	1336	28	}	}	-RRB-
12787	1336	29	+	+	CC
12787	1336	30	2NaI	2nai	CD
12787	1336	31	+	+	CC
12787	1336	32	H_{2}O	h_{2}o	NN
12787	1336	33	+	+	SYM
12787	1336	34	2CO_{2	2co_{2	CD
12787	1336	35	}	}	-RRB-
12787	1336	36	.	.	.
12787	1336	37	]	]	-RRB-
12787	1337	1	[	[	-LRB-
12787	1337	2	Note	note	NN
12787	1337	3	6	6	CD
12787	1337	4	:	:	:
12787	1337	5	If	if	IN
12787	1337	6	the	the	DT
12787	1337	7	end	end	NN
12787	1337	8	-	-	HYPH
12787	1337	9	point	point	NN
12787	1337	10	is	be	VBZ
12787	1337	11	not	not	RB
12787	1337	12	permanent	permanent	JJ
12787	1337	13	,	,	,
12787	1337	14	that	that	RB
12787	1337	15	is	is	RB
12787	1337	16	,	,	,
12787	1337	17	if	if	IN
12787	1337	18	the	the	DT
12787	1337	19	blue	blue	NN
12787	1337	20	of	of	IN
12787	1337	21	the	the	DT
12787	1337	22	iodo	iodo	NNP
12787	1337	23	-	-	HYPH
12787	1337	24	starch	starch	NN
12787	1337	25	is	be	VBZ
12787	1337	26	discharged	discharge	VBN
12787	1337	27	after	after	IN
12787	1337	28	standing	stand	VBG
12787	1337	29	a	a	DT
12787	1337	30	few	few	JJ
12787	1337	31	moments	moment	NNS
12787	1337	32	,	,	,
12787	1337	33	the	the	DT
12787	1337	34	cause	cause	NN
12787	1337	35	may	may	MD
12787	1337	36	be	be	VB
12787	1337	37	an	an	DT
12787	1337	38	insufficient	insufficient	JJ
12787	1337	39	quantity	quantity	NN
12787	1337	40	of	of	IN
12787	1337	41	sodium	sodium	NN
12787	1337	42	bicarbonate	bicarbonate	NN
12787	1337	43	,	,	,
12787	1337	44	leaving	leave	VBG
12787	1337	45	the	the	DT
12787	1337	46	solution	solution	NN
12787	1337	47	slightly	slightly	RB
12787	1337	48	acid	acid	JJ
12787	1337	49	,	,	,
12787	1337	50	or	or	CC
12787	1337	51	a	a	DT
12787	1337	52	very	very	RB
12787	1337	53	slight	slight	JJ
12787	1337	54	precipitation	precipitation	NN
12787	1337	55	of	of	IN
12787	1337	56	an	an	DT
12787	1337	57	antimony	antimony	NN
12787	1337	58	compound	compound	NN
12787	1337	59	which	which	WDT
12787	1337	60	is	be	VBZ
12787	1337	61	slowly	slowly	RB
12787	1337	62	acted	act	VBN
12787	1337	63	upon	upon	IN
12787	1337	64	by	by	IN
12787	1337	65	the	the	DT
12787	1337	66	iodine	iodine	NN
12787	1337	67	when	when	WRB
12787	1337	68	the	the	DT
12787	1337	69	latter	latter	NN
12787	1337	70	is	be	VBZ
12787	1337	71	momentarily	momentarily	RB
12787	1337	72	present	present	JJ
12787	1337	73	in	in	IN
12787	1337	74	excess	excess	NN
12787	1337	75	.	.	.
12787	1338	1	In	in	IN
12787	1338	2	either	either	DT
12787	1338	3	case	case	NN
12787	1338	4	it	-PRON-	PRP
12787	1338	5	is	be	VBZ
12787	1338	6	better	well	JJR
12787	1338	7	to	to	TO
12787	1338	8	discard	discard	VB
12787	1338	9	the	the	DT
12787	1338	10	analysis	analysis	NN
12787	1338	11	and	and	CC
12787	1338	12	to	to	TO
12787	1338	13	repeat	repeat	VB
12787	1338	14	the	the	DT
12787	1338	15	process	process	NN
12787	1338	16	,	,	,
12787	1338	17	using	use	VBG
12787	1338	18	greater	great	JJR
12787	1338	19	care	care	NN
12787	1338	20	in	in	IN
12787	1338	21	the	the	DT
12787	1338	22	amounts	amount	NNS
12787	1338	23	of	of	IN
12787	1338	24	reagents	reagent	NNS
12787	1338	25	employed	employ	VBN
12787	1338	26	.	.	.
12787	1338	27	]	]	-RRB-
12787	1339	1	CHLORIMETRY	CHLORIMETRY	NNP
12787	1339	2	The	the	DT
12787	1339	3	processes	process	NNS
12787	1339	4	included	include	VBN
12787	1339	5	under	under	IN
12787	1339	6	the	the	DT
12787	1339	7	term	term	NN
12787	1339	8	!	!	.
12787	1339	9	chlorimetry	chlorimetry	NN
12787	1339	10	!	!	.
12787	1340	1	comprise	comprise	VB
12787	1340	2	those	those	DT
12787	1340	3	employed	employ	VBN
12787	1340	4	to	to	TO
12787	1340	5	determine	determine	VB
12787	1340	6	chlorine	chlorine	NN
12787	1340	7	,	,	,
12787	1340	8	hypochlorites	hypochlorite	NNS
12787	1340	9	,	,	,
12787	1340	10	bromine	bromine	NNP
12787	1340	11	,	,	,
12787	1340	12	and	and	CC
12787	1340	13	hypobromites	hypobromite	VBZ
12787	1340	14	.	.	.
12787	1341	1	The	the	DT
12787	1341	2	reagent	reagent	NN
12787	1341	3	employed	employ	VBN
12787	1341	4	is	be	VBZ
12787	1341	5	sodium	sodium	NN
12787	1341	6	arsenite	arsenite	NNP
12787	1341	7	in	in	IN
12787	1341	8	the	the	DT
12787	1341	9	presence	presence	NN
12787	1341	10	of	of	IN
12787	1341	11	sodium	sodium	NN
12787	1341	12	bicarbonate	bicarbonate	NN
12787	1341	13	.	.	.
12787	1342	1	The	the	DT
12787	1342	2	reaction	reaction	NN
12787	1342	3	in	in	IN
12787	1342	4	the	the	DT
12787	1342	5	case	case	NN
12787	1342	6	of	of	IN
12787	1342	7	the	the	DT
12787	1342	8	hypochlorites	hypochlorite	NNS
12787	1342	9	is	be	VBZ
12787	1342	10	NaClO	NaClO	NNP
12787	1342	11	+	+	SYM
12787	1342	12	Na_{3}AsO_{3	na_{3}aso_{3	NN
12787	1342	13	}	}	-RRB-
12787	1342	14	--	--	:
12787	1342	15	>	>	XX
12787	1342	16	Na_{3}AsO_{4	Na_{3}AsO_{4	NNP
12787	1342	17	}	}	-RRB-
12787	1342	18	+	+	CC
12787	1342	19	NaCl	NaCl	NNP
12787	1342	20	.	.	.
12787	1343	1	The	the	DT
12787	1343	2	sodium	sodium	NN
12787	1343	3	arsenite	arsenite	NN
12787	1343	4	may	may	MD
12787	1343	5	be	be	VB
12787	1343	6	prepared	prepare	VBN
12787	1343	7	from	from	IN
12787	1343	8	pure	pure	JJ
12787	1343	9	arsenious	arsenious	JJ
12787	1343	10	oxide	oxide	NN
12787	1343	11	,	,	,
12787	1343	12	as	as	IN
12787	1343	13	described	describe	VBN
12787	1343	14	below	below	RB
12787	1343	15	,	,	,
12787	1343	16	and	and	CC
12787	1343	17	is	be	VBZ
12787	1343	18	stable	stable	JJ
12787	1343	19	for	for	IN
12787	1343	20	considerable	considerable	JJ
12787	1343	21	periods	period	NNS
12787	1343	22	;	;	:
12787	1343	23	but	but	CC
12787	1343	24	commercial	commercial	JJ
12787	1343	25	oxide	oxide	NN
12787	1343	26	requires	require	VBZ
12787	1343	27	resublimation	resublimation	NN
12787	1343	28	to	to	TO
12787	1343	29	remove	remove	VB
12787	1343	30	arsenic	arsenic	JJ
12787	1343	31	sulphide	sulphide	NN
12787	1343	32	,	,	,
12787	1343	33	which	which	WDT
12787	1343	34	may	may	MD
12787	1343	35	be	be	VB
12787	1343	36	present	present	JJ
12787	1343	37	in	in	IN
12787	1343	38	small	small	JJ
12787	1343	39	quantity	quantity	NN
12787	1343	40	.	.	.
12787	1344	1	To	to	TO
12787	1344	2	prepare	prepare	VB
12787	1344	3	the	the	DT
12787	1344	4	solution	solution	NN
12787	1344	5	,	,	,
12787	1344	6	dissolve	dissolve	VB
12787	1344	7	about	about	RB
12787	1344	8	5	5	CD
12787	1344	9	grams	gram	NNS
12787	1344	10	of	of	IN
12787	1344	11	the	the	DT
12787	1344	12	powdered	powder	VBN
12787	1344	13	oxide	oxide	NN
12787	1344	14	,	,	,
12787	1344	15	accurately	accurately	RB
12787	1344	16	weighed	weigh	VBN
12787	1344	17	,	,	,
12787	1344	18	in	in	IN
12787	1344	19	10	10	CD
12787	1344	20	cc	cc	NN
12787	1344	21	.	.	.
12787	1345	1	of	of	IN
12787	1345	2	a	a	DT
12787	1345	3	concentrated	concentrated	JJ
12787	1345	4	sodium	sodium	NN
12787	1345	5	hydroxide	hydroxide	NN
12787	1345	6	solution	solution	NN
12787	1345	7	,	,	,
12787	1345	8	dilute	dilute	VB
12787	1345	9	the	the	DT
12787	1345	10	solution	solution	NN
12787	1345	11	to	to	IN
12787	1345	12	300	300	CD
12787	1345	13	cc	cc	NNP
12787	1345	14	.	.	NNP
12787	1345	15	,	,	,
12787	1345	16	and	and	CC
12787	1345	17	make	make	VB
12787	1345	18	it	-PRON-	PRP
12787	1345	19	faintly	faintly	RB
12787	1345	20	acid	acid	VB
12787	1345	21	with	with	IN
12787	1345	22	dilute	dilute	JJ
12787	1345	23	hydrochloric	hydrochloric	NNP
12787	1345	24	acid	acid	NN
12787	1345	25	.	.	.
12787	1346	1	Add	add	VB
12787	1346	2	30	30	CD
12787	1346	3	grams	gram	NNS
12787	1346	4	of	of	IN
12787	1346	5	sodium	sodium	NN
12787	1346	6	bicarbonate	bicarbonate	NN
12787	1346	7	dissolved	dissolve	VBN
12787	1346	8	in	in	IN
12787	1346	9	a	a	DT
12787	1346	10	little	little	JJ
12787	1346	11	water	water	NN
12787	1346	12	,	,	,
12787	1346	13	and	and	CC
12787	1346	14	dilute	dilute	VB
12787	1346	15	the	the	DT
12787	1346	16	solution	solution	NN
12787	1346	17	to	to	IN
12787	1346	18	exactly	exactly	RB
12787	1346	19	1000	1000	CD
12787	1346	20	cc	cc	NN
12787	1346	21	.	.	.
12787	1347	1	in	in	IN
12787	1347	2	a	a	DT
12787	1347	3	measuring	measure	VBG
12787	1347	4	flask	flask	NN
12787	1347	5	.	.	.
12787	1348	1	Transfer	transfer	VB
12787	1348	2	the	the	DT
12787	1348	3	solution	solution	NN
12787	1348	4	to	to	IN
12787	1348	5	a	a	DT
12787	1348	6	dry	dry	JJ
12787	1348	7	liter	liter	NN
12787	1348	8	bottle	bottle	NN
12787	1348	9	and	and	CC
12787	1348	10	mix	mix	VB
12787	1348	11	thoroughly	thoroughly	RB
12787	1348	12	.	.	.
12787	1349	1	It	-PRON-	PRP
12787	1349	2	is	be	VBZ
12787	1349	3	possible	possible	JJ
12787	1349	4	to	to	TO
12787	1349	5	dissolve	dissolve	VB
12787	1349	6	the	the	DT
12787	1349	7	arsenious	arsenious	JJ
12787	1349	8	oxide	oxide	NN
12787	1349	9	directly	directly	RB
12787	1349	10	in	in	IN
12787	1349	11	a	a	DT
12787	1349	12	solution	solution	NN
12787	1349	13	of	of	IN
12787	1349	14	sodium	sodium	NN
12787	1349	15	bicarbonate	bicarbonate	NN
12787	1349	16	,	,	,
12787	1349	17	with	with	IN
12787	1349	18	gentle	gentle	JJ
12787	1349	19	warming	warming	NN
12787	1349	20	,	,	,
12787	1349	21	but	but	CC
12787	1349	22	solution	solution	NN
12787	1349	23	in	in	IN
12787	1349	24	sodium	sodium	NN
12787	1349	25	hydroxide	hydroxide	NN
12787	1349	26	takes	take	VBZ
12787	1349	27	place	place	NN
12787	1349	28	much	much	RB
12787	1349	29	more	more	RBR
12787	1349	30	rapidly	rapidly	RB
12787	1349	31	,	,	,
12787	1349	32	and	and	CC
12787	1349	33	the	the	DT
12787	1349	34	excess	excess	NN
12787	1349	35	of	of	IN
12787	1349	36	the	the	DT
12787	1349	37	hydroxide	hydroxide	NN
12787	1349	38	is	be	VBZ
12787	1349	39	readily	readily	RB
12787	1349	40	neutralized	neutralize	VBN
12787	1349	41	by	by	IN
12787	1349	42	hydrochloric	hydrochloric	JJ
12787	1349	43	acid	acid	NN
12787	1349	44	,	,	,
12787	1349	45	with	with	IN
12787	1349	46	subsequent	subsequent	JJ
12787	1349	47	addition	addition	NN
12787	1349	48	of	of	IN
12787	1349	49	the	the	DT
12787	1349	50	bicarbonate	bicarbonate	NN
12787	1349	51	to	to	TO
12787	1349	52	maintain	maintain	VB
12787	1349	53	neutrality	neutrality	NN
12787	1349	54	during	during	IN
12787	1349	55	the	the	DT
12787	1349	56	titration	titration	NN
12787	1349	57	.	.	.
12787	1350	1	The	the	DT
12787	1350	2	indicator	indicator	NN
12787	1350	3	required	require	VBN
12787	1350	4	for	for	IN
12787	1350	5	this	this	DT
12787	1350	6	process	process	NN
12787	1350	7	is	be	VBZ
12787	1350	8	made	make	VBN
12787	1350	9	by	by	IN
12787	1350	10	dipping	dip	VBG
12787	1350	11	strips	strip	NNS
12787	1350	12	of	of	IN
12787	1350	13	filter	filter	NN
12787	1350	14	paper	paper	NN
12787	1350	15	in	in	IN
12787	1350	16	a	a	DT
12787	1350	17	starch	starch	NN
12787	1350	18	solution	solution	NN
12787	1350	19	prepared	prepare	VBD
12787	1350	20	as	as	IN
12787	1350	21	described	describe	VBN
12787	1350	22	on	on	IN
12787	1350	23	page	page	NN
12787	1350	24	76	76	CD
12787	1350	25	,	,	,
12787	1350	26	to	to	TO
12787	1350	27	which	which	WDT
12787	1350	28	1	1	CD
12787	1350	29	gram	gram	NN
12787	1350	30	of	of	IN
12787	1350	31	potassium	potassium	NN
12787	1350	32	iodide	iodide	NN
12787	1350	33	has	have	VBZ
12787	1350	34	been	be	VBN
12787	1350	35	added	add	VBN
12787	1350	36	.	.	.
12787	1351	1	These	these	DT
12787	1351	2	strips	strip	NNS
12787	1351	3	are	be	VBP
12787	1351	4	allowed	allow	VBN
12787	1351	5	to	to	TO
12787	1351	6	drain	drain	VB
12787	1351	7	and	and	CC
12787	1351	8	spread	spread	VB
12787	1351	9	upon	upon	IN
12787	1351	10	a	a	DT
12787	1351	11	watch	watch	NN
12787	1351	12	-	-	HYPH
12787	1351	13	glass	glass	NN
12787	1351	14	until	until	IN
12787	1351	15	dry	dry	JJ
12787	1351	16	.	.	.
12787	1352	1	When	when	WRB
12787	1352	2	touched	touch	VBN
12787	1352	3	by	by	IN
12787	1352	4	a	a	DT
12787	1352	5	drop	drop	NN
12787	1352	6	of	of	IN
12787	1352	7	the	the	DT
12787	1352	8	solution	solution	NN
12787	1352	9	the	the	DT
12787	1352	10	paper	paper	NN
12787	1352	11	turns	turn	VBZ
12787	1352	12	blue	blue	JJ
12787	1352	13	until	until	IN
12787	1352	14	the	the	DT
12787	1352	15	hypochlorite	hypochlorite	NN
12787	1352	16	has	have	VBZ
12787	1352	17	all	all	DT
12787	1352	18	been	be	VBN
12787	1352	19	reduced	reduce	VBN
12787	1352	20	and	and	CC
12787	1352	21	an	an	DT
12787	1352	22	excess	excess	NN
12787	1352	23	of	of	IN
12787	1352	24	the	the	DT
12787	1352	25	arsenite	arsenite	NN
12787	1352	26	has	have	VBZ
12787	1352	27	been	be	VBN
12787	1352	28	added	add	VBN
12787	1352	29	.	.	.
12787	1353	1	DETERMINATION	determination	NN
12787	1353	2	OF	of	IN
12787	1353	3	THE	the	DT
12787	1353	4	AVAILABLE	AVAILABLE	NNP
12787	1353	5	CHLORINE	CHLORINE	NNP
12787	1353	6	IN	in	IN
12787	1353	7	BLEACHING	BLEACHING	NNP
12787	1353	8	POWDER	POWDER	NNP
12787	1353	9	Bleaching	Bleaching	NNP
12787	1353	10	powder	powder	NN
12787	1353	11	consists	consist	VBZ
12787	1353	12	mainly	mainly	RB
12787	1353	13	of	of	IN
12787	1353	14	a	a	DT
12787	1353	15	calcium	calcium	NN
12787	1353	16	compound	compound	NN
12787	1353	17	which	which	WDT
12787	1353	18	is	be	VBZ
12787	1353	19	a	a	DT
12787	1353	20	derivative	derivative	NN
12787	1353	21	of	of	IN
12787	1353	22	both	both	CC
12787	1353	23	hydrochloric	hydrochloric	JJ
12787	1353	24	and	and	CC
12787	1353	25	hypochlorous	hypochlorous	JJ
12787	1353	26	acids	acid	NNS
12787	1353	27	.	.	.
12787	1354	1	Its	-PRON-	PRP$
12787	1354	2	formula	formula	NN
12787	1354	3	is	be	VBZ
12787	1354	4	CaClOCl	CaClOCl	NNP
12787	1354	5	.	.	.
12787	1355	1	Its	-PRON-	PRP$
12787	1355	2	use	use	NN
12787	1355	3	as	as	IN
12787	1355	4	a	a	DT
12787	1355	5	bleaching	bleach	VBG
12787	1355	6	or	or	CC
12787	1355	7	disinfecting	disinfect	VBG
12787	1355	8	agent	agent	NN
12787	1355	9	,	,	,
12787	1355	10	or	or	CC
12787	1355	11	as	as	IN
12787	1355	12	a	a	DT
12787	1355	13	source	source	NN
12787	1355	14	of	of	IN
12787	1355	15	chlorine	chlorine	NN
12787	1355	16	,	,	,
12787	1355	17	depends	depend	VBZ
12787	1355	18	upon	upon	IN
12787	1355	19	the	the	DT
12787	1355	20	amount	amount	NN
12787	1355	21	of	of	IN
12787	1355	22	hypochlorous	hypochlorous	JJ
12787	1355	23	acid	acid	NN
12787	1355	24	which	which	WDT
12787	1355	25	it	-PRON-	PRP
12787	1355	26	yields	yield	VBZ
12787	1355	27	when	when	WRB
12787	1355	28	treated	treat	VBN
12787	1355	29	with	with	IN
12787	1355	30	a	a	DT
12787	1355	31	stronger	strong	JJR
12787	1355	32	acid	acid	NN
12787	1355	33	.	.	.
12787	1356	1	It	-PRON-	PRP
12787	1356	2	is	be	VBZ
12787	1356	3	customary	customary	JJ
12787	1356	4	to	to	TO
12787	1356	5	express	express	VB
12787	1356	6	the	the	DT
12787	1356	7	value	value	NN
12787	1356	8	of	of	IN
12787	1356	9	bleaching	bleach	VBG
12787	1356	10	powder	powder	NN
12787	1356	11	in	in	IN
12787	1356	12	terms	term	NNS
12787	1356	13	of	of	IN
12787	1356	14	"	"	``
12787	1356	15	available	available	JJ
12787	1356	16	chlorine	chlorine	NN
12787	1356	17	,	,	,
12787	1356	18	"	"	''
12787	1356	19	by	by	IN
12787	1356	20	which	which	WDT
12787	1356	21	is	be	VBZ
12787	1356	22	meant	mean	VBN
12787	1356	23	the	the	DT
12787	1356	24	chlorine	chlorine	NN
12787	1356	25	present	present	JJ
12787	1356	26	as	as	IN
12787	1356	27	hypochlorite	hypochlorite	NN
12787	1356	28	,	,	,
12787	1356	29	but	but	CC
12787	1356	30	not	not	RB
12787	1356	31	the	the	DT
12787	1356	32	chlorine	chlorine	NN
12787	1356	33	present	present	JJ
12787	1356	34	as	as	IN
12787	1356	35	chloride	chloride	NN
12787	1356	36	.	.	.
12787	1357	1	PROCEDURE.--Weigh	procedure.--weigh	VB
12787	1357	2	out	out	RB
12787	1357	3	from	from	IN
12787	1357	4	a	a	DT
12787	1357	5	stoppered	stopper	VBN
12787	1357	6	test	test	NN
12787	1357	7	tube	tube	NN
12787	1357	8	into	into	IN
12787	1357	9	a	a	DT
12787	1357	10	porcelain	porcelain	JJ
12787	1357	11	mortar	mortar	NN
12787	1357	12	about	about	RB
12787	1357	13	3.5	3.5	CD
12787	1357	14	grams	gram	NNS
12787	1357	15	of	of	IN
12787	1357	16	bleaching	bleach	VBG
12787	1357	17	powder	powder	NN
12787	1357	18	(	(	-LRB-
12787	1357	19	Note	note	NN
12787	1357	20	1	1	CD
12787	1357	21	)	)	-RRB-
12787	1357	22	.	.	.
12787	1358	1	Triturate	triturate	VB
12787	1358	2	the	the	DT
12787	1358	3	powder	powder	NN
12787	1358	4	in	in	IN
12787	1358	5	the	the	DT
12787	1358	6	mortar	mortar	NN
12787	1358	7	with	with	IN
12787	1358	8	successive	successive	JJ
12787	1358	9	portions	portion	NNS
12787	1358	10	of	of	IN
12787	1358	11	water	water	NN
12787	1358	12	until	until	IN
12787	1358	13	it	-PRON-	PRP
12787	1358	14	is	be	VBZ
12787	1358	15	well	well	RB
12787	1358	16	ground	grind	VBN
12787	1358	17	and	and	CC
12787	1358	18	wash	wash	VB
12787	1358	19	the	the	DT
12787	1358	20	contents	content	NNS
12787	1358	21	into	into	IN
12787	1358	22	a	a	DT
12787	1358	23	500	500	CD
12787	1358	24	cc	cc	NN
12787	1358	25	.	.	.
12787	1359	1	measuring	measure	VBG
12787	1359	2	flask	flask	NN
12787	1359	3	(	(	-LRB-
12787	1359	4	Note	note	NN
12787	1359	5	2	2	CD
12787	1359	6	)	)	-RRB-
12787	1359	7	.	.	.
12787	1360	1	Fill	fill	VB
12787	1360	2	the	the	DT
12787	1360	3	flask	flask	NN
12787	1360	4	to	to	IN
12787	1360	5	the	the	DT
12787	1360	6	mark	mark	NN
12787	1360	7	with	with	IN
12787	1360	8	water	water	NN
12787	1360	9	and	and	CC
12787	1360	10	shake	shake	VB
12787	1360	11	thoroughly	thoroughly	RB
12787	1360	12	.	.	.
12787	1361	1	Measure	measure	VB
12787	1361	2	off	off	RP
12787	1361	3	25	25	CD
12787	1361	4	cc	cc	NN
12787	1361	5	.	.	.
12787	1362	1	of	of	IN
12787	1362	2	this	this	DT
12787	1362	3	semi	semi	JJ
12787	1362	4	-	-	JJ
12787	1362	5	solution	solution	NN
12787	1362	6	in	in	IN
12787	1362	7	a	a	DT
12787	1362	8	measuring	measure	VBG
12787	1362	9	flask	flask	NN
12787	1362	10	,	,	,
12787	1362	11	or	or	CC
12787	1362	12	pipette	pipette	NNP
12787	1362	13	,	,	,
12787	1362	14	observing	observe	VBG
12787	1362	15	the	the	DT
12787	1362	16	precaution	precaution	NN
12787	1362	17	that	that	WDT
12787	1362	18	the	the	DT
12787	1362	19	liquid	liquid	NN
12787	1362	20	removed	remove	VBN
12787	1362	21	shall	shall	MD
12787	1362	22	contain	contain	VB
12787	1362	23	approximately	approximately	RB
12787	1362	24	its	-PRON-	PRP$
12787	1362	25	proportion	proportion	NN
12787	1362	26	of	of	IN
12787	1362	27	suspended	suspend	VBN
12787	1362	28	matter	matter	NN
12787	1362	29	.	.	.
12787	1363	1	Empty	empty	JJ
12787	1363	2	the	the	DT
12787	1363	3	flask	flask	NN
12787	1363	4	or	or	CC
12787	1363	5	pipette	pipette	NN
12787	1363	6	into	into	IN
12787	1363	7	a	a	DT
12787	1363	8	beaker	beaker	NN
12787	1363	9	and	and	CC
12787	1363	10	wash	wash	VB
12787	1363	11	it	-PRON-	PRP
12787	1363	12	out	out	RP
12787	1363	13	.	.	.
12787	1364	1	Run	run	VB
12787	1364	2	in	in	IN
12787	1364	3	the	the	DT
12787	1364	4	arsenite	arsenite	JJ
12787	1364	5	solution	solution	NN
12787	1364	6	from	from	IN
12787	1364	7	a	a	DT
12787	1364	8	burette	burette	NN
12787	1364	9	until	until	IN
12787	1364	10	no	no	DT
12787	1364	11	further	further	JJ
12787	1364	12	reaction	reaction	NN
12787	1364	13	takes	take	VBZ
12787	1364	14	place	place	NN
12787	1364	15	on	on	IN
12787	1364	16	the	the	DT
12787	1364	17	starch	starch	NN
12787	1364	18	-	-	HYPH
12787	1364	19	iodide	iodide	NN
12787	1364	20	paper	paper	NN
12787	1364	21	when	when	WRB
12787	1364	22	touched	touch	VBN
12787	1364	23	by	by	IN
12787	1364	24	a	a	DT
12787	1364	25	drop	drop	NN
12787	1364	26	of	of	IN
12787	1364	27	the	the	DT
12787	1364	28	solution	solution	NN
12787	1364	29	of	of	IN
12787	1364	30	bleaching	bleach	VBG
12787	1364	31	powder	powder	NN
12787	1364	32	.	.	.
12787	1365	1	Repeat	repeat	VB
12787	1365	2	the	the	DT
12787	1365	3	titration	titration	NN
12787	1365	4	,	,	,
12787	1365	5	using	use	VBG
12787	1365	6	a	a	DT
12787	1365	7	second	second	JJ
12787	1365	8	25	25	CD
12787	1365	9	cc	cc	NN
12787	1365	10	.	.	.
12787	1366	1	portion	portion	NN
12787	1366	2	.	.	.
12787	1367	1	From	from	IN
12787	1367	2	the	the	DT
12787	1367	3	volume	volume	NN
12787	1367	4	of	of	IN
12787	1367	5	solution	solution	NN
12787	1367	6	required	require	VBN
12787	1367	7	to	to	TO
12787	1367	8	react	react	VB
12787	1367	9	with	with	IN
12787	1367	10	the	the	DT
12787	1367	11	bleaching	bleach	VBG
12787	1367	12	powder	powder	NN
12787	1367	13	,	,	,
12787	1367	14	calculate	calculate	VB
12787	1367	15	the	the	DT
12787	1367	16	percentage	percentage	NN
12787	1367	17	of	of	IN
12787	1367	18	available	available	JJ
12787	1367	19	chlorine	chlorine	NN
12787	1367	20	in	in	IN
12787	1367	21	the	the	DT
12787	1367	22	latter	latter	JJ
12787	1367	23	,	,	,
12787	1367	24	assuming	assume	VBG
12787	1367	25	the	the	DT
12787	1367	26	titration	titration	NN
12787	1367	27	reaction	reaction	NN
12787	1367	28	to	to	TO
12787	1367	29	be	be	VB
12787	1367	30	that	that	IN
12787	1367	31	between	between	IN
12787	1367	32	chlorine	chlorine	NN
12787	1367	33	and	and	CC
12787	1367	34	arsenious	arsenious	JJ
12787	1367	35	oxide	oxide	NN
12787	1367	36	:	:	:
12787	1367	37	As_{4}O_{6	As_{4}O_{6	NNP
12787	1367	38	}	}	-RRB-
12787	1367	39	+	+	NNP
12787	1367	40	4Cl_{2	4Cl_{2	NNP
12787	1367	41	}	}	-RRB-
12787	1367	42	+	+	CC
12787	1367	43	4H_{2}O	4h_{2}o	CD
12787	1367	44	--	--	:
12787	1367	45	>	>	XX
12787	1367	46	2As_{2}O_{5	2as_{2}o_{5	CD
12787	1367	47	}	}	-RRB-
12787	1367	48	+	+	SYM
12787	1367	49	8HCl	8HCl	NNP
12787	1367	50	Note	note	VB
12787	1367	51	that	that	IN
12787	1367	52	only	only	RB
12787	1367	53	one	one	CD
12787	1367	54	twentieth	twentieth	NN
12787	1367	55	of	of	IN
12787	1367	56	the	the	DT
12787	1367	57	original	original	JJ
12787	1367	58	weight	weight	NN
12787	1367	59	of	of	IN
12787	1367	60	bleaching	bleach	VBG
12787	1367	61	powder	powder	NN
12787	1367	62	enters	enter	NNS
12787	1367	63	into	into	IN
12787	1367	64	the	the	DT
12787	1367	65	reaction	reaction	NN
12787	1367	66	.	.	.
12787	1368	1	[	[	-LRB-
12787	1368	2	Note	note	NN
12787	1368	3	1	1	CD
12787	1368	4	:	:	:
12787	1368	5	The	the	DT
12787	1368	6	powder	powder	NN
12787	1368	7	must	must	MD
12787	1368	8	be	be	VB
12787	1368	9	triturated	triturate	VBN
12787	1368	10	until	until	IN
12787	1368	11	it	-PRON-	PRP
12787	1368	12	is	be	VBZ
12787	1368	13	fine	fine	JJ
12787	1368	14	,	,	,
12787	1368	15	otherwise	otherwise	RB
12787	1368	16	the	the	DT
12787	1368	17	lumps	lump	NNS
12787	1368	18	will	will	MD
12787	1368	19	inclose	inclose	VB
12787	1368	20	calcium	calcium	NN
12787	1368	21	hypochlorite	hypochlorite	NN
12787	1368	22	,	,	,
12787	1368	23	which	which	WDT
12787	1368	24	will	will	MD
12787	1368	25	fail	fail	VB
12787	1368	26	to	to	TO
12787	1368	27	react	react	VB
12787	1368	28	with	with	IN
12787	1368	29	the	the	DT
12787	1368	30	arsenious	arsenious	JJ
12787	1368	31	acid	acid	NN
12787	1368	32	.	.	.
12787	1369	1	The	the	DT
12787	1369	2	clear	clear	JJ
12787	1369	3	supernatant	supernatant	JJ
12787	1369	4	liquid	liquid	NN
12787	1369	5	gives	give	VBZ
12787	1369	6	percentages	percentage	NNS
12787	1369	7	which	which	WDT
12787	1369	8	are	be	VBP
12787	1369	9	below	below	RB
12787	1369	10	,	,	,
12787	1369	11	and	and	CC
12787	1369	12	the	the	DT
12787	1369	13	sediment	sediment	NN
12787	1369	14	percentages	percentage	NNS
12787	1369	15	which	which	WDT
12787	1369	16	are	be	VBP
12787	1369	17	above	above	RB
12787	1369	18	,	,	,
12787	1369	19	the	the	DT
12787	1369	20	average	average	NN
12787	1369	21	.	.	.
12787	1370	1	The	the	DT
12787	1370	2	liquid	liquid	NN
12787	1370	3	measured	measure	VBN
12787	1370	4	off	off	RP
12787	1370	5	should	should	NNP
12787	1370	6	,	,	,
12787	1370	7	therefore	therefore	RB
12787	1370	8	,	,	,
12787	1370	9	carry	carry	VBP
12787	1370	10	with	with	IN
12787	1370	11	it	-PRON-	PRP
12787	1370	12	its	-PRON-	PRP$
12787	1370	13	proper	proper	JJ
12787	1370	14	proportion	proportion	NN
12787	1370	15	of	of	IN
12787	1370	16	the	the	DT
12787	1370	17	sediment	sediment	NN
12787	1370	18	,	,	,
12787	1370	19	so	so	RB
12787	1370	20	far	far	RB
12787	1370	21	as	as	IN
12787	1370	22	that	that	DT
12787	1370	23	can	can	MD
12787	1370	24	be	be	VB
12787	1370	25	brought	bring	VBN
12787	1370	26	about	about	RP
12787	1370	27	by	by	IN
12787	1370	28	shaking	shake	VBG
12787	1370	29	the	the	DT
12787	1370	30	solution	solution	NN
12787	1370	31	just	just	RB
12787	1370	32	before	before	IN
12787	1370	33	removal	removal	NN
12787	1370	34	of	of	IN
12787	1370	35	the	the	DT
12787	1370	36	aliquot	aliquot	NNP
12787	1370	37	part	part	NN
12787	1370	38	for	for	IN
12787	1370	39	titration	titration	NN
12787	1370	40	.	.	.
12787	1370	41	]	]	-RRB-
12787	1371	1	[	[	-LRB-
12787	1371	2	Note	note	NN
12787	1371	3	2	2	CD
12787	1371	4	:	:	:
12787	1371	5	Bleaching	bleaching	NN
12787	1371	6	powder	powder	NN
12787	1371	7	is	be	VBZ
12787	1371	8	easily	easily	RB
12787	1371	9	acted	act	VBN
12787	1371	10	upon	upon	IN
12787	1371	11	by	by	IN
12787	1371	12	the	the	DT
12787	1371	13	carbonic	carbonic	JJ
12787	1371	14	acid	acid	NN
12787	1371	15	in	in	IN
12787	1371	16	the	the	DT
12787	1371	17	air	air	NN
12787	1371	18	,	,	,
12787	1371	19	which	which	WDT
12787	1371	20	liberates	liberate	VBZ
12787	1371	21	the	the	DT
12787	1371	22	weak	weak	JJ
12787	1371	23	hypochlorous	hypochlorous	JJ
12787	1371	24	acid	acid	NN
12787	1371	25	.	.	.
12787	1372	1	This	this	DT
12787	1372	2	,	,	,
12787	1372	3	of	of	IN
12787	1372	4	course	course	NN
12787	1372	5	,	,	,
12787	1372	6	results	result	VBZ
12787	1372	7	in	in	IN
12787	1372	8	a	a	DT
12787	1372	9	loss	loss	NN
12787	1372	10	of	of	IN
12787	1372	11	available	available	JJ
12787	1372	12	chlorine	chlorine	NN
12787	1372	13	.	.	.
12787	1373	1	The	the	DT
12787	1373	2	original	original	JJ
12787	1373	3	material	material	NN
12787	1373	4	for	for	IN
12787	1373	5	analysis	analysis	NN
12787	1373	6	should	should	MD
12787	1373	7	be	be	VB
12787	1373	8	kept	keep	VBN
12787	1373	9	in	in	IN
12787	1373	10	a	a	DT
12787	1373	11	closed	close	VBN
12787	1373	12	container	container	NN
12787	1373	13	and	and	CC
12787	1373	14	protected	protect	VBN
12787	1373	15	form	form	NN
12787	1373	16	the	the	DT
12787	1373	17	air	air	NN
12787	1373	18	as	as	RB
12787	1373	19	far	far	RB
12787	1373	20	as	as	IN
12787	1373	21	possible	possible	JJ
12787	1373	22	.	.	.
12787	1374	1	It	-PRON-	PRP
12787	1374	2	is	be	VBZ
12787	1374	3	difficult	difficult	JJ
12787	1374	4	to	to	TO
12787	1374	5	obtain	obtain	VB
12787	1374	6	analytical	analytical	JJ
12787	1374	7	samples	sample	NNS
12787	1374	8	which	which	WDT
12787	1374	9	are	be	VBP
12787	1374	10	accurately	accurately	RB
12787	1374	11	representative	representative	JJ
12787	1374	12	of	of	IN
12787	1374	13	a	a	DT
12787	1374	14	large	large	JJ
12787	1374	15	quantity	quantity	NN
12787	1374	16	of	of	IN
12787	1374	17	the	the	DT
12787	1374	18	bleaching	bleach	VBG
12787	1374	19	powder	powder	NN
12787	1374	20	.	.	.
12787	1375	1	The	the	DT
12787	1375	2	procedure	procedure	NN
12787	1375	3	,	,	,
12787	1375	4	as	as	IN
12787	1375	5	outlined	outline	VBN
12787	1375	6	,	,	,
12787	1375	7	will	will	MD
12787	1375	8	yield	yield	VB
12787	1375	9	results	result	NNS
12787	1375	10	which	which	WDT
12787	1375	11	are	be	VBP
12787	1375	12	sufficiently	sufficiently	RB
12787	1375	13	exact	exact	JJ
12787	1375	14	for	for	IN
12787	1375	15	technical	technical	JJ
12787	1375	16	purposes	purpose	NNS
12787	1375	17	.	.	.
12787	1375	18	]	]	-RRB-
12787	1376	1	III	iii	CD
12787	1376	2	.	.	.
12787	1377	1	PRECIPITATION	precipitation	NN
12787	1377	2	METHODS	methods	JJ
12787	1377	3	DETERMINATION	determination	NN
12787	1377	4	OF	of	IN
12787	1377	5	SILVER	silver	NN
12787	1377	6	BY	by	IN
12787	1377	7	THE	the	DT
12787	1377	8	THIOCYANATE	THIOCYANATE	NNP
12787	1377	9	PROCESS	proces	VBD
12787	1377	10	The	the	DT
12787	1377	11	addition	addition	NN
12787	1377	12	of	of	IN
12787	1377	13	a	a	DT
12787	1377	14	solution	solution	NN
12787	1377	15	of	of	IN
12787	1377	16	potassium	potassium	NN
12787	1377	17	or	or	CC
12787	1377	18	ammonium	ammonium	NN
12787	1377	19	thiocyanate	thiocyanate	NN
12787	1377	20	to	to	IN
12787	1377	21	one	one	CD
12787	1377	22	of	of	IN
12787	1377	23	silver	silver	NN
12787	1377	24	in	in	IN
12787	1377	25	nitric	nitric	JJ
12787	1377	26	acid	acid	NN
12787	1377	27	causes	cause	VBZ
12787	1377	28	a	a	DT
12787	1377	29	deposition	deposition	NN
12787	1377	30	of	of	IN
12787	1377	31	silver	silver	NN
12787	1377	32	thiocyanate	thiocyanate	NN
12787	1377	33	as	as	IN
12787	1377	34	a	a	DT
12787	1377	35	white	white	JJ
12787	1377	36	,	,	,
12787	1377	37	curdy	curdy	JJ
12787	1377	38	precipitate	precipitate	NN
12787	1377	39	.	.	.
12787	1378	1	If	if	IN
12787	1378	2	ferric	ferric	JJ
12787	1378	3	nitrate	nitrate	NN
12787	1378	4	is	be	VBZ
12787	1378	5	also	also	RB
12787	1378	6	present	present	JJ
12787	1378	7	,	,	,
12787	1378	8	the	the	DT
12787	1378	9	slightest	slight	JJS
12787	1378	10	excess	excess	NN
12787	1378	11	of	of	IN
12787	1378	12	the	the	DT
12787	1378	13	thiocyanate	thiocyanate	NN
12787	1378	14	over	over	IN
12787	1378	15	that	that	WDT
12787	1378	16	required	require	VBD
12787	1378	17	to	to	TO
12787	1378	18	combine	combine	VB
12787	1378	19	with	with	IN
12787	1378	20	the	the	DT
12787	1378	21	silver	silver	NN
12787	1378	22	is	be	VBZ
12787	1378	23	indicated	indicate	VBN
12787	1378	24	by	by	IN
12787	1378	25	the	the	DT
12787	1378	26	deep	deep	JJ
12787	1378	27	red	red	NN
12787	1378	28	which	which	WDT
12787	1378	29	is	be	VBZ
12787	1378	30	characteristic	characteristic	JJ
12787	1378	31	of	of	IN
12787	1378	32	the	the	DT
12787	1378	33	thiocyanate	thiocyanate	NN
12787	1378	34	test	test	NN
12787	1378	35	for	for	IN
12787	1378	36	iron	iron	NN
12787	1378	37	.	.	.
12787	1379	1	The	the	DT
12787	1379	2	reactions	reaction	NNS
12787	1379	3	involved	involve	VBN
12787	1379	4	are	be	VBP
12787	1379	5	:	:	:
12787	1379	6	AgNO_{3	AgNO_{3	NNP
12787	1379	7	}	}	-RRB-
12787	1379	8	+	+	CC
12787	1379	9	KSCN	KSCN	NNP
12787	1379	10	--	--	:
12787	1379	11	>	>	XX
12787	1379	12	AgSCN	AgSCN	NNP
12787	1379	13	+	+	SYM
12787	1379	14	KNO_{3	KNO_{3	NNP
12787	1379	15	}	}	-RRB-
12787	1379	16	,	,	,
12787	1379	17	3KSCN	3kscn	CD
12787	1379	18	+	+	SYM
12787	1379	19	Fe(NO_{3})_{3	fe(no_{3})_{3	CD
12787	1379	20	}	}	-RRB-
12787	1379	21	--	--	:
12787	1379	22	>	>	XX
12787	1379	23	Fe(SCN)_{3	Fe(SCN)_{3	NNP
12787	1379	24	}	}	-RRB-
12787	1379	25	+	+	CC
12787	1379	26	3KNO_{3	3kno_{3	CD
12787	1379	27	}	}	-RRB-
12787	1379	28	.	.	.
12787	1380	1	The	the	DT
12787	1380	2	ferric	ferric	JJ
12787	1380	3	thiocyanate	thiocyanate	NN
12787	1380	4	differs	differ	VBZ
12787	1380	5	from	from	IN
12787	1380	6	the	the	DT
12787	1380	7	great	great	JJ
12787	1380	8	majority	majority	NN
12787	1380	9	of	of	IN
12787	1380	10	salts	salt	NNS
12787	1380	11	in	in	IN
12787	1380	12	that	that	IN
12787	1380	13	it	-PRON-	PRP
12787	1380	14	is	be	VBZ
12787	1380	15	but	but	CC
12787	1380	16	very	very	RB
12787	1380	17	little	little	RB
12787	1380	18	dissociated	dissociated	JJ
12787	1380	19	in	in	IN
12787	1380	20	aqueous	aqueous	JJ
12787	1380	21	solutions	solution	NNS
12787	1380	22	,	,	,
12787	1380	23	and	and	CC
12787	1380	24	the	the	DT
12787	1380	25	characteristic	characteristic	JJ
12787	1380	26	color	color	NN
12787	1380	27	appears	appear	VBZ
12787	1380	28	to	to	TO
12787	1380	29	be	be	VB
12787	1380	30	occasioned	occasion	VBN
12787	1380	31	by	by	IN
12787	1380	32	the	the	DT
12787	1380	33	formation	formation	NN
12787	1380	34	of	of	IN
12787	1380	35	the	the	DT
12787	1380	36	un	un	NNP
12787	1380	37	-	-	HYPH
12787	1380	38	ionized	ionized	JJ
12787	1380	39	ferric	ferric	JJ
12787	1380	40	salt	salt	NN
12787	1380	41	.	.	.
12787	1381	1	The	the	DT
12787	1381	2	normal	normal	JJ
12787	1381	3	solution	solution	NN
12787	1381	4	of	of	IN
12787	1381	5	potassium	potassium	NN
12787	1381	6	thiocyanate	thiocyanate	NN
12787	1381	7	should	should	MD
12787	1381	8	contain	contain	VB
12787	1381	9	an	an	DT
12787	1381	10	amount	amount	NN
12787	1381	11	of	of	IN
12787	1381	12	the	the	DT
12787	1381	13	salt	salt	NN
12787	1381	14	per	per	IN
12787	1381	15	liter	liter	NN
12787	1381	16	of	of	IN
12787	1381	17	solution	solution	NN
12787	1381	18	which	which	WDT
12787	1381	19	would	would	MD
12787	1381	20	yield	yield	VB
12787	1381	21	sufficient	sufficient	JJ
12787	1381	22	(	(	-LRB-
12787	1381	23	CNS)^{-	CNS)^{-	NNP
12787	1381	24	}	}	-RRB-
12787	1381	25	to	to	TO
12787	1381	26	combine	combine	VB
12787	1381	27	with	with	IN
12787	1381	28	one	one	CD
12787	1381	29	gram	gram	NN
12787	1381	30	of	of	IN
12787	1381	31	hydrogen	hydrogen	NN
12787	1381	32	to	to	TO
12787	1381	33	form	form	VB
12787	1381	34	HCNS	HCNS	NNP
12787	1381	35	,	,	,
12787	1381	36	i.e.	i.e.	FW
12787	1381	37	,	,	,
12787	1381	38	a	a	DT
12787	1381	39	gram	gram	NN
12787	1381	40	-	-	HYPH
12787	1381	41	molecular	molecular	JJ
12787	1381	42	weight	weight	NN
12787	1381	43	of	of	IN
12787	1381	44	the	the	DT
12787	1381	45	salt	salt	NN
12787	1381	46	or	or	CC
12787	1381	47	97.17	97.17	CD
12787	1381	48	grams	gram	NNS
12787	1381	49	.	.	.
12787	1382	1	If	if	IN
12787	1382	2	the	the	DT
12787	1382	3	ammonium	ammonium	NN
12787	1382	4	thiocyanate	thiocyanate	NN
12787	1382	5	is	be	VBZ
12787	1382	6	used	use	VBN
12787	1382	7	,	,	,
12787	1382	8	the	the	DT
12787	1382	9	amount	amount	NN
12787	1382	10	is	be	VBZ
12787	1382	11	76.08	76.08	CD
12787	1382	12	grams	gram	NNS
12787	1382	13	.	.	.
12787	1383	1	To	to	TO
12787	1383	2	prepare	prepare	VB
12787	1383	3	the	the	DT
12787	1383	4	solution	solution	NN
12787	1383	5	for	for	IN
12787	1383	6	this	this	DT
12787	1383	7	determination	determination	NN
12787	1383	8	,	,	,
12787	1383	9	which	which	WDT
12787	1383	10	should	should	MD
12787	1383	11	be	be	VB
12787	1383	12	approximately	approximately	RB
12787	1383	13	0.05	0.05	CD
12787	1383	14	N	n	CD
12787	1383	15	,	,	,
12787	1383	16	dissolve	dissolve	VB
12787	1383	17	about	about	RB
12787	1383	18	5	5	CD
12787	1383	19	grams	gram	NNS
12787	1383	20	of	of	IN
12787	1383	21	potassium	potassium	NN
12787	1383	22	thiocyanate	thiocyanate	NN
12787	1383	23	,	,	,
12787	1383	24	or	or	CC
12787	1383	25	4	4	CD
12787	1383	26	grams	gram	NNS
12787	1383	27	of	of	IN
12787	1383	28	ammonium	ammonium	NN
12787	1383	29	thiocyanate	thiocyanate	NN
12787	1383	30	,	,	,
12787	1383	31	in	in	IN
12787	1383	32	a	a	DT
12787	1383	33	small	small	JJ
12787	1383	34	amount	amount	NN
12787	1383	35	of	of	IN
12787	1383	36	water	water	NN
12787	1383	37	;	;	:
12787	1383	38	dilute	dilute	VB
12787	1383	39	this	this	DT
12787	1383	40	solution	solution	NN
12787	1383	41	to	to	IN
12787	1383	42	1000	1000	CD
12787	1383	43	cc	cc	NNP
12787	1383	44	.	.	.
12787	1384	1	in	in	IN
12787	1384	2	a	a	DT
12787	1384	3	liter	liter	NN
12787	1384	4	bottle	bottle	NN
12787	1384	5	and	and	CC
12787	1384	6	mix	mix	VB
12787	1384	7	as	as	RB
12787	1384	8	usual	usual	JJ
12787	1384	9	.	.	.
12787	1385	1	Prepare	prepare	VB
12787	1385	2	20	20	CD
12787	1385	3	cc	cc	NN
12787	1385	4	.	.	.
12787	1386	1	of	of	IN
12787	1386	2	a	a	DT
12787	1386	3	saturated	saturate	VBN
12787	1386	4	solution	solution	NN
12787	1386	5	of	of	IN
12787	1386	6	ferric	ferric	JJ
12787	1386	7	alum	alum	NN
12787	1386	8	and	and	CC
12787	1386	9	add	add	VB
12787	1386	10	5	5	CD
12787	1386	11	cc	cc	NN
12787	1386	12	.	.	.
12787	1387	1	of	of	IN
12787	1387	2	dilute	dilute	NNP
12787	1387	3	nitric	nitric	NNP
12787	1387	4	acid	acid	NNP
12787	1387	5	(	(	-LRB-
12787	1387	6	sp	sp	NNP
12787	1387	7	.	.	.
12787	1388	1	gr	gr	NNP
12787	1388	2	.	.	.
12787	1389	1	1.20	1.20	LS
12787	1389	2	)	)	-RRB-
12787	1389	3	.	.	.
12787	1390	1	About	about	RB
12787	1390	2	5	5	CD
12787	1390	3	cc	cc	NN
12787	1390	4	.	.	.
12787	1391	1	of	of	IN
12787	1391	2	this	this	DT
12787	1391	3	solution	solution	NN
12787	1391	4	should	should	MD
12787	1391	5	be	be	VB
12787	1391	6	used	use	VBN
12787	1391	7	as	as	IN
12787	1391	8	an	an	DT
12787	1391	9	indicator	indicator	NN
12787	1391	10	.	.	.
12787	1392	1	STANDARDIZATION	STANDARDIZATION	VBN
12787	1392	2	PROCEDURE.--Crush	PROCEDURE.--Crush	NNP
12787	1392	3	a	a	DT
12787	1392	4	small	small	JJ
12787	1392	5	quantity	quantity	NN
12787	1392	6	of	of	IN
12787	1392	7	silver	silver	NN
12787	1392	8	nitrate	nitrate	JJ
12787	1392	9	crystals	crystal	NNS
12787	1392	10	in	in	IN
12787	1392	11	a	a	DT
12787	1392	12	mortar	mortar	NN
12787	1392	13	(	(	-LRB-
12787	1392	14	Note	note	NN
12787	1392	15	1	1	CD
12787	1392	16	)	)	-RRB-
12787	1392	17	.	.	.
12787	1393	1	Transfer	transfer	VB
12787	1393	2	them	-PRON-	PRP
12787	1393	3	to	to	IN
12787	1393	4	a	a	DT
12787	1393	5	watch	watch	NN
12787	1393	6	-	-	HYPH
12787	1393	7	glass	glass	NN
12787	1393	8	and	and	CC
12787	1393	9	dry	dry	VB
12787	1393	10	them	-PRON-	PRP
12787	1393	11	for	for	IN
12787	1393	12	an	an	DT
12787	1393	13	hour	hour	NN
12787	1393	14	at	at	IN
12787	1393	15	110Â	110Â	NNP
12787	1393	16	°	°	NNP
12787	1393	17	C	C	NNP
12787	1393	18	.	.	NNP
12787	1393	19	,	,	,
12787	1393	20	protecting	protect	VBG
12787	1393	21	them	-PRON-	PRP
12787	1393	22	from	from	IN
12787	1393	23	dust	dust	NN
12787	1393	24	or	or	CC
12787	1393	25	other	other	JJ
12787	1393	26	organic	organic	JJ
12787	1393	27	matter	matter	NN
12787	1393	28	(	(	-LRB-
12787	1393	29	Note	note	NN
12787	1393	30	2	2	CD
12787	1393	31	)	)	-RRB-
12787	1393	32	.	.	.
12787	1394	1	Weigh	weigh	VB
12787	1394	2	out	out	RP
12787	1394	3	two	two	CD
12787	1394	4	portions	portion	NNS
12787	1394	5	of	of	IN
12787	1394	6	about	about	RB
12787	1394	7	0.5	0.5	CD
12787	1394	8	gram	gram	NN
12787	1394	9	each	each	DT
12787	1394	10	and	and	CC
12787	1394	11	dissolve	dissolve	VB
12787	1394	12	them	-PRON-	PRP
12787	1394	13	in	in	IN
12787	1394	14	50	50	CD
12787	1394	15	cc	cc	NN
12787	1394	16	.	.	.
12787	1395	1	of	of	IN
12787	1395	2	water	water	NN
12787	1395	3	.	.	.
12787	1396	1	Add	add	VB
12787	1396	2	10	10	CD
12787	1396	3	cc	cc	NN
12787	1396	4	.	.	.
12787	1397	1	of	of	IN
12787	1397	2	dilute	dilute	NNP
12787	1397	3	nitric	nitric	NNP
12787	1397	4	acid	acid	NN
12787	1397	5	which	which	WDT
12787	1397	6	has	have	VBZ
12787	1397	7	been	be	VBN
12787	1397	8	recently	recently	RB
12787	1397	9	boiled	boil	VBN
12787	1397	10	to	to	TO
12787	1397	11	expel	expel	VB
12787	1397	12	the	the	DT
12787	1397	13	lower	low	JJR
12787	1397	14	oxides	oxide	NNS
12787	1397	15	of	of	IN
12787	1397	16	nitrogen	nitrogen	NN
12787	1397	17	,	,	,
12787	1397	18	if	if	IN
12787	1397	19	any	any	DT
12787	1397	20	,	,	,
12787	1397	21	and	and	CC
12787	1397	22	then	then	RB
12787	1397	23	add	add	VB
12787	1397	24	5	5	CD
12787	1397	25	cc	cc	NN
12787	1397	26	.	.	.
12787	1398	1	of	of	IN
12787	1398	2	the	the	DT
12787	1398	3	indicator	indicator	NN
12787	1398	4	solution	solution	NN
12787	1398	5	.	.	.
12787	1399	1	Run	run	VB
12787	1399	2	in	in	IN
12787	1399	3	the	the	DT
12787	1399	4	thiocyanate	thiocyanate	NN
12787	1399	5	solution	solution	NN
12787	1399	6	from	from	IN
12787	1399	7	a	a	DT
12787	1399	8	burette	burette	NN
12787	1399	9	,	,	,
12787	1399	10	with	with	IN
12787	1399	11	constant	constant	JJ
12787	1399	12	stirring	stirring	NN
12787	1399	13	,	,	,
12787	1399	14	allowing	allow	VBG
12787	1399	15	the	the	DT
12787	1399	16	precipitate	precipitate	NN
12787	1399	17	to	to	TO
12787	1399	18	settle	settle	VB
12787	1399	19	occasionally	occasionally	RB
12787	1399	20	to	to	TO
12787	1399	21	obtain	obtain	VB
12787	1399	22	an	an	DT
12787	1399	23	exact	exact	JJ
12787	1399	24	recognition	recognition	NN
12787	1399	25	of	of	IN
12787	1399	26	the	the	DT
12787	1399	27	end	end	NN
12787	1399	28	-	-	HYPH
12787	1399	29	point	point	NN
12787	1399	30	,	,	,
12787	1399	31	until	until	IN
12787	1399	32	a	a	DT
12787	1399	33	faint	faint	JJ
12787	1399	34	red	red	JJ
12787	1399	35	tinge	tinge	NN
12787	1399	36	can	can	MD
12787	1399	37	be	be	VB
12787	1399	38	detected	detect	VBN
12787	1399	39	in	in	IN
12787	1399	40	the	the	DT
12787	1399	41	solution	solution	NN
12787	1399	42	.	.	.
12787	1400	1	From	from	IN
12787	1400	2	the	the	DT
12787	1400	3	data	datum	NNS
12787	1400	4	obtained	obtain	VBN
12787	1400	5	,	,	,
12787	1400	6	calculate	calculate	VB
12787	1400	7	the	the	DT
12787	1400	8	relation	relation	NN
12787	1400	9	of	of	IN
12787	1400	10	the	the	DT
12787	1400	11	thiocyanate	thiocyanate	NN
12787	1400	12	solution	solution	NN
12787	1400	13	to	to	IN
12787	1400	14	the	the	DT
12787	1400	15	normal	normal	JJ
12787	1400	16	.	.	.
12787	1401	1	[	[	-LRB-
12787	1401	2	Note	note	NN
12787	1401	3	1	1	CD
12787	1401	4	:	:	:
12787	1401	5	The	the	DT
12787	1401	6	thiocyanate	thiocyanate	NN
12787	1401	7	can	can	MD
12787	1401	8	not	not	RB
12787	1401	9	be	be	VB
12787	1401	10	accurately	accurately	RB
12787	1401	11	weighed	weigh	VBN
12787	1401	12	;	;	:
12787	1401	13	its	-PRON-	PRP$
12787	1401	14	solutions	solution	NNS
12787	1401	15	must	must	MD
12787	1401	16	,	,	,
12787	1401	17	therefore	therefore	RB
12787	1401	18	,	,	,
12787	1401	19	be	be	VB
12787	1401	20	standardized	standardize	VBN
12787	1401	21	against	against	IN
12787	1401	22	silver	silver	NN
12787	1401	23	nitrate	nitrate	JJ
12787	1401	24	(	(	-LRB-
12787	1401	25	or	or	CC
12787	1401	26	pure	pure	JJ
12787	1401	27	silver	silver	NN
12787	1401	28	)	)	-RRB-
12787	1401	29	,	,	,
12787	1401	30	either	either	CC
12787	1401	31	in	in	IN
12787	1401	32	the	the	DT
12787	1401	33	form	form	NN
12787	1401	34	of	of	IN
12787	1401	35	a	a	DT
12787	1401	36	standard	standard	JJ
12787	1401	37	solution	solution	NN
12787	1401	38	or	or	CC
12787	1401	39	in	in	IN
12787	1401	40	small	small	JJ
12787	1401	41	,	,	,
12787	1401	42	weighed	weigh	VBD
12787	1401	43	portions	portion	NNS
12787	1401	44	.	.	.
12787	1401	45	]	]	-RRB-
12787	1402	1	[	[	-LRB-
12787	1402	2	Note	note	NN
12787	1402	3	2	2	CD
12787	1402	4	:	:	:
12787	1402	5	The	the	DT
12787	1402	6	crystals	crystal	NNS
12787	1402	7	of	of	IN
12787	1402	8	silver	silver	NN
12787	1402	9	nitrate	nitrate	NNP
12787	1402	10	sometimes	sometimes	RB
12787	1402	11	inclose	inclose	VB
12787	1402	12	water	water	NN
12787	1402	13	which	which	WDT
12787	1402	14	is	be	VBZ
12787	1402	15	expelled	expel	VBN
12787	1402	16	on	on	IN
12787	1402	17	drying	drying	NN
12787	1402	18	.	.	.
12787	1403	1	If	if	IN
12787	1403	2	the	the	DT
12787	1403	3	nitrate	nitrate	NN
12787	1403	4	has	have	VBZ
12787	1403	5	come	come	VBN
12787	1403	6	into	into	IN
12787	1403	7	contact	contact	NN
12787	1403	8	with	with	IN
12787	1403	9	organic	organic	JJ
12787	1403	10	bodies	body	NNS
12787	1403	11	it	-PRON-	PRP
12787	1403	12	suffers	suffer	VBZ
12787	1403	13	a	a	DT
12787	1403	14	reduction	reduction	NN
12787	1403	15	and	and	CC
12787	1403	16	blackens	blacken	NNS
12787	1403	17	during	during	IN
12787	1403	18	the	the	DT
12787	1403	19	heating	heating	NN
12787	1403	20	.	.	.
12787	1404	1	It	-PRON-	PRP
12787	1404	2	is	be	VBZ
12787	1404	3	plain	plain	JJ
12787	1404	4	that	that	IN
12787	1404	5	a	a	DT
12787	1404	6	standard	standard	JJ
12787	1404	7	solution	solution	NN
12787	1404	8	of	of	IN
12787	1404	9	silver	silver	NN
12787	1404	10	nitrate	nitrate	JJ
12787	1404	11	(	(	-LRB-
12787	1404	12	made	make	VBN
12787	1404	13	by	by	IN
12787	1404	14	weighing	weigh	VBG
12787	1404	15	out	out	RP
12787	1404	16	the	the	DT
12787	1404	17	crystals	crystal	NNS
12787	1404	18	)	)	-RRB-
12787	1404	19	is	be	VBZ
12787	1404	20	convenient	convenient	JJ
12787	1404	21	or	or	CC
12787	1404	22	necessary	necessary	JJ
12787	1404	23	if	if	IN
12787	1404	24	many	many	JJ
12787	1404	25	titrations	titration	NNS
12787	1404	26	of	of	IN
12787	1404	27	this	this	DT
12787	1404	28	nature	nature	NN
12787	1404	29	are	be	VBP
12787	1404	30	to	to	TO
12787	1404	31	be	be	VB
12787	1404	32	made	make	VBN
12787	1404	33	.	.	.
12787	1405	1	In	in	IN
12787	1405	2	the	the	DT
12787	1405	3	absence	absence	NN
12787	1405	4	of	of	IN
12787	1405	5	such	such	PDT
12787	1405	6	a	a	DT
12787	1405	7	solution	solution	NN
12787	1405	8	the	the	DT
12787	1405	9	liability	liability	NN
12787	1405	10	of	of	IN
12787	1405	11	passing	pass	VBG
12787	1405	12	the	the	DT
12787	1405	13	end	end	NN
12787	1405	14	-	-	HYPH
12787	1405	15	point	point	NN
12787	1405	16	is	be	VBZ
12787	1405	17	lessened	lessen	VBN
12787	1405	18	by	by	IN
12787	1405	19	setting	set	VBG
12787	1405	20	aside	aside	RP
12787	1405	21	a	a	DT
12787	1405	22	small	small	JJ
12787	1405	23	fraction	fraction	NN
12787	1405	24	of	of	IN
12787	1405	25	the	the	DT
12787	1405	26	silver	silver	NN
12787	1405	27	solution	solution	NN
12787	1405	28	,	,	,
12787	1405	29	to	to	TO
12787	1405	30	be	be	VB
12787	1405	31	added	add	VBN
12787	1405	32	near	near	IN
12787	1405	33	the	the	DT
12787	1405	34	close	close	NN
12787	1405	35	of	of	IN
12787	1405	36	the	the	DT
12787	1405	37	titration	titration	NN
12787	1405	38	.	.	.
12787	1405	39	]	]	-RRB-
12787	1406	1	DETERMINATION	determination	NN
12787	1406	2	OF	of	IN
12787	1406	3	SILVER	silver	NN
12787	1406	4	IN	in	IN
12787	1406	5	COIN	COIN	NNP
12787	1406	6	PROCEDURE.--	procedure.--	CD
12787	1406	7	Weigh	weigh	VB
12787	1406	8	out	out	RP
12787	1406	9	two	two	CD
12787	1406	10	portions	portion	NNS
12787	1406	11	of	of	IN
12787	1406	12	the	the	DT
12787	1406	13	coin	coin	NN
12787	1406	14	of	of	IN
12787	1406	15	about	about	RB
12787	1406	16	0.5	0.5	CD
12787	1406	17	gram	gram	NN
12787	1406	18	each	each	DT
12787	1406	19	.	.	.
12787	1407	1	Dissolve	dissolve	VB
12787	1407	2	them	-PRON-	PRP
12787	1407	3	in	in	IN
12787	1407	4	15	15	CD
12787	1407	5	cc	cc	NN
12787	1407	6	.	.	.
12787	1408	1	of	of	IN
12787	1408	2	dilute	dilute	NNP
12787	1408	3	nitric	nitric	NNP
12787	1408	4	acid	acid	NNP
12787	1408	5	(	(	-LRB-
12787	1408	6	sp	sp	NNP
12787	1408	7	.	.	.
12787	1409	1	gr	gr	NNP
12787	1409	2	.	.	.
12787	1410	1	1.2	1.2	LS
12787	1410	2	)	)	-RRB-
12787	1410	3	and	and	CC
12787	1410	4	boil	boil	VB
12787	1410	5	until	until	IN
12787	1410	6	all	all	PDT
12787	1410	7	the	the	DT
12787	1410	8	nitrous	nitrous	JJ
12787	1410	9	compounds	compound	NNS
12787	1410	10	are	be	VBP
12787	1410	11	expelled	expel	VBN
12787	1410	12	(	(	-LRB-
12787	1410	13	Note	note	NN
12787	1410	14	1	1	CD
12787	1410	15	)	)	-RRB-
12787	1410	16	.	.	.
12787	1411	1	Cool	cool	VB
12787	1411	2	the	the	DT
12787	1411	3	solution	solution	NN
12787	1411	4	,	,	,
12787	1411	5	dilute	dilute	NN
12787	1411	6	to	to	IN
12787	1411	7	50	50	CD
12787	1411	8	cc	cc	NNP
12787	1411	9	.	.	NNP
12787	1411	10	,	,	,
12787	1411	11	and	and	CC
12787	1411	12	add	add	VB
12787	1411	13	5	5	CD
12787	1411	14	cc	cc	NN
12787	1411	15	.	.	.
12787	1412	1	of	of	IN
12787	1412	2	the	the	DT
12787	1412	3	indicator	indicator	NN
12787	1412	4	solution	solution	NN
12787	1412	5	,	,	,
12787	1412	6	and	and	CC
12787	1412	7	titrate	titrate	VB
12787	1412	8	with	with	IN
12787	1412	9	the	the	DT
12787	1412	10	thiocyanate	thiocyanate	NN
12787	1412	11	to	to	IN
12787	1412	12	the	the	DT
12787	1412	13	appearance	appearance	NN
12787	1412	14	of	of	IN
12787	1412	15	the	the	DT
12787	1412	16	faint	faint	JJ
12787	1412	17	red	red	JJ
12787	1412	18	coloration	coloration	NN
12787	1412	19	(	(	-LRB-
12787	1412	20	Note	note	NN
12787	1412	21	2	2	CD
12787	1412	22	)	)	-RRB-
12787	1412	23	.	.	.
12787	1413	1	From	from	IN
12787	1413	2	the	the	DT
12787	1413	3	corrected	correct	VBN
12787	1413	4	volume	volume	NN
12787	1413	5	of	of	IN
12787	1413	6	the	the	DT
12787	1413	7	thiocyanate	thiocyanate	NN
12787	1413	8	solution	solution	NN
12787	1413	9	required	require	VBN
12787	1413	10	,	,	,
12787	1413	11	calculate	calculate	VBP
12787	1413	12	the	the	DT
12787	1413	13	percentage	percentage	NN
12787	1413	14	of	of	IN
12787	1413	15	silver	silver	NN
12787	1413	16	in	in	IN
12787	1413	17	the	the	DT
12787	1413	18	coin	coin	NN
12787	1413	19	.	.	.
12787	1414	1	[	[	-LRB-
12787	1414	2	Note	note	NN
12787	1414	3	1	1	CD
12787	1414	4	:	:	:
12787	1414	5	The	the	DT
12787	1414	6	reaction	reaction	NN
12787	1414	7	with	with	IN
12787	1414	8	silver	silver	NN
12787	1414	9	may	may	MD
12787	1414	10	be	be	VB
12787	1414	11	carried	carry	VBN
12787	1414	12	out	out	RP
12787	1414	13	in	in	IN
12787	1414	14	nitric	nitric	JJ
12787	1414	15	acid	acid	JJ
12787	1414	16	solutions	solution	NNS
12787	1414	17	and	and	CC
12787	1414	18	in	in	IN
12787	1414	19	the	the	DT
12787	1414	20	presence	presence	NN
12787	1414	21	of	of	IN
12787	1414	22	copper	copper	NN
12787	1414	23	,	,	,
12787	1414	24	if	if	IN
12787	1414	25	the	the	DT
12787	1414	26	latter	latter	NN
12787	1414	27	does	do	VBZ
12787	1414	28	not	not	RB
12787	1414	29	exceed	exceed	VB
12787	1414	30	70	70	CD
12787	1414	31	per	per	NN
12787	1414	32	cent	cent	NN
12787	1414	33	.	.	.
12787	1415	1	Above	above	IN
12787	1415	2	that	that	DT
12787	1415	3	percentage	percentage	NN
12787	1415	4	it	-PRON-	PRP
12787	1415	5	is	be	VBZ
12787	1415	6	necessary	necessary	JJ
12787	1415	7	to	to	TO
12787	1415	8	add	add	VB
12787	1415	9	silver	silver	NN
12787	1415	10	in	in	IN
12787	1415	11	known	know	VBN
12787	1415	12	quantity	quantity	NN
12787	1415	13	to	to	IN
12787	1415	14	the	the	DT
12787	1415	15	solution	solution	NN
12787	1415	16	.	.	.
12787	1416	1	The	the	DT
12787	1416	2	liquid	liquid	NN
12787	1416	3	must	must	MD
12787	1416	4	be	be	VB
12787	1416	5	cold	cold	JJ
12787	1416	6	at	at	IN
12787	1416	7	the	the	DT
12787	1416	8	time	time	NN
12787	1416	9	of	of	IN
12787	1416	10	titration	titration	NN
12787	1416	11	and	and	CC
12787	1416	12	entirely	entirely	RB
12787	1416	13	free	free	JJ
12787	1416	14	from	from	IN
12787	1416	15	nitrous	nitrous	JJ
12787	1416	16	compounds	compound	NNS
12787	1416	17	,	,	,
12787	1416	18	as	as	IN
12787	1416	19	these	these	DT
12787	1416	20	sometimes	sometimes	RB
12787	1416	21	cause	cause	VBP
12787	1416	22	a	a	DT
12787	1416	23	reddening	reddening	NN
12787	1416	24	of	of	IN
12787	1416	25	the	the	DT
12787	1416	26	indicator	indicator	NN
12787	1416	27	solution	solution	NN
12787	1416	28	.	.	.
12787	1417	1	All	all	DT
12787	1417	2	utensils	utensil	NNS
12787	1417	3	,	,	,
12787	1417	4	distilled	distilled	JJ
12787	1417	5	water	water	NN
12787	1417	6	,	,	,
12787	1417	7	the	the	DT
12787	1417	8	nitric	nitric	JJ
12787	1417	9	acid	acid	NN
12787	1417	10	and	and	CC
12787	1417	11	the	the	DT
12787	1417	12	beakers	beaker	NNS
12787	1417	13	must	must	MD
12787	1417	14	be	be	VB
12787	1417	15	free	free	JJ
12787	1417	16	from	from	IN
12787	1417	17	chlorides	chloride	NNS
12787	1417	18	,	,	,
12787	1417	19	as	as	IN
12787	1417	20	the	the	DT
12787	1417	21	presence	presence	NN
12787	1417	22	of	of	IN
12787	1417	23	these	these	DT
12787	1417	24	will	will	MD
12787	1417	25	cause	cause	VB
12787	1417	26	precipitation	precipitation	NN
12787	1417	27	of	of	IN
12787	1417	28	silver	silver	NN
12787	1417	29	chloride	chloride	NN
12787	1417	30	,	,	,
12787	1417	31	thereby	thereby	RB
12787	1417	32	introducing	introduce	VBG
12787	1417	33	an	an	DT
12787	1417	34	error	error	NN
12787	1417	35	.	.	.
12787	1417	36	]	]	-RRB-
12787	1418	1	[	[	-LRB-
12787	1418	2	Note	note	NN
12787	1418	3	2	2	CD
12787	1418	4	:	:	:
12787	1418	5	The	the	DT
12787	1418	6	solution	solution	NN
12787	1418	7	containing	contain	VBG
12787	1418	8	the	the	DT
12787	1418	9	silver	silver	NN
12787	1418	10	precipitate	precipitate	NN
12787	1418	11	,	,	,
12787	1418	12	as	as	RB
12787	1418	13	well	well	RB
12787	1418	14	as	as	IN
12787	1418	15	those	those	DT
12787	1418	16	from	from	IN
12787	1418	17	the	the	DT
12787	1418	18	standardization	standardization	NN
12787	1418	19	,	,	,
12787	1418	20	should	should	MD
12787	1418	21	be	be	VB
12787	1418	22	placed	place	VBN
12787	1418	23	in	in	IN
12787	1418	24	the	the	DT
12787	1418	25	receptacle	receptacle	NN
12787	1418	26	for	for	IN
12787	1418	27	"	"	``
12787	1418	28	silver	silver	NN
12787	1418	29	residues	residue	NNS
12787	1418	30	"	"	''
12787	1418	31	as	as	IN
12787	1418	32	a	a	DT
12787	1418	33	matter	matter	NN
12787	1418	34	of	of	IN
12787	1418	35	economy	economy	NN
12787	1418	36	.	.	.
12787	1418	37	]	]	-RRB-
12787	1419	1	PART	PART	NNP
12787	1419	2	III	iii	CD
12787	1419	3	GRAVIMETRIC	GRAVIMETRIC	NNS
12787	1419	4	ANALYSIS	analysis	FW
12787	1419	5	GENERAL	GENERAL	NNP
12787	1419	6	DIRECTIONS	DIRECTIONS	NNP
12787	1419	7	Gravimetric	Gravimetric	NNP
12787	1419	8	analyses	analysis	NNS
12787	1419	9	involve	involve	VBP
12787	1419	10	the	the	DT
12787	1419	11	following	follow	VBG
12787	1419	12	principal	principal	JJ
12787	1419	13	steps	step	NNS
12787	1419	14	:	:	:
12787	1419	15	first	first	RB
12787	1419	16	,	,	,
12787	1419	17	the	the	DT
12787	1419	18	weighing	weighing	NN
12787	1419	19	of	of	IN
12787	1419	20	the	the	DT
12787	1419	21	sample	sample	NN
12787	1419	22	;	;	:
12787	1419	23	second	second	LS
12787	1419	24	,	,	,
12787	1419	25	the	the	DT
12787	1419	26	solution	solution	NN
12787	1419	27	of	of	IN
12787	1419	28	the	the	DT
12787	1419	29	sample	sample	NN
12787	1419	30	;	;	:
12787	1419	31	third	third	LS
12787	1419	32	,	,	,
12787	1419	33	the	the	DT
12787	1419	34	separation	separation	NN
12787	1419	35	of	of	IN
12787	1419	36	some	some	DT
12787	1419	37	substance	substance	NN
12787	1419	38	from	from	IN
12787	1419	39	solution	solution	NN
12787	1419	40	containing	containing	NN
12787	1419	41	,	,	,
12787	1419	42	or	or	CC
12787	1419	43	bearing	bear	VBG
12787	1419	44	a	a	DT
12787	1419	45	definite	definite	JJ
12787	1419	46	relation	relation	NN
12787	1419	47	to	to	IN
12787	1419	48	,	,	,
12787	1419	49	the	the	DT
12787	1419	50	constituent	constituent	NN
12787	1419	51	to	to	TO
12787	1419	52	be	be	VB
12787	1419	53	measured	measure	VBN
12787	1419	54	,	,	,
12787	1419	55	under	under	IN
12787	1419	56	conditions	condition	NNS
12787	1419	57	which	which	WDT
12787	1419	58	render	render	VBP
12787	1419	59	this	this	DT
12787	1419	60	separation	separation	NN
12787	1419	61	as	as	RB
12787	1419	62	complete	complete	JJ
12787	1419	63	as	as	IN
12787	1419	64	possible	possible	JJ
12787	1419	65	;	;	:
12787	1419	66	and	and	CC
12787	1419	67	finally	finally	RB
12787	1419	68	,	,	,
12787	1419	69	the	the	DT
12787	1419	70	segregation	segregation	NN
12787	1419	71	of	of	IN
12787	1419	72	that	that	DT
12787	1419	73	substance	substance	NN
12787	1419	74	,	,	,
12787	1419	75	commonly	commonly	RB
12787	1419	76	by	by	IN
12787	1419	77	filtration	filtration	NN
12787	1419	78	,	,	,
12787	1419	79	and	and	CC
12787	1419	80	the	the	DT
12787	1419	81	determination	determination	NN
12787	1419	82	of	of	IN
12787	1419	83	its	-PRON-	PRP$
12787	1419	84	weight	weight	NN
12787	1419	85	,	,	,
12787	1419	86	or	or	CC
12787	1419	87	that	that	DT
12787	1419	88	of	of	IN
12787	1419	89	some	some	DT
12787	1419	90	stable	stable	JJ
12787	1419	91	product	product	NN
12787	1419	92	formed	form	VBN
12787	1419	93	from	from	IN
12787	1419	94	it	-PRON-	PRP
12787	1419	95	on	on	IN
12787	1419	96	ignition	ignition	NN
12787	1419	97	.	.	.
12787	1420	1	For	for	IN
12787	1420	2	example	example	NN
12787	1420	3	,	,	,
12787	1420	4	the	the	DT
12787	1420	5	gravimetric	gravimetric	JJ
12787	1420	6	determination	determination	NN
12787	1420	7	of	of	IN
12787	1420	8	aluminium	aluminium	NN
12787	1420	9	is	be	VBZ
12787	1420	10	accomplished	accomplish	VBN
12787	1420	11	by	by	IN
12787	1420	12	solution	solution	NN
12787	1420	13	of	of	IN
12787	1420	14	the	the	DT
12787	1420	15	sample	sample	NN
12787	1420	16	,	,	,
12787	1420	17	by	by	IN
12787	1420	18	precipitation	precipitation	NN
12787	1420	19	in	in	IN
12787	1420	20	the	the	DT
12787	1420	21	form	form	NN
12787	1420	22	of	of	IN
12787	1420	23	hydroxide	hydroxide	NN
12787	1420	24	,	,	,
12787	1420	25	collection	collection	NN
12787	1420	26	of	of	IN
12787	1420	27	the	the	DT
12787	1420	28	hydroxide	hydroxide	NN
12787	1420	29	upon	upon	IN
12787	1420	30	a	a	DT
12787	1420	31	filter	filter	NN
12787	1420	32	,	,	,
12787	1420	33	complete	complete	JJ
12787	1420	34	removal	removal	NN
12787	1420	35	by	by	IN
12787	1420	36	washing	wash	VBG
12787	1420	37	of	of	IN
12787	1420	38	all	all	DT
12787	1420	39	foreign	foreign	JJ
12787	1420	40	soluble	soluble	JJ
12787	1420	41	matter	matter	NN
12787	1420	42	,	,	,
12787	1420	43	and	and	CC
12787	1420	44	the	the	DT
12787	1420	45	burning	burning	NN
12787	1420	46	of	of	IN
12787	1420	47	the	the	DT
12787	1420	48	filter	filter	NN
12787	1420	49	and	and	CC
12787	1420	50	ignition	ignition	NN
12787	1420	51	of	of	IN
12787	1420	52	the	the	DT
12787	1420	53	precipitate	precipitate	NN
12787	1420	54	to	to	IN
12787	1420	55	aluminium	aluminium	NN
12787	1420	56	oxide	oxide	NN
12787	1420	57	,	,	,
12787	1420	58	in	in	IN
12787	1420	59	which	which	WDT
12787	1420	60	condition	condition	NN
12787	1420	61	it	-PRON-	PRP
12787	1420	62	is	be	VBZ
12787	1420	63	weighed	weigh	VBN
12787	1420	64	.	.	.
12787	1421	1	Among	among	IN
12787	1421	2	the	the	DT
12787	1421	3	operations	operation	NNS
12787	1421	4	which	which	WDT
12787	1421	5	are	be	VBP
12787	1421	6	common	common	JJ
12787	1421	7	to	to	IN
12787	1421	8	nearly	nearly	RB
12787	1421	9	all	all	DT
12787	1421	10	gravimetric	gravimetric	NN
12787	1421	11	analyses	analysis	NNS
12787	1421	12	are	be	VBP
12787	1421	13	precipitation	precipitation	NN
12787	1421	14	,	,	,
12787	1421	15	washing	wash	VBG
12787	1421	16	of	of	IN
12787	1421	17	precipitates	precipitate	NNS
12787	1421	18	,	,	,
12787	1421	19	ignition	ignition	NN
12787	1421	20	of	of	IN
12787	1421	21	precipitates	precipitate	NNS
12787	1421	22	,	,	,
12787	1421	23	and	and	CC
12787	1421	24	the	the	DT
12787	1421	25	use	use	NN
12787	1421	26	of	of	IN
12787	1421	27	desiccators	desiccator	NNS
12787	1421	28	.	.	.
12787	1422	1	In	in	IN
12787	1422	2	order	order	NN
12787	1422	3	to	to	TO
12787	1422	4	avoid	avoid	VB
12787	1422	5	burdensome	burdensome	JJ
12787	1422	6	repetitions	repetition	NNS
12787	1422	7	in	in	IN
12787	1422	8	the	the	DT
12787	1422	9	descriptions	description	NNS
12787	1422	10	of	of	IN
12787	1422	11	the	the	DT
12787	1422	12	various	various	JJ
12787	1422	13	gravimetric	gravimetric	NN
12787	1422	14	procedures	procedure	NNS
12787	1422	15	which	which	WDT
12787	1422	16	follow	follow	VBP
12787	1422	17	,	,	,
12787	1422	18	certain	certain	JJ
12787	1422	19	general	general	JJ
12787	1422	20	instructions	instruction	NNS
12787	1422	21	are	be	VBP
12787	1422	22	introduced	introduce	VBN
12787	1422	23	at	at	IN
12787	1422	24	this	this	DT
12787	1422	25	point	point	NN
12787	1422	26	.	.	.
12787	1423	1	These	these	DT
12787	1423	2	instructions	instruction	NNS
12787	1423	3	must	must	MD
12787	1423	4	,	,	,
12787	1423	5	therefore	therefore	RB
12787	1423	6	,	,	,
12787	1423	7	be	be	VB
12787	1423	8	considered	consider	VBN
12787	1423	9	to	to	TO
12787	1423	10	be	be	VB
12787	1423	11	as	as	RB
12787	1423	12	much	much	JJ
12787	1423	13	a	a	DT
12787	1423	14	part	part	NN
12787	1423	15	of	of	IN
12787	1423	16	all	all	DT
12787	1423	17	subsequent	subsequent	JJ
12787	1423	18	procedures	procedure	NNS
12787	1423	19	as	as	IN
12787	1423	20	the	the	DT
12787	1423	21	description	description	NN
12787	1423	22	of	of	IN
12787	1423	23	apparatus	apparatus	NN
12787	1423	24	,	,	,
12787	1423	25	reagents	reagent	NNS
12787	1423	26	,	,	,
12787	1423	27	or	or	CC
12787	1423	28	manipulations	manipulation	NNS
12787	1423	29	.	.	.
12787	1424	1	The	the	DT
12787	1424	2	analytical	analytical	JJ
12787	1424	3	balance	balance	NN
12787	1424	4	,	,	,
12787	1424	5	the	the	DT
12787	1424	6	fundamentally	fundamentally	RB
12787	1424	7	important	important	JJ
12787	1424	8	instrument	instrument	NN
12787	1424	9	in	in	IN
12787	1424	10	gravimetric	gravimetric	NN
12787	1424	11	analysis	analysis	NN
12787	1424	12	,	,	,
12787	1424	13	has	have	VBZ
12787	1424	14	already	already	RB
12787	1424	15	been	be	VBN
12787	1424	16	described	describe	VBN
12787	1424	17	on	on	IN
12787	1424	18	pages	page	NNS
12787	1424	19	11	11	CD
12787	1424	20	to	to	IN
12787	1424	21	15	15	CD
12787	1424	22	.	.	.
12787	1425	1	PRECIPITATION	precipitation	NN
12787	1425	2	For	for	IN
12787	1425	3	successful	successful	JJ
12787	1425	4	quantitative	quantitative	JJ
12787	1425	5	precipitations	precipitation	NNS
12787	1425	6	those	those	DT
12787	1425	7	substances	substance	NNS
12787	1425	8	are	be	VBP
12787	1425	9	selected	select	VBN
12787	1425	10	which	which	WDT
12787	1425	11	are	be	VBP
12787	1425	12	least	least	JJS
12787	1425	13	soluble	soluble	JJ
12787	1425	14	under	under	IN
12787	1425	15	conditions	condition	NNS
12787	1425	16	which	which	WDT
12787	1425	17	can	can	MD
12787	1425	18	be	be	VB
12787	1425	19	easily	easily	RB
12787	1425	20	established	establish	VBN
12787	1425	21	,	,	,
12787	1425	22	and	and	CC
12787	1425	23	which	which	WDT
12787	1425	24	separate	separate	VBP
12787	1425	25	from	from	IN
12787	1425	26	solution	solution	NN
12787	1425	27	in	in	IN
12787	1425	28	such	such	PDT
12787	1425	29	a	a	DT
12787	1425	30	state	state	NN
12787	1425	31	that	that	WDT
12787	1425	32	they	-PRON-	PRP
12787	1425	33	can	can	MD
12787	1425	34	be	be	VB
12787	1425	35	filtered	filter	VBN
12787	1425	36	readily	readily	RB
12787	1425	37	and	and	CC
12787	1425	38	washed	wash	VBD
12787	1425	39	free	free	JJ
12787	1425	40	from	from	IN
12787	1425	41	admixed	admix	VBN
12787	1425	42	material	material	NN
12787	1425	43	.	.	.
12787	1426	1	In	in	IN
12787	1426	2	general	general	JJ
12787	1426	3	,	,	,
12787	1426	4	the	the	DT
12787	1426	5	substances	substance	NNS
12787	1426	6	selected	select	VBN
12787	1426	7	are	be	VBP
12787	1426	8	the	the	DT
12787	1426	9	same	same	JJ
12787	1426	10	as	as	IN
12787	1426	11	those	those	DT
12787	1426	12	already	already	RB
12787	1426	13	familiar	familiar	JJ
12787	1426	14	to	to	IN
12787	1426	15	the	the	DT
12787	1426	16	student	student	NN
12787	1426	17	of	of	IN
12787	1426	18	Qualitative	Qualitative	NNP
12787	1426	19	Analysis	Analysis	NNP
12787	1426	20	.	.	.
12787	1427	1	When	when	WRB
12787	1427	2	possible	possible	JJ
12787	1427	3	,	,	,
12787	1427	4	substances	substance	NNS
12787	1427	5	are	be	VBP
12787	1427	6	selected	select	VBN
12787	1427	7	which	which	WDT
12787	1427	8	separate	separate	VBP
12787	1427	9	in	in	IN
12787	1427	10	crystalline	crystalline	NN
12787	1427	11	form	form	NN
12787	1427	12	,	,	,
12787	1427	13	since	since	IN
12787	1427	14	such	such	JJ
12787	1427	15	substances	substance	NNS
12787	1427	16	are	be	VBP
12787	1427	17	less	less	RBR
12787	1427	18	likely	likely	JJ
12787	1427	19	to	to	TO
12787	1427	20	clog	clog	VB
12787	1427	21	the	the	DT
12787	1427	22	pores	pore	NNS
12787	1427	23	of	of	IN
12787	1427	24	filter	filter	NN
12787	1427	25	paper	paper	NN
12787	1427	26	and	and	CC
12787	1427	27	can	can	MD
12787	1427	28	be	be	VB
12787	1427	29	most	most	RBS
12787	1427	30	quickly	quickly	RB
12787	1427	31	washed	wash	VBN
12787	1427	32	.	.	.
12787	1428	1	In	in	IN
12787	1428	2	order	order	NN
12787	1428	3	to	to	TO
12787	1428	4	increase	increase	VB
12787	1428	5	the	the	DT
12787	1428	6	size	size	NN
12787	1428	7	of	of	IN
12787	1428	8	the	the	DT
12787	1428	9	crystals	crystal	NNS
12787	1428	10	,	,	,
12787	1428	11	which	which	WDT
12787	1428	12	further	further	RB
12787	1428	13	promotes	promote	VBZ
12787	1428	14	filtration	filtration	NN
12787	1428	15	and	and	CC
12787	1428	16	washing	washing	NN
12787	1428	17	,	,	,
12787	1428	18	it	-PRON-	PRP
12787	1428	19	is	be	VBZ
12787	1428	20	often	often	RB
12787	1428	21	desirable	desirable	JJ
12787	1428	22	to	to	TO
12787	1428	23	allow	allow	VB
12787	1428	24	a	a	DT
12787	1428	25	precipitate	precipitate	NN
12787	1428	26	to	to	TO
12787	1428	27	remain	remain	VB
12787	1428	28	for	for	IN
12787	1428	29	some	some	DT
12787	1428	30	time	time	NN
12787	1428	31	in	in	IN
12787	1428	32	contact	contact	NN
12787	1428	33	with	with	IN
12787	1428	34	the	the	DT
12787	1428	35	solution	solution	NN
12787	1428	36	from	from	IN
12787	1428	37	which	which	WDT
12787	1428	38	it	-PRON-	PRP
12787	1428	39	has	have	VBZ
12787	1428	40	separated	separate	VBN
12787	1428	41	.	.	.
12787	1429	1	The	the	DT
12787	1429	2	solution	solution	NN
12787	1429	3	is	be	VBZ
12787	1429	4	often	often	RB
12787	1429	5	kept	keep	VBN
12787	1429	6	warm	warm	JJ
12787	1429	7	during	during	IN
12787	1429	8	this	this	DT
12787	1429	9	period	period	NN
12787	1429	10	of	of	IN
12787	1429	11	"	"	``
12787	1429	12	digestion	digestion	NN
12787	1429	13	.	.	.
12787	1429	14	"	"	''
12787	1430	1	The	the	DT
12787	1430	2	small	small	JJ
12787	1430	3	crystals	crystal	NNS
12787	1430	4	gradually	gradually	RB
12787	1430	5	disappear	disappear	VBP
12787	1430	6	and	and	CC
12787	1430	7	the	the	DT
12787	1430	8	larger	large	JJR
12787	1430	9	crystals	crystal	NNS
12787	1430	10	increase	increase	VBP
12787	1430	11	in	in	IN
12787	1430	12	size	size	NN
12787	1430	13	,	,	,
12787	1430	14	probably	probably	RB
12787	1430	15	as	as	IN
12787	1430	16	the	the	DT
12787	1430	17	result	result	NN
12787	1430	18	of	of	IN
12787	1430	19	the	the	DT
12787	1430	20	force	force	NN
12787	1430	21	known	know	VBN
12787	1430	22	as	as	IN
12787	1430	23	surface	surface	NN
12787	1430	24	tension	tension	NN
12787	1430	25	,	,	,
12787	1430	26	which	which	WDT
12787	1430	27	tends	tend	VBZ
12787	1430	28	to	to	TO
12787	1430	29	reduce	reduce	VB
12787	1430	30	the	the	DT
12787	1430	31	surface	surface	NN
12787	1430	32	of	of	IN
12787	1430	33	a	a	DT
12787	1430	34	given	give	VBN
12787	1430	35	mass	mass	NN
12787	1430	36	of	of	IN
12787	1430	37	material	material	NN
12787	1430	38	to	to	IN
12787	1430	39	a	a	DT
12787	1430	40	minimum	minimum	NN
12787	1430	41	,	,	,
12787	1430	42	combined	combine	VBN
12787	1430	43	with	with	IN
12787	1430	44	a	a	DT
12787	1430	45	very	very	RB
12787	1430	46	slightly	slightly	RB
12787	1430	47	greater	great	JJR
12787	1430	48	solubility	solubility	NN
12787	1430	49	of	of	IN
12787	1430	50	small	small	JJ
12787	1430	51	crystals	crystal	NNS
12787	1430	52	as	as	IN
12787	1430	53	compared	compare	VBN
12787	1430	54	with	with	IN
12787	1430	55	the	the	DT
12787	1430	56	larger	large	JJR
12787	1430	57	ones	one	NNS
12787	1430	58	.	.	.
12787	1431	1	Amorphous	amorphous	JJ
12787	1431	2	substances	substance	NNS
12787	1431	3	,	,	,
12787	1431	4	such	such	JJ
12787	1431	5	as	as	IN
12787	1431	6	ferric	ferric	NNP
12787	1431	7	hydroxide	hydroxide	NNP
12787	1431	8	,	,	,
12787	1431	9	aluminium	aluminium	NN
12787	1431	10	hydroxide	hydroxide	NN
12787	1431	11	,	,	,
12787	1431	12	or	or	CC
12787	1431	13	silicic	silicic	NN
12787	1431	14	acid	acid	NN
12787	1431	15	,	,	,
12787	1431	16	separate	separate	JJ
12787	1431	17	in	in	IN
12787	1431	18	a	a	DT
12787	1431	19	gelatinous	gelatinous	JJ
12787	1431	20	form	form	NN
12787	1431	21	and	and	CC
12787	1431	22	are	be	VBP
12787	1431	23	relatively	relatively	RB
12787	1431	24	difficult	difficult	JJ
12787	1431	25	to	to	TO
12787	1431	26	filter	filter	VB
12787	1431	27	and	and	CC
12787	1431	28	wash	wash	VB
12787	1431	29	.	.	.
12787	1432	1	Substances	substance	NNS
12787	1432	2	of	of	IN
12787	1432	3	this	this	DT
12787	1432	4	class	class	NN
12787	1432	5	also	also	RB
12787	1432	6	exhibit	exhibit	VB
12787	1432	7	a	a	DT
12787	1432	8	tendency	tendency	NN
12787	1432	9	to	to	TO
12787	1432	10	form	form	VB
12787	1432	11	,	,	,
12787	1432	12	with	with	IN
12787	1432	13	pure	pure	JJ
12787	1432	14	water	water	NN
12787	1432	15	,	,	,
12787	1432	16	what	what	WP
12787	1432	17	are	be	VBP
12787	1432	18	known	know	VBN
12787	1432	19	as	as	IN
12787	1432	20	colloidal	colloidal	JJ
12787	1432	21	solutions	solution	NNS
12787	1432	22	.	.	.
12787	1433	1	To	to	TO
12787	1433	2	prevent	prevent	VB
12787	1433	3	this	this	DT
12787	1433	4	as	as	RB
12787	1433	5	far	far	RB
12787	1433	6	as	as	IN
12787	1433	7	possible	possible	JJ
12787	1433	8	,	,	,
12787	1433	9	they	-PRON-	PRP
12787	1433	10	are	be	VBP
12787	1433	11	washed	wash	VBN
12787	1433	12	with	with	IN
12787	1433	13	solutions	solution	NNS
12787	1433	14	of	of	IN
12787	1433	15	volatile	volatile	JJ
12787	1433	16	salts	salt	NNS
12787	1433	17	,	,	,
12787	1433	18	as	as	IN
12787	1433	19	will	will	MD
12787	1433	20	be	be	VB
12787	1433	21	described	describe	VBN
12787	1433	22	in	in	IN
12787	1433	23	some	some	DT
12787	1433	24	of	of	IN
12787	1433	25	the	the	DT
12787	1433	26	following	follow	VBG
12787	1433	27	procedures	procedure	NNS
12787	1433	28	.	.	.
12787	1434	1	In	in	IN
12787	1434	2	all	all	DT
12787	1434	3	precipitations	precipitation	NNS
12787	1434	4	the	the	DT
12787	1434	5	reagent	reagent	NN
12787	1434	6	should	should	MD
12787	1434	7	be	be	VB
12787	1434	8	added	add	VBN
12787	1434	9	slowly	slowly	RB
12787	1434	10	,	,	,
12787	1434	11	with	with	IN
12787	1434	12	constant	constant	JJ
12787	1434	13	stirring	stirring	NN
12787	1434	14	,	,	,
12787	1434	15	and	and	CC
12787	1434	16	should	should	MD
12787	1434	17	be	be	VB
12787	1434	18	hot	hot	JJ
12787	1434	19	when	when	WRB
12787	1434	20	circumstances	circumstance	NNS
12787	1434	21	permit	permit	VBP
12787	1434	22	.	.	.
12787	1435	1	The	the	DT
12787	1435	2	slow	slow	JJ
12787	1435	3	addition	addition	NN
12787	1435	4	is	be	VBZ
12787	1435	5	less	less	RBR
12787	1435	6	likely	likely	JJ
12787	1435	7	to	to	TO
12787	1435	8	occasion	occasion	VB
12787	1435	9	contamination	contamination	NN
12787	1435	10	of	of	IN
12787	1435	11	the	the	DT
12787	1435	12	precipitate	precipitate	NN
12787	1435	13	by	by	IN
12787	1435	14	the	the	DT
12787	1435	15	inclosure	inclosure	NN
12787	1435	16	of	of	IN
12787	1435	17	other	other	JJ
12787	1435	18	substances	substance	NNS
12787	1435	19	which	which	WDT
12787	1435	20	may	may	MD
12787	1435	21	be	be	VB
12787	1435	22	in	in	IN
12787	1435	23	the	the	DT
12787	1435	24	solution	solution	NN
12787	1435	25	,	,	,
12787	1435	26	or	or	CC
12787	1435	27	of	of	IN
12787	1435	28	the	the	DT
12787	1435	29	reagent	reagent	NN
12787	1435	30	itself	-PRON-	PRP
12787	1435	31	.	.	.
12787	1436	1	FUNNELS	funnel	NNS
12787	1436	2	AND	and	CC
12787	1436	3	FILTERS	filter	NNS
12787	1436	4	Filtration	Filtration	NNP
12787	1436	5	in	in	IN
12787	1436	6	analytical	analytical	JJ
12787	1436	7	processes	process	NNS
12787	1436	8	is	be	VBZ
12787	1436	9	most	most	RBS
12787	1436	10	commonly	commonly	RB
12787	1436	11	effected	effect	VBN
12787	1436	12	through	through	IN
12787	1436	13	paper	paper	NN
12787	1436	14	filters	filter	NNS
12787	1436	15	.	.	.
12787	1437	1	In	in	IN
12787	1437	2	special	special	JJ
12787	1437	3	cases	case	NNS
12787	1437	4	these	these	DT
12787	1437	5	may	may	MD
12787	1437	6	be	be	VB
12787	1437	7	advantageously	advantageously	RB
12787	1437	8	replaced	replace	VBN
12787	1437	9	by	by	IN
12787	1437	10	an	an	DT
12787	1437	11	asbestos	asbestos	NN
12787	1437	12	filter	filter	NN
12787	1437	13	in	in	IN
12787	1437	14	a	a	DT
12787	1437	15	perforated	perforate	VBN
12787	1437	16	porcelain	porcelain	NN
12787	1437	17	or	or	CC
12787	1437	18	platinum	platinum	NN
12787	1437	19	crucible	crucible	JJ
12787	1437	20	,	,	,
12787	1437	21	commonly	commonly	RB
12787	1437	22	known	know	VBN
12787	1437	23	,	,	,
12787	1437	24	from	from	IN
12787	1437	25	its	-PRON-	PRP$
12787	1437	26	originator	originator	NN
12787	1437	27	,	,	,
12787	1437	28	as	as	IN
12787	1437	29	a	a	DT
12787	1437	30	"	"	``
12787	1437	31	Gooch	Gooch	NNP
12787	1437	32	filter	filter	NN
12787	1437	33	.	.	.
12787	1437	34	"	"	''
12787	1438	1	The	the	DT
12787	1438	2	operation	operation	NN
12787	1438	3	and	and	CC
12787	1438	4	use	use	NN
12787	1438	5	of	of	IN
12787	1438	6	a	a	DT
12787	1438	7	filter	filter	NN
12787	1438	8	of	of	IN
12787	1438	9	this	this	DT
12787	1438	10	type	type	NN
12787	1438	11	is	be	VBZ
12787	1438	12	described	describe	VBN
12787	1438	13	on	on	IN
12787	1438	14	page	page	NN
12787	1438	15	103	103	CD
12787	1438	16	.	.	.
12787	1439	1	Porous	porous	JJ
12787	1439	2	crucibles	crucible	NNS
12787	1439	3	of	of	IN
12787	1439	4	a	a	DT
12787	1439	5	material	material	NN
12787	1439	6	known	know	VBN
12787	1439	7	as	as	IN
12787	1439	8	alundum	alundum	NN
12787	1439	9	may	may	MD
12787	1439	10	also	also	RB
12787	1439	11	be	be	VB
12787	1439	12	employed	employ	VBN
12787	1439	13	to	to	TO
12787	1439	14	advantage	advantage	VB
12787	1439	15	in	in	IN
12787	1439	16	special	special	JJ
12787	1439	17	cases	case	NNS
12787	1439	18	.	.	.
12787	1440	1	The	the	DT
12787	1440	2	glass	glass	NN
12787	1440	3	funnels	funnel	NNS
12787	1440	4	selected	select	VBN
12787	1440	5	for	for	IN
12787	1440	6	use	use	NN
12787	1440	7	with	with	IN
12787	1440	8	paper	paper	NN
12787	1440	9	filters	filter	NNS
12787	1440	10	should	should	MD
12787	1440	11	have	have	VB
12787	1440	12	an	an	DT
12787	1440	13	angle	angle	NN
12787	1440	14	as	as	IN
12787	1440	15	near	near	IN
12787	1440	16	60Â	60â	CD
12787	1440	17	°	°	NNS
12787	1440	18	as	as	IN
12787	1440	19	possible	possible	JJ
12787	1440	20	,	,	,
12787	1440	21	and	and	CC
12787	1440	22	a	a	DT
12787	1440	23	narrow	narrow	JJ
12787	1440	24	stem	stem	NN
12787	1440	25	about	about	RB
12787	1440	26	six	six	CD
12787	1440	27	inches	inch	NNS
12787	1440	28	in	in	IN
12787	1440	29	length	length	NN
12787	1440	30	.	.	.
12787	1441	1	The	the	DT
12787	1441	2	filters	filter	NNS
12787	1441	3	employed	employ	VBN
12787	1441	4	should	should	MD
12787	1441	5	be	be	VB
12787	1441	6	washed	wash	VBN
12787	1441	7	filters	filter	NNS
12787	1441	8	,	,	,
12787	1441	9	i.e.	i.e.	FW
12787	1441	10	,	,	,
12787	1441	11	those	those	DT
12787	1441	12	which	which	WDT
12787	1441	13	have	have	VBP
12787	1441	14	been	be	VBN
12787	1441	15	treated	treat	VBN
12787	1441	16	with	with	IN
12787	1441	17	hydrochloric	hydrochloric	JJ
12787	1441	18	and	and	CC
12787	1441	19	hydrofluoric	hydrofluoric	JJ
12787	1441	20	acids	acid	NNS
12787	1441	21	,	,	,
12787	1441	22	and	and	CC
12787	1441	23	which	which	WDT
12787	1441	24	on	on	IN
12787	1441	25	incineration	incineration	NN
12787	1441	26	leave	leave	VBP
12787	1441	27	a	a	DT
12787	1441	28	very	very	RB
12787	1441	29	small	small	JJ
12787	1441	30	and	and	CC
12787	1441	31	definitely	definitely	RB
12787	1441	32	known	known	JJ
12787	1441	33	weight	weight	NN
12787	1441	34	of	of	IN
12787	1441	35	ash	ash	NN
12787	1441	36	,	,	,
12787	1441	37	generally	generally	RB
12787	1441	38	about	about	IN
12787	1441	39	.00003	.00003	.
12787	1441	40	gram	gram	NNP
12787	1441	41	.	.	.
12787	1442	1	Such	such	JJ
12787	1442	2	filters	filter	NNS
12787	1442	3	are	be	VBP
12787	1442	4	readily	readily	RB
12787	1442	5	obtainable	obtainable	JJ
12787	1442	6	on	on	IN
12787	1442	7	the	the	DT
12787	1442	8	market	market	NN
12787	1442	9	.	.	.
12787	1443	1	The	the	DT
12787	1443	2	filter	filter	NN
12787	1443	3	should	should	MD
12787	1443	4	be	be	VB
12787	1443	5	carefully	carefully	RB
12787	1443	6	folded	fold	VBN
12787	1443	7	to	to	TO
12787	1443	8	fit	fit	VB
12787	1443	9	the	the	DT
12787	1443	10	funnel	funnel	NN
12787	1443	11	according	accord	VBG
12787	1443	12	to	to	IN
12787	1443	13	either	either	DT
12787	1443	14	of	of	IN
12787	1443	15	the	the	DT
12787	1443	16	two	two	CD
12787	1443	17	well	well	RB
12787	1443	18	-	-	HYPH
12787	1443	19	established	establish	VBN
12787	1443	20	methods	method	NNS
12787	1443	21	described	describe	VBN
12787	1443	22	in	in	IN
12787	1443	23	the	the	DT
12787	1443	24	Appendix	Appendix	NNP
12787	1443	25	.	.	.
12787	1444	1	It	-PRON-	PRP
12787	1444	2	should	should	MD
12787	1444	3	always	always	RB
12787	1444	4	be	be	VB
12787	1444	5	placed	place	VBN
12787	1444	6	so	so	IN
12787	1444	7	that	that	IN
12787	1444	8	the	the	DT
12787	1444	9	upper	upper	JJ
12787	1444	10	edge	edge	NN
12787	1444	11	of	of	IN
12787	1444	12	the	the	DT
12787	1444	13	paper	paper	NN
12787	1444	14	is	be	VBZ
12787	1444	15	about	about	RB
12787	1444	16	one	one	CD
12787	1444	17	fourth	fourth	JJ
12787	1444	18	inch	inch	NN
12787	1444	19	below	below	IN
12787	1444	20	the	the	DT
12787	1444	21	top	top	NN
12787	1444	22	of	of	IN
12787	1444	23	the	the	DT
12787	1444	24	funnel	funnel	NN
12787	1444	25	.	.	.
12787	1445	1	Under	under	IN
12787	1445	2	no	no	DT
12787	1445	3	circumstances	circumstance	NNS
12787	1445	4	should	should	MD
12787	1445	5	the	the	DT
12787	1445	6	filter	filter	NN
12787	1445	7	extend	extend	VB
12787	1445	8	above	above	IN
12787	1445	9	the	the	DT
12787	1445	10	edge	edge	NN
12787	1445	11	of	of	IN
12787	1445	12	the	the	DT
12787	1445	13	funnel	funnel	NN
12787	1445	14	,	,	,
12787	1445	15	as	as	IN
12787	1445	16	it	-PRON-	PRP
12787	1445	17	is	be	VBZ
12787	1445	18	then	then	RB
12787	1445	19	utterly	utterly	RB
12787	1445	20	impossible	impossible	JJ
12787	1445	21	to	to	TO
12787	1445	22	effect	effect	VB
12787	1445	23	complete	complete	JJ
12787	1445	24	washing	washing	NN
12787	1445	25	.	.	.
12787	1446	1	To	to	TO
12787	1446	2	test	test	VB
12787	1446	3	the	the	DT
12787	1446	4	efficiency	efficiency	NN
12787	1446	5	of	of	IN
12787	1446	6	the	the	DT
12787	1446	7	filter	filter	NN
12787	1446	8	,	,	,
12787	1446	9	fill	fill	VB
12787	1446	10	it	-PRON-	PRP
12787	1446	11	with	with	IN
12787	1446	12	distilled	distilled	JJ
12787	1446	13	water	water	NN
12787	1446	14	.	.	.
12787	1447	1	This	this	DT
12787	1447	2	water	water	NN
12787	1447	3	should	should	MD
12787	1447	4	soon	soon	RB
12787	1447	5	fill	fill	VB
12787	1447	6	the	the	DT
12787	1447	7	stem	stem	NN
12787	1447	8	completely	completely	RB
12787	1447	9	,	,	,
12787	1447	10	forming	form	VBG
12787	1447	11	a	a	DT
12787	1447	12	continuous	continuous	JJ
12787	1447	13	column	column	NN
12787	1447	14	of	of	IN
12787	1447	15	liquid	liquid	NN
12787	1447	16	which	which	WDT
12787	1447	17	,	,	,
12787	1447	18	by	by	IN
12787	1447	19	its	-PRON-	PRP$
12787	1447	20	hydrostatic	hydrostatic	JJ
12787	1447	21	pressure	pressure	NN
12787	1447	22	,	,	,
12787	1447	23	produces	produce	VBZ
12787	1447	24	a	a	DT
12787	1447	25	gentle	gentle	JJ
12787	1447	26	suction	suction	NN
12787	1447	27	,	,	,
12787	1447	28	thus	thus	RB
12787	1447	29	materially	materially	RB
12787	1447	30	promoting	promote	VBG
12787	1447	31	the	the	DT
12787	1447	32	rapidity	rapidity	NN
12787	1447	33	of	of	IN
12787	1447	34	filtration	filtration	NN
12787	1447	35	.	.	.
12787	1448	1	Unless	unless	IN
12787	1448	2	the	the	DT
12787	1448	3	filter	filter	NN
12787	1448	4	allows	allow	VBZ
12787	1448	5	free	free	JJ
12787	1448	6	passage	passage	NN
12787	1448	7	of	of	IN
12787	1448	8	water	water	NN
12787	1448	9	under	under	IN
12787	1448	10	these	these	DT
12787	1448	11	conditions	condition	NNS
12787	1448	12	,	,	,
12787	1448	13	it	-PRON-	PRP
12787	1448	14	is	be	VBZ
12787	1448	15	likely	likely	JJ
12787	1448	16	to	to	TO
12787	1448	17	give	give	VB
12787	1448	18	much	much	JJ
12787	1448	19	trouble	trouble	NN
12787	1448	20	when	when	WRB
12787	1448	21	a	a	DT
12787	1448	22	precipitate	precipitate	NN
12787	1448	23	is	be	VBZ
12787	1448	24	placed	place	VBN
12787	1448	25	upon	upon	IN
12787	1448	26	it	-PRON-	PRP
12787	1448	27	.	.	.
12787	1449	1	The	the	DT
12787	1449	2	use	use	NN
12787	1449	3	of	of	IN
12787	1449	4	a	a	DT
12787	1449	5	suction	suction	NN
12787	1449	6	pump	pump	NN
12787	1449	7	to	to	TO
12787	1449	8	promote	promote	VB
12787	1449	9	filtration	filtration	NN
12787	1449	10	is	be	VBZ
12787	1449	11	rarely	rarely	RB
12787	1449	12	altogether	altogether	RB
12787	1449	13	advantageous	advantageous	JJ
12787	1449	14	in	in	IN
12787	1449	15	quantitative	quantitative	JJ
12787	1449	16	analysis	analysis	NN
12787	1449	17	,	,	,
12787	1449	18	if	if	IN
12787	1449	19	paper	paper	NN
12787	1449	20	filters	filter	NNS
12787	1449	21	are	be	VBP
12787	1449	22	employed	employ	VBN
12787	1449	23	.	.	.
12787	1450	1	The	the	DT
12787	1450	2	tendency	tendency	NN
12787	1450	3	of	of	IN
12787	1450	4	the	the	DT
12787	1450	5	filter	filter	NN
12787	1450	6	to	to	TO
12787	1450	7	break	break	VB
12787	1450	8	,	,	,
12787	1450	9	unless	unless	IN
12787	1450	10	the	the	DT
12787	1450	11	point	point	NN
12787	1450	12	of	of	IN
12787	1450	13	the	the	DT
12787	1450	14	filter	filter	NN
12787	1450	15	paper	paper	NN
12787	1450	16	is	be	VBZ
12787	1450	17	supported	support	VBN
12787	1450	18	by	by	IN
12787	1450	19	a	a	DT
12787	1450	20	perforated	perforate	VBN
12787	1450	21	porcelain	porcelain	NN
12787	1450	22	cone	cone	NN
12787	1450	23	or	or	CC
12787	1450	24	a	a	DT
12787	1450	25	small	small	JJ
12787	1450	26	"	"	``
12787	1450	27	hardened	harden	VBN
12787	1450	28	filter	filter	NN
12787	1450	29	"	"	''
12787	1450	30	of	of	IN
12787	1450	31	parchment	parchment	NN
12787	1450	32	,	,	,
12787	1450	33	and	and	CC
12787	1450	34	the	the	DT
12787	1450	35	tendency	tendency	NN
12787	1450	36	of	of	IN
12787	1450	37	the	the	DT
12787	1450	38	precipitates	precipitate	NNS
12787	1450	39	to	to	TO
12787	1450	40	pass	pass	VB
12787	1450	41	through	through	RP
12787	1450	42	the	the	DT
12787	1450	43	pores	pore	NNS
12787	1450	44	of	of	IN
12787	1450	45	the	the	DT
12787	1450	46	filter	filter	NN
12787	1450	47	,	,	,
12787	1450	48	more	more	RBR
12787	1450	49	than	than	IN
12787	1450	50	compensate	compensate	VB
12787	1450	51	for	for	IN
12787	1450	52	the	the	DT
12787	1450	53	possible	possible	JJ
12787	1450	54	gain	gain	NN
12787	1450	55	in	in	IN
12787	1450	56	time	time	NN
12787	1450	57	.	.	.
12787	1451	1	On	on	IN
12787	1451	2	the	the	DT
12787	1451	3	other	other	JJ
12787	1451	4	hand	hand	NN
12787	1451	5	,	,	,
12787	1451	6	filtration	filtration	NN
12787	1451	7	by	by	IN
12787	1451	8	suction	suction	NN
12787	1451	9	may	may	MD
12787	1451	10	be	be	VB
12787	1451	11	useful	useful	JJ
12787	1451	12	in	in	IN
12787	1451	13	the	the	DT
12787	1451	14	case	case	NN
12787	1451	15	of	of	IN
12787	1451	16	precipitates	precipitate	NNS
12787	1451	17	which	which	WDT
12787	1451	18	do	do	VBP
12787	1451	19	not	not	RB
12787	1451	20	require	require	VB
12787	1451	21	ignition	ignition	NN
12787	1451	22	before	before	IN
12787	1451	23	weighing	weigh	VBG
12787	1451	24	,	,	,
12787	1451	25	or	or	CC
12787	1451	26	in	in	IN
12787	1451	27	the	the	DT
12787	1451	28	case	case	NN
12787	1451	29	of	of	IN
12787	1451	30	precipitates	precipitate	NNS
12787	1451	31	which	which	WDT
12787	1451	32	are	be	VBP
12787	1451	33	to	to	TO
12787	1451	34	be	be	VB
12787	1451	35	discarded	discard	VBN
12787	1451	36	without	without	IN
12787	1451	37	weighing	weigh	VBG
12787	1451	38	.	.	.
12787	1452	1	This	this	DT
12787	1452	2	is	be	VBZ
12787	1452	3	best	well	RBS
12787	1452	4	accomplished	accomplish	VBN
12787	1452	5	with	with	IN
12787	1452	6	the	the	DT
12787	1452	7	aid	aid	NN
12787	1452	8	of	of	IN
12787	1452	9	the	the	DT
12787	1452	10	special	special	JJ
12787	1452	11	apparatus	apparatus	NN
12787	1452	12	called	call	VBD
12787	1452	13	a	a	DT
12787	1452	14	Gooch	Gooch	NNP
12787	1452	15	filter	filter	NN
12787	1452	16	referred	refer	VBD
12787	1452	17	to	to	IN
12787	1452	18	above	above	RB
12787	1452	19	.	.	.
12787	1453	1	FILTRATION	FILTRATION	NNS
12787	1453	2	AND	and	CC
12787	1453	3	WASHING	washing	NN
12787	1453	4	OF	of	IN
12787	1453	5	PRECIPITATES	precipitate	NNS
12787	1453	6	Solutions	Solutions	NNPS
12787	1453	7	should	should	MD
12787	1453	8	be	be	VB
12787	1453	9	filtered	filter	VBN
12787	1453	10	while	while	IN
12787	1453	11	hot	hot	JJ
12787	1453	12	,	,	,
12787	1453	13	as	as	RB
12787	1453	14	far	far	RB
12787	1453	15	as	as	IN
12787	1453	16	possible	possible	JJ
12787	1453	17	,	,	,
12787	1453	18	since	since	IN
12787	1453	19	the	the	DT
12787	1453	20	passage	passage	NN
12787	1453	21	of	of	IN
12787	1453	22	a	a	DT
12787	1453	23	liquid	liquid	NN
12787	1453	24	through	through	IN
12787	1453	25	the	the	DT
12787	1453	26	pores	pore	NNS
12787	1453	27	of	of	IN
12787	1453	28	a	a	DT
12787	1453	29	filter	filter	NN
12787	1453	30	is	be	VBZ
12787	1453	31	retarded	retard	VBN
12787	1453	32	by	by	IN
12787	1453	33	friction	friction	NN
12787	1453	34	,	,	,
12787	1453	35	and	and	CC
12787	1453	36	this	this	DT
12787	1453	37	,	,	,
12787	1453	38	for	for	IN
12787	1453	39	water	water	NN
12787	1453	40	at	at	IN
12787	1453	41	100Â	100â	CD
12787	1453	42	°	°	NNS
12787	1453	43	C	C	NNP
12787	1453	44	.	.	NNP
12787	1453	45	,	,	,
12787	1453	46	is	be	VBZ
12787	1453	47	less	less	JJR
12787	1453	48	than	than	IN
12787	1453	49	one	one	CD
12787	1453	50	sixth	sixth	NN
12787	1453	51	of	of	IN
12787	1453	52	the	the	DT
12787	1453	53	resistance	resistance	NN
12787	1453	54	at	at	IN
12787	1453	55	0Â	0â	NN
12787	1453	56	°	°	NNP
12787	1453	57	C	C	NNP
12787	1453	58	.	.	.
12787	1454	1	When	when	WRB
12787	1454	2	the	the	DT
12787	1454	3	filtrate	filtrate	NN
12787	1454	4	is	be	VBZ
12787	1454	5	received	receive	VBN
12787	1454	6	in	in	IN
12787	1454	7	a	a	DT
12787	1454	8	beaker	beaker	NN
12787	1454	9	,	,	,
12787	1454	10	the	the	DT
12787	1454	11	stem	stem	NN
12787	1454	12	of	of	IN
12787	1454	13	the	the	DT
12787	1454	14	funnel	funnel	NN
12787	1454	15	should	should	MD
12787	1454	16	touch	touch	VB
12787	1454	17	the	the	DT
12787	1454	18	side	side	NN
12787	1454	19	of	of	IN
12787	1454	20	the	the	DT
12787	1454	21	receiving	receive	VBG
12787	1454	22	vessel	vessel	NN
12787	1454	23	to	to	TO
12787	1454	24	avoid	avoid	VB
12787	1454	25	loss	loss	NN
12787	1454	26	by	by	IN
12787	1454	27	spattering	spatter	VBG
12787	1454	28	.	.	.
12787	1455	1	Neglect	Neglect	NNP
12787	1455	2	of	of	IN
12787	1455	3	this	this	DT
12787	1455	4	precaution	precaution	NN
12787	1455	5	is	be	VBZ
12787	1455	6	a	a	DT
12787	1455	7	frequent	frequent	JJ
12787	1455	8	source	source	NN
12787	1455	9	of	of	IN
12787	1455	10	error	error	NN
12787	1455	11	.	.	.
12787	1456	1	The	the	DT
12787	1456	2	vessels	vessel	NNS
12787	1456	3	which	which	WDT
12787	1456	4	contain	contain	VBP
12787	1456	5	the	the	DT
12787	1456	6	initial	initial	JJ
12787	1456	7	filtrate	filtrate	NN
12787	1456	8	should	should	MD
12787	1456	9	!	!	.
12787	1456	10	always	always	RB
12787	1456	11	!	!	.
12787	1457	1	be	be	VB
12787	1457	2	replaced	replace	VBN
12787	1457	3	by	by	IN
12787	1457	4	clean	clean	JJ
12787	1457	5	ones	one	NNS
12787	1457	6	,	,	,
12787	1457	7	properly	properly	RB
12787	1457	8	labeled	label	VBN
12787	1457	9	,	,	,
12787	1457	10	before	before	IN
12787	1457	11	the	the	DT
12787	1457	12	washing	washing	NN
12787	1457	13	of	of	IN
12787	1457	14	a	a	DT
12787	1457	15	precipitate	precipitate	NN
12787	1457	16	begins	begin	VBZ
12787	1457	17	.	.	.
12787	1458	1	In	in	IN
12787	1458	2	many	many	JJ
12787	1458	3	instances	instance	NNS
12787	1458	4	a	a	DT
12787	1458	5	finely	finely	RB
12787	1458	6	divided	divide	VBN
12787	1458	7	precipitate	precipitate	NN
12787	1458	8	which	which	WDT
12787	1458	9	shows	show	VBZ
12787	1458	10	no	no	DT
12787	1458	11	tendency	tendency	NN
12787	1458	12	to	to	TO
12787	1458	13	pass	pass	VB
12787	1458	14	through	through	RP
12787	1458	15	the	the	DT
12787	1458	16	filter	filter	NN
12787	1458	17	at	at	IN
12787	1458	18	first	first	RB
12787	1458	19	,	,	,
12787	1458	20	while	while	IN
12787	1458	21	the	the	DT
12787	1458	22	solution	solution	NN
12787	1458	23	is	be	VBZ
12787	1458	24	relatively	relatively	RB
12787	1458	25	dense	dense	JJ
12787	1458	26	,	,	,
12787	1458	27	appears	appear	VBZ
12787	1458	28	at	at	IN
12787	1458	29	once	once	RB
12787	1458	30	in	in	IN
12787	1458	31	the	the	DT
12787	1458	32	washings	washing	NNS
12787	1458	33	.	.	.
12787	1459	1	Under	under	IN
12787	1459	2	such	such	JJ
12787	1459	3	conditions	condition	NNS
12787	1459	4	the	the	DT
12787	1459	5	advantages	advantage	NNS
12787	1459	6	accruing	accrue	VBG
12787	1459	7	from	from	IN
12787	1459	8	the	the	DT
12787	1459	9	removal	removal	NN
12787	1459	10	of	of	IN
12787	1459	11	the	the	DT
12787	1459	12	first	first	JJ
12787	1459	13	filtrate	filtrate	JJ
12787	1459	14	are	be	VBP
12787	1459	15	obvious	obvious	JJ
12787	1459	16	,	,	,
12787	1459	17	both	both	DT
12787	1459	18	as	as	IN
12787	1459	19	regards	regard	VBZ
12787	1459	20	the	the	DT
12787	1459	21	diminished	diminished	JJ
12787	1459	22	volume	volume	NN
12787	1459	23	requiring	require	VBG
12787	1459	24	refiltration	refiltration	NN
12787	1459	25	,	,	,
12787	1459	26	and	and	CC
12787	1459	27	also	also	RB
12787	1459	28	the	the	DT
12787	1459	29	smaller	small	JJR
12787	1459	30	number	number	NN
12787	1459	31	of	of	IN
12787	1459	32	washings	washing	NNS
12787	1459	33	subsequently	subsequently	RB
12787	1459	34	required	require	VBD
12787	1459	35	.	.	.
12787	1460	1	Much	much	JJ
12787	1460	2	time	time	NN
12787	1460	3	may	may	MD
12787	1460	4	often	often	RB
12787	1460	5	be	be	VB
12787	1460	6	saved	save	VBN
12787	1460	7	by	by	IN
12787	1460	8	washing	wash	VBG
12787	1460	9	precipitates	precipitate	NNS
12787	1460	10	by	by	IN
12787	1460	11	decantation	decantation	NN
12787	1460	12	,	,	,
12787	1460	13	i.e.	i.e.	FW
12787	1460	14	,	,	,
12787	1460	15	by	by	IN
12787	1460	16	pouring	pour	VBG
12787	1460	17	over	over	IN
12787	1460	18	them	-PRON-	PRP
12787	1460	19	,	,	,
12787	1460	20	while	while	IN
12787	1460	21	still	still	RB
12787	1460	22	in	in	IN
12787	1460	23	the	the	DT
12787	1460	24	original	original	JJ
12787	1460	25	vessel	vessel	NN
12787	1460	26	,	,	,
12787	1460	27	considerable	considerable	JJ
12787	1460	28	volumes	volume	NNS
12787	1460	29	of	of	IN
12787	1460	30	wash	wash	NN
12787	1460	31	-	-	HYPH
12787	1460	32	water	water	NN
12787	1460	33	and	and	CC
12787	1460	34	allowing	allow	VBG
12787	1460	35	them	-PRON-	PRP
12787	1460	36	to	to	TO
12787	1460	37	settle	settle	VB
12787	1460	38	.	.	.
12787	1461	1	The	the	DT
12787	1461	2	supernatant	supernatant	JJ
12787	1461	3	,	,	,
12787	1461	4	clear	clear	JJ
12787	1461	5	wash	wash	NN
12787	1461	6	-	-	HYPH
12787	1461	7	water	water	NN
12787	1461	8	is	be	VBZ
12787	1461	9	then	then	RB
12787	1461	10	decanted	decant	VBN
12787	1461	11	through	through	IN
12787	1461	12	the	the	DT
12787	1461	13	filter	filter	NN
12787	1461	14	,	,	,
12787	1461	15	so	so	RB
12787	1461	16	far	far	RB
12787	1461	17	as	as	IN
12787	1461	18	practicable	practicable	JJ
12787	1461	19	without	without	IN
12787	1461	20	disturbing	disturb	VBG
12787	1461	21	the	the	DT
12787	1461	22	precipitate	precipitate	NN
12787	1461	23	,	,	,
12787	1461	24	and	and	CC
12787	1461	25	a	a	DT
12787	1461	26	new	new	JJ
12787	1461	27	portion	portion	NN
12787	1461	28	of	of	IN
12787	1461	29	wash	wash	NN
12787	1461	30	-	-	HYPH
12787	1461	31	water	water	NN
12787	1461	32	is	be	VBZ
12787	1461	33	added	add	VBN
12787	1461	34	.	.	.
12787	1462	1	This	this	DT
12787	1462	2	procedure	procedure	NN
12787	1462	3	can	can	MD
12787	1462	4	be	be	VB
12787	1462	5	employed	employ	VBN
12787	1462	6	to	to	IN
12787	1462	7	special	special	JJ
12787	1462	8	advantage	advantage	NN
12787	1462	9	with	with	IN
12787	1462	10	gelatinous	gelatinous	JJ
12787	1462	11	precipitates	precipitate	NNS
12787	1462	12	,	,	,
12787	1462	13	which	which	WDT
12787	1462	14	fill	fill	VBP
12787	1462	15	up	up	RP
12787	1462	16	the	the	DT
12787	1462	17	pores	pore	NNS
12787	1462	18	of	of	IN
12787	1462	19	the	the	DT
12787	1462	20	filter	filter	NN
12787	1462	21	paper	paper	NN
12787	1462	22	.	.	.
12787	1463	1	As	as	IN
12787	1463	2	the	the	DT
12787	1463	3	medium	medium	NN
12787	1463	4	from	from	IN
12787	1463	5	which	which	WDT
12787	1463	6	the	the	DT
12787	1463	7	precipitate	precipitate	NN
12787	1463	8	is	be	VBZ
12787	1463	9	to	to	TO
12787	1463	10	settle	settle	VB
12787	1463	11	becomes	become	VBZ
12787	1463	12	less	less	RBR
12787	1463	13	dense	dense	JJ
12787	1463	14	it	-PRON-	PRP
12787	1463	15	subsides	subside	VBZ
12787	1463	16	less	less	RBR
12787	1463	17	readily	readily	RB
12787	1463	18	,	,	,
12787	1463	19	and	and	CC
12787	1463	20	it	-PRON-	PRP
12787	1463	21	ultimately	ultimately	RB
12787	1463	22	becomes	become	VBZ
12787	1463	23	necessary	necessary	JJ
12787	1463	24	to	to	TO
12787	1463	25	transfer	transfer	VB
12787	1463	26	it	-PRON-	PRP
12787	1463	27	to	to	IN
12787	1463	28	the	the	DT
12787	1463	29	filter	filter	NN
12787	1463	30	and	and	CC
12787	1463	31	complete	complete	VB
12787	1463	32	the	the	DT
12787	1463	33	washing	washing	NN
12787	1463	34	there	there	RB
12787	1463	35	.	.	.
12787	1464	1	A	a	DT
12787	1464	2	precipitate	precipitate	NN
12787	1464	3	should	should	MD
12787	1464	4	never	never	RB
12787	1464	5	completely	completely	RB
12787	1464	6	fill	fill	VB
12787	1464	7	a	a	DT
12787	1464	8	filter	filter	NN
12787	1464	9	.	.	.
12787	1465	1	The	the	DT
12787	1465	2	wash	wash	NN
12787	1465	3	-	-	HYPH
12787	1465	4	water	water	NN
12787	1465	5	should	should	MD
12787	1465	6	be	be	VB
12787	1465	7	applied	apply	VBN
12787	1465	8	at	at	IN
12787	1465	9	the	the	DT
12787	1465	10	top	top	NN
12787	1465	11	of	of	IN
12787	1465	12	the	the	DT
12787	1465	13	filter	filter	NN
12787	1465	14	,	,	,
12787	1465	15	above	above	IN
12787	1465	16	the	the	DT
12787	1465	17	precipitate	precipitate	NN
12787	1465	18	.	.	.
12787	1466	1	It	-PRON-	PRP
12787	1466	2	may	may	MD
12787	1466	3	be	be	VB
12787	1466	4	shown	show	VBN
12787	1466	5	mathematically	mathematically	RB
12787	1466	6	that	that	IN
12787	1466	7	the	the	DT
12787	1466	8	washing	washing	NN
12787	1466	9	is	be	VBZ
12787	1466	10	most	most	RBS
12787	1466	11	!	!	.
12787	1466	12	rapidly	rapidly	RB
12787	1466	13	!	!	.
12787	1467	1	accomplished	accomplish	VBN
12787	1467	2	by	by	IN
12787	1467	3	filling	fill	VBG
12787	1467	4	the	the	DT
12787	1467	5	filter	filter	NN
12787	1467	6	well	well	RB
12787	1467	7	to	to	IN
12787	1467	8	the	the	DT
12787	1467	9	top	top	NN
12787	1467	10	with	with	IN
12787	1467	11	wash	wash	NN
12787	1467	12	-	-	HYPH
12787	1467	13	water	water	NN
12787	1467	14	each	each	DT
12787	1467	15	time	time	NN
12787	1467	16	,	,	,
12787	1467	17	and	and	CC
12787	1467	18	allowing	allow	VBG
12787	1467	19	it	-PRON-	PRP
12787	1467	20	to	to	TO
12787	1467	21	drain	drain	VB
12787	1467	22	completely	completely	RB
12787	1467	23	after	after	IN
12787	1467	24	each	each	DT
12787	1467	25	addition	addition	NN
12787	1467	26	;	;	:
12787	1467	27	but	but	CC
12787	1467	28	that	that	IN
12787	1467	29	when	when	WRB
12787	1467	30	a	a	DT
12787	1467	31	precipitate	precipitate	NN
12787	1467	32	is	be	VBZ
12787	1467	33	to	to	TO
12787	1467	34	be	be	VB
12787	1467	35	washed	wash	VBN
12787	1467	36	with	with	IN
12787	1467	37	the	the	DT
12787	1467	38	!	!	.
12787	1467	39	least	least	JJS
12787	1467	40	possible	possible	JJ
12787	1467	41	volume	volume	NN
12787	1467	42	!	!	.
12787	1468	1	of	of	IN
12787	1468	2	liquid	liquid	NNP
12787	1468	3	the	the	DT
12787	1468	4	latter	latter	NN
12787	1468	5	should	should	MD
12787	1468	6	be	be	VB
12787	1468	7	applied	apply	VBN
12787	1468	8	in	in	IN
12787	1468	9	repeated	repeat	VBN
12787	1468	10	!	!	.
12787	1468	11	small	small	JJ
12787	1468	12	!	!	.
12787	1469	1	quantities	quantity	NNS
12787	1469	2	.	.	.
12787	1470	1	Gelatinous	gelatinous	JJ
12787	1470	2	precipitates	precipitate	NNS
12787	1470	3	should	should	MD
12787	1470	4	not	not	RB
12787	1470	5	be	be	VB
12787	1470	6	allowed	allow	VBN
12787	1470	7	to	to	TO
12787	1470	8	dry	dry	VB
12787	1470	9	before	before	IN
12787	1470	10	complete	complete	JJ
12787	1470	11	removal	removal	NN
12787	1470	12	of	of	IN
12787	1470	13	foreign	foreign	JJ
12787	1470	14	matter	matter	NN
12787	1470	15	is	be	VBZ
12787	1470	16	effected	effect	VBN
12787	1470	17	.	.	.
12787	1471	1	They	-PRON-	PRP
12787	1471	2	are	be	VBP
12787	1471	3	likely	likely	JJ
12787	1471	4	to	to	TO
12787	1471	5	shrink	shrink	VB
12787	1471	6	and	and	CC
12787	1471	7	crack	crack	VB
12787	1471	8	,	,	,
12787	1471	9	and	and	CC
12787	1471	10	subsequent	subsequent	JJ
12787	1471	11	additions	addition	NNS
12787	1471	12	of	of	IN
12787	1471	13	wash	wash	NN
12787	1471	14	-	-	HYPH
12787	1471	15	water	water	NN
12787	1471	16	pass	pass	VB
12787	1471	17	through	through	IN
12787	1471	18	these	these	DT
12787	1471	19	channels	channel	NNS
12787	1471	20	only	only	RB
12787	1471	21	.	.	.
12787	1472	1	All	all	DT
12787	1472	2	filtrates	filtrate	NNS
12787	1472	3	and	and	CC
12787	1472	4	wash	wash	NN
12787	1472	5	-	-	HYPH
12787	1472	6	waters	water	NNS
12787	1472	7	without	without	IN
12787	1472	8	exception	exception	NN
12787	1472	9	must	must	MD
12787	1472	10	be	be	VB
12787	1472	11	properly	properly	RB
12787	1472	12	tested	test	VBN
12787	1472	13	.	.	.
12787	1473	1	!	!	.
12787	1473	2	This	this	DT
12787	1473	3	lies	lie	VBZ
12787	1473	4	at	at	IN
12787	1473	5	the	the	DT
12787	1473	6	foundation	foundation	NN
12787	1473	7	of	of	IN
12787	1473	8	accurate	accurate	JJ
12787	1473	9	work	work	NN
12787	1473	10	!	!	.
12787	1473	11	,	,	,
12787	1473	12	and	and	CC
12787	1473	13	the	the	DT
12787	1473	14	student	student	NN
12787	1473	15	should	should	MD
12787	1473	16	clearly	clearly	RB
12787	1473	17	understand	understand	VB
12787	1473	18	that	that	IN
12787	1473	19	it	-PRON-	PRP
12787	1473	20	is	be	VBZ
12787	1473	21	only	only	RB
12787	1473	22	by	by	IN
12787	1473	23	the	the	DT
12787	1473	24	invariable	invariable	JJ
12787	1473	25	application	application	NN
12787	1473	26	of	of	IN
12787	1473	27	this	this	DT
12787	1473	28	rule	rule	NN
12787	1473	29	that	that	IN
12787	1473	30	assurance	assurance	NN
12787	1473	31	of	of	IN
12787	1473	32	ultimate	ultimate	JJ
12787	1473	33	reliability	reliability	NN
12787	1473	34	can	can	MD
12787	1473	35	be	be	VB
12787	1473	36	secured	secure	VBN
12787	1473	37	.	.	.
12787	1474	1	Every	every	DT
12787	1474	2	original	original	JJ
12787	1474	3	filtrate	filtrate	NN
12787	1474	4	must	must	MD
12787	1474	5	be	be	VB
12787	1474	6	tested	test	VBN
12787	1474	7	to	to	TO
12787	1474	8	prove	prove	VB
12787	1474	9	complete	complete	JJ
12787	1474	10	precipitation	precipitation	NN
12787	1474	11	of	of	IN
12787	1474	12	the	the	DT
12787	1474	13	compound	compound	NN
12787	1474	14	to	to	TO
12787	1474	15	be	be	VB
12787	1474	16	separated	separate	VBN
12787	1474	17	,	,	,
12787	1474	18	and	and	CC
12787	1474	19	the	the	DT
12787	1474	20	wash	wash	NN
12787	1474	21	-	-	HYPH
12787	1474	22	waters	water	NNS
12787	1474	23	must	must	MD
12787	1474	24	also	also	RB
12787	1474	25	be	be	VB
12787	1474	26	tested	test	VBN
12787	1474	27	to	to	TO
12787	1474	28	assure	assure	VB
12787	1474	29	complete	complete	JJ
12787	1474	30	removal	removal	NN
12787	1474	31	of	of	IN
12787	1474	32	foreign	foreign	JJ
12787	1474	33	material	material	NN
12787	1474	34	.	.	.
12787	1475	1	In	in	IN
12787	1475	2	testing	test	VBG
12787	1475	3	the	the	DT
12787	1475	4	latter	latter	JJ
12787	1475	5	,	,	,
12787	1475	6	the	the	DT
12787	1475	7	amount	amount	NN
12787	1475	8	first	first	RB
12787	1475	9	taken	take	VBN
12787	1475	10	should	should	MD
12787	1475	11	be	be	VB
12787	1475	12	but	but	CC
12787	1475	13	a	a	DT
12787	1475	14	few	few	JJ
12787	1475	15	drops	drop	NNS
12787	1475	16	if	if	IN
12787	1475	17	the	the	DT
12787	1475	18	filtrate	filtrate	JJ
12787	1475	19	contains	contain	VBZ
12787	1475	20	material	material	NN
12787	1475	21	which	which	WDT
12787	1475	22	is	be	VBZ
12787	1475	23	to	to	TO
12787	1475	24	be	be	VB
12787	1475	25	subsequently	subsequently	RB
12787	1475	26	determined	determine	VBN
12787	1475	27	.	.	.
12787	1476	1	When	when	WRB
12787	1476	2	,	,	,
12787	1476	3	however	however	RB
12787	1476	4	,	,	,
12787	1476	5	the	the	DT
12787	1476	6	washing	washing	NN
12787	1476	7	of	of	IN
12787	1476	8	the	the	DT
12787	1476	9	filter	filter	NN
12787	1476	10	and	and	CC
12787	1476	11	precipitate	precipitate	NN
12787	1476	12	is	be	VBZ
12787	1476	13	nearly	nearly	RB
12787	1476	14	completed	complete	VBN
12787	1476	15	the	the	DT
12787	1476	16	amount	amount	NN
12787	1476	17	should	should	MD
12787	1476	18	be	be	VB
12787	1476	19	increased	increase	VBN
12787	1476	20	,	,	,
12787	1476	21	and	and	CC
12787	1476	22	for	for	IN
12787	1476	23	the	the	DT
12787	1476	24	final	final	JJ
12787	1476	25	test	test	NN
12787	1476	26	not	not	RB
12787	1476	27	less	less	JJR
12787	1476	28	than	than	IN
12787	1476	29	3	3	CD
12787	1476	30	cc	cc	NN
12787	1476	31	.	.	.
12787	1477	1	should	should	MD
12787	1477	2	be	be	VB
12787	1477	3	used	use	VBN
12787	1477	4	.	.	.
12787	1478	1	It	-PRON-	PRP
12787	1478	2	is	be	VBZ
12787	1478	3	impossible	impossible	JJ
12787	1478	4	to	to	TO
12787	1478	5	trust	trust	VB
12787	1478	6	to	to	IN
12787	1478	7	one	one	PRP
12787	1478	8	's	's	POS
12787	1478	9	judgment	judgment	NN
12787	1478	10	with	with	IN
12787	1478	11	regard	regard	NN
12787	1478	12	to	to	IN
12787	1478	13	the	the	DT
12787	1478	14	washing	washing	NN
12787	1478	15	of	of	IN
12787	1478	16	precipitates	precipitate	NNS
12787	1478	17	;	;	:
12787	1478	18	the	the	DT
12787	1478	19	washings	washing	NNS
12787	1478	20	from	from	IN
12787	1478	21	!	!	.
12787	1478	22	each	each	DT
12787	1478	23	precipitate	precipitate	NN
12787	1478	24	!	!	.
12787	1479	1	of	of	IN
12787	1479	2	a	a	DT
12787	1479	3	series	series	NN
12787	1479	4	simultaneously	simultaneously	RB
12787	1479	5	treated	treat	VBN
12787	1479	6	must	must	MD
12787	1479	7	be	be	VB
12787	1479	8	tested	test	VBN
12787	1479	9	,	,	,
12787	1479	10	since	since	IN
12787	1479	11	the	the	DT
12787	1479	12	rate	rate	NN
12787	1479	13	of	of	IN
12787	1479	14	washing	washing	NN
12787	1479	15	will	will	MD
12787	1479	16	often	often	RB
12787	1479	17	differ	differ	VB
12787	1479	18	materially	materially	RB
12787	1479	19	under	under	IN
12787	1479	20	apparently	apparently	RB
12787	1479	21	similar	similar	JJ
12787	1479	22	conditions	condition	NNS
12787	1479	23	,	,	,
12787	1479	24	!	!	.
12787	1479	25	No	no	DT
12787	1479	26	exception	exception	NN
12787	1479	27	can	can	MD
12787	1479	28	ever	ever	RB
12787	1479	29	be	be	VB
12787	1479	30	made	make	VBN
12787	1479	31	to	to	IN
12787	1479	32	this	this	DT
12787	1479	33	rule	rule	NN
12787	1479	34	!	!	.
12787	1479	35	.	.	.
12787	1480	1	The	the	DT
12787	1480	2	habit	habit	NN
12787	1480	3	of	of	IN
12787	1480	4	placing	place	VBG
12787	1480	5	a	a	DT
12787	1480	6	clean	clean	JJ
12787	1480	7	common	common	JJ
12787	1480	8	filter	filter	NN
12787	1480	9	paper	paper	NN
12787	1480	10	under	under	IN
12787	1480	11	the	the	DT
12787	1480	12	receiving	receive	VBG
12787	1480	13	beaker	beaker	NN
12787	1480	14	during	during	IN
12787	1480	15	filtration	filtration	NN
12787	1480	16	is	be	VBZ
12787	1480	17	one	one	CD
12787	1480	18	to	to	TO
12787	1480	19	be	be	VB
12787	1480	20	commended	commend	VBN
12787	1480	21	.	.	.
12787	1481	1	On	on	IN
12787	1481	2	this	this	DT
12787	1481	3	paper	paper	NN
12787	1481	4	a	a	DT
12787	1481	5	record	record	NN
12787	1481	6	of	of	IN
12787	1481	7	the	the	DT
12787	1481	8	number	number	NN
12787	1481	9	of	of	IN
12787	1481	10	washings	washing	NNS
12787	1481	11	can	can	MD
12787	1481	12	very	very	RB
12787	1481	13	well	well	RB
12787	1481	14	be	be	VB
12787	1481	15	made	make	VBN
12787	1481	16	as	as	IN
12787	1481	17	the	the	DT
12787	1481	18	portions	portion	NNS
12787	1481	19	of	of	IN
12787	1481	20	wash	wash	NN
12787	1481	21	-	-	HYPH
12787	1481	22	water	water	NN
12787	1481	23	are	be	VBP
12787	1481	24	added	add	VBN
12787	1481	25	.	.	.
12787	1482	1	It	-PRON-	PRP
12787	1482	2	is	be	VBZ
12787	1482	3	an	an	DT
12787	1482	4	excellent	excellent	JJ
12787	1482	5	practice	practice	NN
12787	1482	6	,	,	,
12787	1482	7	when	when	WRB
12787	1482	8	possible	possible	JJ
12787	1482	9	,	,	,
12787	1482	10	to	to	TO
12787	1482	11	retain	retain	VB
12787	1482	12	filtrates	filtrate	NNS
12787	1482	13	and	and	CC
12787	1482	14	precipitates	precipitate	NNS
12787	1482	15	until	until	IN
12787	1482	16	the	the	DT
12787	1482	17	completion	completion	NN
12787	1482	18	of	of	IN
12787	1482	19	an	an	DT
12787	1482	20	analysis	analysis	NN
12787	1482	21	,	,	,
12787	1482	22	in	in	IN
12787	1482	23	order	order	NN
12787	1482	24	that	that	IN
12787	1482	25	,	,	,
12787	1482	26	in	in	IN
12787	1482	27	case	case	NN
12787	1482	28	of	of	IN
12787	1482	29	question	question	NN
12787	1482	30	,	,	,
12787	1482	31	they	-PRON-	PRP
12787	1482	32	may	may	MD
12787	1482	33	be	be	VB
12787	1482	34	examined	examine	VBN
12787	1482	35	to	to	TO
12787	1482	36	discover	discover	VB
12787	1482	37	sources	source	NNS
12787	1482	38	of	of	IN
12787	1482	39	error	error	NN
12787	1482	40	.	.	.
12787	1483	1	For	for	IN
12787	1483	2	the	the	DT
12787	1483	3	complete	complete	JJ
12787	1483	4	removal	removal	NN
12787	1483	5	of	of	IN
12787	1483	6	precipitates	precipitate	NNS
12787	1483	7	from	from	IN
12787	1483	8	containing	contain	VBG
12787	1483	9	vessels	vessel	NNS
12787	1483	10	,	,	,
12787	1483	11	it	-PRON-	PRP
12787	1483	12	is	be	VBZ
12787	1483	13	often	often	RB
12787	1483	14	necessary	necessary	JJ
12787	1483	15	to	to	TO
12787	1483	16	rub	rub	VB
12787	1483	17	the	the	DT
12787	1483	18	sides	side	NNS
12787	1483	19	of	of	IN
12787	1483	20	these	these	DT
12787	1483	21	vessels	vessel	NNS
12787	1483	22	to	to	TO
12787	1483	23	loosen	loosen	VB
12787	1483	24	the	the	DT
12787	1483	25	adhering	adhere	VBG
12787	1483	26	particles	particle	NNS
12787	1483	27	.	.	.
12787	1484	1	This	this	DT
12787	1484	2	can	can	MD
12787	1484	3	best	well	RBS
12787	1484	4	be	be	VB
12787	1484	5	done	do	VBN
12787	1484	6	by	by	IN
12787	1484	7	slipping	slip	VBG
12787	1484	8	over	over	IN
12787	1484	9	the	the	DT
12787	1484	10	end	end	NN
12787	1484	11	of	of	IN
12787	1484	12	a	a	DT
12787	1484	13	stirring	stirring	JJ
12787	1484	14	rod	rod	NN
12787	1484	15	a	a	DT
12787	1484	16	soft	soft	JJ
12787	1484	17	rubber	rubber	NN
12787	1484	18	device	device	NN
12787	1484	19	sometimes	sometimes	RB
12787	1484	20	called	call	VBD
12787	1484	21	a	a	DT
12787	1484	22	"	"	``
12787	1484	23	policeman	policeman	NN
12787	1484	24	.	.	.
12787	1484	25	"	"	''
12787	1485	1	DESICCATORS	DESICCATORS	NNP
12787	1485	2	Desiccators	desiccator	NNS
12787	1485	3	should	should	MD
12787	1485	4	be	be	VB
12787	1485	5	filled	fill	VBN
12787	1485	6	with	with	IN
12787	1485	7	fused	fuse	VBN
12787	1485	8	,	,	,
12787	1485	9	anhydrous	anhydrous	JJ
12787	1485	10	calcium	calcium	NN
12787	1485	11	chloride	chloride	NN
12787	1485	12	,	,	,
12787	1485	13	over	over	IN
12787	1485	14	which	which	WDT
12787	1485	15	is	be	VBZ
12787	1485	16	placed	place	VBN
12787	1485	17	a	a	DT
12787	1485	18	clay	clay	NN
12787	1485	19	triangle	triangle	NN
12787	1485	20	,	,	,
12787	1485	21	or	or	CC
12787	1485	22	an	an	DT
12787	1485	23	iron	iron	NN
12787	1485	24	triangle	triangle	NN
12787	1485	25	covered	cover	VBN
12787	1485	26	with	with	IN
12787	1485	27	silica	silica	NN
12787	1485	28	tubes	tube	NNS
12787	1485	29	,	,	,
12787	1485	30	to	to	TO
12787	1485	31	support	support	VB
12787	1485	32	the	the	DT
12787	1485	33	crucible	crucible	JJ
12787	1485	34	or	or	CC
12787	1485	35	other	other	JJ
12787	1485	36	utensils	utensil	NNS
12787	1485	37	.	.	.
12787	1486	1	The	the	DT
12787	1486	2	cover	cover	NN
12787	1486	3	of	of	IN
12787	1486	4	the	the	DT
12787	1486	5	desiccator	desiccator	NN
12787	1486	6	should	should	MD
12787	1486	7	be	be	VB
12787	1486	8	made	make	VBN
12787	1486	9	air	air	NN
12787	1486	10	-	-	HYPH
12787	1486	11	tight	tight	JJ
12787	1486	12	by	by	IN
12787	1486	13	the	the	DT
12787	1486	14	use	use	NN
12787	1486	15	of	of	IN
12787	1486	16	a	a	DT
12787	1486	17	thin	thin	JJ
12787	1486	18	coating	coating	NN
12787	1486	19	of	of	IN
12787	1486	20	vaseline	vaseline	NN
12787	1486	21	.	.	.
12787	1487	1	Pumice	Pumice	NNP
12787	1487	2	moistened	moisten	VBN
12787	1487	3	with	with	IN
12787	1487	4	concentrated	concentrated	JJ
12787	1487	5	sulphuric	sulphuric	JJ
12787	1487	6	acid	acid	NN
12787	1487	7	may	may	MD
12787	1487	8	be	be	VB
12787	1487	9	used	use	VBN
12787	1487	10	in	in	IN
12787	1487	11	place	place	NN
12787	1487	12	of	of	IN
12787	1487	13	the	the	DT
12787	1487	14	calcium	calcium	NN
12787	1487	15	chloride	chloride	NN
12787	1487	16	,	,	,
12787	1487	17	and	and	CC
12787	1487	18	is	be	VBZ
12787	1487	19	essential	essential	JJ
12787	1487	20	in	in	IN
12787	1487	21	special	special	JJ
12787	1487	22	cases	case	NNS
12787	1487	23	;	;	:
12787	1487	24	but	but	CC
12787	1487	25	for	for	IN
12787	1487	26	most	most	JJS
12787	1487	27	purposes	purpose	NNS
12787	1487	28	the	the	DT
12787	1487	29	calcium	calcium	NN
12787	1487	30	chloride	chloride	NN
12787	1487	31	,	,	,
12787	1487	32	if	if	IN
12787	1487	33	renewed	renew	VBN
12787	1487	34	occasionally	occasionally	RB
12787	1487	35	and	and	CC
12787	1487	36	not	not	RB
12787	1487	37	allowed	allow	VBN
12787	1487	38	to	to	TO
12787	1487	39	cake	cake	VB
12787	1487	40	together	together	RB
12787	1487	41	,	,	,
12787	1487	42	is	be	VBZ
12787	1487	43	practically	practically	RB
12787	1487	44	efficient	efficient	JJ
12787	1487	45	and	and	CC
12787	1487	46	does	do	VBZ
12787	1487	47	not	not	RB
12787	1487	48	slop	slop	VB
12787	1487	49	about	about	IN
12787	1487	50	when	when	WRB
12787	1487	51	the	the	DT
12787	1487	52	desiccator	desiccator	NN
12787	1487	53	is	be	VBZ
12787	1487	54	moved	move	VBN
12787	1487	55	.	.	.
12787	1488	1	Desiccators	desiccator	NNS
12787	1488	2	should	should	MD
12787	1488	3	never	never	RB
12787	1488	4	remain	remain	VB
12787	1488	5	uncovered	uncovered	JJ
12787	1488	6	for	for	IN
12787	1488	7	any	any	DT
12787	1488	8	length	length	NN
12787	1488	9	of	of	IN
12787	1488	10	time	time	NN
12787	1488	11	.	.	.
12787	1489	1	The	the	DT
12787	1489	2	dehydrating	dehydrate	VBG
12787	1489	3	agents	agent	NNS
12787	1489	4	rapidly	rapidly	RB
12787	1489	5	lose	lose	VBP
12787	1489	6	their	-PRON-	PRP$
12787	1489	7	efficiency	efficiency	NN
12787	1489	8	on	on	IN
12787	1489	9	exposure	exposure	NN
12787	1489	10	to	to	IN
12787	1489	11	the	the	DT
12787	1489	12	air	air	NN
12787	1489	13	.	.	.
12787	1490	1	CRUCIBLES	CRUCIBLES	NNP
12787	1490	2	It	-PRON-	PRP
12787	1490	3	is	be	VBZ
12787	1490	4	often	often	RB
12787	1490	5	necessary	necessary	JJ
12787	1490	6	in	in	IN
12787	1490	7	quantitative	quantitative	JJ
12787	1490	8	analysis	analysis	NN
12787	1490	9	to	to	TO
12787	1490	10	employ	employ	VB
12787	1490	11	fluxes	flux	NNS
12787	1490	12	to	to	TO
12787	1490	13	bring	bring	VB
12787	1490	14	into	into	IN
12787	1490	15	solution	solution	NN
12787	1490	16	substances	substance	NNS
12787	1490	17	which	which	WDT
12787	1490	18	are	be	VBP
12787	1490	19	not	not	RB
12787	1490	20	dissolved	dissolve	VBN
12787	1490	21	by	by	IN
12787	1490	22	acids	acid	NNS
12787	1490	23	.	.	.
12787	1491	1	The	the	DT
12787	1491	2	fluxes	flux	NNS
12787	1491	3	in	in	IN
12787	1491	4	most	most	JJS
12787	1491	5	common	common	JJ
12787	1491	6	use	use	NN
12787	1491	7	are	be	VBP
12787	1491	8	sodium	sodium	VBG
12787	1491	9	carbonate	carbonate	NN
12787	1491	10	and	and	CC
12787	1491	11	sodium	sodium	NN
12787	1491	12	or	or	CC
12787	1491	13	potassium	potassium	NN
12787	1491	14	acid	acid	NN
12787	1491	15	sulphate	sulphate	NN
12787	1491	16	.	.	.
12787	1492	1	In	in	IN
12787	1492	2	gravimetric	gravimetric	NN
12787	1492	3	analysis	analysis	NN
12787	1492	4	it	-PRON-	PRP
12787	1492	5	is	be	VBZ
12787	1492	6	usually	usually	RB
12787	1492	7	necessary	necessary	JJ
12787	1492	8	to	to	TO
12787	1492	9	ignite	ignite	VB
12787	1492	10	the	the	DT
12787	1492	11	separated	separated	JJ
12787	1492	12	substance	substance	NN
12787	1492	13	after	after	IN
12787	1492	14	filtration	filtration	NN
12787	1492	15	and	and	CC
12787	1492	16	washing	washing	NN
12787	1492	17	,	,	,
12787	1492	18	in	in	IN
12787	1492	19	order	order	NN
12787	1492	20	to	to	TO
12787	1492	21	remove	remove	VB
12787	1492	22	moisture	moisture	NN
12787	1492	23	,	,	,
12787	1492	24	or	or	CC
12787	1492	25	to	to	TO
12787	1492	26	convert	convert	VB
12787	1492	27	it	-PRON-	PRP
12787	1492	28	through	through	IN
12787	1492	29	physical	physical	JJ
12787	1492	30	or	or	CC
12787	1492	31	chemical	chemical	NN
12787	1492	32	changes	change	NNS
12787	1492	33	into	into	IN
12787	1492	34	some	some	DT
12787	1492	35	definite	definite	JJ
12787	1492	36	and	and	CC
12787	1492	37	stable	stable	JJ
12787	1492	38	form	form	NN
12787	1492	39	for	for	IN
12787	1492	40	weighing	weigh	VBG
12787	1492	41	.	.	.
12787	1493	1	Crucibles	crucible	NNS
12787	1493	2	to	to	TO
12787	1493	3	be	be	VB
12787	1493	4	used	use	VBN
12787	1493	5	in	in	IN
12787	1493	6	fusion	fusion	NN
12787	1493	7	processes	process	NNS
12787	1493	8	must	must	MD
12787	1493	9	be	be	VB
12787	1493	10	made	make	VBN
12787	1493	11	of	of	IN
12787	1493	12	materials	material	NNS
12787	1493	13	which	which	WDT
12787	1493	14	will	will	MD
12787	1493	15	withstand	withstand	VB
12787	1493	16	the	the	DT
12787	1493	17	action	action	NN
12787	1493	18	of	of	IN
12787	1493	19	the	the	DT
12787	1493	20	fluxes	flux	NNS
12787	1493	21	employed	employ	VBN
12787	1493	22	,	,	,
12787	1493	23	and	and	CC
12787	1493	24	crucibles	crucible	NNS
12787	1493	25	to	to	TO
12787	1493	26	be	be	VB
12787	1493	27	used	use	VBN
12787	1493	28	for	for	IN
12787	1493	29	ignitions	ignition	NNS
12787	1493	30	must	must	MD
12787	1493	31	be	be	VB
12787	1493	32	made	make	VBN
12787	1493	33	of	of	IN
12787	1493	34	material	material	NN
12787	1493	35	which	which	WDT
12787	1493	36	will	will	MD
12787	1493	37	not	not	RB
12787	1493	38	undergo	undergo	VB
12787	1493	39	any	any	DT
12787	1493	40	permanent	permanent	JJ
12787	1493	41	change	change	NN
12787	1493	42	during	during	IN
12787	1493	43	the	the	DT
12787	1493	44	ignition	ignition	NN
12787	1493	45	,	,	,
12787	1493	46	since	since	IN
12787	1493	47	the	the	DT
12787	1493	48	initial	initial	JJ
12787	1493	49	weight	weight	NN
12787	1493	50	of	of	IN
12787	1493	51	the	the	DT
12787	1493	52	crucible	crucible	NN
12787	1493	53	must	must	MD
12787	1493	54	be	be	VB
12787	1493	55	deducted	deduct	VBN
12787	1493	56	from	from	IN
12787	1493	57	the	the	DT
12787	1493	58	final	final	JJ
12787	1493	59	weight	weight	NN
12787	1493	60	of	of	IN
12787	1493	61	the	the	DT
12787	1493	62	crucible	crucible	NN
12787	1493	63	and	and	CC
12787	1493	64	product	product	NN
12787	1493	65	to	to	TO
12787	1493	66	obtain	obtain	VB
12787	1493	67	the	the	DT
12787	1493	68	weight	weight	NN
12787	1493	69	of	of	IN
12787	1493	70	the	the	DT
12787	1493	71	ignited	ignited	JJ
12787	1493	72	substance	substance	NN
12787	1493	73	.	.	.
12787	1494	1	The	the	DT
12787	1494	2	three	three	CD
12787	1494	3	materials	material	NNS
12787	1494	4	which	which	WDT
12787	1494	5	satisfy	satisfy	VBP
12787	1494	6	these	these	DT
12787	1494	7	conditions	condition	NNS
12787	1494	8	,	,	,
12787	1494	9	in	in	IN
12787	1494	10	general	general	JJ
12787	1494	11	,	,	,
12787	1494	12	are	be	VBP
12787	1494	13	platinum	platinum	NN
12787	1494	14	,	,	,
12787	1494	15	porcelain	porcelain	VBP
12787	1494	16	,	,	,
12787	1494	17	and	and	CC
12787	1494	18	silica	silica	NN
12787	1494	19	.	.	.
12787	1495	1	Platinum	platinum	NN
12787	1495	2	crucibles	crucible	NNS
12787	1495	3	have	have	VBP
12787	1495	4	the	the	DT
12787	1495	5	advantage	advantage	NN
12787	1495	6	that	that	IN
12787	1495	7	they	-PRON-	PRP
12787	1495	8	can	can	MD
12787	1495	9	be	be	VB
12787	1495	10	employed	employ	VBN
12787	1495	11	at	at	IN
12787	1495	12	high	high	JJ
12787	1495	13	temperatures	temperature	NNS
12787	1495	14	,	,	,
12787	1495	15	but	but	CC
12787	1495	16	,	,	,
12787	1495	17	on	on	IN
12787	1495	18	the	the	DT
12787	1495	19	other	other	JJ
12787	1495	20	hand	hand	NN
12787	1495	21	,	,	,
12787	1495	22	these	these	DT
12787	1495	23	crucibles	crucible	NNS
12787	1495	24	can	can	MD
12787	1495	25	never	never	RB
12787	1495	26	be	be	VB
12787	1495	27	used	use	VBN
12787	1495	28	when	when	WRB
12787	1495	29	there	there	EX
12787	1495	30	is	be	VBZ
12787	1495	31	a	a	DT
12787	1495	32	possibility	possibility	NN
12787	1495	33	of	of	IN
12787	1495	34	the	the	DT
12787	1495	35	reduction	reduction	NN
12787	1495	36	to	to	IN
12787	1495	37	the	the	DT
12787	1495	38	metallic	metallic	JJ
12787	1495	39	state	state	NN
12787	1495	40	of	of	IN
12787	1495	41	metals	metal	NNS
12787	1495	42	like	like	IN
12787	1495	43	lead	lead	NN
12787	1495	44	,	,	,
12787	1495	45	copper	copper	NN
12787	1495	46	,	,	,
12787	1495	47	silver	silver	NN
12787	1495	48	,	,	,
12787	1495	49	or	or	CC
12787	1495	50	gold	gold	NN
12787	1495	51	,	,	,
12787	1495	52	which	which	WDT
12787	1495	53	would	would	MD
12787	1495	54	alloy	alloy	VB
12787	1495	55	with	with	IN
12787	1495	56	and	and	CC
12787	1495	57	ruin	ruin	VB
12787	1495	58	the	the	DT
12787	1495	59	crucible	crucible	NN
12787	1495	60	.	.	.
12787	1496	1	When	when	WRB
12787	1496	2	platinum	platinum	NN
12787	1496	3	crucibles	crucible	NNS
12787	1496	4	are	be	VBP
12787	1496	5	used	use	VBN
12787	1496	6	with	with	IN
12787	1496	7	compounds	compound	NNS
12787	1496	8	of	of	IN
12787	1496	9	arsenic	arsenic	JJ
12787	1496	10	or	or	CC
12787	1496	11	phosphorus	phosphorus	NN
12787	1496	12	,	,	,
12787	1496	13	special	special	JJ
12787	1496	14	precautions	precaution	NNS
12787	1496	15	are	be	VBP
12787	1496	16	necessary	necessary	JJ
12787	1496	17	to	to	TO
12787	1496	18	prevent	prevent	VB
12787	1496	19	damage	damage	NN
12787	1496	20	.	.	.
12787	1497	1	This	this	DT
12787	1497	2	statement	statement	NN
12787	1497	3	applies	apply	VBZ
12787	1497	4	to	to	IN
12787	1497	5	both	both	DT
12787	1497	6	fusions	fusion	NNS
12787	1497	7	and	and	CC
12787	1497	8	ignitions	ignition	NNS
12787	1497	9	.	.	.
12787	1498	1	Fusions	fusion	NNS
12787	1498	2	with	with	IN
12787	1498	3	sodium	sodium	NN
12787	1498	4	carbonate	carbonate	NN
12787	1498	5	can	can	MD
12787	1498	6	be	be	VB
12787	1498	7	made	make	VBN
12787	1498	8	only	only	RB
12787	1498	9	in	in	IN
12787	1498	10	platinum	platinum	NN
12787	1498	11	,	,	,
12787	1498	12	since	since	IN
12787	1498	13	porcelain	porcelain	NN
12787	1498	14	or	or	CC
12787	1498	15	silica	silica	NN
12787	1498	16	crucibles	crucible	NNS
12787	1498	17	are	be	VBP
12787	1498	18	attacked	attack	VBN
12787	1498	19	by	by	IN
12787	1498	20	this	this	DT
12787	1498	21	reagent	reagent	NN
12787	1498	22	.	.	.
12787	1499	1	Acid	acid	JJ
12787	1499	2	sulphate	sulphate	NN
12787	1499	3	fusions	fusion	NNS
12787	1499	4	,	,	,
12787	1499	5	which	which	WDT
12787	1499	6	require	require	VBP
12787	1499	7	comparatively	comparatively	RB
12787	1499	8	low	low	JJ
12787	1499	9	temperatures	temperature	NNS
12787	1499	10	,	,	,
12787	1499	11	can	can	MD
12787	1499	12	sometimes	sometimes	RB
12787	1499	13	be	be	VB
12787	1499	14	made	make	VBN
12787	1499	15	in	in	IN
12787	1499	16	platinum	platinum	NN
12787	1499	17	,	,	,
12787	1499	18	although	although	IN
12787	1499	19	platinum	platinum	NN
12787	1499	20	is	be	VBZ
12787	1499	21	slightly	slightly	RB
12787	1499	22	attacked	attack	VBN
12787	1499	23	by	by	IN
12787	1499	24	the	the	DT
12787	1499	25	flux	flux	NN
12787	1499	26	.	.	.
12787	1500	1	Porcelain	porcelain	NN
12787	1500	2	or	or	CC
12787	1500	3	silica	silica	NN
12787	1500	4	crucibles	crucible	NNS
12787	1500	5	may	may	MD
12787	1500	6	be	be	VB
12787	1500	7	used	use	VBN
12787	1500	8	with	with	IN
12787	1500	9	acid	acid	JJ
12787	1500	10	fluxes	flux	NNS
12787	1500	11	.	.	.
12787	1501	1	Silica	silica	NN
12787	1501	2	crucibles	crucible	NNS
12787	1501	3	are	be	VBP
12787	1501	4	less	less	RBR
12787	1501	5	likely	likely	JJ
12787	1501	6	to	to	TO
12787	1501	7	crack	crack	VB
12787	1501	8	on	on	IN
12787	1501	9	heating	heating	NN
12787	1501	10	than	than	IN
12787	1501	11	porcelain	porcelain	NN
12787	1501	12	crucibles	crucible	NNS
12787	1501	13	on	on	IN
12787	1501	14	account	account	NN
12787	1501	15	of	of	IN
12787	1501	16	their	-PRON-	PRP$
12787	1501	17	smaller	small	JJR
12787	1501	18	coefficient	coefficient	NN
12787	1501	19	of	of	IN
12787	1501	20	expansion	expansion	NN
12787	1501	21	.	.	.
12787	1502	1	Ignition	ignition	NN
12787	1502	2	of	of	IN
12787	1502	3	substances	substance	NNS
12787	1502	4	not	not	RB
12787	1502	5	requiring	require	VBG
12787	1502	6	too	too	RB
12787	1502	7	high	high	JJ
12787	1502	8	a	a	DT
12787	1502	9	temperature	temperature	NN
12787	1502	10	may	may	MD
12787	1502	11	be	be	VB
12787	1502	12	made	make	VBN
12787	1502	13	in	in	IN
12787	1502	14	porcelain	porcelain	NN
12787	1502	15	or	or	CC
12787	1502	16	silica	silica	NN
12787	1502	17	crucibles	crucible	NNS
12787	1502	18	.	.	.
12787	1503	1	Iron	iron	NN
12787	1503	2	,	,	,
12787	1503	3	nickel	nickel	NN
12787	1503	4	or	or	CC
12787	1503	5	silver	silver	NN
12787	1503	6	crucibles	crucible	NNS
12787	1503	7	are	be	VBP
12787	1503	8	used	use	VBN
12787	1503	9	in	in	IN
12787	1503	10	special	special	JJ
12787	1503	11	cases	case	NNS
12787	1503	12	.	.	.
12787	1504	1	In	in	IN
12787	1504	2	general	general	JJ
12787	1504	3	,	,	,
12787	1504	4	platinum	platinum	NN
12787	1504	5	crucibles	crucible	NNS
12787	1504	6	should	should	MD
12787	1504	7	be	be	VB
12787	1504	8	used	use	VBN
12787	1504	9	whenever	whenever	WRB
12787	1504	10	such	such	JJ
12787	1504	11	use	use	NN
12787	1504	12	is	be	VBZ
12787	1504	13	practicable	practicable	JJ
12787	1504	14	,	,	,
12787	1504	15	and	and	CC
12787	1504	16	this	this	DT
12787	1504	17	is	be	VBZ
12787	1504	18	the	the	DT
12787	1504	19	custom	custom	NN
12787	1504	20	in	in	IN
12787	1504	21	private	private	JJ
12787	1504	22	,	,	,
12787	1504	23	research	research	NN
12787	1504	24	or	or	CC
12787	1504	25	commercial	commercial	JJ
12787	1504	26	laboratories	laboratory	NNS
12787	1504	27	.	.	.
12787	1505	1	Platinum	platinum	NN
12787	1505	2	has	have	VBZ
12787	1505	3	,	,	,
12787	1505	4	however	however	RB
12787	1505	5	,	,	,
12787	1505	6	become	become	VB
12787	1505	7	so	so	RB
12787	1505	8	valuable	valuable	JJ
12787	1505	9	that	that	IN
12787	1505	10	it	-PRON-	PRP
12787	1505	11	is	be	VBZ
12787	1505	12	liable	liable	JJ
12787	1505	13	to	to	IN
12787	1505	14	theft	theft	NN
12787	1505	15	unless	unless	IN
12787	1505	16	constantly	constantly	RB
12787	1505	17	under	under	IN
12787	1505	18	the	the	DT
12787	1505	19	protection	protection	NN
12787	1505	20	of	of	IN
12787	1505	21	the	the	DT
12787	1505	22	user	user	NN
12787	1505	23	.	.	.
12787	1506	1	As	as	IN
12787	1506	2	constant	constant	JJ
12787	1506	3	protection	protection	NN
12787	1506	4	is	be	VBZ
12787	1506	5	often	often	RB
12787	1506	6	difficult	difficult	JJ
12787	1506	7	in	in	IN
12787	1506	8	instructional	instructional	JJ
12787	1506	9	laboratories	laboratory	NNS
12787	1506	10	,	,	,
12787	1506	11	it	-PRON-	PRP
12787	1506	12	is	be	VBZ
12787	1506	13	advisable	advisable	JJ
12787	1506	14	,	,	,
12787	1506	15	in	in	IN
12787	1506	16	order	order	NN
12787	1506	17	to	to	TO
12787	1506	18	avoid	avoid	VB
12787	1506	19	serious	serious	JJ
12787	1506	20	monetary	monetary	JJ
12787	1506	21	losses	loss	NNS
12787	1506	22	,	,	,
12787	1506	23	to	to	TO
12787	1506	24	use	use	VB
12787	1506	25	porcelain	porcelain	NN
12787	1506	26	or	or	CC
12787	1506	27	silica	silica	NN
12787	1506	28	crucibles	crucible	NNS
12787	1506	29	whenever	whenever	WRB
12787	1506	30	these	these	DT
12787	1506	31	will	will	MD
12787	1506	32	give	give	VB
12787	1506	33	satisfactory	satisfactory	JJ
12787	1506	34	service	service	NN
12787	1506	35	.	.	.
12787	1507	1	When	when	WRB
12787	1507	2	platinum	platinum	NN
12787	1507	3	utensils	utensil	NNS
12787	1507	4	are	be	VBP
12787	1507	5	used	use	VBN
12787	1507	6	the	the	DT
12787	1507	7	danger	danger	NN
12787	1507	8	of	of	IN
12787	1507	9	theft	theft	NN
12787	1507	10	should	should	MD
12787	1507	11	always	always	RB
12787	1507	12	be	be	VB
12787	1507	13	kept	keep	VBN
12787	1507	14	in	in	IN
12787	1507	15	mind	mind	NN
12787	1507	16	.	.	.
12787	1508	1	PREPARATION	preparation	NN
12787	1508	2	OF	of	IN
12787	1508	3	CRUCIBLES	crucible	NNS
12787	1508	4	FOR	for	IN
12787	1508	5	USE	use	NN
12787	1508	6	All	all	DT
12787	1508	7	crucibles	crucible	NNS
12787	1508	8	,	,	,
12787	1508	9	of	of	IN
12787	1508	10	whatever	whatever	WDT
12787	1508	11	material	material	NN
12787	1508	12	,	,	,
12787	1508	13	must	must	MD
12787	1508	14	always	always	RB
12787	1508	15	be	be	VB
12787	1508	16	cleaned	clean	VBN
12787	1508	17	,	,	,
12787	1508	18	ignited	ignite	VBN
12787	1508	19	and	and	CC
12787	1508	20	allowed	allow	VBN
12787	1508	21	to	to	TO
12787	1508	22	cool	cool	VB
12787	1508	23	in	in	IN
12787	1508	24	a	a	DT
12787	1508	25	desiccator	desiccator	NN
12787	1508	26	before	before	IN
12787	1508	27	weighing	weighing	NN
12787	1508	28	,	,	,
12787	1508	29	since	since	IN
12787	1508	30	all	all	DT
12787	1508	31	bodies	body	NNS
12787	1508	32	exposed	expose	VBN
12787	1508	33	to	to	IN
12787	1508	34	the	the	DT
12787	1508	35	air	air	NN
12787	1508	36	condense	condense	VB
12787	1508	37	on	on	IN
12787	1508	38	their	-PRON-	PRP$
12787	1508	39	surfaces	surface	NNS
12787	1508	40	a	a	DT
12787	1508	41	layer	layer	NN
12787	1508	42	of	of	IN
12787	1508	43	moisture	moisture	NN
12787	1508	44	which	which	WDT
12787	1508	45	increases	increase	VBZ
12787	1508	46	their	-PRON-	PRP$
12787	1508	47	weight	weight	NN
12787	1508	48	.	.	.
12787	1509	1	The	the	DT
12787	1509	2	amount	amount	NN
12787	1509	3	and	and	CC
12787	1509	4	weight	weight	NN
12787	1509	5	of	of	IN
12787	1509	6	this	this	DT
12787	1509	7	moisture	moisture	NN
12787	1509	8	varies	vary	VBZ
12787	1509	9	with	with	IN
12787	1509	10	the	the	DT
12787	1509	11	humidity	humidity	NN
12787	1509	12	of	of	IN
12787	1509	13	the	the	DT
12787	1509	14	atmosphere	atmosphere	NN
12787	1509	15	,	,	,
12787	1509	16	and	and	CC
12787	1509	17	the	the	DT
12787	1509	18	latter	latter	JJ
12787	1509	19	may	may	MD
12787	1509	20	change	change	VB
12787	1509	21	from	from	IN
12787	1509	22	hour	hour	NN
12787	1509	23	to	to	IN
12787	1509	24	hour	hour	NN
12787	1509	25	.	.	.
12787	1510	1	The	the	DT
12787	1510	2	air	air	NN
12787	1510	3	in	in	IN
12787	1510	4	the	the	DT
12787	1510	5	desiccator	desiccator	NN
12787	1510	6	(	(	-LRB-
12787	1510	7	see	see	VB
12787	1510	8	above	above	RB
12787	1510	9	)	)	-RRB-
12787	1510	10	is	be	VBZ
12787	1510	11	kept	keep	VBN
12787	1510	12	at	at	IN
12787	1510	13	a	a	DT
12787	1510	14	constant	constant	JJ
12787	1510	15	and	and	CC
12787	1510	16	low	low	JJ
12787	1510	17	humidity	humidity	NN
12787	1510	18	by	by	IN
12787	1510	19	the	the	DT
12787	1510	20	drying	drying	NN
12787	1510	21	agent	agent	NN
12787	1510	22	which	which	WDT
12787	1510	23	it	-PRON-	PRP
12787	1510	24	contains	contain	VBZ
12787	1510	25	.	.	.
12787	1511	1	Bodies	body	NNS
12787	1511	2	which	which	WDT
12787	1511	3	remain	remain	VBP
12787	1511	4	in	in	IN
12787	1511	5	a	a	DT
12787	1511	6	desiccator	desiccator	NN
12787	1511	7	for	for	IN
12787	1511	8	a	a	DT
12787	1511	9	sufficient	sufficient	JJ
12787	1511	10	time	time	NN
12787	1511	11	(	(	-LRB-
12787	1511	12	usually	usually	RB
12787	1511	13	20	20	CD
12787	1511	14	-	-	SYM
12787	1511	15	30	30	CD
12787	1511	16	minutes	minute	NNS
12787	1511	17	)	)	-RRB-
12787	1511	18	retain	retain	VBP
12787	1511	19	,	,	,
12787	1511	20	therefore	therefore	RB
12787	1511	21	,	,	,
12787	1511	22	on	on	IN
12787	1511	23	their	-PRON-	PRP$
12787	1511	24	surfaces	surface	NNS
12787	1511	25	a	a	DT
12787	1511	26	constant	constant	JJ
12787	1511	27	weight	weight	NN
12787	1511	28	of	of	IN
12787	1511	29	moisture	moisture	NN
12787	1511	30	which	which	WDT
12787	1511	31	is	be	VBZ
12787	1511	32	the	the	DT
12787	1511	33	same	same	JJ
12787	1511	34	day	day	NN
12787	1511	35	after	after	IN
12787	1511	36	day	day	NN
12787	1511	37	,	,	,
12787	1511	38	thus	thus	RB
12787	1511	39	insuring	insure	VBG
12787	1511	40	constant	constant	JJ
12787	1511	41	conditions	condition	NNS
12787	1511	42	.	.	.
12787	1512	1	Hot	hot	JJ
12787	1512	2	objects	object	NNS
12787	1512	3	,	,	,
12787	1512	4	such	such	JJ
12787	1512	5	as	as	IN
12787	1512	6	ignited	ignited	JJ
12787	1512	7	crucibles	crucible	NNS
12787	1512	8	,	,	,
12787	1512	9	should	should	MD
12787	1512	10	be	be	VB
12787	1512	11	allowed	allow	VBN
12787	1512	12	to	to	TO
12787	1512	13	cool	cool	VB
12787	1512	14	in	in	IN
12787	1512	15	the	the	DT
12787	1512	16	air	air	NN
12787	1512	17	until	until	IN
12787	1512	18	,	,	,
12787	1512	19	when	when	WRB
12787	1512	20	held	hold	VBN
12787	1512	21	near	near	IN
12787	1512	22	the	the	DT
12787	1512	23	skin	skin	NN
12787	1512	24	,	,	,
12787	1512	25	but	but	CC
12787	1512	26	little	little	JJ
12787	1512	27	heat	heat	NN
12787	1512	28	is	be	VBZ
12787	1512	29	noticeable	noticeable	JJ
12787	1512	30	.	.	.
12787	1513	1	If	if	IN
12787	1513	2	this	this	DT
12787	1513	3	precaution	precaution	NN
12787	1513	4	is	be	VBZ
12787	1513	5	not	not	RB
12787	1513	6	taken	take	VBN
12787	1513	7	,	,	,
12787	1513	8	the	the	DT
12787	1513	9	air	air	NN
12787	1513	10	within	within	IN
12787	1513	11	the	the	DT
12787	1513	12	desiccator	desiccator	NN
12787	1513	13	is	be	VBZ
12787	1513	14	strongly	strongly	RB
12787	1513	15	heated	heated	JJ
12787	1513	16	and	and	CC
12787	1513	17	expands	expand	VBZ
12787	1513	18	before	before	IN
12787	1513	19	the	the	DT
12787	1513	20	desiccator	desiccator	NN
12787	1513	21	is	be	VBZ
12787	1513	22	covered	cover	VBN
12787	1513	23	.	.	.
12787	1514	1	As	as	IN
12787	1514	2	the	the	DT
12787	1514	3	temperature	temperature	NN
12787	1514	4	falls	fall	VBZ
12787	1514	5	,	,	,
12787	1514	6	the	the	DT
12787	1514	7	air	air	NN
12787	1514	8	contracts	contract	NNS
12787	1514	9	,	,	,
12787	1514	10	causing	cause	VBG
12787	1514	11	a	a	DT
12787	1514	12	reduction	reduction	NN
12787	1514	13	of	of	IN
12787	1514	14	air	air	NN
12787	1514	15	pressure	pressure	NN
12787	1514	16	within	within	IN
12787	1514	17	the	the	DT
12787	1514	18	covered	cover	VBN
12787	1514	19	vessel	vessel	NN
12787	1514	20	.	.	.
12787	1515	1	When	when	WRB
12787	1515	2	the	the	DT
12787	1515	3	cover	cover	NN
12787	1515	4	is	be	VBZ
12787	1515	5	removed	remove	VBN
12787	1515	6	(	(	-LRB-
12787	1515	7	which	which	WDT
12787	1515	8	is	be	VBZ
12787	1515	9	often	often	RB
12787	1515	10	rendered	render	VBN
12787	1515	11	difficult	difficult	JJ
12787	1515	12	)	)	-RRB-
12787	1515	13	the	the	DT
12787	1515	14	inrush	inrush	NN
12787	1515	15	of	of	IN
12787	1515	16	air	air	NN
12787	1515	17	from	from	IN
12787	1515	18	the	the	DT
12787	1515	19	outside	outside	NN
12787	1515	20	may	may	MD
12787	1515	21	sweep	sweep	VB
12787	1515	22	light	light	JJ
12787	1515	23	particles	particle	NNS
12787	1515	24	out	out	IN
12787	1515	25	of	of	IN
12787	1515	26	a	a	DT
12787	1515	27	crucible	crucible	JJ
12787	1515	28	,	,	,
12787	1515	29	thus	thus	RB
12787	1515	30	ruining	ruin	VBG
12787	1515	31	an	an	DT
12787	1515	32	entire	entire	JJ
12787	1515	33	analysis	analysis	NN
12787	1515	34	.	.	.
12787	1516	1	Constant	constant	JJ
12787	1516	2	heating	heating	NN
12787	1516	3	of	of	IN
12787	1516	4	platinum	platinum	NN
12787	1516	5	causes	cause	VBZ
12787	1516	6	a	a	DT
12787	1516	7	slight	slight	JJ
12787	1516	8	crystallization	crystallization	NN
12787	1516	9	of	of	IN
12787	1516	10	the	the	DT
12787	1516	11	surface	surface	NN
12787	1516	12	which	which	WDT
12787	1516	13	,	,	,
12787	1516	14	if	if	IN
12787	1516	15	not	not	RB
12787	1516	16	removed	remove	VBN
12787	1516	17	,	,	,
12787	1516	18	penetrates	penetrate	NNS
12787	1516	19	into	into	IN
12787	1516	20	the	the	DT
12787	1516	21	crucible	crucible	NN
12787	1516	22	.	.	.
12787	1517	1	Gentle	gentle	JJ
12787	1517	2	polishing	polishing	NN
12787	1517	3	of	of	IN
12787	1517	4	the	the	DT
12787	1517	5	surface	surface	NN
12787	1517	6	destroys	destroy	VBZ
12787	1517	7	the	the	DT
12787	1517	8	crystalline	crystalline	NN
12787	1517	9	structure	structure	NN
12787	1517	10	and	and	CC
12787	1517	11	prevents	prevent	VBZ
12787	1517	12	further	further	JJ
12787	1517	13	damage	damage	NN
12787	1517	14	.	.	.
12787	1518	1	If	if	IN
12787	1518	2	sea	sea	NN
12787	1518	3	sand	sand	NN
12787	1518	4	is	be	VBZ
12787	1518	5	used	use	VBN
12787	1518	6	for	for	IN
12787	1518	7	this	this	DT
12787	1518	8	purpose	purpose	NN
12787	1518	9	,	,	,
12787	1518	10	great	great	JJ
12787	1518	11	care	care	NN
12787	1518	12	is	be	VBZ
12787	1518	13	necessary	necessary	JJ
12787	1518	14	to	to	TO
12787	1518	15	keep	keep	VB
12787	1518	16	it	-PRON-	PRP
12787	1518	17	from	from	IN
12787	1518	18	the	the	DT
12787	1518	19	desk	desk	NN
12787	1518	20	,	,	,
12787	1518	21	since	since	IN
12787	1518	22	beakers	beaker	NNS
12787	1518	23	are	be	VBP
12787	1518	24	easily	easily	RB
12787	1518	25	scratched	scratch	VBN
12787	1518	26	by	by	IN
12787	1518	27	it	-PRON-	PRP
12787	1518	28	,	,	,
12787	1518	29	and	and	CC
12787	1518	30	subsequently	subsequently	RB
12787	1518	31	crack	crack	VBP
12787	1518	32	on	on	IN
12787	1518	33	heating	heating	NN
12787	1518	34	.	.	.
12787	1519	1	Platinum	platinum	NN
12787	1519	2	crucibles	crucible	NNS
12787	1519	3	stained	stain	VBN
12787	1519	4	in	in	IN
12787	1519	5	use	use	NN
12787	1519	6	may	may	MD
12787	1519	7	often	often	RB
12787	1519	8	be	be	VB
12787	1519	9	cleaned	clean	VBN
12787	1519	10	by	by	IN
12787	1519	11	the	the	DT
12787	1519	12	fusion	fusion	NN
12787	1519	13	in	in	IN
12787	1519	14	them	-PRON-	PRP
12787	1519	15	of	of	IN
12787	1519	16	potassium	potassium	NN
12787	1519	17	or	or	CC
12787	1519	18	sodium	sodium	NN
12787	1519	19	acid	acid	NN
12787	1519	20	sulphate	sulphate	NN
12787	1519	21	,	,	,
12787	1519	22	or	or	CC
12787	1519	23	by	by	IN
12787	1519	24	heating	heat	VBG
12787	1519	25	with	with	IN
12787	1519	26	ammonium	ammonium	NN
12787	1519	27	chloride	chloride	NN
12787	1519	28	.	.	.
12787	1520	1	If	if	IN
12787	1520	2	the	the	DT
12787	1520	3	former	former	JJ
12787	1520	4	is	be	VBZ
12787	1520	5	used	use	VBN
12787	1520	6	,	,	,
12787	1520	7	care	care	NN
12787	1520	8	should	should	MD
12787	1520	9	be	be	VB
12787	1520	10	taken	take	VBN
12787	1520	11	not	not	RB
12787	1520	12	to	to	TO
12787	1520	13	heat	heat	VB
12787	1520	14	so	so	RB
12787	1520	15	strongly	strongly	RB
12787	1520	16	as	as	IN
12787	1520	17	to	to	TO
12787	1520	18	expel	expel	VB
12787	1520	19	all	all	DT
12787	1520	20	of	of	IN
12787	1520	21	the	the	DT
12787	1520	22	sulphuric	sulphuric	JJ
12787	1520	23	acid	acid	NN
12787	1520	24	,	,	,
12787	1520	25	since	since	IN
12787	1520	26	the	the	DT
12787	1520	27	normal	normal	JJ
12787	1520	28	sulphates	sulphate	NNS
12787	1520	29	sometimes	sometimes	RB
12787	1520	30	expand	expand	VBP
12787	1520	31	so	so	RB
12787	1520	32	rapidly	rapidly	RB
12787	1520	33	on	on	RB
12787	1520	34	cooling	cool	VBG
12787	1520	35	as	as	IN
12787	1520	36	to	to	TO
12787	1520	37	split	split	VB
12787	1520	38	the	the	DT
12787	1520	39	crucible	crucible	NN
12787	1520	40	.	.	.
12787	1521	1	The	the	DT
12787	1521	2	fused	fuse	VBN
12787	1521	3	material	material	NN
12787	1521	4	should	should	MD
12787	1521	5	be	be	VB
12787	1521	6	poured	pour	VBN
12787	1521	7	out	out	RP
12787	1521	8	,	,	,
12787	1521	9	while	while	IN
12787	1521	10	hot	hot	JJ
12787	1521	11	,	,	,
12787	1521	12	on	on	RB
12787	1521	13	to	to	IN
12787	1521	14	a	a	DT
12787	1521	15	!	!	.
12787	1521	16	dry	dry	JJ
12787	1521	17	!	!	.
12787	1522	1	tile	tile	NN
12787	1522	2	or	or	CC
12787	1522	3	iron	iron	NN
12787	1522	4	surface	surface	NN
12787	1522	5	.	.	.
12787	1523	1	IGNITION	ignition	NN
12787	1523	2	OF	of	IN
12787	1523	3	PRECIPITATES	precipitate	NNS
12787	1523	4	Most	Most	JJS
12787	1523	5	precipitates	precipitate	NNS
12787	1523	6	may	may	MD
12787	1523	7	,	,	,
12787	1523	8	if	if	IN
12787	1523	9	proper	proper	JJ
12787	1523	10	precautions	precaution	NNS
12787	1523	11	are	be	VBP
12787	1523	12	taken	take	VBN
12787	1523	13	,	,	,
12787	1523	14	be	be	VB
12787	1523	15	ignited	ignite	VBN
12787	1523	16	without	without	IN
12787	1523	17	previous	previous	JJ
12787	1523	18	drying	drying	NN
12787	1523	19	.	.	.
12787	1524	1	If	if	IN
12787	1524	2	,	,	,
12787	1524	3	however	however	RB
12787	1524	4	,	,	,
12787	1524	5	such	such	JJ
12787	1524	6	precipitates	precipitate	NNS
12787	1524	7	can	can	MD
12787	1524	8	be	be	VB
12787	1524	9	dried	dry	VBN
12787	1524	10	without	without	IN
12787	1524	11	loss	loss	NN
12787	1524	12	of	of	IN
12787	1524	13	time	time	NN
12787	1524	14	to	to	IN
12787	1524	15	the	the	DT
12787	1524	16	analyst	analyst	NN
12787	1524	17	(	(	-LRB-
12787	1524	18	as	as	IN
12787	1524	19	,	,	,
12787	1524	20	for	for	IN
12787	1524	21	example	example	NN
12787	1524	22	,	,	,
12787	1524	23	over	over	IN
12787	1524	24	night	night	NN
12787	1524	25	)	)	-RRB-
12787	1524	26	,	,	,
12787	1524	27	it	-PRON-	PRP
12787	1524	28	is	be	VBZ
12787	1524	29	well	well	JJ
12787	1524	30	to	to	TO
12787	1524	31	submit	submit	VB
12787	1524	32	them	-PRON-	PRP
12787	1524	33	to	to	IN
12787	1524	34	this	this	DT
12787	1524	35	process	process	NN
12787	1524	36	.	.	.
12787	1525	1	It	-PRON-	PRP
12787	1525	2	should	should	MD
12787	1525	3	,	,	,
12787	1525	4	nevertheless	nevertheless	RB
12787	1525	5	,	,	,
12787	1525	6	be	be	VB
12787	1525	7	remembered	remember	VBN
12787	1525	8	that	that	IN
12787	1525	9	a	a	DT
12787	1525	10	partially	partially	RB
12787	1525	11	dried	dry	VBN
12787	1525	12	precipitate	precipitate	NN
12787	1525	13	often	often	RB
12787	1525	14	requires	require	VBZ
12787	1525	15	more	more	JJR
12787	1525	16	care	care	NN
12787	1525	17	during	during	IN
12787	1525	18	ignition	ignition	NN
12787	1525	19	than	than	IN
12787	1525	20	a	a	DT
12787	1525	21	thoroughly	thoroughly	RB
12787	1525	22	moist	moist	JJ
12787	1525	23	one	one	CD
12787	1525	24	.	.	.
12787	1526	1	The	the	DT
12787	1526	2	details	detail	NNS
12787	1526	3	of	of	IN
12787	1526	4	the	the	DT
12787	1526	5	ignition	ignition	NN
12787	1526	6	of	of	IN
12787	1526	7	precipitates	precipitate	NNS
12787	1526	8	vary	vary	VBP
12787	1526	9	so	so	RB
12787	1526	10	much	much	RB
12787	1526	11	with	with	IN
12787	1526	12	the	the	DT
12787	1526	13	character	character	NN
12787	1526	14	of	of	IN
12787	1526	15	the	the	DT
12787	1526	16	precipitate	precipitate	NN
12787	1526	17	,	,	,
12787	1526	18	its	-PRON-	PRP$
12787	1526	19	moisture	moisture	NN
12787	1526	20	content	content	NN
12787	1526	21	,	,	,
12787	1526	22	and	and	CC
12787	1526	23	temperature	temperature	NN
12787	1526	24	to	to	TO
12787	1526	25	which	which	WDT
12787	1526	26	it	-PRON-	PRP
12787	1526	27	is	be	VBZ
12787	1526	28	to	to	TO
12787	1526	29	be	be	VB
12787	1526	30	heated	heat	VBN
12787	1526	31	,	,	,
12787	1526	32	that	that	IN
12787	1526	33	these	these	DT
12787	1526	34	details	detail	NNS
12787	1526	35	will	will	MD
12787	1526	36	be	be	VB
12787	1526	37	given	give	VBN
12787	1526	38	under	under	IN
12787	1526	39	the	the	DT
12787	1526	40	various	various	JJ
12787	1526	41	procedures	procedure	NNS
12787	1526	42	which	which	WDT
12787	1526	43	follow	follow	VBP
12787	1526	44	.	.	.
12787	1527	1	DETERMINATION	determination	NN
12787	1527	2	OF	of	IN
12787	1527	3	CHLORINE	CHLORINE	NNP
12787	1527	4	IN	in	IN
12787	1527	5	SODIUM	SODIUM	NNP
12787	1527	6	CHLORIDE	CHLORIDE	NNP
12787	1527	7	!	!	.
12787	1527	8	Method	Method	NNP
12787	1527	9	A.	a.	NN
12787	1528	1	With	with	IN
12787	1528	2	the	the	DT
12787	1528	3	Use	Use	NNP
12787	1528	4	of	of	IN
12787	1528	5	a	a	DT
12787	1528	6	Gooch	Gooch	NNP
12787	1528	7	Filter	Filter	NNP
12787	1528	8	!	!	.
12787	1529	1	PROCEDURE.--Carefully	procedure.--carefully	RB
12787	1529	2	clean	clean	VB
12787	1529	3	a	a	DT
12787	1529	4	weighing	weighing	JJ
12787	1529	5	-	-	HYPH
12787	1529	6	tube	tube	NN
12787	1529	7	containing	contain	VBG
12787	1529	8	the	the	DT
12787	1529	9	sodium	sodium	NN
12787	1529	10	chloride	chloride	NN
12787	1529	11	,	,	,
12787	1529	12	handling	handle	VBG
12787	1529	13	it	-PRON-	PRP
12787	1529	14	as	as	RB
12787	1529	15	little	little	JJ
12787	1529	16	as	as	IN
12787	1529	17	possible	possible	JJ
12787	1529	18	with	with	IN
12787	1529	19	the	the	DT
12787	1529	20	moist	moist	JJ
12787	1529	21	fingers	finger	NNS
12787	1529	22	,	,	,
12787	1529	23	and	and	CC
12787	1529	24	weigh	weigh	VB
12787	1529	25	it	-PRON-	PRP
12787	1529	26	accurately	accurately	RB
12787	1529	27	to	to	IN
12787	1529	28	0.0001	0.0001	CD
12787	1529	29	gram	gram	NN
12787	1529	30	,	,	,
12787	1529	31	recording	record	VBG
12787	1529	32	the	the	DT
12787	1529	33	weight	weight	NN
12787	1529	34	at	at	IN
12787	1529	35	once	once	RB
12787	1529	36	in	in	IN
12787	1529	37	the	the	DT
12787	1529	38	notebook	notebook	NN
12787	1529	39	(	(	-LRB-
12787	1529	40	see	see	VB
12787	1529	41	Appendix	Appendix	NNP
12787	1529	42	)	)	-RRB-
12787	1529	43	.	.	.
12787	1530	1	Hold	hold	VB
12787	1530	2	the	the	DT
12787	1530	3	tube	tube	NN
12787	1530	4	over	over	IN
12787	1530	5	the	the	DT
12787	1530	6	top	top	NN
12787	1530	7	of	of	IN
12787	1530	8	a	a	DT
12787	1530	9	beaker	beaker	NN
12787	1530	10	(	(	-LRB-
12787	1530	11	200	200	CD
12787	1530	12	-	-	SYM
12787	1530	13	300	300	CD
12787	1530	14	cc	cc	NN
12787	1530	15	.	.	.
12787	1531	1	)	)	-RRB-
12787	1531	2	,	,	,
12787	1531	3	and	and	CC
12787	1531	4	cautiously	cautiously	RB
12787	1531	5	remove	remove	VB
12787	1531	6	the	the	DT
12787	1531	7	stopper	stopper	NN
12787	1531	8	,	,	,
12787	1531	9	noting	note	VBG
12787	1531	10	carefully	carefully	RB
12787	1531	11	that	that	IN
12787	1531	12	no	no	DT
12787	1531	13	particles	particle	NNS
12787	1531	14	fall	fall	VBP
12787	1531	15	from	from	IN
12787	1531	16	it	-PRON-	PRP
12787	1531	17	,	,	,
12787	1531	18	or	or	CC
12787	1531	19	from	from	IN
12787	1531	20	the	the	DT
12787	1531	21	tube	tube	NN
12787	1531	22	,	,	,
12787	1531	23	elsewhere	elsewhere	RB
12787	1531	24	than	than	IN
12787	1531	25	into	into	IN
12787	1531	26	the	the	DT
12787	1531	27	beaker	beaker	NN
12787	1531	28	.	.	.
12787	1532	1	Pour	pour	VB
12787	1532	2	out	out	RP
12787	1532	3	a	a	DT
12787	1532	4	small	small	JJ
12787	1532	5	portion	portion	NN
12787	1532	6	of	of	IN
12787	1532	7	the	the	DT
12787	1532	8	chloride	chloride	NN
12787	1532	9	,	,	,
12787	1532	10	replace	replace	VB
12787	1532	11	the	the	DT
12787	1532	12	stopper	stopper	NN
12787	1532	13	,	,	,
12787	1532	14	and	and	CC
12787	1532	15	determine	determine	VB
12787	1532	16	by	by	IN
12787	1532	17	approximate	approximate	JJ
12787	1532	18	weighing	weighing	NN
12787	1532	19	how	how	WRB
12787	1532	20	much	much	JJ
12787	1532	21	has	have	VBZ
12787	1532	22	been	be	VBN
12787	1532	23	removed	remove	VBN
12787	1532	24	.	.	.
12787	1533	1	Continue	continue	VB
12787	1533	2	this	this	DT
12787	1533	3	procedure	procedure	NN
12787	1533	4	until	until	IN
12787	1533	5	0.25	0.25	CD
12787	1533	6	-	-	HYPH
12787	1533	7	0.30	0.30	CD
12787	1533	8	gram	gram	NN
12787	1533	9	has	have	VBZ
12787	1533	10	been	be	VBN
12787	1533	11	taken	take	VBN
12787	1533	12	from	from	IN
12787	1533	13	the	the	DT
12787	1533	14	tube	tube	NN
12787	1533	15	,	,	,
12787	1533	16	then	then	RB
12787	1533	17	weigh	weigh	VB
12787	1533	18	accurately	accurately	RB
12787	1533	19	and	and	CC
12787	1533	20	record	record	VB
12787	1533	21	the	the	DT
12787	1533	22	weight	weight	NN
12787	1533	23	beneath	beneath	IN
12787	1533	24	the	the	DT
12787	1533	25	first	first	JJ
12787	1533	26	in	in	IN
12787	1533	27	the	the	DT
12787	1533	28	notebook	notebook	NN
12787	1533	29	.	.	.
12787	1534	1	The	the	DT
12787	1534	2	difference	difference	NN
12787	1534	3	of	of	IN
12787	1534	4	the	the	DT
12787	1534	5	two	two	CD
12787	1534	6	weights	weight	NNS
12787	1534	7	represents	represent	VBZ
12787	1534	8	the	the	DT
12787	1534	9	weight	weight	NN
12787	1534	10	of	of	IN
12787	1534	11	the	the	DT
12787	1534	12	chloride	chloride	NN
12787	1534	13	taken	take	VBN
12787	1534	14	for	for	IN
12787	1534	15	analysis	analysis	NN
12787	1534	16	.	.	.
12787	1535	1	Again	again	RB
12787	1535	2	weigh	weigh	VB
12787	1535	3	a	a	DT
12787	1535	4	second	second	JJ
12787	1535	5	portion	portion	NN
12787	1535	6	of	of	IN
12787	1535	7	0.25	0.25	CD
12787	1535	8	-	-	HYPH
12787	1535	9	0.30	0.30	CD
12787	1535	10	gram	gram	NN
12787	1535	11	into	into	IN
12787	1535	12	a	a	DT
12787	1535	13	second	second	JJ
12787	1535	14	beaker	beaker	NN
12787	1535	15	of	of	IN
12787	1535	16	the	the	DT
12787	1535	17	same	same	JJ
12787	1535	18	size	size	NN
12787	1535	19	as	as	IN
12787	1535	20	the	the	DT
12787	1535	21	first	first	JJ
12787	1535	22	.	.	.
12787	1536	1	The	the	DT
12787	1536	2	beakers	beaker	NNS
12787	1536	3	should	should	MD
12787	1536	4	be	be	VB
12787	1536	5	plainly	plainly	RB
12787	1536	6	marked	mark	VBN
12787	1536	7	to	to	TO
12787	1536	8	correspond	correspond	VB
12787	1536	9	with	with	IN
12787	1536	10	the	the	DT
12787	1536	11	entries	entry	NNS
12787	1536	12	in	in	IN
12787	1536	13	the	the	DT
12787	1536	14	notebook	notebook	NN
12787	1536	15	.	.	.
12787	1537	1	Dissolve	dissolve	VB
12787	1537	2	each	each	DT
12787	1537	3	portion	portion	NN
12787	1537	4	of	of	IN
12787	1537	5	the	the	DT
12787	1537	6	chloride	chloride	NN
12787	1537	7	in	in	IN
12787	1537	8	150	150	CD
12787	1537	9	cc	cc	NN
12787	1537	10	.	.	.
12787	1538	1	of	of	IN
12787	1538	2	distilled	distil	VBN
12787	1538	3	water	water	NN
12787	1538	4	and	and	CC
12787	1538	5	add	add	VB
12787	1538	6	about	about	RB
12787	1538	7	ten	ten	CD
12787	1538	8	drops	drop	NNS
12787	1538	9	of	of	IN
12787	1538	10	dilute	dilute	JJ
12787	1538	11	nitric	nitric	NNP
12787	1538	12	acid	acid	NNP
12787	1538	13	(	(	-LRB-
12787	1538	14	sp	sp	NNP
12787	1538	15	.	.	.
12787	1539	1	gr	gr	NNP
12787	1539	2	.	.	.
12787	1540	1	1.20	1.20	LS
12787	1540	2	)	)	-RRB-
12787	1540	3	(	(	-LRB-
12787	1540	4	Note	note	NN
12787	1540	5	2	2	CD
12787	1540	6	)	)	-RRB-
12787	1540	7	.	.	.
12787	1541	1	Calculate	calculate	VB
12787	1541	2	the	the	DT
12787	1541	3	volume	volume	NN
12787	1541	4	of	of	IN
12787	1541	5	silver	silver	NN
12787	1541	6	nitrate	nitrate	JJ
12787	1541	7	solution	solution	NN
12787	1541	8	required	require	VBN
12787	1541	9	to	to	TO
12787	1541	10	effect	effect	VB
12787	1541	11	complete	complete	JJ
12787	1541	12	precipitation	precipitation	NN
12787	1541	13	in	in	IN
12787	1541	14	each	each	DT
12787	1541	15	case	case	NN
12787	1541	16	,	,	,
12787	1541	17	and	and	CC
12787	1541	18	add	add	VB
12787	1541	19	slowly	slowly	RB
12787	1541	20	about	about	RB
12787	1541	21	5	5	CD
12787	1541	22	cc	cc	NN
12787	1541	23	.	.	.
12787	1542	1	in	in	IN
12787	1542	2	excess	excess	NN
12787	1542	3	of	of	IN
12787	1542	4	that	that	DT
12787	1542	5	amount	amount	NN
12787	1542	6	,	,	,
12787	1542	7	with	with	IN
12787	1542	8	constant	constant	JJ
12787	1542	9	stirring	stirring	NN
12787	1542	10	.	.	.
12787	1543	1	Heat	heat	VB
12787	1543	2	the	the	DT
12787	1543	3	solutions	solution	NNS
12787	1543	4	cautiously	cautiously	RB
12787	1543	5	to	to	IN
12787	1543	6	boiling	boil	VBG
12787	1543	7	,	,	,
12787	1543	8	stirring	stir	VBG
12787	1543	9	occasionally	occasionally	RB
12787	1543	10	,	,	,
12787	1543	11	and	and	CC
12787	1543	12	continue	continue	VB
12787	1543	13	the	the	DT
12787	1543	14	heating	heating	NN
12787	1543	15	and	and	CC
12787	1543	16	stirring	stir	VBG
12787	1543	17	until	until	IN
12787	1543	18	the	the	DT
12787	1543	19	precipitates	precipitate	NNS
12787	1543	20	settle	settle	VBP
12787	1543	21	promptly	promptly	RB
12787	1543	22	,	,	,
12787	1543	23	leaving	leave	VBG
12787	1543	24	a	a	DT
12787	1543	25	nearly	nearly	RB
12787	1543	26	clear	clear	JJ
12787	1543	27	supernatant	supernatant	JJ
12787	1543	28	liquid	liquid	NN
12787	1543	29	(	(	-LRB-
12787	1543	30	Note	note	NN
12787	1543	31	3	3	CD
12787	1543	32	)	)	-RRB-
12787	1543	33	.	.	.
12787	1544	1	This	this	DT
12787	1544	2	heating	heating	NN
12787	1544	3	should	should	MD
12787	1544	4	not	not	RB
12787	1544	5	take	take	VB
12787	1544	6	place	place	NN
12787	1544	7	in	in	IN
12787	1544	8	direct	direct	JJ
12787	1544	9	sunlight	sunlight	NN
12787	1544	10	(	(	-LRB-
12787	1544	11	Note	note	NN
12787	1544	12	4	4	CD
12787	1544	13	)	)	-RRB-
12787	1544	14	.	.	.
12787	1545	1	The	the	DT
12787	1545	2	beaker	beaker	NN
12787	1545	3	should	should	MD
12787	1545	4	be	be	VB
12787	1545	5	covered	cover	VBN
12787	1545	6	with	with	IN
12787	1545	7	a	a	DT
12787	1545	8	watch	watch	NN
12787	1545	9	-	-	HYPH
12787	1545	10	glass	glass	NN
12787	1545	11	,	,	,
12787	1545	12	and	and	CC
12787	1545	13	both	both	CC
12787	1545	14	boiling	boil	VBG
12787	1545	15	and	and	CC
12787	1545	16	stirring	stir	VBG
12787	1545	17	so	so	RB
12787	1545	18	regulated	regulated	JJ
12787	1545	19	as	as	IN
12787	1545	20	to	to	TO
12787	1545	21	preclude	preclude	VB
12787	1545	22	any	any	DT
12787	1545	23	possibility	possibility	NN
12787	1545	24	of	of	IN
12787	1545	25	loss	loss	NN
12787	1545	26	of	of	IN
12787	1545	27	material	material	NN
12787	1545	28	.	.	.
12787	1546	1	Add	add	VB
12787	1546	2	to	to	IN
12787	1546	3	the	the	DT
12787	1546	4	clear	clear	JJ
12787	1546	5	liquid	liquid	NN
12787	1546	6	one	one	CD
12787	1546	7	or	or	CC
12787	1546	8	two	two	CD
12787	1546	9	drops	drop	NNS
12787	1546	10	of	of	IN
12787	1546	11	silver	silver	NN
12787	1546	12	nitrate	nitrate	JJ
12787	1546	13	solution	solution	NN
12787	1546	14	,	,	,
12787	1546	15	to	to	TO
12787	1546	16	make	make	VB
12787	1546	17	sure	sure	JJ
12787	1546	18	that	that	IN
12787	1546	19	an	an	DT
12787	1546	20	excess	excess	NN
12787	1546	21	of	of	IN
12787	1546	22	the	the	DT
12787	1546	23	reagent	reagent	NN
12787	1546	24	is	be	VBZ
12787	1546	25	present	present	JJ
12787	1546	26	.	.	.
12787	1547	1	If	if	IN
12787	1547	2	a	a	DT
12787	1547	3	precipitate	precipitate	NN
12787	1547	4	,	,	,
12787	1547	5	or	or	CC
12787	1547	6	cloudiness	cloudiness	NN
12787	1547	7	,	,	,
12787	1547	8	appears	appear	VBZ
12787	1547	9	as	as	IN
12787	1547	10	the	the	DT
12787	1547	11	drops	drop	NNS
12787	1547	12	fall	fall	VBP
12787	1547	13	into	into	IN
12787	1547	14	the	the	DT
12787	1547	15	solution	solution	NN
12787	1547	16	,	,	,
12787	1547	17	heat	heat	NN
12787	1547	18	again	again	RB
12787	1547	19	,	,	,
12787	1547	20	and	and	CC
12787	1547	21	stir	stir	VB
12787	1547	22	until	until	IN
12787	1547	23	the	the	DT
12787	1547	24	whole	whole	JJ
12787	1547	25	precipitate	precipitate	NN
12787	1547	26	has	have	VBZ
12787	1547	27	coagulated	coagulate	VBN
12787	1547	28	.	.	.
12787	1548	1	The	the	DT
12787	1548	2	solution	solution	NN
12787	1548	3	is	be	VBZ
12787	1548	4	then	then	RB
12787	1548	5	ready	ready	JJ
12787	1548	6	for	for	IN
12787	1548	7	filtration	filtration	NN
12787	1548	8	.	.	.
12787	1549	1	Prepare	prepare	VB
12787	1549	2	a	a	DT
12787	1549	3	Gooch	Gooch	NNP
12787	1549	4	filter	filter	NN
12787	1549	5	as	as	IN
12787	1549	6	follows	follow	VBZ
12787	1549	7	:	:	:
12787	1549	8	Fold	fold	VB
12787	1549	9	over	over	IN
12787	1549	10	the	the	DT
12787	1549	11	top	top	NN
12787	1549	12	of	of	IN
12787	1549	13	a	a	DT
12787	1549	14	Gooch	Gooch	NNP
12787	1549	15	funnel	funnel	NN
12787	1549	16	(	(	-LRB-
12787	1549	17	Fig	fig	NN
12787	1549	18	.	.	.
12787	1550	1	2	2	LS
12787	1550	2	)	)	-RRB-
12787	1550	3	a	a	DT
12787	1550	4	piece	piece	NN
12787	1550	5	of	of	IN
12787	1550	6	rubber	rubber	NN
12787	1550	7	-	-	HYPH
12787	1550	8	band	band	NN
12787	1550	9	tubing	tubing	NN
12787	1550	10	,	,	,
12787	1550	11	such	such	JJ
12787	1550	12	as	as	IN
12787	1550	13	is	be	VBZ
12787	1550	14	known	know	VBN
12787	1550	15	as	as	IN
12787	1550	16	"	"	``
12787	1550	17	bill	bill	NN
12787	1550	18	-	-	HYPH
12787	1550	19	tie	tie	NN
12787	1550	20	"	"	''
12787	1550	21	tubing	tubing	NN
12787	1550	22	,	,	,
12787	1550	23	and	and	CC
12787	1550	24	fit	fit	VB
12787	1550	25	into	into	IN
12787	1550	26	the	the	DT
12787	1550	27	mouth	mouth	NN
12787	1550	28	of	of	IN
12787	1550	29	the	the	DT
12787	1550	30	funnel	funnel	NN
12787	1550	31	a	a	DT
12787	1550	32	perforated	perforate	VBN
12787	1550	33	porcelain	porcelain	NN
12787	1550	34	crucible	crucible	NN
12787	1550	35	(	(	-LRB-
12787	1550	36	Gooch	Gooch	NNP
12787	1550	37	crucible	crucible	NN
12787	1550	38	)	)	-RRB-
12787	1550	39	,	,	,
12787	1550	40	making	make	VBG
12787	1550	41	sure	sure	JJ
12787	1550	42	that	that	IN
12787	1550	43	when	when	WRB
12787	1550	44	the	the	DT
12787	1550	45	crucible	crucible	NN
12787	1550	46	is	be	VBZ
12787	1550	47	gently	gently	RB
12787	1550	48	forced	force	VBN
12787	1550	49	into	into	IN
12787	1550	50	the	the	DT
12787	1550	51	mouth	mouth	NN
12787	1550	52	of	of	IN
12787	1550	53	the	the	DT
12787	1550	54	funnel	funnel	NN
12787	1550	55	an	an	DT
12787	1550	56	airtight	airtight	JJ
12787	1550	57	joint	joint	JJ
12787	1550	58	results	result	NNS
12787	1550	59	.	.	.
12787	1551	1	(	(	-LRB-
12787	1551	2	A	a	DT
12787	1551	3	small	small	JJ
12787	1551	4	1	1	CD
12787	1551	5	or	or	CC
12787	1551	6	1	1	CD
12787	1551	7	-	-	HYPH
12787	1551	8	1/4-inch	1/4-inch	CD
12787	1551	9	glass	glass	NN
12787	1551	10	funnel	funnel	NN
12787	1551	11	may	may	MD
12787	1551	12	be	be	VB
12787	1551	13	used	use	VBN
12787	1551	14	,	,	,
12787	1551	15	in	in	IN
12787	1551	16	which	which	WDT
12787	1551	17	case	case	NN
12787	1551	18	the	the	DT
12787	1551	19	rubber	rubber	NN
12787	1551	20	tubing	tubing	NN
12787	1551	21	is	be	VBZ
12787	1551	22	stretched	stretch	VBN
12787	1551	23	over	over	IN
12787	1551	24	the	the	DT
12787	1551	25	top	top	NN
12787	1551	26	of	of	IN
12787	1551	27	the	the	DT
12787	1551	28	funnel	funnel	NN
12787	1551	29	and	and	CC
12787	1551	30	then	then	RB
12787	1551	31	drawn	draw	VBN
12787	1551	32	up	up	RP
12787	1551	33	over	over	IN
12787	1551	34	the	the	DT
12787	1551	35	side	side	NN
12787	1551	36	of	of	IN
12787	1551	37	the	the	DT
12787	1551	38	crucible	crucible	NN
12787	1551	39	until	until	IN
12787	1551	40	an	an	DT
12787	1551	41	air	air	NN
12787	1551	42	-	-	HYPH
12787	1551	43	tight	tight	JJ
12787	1551	44	joint	joint	NN
12787	1551	45	is	be	VBZ
12787	1551	46	secured	secure	VBN
12787	1551	47	.	.	.
12787	1551	48	)	)	-RRB-
12787	1552	1	[	[	-LRB-
12787	1552	2	ILLUSTRATION	illustration	NN
12787	1552	3	:	:	:
12787	1552	4	FIG	FIG	NNP
12787	1552	5	.	.	.
12787	1553	1	2	2	LS
12787	1553	2	]	]	-RRB-
12787	1553	3	Fit	fit	VB
12787	1553	4	the	the	DT
12787	1553	5	funnel	funnel	NN
12787	1553	6	into	into	IN
12787	1553	7	the	the	DT
12787	1553	8	stopper	stopper	NN
12787	1553	9	of	of	IN
12787	1553	10	a	a	DT
12787	1553	11	filter	filter	NN
12787	1553	12	bottle	bottle	NN
12787	1553	13	,	,	,
12787	1553	14	and	and	CC
12787	1553	15	connect	connect	VB
12787	1553	16	the	the	DT
12787	1553	17	filter	filter	NN
12787	1553	18	bottle	bottle	NN
12787	1553	19	with	with	IN
12787	1553	20	the	the	DT
12787	1553	21	suction	suction	NN
12787	1553	22	pump	pump	NN
12787	1553	23	.	.	.
12787	1554	1	Suspend	suspend	VB
12787	1554	2	some	some	DT
12787	1554	3	finely	finely	RB
12787	1554	4	divided	divide	VBN
12787	1554	5	asbestos	asbestos	NN
12787	1554	6	,	,	,
12787	1554	7	which	which	WDT
12787	1554	8	has	have	VBZ
12787	1554	9	been	be	VBN
12787	1554	10	washed	wash	VBN
12787	1554	11	with	with	IN
12787	1554	12	acid	acid	NN
12787	1554	13	,	,	,
12787	1554	14	in	in	IN
12787	1554	15	20	20	CD
12787	1554	16	to	to	TO
12787	1554	17	30	30	CD
12787	1554	18	cc	cc	NN
12787	1554	19	.	.	.
12787	1555	1	of	of	IN
12787	1555	2	water	water	NN
12787	1555	3	(	(	-LRB-
12787	1555	4	Note	note	NN
12787	1555	5	1	1	CD
12787	1555	6	)	)	-RRB-
12787	1555	7	;	;	:
12787	1555	8	allow	allow	VB
12787	1555	9	this	this	DT
12787	1555	10	to	to	TO
12787	1555	11	settle	settle	VB
12787	1555	12	,	,	,
12787	1555	13	pour	pour	VB
12787	1555	14	off	off	RP
12787	1555	15	the	the	DT
12787	1555	16	very	very	RB
12787	1555	17	fine	fine	JJ
12787	1555	18	particles	particle	NNS
12787	1555	19	,	,	,
12787	1555	20	and	and	CC
12787	1555	21	then	then	RB
12787	1555	22	pour	pour	VB
12787	1555	23	some	some	DT
12787	1555	24	of	of	IN
12787	1555	25	the	the	DT
12787	1555	26	mixture	mixture	NN
12787	1555	27	cautiously	cautiously	RB
12787	1555	28	into	into	IN
12787	1555	29	the	the	DT
12787	1555	30	crucible	crucible	NN
12787	1555	31	until	until	IN
12787	1555	32	an	an	DT
12787	1555	33	even	even	RB
12787	1555	34	felt	feel	VBN
12787	1555	35	of	of	IN
12787	1555	36	asbestos	asbestos	NN
12787	1555	37	,	,	,
12787	1555	38	not	not	RB
12787	1555	39	over	over	IN
12787	1555	40	1/32	1/32	CD
12787	1555	41	inch	inch	NN
12787	1555	42	in	in	IN
12787	1555	43	thickness	thickness	NN
12787	1555	44	,	,	,
12787	1555	45	is	be	VBZ
12787	1555	46	formed	form	VBN
12787	1555	47	.	.	.
12787	1556	1	A	a	DT
12787	1556	2	gentle	gentle	JJ
12787	1556	3	suction	suction	NN
12787	1556	4	must	must	MD
12787	1556	5	be	be	VB
12787	1556	6	applied	apply	VBN
12787	1556	7	while	while	IN
12787	1556	8	preparing	prepare	VBG
12787	1556	9	this	this	DT
12787	1556	10	felt	feel	VBD
12787	1556	11	.	.	.
12787	1557	1	Wash	wash	VB
12787	1557	2	the	the	DT
12787	1557	3	felt	feel	VBN
12787	1557	4	thoroughly	thoroughly	RB
12787	1557	5	by	by	IN
12787	1557	6	passing	pass	VBG
12787	1557	7	through	through	IN
12787	1557	8	it	-PRON-	PRP
12787	1557	9	distilled	distil	VBD
12787	1557	10	water	water	NN
12787	1557	11	until	until	IN
12787	1557	12	all	all	DT
12787	1557	13	fine	fine	JJ
12787	1557	14	or	or	CC
12787	1557	15	loose	loose	JJ
12787	1557	16	particles	particle	NNS
12787	1557	17	are	be	VBP
12787	1557	18	removed	remove	VBN
12787	1557	19	,	,	,
12787	1557	20	increasing	increase	VBG
12787	1557	21	the	the	DT
12787	1557	22	suction	suction	NN
12787	1557	23	at	at	IN
12787	1557	24	the	the	DT
12787	1557	25	last	last	JJ
12787	1557	26	until	until	IN
12787	1557	27	no	no	DT
12787	1557	28	more	more	JJR
12787	1557	29	water	water	NN
12787	1557	30	can	can	MD
12787	1557	31	be	be	VB
12787	1557	32	drawn	draw	VBN
12787	1557	33	out	out	IN
12787	1557	34	of	of	IN
12787	1557	35	it	-PRON-	PRP
12787	1557	36	;	;	:
12787	1557	37	place	place	NN
12787	1557	38	on	on	IN
12787	1557	39	top	top	NN
12787	1557	40	of	of	IN
12787	1557	41	the	the	DT
12787	1557	42	felt	feel	VBN
12787	1557	43	the	the	DT
12787	1557	44	small	small	JJ
12787	1557	45	,	,	,
12787	1557	46	perforated	perforate	VBN
12787	1557	47	porcelain	porcelain	NN
12787	1557	48	disc	disc	NN
12787	1557	49	and	and	CC
12787	1557	50	hold	hold	VB
12787	1557	51	it	-PRON-	PRP
12787	1557	52	in	in	IN
12787	1557	53	place	place	NN
12787	1557	54	by	by	IN
12787	1557	55	pouring	pour	VBG
12787	1557	56	a	a	DT
12787	1557	57	very	very	RB
12787	1557	58	thin	thin	JJ
12787	1557	59	layer	layer	NN
12787	1557	60	of	of	IN
12787	1557	61	asbestos	asbestos	NN
12787	1557	62	over	over	IN
12787	1557	63	it	-PRON-	PRP
12787	1557	64	,	,	,
12787	1557	65	washing	wash	VBG
12787	1557	66	the	the	DT
12787	1557	67	whole	whole	NN
12787	1557	68	carefully	carefully	RB
12787	1557	69	;	;	:
12787	1557	70	then	then	RB
12787	1557	71	place	place	VB
12787	1557	72	the	the	DT
12787	1557	73	crucible	crucible	NN
12787	1557	74	in	in	IN
12787	1557	75	a	a	DT
12787	1557	76	small	small	JJ
12787	1557	77	beaker	beaker	NN
12787	1557	78	,	,	,
12787	1557	79	and	and	CC
12787	1557	80	place	place	VB
12787	1557	81	both	both	DT
12787	1557	82	in	in	IN
12787	1557	83	a	a	DT
12787	1557	84	drying	drying	NN
12787	1557	85	closet	closet	NN
12787	1557	86	at	at	IN
12787	1557	87	100	100	CD
12787	1557	88	-	-	HYPH
12787	1557	89	110Â	110Â	NNP
12787	1557	90	°	°	,
12787	1557	91	C	C	NNP
12787	1557	92	.	.	.
12787	1558	1	for	for	IN
12787	1558	2	thirty	thirty	CD
12787	1558	3	to	to	TO
12787	1558	4	forty	forty	CD
12787	1558	5	minutes	minute	NNS
12787	1558	6	.	.	.
12787	1559	1	Cool	cool	UH
12787	1559	2	the	the	DT
12787	1559	3	crucible	crucible	NN
12787	1559	4	in	in	IN
12787	1559	5	a	a	DT
12787	1559	6	desiccator	desiccator	NN
12787	1559	7	,	,	,
12787	1559	8	and	and	CC
12787	1559	9	weigh	weigh	NN
12787	1559	10	.	.	.
12787	1560	1	Heat	heat	NN
12787	1560	2	again	again	RB
12787	1560	3	for	for	IN
12787	1560	4	twenty	twenty	CD
12787	1560	5	to	to	TO
12787	1560	6	thirty	thirty	CD
12787	1560	7	minutes	minute	NNS
12787	1560	8	,	,	,
12787	1560	9	cool	cool	JJ
12787	1560	10	,	,	,
12787	1560	11	and	and	CC
12787	1560	12	again	again	RB
12787	1560	13	weigh	weigh	VB
12787	1560	14	,	,	,
12787	1560	15	repeating	repeat	VBG
12787	1560	16	this	this	DT
12787	1560	17	until	until	IN
12787	1560	18	the	the	DT
12787	1560	19	weight	weight	NN
12787	1560	20	is	be	VBZ
12787	1560	21	constant	constant	JJ
12787	1560	22	within	within	IN
12787	1560	23	0.0003	0.0003	CD
12787	1560	24	gram	gram	NN
12787	1560	25	.	.	.
12787	1561	1	The	the	DT
12787	1561	2	filter	filter	NN
12787	1561	3	is	be	VBZ
12787	1561	4	then	then	RB
12787	1561	5	ready	ready	JJ
12787	1561	6	for	for	IN
12787	1561	7	use	use	NN
12787	1561	8	.	.	.
12787	1562	1	Place	place	VB
12787	1562	2	the	the	DT
12787	1562	3	crucible	crucible	NN
12787	1562	4	in	in	IN
12787	1562	5	the	the	DT
12787	1562	6	funnel	funnel	NN
12787	1562	7	,	,	,
12787	1562	8	and	and	CC
12787	1562	9	apply	apply	VB
12787	1562	10	a	a	DT
12787	1562	11	gentle	gentle	JJ
12787	1562	12	suction	suction	NN
12787	1562	13	,	,	,
12787	1562	14	!	!	.
12787	1562	15	after	after	IN
12787	1562	16	which	which	WDT
12787	1562	17	!	!	.
12787	1563	1	the	the	DT
12787	1563	2	solution	solution	NN
12787	1563	3	to	to	TO
12787	1563	4	be	be	VB
12787	1563	5	filtered	filter	VBN
12787	1563	6	may	may	MD
12787	1563	7	be	be	VB
12787	1563	8	poured	pour	VBN
12787	1563	9	in	in	RP
12787	1563	10	without	without	IN
12787	1563	11	disturbing	disturb	VBG
12787	1563	12	the	the	DT
12787	1563	13	asbestos	asbestos	NN
12787	1563	14	felt	feel	VBD
12787	1563	15	.	.	.
12787	1564	1	When	when	WRB
12787	1564	2	pouring	pour	VBG
12787	1564	3	liquid	liquid	NN
12787	1564	4	onto	onto	IN
12787	1564	5	a	a	DT
12787	1564	6	Gooch	Gooch	NNP
12787	1564	7	filter	filter	NN
12787	1564	8	hold	hold	VB
12787	1564	9	the	the	DT
12787	1564	10	stirring	stirring	JJ
12787	1564	11	-	-	HYPH
12787	1564	12	rod	rod	NN
12787	1564	13	at	at	IN
12787	1564	14	first	first	RB
12787	1564	15	well	well	RB
12787	1564	16	down	down	RB
12787	1564	17	in	in	IN
12787	1564	18	the	the	DT
12787	1564	19	crucible	crucible	NN
12787	1564	20	,	,	,
12787	1564	21	so	so	IN
12787	1564	22	that	that	IN
12787	1564	23	the	the	DT
12787	1564	24	liquid	liquid	NN
12787	1564	25	does	do	VBZ
12787	1564	26	not	not	RB
12787	1564	27	fall	fall	VB
12787	1564	28	with	with	IN
12787	1564	29	any	any	DT
12787	1564	30	force	force	NN
12787	1564	31	upon	upon	IN
12787	1564	32	the	the	DT
12787	1564	33	asbestos	asbestos	NN
12787	1564	34	,	,	,
12787	1564	35	and	and	CC
12787	1564	36	afterward	afterward	RB
12787	1564	37	keep	keep	VB
12787	1564	38	the	the	DT
12787	1564	39	crucible	crucible	NN
12787	1564	40	will	will	MD
12787	1564	41	filled	fill	VBN
12787	1564	42	with	with	IN
12787	1564	43	the	the	DT
12787	1564	44	solution	solution	NN
12787	1564	45	.	.	.
12787	1565	1	Pour	pour	VB
12787	1565	2	the	the	DT
12787	1565	3	liquid	liquid	NN
12787	1565	4	above	above	IN
12787	1565	5	the	the	DT
12787	1565	6	silver	silver	NN
12787	1565	7	chloride	chloride	NN
12787	1565	8	slowly	slowly	RB
12787	1565	9	onto	onto	IN
12787	1565	10	the	the	DT
12787	1565	11	filter	filter	NN
12787	1565	12	,	,	,
12787	1565	13	leaving	leave	VBG
12787	1565	14	the	the	DT
12787	1565	15	precipitate	precipitate	NN
12787	1565	16	in	in	IN
12787	1565	17	the	the	DT
12787	1565	18	beaker	beaker	NN
12787	1565	19	as	as	RB
12787	1565	20	far	far	RB
12787	1565	21	as	as	IN
12787	1565	22	possible	possible	JJ
12787	1565	23	.	.	.
12787	1566	1	Wash	wash	VB
12787	1566	2	the	the	DT
12787	1566	3	precipitate	precipitate	NN
12787	1566	4	twice	twice	RB
12787	1566	5	by	by	IN
12787	1566	6	decantation	decantation	NN
12787	1566	7	with	with	IN
12787	1566	8	warm	warm	JJ
12787	1566	9	water	water	NN
12787	1566	10	;	;	:
12787	1566	11	then	then	RB
12787	1566	12	transfer	transfer	VB
12787	1566	13	it	-PRON-	PRP
12787	1566	14	to	to	IN
12787	1566	15	the	the	DT
12787	1566	16	filter	filter	NN
12787	1566	17	with	with	IN
12787	1566	18	the	the	DT
12787	1566	19	aid	aid	NN
12787	1566	20	of	of	IN
12787	1566	21	a	a	DT
12787	1566	22	stirring	stirring	JJ
12787	1566	23	-	-	HYPH
12787	1566	24	rod	rod	NN
12787	1566	25	with	with	IN
12787	1566	26	a	a	DT
12787	1566	27	rubber	rubber	NN
12787	1566	28	tip	tip	NN
12787	1566	29	and	and	CC
12787	1566	30	a	a	DT
12787	1566	31	stream	stream	NN
12787	1566	32	from	from	IN
12787	1566	33	the	the	DT
12787	1566	34	wash	wash	NN
12787	1566	35	-	-	HYPH
12787	1566	36	bottle	bottle	NN
12787	1566	37	.	.	.
12787	1567	1	Examine	examine	VB
12787	1567	2	the	the	DT
12787	1567	3	first	first	JJ
12787	1567	4	portions	portion	NNS
12787	1567	5	of	of	IN
12787	1567	6	the	the	DT
12787	1567	7	filtrate	filtrate	JJ
12787	1567	8	which	which	WDT
12787	1567	9	pass	pass	VBP
12787	1567	10	through	through	IN
12787	1567	11	the	the	DT
12787	1567	12	filter	filter	NN
12787	1567	13	with	with	IN
12787	1567	14	great	great	JJ
12787	1567	15	care	care	NN
12787	1567	16	for	for	IN
12787	1567	17	asbestos	asbestos	NN
12787	1567	18	fibers	fiber	NNS
12787	1567	19	,	,	,
12787	1567	20	which	which	WDT
12787	1567	21	are	be	VBP
12787	1567	22	most	most	RBS
12787	1567	23	likely	likely	JJ
12787	1567	24	to	to	TO
12787	1567	25	be	be	VB
12787	1567	26	lost	lose	VBN
12787	1567	27	at	at	IN
12787	1567	28	this	this	DT
12787	1567	29	point	point	NN
12787	1567	30	.	.	.
12787	1568	1	Refilter	refilter	VB
12787	1568	2	the	the	DT
12787	1568	3	liquid	liquid	NN
12787	1568	4	if	if	IN
12787	1568	5	any	any	DT
12787	1568	6	fibers	fiber	NNS
12787	1568	7	are	be	VBP
12787	1568	8	visible	visible	JJ
12787	1568	9	.	.	.
12787	1569	1	Finally	finally	RB
12787	1569	2	,	,	,
12787	1569	3	wash	wash	VB
12787	1569	4	the	the	DT
12787	1569	5	precipitate	precipitate	NN
12787	1569	6	thoroughly	thoroughly	RB
12787	1569	7	with	with	IN
12787	1569	8	warm	warm	JJ
12787	1569	9	water	water	NN
12787	1569	10	until	until	IN
12787	1569	11	free	free	JJ
12787	1569	12	from	from	IN
12787	1569	13	soluble	soluble	JJ
12787	1569	14	silver	silver	NN
12787	1569	15	salts	salt	NNS
12787	1569	16	.	.	.
12787	1570	1	To	to	TO
12787	1570	2	test	test	VB
12787	1570	3	the	the	DT
12787	1570	4	washings	washing	NNS
12787	1570	5	,	,	,
12787	1570	6	disconnect	disconnect	VB
12787	1570	7	the	the	DT
12787	1570	8	suction	suction	NN
12787	1570	9	at	at	IN
12787	1570	10	the	the	DT
12787	1570	11	flask	flask	NN
12787	1570	12	and	and	CC
12787	1570	13	remove	remove	VB
12787	1570	14	the	the	DT
12787	1570	15	funnel	funnel	NN
12787	1570	16	or	or	CC
12787	1570	17	filter	filter	NN
12787	1570	18	tube	tube	NN
12787	1570	19	from	from	IN
12787	1570	20	the	the	DT
12787	1570	21	suction	suction	NN
12787	1570	22	flask	flask	NN
12787	1570	23	.	.	.
12787	1571	1	Hold	hold	VB
12787	1571	2	the	the	DT
12787	1571	3	end	end	NN
12787	1571	4	of	of	IN
12787	1571	5	the	the	DT
12787	1571	6	tube	tube	NN
12787	1571	7	over	over	IN
12787	1571	8	the	the	DT
12787	1571	9	mouth	mouth	NN
12787	1571	10	of	of	IN
12787	1571	11	a	a	DT
12787	1571	12	small	small	JJ
12787	1571	13	test	test	NN
12787	1571	14	tube	tube	NN
12787	1571	15	and	and	CC
12787	1571	16	add	add	VB
12787	1571	17	from	from	IN
12787	1571	18	a	a	DT
12787	1571	19	wash	wash	NN
12787	1571	20	-	-	HYPH
12787	1571	21	bottle	bottle	NN
12787	1571	22	2	2	CD
12787	1571	23	-	-	SYM
12787	1571	24	3	3	CD
12787	1571	25	cc	cc	NN
12787	1571	26	.	.	.
12787	1572	1	of	of	IN
12787	1572	2	water	water	NN
12787	1572	3	.	.	.
12787	1573	1	Allow	allow	VB
12787	1573	2	the	the	DT
12787	1573	3	water	water	NN
12787	1573	4	to	to	TO
12787	1573	5	drip	drip	VB
12787	1573	6	through	through	RP
12787	1573	7	into	into	IN
12787	1573	8	the	the	DT
12787	1573	9	test	test	NN
12787	1573	10	tube	tube	NN
12787	1573	11	and	and	CC
12787	1573	12	add	add	VB
12787	1573	13	a	a	DT
12787	1573	14	drop	drop	NN
12787	1573	15	of	of	IN
12787	1573	16	dilute	dilute	JJ
12787	1573	17	hydrochloric	hydrochloric	JJ
12787	1573	18	acid	acid	NN
12787	1573	19	.	.	.
12787	1574	1	No	no	DT
12787	1574	2	precipitate	precipitate	NN
12787	1574	3	or	or	CC
12787	1574	4	cloud	cloud	NN
12787	1574	5	should	should	MD
12787	1574	6	form	form	VB
12787	1574	7	in	in	IN
12787	1574	8	the	the	DT
12787	1574	9	wash	wash	NN
12787	1574	10	-	-	HYPH
12787	1574	11	water	water	NN
12787	1574	12	(	(	-LRB-
12787	1574	13	Note	note	NN
12787	1574	14	16	16	CD
12787	1574	15	)	)	-RRB-
12787	1574	16	.	.	.
12787	1575	1	Dry	Dry	NNP
12787	1575	2	the	the	DT
12787	1575	3	filter	filter	NN
12787	1575	4	and	and	CC
12787	1575	5	contents	content	NNS
12787	1575	6	at	at	IN
12787	1575	7	100	100	CD
12787	1575	8	-	-	HYPH
12787	1575	9	110Â	110Â	NNP
12787	1575	10	°	°	,
12787	1575	11	C	C	NNP
12787	1575	12	.	.	.
12787	1576	1	until	until	IN
12787	1576	2	the	the	DT
12787	1576	3	weight	weight	NN
12787	1576	4	is	be	VBZ
12787	1576	5	constant	constant	JJ
12787	1576	6	within	within	IN
12787	1576	7	0.0003	0.0003	CD
12787	1576	8	gram	gram	NN
12787	1576	9	,	,	,
12787	1576	10	as	as	IN
12787	1576	11	described	describe	VBN
12787	1576	12	for	for	IN
12787	1576	13	the	the	DT
12787	1576	14	preparation	preparation	NN
12787	1576	15	of	of	IN
12787	1576	16	the	the	DT
12787	1576	17	filter	filter	NN
12787	1576	18	.	.	.
12787	1577	1	Deduct	deduct	VB
12787	1577	2	the	the	DT
12787	1577	3	weight	weight	NN
12787	1577	4	of	of	IN
12787	1577	5	the	the	DT
12787	1577	6	dry	dry	JJ
12787	1577	7	crucible	crucible	NN
12787	1577	8	from	from	IN
12787	1577	9	the	the	DT
12787	1577	10	final	final	JJ
12787	1577	11	weight	weight	NN
12787	1577	12	,	,	,
12787	1577	13	and	and	CC
12787	1577	14	from	from	IN
12787	1577	15	the	the	DT
12787	1577	16	weight	weight	NN
12787	1577	17	of	of	IN
12787	1577	18	silver	silver	NN
12787	1577	19	chloride	chloride	NN
12787	1577	20	thus	thus	RB
12787	1577	21	obtained	obtain	VBN
12787	1577	22	calculate	calculate	NN
12787	1577	23	the	the	DT
12787	1577	24	percentage	percentage	NN
12787	1577	25	of	of	IN
12787	1577	26	chlorine	chlorine	NN
12787	1577	27	in	in	IN
12787	1577	28	the	the	DT
12787	1577	29	sample	sample	NN
12787	1577	30	of	of	IN
12787	1577	31	sodium	sodium	NN
12787	1577	32	chloride	chloride	NN
12787	1577	33	.	.	.
12787	1578	1	[	[	-LRB-
12787	1578	2	Note	note	NN
12787	1578	3	1	1	CD
12787	1578	4	:	:	:
12787	1578	5	The	the	DT
12787	1578	6	washed	washed	JJ
12787	1578	7	asbestos	asbestos	NN
12787	1578	8	for	for	IN
12787	1578	9	this	this	DT
12787	1578	10	type	type	NN
12787	1578	11	of	of	IN
12787	1578	12	filter	filter	NN
12787	1578	13	is	be	VBZ
12787	1578	14	prepared	prepare	VBN
12787	1578	15	by	by	IN
12787	1578	16	digesting	digest	VBG
12787	1578	17	in	in	RP
12787	1578	18	concentrated	concentrated	JJ
12787	1578	19	hydrochloric	hydrochloric	JJ
12787	1578	20	acid	acid	NN
12787	1578	21	,	,	,
12787	1578	22	long	long	RB
12787	1578	23	-	-	HYPH
12787	1578	24	fibered	fibere	VBN
12787	1578	25	asbestos	asbestos	NN
12787	1578	26	which	which	WDT
12787	1578	27	has	have	VBZ
12787	1578	28	been	be	VBN
12787	1578	29	cut	cut	VBN
12787	1578	30	in	in	IN
12787	1578	31	pieces	piece	NNS
12787	1578	32	of	of	IN
12787	1578	33	about	about	RB
12787	1578	34	0.5	0.5	CD
12787	1578	35	cm	cm	NNS
12787	1578	36	.	.	.
12787	1579	1	in	in	IN
12787	1579	2	length	length	NN
12787	1579	3	.	.	.
12787	1580	1	After	after	IN
12787	1580	2	digestion	digestion	NN
12787	1580	3	,	,	,
12787	1580	4	the	the	DT
12787	1580	5	asbestos	asbestos	NN
12787	1580	6	is	be	VBZ
12787	1580	7	filtered	filter	VBN
12787	1580	8	off	off	RP
12787	1580	9	on	on	IN
12787	1580	10	a	a	DT
12787	1580	11	filter	filter	NN
12787	1580	12	plate	plate	NN
12787	1580	13	and	and	CC
12787	1580	14	washed	wash	VBN
12787	1580	15	with	with	IN
12787	1580	16	hot	hot	JJ
12787	1580	17	,	,	,
12787	1580	18	distilled	distilled	JJ
12787	1580	19	water	water	NN
12787	1580	20	until	until	IN
12787	1580	21	free	free	JJ
12787	1580	22	from	from	IN
12787	1580	23	chlorides	chloride	NNS
12787	1580	24	.	.	.
12787	1581	1	A	a	DT
12787	1581	2	small	small	JJ
12787	1581	3	portion	portion	NN
12787	1581	4	of	of	IN
12787	1581	5	the	the	DT
12787	1581	6	asbestos	asbestos	NN
12787	1581	7	is	be	VBZ
12787	1581	8	shaken	shake	VBN
12787	1581	9	with	with	IN
12787	1581	10	water	water	NN
12787	1581	11	,	,	,
12787	1581	12	forming	form	VBG
12787	1581	13	a	a	DT
12787	1581	14	thin	thin	JJ
12787	1581	15	suspension	suspension	NN
12787	1581	16	,	,	,
12787	1581	17	which	which	WDT
12787	1581	18	is	be	VBZ
12787	1581	19	bottled	bottle	VBN
12787	1581	20	and	and	CC
12787	1581	21	kept	keep	VBN
12787	1581	22	for	for	IN
12787	1581	23	use	use	NN
12787	1581	24	.	.	.
12787	1581	25	]	]	-RRB-
12787	1582	1	[	[	-LRB-
12787	1582	2	Note	note	NN
12787	1582	3	2	2	CD
12787	1582	4	:	:	:
12787	1582	5	The	the	DT
12787	1582	6	nitric	nitric	JJ
12787	1582	7	acid	acid	NN
12787	1582	8	is	be	VBZ
12787	1582	9	added	add	VBN
12787	1582	10	before	before	IN
12787	1582	11	precipitation	precipitation	NN
12787	1582	12	to	to	TO
12787	1582	13	lessen	lessen	VB
12787	1582	14	the	the	DT
12787	1582	15	tendency	tendency	NN
12787	1582	16	of	of	IN
12787	1582	17	the	the	DT
12787	1582	18	silver	silver	NN
12787	1582	19	chloride	chloride	NN
12787	1582	20	to	to	TO
12787	1582	21	carry	carry	VB
12787	1582	22	down	down	RP
12787	1582	23	with	with	IN
12787	1582	24	it	-PRON-	PRP
12787	1582	25	other	other	JJ
12787	1582	26	substances	substance	NNS
12787	1582	27	which	which	WDT
12787	1582	28	might	may	MD
12787	1582	29	be	be	VB
12787	1582	30	precipitated	precipitate	VBN
12787	1582	31	from	from	IN
12787	1582	32	a	a	DT
12787	1582	33	neutral	neutral	JJ
12787	1582	34	solution	solution	NN
12787	1582	35	.	.	.
12787	1583	1	A	a	DT
12787	1583	2	large	large	JJ
12787	1583	3	excess	excess	NN
12787	1583	4	of	of	IN
12787	1583	5	the	the	DT
12787	1583	6	acid	acid	NN
12787	1583	7	would	would	MD
12787	1583	8	exert	exert	VB
12787	1583	9	a	a	DT
12787	1583	10	slight	slight	JJ
12787	1583	11	solvent	solvent	NN
12787	1583	12	action	action	NN
12787	1583	13	upon	upon	IN
12787	1583	14	the	the	DT
12787	1583	15	chloride	chloride	NN
12787	1583	16	.	.	.
12787	1583	17	]	]	-RRB-
12787	1584	1	[	[	-LRB-
12787	1584	2	Note	note	NN
12787	1584	3	3	3	CD
12787	1584	4	:	:	:
12787	1584	5	The	the	DT
12787	1584	6	solution	solution	NN
12787	1584	7	should	should	MD
12787	1584	8	not	not	RB
12787	1584	9	be	be	VB
12787	1584	10	boiled	boil	VBN
12787	1584	11	after	after	IN
12787	1584	12	the	the	DT
12787	1584	13	addition	addition	NN
12787	1584	14	of	of	IN
12787	1584	15	the	the	DT
12787	1584	16	nitric	nitric	JJ
12787	1584	17	acid	acid	NN
12787	1584	18	before	before	IN
12787	1584	19	the	the	DT
12787	1584	20	presence	presence	NN
12787	1584	21	of	of	IN
12787	1584	22	an	an	DT
12787	1584	23	excess	excess	NN
12787	1584	24	of	of	IN
12787	1584	25	silver	silver	NN
12787	1584	26	nitrate	nitrate	NNP
12787	1584	27	is	be	VBZ
12787	1584	28	assured	assure	VBN
12787	1584	29	,	,	,
12787	1584	30	since	since	IN
12787	1584	31	a	a	DT
12787	1584	32	slight	slight	JJ
12787	1584	33	interaction	interaction	NN
12787	1584	34	between	between	IN
12787	1584	35	the	the	DT
12787	1584	36	nitric	nitric	JJ
12787	1584	37	acid	acid	NN
12787	1584	38	and	and	CC
12787	1584	39	the	the	DT
12787	1584	40	sodium	sodium	NN
12787	1584	41	chloride	chloride	NN
12787	1584	42	is	be	VBZ
12787	1584	43	possible	possible	JJ
12787	1584	44	,	,	,
12787	1584	45	by	by	IN
12787	1584	46	which	which	WDT
12787	1584	47	a	a	DT
12787	1584	48	loss	loss	NN
12787	1584	49	of	of	IN
12787	1584	50	chlorine	chlorine	NN
12787	1584	51	,	,	,
12787	1584	52	either	either	CC
12787	1584	53	as	as	IN
12787	1584	54	such	such	JJ
12787	1584	55	or	or	CC
12787	1584	56	as	as	IN
12787	1584	57	hydrochloric	hydrochloric	JJ
12787	1584	58	acid	acid	NN
12787	1584	59	,	,	,
12787	1584	60	might	may	MD
12787	1584	61	ensue	ensue	VB
12787	1584	62	.	.	.
12787	1585	1	The	the	DT
12787	1585	2	presence	presence	NN
12787	1585	3	of	of	IN
12787	1585	4	an	an	DT
12787	1585	5	excess	excess	NN
12787	1585	6	of	of	IN
12787	1585	7	the	the	DT
12787	1585	8	precipitant	precipitant	NN
12787	1585	9	can	can	MD
12787	1585	10	usually	usually	RB
12787	1585	11	be	be	VB
12787	1585	12	recognized	recognize	VBN
12787	1585	13	at	at	IN
12787	1585	14	the	the	DT
12787	1585	15	time	time	NN
12787	1585	16	of	of	IN
12787	1585	17	its	-PRON-	PRP$
12787	1585	18	addition	addition	NN
12787	1585	19	,	,	,
12787	1585	20	by	by	IN
12787	1585	21	the	the	DT
12787	1585	22	increased	increased	JJ
12787	1585	23	readiness	readiness	NN
12787	1585	24	with	with	IN
12787	1585	25	which	which	WDT
12787	1585	26	the	the	DT
12787	1585	27	precipitate	precipitate	NN
12787	1585	28	coagulates	coagulate	NNS
12787	1585	29	and	and	CC
12787	1585	30	settles	settle	NNS
12787	1585	31	.	.	.
12787	1585	32	]	]	-RRB-
12787	1586	1	[	[	-LRB-
12787	1586	2	Note	note	NN
12787	1586	3	4	4	CD
12787	1586	4	:	:	:
12787	1586	5	The	the	DT
12787	1586	6	precipitate	precipitate	NN
12787	1586	7	should	should	MD
12787	1586	8	not	not	RB
12787	1586	9	be	be	VB
12787	1586	10	exposed	expose	VBN
12787	1586	11	to	to	IN
12787	1586	12	strong	strong	JJ
12787	1586	13	sunlight	sunlight	NN
12787	1586	14	,	,	,
12787	1586	15	since	since	IN
12787	1586	16	under	under	IN
12787	1586	17	those	those	DT
12787	1586	18	conditions	condition	NNS
12787	1586	19	a	a	DT
12787	1586	20	reduction	reduction	NN
12787	1586	21	of	of	IN
12787	1586	22	the	the	DT
12787	1586	23	silver	silver	NN
12787	1586	24	chloride	chloride	NN
12787	1586	25	ensues	ensue	NNS
12787	1586	26	which	which	WDT
12787	1586	27	is	be	VBZ
12787	1586	28	accompanied	accompany	VBN
12787	1586	29	by	by	IN
12787	1586	30	a	a	DT
12787	1586	31	loss	loss	NN
12787	1586	32	of	of	IN
12787	1586	33	chlorine	chlorine	NN
12787	1586	34	.	.	.
12787	1587	1	The	the	DT
12787	1587	2	superficial	superficial	JJ
12787	1587	3	alteration	alteration	NN
12787	1587	4	which	which	WDT
12787	1587	5	the	the	DT
12787	1587	6	chloride	chloride	NN
12787	1587	7	undergoes	undergoe	NNS
12787	1587	8	in	in	IN
12787	1587	9	diffused	diffuse	VBN
12787	1587	10	daylight	daylight	NN
12787	1587	11	is	be	VBZ
12787	1587	12	not	not	RB
12787	1587	13	sufficient	sufficient	JJ
12787	1587	14	to	to	TO
12787	1587	15	materially	materially	RB
12787	1587	16	affect	affect	VB
12787	1587	17	the	the	DT
12787	1587	18	accuracy	accuracy	NN
12787	1587	19	of	of	IN
12787	1587	20	the	the	DT
12787	1587	21	determination	determination	NN
12787	1587	22	.	.	.
12787	1588	1	It	-PRON-	PRP
12787	1588	2	should	should	MD
12787	1588	3	be	be	VB
12787	1588	4	noted	note	VBN
12787	1588	5	,	,	,
12787	1588	6	however	however	RB
12787	1588	7	,	,	,
12787	1588	8	that	that	IN
12787	1588	9	a	a	DT
12787	1588	10	slight	slight	JJ
12787	1588	11	error	error	NN
12787	1588	12	does	do	VBZ
12787	1588	13	result	result	VB
12787	1588	14	from	from	IN
12787	1588	15	the	the	DT
12787	1588	16	effect	effect	NN
12787	1588	17	of	of	IN
12787	1588	18	light	light	NN
12787	1588	19	upon	upon	IN
12787	1588	20	the	the	DT
12787	1588	21	silver	silver	NN
12787	1588	22	chloride	chloride	NN
12787	1588	23	precipitate	precipitate	NN
12787	1588	24	and	and	CC
12787	1588	25	in	in	IN
12787	1588	26	cases	case	NNS
12787	1588	27	in	in	IN
12787	1588	28	which	which	WDT
12787	1588	29	the	the	DT
12787	1588	30	greatest	great	JJS
12787	1588	31	obtainable	obtainable	JJ
12787	1588	32	accuracy	accuracy	NN
12787	1588	33	is	be	VBZ
12787	1588	34	required	require	VBN
12787	1588	35	,	,	,
12787	1588	36	the	the	DT
12787	1588	37	procedure	procedure	NN
12787	1588	38	described	describe	VBN
12787	1588	39	under	under	IN
12787	1588	40	"	"	``
12787	1588	41	Method	Method	NNP
12787	1588	42	B	B	NNP
12787	1588	43	"	"	''
12787	1588	44	should	should	MD
12787	1588	45	be	be	VB
12787	1588	46	followed	follow	VBN
12787	1588	47	,	,	,
12787	1588	48	in	in	IN
12787	1588	49	which	which	WDT
12787	1588	50	this	this	DT
12787	1588	51	slight	slight	JJ
12787	1588	52	reduction	reduction	NN
12787	1588	53	of	of	IN
12787	1588	54	the	the	DT
12787	1588	55	silver	silver	NN
12787	1588	56	chloride	chloride	NN
12787	1588	57	is	be	VBZ
12787	1588	58	corrected	correct	VBN
12787	1588	59	by	by	IN
12787	1588	60	subsequent	subsequent	JJ
12787	1588	61	treatment	treatment	NN
12787	1588	62	with	with	IN
12787	1588	63	nitric	nitric	JJ
12787	1588	64	and	and	CC
12787	1588	65	hydrochloric	hydrochloric	JJ
12787	1588	66	acids	acid	NNS
12787	1588	67	.	.	.
12787	1588	68	]	]	-RRB-
12787	1589	1	[	[	-LRB-
12787	1589	2	Note	note	NN
12787	1589	3	5	5	CD
12787	1589	4	:	:	:
12787	1589	5	The	the	DT
12787	1589	6	asbestos	asbestos	NN
12787	1589	7	used	use	VBN
12787	1589	8	in	in	IN
12787	1589	9	the	the	DT
12787	1589	10	Gooch	Gooch	NNP
12787	1589	11	filter	filter	NN
12787	1589	12	should	should	MD
12787	1589	13	be	be	VB
12787	1589	14	of	of	IN
12787	1589	15	the	the	DT
12787	1589	16	finest	fine	JJS
12787	1589	17	quality	quality	NN
12787	1589	18	and	and	CC
12787	1589	19	capable	capable	JJ
12787	1589	20	of	of	IN
12787	1589	21	division	division	NN
12787	1589	22	into	into	IN
12787	1589	23	minute	minute	JJ
12787	1589	24	fibrous	fibrous	JJ
12787	1589	25	particles	particle	NNS
12787	1589	26	.	.	.
12787	1590	1	A	a	DT
12787	1590	2	coarse	coarse	NN
12787	1590	3	felt	felt	NN
12787	1590	4	is	be	VBZ
12787	1590	5	not	not	RB
12787	1590	6	satisfactory	satisfactory	JJ
12787	1590	7	.	.	.
12787	1590	8	]	]	-RRB-
12787	1591	1	[	[	-LRB-
12787	1591	2	Note	note	NN
12787	1591	3	6	6	CD
12787	1591	4	:	:	:
12787	1591	5	The	the	DT
12787	1591	6	precipitate	precipitate	NN
12787	1591	7	must	must	MD
12787	1591	8	be	be	VB
12787	1591	9	washed	wash	VBN
12787	1591	10	with	with	IN
12787	1591	11	warm	warm	JJ
12787	1591	12	water	water	NN
12787	1591	13	until	until	IN
12787	1591	14	it	-PRON-	PRP
12787	1591	15	is	be	VBZ
12787	1591	16	absolutely	absolutely	RB
12787	1591	17	free	free	JJ
12787	1591	18	from	from	IN
12787	1591	19	silver	silver	NN
12787	1591	20	and	and	CC
12787	1591	21	sodium	sodium	NN
12787	1591	22	nitrates	nitrate	NNS
12787	1591	23	.	.	.
12787	1592	1	It	-PRON-	PRP
12787	1592	2	may	may	MD
12787	1592	3	be	be	VB
12787	1592	4	assumed	assume	VBN
12787	1592	5	that	that	IN
12787	1592	6	the	the	DT
12787	1592	7	sodium	sodium	NN
12787	1592	8	salt	salt	NN
12787	1592	9	is	be	VBZ
12787	1592	10	completely	completely	RB
12787	1592	11	removed	remove	VBN
12787	1592	12	when	when	WRB
12787	1592	13	the	the	DT
12787	1592	14	wash	wash	NN
12787	1592	15	-	-	HYPH
12787	1592	16	water	water	NN
12787	1592	17	shows	show	VBZ
12787	1592	18	no	no	DT
12787	1592	19	evidence	evidence	NN
12787	1592	20	of	of	IN
12787	1592	21	silver	silver	NN
12787	1592	22	.	.	.
12787	1593	1	It	-PRON-	PRP
12787	1593	2	must	must	MD
12787	1593	3	be	be	VB
12787	1593	4	borne	bear	VBN
12787	1593	5	in	in	IN
12787	1593	6	mind	mind	NN
12787	1593	7	that	that	IN
12787	1593	8	silver	silver	NN
12787	1593	9	chloride	chloride	NN
12787	1593	10	is	be	VBZ
12787	1593	11	somewhat	somewhat	RB
12787	1593	12	soluble	soluble	JJ
12787	1593	13	in	in	IN
12787	1593	14	hydrochloric	hydrochloric	JJ
12787	1593	15	acid	acid	NN
12787	1593	16	,	,	,
12787	1593	17	and	and	CC
12787	1593	18	only	only	RB
12787	1593	19	a	a	DT
12787	1593	20	single	single	JJ
12787	1593	21	drop	drop	NN
12787	1593	22	should	should	MD
12787	1593	23	be	be	VB
12787	1593	24	added	add	VBN
12787	1593	25	.	.	.
12787	1594	1	The	the	DT
12787	1594	2	washing	washing	NN
12787	1594	3	should	should	MD
12787	1594	4	be	be	VB
12787	1594	5	continued	continue	VBN
12787	1594	6	until	until	IN
12787	1594	7	no	no	DT
12787	1594	8	cloudiness	cloudiness	NN
12787	1594	9	whatever	whatever	WDT
12787	1594	10	can	can	MD
12787	1594	11	be	be	VB
12787	1594	12	detected	detect	VBN
12787	1594	13	in	in	IN
12787	1594	14	3	3	CD
12787	1594	15	cc	cc	NN
12787	1594	16	.	.	.
12787	1595	1	of	of	IN
12787	1595	2	the	the	DT
12787	1595	3	washings	washing	NNS
12787	1595	4	.	.	.
12787	1596	1	Silver	silver	NN
12787	1596	2	chloride	chloride	NN
12787	1596	3	is	be	VBZ
12787	1596	4	but	but	CC
12787	1596	5	slightly	slightly	RB
12787	1596	6	soluble	soluble	JJ
12787	1596	7	in	in	IN
12787	1596	8	water	water	NN
12787	1596	9	.	.	.
12787	1597	1	The	the	DT
12787	1597	2	solubility	solubility	NN
12787	1597	3	varies	vary	VBZ
12787	1597	4	with	with	IN
12787	1597	5	its	-PRON-	PRP$
12787	1597	6	physical	physical	JJ
12787	1597	7	condition	condition	NN
12787	1597	8	within	within	IN
12787	1597	9	small	small	JJ
12787	1597	10	limits	limit	NNS
12787	1597	11	,	,	,
12787	1597	12	and	and	CC
12787	1597	13	is	be	VBZ
12787	1597	14	about	about	RB
12787	1597	15	0.0018	0.0018	CD
12787	1597	16	gram	gram	NN
12787	1597	17	per	per	IN
12787	1597	18	liter	liter	NN
12787	1597	19	at	at	IN
12787	1597	20	18Â	18Â	NNP
12787	1597	21	°	°	,
12787	1597	22	C	C	NNP
12787	1597	23	.	.	.
12787	1598	1	for	for	IN
12787	1598	2	the	the	DT
12787	1598	3	curdy	curdy	NNP
12787	1598	4	variety	variety	NN
12787	1598	5	usually	usually	RB
12787	1598	6	precipitated	precipitate	VBN
12787	1598	7	.	.	.
12787	1599	1	The	the	DT
12787	1599	2	chloride	chloride	NN
12787	1599	3	is	be	VBZ
12787	1599	4	also	also	RB
12787	1599	5	somewhat	somewhat	RB
12787	1599	6	soluble	soluble	JJ
12787	1599	7	in	in	IN
12787	1599	8	solutions	solution	NNS
12787	1599	9	of	of	IN
12787	1599	10	many	many	JJ
12787	1599	11	chlorides	chloride	NNS
12787	1599	12	,	,	,
12787	1599	13	in	in	IN
12787	1599	14	solutions	solution	NNS
12787	1599	15	of	of	IN
12787	1599	16	silver	silver	NN
12787	1599	17	nitrate	nitrate	JJ
12787	1599	18	,	,	,
12787	1599	19	and	and	CC
12787	1599	20	in	in	IN
12787	1599	21	concentrated	concentrated	JJ
12787	1599	22	nitric	nitric	JJ
12787	1599	23	acid	acid	NN
12787	1599	24	.	.	.
12787	1600	1	As	as	IN
12787	1600	2	a	a	DT
12787	1600	3	matter	matter	NN
12787	1600	4	of	of	IN
12787	1600	5	economy	economy	NN
12787	1600	6	,	,	,
12787	1600	7	the	the	DT
12787	1600	8	filtrate	filtrate	JJ
12787	1600	9	,	,	,
12787	1600	10	which	which	WDT
12787	1600	11	contains	contain	VBZ
12787	1600	12	whatever	whatever	WDT
12787	1600	13	silver	silver	NN
12787	1600	14	nitrate	nitrate	NNP
12787	1600	15	was	be	VBD
12787	1600	16	added	add	VBN
12787	1600	17	in	in	IN
12787	1600	18	excess	excess	NN
12787	1600	19	,	,	,
12787	1600	20	may	may	MD
12787	1600	21	be	be	VB
12787	1600	22	set	set	VBN
12787	1600	23	aside	aside	RB
12787	1600	24	.	.	.
12787	1601	1	The	the	DT
12787	1601	2	silver	silver	NN
12787	1601	3	can	can	MD
12787	1601	4	be	be	VB
12787	1601	5	precipitated	precipitate	VBN
12787	1601	6	as	as	IN
12787	1601	7	chloride	chloride	NN
12787	1601	8	and	and	CC
12787	1601	9	later	later	RB
12787	1601	10	converted	convert	VBD
12787	1601	11	into	into	IN
12787	1601	12	silver	silver	NN
12787	1601	13	nitrate	nitrate	JJ
12787	1601	14	.	.	.
12787	1601	15	]	]	-RRB-
12787	1602	1	[	[	-LRB-
12787	1602	2	Note	note	NN
12787	1602	3	7	7	CD
12787	1602	4	:	:	:
12787	1602	5	The	the	DT
12787	1602	6	use	use	NN
12787	1602	7	of	of	IN
12787	1602	8	the	the	DT
12787	1602	9	Gooch	Gooch	NNP
12787	1602	10	filter	filter	NN
12787	1602	11	commends	commend	VBZ
12787	1602	12	itself	-PRON-	PRP
12787	1602	13	strongly	strongly	RB
12787	1602	14	when	when	WRB
12787	1602	15	a	a	DT
12787	1602	16	considerable	considerable	JJ
12787	1602	17	number	number	NN
12787	1602	18	of	of	IN
12787	1602	19	halogen	halogen	NN
12787	1602	20	determinations	determination	NNS
12787	1602	21	are	be	VBP
12787	1602	22	to	to	TO
12787	1602	23	be	be	VB
12787	1602	24	made	make	VBN
12787	1602	25	,	,	,
12787	1602	26	since	since	IN
12787	1602	27	successive	successive	JJ
12787	1602	28	portions	portion	NNS
12787	1602	29	of	of	IN
12787	1602	30	the	the	DT
12787	1602	31	silver	silver	NN
12787	1602	32	halides	halide	NNS
12787	1602	33	may	may	MD
12787	1602	34	be	be	VB
12787	1602	35	filtered	filter	VBN
12787	1602	36	on	on	IN
12787	1602	37	the	the	DT
12787	1602	38	same	same	JJ
12787	1602	39	filter	filter	NN
12787	1602	40	,	,	,
12787	1602	41	without	without	IN
12787	1602	42	the	the	DT
12787	1602	43	removal	removal	NN
12787	1602	44	of	of	IN
12787	1602	45	the	the	DT
12787	1602	46	preceding	precede	VBG
12787	1602	47	portions	portion	NNS
12787	1602	48	,	,	,
12787	1602	49	until	until	IN
12787	1602	50	the	the	DT
12787	1602	51	crucible	crucible	NN
12787	1602	52	is	be	VBZ
12787	1602	53	about	about	RB
12787	1602	54	two	two	CD
12787	1602	55	thirds	third	NNS
12787	1602	56	filled	fill	VBN
12787	1602	57	.	.	.
12787	1603	1	If	if	IN
12787	1603	2	the	the	DT
12787	1603	3	felt	felt	NN
12787	1603	4	is	be	VBZ
12787	1603	5	properly	properly	RB
12787	1603	6	prepared	prepare	VBN
12787	1603	7	,	,	,
12787	1603	8	filtration	filtration	NN
12787	1603	9	and	and	CC
12787	1603	10	washing	washing	NN
12787	1603	11	are	be	VBP
12787	1603	12	rapidly	rapidly	RB
12787	1603	13	accomplished	accomplish	VBN
12787	1603	14	on	on	IN
12787	1603	15	this	this	DT
12787	1603	16	filter	filter	NN
12787	1603	17	,	,	,
12787	1603	18	and	and	CC
12787	1603	19	this	this	DT
12787	1603	20	,	,	,
12787	1603	21	combined	combine	VBN
12787	1603	22	with	with	IN
12787	1603	23	the	the	DT
12787	1603	24	possibility	possibility	NN
12787	1603	25	of	of	IN
12787	1603	26	collecting	collect	VBG
12787	1603	27	several	several	JJ
12787	1603	28	precipitates	precipitate	NNS
12787	1603	29	on	on	IN
12787	1603	30	the	the	DT
12787	1603	31	same	same	JJ
12787	1603	32	filter	filter	NN
12787	1603	33	,	,	,
12787	1603	34	is	be	VBZ
12787	1603	35	a	a	DT
12787	1603	36	strong	strong	JJ
12787	1603	37	argument	argument	NN
12787	1603	38	in	in	IN
12787	1603	39	favor	favor	NN
12787	1603	40	of	of	IN
12787	1603	41	its	-PRON-	PRP$
12787	1603	42	use	use	NN
12787	1603	43	with	with	IN
12787	1603	44	any	any	DT
12787	1603	45	but	but	CC
12787	1603	46	gelatinous	gelatinous	JJ
12787	1603	47	precipitates	precipitate	NNS
12787	1603	48	.	.	.
12787	1603	49	]	]	-RRB-
12787	1604	1	!	!	.
12787	1604	2	Method	Method	NNP
12787	1604	3	B.	B.	NNP
12787	1605	1	With	with	IN
12787	1605	2	the	the	DT
12787	1605	3	Use	Use	NNP
12787	1605	4	of	of	IN
12787	1605	5	a	a	DT
12787	1605	6	Paper	Paper	NNP
12787	1605	7	Filter	Filter	NNP
12787	1605	8	!	!	.
12787	1606	1	PROCEDURE.--Weigh	procedure.--weigh	VB
12787	1606	2	out	out	RP
12787	1606	3	two	two	CD
12787	1606	4	portions	portion	NNS
12787	1606	5	of	of	IN
12787	1606	6	sodium	sodium	NN
12787	1606	7	chloride	chloride	NN
12787	1606	8	of	of	IN
12787	1606	9	about	about	RB
12787	1606	10	0.25	0.25	CD
12787	1606	11	-	-	SYM
12787	1606	12	0.3	0.3	CD
12787	1606	13	gram	gram	NN
12787	1606	14	each	each	DT
12787	1606	15	and	and	CC
12787	1606	16	proceed	proceed	VB
12787	1606	17	with	with	IN
12787	1606	18	the	the	DT
12787	1606	19	precipitation	precipitation	NN
12787	1606	20	of	of	IN
12787	1606	21	the	the	DT
12787	1606	22	silver	silver	NN
12787	1606	23	chloride	chloride	NN
12787	1606	24	as	as	IN
12787	1606	25	described	describe	VBN
12787	1606	26	under	under	IN
12787	1606	27	Method	Method	NNP
12787	1606	28	A	A	NNP
12787	1606	29	above	above	RB
12787	1606	30	.	.	.
12787	1607	1	When	when	WRB
12787	1607	2	the	the	DT
12787	1607	3	chloride	chloride	NN
12787	1607	4	is	be	VBZ
12787	1607	5	ready	ready	JJ
12787	1607	6	for	for	IN
12787	1607	7	filtration	filtration	NN
12787	1607	8	prepare	prepare	VBP
12787	1607	9	two	two	CD
12787	1607	10	9	9	CD
12787	1607	11	cm	cm	NNS
12787	1607	12	.	.	.
12787	1608	1	washed	washed	JJ
12787	1608	2	paper	paper	NN
12787	1608	3	filters	filter	NNS
12787	1608	4	(	(	-LRB-
12787	1608	5	see	see	VB
12787	1608	6	Appendix	Appendix	NNP
12787	1608	7	)	)	-RRB-
12787	1608	8	.	.	.
12787	1609	1	Pour	pour	VB
12787	1609	2	the	the	DT
12787	1609	3	liquid	liquid	NN
12787	1609	4	above	above	IN
12787	1609	5	the	the	DT
12787	1609	6	precipitates	precipitate	NNS
12787	1609	7	through	through	IN
12787	1609	8	the	the	DT
12787	1609	9	filters	filter	NNS
12787	1609	10	,	,	,
12787	1609	11	wash	wash	VB
12787	1609	12	twice	twice	RB
12787	1609	13	by	by	IN
12787	1609	14	decantation	decantation	NN
12787	1609	15	and	and	CC
12787	1609	16	transfer	transfer	VB
12787	1609	17	the	the	DT
12787	1609	18	precipitates	precipitate	NNS
12787	1609	19	to	to	IN
12787	1609	20	the	the	DT
12787	1609	21	filters	filter	NNS
12787	1609	22	,	,	,
12787	1609	23	finally	finally	RB
12787	1609	24	washing	wash	VBG
12787	1609	25	them	-PRON-	PRP
12787	1609	26	until	until	IN
12787	1609	27	free	free	JJ
12787	1609	28	from	from	IN
12787	1609	29	silver	silver	NN
12787	1609	30	solution	solution	NN
12787	1609	31	as	as	IN
12787	1609	32	described	describe	VBN
12787	1609	33	.	.	.
12787	1610	1	The	the	DT
12787	1610	2	funnel	funnel	NN
12787	1610	3	should	should	MD
12787	1610	4	then	then	RB
12787	1610	5	be	be	VB
12787	1610	6	covered	cover	VBN
12787	1610	7	with	with	IN
12787	1610	8	a	a	DT
12787	1610	9	moistened	moisten	VBN
12787	1610	10	filter	filter	NN
12787	1610	11	paper	paper	NN
12787	1610	12	by	by	IN
12787	1610	13	stretching	stretch	VBG
12787	1610	14	it	-PRON-	PRP
12787	1610	15	over	over	IN
12787	1610	16	the	the	DT
12787	1610	17	top	top	NN
12787	1610	18	and	and	CC
12787	1610	19	edges	edge	NNS
12787	1610	20	,	,	,
12787	1610	21	to	to	TO
12787	1610	22	which	which	WDT
12787	1610	23	it	-PRON-	PRP
12787	1610	24	will	will	MD
12787	1610	25	adhere	adhere	VB
12787	1610	26	on	on	IN
12787	1610	27	drying	drying	NN
12787	1610	28	.	.	.
12787	1611	1	It	-PRON-	PRP
12787	1611	2	should	should	MD
12787	1611	3	be	be	VB
12787	1611	4	properly	properly	RB
12787	1611	5	labeled	label	VBN
12787	1611	6	with	with	IN
12787	1611	7	the	the	DT
12787	1611	8	student	student	NN
12787	1611	9	's	's	POS
12787	1611	10	name	name	NN
12787	1611	11	and	and	CC
12787	1611	12	desk	desk	NN
12787	1611	13	number	number	NN
12787	1611	14	,	,	,
12787	1611	15	and	and	CC
12787	1611	16	then	then	RB
12787	1611	17	placed	place	VBD
12787	1611	18	in	in	IN
12787	1611	19	a	a	DT
12787	1611	20	drying	drying	NN
12787	1611	21	closet	closet	NN
12787	1611	22	,	,	,
12787	1611	23	at	at	IN
12787	1611	24	a	a	DT
12787	1611	25	temperature	temperature	NN
12787	1611	26	of	of	IN
12787	1611	27	about	about	RB
12787	1611	28	100	100	CD
12787	1611	29	-	-	HYPH
12787	1611	30	110Â	110Â	NNP
12787	1611	31	°	°	,
12787	1611	32	C	C	NNP
12787	1611	33	.	.	NNP
12787	1611	34	,	,	,
12787	1611	35	until	until	IN
12787	1611	36	completely	completely	RB
12787	1611	37	dry	dry	JJ
12787	1611	38	.	.	.
12787	1612	1	The	the	DT
12787	1612	2	perfectly	perfectly	RB
12787	1612	3	dry	dry	JJ
12787	1612	4	filter	filter	NN
12787	1612	5	is	be	VBZ
12787	1612	6	then	then	RB
12787	1612	7	opened	open	VBN
12787	1612	8	over	over	IN
12787	1612	9	a	a	DT
12787	1612	10	circular	circular	JJ
12787	1612	11	piece	piece	NN
12787	1612	12	of	of	IN
12787	1612	13	clean	clean	JJ
12787	1612	14	,	,	,
12787	1612	15	smooth	smooth	JJ
12787	1612	16	,	,	,
12787	1612	17	glazed	glazed	JJ
12787	1612	18	paper	paper	NN
12787	1612	19	about	about	IN
12787	1612	20	six	six	CD
12787	1612	21	inches	inch	NNS
12787	1612	22	in	in	IN
12787	1612	23	diameter	diameter	NN
12787	1612	24	,	,	,
12787	1612	25	placed	place	VBN
12787	1612	26	upon	upon	IN
12787	1612	27	a	a	DT
12787	1612	28	larger	large	JJR
12787	1612	29	piece	piece	NN
12787	1612	30	about	about	IN
12787	1612	31	twelve	twelve	CD
12787	1612	32	inches	inch	NNS
12787	1612	33	in	in	IN
12787	1612	34	diameter	diameter	NN
12787	1612	35	.	.	.
12787	1613	1	The	the	DT
12787	1613	2	precipitate	precipitate	NN
12787	1613	3	is	be	VBZ
12787	1613	4	removed	remove	VBN
12787	1613	5	from	from	IN
12787	1613	6	the	the	DT
12787	1613	7	filter	filter	NN
12787	1613	8	as	as	RB
12787	1613	9	completely	completely	RB
12787	1613	10	as	as	IN
12787	1613	11	possible	possible	JJ
12787	1613	12	by	by	IN
12787	1613	13	rubbing	rub	VBG
12787	1613	14	the	the	DT
12787	1613	15	sides	side	NNS
12787	1613	16	gently	gently	RB
12787	1613	17	together	together	RB
12787	1613	18	,	,	,
12787	1613	19	or	or	CC
12787	1613	20	by	by	IN
12787	1613	21	scraping	scrape	VBG
12787	1613	22	them	-PRON-	PRP
12787	1613	23	cautiously	cautiously	RB
12787	1613	24	with	with	IN
12787	1613	25	a	a	DT
12787	1613	26	feather	feather	NN
12787	1613	27	which	which	WDT
12787	1613	28	has	have	VBZ
12787	1613	29	been	be	VBN
12787	1613	30	cut	cut	VBN
12787	1613	31	close	close	RB
12787	1613	32	to	to	IN
12787	1613	33	the	the	DT
12787	1613	34	quill	quill	NN
12787	1613	35	and	and	CC
12787	1613	36	is	be	VBZ
12787	1613	37	slightly	slightly	RB
12787	1613	38	stiff	stiff	JJ
12787	1613	39	(	(	-LRB-
12787	1613	40	Note	note	NN
12787	1613	41	1	1	CD
12787	1613	42	)	)	-RRB-
12787	1613	43	.	.	.
12787	1614	1	In	in	IN
12787	1614	2	either	either	DT
12787	1614	3	case	case	NN
12787	1614	4	,	,	,
12787	1614	5	care	care	NN
12787	1614	6	must	must	MD
12787	1614	7	be	be	VB
12787	1614	8	taken	take	VBN
12787	1614	9	not	not	RB
12787	1614	10	to	to	TO
12787	1614	11	rub	rub	VB
12787	1614	12	off	off	RP
12787	1614	13	any	any	DT
12787	1614	14	considerable	considerable	JJ
12787	1614	15	quantity	quantity	NN
12787	1614	16	of	of	IN
12787	1614	17	the	the	DT
12787	1614	18	paper	paper	NN
12787	1614	19	,	,	,
12787	1614	20	nor	nor	CC
12787	1614	21	to	to	TO
12787	1614	22	lose	lose	VB
12787	1614	23	silver	silver	NN
12787	1614	24	chloride	chloride	NN
12787	1614	25	in	in	IN
12787	1614	26	the	the	DT
12787	1614	27	form	form	NN
12787	1614	28	of	of	IN
12787	1614	29	dust	dust	NN
12787	1614	30	.	.	.
12787	1615	1	Cover	cover	VB
12787	1615	2	the	the	DT
12787	1615	3	precipitate	precipitate	NN
12787	1615	4	on	on	IN
12787	1615	5	the	the	DT
12787	1615	6	glazed	glaze	VBN
12787	1615	7	paper	paper	NN
12787	1615	8	with	with	IN
12787	1615	9	a	a	DT
12787	1615	10	watch	watch	NN
12787	1615	11	-	-	HYPH
12787	1615	12	glass	glass	NN
12787	1615	13	to	to	TO
12787	1615	14	prevent	prevent	VB
12787	1615	15	loss	loss	NN
12787	1615	16	of	of	IN
12787	1615	17	fine	fine	JJ
12787	1615	18	particles	particle	NNS
12787	1615	19	and	and	CC
12787	1615	20	to	to	TO
12787	1615	21	protect	protect	VB
12787	1615	22	it	-PRON-	PRP
12787	1615	23	from	from	IN
12787	1615	24	dust	dust	NN
12787	1615	25	from	from	IN
12787	1615	26	the	the	DT
12787	1615	27	air	air	NN
12787	1615	28	.	.	.
12787	1616	1	Fold	fold	VB
12787	1616	2	the	the	DT
12787	1616	3	filter	filter	NN
12787	1616	4	paper	paper	NN
12787	1616	5	carefully	carefully	RB
12787	1616	6	,	,	,
12787	1616	7	roll	roll	VB
12787	1616	8	it	-PRON-	PRP
12787	1616	9	into	into	IN
12787	1616	10	a	a	DT
12787	1616	11	small	small	JJ
12787	1616	12	cone	cone	NN
12787	1616	13	,	,	,
12787	1616	14	and	and	CC
12787	1616	15	wind	wind	NN
12787	1616	16	loosely	loosely	RB
12787	1616	17	around	around	RB
12787	1616	18	!	!	.
12787	1616	19	the	the	DT
12787	1616	20	top	top	NN
12787	1616	21	!	!	.
12787	1617	1	a	a	DT
12787	1617	2	piece	piece	NN
12787	1617	3	of	of	IN
12787	1617	4	small	small	JJ
12787	1617	5	platinum	platinum	NN
12787	1617	6	wire	wire	NN
12787	1617	7	(	(	-LRB-
12787	1617	8	Note	note	NN
12787	1617	9	2	2	CD
12787	1617	10	)	)	-RRB-
12787	1617	11	.	.	.
12787	1618	1	Hold	hold	VB
12787	1618	2	the	the	DT
12787	1618	3	filter	filter	NN
12787	1618	4	by	by	IN
12787	1618	5	the	the	DT
12787	1618	6	wire	wire	NN
12787	1618	7	over	over	IN
12787	1618	8	a	a	DT
12787	1618	9	small	small	JJ
12787	1618	10	porcelain	porcelain	NN
12787	1618	11	crucible	crucible	JJ
12787	1618	12	(	(	-LRB-
12787	1618	13	which	which	WDT
12787	1618	14	has	have	VBZ
12787	1618	15	been	be	VBN
12787	1618	16	cleaned	clean	VBN
12787	1618	17	,	,	,
12787	1618	18	ignited	ignite	VBN
12787	1618	19	,	,	,
12787	1618	20	cooled	cool	VBD
12787	1618	21	in	in	IN
12787	1618	22	a	a	DT
12787	1618	23	desiccator	desiccator	NN
12787	1618	24	,	,	,
12787	1618	25	and	and	CC
12787	1618	26	weighed	weigh	VBD
12787	1618	27	)	)	-RRB-
12787	1618	28	,	,	,
12787	1618	29	ignite	ignite	VB
12787	1618	30	it	-PRON-	PRP
12787	1618	31	,	,	,
12787	1618	32	and	and	CC
12787	1618	33	allow	allow	VB
12787	1618	34	the	the	DT
12787	1618	35	ash	ash	NN
12787	1618	36	to	to	TO
12787	1618	37	fall	fall	VB
12787	1618	38	into	into	IN
12787	1618	39	the	the	DT
12787	1618	40	crucible	crucible	NN
12787	1618	41	.	.	.
12787	1619	1	Place	place	VB
12787	1619	2	the	the	DT
12787	1619	3	crucible	crucible	NN
12787	1619	4	upon	upon	IN
12787	1619	5	a	a	DT
12787	1619	6	clean	clean	JJ
12787	1619	7	clay	clay	NN
12787	1619	8	triangle	triangle	NN
12787	1619	9	,	,	,
12787	1619	10	on	on	IN
12787	1619	11	its	-PRON-	PRP$
12787	1619	12	side	side	NN
12787	1619	13	,	,	,
12787	1619	14	and	and	CC
12787	1619	15	ignite	ignite	VB
12787	1619	16	,	,	,
12787	1619	17	with	with	IN
12787	1619	18	a	a	DT
12787	1619	19	low	low	JJ
12787	1619	20	flame	flame	NN
12787	1619	21	well	well	RB
12787	1619	22	at	at	IN
12787	1619	23	its	-PRON-	PRP$
12787	1619	24	base	base	NN
12787	1619	25	,	,	,
12787	1619	26	until	until	IN
12787	1619	27	all	all	PDT
12787	1619	28	the	the	DT
12787	1619	29	carbon	carbon	NN
12787	1619	30	of	of	IN
12787	1619	31	the	the	DT
12787	1619	32	filter	filter	NN
12787	1619	33	has	have	VBZ
12787	1619	34	been	be	VBN
12787	1619	35	consumed	consume	VBN
12787	1619	36	.	.	.
12787	1620	1	Allow	allow	VB
12787	1620	2	the	the	DT
12787	1620	3	crucible	crucible	NN
12787	1620	4	to	to	TO
12787	1620	5	cool	cool	VB
12787	1620	6	,	,	,
12787	1620	7	add	add	VB
12787	1620	8	two	two	CD
12787	1620	9	drops	drop	NNS
12787	1620	10	of	of	IN
12787	1620	11	concentrated	concentrated	JJ
12787	1620	12	nitric	nitric	JJ
12787	1620	13	acid	acid	NN
12787	1620	14	and	and	CC
12787	1620	15	one	one	CD
12787	1620	16	drop	drop	NN
12787	1620	17	of	of	IN
12787	1620	18	concentrated	concentrated	JJ
12787	1620	19	hydrochloric	hydrochloric	JJ
12787	1620	20	acid	acid	NN
12787	1620	21	,	,	,
12787	1620	22	and	and	CC
12787	1620	23	heat	heat	NN
12787	1620	24	!	!	.
12787	1620	25	very	very	RB
12787	1620	26	cautiously	cautiously	RB
12787	1620	27	!	!	.
12787	1620	28	,	,	,
12787	1620	29	to	to	TO
12787	1620	30	avoid	avoid	VB
12787	1620	31	spattering	spattering	NN
12787	1620	32	,	,	,
12787	1620	33	until	until	IN
12787	1620	34	the	the	DT
12787	1620	35	acids	acid	NNS
12787	1620	36	have	have	VBP
12787	1620	37	been	be	VBN
12787	1620	38	expelled	expel	VBN
12787	1620	39	;	;	:
12787	1620	40	then	then	RB
12787	1620	41	transfer	transfer	VB
12787	1620	42	the	the	DT
12787	1620	43	main	main	JJ
12787	1620	44	portion	portion	NN
12787	1620	45	of	of	IN
12787	1620	46	the	the	DT
12787	1620	47	precipitate	precipitate	NN
12787	1620	48	from	from	IN
12787	1620	49	the	the	DT
12787	1620	50	glazed	glaze	VBN
12787	1620	51	paper	paper	NN
12787	1620	52	to	to	IN
12787	1620	53	the	the	DT
12787	1620	54	cooled	cool	VBN
12787	1620	55	crucible	crucible	JJ
12787	1620	56	,	,	,
12787	1620	57	placing	place	VBG
12787	1620	58	the	the	DT
12787	1620	59	latter	latter	NN
12787	1620	60	on	on	IN
12787	1620	61	the	the	DT
12787	1620	62	larger	large	JJR
12787	1620	63	piece	piece	NN
12787	1620	64	of	of	IN
12787	1620	65	glazed	glaze	VBN
12787	1620	66	paper	paper	NN
12787	1620	67	and	and	CC
12787	1620	68	brushing	brush	VBG
12787	1620	69	the	the	DT
12787	1620	70	precipitate	precipitate	NN
12787	1620	71	from	from	IN
12787	1620	72	the	the	DT
12787	1620	73	smaller	small	JJR
12787	1620	74	piece	piece	NN
12787	1620	75	into	into	IN
12787	1620	76	it	-PRON-	PRP
12787	1620	77	,	,	,
12787	1620	78	sweeping	sweep	VBG
12787	1620	79	off	off	RP
12787	1620	80	all	all	DT
12787	1620	81	particles	particle	NNS
12787	1620	82	belonging	belong	VBG
12787	1620	83	to	to	IN
12787	1620	84	the	the	DT
12787	1620	85	determination	determination	NN
12787	1620	86	.	.	.
12787	1621	1	Moisten	moisten	VB
12787	1621	2	the	the	DT
12787	1621	3	precipitate	precipitate	NN
12787	1621	4	with	with	IN
12787	1621	5	two	two	CD
12787	1621	6	drops	drop	NNS
12787	1621	7	of	of	IN
12787	1621	8	concentrated	concentrated	JJ
12787	1621	9	nitric	nitric	JJ
12787	1621	10	acid	acid	NN
12787	1621	11	and	and	CC
12787	1621	12	one	one	CD
12787	1621	13	drop	drop	NN
12787	1621	14	of	of	IN
12787	1621	15	concentrated	concentrated	JJ
12787	1621	16	hydrochloric	hydrochloric	JJ
12787	1621	17	acid	acid	NN
12787	1621	18	,	,	,
12787	1621	19	and	and	CC
12787	1621	20	again	again	RB
12787	1621	21	heat	heat	VBP
12787	1621	22	with	with	IN
12787	1621	23	great	great	JJ
12787	1621	24	caution	caution	NN
12787	1621	25	until	until	IN
12787	1621	26	the	the	DT
12787	1621	27	acids	acid	NNS
12787	1621	28	are	be	VBP
12787	1621	29	expelled	expel	VBN
12787	1621	30	and	and	CC
12787	1621	31	the	the	DT
12787	1621	32	precipitate	precipitate	NN
12787	1621	33	is	be	VBZ
12787	1621	34	white	white	JJ
12787	1621	35	,	,	,
12787	1621	36	when	when	WRB
12787	1621	37	the	the	DT
12787	1621	38	temperature	temperature	NN
12787	1621	39	is	be	VBZ
12787	1621	40	slowly	slowly	RB
12787	1621	41	raised	raise	VBN
12787	1621	42	until	until	IN
12787	1621	43	the	the	DT
12787	1621	44	silver	silver	NN
12787	1621	45	chloride	chloride	NN
12787	1621	46	just	just	RB
12787	1621	47	begins	begin	VBZ
12787	1621	48	to	to	TO
12787	1621	49	fuse	fuse	VB
12787	1621	50	at	at	IN
12787	1621	51	the	the	DT
12787	1621	52	edges	edge	NNS
12787	1621	53	(	(	-LRB-
12787	1621	54	Note	note	NN
12787	1621	55	3	3	CD
12787	1621	56	)	)	-RRB-
12787	1621	57	.	.	.
12787	1622	1	The	the	DT
12787	1622	2	crucible	crucible	NN
12787	1622	3	is	be	VBZ
12787	1622	4	then	then	RB
12787	1622	5	cooled	cool	VBN
12787	1622	6	in	in	IN
12787	1622	7	a	a	DT
12787	1622	8	desiccator	desiccator	NN
12787	1622	9	and	and	CC
12787	1622	10	weighed	weigh	VBD
12787	1622	11	,	,	,
12787	1622	12	after	after	IN
12787	1622	13	which	which	WDT
12787	1622	14	the	the	DT
12787	1622	15	heating	heating	NN
12787	1622	16	(	(	-LRB-
12787	1622	17	without	without	IN
12787	1622	18	the	the	DT
12787	1622	19	addition	addition	NN
12787	1622	20	of	of	IN
12787	1622	21	acids	acid	NNS
12787	1622	22	)	)	-RRB-
12787	1622	23	is	be	VBZ
12787	1622	24	repeated	repeat	VBN
12787	1622	25	,	,	,
12787	1622	26	and	and	CC
12787	1622	27	it	-PRON-	PRP
12787	1622	28	is	be	VBZ
12787	1622	29	again	again	RB
12787	1622	30	weighed	weigh	VBN
12787	1622	31	.	.	.
12787	1623	1	This	this	DT
12787	1623	2	must	must	MD
12787	1623	3	be	be	VB
12787	1623	4	continued	continue	VBN
12787	1623	5	until	until	IN
12787	1623	6	the	the	DT
12787	1623	7	weight	weight	NN
12787	1623	8	is	be	VBZ
12787	1623	9	constant	constant	JJ
12787	1623	10	within	within	IN
12787	1623	11	0.0003	0.0003	CD
12787	1623	12	gram	gram	NN
12787	1623	13	in	in	IN
12787	1623	14	two	two	CD
12787	1623	15	consecutive	consecutive	JJ
12787	1623	16	weighings	weighing	NNS
12787	1623	17	.	.	.
12787	1624	1	Deduct	deduct	VB
12787	1624	2	the	the	DT
12787	1624	3	weight	weight	NN
12787	1624	4	of	of	IN
12787	1624	5	the	the	DT
12787	1624	6	crucible	crucible	JJ
12787	1624	7	,	,	,
12787	1624	8	and	and	CC
12787	1624	9	calculate	calculate	VB
12787	1624	10	the	the	DT
12787	1624	11	percentage	percentage	NN
12787	1624	12	of	of	IN
12787	1624	13	chlorine	chlorine	NN
12787	1624	14	in	in	IN
12787	1624	15	the	the	DT
12787	1624	16	sample	sample	NN
12787	1624	17	of	of	IN
12787	1624	18	sodium	sodium	NN
12787	1624	19	chloride	chloride	NN
12787	1624	20	taken	take	VBN
12787	1624	21	for	for	IN
12787	1624	22	analysis	analysis	NN
12787	1624	23	.	.	.
12787	1625	1	[	[	-LRB-
12787	1625	2	Note	note	NN
12787	1625	3	1	1	CD
12787	1625	4	:	:	:
12787	1625	5	The	the	DT
12787	1625	6	separation	separation	NN
12787	1625	7	of	of	IN
12787	1625	8	the	the	DT
12787	1625	9	silver	silver	NN
12787	1625	10	chloride	chloride	NN
12787	1625	11	from	from	IN
12787	1625	12	the	the	DT
12787	1625	13	filter	filter	NN
12787	1625	14	is	be	VBZ
12787	1625	15	essential	essential	JJ
12787	1625	16	,	,	,
12787	1625	17	since	since	IN
12787	1625	18	the	the	DT
12787	1625	19	burning	burn	VBG
12787	1625	20	carbon	carbon	NN
12787	1625	21	of	of	IN
12787	1625	22	the	the	DT
12787	1625	23	paper	paper	NN
12787	1625	24	would	would	MD
12787	1625	25	reduce	reduce	VB
12787	1625	26	a	a	DT
12787	1625	27	considerable	considerable	JJ
12787	1625	28	quantity	quantity	NN
12787	1625	29	of	of	IN
12787	1625	30	the	the	DT
12787	1625	31	precipitate	precipitate	NN
12787	1625	32	to	to	IN
12787	1625	33	metallic	metallic	JJ
12787	1625	34	silver	silver	NN
12787	1625	35	,	,	,
12787	1625	36	and	and	CC
12787	1625	37	its	-PRON-	PRP$
12787	1625	38	complete	complete	JJ
12787	1625	39	reconversion	reconversion	NN
12787	1625	40	to	to	IN
12787	1625	41	the	the	DT
12787	1625	42	chloride	chloride	NN
12787	1625	43	within	within	IN
12787	1625	44	the	the	DT
12787	1625	45	crucible	crucible	JJ
12787	1625	46	,	,	,
12787	1625	47	by	by	IN
12787	1625	48	means	mean	NNS
12787	1625	49	of	of	IN
12787	1625	50	acids	acid	NNS
12787	1625	51	,	,	,
12787	1625	52	would	would	MD
12787	1625	53	be	be	VB
12787	1625	54	accompanied	accompany	VBN
12787	1625	55	by	by	IN
12787	1625	56	some	some	DT
12787	1625	57	difficulty	difficulty	NN
12787	1625	58	.	.	.
12787	1626	1	The	the	DT
12787	1626	2	small	small	JJ
12787	1626	3	amount	amount	NN
12787	1626	4	of	of	IN
12787	1626	5	silver	silver	NN
12787	1626	6	reduced	reduce	VBN
12787	1626	7	from	from	IN
12787	1626	8	the	the	DT
12787	1626	9	chloride	chloride	NN
12787	1626	10	adhering	adhere	VBG
12787	1626	11	to	to	IN
12787	1626	12	the	the	DT
12787	1626	13	filter	filter	NN
12787	1626	14	paper	paper	NN
12787	1626	15	after	after	IN
12787	1626	16	separating	separate	VBG
12787	1626	17	the	the	DT
12787	1626	18	bulk	bulk	NN
12787	1626	19	of	of	IN
12787	1626	20	the	the	DT
12787	1626	21	precipitate	precipitate	NN
12787	1626	22	,	,	,
12787	1626	23	and	and	CC
12787	1626	24	igniting	ignite	VBG
12787	1626	25	the	the	DT
12787	1626	26	paper	paper	NN
12787	1626	27	as	as	IN
12787	1626	28	prescribed	prescribe	VBN
12787	1626	29	,	,	,
12787	1626	30	can	can	MD
12787	1626	31	be	be	VB
12787	1626	32	dissolved	dissolve	VBN
12787	1626	33	in	in	IN
12787	1626	34	nitric	nitric	JJ
12787	1626	35	acid	acid	NN
12787	1626	36	,	,	,
12787	1626	37	and	and	CC
12787	1626	38	completely	completely	RB
12787	1626	39	reconverted	reconvert	VBN
12787	1626	40	to	to	IN
12787	1626	41	chloride	chloride	NN
12787	1626	42	by	by	IN
12787	1626	43	hydrochloric	hydrochloric	JJ
12787	1626	44	acid	acid	NN
12787	1626	45	.	.	.
12787	1627	1	The	the	DT
12787	1627	2	subsequent	subsequent	JJ
12787	1627	3	addition	addition	NN
12787	1627	4	of	of	IN
12787	1627	5	the	the	DT
12787	1627	6	two	two	CD
12787	1627	7	acids	acid	NNS
12787	1627	8	to	to	IN
12787	1627	9	the	the	DT
12787	1627	10	main	main	JJ
12787	1627	11	portion	portion	NN
12787	1627	12	of	of	IN
12787	1627	13	the	the	DT
12787	1627	14	precipitate	precipitate	NN
12787	1627	15	restores	restore	VBZ
12787	1627	16	the	the	DT
12787	1627	17	chlorine	chlorine	NN
12787	1627	18	to	to	IN
12787	1627	19	any	any	DT
12787	1627	20	chloride	chloride	NN
12787	1627	21	which	which	WDT
12787	1627	22	may	may	MD
12787	1627	23	have	have	VB
12787	1627	24	been	be	VBN
12787	1627	25	partially	partially	RB
12787	1627	26	reduced	reduce	VBN
12787	1627	27	by	by	IN
12787	1627	28	the	the	DT
12787	1627	29	sunlight	sunlight	NN
12787	1627	30	.	.	.
12787	1628	1	The	the	DT
12787	1628	2	excess	excess	NN
12787	1628	3	of	of	IN
12787	1628	4	the	the	DT
12787	1628	5	acids	acid	NNS
12787	1628	6	is	be	VBZ
12787	1628	7	volatilized	volatilize	VBN
12787	1628	8	by	by	IN
12787	1628	9	heating	heating	NN
12787	1628	10	.	.	.
12787	1628	11	]	]	-RRB-
12787	1629	1	[	[	-LRB-
12787	1629	2	Note	note	NN
12787	1629	3	2	2	CD
12787	1629	4	:	:	:
12787	1629	5	The	the	DT
12787	1629	6	platinum	platinum	NN
12787	1629	7	wire	wire	NN
12787	1629	8	is	be	VBZ
12787	1629	9	wrapped	wrap	VBN
12787	1629	10	around	around	IN
12787	1629	11	the	the	DT
12787	1629	12	top	top	NN
12787	1629	13	of	of	IN
12787	1629	14	the	the	DT
12787	1629	15	filter	filter	NN
12787	1629	16	during	during	IN
12787	1629	17	its	-PRON-	PRP$
12787	1629	18	incineration	incineration	NN
12787	1629	19	to	to	TO
12787	1629	20	avoid	avoid	VB
12787	1629	21	contact	contact	NN
12787	1629	22	with	with	IN
12787	1629	23	any	any	DT
12787	1629	24	reduced	reduced	JJ
12787	1629	25	silver	silver	NN
12787	1629	26	from	from	IN
12787	1629	27	the	the	DT
12787	1629	28	reduction	reduction	NN
12787	1629	29	of	of	IN
12787	1629	30	the	the	DT
12787	1629	31	precipitate	precipitate	NN
12787	1629	32	.	.	.
12787	1630	1	If	if	IN
12787	1630	2	the	the	DT
12787	1630	3	wire	wire	NN
12787	1630	4	were	be	VBD
12787	1630	5	placed	place	VBN
12787	1630	6	nearer	nearer	IN
12787	1630	7	the	the	DT
12787	1630	8	apex	apex	NN
12787	1630	9	,	,	,
12787	1630	10	such	such	JJ
12787	1630	11	contact	contact	NN
12787	1630	12	could	could	MD
12787	1630	13	hardly	hardly	RB
12787	1630	14	be	be	VB
12787	1630	15	avoided	avoid	VBN
12787	1630	16	.	.	.
12787	1630	17	]	]	-RRB-
12787	1631	1	[	[	-LRB-
12787	1631	2	Note	note	NN
12787	1631	3	3	3	CD
12787	1631	4	:	:	:
12787	1631	5	Silver	silver	NN
12787	1631	6	chloride	chloride	NN
12787	1631	7	should	should	MD
12787	1631	8	not	not	RB
12787	1631	9	be	be	VB
12787	1631	10	heated	heat	VBN
12787	1631	11	to	to	TO
12787	1631	12	complete	complete	JJ
12787	1631	13	fusion	fusion	NN
12787	1631	14	,	,	,
12787	1631	15	since	since	IN
12787	1631	16	a	a	DT
12787	1631	17	slight	slight	JJ
12787	1631	18	loss	loss	NN
12787	1631	19	by	by	IN
12787	1631	20	volatilization	volatilization	NN
12787	1631	21	is	be	VBZ
12787	1631	22	possible	possible	JJ
12787	1631	23	at	at	IN
12787	1631	24	high	high	JJ
12787	1631	25	temperatures	temperature	NNS
12787	1631	26	.	.	.
12787	1632	1	The	the	DT
12787	1632	2	temperature	temperature	NN
12787	1632	3	of	of	IN
12787	1632	4	fusion	fusion	NN
12787	1632	5	is	be	VBZ
12787	1632	6	not	not	RB
12787	1632	7	always	always	RB
12787	1632	8	sufficient	sufficient	JJ
12787	1632	9	to	to	TO
12787	1632	10	destroy	destroy	VB
12787	1632	11	filter	filter	NN
12787	1632	12	shreds	shred	NNS
12787	1632	13	;	;	:
12787	1632	14	hence	hence	RB
12787	1632	15	these	these	DT
12787	1632	16	should	should	MD
12787	1632	17	not	not	RB
12787	1632	18	be	be	VB
12787	1632	19	allowed	allow	VBN
12787	1632	20	to	to	TO
12787	1632	21	contaminate	contaminate	VB
12787	1632	22	the	the	DT
12787	1632	23	precipitate	precipitate	NN
12787	1632	24	.	.	.
12787	1632	25	]	]	-RRB-
12787	1633	1	DETERMINATION	DETERMINATION	NNP
12787	1633	2	OF	of	IN
12787	1633	3	IRON	IRON	NNP
12787	1633	4	AND	and	CC
12787	1633	5	OF	of	IN
12787	1633	6	SULPHUR	SULPHUR	NNP
12787	1633	7	IN	in	IN
12787	1633	8	FERROUS	FERROUS	NNP
12787	1633	9	AMMONIUM	AMMONIUM	NNP
12787	1633	10	SULPHATE	SULPHATE	NNP
12787	1633	11	,	,	,
12787	1633	12	FESO_{4	FESO_{4	NNP
12787	1633	13	}	}	-RRB-
12787	1633	14	.	.	.
12787	1634	1	(	(	-LRB-
12787	1634	2	NH_{4})_{2}SO_{4}.6H_{2}O	NH_{4})_{2}SO_{4}.6H_{2}O	NNP
12787	1634	3	DETERMINATION	DETERMINATION	NNP
12787	1634	4	OF	of	IN
12787	1634	5	IRON	IRON	NNP
12787	1634	6	PROCEDURE.--Weigh	procedure.--weigh	RB
12787	1634	7	out	out	RP
12787	1634	8	into	into	IN
12787	1634	9	beakers	beaker	NNS
12787	1634	10	(	(	-LRB-
12787	1634	11	200	200	CD
12787	1634	12	-	-	SYM
12787	1634	13	250	250	CD
12787	1634	14	cc	cc	NNP
12787	1634	15	.	.	.
12787	1634	16	)	)	-RRB-
12787	1635	1	two	two	CD
12787	1635	2	portions	portion	NNS
12787	1635	3	of	of	IN
12787	1635	4	the	the	DT
12787	1635	5	sample	sample	NN
12787	1635	6	(	(	-LRB-
12787	1635	7	Note	note	NN
12787	1635	8	1	1	CD
12787	1635	9	)	)	-RRB-
12787	1635	10	of	of	IN
12787	1635	11	about	about	RB
12787	1635	12	1	1	CD
12787	1635	13	gram	gram	NN
12787	1635	14	each	each	DT
12787	1635	15	and	and	CC
12787	1635	16	dissolve	dissolve	VB
12787	1635	17	these	these	DT
12787	1635	18	in	in	IN
12787	1635	19	50	50	CD
12787	1635	20	cc	cc	NN
12787	1635	21	.	.	.
12787	1636	1	of	of	IN
12787	1636	2	water	water	NN
12787	1636	3	,	,	,
12787	1636	4	to	to	TO
12787	1636	5	which	which	WDT
12787	1636	6	1	1	CD
12787	1636	7	cc	cc	NN
12787	1636	8	.	.	.
12787	1637	1	of	of	IN
12787	1637	2	dilute	dilute	NNP
12787	1637	3	hydrochloric	hydrochloric	NNP
12787	1637	4	acid	acid	NNP
12787	1637	5	(	(	-LRB-
12787	1637	6	sp	sp	NNP
12787	1637	7	.	.	.
12787	1638	1	gr	gr	NNP
12787	1638	2	.	.	.
12787	1639	1	1.12	1.12	CD
12787	1639	2	)	)	-RRB-
12787	1639	3	has	have	VBZ
12787	1639	4	been	be	VBN
12787	1639	5	added	add	VBN
12787	1639	6	(	(	-LRB-
12787	1639	7	Note	note	NN
12787	1639	8	2	2	CD
12787	1639	9	)	)	-RRB-
12787	1639	10	.	.	.
12787	1640	1	Heat	heat	VB
12787	1640	2	the	the	DT
12787	1640	3	solution	solution	NN
12787	1640	4	to	to	IN
12787	1640	5	boiling	boil	VBG
12787	1640	6	,	,	,
12787	1640	7	and	and	CC
12787	1640	8	while	while	IN
12787	1640	9	at	at	IN
12787	1640	10	the	the	DT
12787	1640	11	boiling	boiling	NN
12787	1640	12	point	point	NN
12787	1640	13	add	add	VB
12787	1640	14	concentrated	concentrated	JJ
12787	1640	15	nitric	nitric	JJ
12787	1640	16	acid	acid	NN
12787	1640	17	(	(	-LRB-
12787	1640	18	sp	sp	NNP
12787	1640	19	.	.	.
12787	1641	1	gr	gr	NNP
12787	1641	2	.	.	.
12787	1642	1	1.42	1.42	CD
12787	1642	2	)	)	-RRB-
12787	1642	3	,	,	,
12787	1642	4	!	!	.
12787	1642	5	drop	drop	VB
12787	1642	6	by	by	IN
12787	1642	7	drop	drop	NN
12787	1642	8	!	!	.
12787	1643	1	(	(	-LRB-
12787	1643	2	noting	note	VBG
12787	1643	3	the	the	DT
12787	1643	4	volume	volume	NN
12787	1643	5	used	use	VBN
12787	1643	6	)	)	-RRB-
12787	1643	7	,	,	,
12787	1643	8	until	until	IN
12787	1643	9	the	the	DT
12787	1643	10	brown	brown	JJ
12787	1643	11	coloration	coloration	NN
12787	1643	12	,	,	,
12787	1643	13	which	which	WDT
12787	1643	14	appears	appear	VBZ
12787	1643	15	after	after	IN
12787	1643	16	the	the	DT
12787	1643	17	addition	addition	NN
12787	1643	18	of	of	IN
12787	1643	19	a	a	DT
12787	1643	20	part	part	NN
12787	1643	21	of	of	IN
12787	1643	22	the	the	DT
12787	1643	23	nitric	nitric	JJ
12787	1643	24	acid	acid	NN
12787	1643	25	,	,	,
12787	1643	26	gives	give	VBZ
12787	1643	27	place	place	NN
12787	1643	28	to	to	IN
12787	1643	29	a	a	DT
12787	1643	30	yellow	yellow	JJ
12787	1643	31	or	or	CC
12787	1643	32	red	red	JJ
12787	1643	33	(	(	-LRB-
12787	1643	34	Note	note	NN
12787	1643	35	3	3	CD
12787	1643	36	)	)	-RRB-
12787	1643	37	.	.	.
12787	1644	1	Avoid	avoid	VB
12787	1644	2	a	a	DT
12787	1644	3	large	large	JJ
12787	1644	4	excess	excess	NN
12787	1644	5	of	of	IN
12787	1644	6	nitric	nitric	JJ
12787	1644	7	acid	acid	NN
12787	1644	8	,	,	,
12787	1644	9	but	but	CC
12787	1644	10	be	be	VB
12787	1644	11	sure	sure	JJ
12787	1644	12	that	that	IN
12787	1644	13	the	the	DT
12787	1644	14	action	action	NN
12787	1644	15	is	be	VBZ
12787	1644	16	complete	complete	JJ
12787	1644	17	.	.	.
12787	1645	1	Pour	pour	VB
12787	1645	2	this	this	DT
12787	1645	3	solution	solution	NN
12787	1645	4	cautiously	cautiously	RB
12787	1645	5	into	into	IN
12787	1645	6	about	about	RB
12787	1645	7	200	200	CD
12787	1645	8	cc	cc	NN
12787	1645	9	.	.	.
12787	1646	1	of	of	IN
12787	1646	2	water	water	NN
12787	1646	3	,	,	,
12787	1646	4	containing	contain	VBG
12787	1646	5	a	a	DT
12787	1646	6	slight	slight	JJ
12787	1646	7	excess	excess	NN
12787	1646	8	of	of	IN
12787	1646	9	ammonia	ammonia	NN
12787	1646	10	.	.	.
12787	1647	1	Calculate	calculate	NN
12787	1647	2	for	for	IN
12787	1647	3	this	this	DT
12787	1647	4	purpose	purpose	NN
12787	1647	5	the	the	DT
12787	1647	6	amount	amount	NN
12787	1647	7	of	of	IN
12787	1647	8	aqueous	aqueous	JJ
12787	1647	9	ammonia	ammonia	NN
12787	1647	10	required	require	VBN
12787	1647	11	to	to	TO
12787	1647	12	neutralize	neutralize	VB
12787	1647	13	the	the	DT
12787	1647	14	hydrochloric	hydrochloric	JJ
12787	1647	15	and	and	CC
12787	1647	16	nitric	nitric	JJ
12787	1647	17	acids	acid	NNS
12787	1647	18	added	add	VBN
12787	1647	19	(	(	-LRB-
12787	1647	20	see	see	VB
12787	1647	21	Appendix	Appendix	NNP
12787	1647	22	for	for	IN
12787	1647	23	data	datum	NNS
12787	1647	24	)	)	-RRB-
12787	1647	25	,	,	,
12787	1647	26	and	and	CC
12787	1647	27	also	also	RB
12787	1647	28	to	to	TO
12787	1647	29	precipitate	precipitate	VB
12787	1647	30	the	the	DT
12787	1647	31	iron	iron	NN
12787	1647	32	as	as	IN
12787	1647	33	ferric	ferric	NNP
12787	1647	34	hydroxide	hydroxide	NN
12787	1647	35	from	from	IN
12787	1647	36	the	the	DT
12787	1647	37	weight	weight	NN
12787	1647	38	of	of	IN
12787	1647	39	the	the	DT
12787	1647	40	ferrous	ferrous	JJ
12787	1647	41	ammonium	ammonium	NN
12787	1647	42	sulphate	sulphate	NN
12787	1647	43	taken	take	VBN
12787	1647	44	for	for	IN
12787	1647	45	analysis	analysis	NN
12787	1647	46	,	,	,
12787	1647	47	assuming	assume	VBG
12787	1647	48	it	-PRON-	PRP
12787	1647	49	to	to	TO
12787	1647	50	be	be	VB
12787	1647	51	pure	pure	JJ
12787	1647	52	(	(	-LRB-
12787	1647	53	Note	note	NN
12787	1647	54	4	4	CD
12787	1647	55	)	)	-RRB-
12787	1647	56	.	.	.
12787	1648	1	The	the	DT
12787	1648	2	volume	volume	NN
12787	1648	3	thus	thus	RB
12787	1648	4	calculated	calculate	VBN
12787	1648	5	will	will	MD
12787	1648	6	be	be	VB
12787	1648	7	in	in	IN
12787	1648	8	excess	excess	NN
12787	1648	9	of	of	IN
12787	1648	10	that	that	DT
12787	1648	11	actually	actually	RB
12787	1648	12	required	require	VBN
12787	1648	13	for	for	IN
12787	1648	14	precipitation	precipitation	NN
12787	1648	15	,	,	,
12787	1648	16	since	since	IN
12787	1648	17	the	the	DT
12787	1648	18	acids	acid	NNS
12787	1648	19	are	be	VBP
12787	1648	20	in	in	IN
12787	1648	21	part	part	NN
12787	1648	22	consumed	consume	VBN
12787	1648	23	in	in	IN
12787	1648	24	the	the	DT
12787	1648	25	oxidation	oxidation	NN
12787	1648	26	process	process	NN
12787	1648	27	,	,	,
12787	1648	28	or	or	CC
12787	1648	29	are	be	VBP
12787	1648	30	volatilized	volatilize	VBN
12787	1648	31	.	.	.
12787	1649	1	Heat	heat	VB
12787	1649	2	the	the	DT
12787	1649	3	solution	solution	NN
12787	1649	4	to	to	IN
12787	1649	5	boiling	boil	VBG
12787	1649	6	,	,	,
12787	1649	7	and	and	CC
12787	1649	8	allow	allow	VB
12787	1649	9	the	the	DT
12787	1649	10	precipitated	precipitate	VBN
12787	1649	11	ferric	ferric	NNP
12787	1649	12	hydroxide	hydroxide	NNP
12787	1649	13	to	to	TO
12787	1649	14	settle	settle	VB
12787	1649	15	.	.	.
12787	1650	1	Decant	decant	VB
12787	1650	2	the	the	DT
12787	1650	3	clear	clear	JJ
12787	1650	4	liquid	liquid	NN
12787	1650	5	through	through	IN
12787	1650	6	a	a	DT
12787	1650	7	washed	wash	VBN
12787	1650	8	filter	filter	NN
12787	1650	9	(	(	-LRB-
12787	1650	10	9	9	CD
12787	1650	11	cm	cm	NNS
12787	1650	12	.	.	.
12787	1651	1	)	)	-RRB-
12787	1651	2	,	,	,
12787	1651	3	keeping	keep	VBG
12787	1651	4	as	as	RB
12787	1651	5	much	much	JJ
12787	1651	6	of	of	IN
12787	1651	7	the	the	DT
12787	1651	8	precipitate	precipitate	NN
12787	1651	9	in	in	IN
12787	1651	10	the	the	DT
12787	1651	11	beaker	beaker	NN
12787	1651	12	as	as	IN
12787	1651	13	possible	possible	JJ
12787	1651	14	.	.	.
12787	1652	1	Wash	wash	VB
12787	1652	2	twice	twice	RB
12787	1652	3	by	by	IN
12787	1652	4	decantation	decantation	NN
12787	1652	5	with	with	IN
12787	1652	6	100	100	CD
12787	1652	7	cc	cc	NN
12787	1652	8	.	.	.
12787	1653	1	of	of	IN
12787	1653	2	hot	hot	JJ
12787	1653	3	water	water	NN
12787	1653	4	.	.	.
12787	1654	1	Reserve	reserve	VB
12787	1654	2	the	the	DT
12787	1654	3	filtrate	filtrate	NN
12787	1654	4	.	.	.
12787	1655	1	Dissolve	dissolve	VB
12787	1655	2	the	the	DT
12787	1655	3	iron	iron	NN
12787	1655	4	from	from	IN
12787	1655	5	the	the	DT
12787	1655	6	filter	filter	NN
12787	1655	7	with	with	IN
12787	1655	8	hot	hot	JJ
12787	1655	9	,	,	,
12787	1655	10	dilute	dilute	JJ
12787	1655	11	hydrochloric	hydrochloric	JJ
12787	1655	12	acid	acid	NNP
12787	1655	13	(	(	-LRB-
12787	1655	14	sp	sp	NNP
12787	1655	15	.	.	.
12787	1656	1	gr	gr	NNP
12787	1656	2	.	.	.
12787	1657	1	1.12	1.12	CD
12787	1657	2	)	)	-RRB-
12787	1657	3	,	,	,
12787	1657	4	adding	add	VBG
12787	1657	5	it	-PRON-	PRP
12787	1657	6	in	in	IN
12787	1657	7	small	small	JJ
12787	1657	8	portions	portion	NNS
12787	1657	9	,	,	,
12787	1657	10	using	use	VBG
12787	1657	11	as	as	RB
12787	1657	12	little	little	JJ
12787	1657	13	as	as	IN
12787	1657	14	possible	possible	JJ
12787	1657	15	and	and	CC
12787	1657	16	noting	note	VBG
12787	1657	17	the	the	DT
12787	1657	18	volume	volume	NN
12787	1657	19	used	use	VBN
12787	1657	20	.	.	.
12787	1658	1	Collect	collect	VB
12787	1658	2	the	the	DT
12787	1658	3	solution	solution	NN
12787	1658	4	in	in	IN
12787	1658	5	the	the	DT
12787	1658	6	beaker	beaker	NN
12787	1658	7	in	in	IN
12787	1658	8	which	which	WDT
12787	1658	9	precipitation	precipitation	NN
12787	1658	10	took	take	VBD
12787	1658	11	place	place	NN
12787	1658	12	.	.	.
12787	1659	1	Add	add	NN
12787	1659	2	1	1	CD
12787	1659	3	cc	cc	NN
12787	1659	4	.	.	.
12787	1660	1	of	of	IN
12787	1660	2	nitric	nitric	JJ
12787	1660	3	acid	acid	NNP
12787	1660	4	(	(	-LRB-
12787	1660	5	sp	sp	NNP
12787	1660	6	.	.	.
12787	1661	1	gr	gr	NNP
12787	1661	2	.	.	.
12787	1662	1	1.42	1.42	CD
12787	1662	2	)	)	-RRB-
12787	1662	3	,	,	,
12787	1662	4	boil	boil	VBP
12787	1662	5	for	for	IN
12787	1662	6	a	a	DT
12787	1662	7	few	few	JJ
12787	1662	8	moments	moment	NNS
12787	1662	9	,	,	,
12787	1662	10	and	and	CC
12787	1662	11	again	again	RB
12787	1662	12	pour	pour	VB
12787	1662	13	into	into	IN
12787	1662	14	a	a	DT
12787	1662	15	calculated	calculate	VBN
12787	1662	16	excess	excess	NN
12787	1662	17	of	of	IN
12787	1662	18	ammonia	ammonia	NN
12787	1662	19	.	.	.
12787	1663	1	Wash	wash	VB
12787	1663	2	the	the	DT
12787	1663	3	precipitate	precipitate	NN
12787	1663	4	twice	twice	RB
12787	1663	5	by	by	IN
12787	1663	6	decantation	decantation	NN
12787	1663	7	,	,	,
12787	1663	8	and	and	CC
12787	1663	9	finally	finally	RB
12787	1663	10	transfer	transfer	VB
12787	1663	11	it	-PRON-	PRP
12787	1663	12	to	to	IN
12787	1663	13	the	the	DT
12787	1663	14	original	original	JJ
12787	1663	15	filter	filter	NN
12787	1663	16	.	.	.
12787	1664	1	Wash	wash	VB
12787	1664	2	continuously	continuously	RB
12787	1664	3	with	with	IN
12787	1664	4	hot	hot	JJ
12787	1664	5	water	water	NN
12787	1664	6	until	until	IN
12787	1664	7	finally	finally	RB
12787	1664	8	3	3	CD
12787	1664	9	cc	cc	NN
12787	1664	10	.	.	.
12787	1665	1	of	of	IN
12787	1665	2	the	the	DT
12787	1665	3	washings	washing	NNS
12787	1665	4	,	,	,
12787	1665	5	acidified	acidify	VBN
12787	1665	6	with	with	IN
12787	1665	7	nitric	nitric	JJ
12787	1665	8	acid	acid	NN
12787	1665	9	(	(	-LRB-
12787	1665	10	Note	note	NN
12787	1665	11	5	5	CD
12787	1665	12	)	)	-RRB-
12787	1665	13	,	,	,
12787	1665	14	show	show	VBP
12787	1665	15	no	no	DT
12787	1665	16	evidences	evidence	NNS
12787	1665	17	of	of	IN
12787	1665	18	the	the	DT
12787	1665	19	presence	presence	NN
12787	1665	20	of	of	IN
12787	1665	21	chlorides	chloride	NNS
12787	1665	22	when	when	WRB
12787	1665	23	tested	test	VBN
12787	1665	24	with	with	IN
12787	1665	25	silver	silver	NN
12787	1665	26	nitrate	nitrate	JJ
12787	1665	27	.	.	.
12787	1666	1	The	the	DT
12787	1666	2	filtrate	filtrate	JJ
12787	1666	3	and	and	CC
12787	1666	4	washings	washing	NNS
12787	1666	5	are	be	VBP
12787	1666	6	combined	combine	VBN
12787	1666	7	with	with	IN
12787	1666	8	those	those	DT
12787	1666	9	from	from	IN
12787	1666	10	the	the	DT
12787	1666	11	first	first	JJ
12787	1666	12	precipitation	precipitation	NN
12787	1666	13	and	and	CC
12787	1666	14	treated	treat	VBN
12787	1666	15	for	for	IN
12787	1666	16	the	the	DT
12787	1666	17	determination	determination	NN
12787	1666	18	of	of	IN
12787	1666	19	sulphur	sulphur	NNP
12787	1666	20	,	,	,
12787	1666	21	as	as	IN
12787	1666	22	prescribed	prescribe	VBN
12787	1666	23	on	on	IN
12787	1666	24	page	page	NN
12787	1666	25	112	112	CD
12787	1666	26	.	.	.
12787	1667	1	[	[	-LRB-
12787	1667	2	Note	note	NN
12787	1667	3	1	1	CD
12787	1667	4	:	:	:
12787	1667	5	If	if	IN
12787	1667	6	a	a	DT
12787	1667	7	selection	selection	NN
12787	1667	8	of	of	IN
12787	1667	9	pure	pure	JJ
12787	1667	10	material	material	NN
12787	1667	11	for	for	IN
12787	1667	12	analysis	analysis	NN
12787	1667	13	is	be	VBZ
12787	1667	14	to	to	TO
12787	1667	15	be	be	VB
12787	1667	16	made	make	VBN
12787	1667	17	,	,	,
12787	1667	18	crystals	crystal	NNS
12787	1667	19	which	which	WDT
12787	1667	20	are	be	VBP
12787	1667	21	cloudy	cloudy	JJ
12787	1667	22	are	be	VBP
12787	1667	23	to	to	TO
12787	1667	24	be	be	VB
12787	1667	25	avoided	avoid	VBN
12787	1667	26	on	on	IN
12787	1667	27	account	account	NN
12787	1667	28	of	of	IN
12787	1667	29	loss	loss	NN
12787	1667	30	of	of	IN
12787	1667	31	water	water	NN
12787	1667	32	of	of	IN
12787	1667	33	crystallization	crystallization	NN
12787	1667	34	;	;	,
12787	1667	35	and	and	CC
12787	1667	36	also	also	RB
12787	1667	37	those	those	DT
12787	1667	38	which	which	WDT
12787	1667	39	are	be	VBP
12787	1667	40	red	red	JJ
12787	1667	41	,	,	,
12787	1667	42	indicating	indicate	VBG
12787	1667	43	the	the	DT
12787	1667	44	presence	presence	NN
12787	1667	45	of	of	IN
12787	1667	46	ferric	ferric	JJ
12787	1667	47	iron	iron	NN
12787	1667	48	.	.	.
12787	1668	1	If	if	IN
12787	1668	2	,	,	,
12787	1668	3	on	on	IN
12787	1668	4	the	the	DT
12787	1668	5	other	other	JJ
12787	1668	6	hand	hand	NN
12787	1668	7	,	,	,
12787	1668	8	the	the	DT
12787	1668	9	value	value	NN
12787	1668	10	of	of	IN
12787	1668	11	an	an	DT
12787	1668	12	average	average	JJ
12787	1668	13	sample	sample	NN
12787	1668	14	of	of	IN
12787	1668	15	material	material	NN
12787	1668	16	is	be	VBZ
12787	1668	17	desired	desire	VBN
12787	1668	18	,	,	,
12787	1668	19	it	-PRON-	PRP
12787	1668	20	is	be	VBZ
12787	1668	21	preferable	preferable	JJ
12787	1668	22	to	to	TO
12787	1668	23	grind	grind	VB
12787	1668	24	the	the	DT
12787	1668	25	whole	whole	NN
12787	1668	26	together	together	RB
12787	1668	27	,	,	,
12787	1668	28	mix	mix	VB
12787	1668	29	thoroughly	thoroughly	RB
12787	1668	30	,	,	,
12787	1668	31	and	and	CC
12787	1668	32	take	take	VB
12787	1668	33	a	a	DT
12787	1668	34	sample	sample	NN
12787	1668	35	from	from	IN
12787	1668	36	the	the	DT
12787	1668	37	mixture	mixture	NN
12787	1668	38	for	for	IN
12787	1668	39	analysis	analysis	NN
12787	1668	40	.	.	.
12787	1668	41	]	]	-RRB-
12787	1669	1	[	[	-LRB-
12787	1669	2	Note	note	NN
12787	1669	3	2	2	CD
12787	1669	4	:	:	:
12787	1669	5	When	when	WRB
12787	1669	6	aqueous	aqueous	JJ
12787	1669	7	solutions	solution	NNS
12787	1669	8	of	of	IN
12787	1669	9	ferrous	ferrous	JJ
12787	1669	10	compounds	compound	NNS
12787	1669	11	are	be	VBP
12787	1669	12	heated	heat	VBN
12787	1669	13	in	in	IN
12787	1669	14	the	the	DT
12787	1669	15	air	air	NN
12787	1669	16	,	,	,
12787	1669	17	oxidation	oxidation	NN
12787	1669	18	of	of	IN
12787	1669	19	the	the	DT
12787	1669	20	Fe^{++	Fe^{++	NNP
12787	1669	21	}	}	-RRB-
12787	1669	22	ions	ion	NNS
12787	1669	23	to	to	IN
12787	1669	24	Fe^{+++	Fe^{+++	NNP
12787	1669	25	}	}	-RRB-
12787	1669	26	ions	ion	NNS
12787	1669	27	readily	readily	RB
12787	1669	28	occurs	occur	VBZ
12787	1669	29	in	in	IN
12787	1669	30	the	the	DT
12787	1669	31	absence	absence	NN
12787	1669	32	of	of	IN
12787	1669	33	free	free	JJ
12787	1669	34	acid	acid	NN
12787	1669	35	.	.	.
12787	1670	1	The	the	DT
12787	1670	2	H^{+	H^{+	NNP
12787	1670	3	}	}	-RRB-
12787	1670	4	and	and	CC
12787	1670	5	OH^{-	oh^{-	CD
12787	1670	6	}	}	-RRB-
12787	1670	7	ions	ion	NNS
12787	1670	8	from	from	IN
12787	1670	9	water	water	NN
12787	1670	10	are	be	VBP
12787	1670	11	involved	involve	VBN
12787	1670	12	in	in	IN
12787	1670	13	the	the	DT
12787	1670	14	oxidation	oxidation	NN
12787	1670	15	process	process	NN
12787	1670	16	and	and	CC
12787	1670	17	the	the	DT
12787	1670	18	result	result	NN
12787	1670	19	is	be	VBZ
12787	1670	20	,	,	,
12787	1670	21	in	in	IN
12787	1670	22	effect	effect	NN
12787	1670	23	,	,	,
12787	1670	24	the	the	DT
12787	1670	25	formation	formation	NN
12787	1670	26	of	of	IN
12787	1670	27	some	some	DT
12787	1670	28	ferric	ferric	JJ
12787	1670	29	hydroxide	hydroxide	NN
12787	1670	30	which	which	WDT
12787	1670	31	tends	tend	VBZ
12787	1670	32	to	to	TO
12787	1670	33	separate	separate	VB
12787	1670	34	.	.	.
12787	1671	1	Moreover	moreover	RB
12787	1671	2	,	,	,
12787	1671	3	at	at	IN
12787	1671	4	the	the	DT
12787	1671	5	boiling	boiling	NN
12787	1671	6	temperature	temperature	NN
12787	1671	7	,	,	,
12787	1671	8	the	the	DT
12787	1671	9	ferric	ferric	JJ
12787	1671	10	sulphate	sulphate	NN
12787	1671	11	produced	produce	VBN
12787	1671	12	by	by	IN
12787	1671	13	the	the	DT
12787	1671	14	oxidation	oxidation	NN
12787	1671	15	hydrolyzes	hydrolyze	VBZ
12787	1671	16	in	in	IN
12787	1671	17	part	part	NN
12787	1671	18	with	with	IN
12787	1671	19	the	the	DT
12787	1671	20	formation	formation	NN
12787	1671	21	of	of	IN
12787	1671	22	a	a	DT
12787	1671	23	basic	basic	JJ
12787	1671	24	ferric	ferric	JJ
12787	1671	25	sulphate	sulphate	NN
12787	1671	26	,	,	,
12787	1671	27	which	which	WDT
12787	1671	28	also	also	RB
12787	1671	29	tends	tend	VBZ
12787	1671	30	to	to	TO
12787	1671	31	separate	separate	VB
12787	1671	32	from	from	IN
12787	1671	33	solution	solution	NN
12787	1671	34	.	.	.
12787	1672	1	The	the	DT
12787	1672	2	addition	addition	NN
12787	1672	3	of	of	IN
12787	1672	4	the	the	DT
12787	1672	5	hydrochloric	hydrochloric	JJ
12787	1672	6	acid	acid	NN
12787	1672	7	prevents	prevent	VBZ
12787	1672	8	the	the	DT
12787	1672	9	formation	formation	NN
12787	1672	10	of	of	IN
12787	1672	11	ferric	ferric	NNP
12787	1672	12	hydroxide	hydroxide	NN
12787	1672	13	,	,	,
12787	1672	14	and	and	CC
12787	1672	15	so	so	RB
12787	1672	16	far	far	RB
12787	1672	17	reduces	reduce	VBZ
12787	1672	18	the	the	DT
12787	1672	19	ionization	ionization	NN
12787	1672	20	of	of	IN
12787	1672	21	the	the	DT
12787	1672	22	water	water	NN
12787	1672	23	that	that	WDT
12787	1672	24	the	the	DT
12787	1672	25	hydrolysis	hydrolysis	NN
12787	1672	26	of	of	IN
12787	1672	27	the	the	DT
12787	1672	28	ferric	ferric	JJ
12787	1672	29	sulphate	sulphate	NN
12787	1672	30	is	be	VBZ
12787	1672	31	also	also	RB
12787	1672	32	prevented	prevent	VBN
12787	1672	33	,	,	,
12787	1672	34	and	and	CC
12787	1672	35	no	no	DT
12787	1672	36	precipitation	precipitation	NN
12787	1672	37	occurs	occur	VBZ
12787	1672	38	on	on	IN
12787	1672	39	heating	heating	NN
12787	1672	40	.	.	.
12787	1672	41	]	]	-RRB-
12787	1673	1	[	[	-LRB-
12787	1673	2	Note	note	NN
12787	1673	3	3	3	CD
12787	1673	4	:	:	:
12787	1673	5	The	the	DT
12787	1673	6	nitric	nitric	JJ
12787	1673	7	acid	acid	NN
12787	1673	8	,	,	,
12787	1673	9	after	after	IN
12787	1673	10	attaining	attain	VBG
12787	1673	11	a	a	DT
12787	1673	12	moderate	moderate	JJ
12787	1673	13	strength	strength	NN
12787	1673	14	,	,	,
12787	1673	15	oxidizes	oxidize	VBZ
12787	1673	16	the	the	DT
12787	1673	17	Fe^{++	Fe^{++	NNP
12787	1673	18	}	}	-RRB-
12787	1673	19	ions	ion	NNS
12787	1673	20	to	to	IN
12787	1673	21	Fe^{+++	fe^{+++	NN
12787	1673	22	}	}	-RRB-
12787	1673	23	ions	ion	NNS
12787	1673	24	with	with	IN
12787	1673	25	the	the	DT
12787	1673	26	formation	formation	NN
12787	1673	27	of	of	IN
12787	1673	28	an	an	DT
12787	1673	29	intermediate	intermediate	JJ
12787	1673	30	nitroso	nitroso	JJ
12787	1673	31	-	-	HYPH
12787	1673	32	compound	compound	NN
12787	1673	33	similar	similar	JJ
12787	1673	34	in	in	IN
12787	1673	35	character	character	NN
12787	1673	36	to	to	IN
12787	1673	37	that	that	DT
12787	1673	38	formed	form	VBN
12787	1673	39	in	in	IN
12787	1673	40	the	the	DT
12787	1673	41	"	"	``
12787	1673	42	ring	ring	NN
12787	1673	43	-	-	HYPH
12787	1673	44	test	test	NN
12787	1673	45	"	"	''
12787	1673	46	for	for	IN
12787	1673	47	nitrates	nitrate	NNS
12787	1673	48	.	.	.
12787	1674	1	The	the	DT
12787	1674	2	nitric	nitric	JJ
12787	1674	3	oxide	oxide	NN
12787	1674	4	is	be	VBZ
12787	1674	5	driven	drive	VBN
12787	1674	6	out	out	RP
12787	1674	7	by	by	IN
12787	1674	8	heat	heat	NN
12787	1674	9	,	,	,
12787	1674	10	and	and	CC
12787	1674	11	the	the	DT
12787	1674	12	solution	solution	NN
12787	1674	13	then	then	RB
12787	1674	14	shows	show	VBZ
12787	1674	15	by	by	IN
12787	1674	16	its	-PRON-	PRP$
12787	1674	17	color	color	NN
12787	1674	18	the	the	DT
12787	1674	19	presence	presence	NN
12787	1674	20	of	of	IN
12787	1674	21	ferric	ferric	JJ
12787	1674	22	compounds	compound	NNS
12787	1674	23	.	.	.
12787	1675	1	A	a	DT
12787	1675	2	drop	drop	NN
12787	1675	3	of	of	IN
12787	1675	4	the	the	DT
12787	1675	5	oxidized	oxidize	VBN
12787	1675	6	solution	solution	NN
12787	1675	7	should	should	MD
12787	1675	8	be	be	VB
12787	1675	9	tested	test	VBN
12787	1675	10	on	on	IN
12787	1675	11	a	a	DT
12787	1675	12	watch	watch	NN
12787	1675	13	-	-	HYPH
12787	1675	14	glass	glass	NN
12787	1675	15	with	with	IN
12787	1675	16	potassium	potassium	NN
12787	1675	17	ferricyanide	ferricyanide	NN
12787	1675	18	,	,	,
12787	1675	19	to	to	TO
12787	1675	20	insure	insure	VB
12787	1675	21	a	a	DT
12787	1675	22	complete	complete	JJ
12787	1675	23	oxidation	oxidation	NN
12787	1675	24	.	.	.
12787	1676	1	This	this	DT
12787	1676	2	oxidation	oxidation	NN
12787	1676	3	of	of	IN
12787	1676	4	the	the	DT
12787	1676	5	iron	iron	NN
12787	1676	6	is	be	VBZ
12787	1676	7	necessary	necessary	JJ
12787	1676	8	,	,	,
12787	1676	9	since	since	IN
12787	1676	10	Fe^{++	Fe^{++	NNP
12787	1676	11	}	}	-RRB-
12787	1676	12	ions	ion	NNS
12787	1676	13	are	be	VBP
12787	1676	14	not	not	RB
12787	1676	15	completely	completely	RB
12787	1676	16	precipitated	precipitate	VBN
12787	1676	17	by	by	IN
12787	1676	18	ammonia	ammonia	NNP
12787	1676	19	.	.	.
12787	1677	1	The	the	DT
12787	1677	2	ionic	ionic	JJ
12787	1677	3	changes	change	NNS
12787	1677	4	which	which	WDT
12787	1677	5	are	be	VBP
12787	1677	6	involved	involve	VBN
12787	1677	7	in	in	IN
12787	1677	8	this	this	DT
12787	1677	9	oxidation	oxidation	NN
12787	1677	10	are	be	VBP
12787	1677	11	perhaps	perhaps	RB
12787	1677	12	most	most	RBS
12787	1677	13	simply	simply	RB
12787	1677	14	expressed	express	VBN
12787	1677	15	by	by	IN
12787	1677	16	the	the	DT
12787	1677	17	equation	equation	NN
12787	1677	18	3Fe^{++	3fe^{++	CD
12787	1677	19	}	}	-RRB-
12787	1677	20	+	+	CC
12787	1677	21	NO_{3}^{-}+	no_{3}^{-}+	NN
12787	1677	22	4H^{+	4H^{+	NNP
12787	1677	23	}	}	-RRB-
12787	1677	24	--	--	:
12787	1677	25	>	>	XX
12787	1677	26	3Fe^{+++	3fe^{+++	CD
12787	1677	27	}	}	-RRB-
12787	1677	28	+	+	CC
12787	1677	29	2H_{2}O	2h_{2}o	CD
12787	1677	30	+	+	NNS
12787	1677	31	NO	no	UH
12787	1677	32	,	,	,
12787	1677	33	the	the	DT
12787	1677	34	H^{+	H^{+	NNP
12787	1677	35	}	}	-RRB-
12787	1677	36	ions	ion	NNS
12787	1677	37	coming	come	VBG
12787	1677	38	from	from	IN
12787	1677	39	the	the	DT
12787	1677	40	acid	acid	NN
12787	1677	41	in	in	IN
12787	1677	42	the	the	DT
12787	1677	43	solution	solution	NN
12787	1677	44	,	,	,
12787	1677	45	in	in	IN
12787	1677	46	this	this	DT
12787	1677	47	case	case	NN
12787	1677	48	either	either	CC
12787	1677	49	the	the	DT
12787	1677	50	nitric	nitric	NN
12787	1677	51	or	or	CC
12787	1677	52	the	the	DT
12787	1677	53	hydrochloric	hydrochloric	JJ
12787	1677	54	acid	acid	NN
12787	1677	55	.	.	.
12787	1678	1	The	the	DT
12787	1678	2	full	full	JJ
12787	1678	3	equation	equation	NN
12787	1678	4	on	on	IN
12787	1678	5	which	which	WDT
12787	1678	6	this	this	DT
12787	1678	7	is	be	VBZ
12787	1678	8	based	base	VBN
12787	1678	9	may	may	MD
12787	1678	10	be	be	VB
12787	1678	11	written	write	VBN
12787	1678	12	thus	thus	RB
12787	1678	13	:	:	:
12787	1678	14	6FeSO_{4	6feso_{4	LS
12787	1678	15	}	}	-RRB-
12787	1678	16	+	+	CD
12787	1678	17	2HNO_{3	2hno_{3	CD
12787	1678	18	}	}	-RRB-
12787	1678	19	+	+	SYM
12787	1678	20	6HCl	6hcl	ADD
12787	1678	21	--	--	:
12787	1678	22	>	>	XX
12787	1678	23	2Fe_{2}(SO_{4})_{3	2fe_{2}(so_{4})_{3	CD
12787	1678	24	}	}	-RRB-
12787	1678	25	+	+	CC
12787	1678	26	2FeCl_{3	2fecl_{3	CD
12787	1678	27	}	}	-RRB-
12787	1678	28	+	+	CC
12787	1678	29	2NO	2no	CD
12787	1678	30	+	+	SYM
12787	1678	31	4H_{2}O	4h_{2}o	CD
12787	1678	32	,	,	,
12787	1678	33	assuming	assume	VBG
12787	1678	34	that	that	IN
12787	1678	35	only	only	RB
12787	1678	36	enough	enough	JJ
12787	1678	37	nitric	nitric	JJ
12787	1678	38	acid	acid	NN
12787	1678	39	is	be	VBZ
12787	1678	40	added	add	VBN
12787	1678	41	to	to	TO
12787	1678	42	complete	complete	VB
12787	1678	43	the	the	DT
12787	1678	44	oxidation	oxidation	NN
12787	1678	45	.	.	.
12787	1678	46	]	]	-RRB-
12787	1679	1	[	[	-LRB-
12787	1679	2	Note	note	NN
12787	1679	3	4	4	CD
12787	1679	4	:	:	:
12787	1679	5	The	the	DT
12787	1679	6	ferric	ferric	JJ
12787	1679	7	hydroxide	hydroxide	NN
12787	1679	8	precipitate	precipitate	NN
12787	1679	9	tends	tend	VBZ
12787	1679	10	to	to	TO
12787	1679	11	carry	carry	VB
12787	1679	12	down	down	RP
12787	1679	13	some	some	DT
12787	1679	14	sulphuric	sulphuric	JJ
12787	1679	15	acid	acid	NN
12787	1679	16	in	in	IN
12787	1679	17	the	the	DT
12787	1679	18	form	form	NN
12787	1679	19	of	of	IN
12787	1679	20	basic	basic	JJ
12787	1679	21	ferric	ferric	JJ
12787	1679	22	sulphate	sulphate	NN
12787	1679	23	.	.	.
12787	1680	1	This	this	DT
12787	1680	2	tendency	tendency	NN
12787	1680	3	is	be	VBZ
12787	1680	4	lessened	lessen	VBN
12787	1680	5	if	if	IN
12787	1680	6	the	the	DT
12787	1680	7	solution	solution	NN
12787	1680	8	of	of	IN
12787	1680	9	the	the	DT
12787	1680	10	iron	iron	NN
12787	1680	11	is	be	VBZ
12787	1680	12	added	add	VBN
12787	1680	13	to	to	IN
12787	1680	14	an	an	DT
12787	1680	15	excess	excess	NN
12787	1680	16	of	of	IN
12787	1680	17	OH^{-	OH^{-	NNPS
12787	1680	18	}	}	-RRB-
12787	1680	19	ions	ion	NNS
12787	1680	20	from	from	IN
12787	1680	21	the	the	DT
12787	1680	22	ammonium	ammonium	NN
12787	1680	23	hydroxide	hydroxide	NN
12787	1680	24	,	,	,
12787	1680	25	since	since	IN
12787	1680	26	under	under	IN
12787	1680	27	these	these	DT
12787	1680	28	conditions	condition	NNS
12787	1680	29	immediate	immediate	JJ
12787	1680	30	and	and	CC
12787	1680	31	complete	complete	JJ
12787	1680	32	precipitation	precipitation	NN
12787	1680	33	of	of	IN
12787	1680	34	the	the	DT
12787	1680	35	ferric	ferric	JJ
12787	1680	36	hydroxide	hydroxide	NN
12787	1680	37	ensues	ensue	NNS
12787	1680	38	.	.	.
12787	1681	1	A	a	DT
12787	1681	2	gradual	gradual	JJ
12787	1681	3	neutralization	neutralization	NN
12787	1681	4	with	with	IN
12787	1681	5	ammonia	ammonia	NNP
12787	1681	6	would	would	MD
12787	1681	7	result	result	VB
12787	1681	8	in	in	IN
12787	1681	9	the	the	DT
12787	1681	10	local	local	JJ
12787	1681	11	formation	formation	NN
12787	1681	12	of	of	IN
12787	1681	13	a	a	DT
12787	1681	14	neutral	neutral	JJ
12787	1681	15	solution	solution	NN
12787	1681	16	within	within	IN
12787	1681	17	the	the	DT
12787	1681	18	liquid	liquid	NN
12787	1681	19	,	,	,
12787	1681	20	and	and	CC
12787	1681	21	subsequent	subsequent	JJ
12787	1681	22	deposition	deposition	NN
12787	1681	23	of	of	IN
12787	1681	24	a	a	DT
12787	1681	25	basic	basic	JJ
12787	1681	26	sulphate	sulphate	NN
12787	1681	27	as	as	IN
12787	1681	28	a	a	DT
12787	1681	29	consequence	consequence	NN
12787	1681	30	of	of	IN
12787	1681	31	a	a	DT
12787	1681	32	local	local	JJ
12787	1681	33	deficiency	deficiency	NN
12787	1681	34	of	of	IN
12787	1681	35	OH^{-	oh^{-	CD
12787	1681	36	}	}	-RRB-
12787	1681	37	ions	ion	NNS
12787	1681	38	from	from	IN
12787	1681	39	the	the	DT
12787	1681	40	NH_{4}OH	nh_{4}oh	NN
12787	1681	41	and	and	CC
12787	1681	42	a	a	DT
12787	1681	43	partial	partial	JJ
12787	1681	44	hydrolysis	hydrolysis	NN
12787	1681	45	of	of	IN
12787	1681	46	the	the	DT
12787	1681	47	ferric	ferric	JJ
12787	1681	48	salt	salt	NN
12787	1681	49	.	.	.
12787	1682	1	Even	even	RB
12787	1682	2	with	with	IN
12787	1682	3	this	this	DT
12787	1682	4	precaution	precaution	NN
12787	1682	5	the	the	DT
12787	1682	6	entire	entire	JJ
12787	1682	7	absence	absence	NN
12787	1682	8	of	of	IN
12787	1682	9	sulphates	sulphate	NNS
12787	1682	10	from	from	IN
12787	1682	11	the	the	DT
12787	1682	12	first	first	JJ
12787	1682	13	iron	iron	NN
12787	1682	14	precipitate	precipitate	NN
12787	1682	15	is	be	VBZ
12787	1682	16	not	not	RB
12787	1682	17	assured	assure	VBN
12787	1682	18	.	.	.
12787	1683	1	It	-PRON-	PRP
12787	1683	2	is	be	VBZ
12787	1683	3	,	,	,
12787	1683	4	therefore	therefore	RB
12787	1683	5	,	,	,
12787	1683	6	redissolved	redissolve	VBN
12787	1683	7	and	and	CC
12787	1683	8	again	again	RB
12787	1683	9	thrown	throw	VBN
12787	1683	10	down	down	RP
12787	1683	11	by	by	IN
12787	1683	12	ammonia	ammonia	NNP
12787	1683	13	.	.	.
12787	1684	1	The	the	DT
12787	1684	2	organic	organic	JJ
12787	1684	3	matter	matter	NN
12787	1684	4	of	of	IN
12787	1684	5	the	the	DT
12787	1684	6	filter	filter	NN
12787	1684	7	paper	paper	NN
12787	1684	8	may	may	MD
12787	1684	9	occasion	occasion	VB
12787	1684	10	a	a	DT
12787	1684	11	partial	partial	JJ
12787	1684	12	reduction	reduction	NN
12787	1684	13	of	of	IN
12787	1684	14	the	the	DT
12787	1684	15	iron	iron	NN
12787	1684	16	during	during	IN
12787	1684	17	solution	solution	NN
12787	1684	18	,	,	,
12787	1684	19	with	with	IN
12787	1684	20	consequent	consequent	JJ
12787	1684	21	possibility	possibility	NN
12787	1684	22	of	of	IN
12787	1684	23	incomplete	incomplete	JJ
12787	1684	24	subsequent	subsequent	JJ
12787	1684	25	precipitation	precipitation	NN
12787	1684	26	with	with	IN
12787	1684	27	ammonia	ammonia	NN
12787	1684	28	.	.	.
12787	1685	1	The	the	DT
12787	1685	2	nitric	nitric	JJ
12787	1685	3	acid	acid	NN
12787	1685	4	is	be	VBZ
12787	1685	5	added	add	VBN
12787	1685	6	to	to	TO
12787	1685	7	reoxidize	reoxidize	VB
12787	1685	8	this	this	DT
12787	1685	9	iron	iron	NN
12787	1685	10	.	.	.
12787	1686	1	To	to	TO
12787	1686	2	avoid	avoid	VB
12787	1686	3	errors	error	NNS
12787	1686	4	arising	arise	VBG
12787	1686	5	from	from	IN
12787	1686	6	the	the	DT
12787	1686	7	solvent	solvent	JJ
12787	1686	8	action	action	NN
12787	1686	9	of	of	IN
12787	1686	10	ammoniacal	ammoniacal	JJ
12787	1686	11	liquids	liquid	NNS
12787	1686	12	upon	upon	IN
12787	1686	13	glass	glass	NN
12787	1686	14	,	,	,
12787	1686	15	the	the	DT
12787	1686	16	iron	iron	NN
12787	1686	17	precipitate	precipitate	NN
12787	1686	18	should	should	MD
12787	1686	19	be	be	VB
12787	1686	20	filtered	filter	VBN
12787	1686	21	without	without	IN
12787	1686	22	unnecessary	unnecessary	JJ
12787	1686	23	delay	delay	NN
12787	1686	24	.	.	.
12787	1686	25	]	]	-RRB-
12787	1687	1	[	[	-LRB-
12787	1687	2	Note	note	NN
12787	1687	3	5	5	CD
12787	1687	4	:	:	:
12787	1687	5	The	the	DT
12787	1687	6	washings	washing	NNS
12787	1687	7	from	from	IN
12787	1687	8	the	the	DT
12787	1687	9	ferric	ferric	JJ
12787	1687	10	hydroxide	hydroxide	NN
12787	1687	11	are	be	VBP
12787	1687	12	acidified	acidify	VBN
12787	1687	13	with	with	IN
12787	1687	14	nitric	nitric	JJ
12787	1687	15	acid	acid	NN
12787	1687	16	,	,	,
12787	1687	17	before	before	IN
12787	1687	18	testing	testing	NN
12787	1687	19	with	with	IN
12787	1687	20	silver	silver	NN
12787	1687	21	nitrate	nitrate	NNP
12787	1687	22	,	,	,
12787	1687	23	to	to	TO
12787	1687	24	destroy	destroy	VB
12787	1687	25	the	the	DT
12787	1687	26	ammonia	ammonia	NN
12787	1687	27	which	which	WDT
12787	1687	28	is	be	VBZ
12787	1687	29	a	a	DT
12787	1687	30	solvent	solvent	NN
12787	1687	31	of	of	IN
12787	1687	32	silver	silver	NN
12787	1687	33	chloride	chloride	NN
12787	1687	34	.	.	.
12787	1688	1	The	the	DT
12787	1688	2	use	use	NN
12787	1688	3	of	of	IN
12787	1688	4	suction	suction	NN
12787	1688	5	to	to	TO
12787	1688	6	promote	promote	VB
12787	1688	7	filtration	filtration	NN
12787	1688	8	and	and	CC
12787	1688	9	washing	washing	NN
12787	1688	10	is	be	VBZ
12787	1688	11	permissible	permissible	JJ
12787	1688	12	,	,	,
12787	1688	13	though	though	IN
12787	1688	14	not	not	RB
12787	1688	15	prescribed	prescribe	VBN
12787	1688	16	.	.	.
12787	1689	1	The	the	DT
12787	1689	2	precipitate	precipitate	NN
12787	1689	3	should	should	MD
12787	1689	4	not	not	RB
12787	1689	5	be	be	VB
12787	1689	6	allowed	allow	VBN
12787	1689	7	to	to	TO
12787	1689	8	dry	dry	VB
12787	1689	9	during	during	IN
12787	1689	10	the	the	DT
12787	1689	11	washing	washing	NN
12787	1689	12	.	.	.
12787	1689	13	]	]	-RRB-
12787	1690	1	!	!	.
12787	1690	2	Ignition	ignition	NN
12787	1690	3	of	of	IN
12787	1690	4	the	the	DT
12787	1690	5	Iron	Iron	NNP
12787	1690	6	Precipitate	Precipitate	NNP
12787	1690	7	!	!	.
12787	1691	1	Heat	heat	VB
12787	1691	2	a	a	DT
12787	1691	3	platinum	platinum	NN
12787	1691	4	or	or	CC
12787	1691	5	porcelain	porcelain	NN
12787	1691	6	crucible	crucible	JJ
12787	1691	7	,	,	,
12787	1691	8	cool	cool	VBP
12787	1691	9	it	-PRON-	PRP
12787	1691	10	in	in	IN
12787	1691	11	a	a	DT
12787	1691	12	desiccator	desiccator	NN
12787	1691	13	and	and	CC
12787	1691	14	weigh	weigh	NN
12787	1691	15	,	,	,
12787	1691	16	repeating	repeat	VBG
12787	1691	17	until	until	IN
12787	1691	18	a	a	DT
12787	1691	19	constant	constant	JJ
12787	1691	20	weight	weight	NN
12787	1691	21	is	be	VBZ
12787	1691	22	obtained	obtain	VBN
12787	1691	23	.	.	.
12787	1692	1	Fold	fold	VB
12787	1692	2	the	the	DT
12787	1692	3	top	top	NN
12787	1692	4	of	of	IN
12787	1692	5	the	the	DT
12787	1692	6	filter	filter	NN
12787	1692	7	paper	paper	NN
12787	1692	8	over	over	IN
12787	1692	9	the	the	DT
12787	1692	10	moist	moist	JJ
12787	1692	11	precipitate	precipitate	NN
12787	1692	12	of	of	IN
12787	1692	13	ferric	ferric	NNP
12787	1692	14	hydroxide	hydroxide	NNP
12787	1692	15	and	and	CC
12787	1692	16	transfer	transfer	VB
12787	1692	17	it	-PRON-	PRP
12787	1692	18	cautiously	cautiously	RB
12787	1692	19	to	to	IN
12787	1692	20	the	the	DT
12787	1692	21	crucible	crucible	NN
12787	1692	22	.	.	.
12787	1693	1	Wipe	wipe	VB
12787	1693	2	the	the	DT
12787	1693	3	inside	inside	NN
12787	1693	4	of	of	IN
12787	1693	5	the	the	DT
12787	1693	6	funnel	funnel	NN
12787	1693	7	with	with	IN
12787	1693	8	a	a	DT
12787	1693	9	small	small	JJ
12787	1693	10	fragment	fragment	NN
12787	1693	11	of	of	IN
12787	1693	12	washed	wash	VBN
12787	1693	13	filter	filter	NN
12787	1693	14	paper	paper	NN
12787	1693	15	,	,	,
12787	1693	16	if	if	IN
12787	1693	17	necessary	necessary	JJ
12787	1693	18	,	,	,
12787	1693	19	and	and	CC
12787	1693	20	place	place	VB
12787	1693	21	the	the	DT
12787	1693	22	paper	paper	NN
12787	1693	23	in	in	IN
12787	1693	24	the	the	DT
12787	1693	25	crucible	crucible	NN
12787	1693	26	.	.	.
12787	1694	1	Incline	incline	VB
12787	1694	2	the	the	DT
12787	1694	3	crucible	crucible	NN
12787	1694	4	on	on	IN
12787	1694	5	its	-PRON-	PRP$
12787	1694	6	side	side	NN
12787	1694	7	,	,	,
12787	1694	8	on	on	IN
12787	1694	9	a	a	DT
12787	1694	10	triangle	triangle	NN
12787	1694	11	supported	support	VBN
12787	1694	12	on	on	IN
12787	1694	13	a	a	DT
12787	1694	14	ring	ring	NN
12787	1694	15	-	-	HYPH
12787	1694	16	stand	stand	NN
12787	1694	17	,	,	,
12787	1694	18	and	and	CC
12787	1694	19	stand	stand	VB
12787	1694	20	the	the	DT
12787	1694	21	cover	cover	NN
12787	1694	22	on	on	IN
12787	1694	23	edge	edge	NN
12787	1694	24	at	at	IN
12787	1694	25	the	the	DT
12787	1694	26	mouth	mouth	NN
12787	1694	27	of	of	IN
12787	1694	28	the	the	DT
12787	1694	29	crucible	crucible	NN
12787	1694	30	.	.	.
12787	1695	1	Place	place	VB
12787	1695	2	a	a	DT
12787	1695	3	burner	burner	NN
12787	1695	4	below	below	IN
12787	1695	5	the	the	DT
12787	1695	6	front	front	JJ
12787	1695	7	edge	edge	NN
12787	1695	8	of	of	IN
12787	1695	9	the	the	DT
12787	1695	10	crucible	crucible	NN
12787	1695	11	,	,	,
12787	1695	12	using	use	VBG
12787	1695	13	a	a	DT
12787	1695	14	low	low	JJ
12787	1695	15	flame	flame	NN
12787	1695	16	and	and	CC
12787	1695	17	protecting	protect	VBG
12787	1695	18	it	-PRON-	PRP
12787	1695	19	from	from	IN
12787	1695	20	drafts	draft	NNS
12787	1695	21	of	of	IN
12787	1695	22	air	air	NN
12787	1695	23	by	by	IN
12787	1695	24	means	mean	NNS
12787	1695	25	of	of	IN
12787	1695	26	a	a	DT
12787	1695	27	chimney	chimney	NN
12787	1695	28	.	.	.
12787	1696	1	The	the	DT
12787	1696	2	heat	heat	NN
12787	1696	3	from	from	IN
12787	1696	4	the	the	DT
12787	1696	5	burner	burner	NN
12787	1696	6	is	be	VBZ
12787	1696	7	thus	thus	RB
12787	1696	8	reflected	reflect	VBN
12787	1696	9	into	into	IN
12787	1696	10	the	the	DT
12787	1696	11	crucible	crucible	NN
12787	1696	12	and	and	CC
12787	1696	13	dries	dry	VBZ
12787	1696	14	the	the	DT
12787	1696	15	precipitate	precipitate	NN
12787	1696	16	without	without	IN
12787	1696	17	danger	danger	NN
12787	1696	18	of	of	IN
12787	1696	19	loss	loss	NN
12787	1696	20	as	as	IN
12787	1696	21	the	the	DT
12787	1696	22	result	result	NN
12787	1696	23	of	of	IN
12787	1696	24	a	a	DT
12787	1696	25	sudden	sudden	JJ
12787	1696	26	generation	generation	NN
12787	1696	27	of	of	IN
12787	1696	28	steam	steam	NN
12787	1696	29	within	within	IN
12787	1696	30	the	the	DT
12787	1696	31	mass	mass	NN
12787	1696	32	of	of	IN
12787	1696	33	ferric	ferric	NNP
12787	1696	34	hydroxide	hydroxide	NNP
12787	1696	35	.	.	.
12787	1697	1	As	as	IN
12787	1697	2	the	the	DT
12787	1697	3	drying	drying	NN
12787	1697	4	progresses	progress	VBZ
12787	1697	5	the	the	DT
12787	1697	6	burner	burner	NN
12787	1697	7	may	may	MD
12787	1697	8	be	be	VB
12787	1697	9	gradually	gradually	RB
12787	1697	10	moved	move	VBN
12787	1697	11	toward	toward	IN
12787	1697	12	the	the	DT
12787	1697	13	base	base	NN
12787	1697	14	of	of	IN
12787	1697	15	the	the	DT
12787	1697	16	crucible	crucible	NN
12787	1697	17	and	and	CC
12787	1697	18	the	the	DT
12787	1697	19	flame	flame	NN
12787	1697	20	increased	increase	VBD
12787	1697	21	until	until	IN
12787	1697	22	the	the	DT
12787	1697	23	paper	paper	NN
12787	1697	24	of	of	IN
12787	1697	25	the	the	DT
12787	1697	26	filter	filter	NN
12787	1697	27	begins	begin	VBZ
12787	1697	28	to	to	TO
12787	1697	29	char	char	NNP
12787	1697	30	and	and	CC
12787	1697	31	finally	finally	RB
12787	1697	32	to	to	TO
12787	1697	33	smoke	smoke	VB
12787	1697	34	,	,	,
12787	1697	35	as	as	IN
12787	1697	36	the	the	DT
12787	1697	37	volatile	volatile	JJ
12787	1697	38	matter	matter	NN
12787	1697	39	is	be	VBZ
12787	1697	40	expelled	expel	VBN
12787	1697	41	.	.	.
12787	1698	1	This	this	DT
12787	1698	2	is	be	VBZ
12787	1698	3	known	know	VBN
12787	1698	4	as	as	IN
12787	1698	5	"	"	``
12787	1698	6	smoking	smoke	VBG
12787	1698	7	off	off	RP
12787	1698	8	"	"	''
12787	1698	9	a	a	DT
12787	1698	10	filter	filter	NN
12787	1698	11	,	,	,
12787	1698	12	and	and	CC
12787	1698	13	the	the	DT
12787	1698	14	temperature	temperature	NN
12787	1698	15	should	should	MD
12787	1698	16	not	not	RB
12787	1698	17	be	be	VB
12787	1698	18	raised	raise	VBN
12787	1698	19	sufficiently	sufficiently	RB
12787	1698	20	high	high	JJ
12787	1698	21	during	during	IN
12787	1698	22	this	this	DT
12787	1698	23	process	process	NN
12787	1698	24	to	to	TO
12787	1698	25	cause	cause	VB
12787	1698	26	the	the	DT
12787	1698	27	paper	paper	NN
12787	1698	28	to	to	TO
12787	1698	29	ignite	ignite	VB
12787	1698	30	,	,	,
12787	1698	31	as	as	IN
12787	1698	32	the	the	DT
12787	1698	33	air	air	NN
12787	1698	34	currents	current	NNS
12787	1698	35	produced	produce	VBN
12787	1698	36	by	by	IN
12787	1698	37	the	the	DT
12787	1698	38	flame	flame	NN
12787	1698	39	of	of	IN
12787	1698	40	the	the	DT
12787	1698	41	blazing	blaze	VBG
12787	1698	42	paper	paper	NN
12787	1698	43	may	may	MD
12787	1698	44	carry	carry	VB
12787	1698	45	away	away	RP
12787	1698	46	particles	particle	NNS
12787	1698	47	of	of	IN
12787	1698	48	the	the	DT
12787	1698	49	precipitate	precipitate	NN
12787	1698	50	.	.	.
12787	1699	1	When	when	WRB
12787	1699	2	the	the	DT
12787	1699	3	paper	paper	NN
12787	1699	4	is	be	VBZ
12787	1699	5	fully	fully	RB
12787	1699	6	charred	char	VBN
12787	1699	7	,	,	,
12787	1699	8	move	move	VB
12787	1699	9	the	the	DT
12787	1699	10	burner	burner	NN
12787	1699	11	to	to	IN
12787	1699	12	the	the	DT
12787	1699	13	base	base	NN
12787	1699	14	of	of	IN
12787	1699	15	the	the	DT
12787	1699	16	crucible	crucible	NN
12787	1699	17	and	and	CC
12787	1699	18	raise	raise	VB
12787	1699	19	the	the	DT
12787	1699	20	temperature	temperature	NN
12787	1699	21	to	to	IN
12787	1699	22	the	the	DT
12787	1699	23	full	full	JJ
12787	1699	24	heat	heat	NN
12787	1699	25	of	of	IN
12787	1699	26	the	the	DT
12787	1699	27	burner	burner	NN
12787	1699	28	for	for	IN
12787	1699	29	fifteen	fifteen	CD
12787	1699	30	minutes	minute	NNS
12787	1699	31	,	,	,
12787	1699	32	with	with	IN
12787	1699	33	the	the	DT
12787	1699	34	crucible	crucible	NN
12787	1699	35	still	still	RB
12787	1699	36	inclined	incline	VBN
12787	1699	37	on	on	IN
12787	1699	38	its	-PRON-	PRP$
12787	1699	39	side	side	NN
12787	1699	40	,	,	,
12787	1699	41	but	but	CC
12787	1699	42	without	without	IN
12787	1699	43	the	the	DT
12787	1699	44	cover	cover	NN
12787	1699	45	(	(	-LRB-
12787	1699	46	Note	note	NN
12787	1699	47	1	1	CD
12787	1699	48	)	)	-RRB-
12787	1699	49	.	.	.
12787	1700	1	Finally	finally	RB
12787	1700	2	set	set	VB
12787	1700	3	the	the	DT
12787	1700	4	crucible	crucible	NN
12787	1700	5	upright	upright	RB
12787	1700	6	in	in	IN
12787	1700	7	the	the	DT
12787	1700	8	triangle	triangle	NN
12787	1700	9	,	,	,
12787	1700	10	cover	cover	VB
12787	1700	11	it	-PRON-	PRP
12787	1700	12	,	,	,
12787	1700	13	and	and	CC
12787	1700	14	heat	heat	VB
12787	1700	15	at	at	IN
12787	1700	16	the	the	DT
12787	1700	17	full	full	JJ
12787	1700	18	temperature	temperature	NN
12787	1700	19	of	of	IN
12787	1700	20	a	a	DT
12787	1700	21	blast	blast	NN
12787	1700	22	lamp	lamp	NN
12787	1700	23	or	or	CC
12787	1700	24	other	other	JJ
12787	1700	25	high	high	JJ
12787	1700	26	temperature	temperature	NN
12787	1700	27	burner	burner	NN
12787	1700	28	.	.	.
12787	1701	1	Cool	cool	JJ
12787	1701	2	and	and	CC
12787	1701	3	weigh	weigh	VB
12787	1701	4	in	in	IN
12787	1701	5	the	the	DT
12787	1701	6	usual	usual	JJ
12787	1701	7	manner	manner	NN
12787	1701	8	(	(	-LRB-
12787	1701	9	Note	note	NN
12787	1701	10	2	2	CD
12787	1701	11	)	)	-RRB-
12787	1701	12	.	.	.
12787	1702	1	Repeat	repeat	VB
12787	1702	2	the	the	DT
12787	1702	3	strong	strong	JJ
12787	1702	4	heating	heating	NN
12787	1702	5	until	until	IN
12787	1702	6	the	the	DT
12787	1702	7	weight	weight	NN
12787	1702	8	is	be	VBZ
12787	1702	9	constant	constant	JJ
12787	1702	10	within	within	IN
12787	1702	11	0.0003	0.0003	CD
12787	1702	12	gram	gram	NN
12787	1702	13	.	.	.
12787	1703	1	From	from	IN
12787	1703	2	the	the	DT
12787	1703	3	weight	weight	NN
12787	1703	4	of	of	IN
12787	1703	5	ferric	ferric	JJ
12787	1703	6	oxide	oxide	NN
12787	1703	7	(	(	-LRB-
12787	1703	8	Fe_{2}O_{3	fe_{2}o_{3	CD
12787	1703	9	}	}	-RRB-
12787	1703	10	)	)	-RRB-
12787	1703	11	calculate	calculate	VB
12787	1703	12	the	the	DT
12787	1703	13	percentage	percentage	NN
12787	1703	14	of	of	IN
12787	1703	15	iron	iron	NN
12787	1703	16	(	(	-LRB-
12787	1703	17	Fe	fe	FW
12787	1703	18	)	)	-RRB-
12787	1703	19	in	in	IN
12787	1703	20	the	the	DT
12787	1703	21	sample	sample	NN
12787	1703	22	(	(	-LRB-
12787	1703	23	Note	note	NN
12787	1703	24	3	3	CD
12787	1703	25	)	)	-RRB-
12787	1703	26	.	.	.
12787	1704	1	[	[	-LRB-
12787	1704	2	Note	note	NN
12787	1704	3	1	1	CD
12787	1704	4	:	:	:
12787	1704	5	These	these	DT
12787	1704	6	directions	direction	NNS
12787	1704	7	for	for	IN
12787	1704	8	the	the	DT
12787	1704	9	ignition	ignition	NN
12787	1704	10	of	of	IN
12787	1704	11	the	the	DT
12787	1704	12	precipitate	precipitate	NN
12787	1704	13	must	must	MD
12787	1704	14	be	be	VB
12787	1704	15	closely	closely	RB
12787	1704	16	followed	follow	VBN
12787	1704	17	.	.	.
12787	1705	1	A	a	DT
12787	1705	2	ready	ready	JJ
12787	1705	3	access	access	NN
12787	1705	4	of	of	IN
12787	1705	5	atmospheric	atmospheric	JJ
12787	1705	6	oxygen	oxygen	NN
12787	1705	7	is	be	VBZ
12787	1705	8	of	of	IN
12787	1705	9	special	special	JJ
12787	1705	10	importance	importance	NN
12787	1705	11	to	to	TO
12787	1705	12	insure	insure	VB
12787	1705	13	the	the	DT
12787	1705	14	reoxidation	reoxidation	NN
12787	1705	15	to	to	IN
12787	1705	16	ferric	ferric	JJ
12787	1705	17	oxide	oxide	NN
12787	1705	18	of	of	IN
12787	1705	19	any	any	DT
12787	1705	20	iron	iron	NN
12787	1705	21	which	which	WDT
12787	1705	22	may	may	MD
12787	1705	23	be	be	VB
12787	1705	24	reduced	reduce	VBN
12787	1705	25	to	to	IN
12787	1705	26	magnetic	magnetic	JJ
12787	1705	27	oxide	oxide	NN
12787	1705	28	(	(	-LRB-
12787	1705	29	Fe_{3}O_{4	fe_{3}o_{4	NN
12787	1705	30	}	}	-RRB-
12787	1705	31	)	)	-RRB-
12787	1705	32	during	during	IN
12787	1705	33	the	the	DT
12787	1705	34	combustion	combustion	NN
12787	1705	35	of	of	IN
12787	1705	36	the	the	DT
12787	1705	37	filter	filter	NN
12787	1705	38	.	.	.
12787	1706	1	The	the	DT
12787	1706	2	final	final	JJ
12787	1706	3	heating	heating	NN
12787	1706	4	over	over	IN
12787	1706	5	the	the	DT
12787	1706	6	blast	blast	NN
12787	1706	7	lamp	lamp	NN
12787	1706	8	is	be	VBZ
12787	1706	9	essential	essential	JJ
12787	1706	10	for	for	IN
12787	1706	11	the	the	DT
12787	1706	12	complete	complete	JJ
12787	1706	13	expulsion	expulsion	NN
12787	1706	14	of	of	IN
12787	1706	15	the	the	DT
12787	1706	16	last	last	JJ
12787	1706	17	traces	trace	NNS
12787	1706	18	of	of	IN
12787	1706	19	water	water	NN
12787	1706	20	from	from	IN
12787	1706	21	the	the	DT
12787	1706	22	hydroxide	hydroxide	NN
12787	1706	23	.	.	.
12787	1706	24	]	]	-RRB-
12787	1707	1	[	[	-LRB-
12787	1707	2	Note	note	NN
12787	1707	3	2	2	CD
12787	1707	4	:	:	:
12787	1707	5	Ignited	ignited	JJ
12787	1707	6	ferric	ferric	JJ
12787	1707	7	oxide	oxide	NN
12787	1707	8	is	be	VBZ
12787	1707	9	somewhat	somewhat	RB
12787	1707	10	hygroscopic	hygroscopic	JJ
12787	1707	11	.	.	.
12787	1708	1	On	on	IN
12787	1708	2	this	this	DT
12787	1708	3	account	account	NN
12787	1708	4	the	the	DT
12787	1708	5	weighings	weighing	NNS
12787	1708	6	must	must	MD
12787	1708	7	be	be	VB
12787	1708	8	promptly	promptly	RB
12787	1708	9	completed	complete	VBN
12787	1708	10	after	after	IN
12787	1708	11	removal	removal	NN
12787	1708	12	from	from	IN
12787	1708	13	the	the	DT
12787	1708	14	desiccator	desiccator	NN
12787	1708	15	.	.	.
12787	1709	1	In	in	IN
12787	1709	2	all	all	DT
12787	1709	3	weighings	weighing	NNS
12787	1709	4	after	after	IN
12787	1709	5	the	the	DT
12787	1709	6	first	first	JJ
12787	1709	7	it	-PRON-	PRP
12787	1709	8	is	be	VBZ
12787	1709	9	well	well	JJ
12787	1709	10	to	to	TO
12787	1709	11	place	place	VB
12787	1709	12	the	the	DT
12787	1709	13	weights	weight	NNS
12787	1709	14	upon	upon	IN
12787	1709	15	the	the	DT
12787	1709	16	balance	balance	NN
12787	1709	17	-	-	HYPH
12787	1709	18	pan	pan	NN
12787	1709	19	before	before	IN
12787	1709	20	removing	remove	VBG
12787	1709	21	the	the	DT
12787	1709	22	crucible	crucible	NN
12787	1709	23	from	from	IN
12787	1709	24	the	the	DT
12787	1709	25	desiccator	desiccator	NN
12787	1709	26	.	.	.
12787	1710	1	It	-PRON-	PRP
12787	1710	2	is	be	VBZ
12787	1710	3	then	then	RB
12787	1710	4	only	only	RB
12787	1710	5	necessary	necessary	JJ
12787	1710	6	to	to	TO
12787	1710	7	move	move	VB
12787	1710	8	the	the	DT
12787	1710	9	rider	rider	NN
12787	1710	10	to	to	TO
12787	1710	11	obtain	obtain	VB
12787	1710	12	the	the	DT
12787	1710	13	weight	weight	NN
12787	1710	14	.	.	.
12787	1710	15	]	]	-RRB-
12787	1711	1	[	[	-LRB-
12787	1711	2	Note	note	NN
12787	1711	3	3	3	CD
12787	1711	4	:	:	:
12787	1711	5	The	the	DT
12787	1711	6	gravimetric	gravimetric	JJ
12787	1711	7	determination	determination	NN
12787	1711	8	of	of	IN
12787	1711	9	aluminium	aluminium	NN
12787	1711	10	or	or	CC
12787	1711	11	chromium	chromium	NN
12787	1711	12	is	be	VBZ
12787	1711	13	comparable	comparable	JJ
12787	1711	14	with	with	IN
12787	1711	15	that	that	DT
12787	1711	16	of	of	IN
12787	1711	17	iron	iron	NN
12787	1711	18	just	just	RB
12787	1711	19	described	describe	VBN
12787	1711	20	,	,	,
12787	1711	21	with	with	IN
12787	1711	22	the	the	DT
12787	1711	23	additional	additional	JJ
12787	1711	24	precaution	precaution	NN
12787	1711	25	that	that	IN
12787	1711	26	the	the	DT
12787	1711	27	solution	solution	NN
12787	1711	28	must	must	MD
12787	1711	29	be	be	VB
12787	1711	30	boiled	boil	VBN
12787	1711	31	until	until	IN
12787	1711	32	it	-PRON-	PRP
12787	1711	33	contains	contain	VBZ
12787	1711	34	but	but	CC
12787	1711	35	a	a	DT
12787	1711	36	very	very	RB
12787	1711	37	slight	slight	JJ
12787	1711	38	excess	excess	NN
12787	1711	39	of	of	IN
12787	1711	40	ammonia	ammonia	NN
12787	1711	41	,	,	,
12787	1711	42	since	since	IN
12787	1711	43	the	the	DT
12787	1711	44	hydroxides	hydroxides	NNP
12787	1711	45	of	of	IN
12787	1711	46	aluminium	aluminium	NN
12787	1711	47	and	and	CC
12787	1711	48	chromium	chromium	NN
12787	1711	49	are	be	VBP
12787	1711	50	more	more	RBR
12787	1711	51	soluble	soluble	JJ
12787	1711	52	than	than	IN
12787	1711	53	ferric	ferric	JJ
12787	1711	54	hydroxide	hydroxide	NN
12787	1711	55	.	.	.
12787	1712	1	The	the	DT
12787	1712	2	most	most	RBS
12787	1712	3	important	important	JJ
12787	1712	4	properties	property	NNS
12787	1712	5	of	of	IN
12787	1712	6	these	these	DT
12787	1712	7	hydroxides	hydroxide	NNS
12787	1712	8	,	,	,
12787	1712	9	from	from	IN
12787	1712	10	a	a	DT
12787	1712	11	quantitative	quantitative	JJ
12787	1712	12	standpoint	standpoint	NN
12787	1712	13	,	,	,
12787	1712	14	other	other	JJ
12787	1712	15	than	than	IN
12787	1712	16	those	those	DT
12787	1712	17	mentioned	mention	VBN
12787	1712	18	,	,	,
12787	1712	19	are	be	VBP
12787	1712	20	the	the	DT
12787	1712	21	following	follow	VBG
12787	1712	22	:	:	:
12787	1712	23	All	all	DT
12787	1712	24	are	be	VBP
12787	1712	25	precipitable	precipitable	JJ
12787	1712	26	by	by	IN
12787	1712	27	the	the	DT
12787	1712	28	hydroxides	hydroxide	NNS
12787	1712	29	of	of	IN
12787	1712	30	sodium	sodium	NN
12787	1712	31	and	and	CC
12787	1712	32	potassium	potassium	NN
12787	1712	33	,	,	,
12787	1712	34	but	but	CC
12787	1712	35	always	always	RB
12787	1712	36	inclose	inclose	VB
12787	1712	37	some	some	DT
12787	1712	38	of	of	IN
12787	1712	39	the	the	DT
12787	1712	40	precipitant	precipitant	NN
12787	1712	41	,	,	,
12787	1712	42	and	and	CC
12787	1712	43	should	should	MD
12787	1712	44	be	be	VB
12787	1712	45	reprecipitated	reprecipitate	VBN
12787	1712	46	with	with	IN
12787	1712	47	ammonium	ammonium	NN
12787	1712	48	hydroxide	hydroxide	NN
12787	1712	49	before	before	IN
12787	1712	50	ignition	ignition	NN
12787	1712	51	to	to	IN
12787	1712	52	oxides	oxide	NNS
12787	1712	53	.	.	.
12787	1713	1	Chromium	chromium	NN
12787	1713	2	and	and	CC
12787	1713	3	aluminium	aluminium	NN
12787	1713	4	hydroxides	hydroxide	NNS
12787	1713	5	dissolve	dissolve	VBP
12787	1713	6	in	in	IN
12787	1713	7	an	an	DT
12787	1713	8	excess	excess	NN
12787	1713	9	of	of	IN
12787	1713	10	the	the	DT
12787	1713	11	caustic	caustic	JJ
12787	1713	12	alkalies	alkali	NNS
12787	1713	13	and	and	CC
12787	1713	14	form	form	NN
12787	1713	15	anions	anion	NNS
12787	1713	16	,	,	,
12787	1713	17	probably	probably	RB
12787	1713	18	of	of	IN
12787	1713	19	the	the	DT
12787	1713	20	formula	formula	NN
12787	1713	21	AlO_2^{-	AlO_2^{-	NNP
12787	1713	22	}	}	-RRB-
12787	1713	23	and	and	CC
12787	1713	24	CrO_{2}^{-	cro_{2}^{-	NN
12787	1713	25	}	}	-RRB-
12787	1713	26	.	.	.
12787	1714	1	Chromium	chromium	NN
12787	1714	2	hydroxide	hydroxide	NN
12787	1714	3	is	be	VBZ
12787	1714	4	reprecipitated	reprecipitate	VBN
12787	1714	5	from	from	IN
12787	1714	6	this	this	DT
12787	1714	7	solution	solution	NN
12787	1714	8	on	on	IN
12787	1714	9	boiling	boil	VBG
12787	1714	10	.	.	.
12787	1715	1	When	when	WRB
12787	1715	2	first	first	RB
12787	1715	3	precipitated	precipitate	VBD
12787	1715	4	the	the	DT
12787	1715	5	hydroxides	hydroxide	NNS
12787	1715	6	are	be	VBP
12787	1715	7	all	all	RB
12787	1715	8	readily	readily	RB
12787	1715	9	soluble	soluble	JJ
12787	1715	10	in	in	IN
12787	1715	11	acids	acid	NNS
12787	1715	12	,	,	,
12787	1715	13	but	but	CC
12787	1715	14	aluminium	aluminium	NN
12787	1715	15	hydroxide	hydroxide	NN
12787	1715	16	dissolves	dissolve	NNS
12787	1715	17	with	with	IN
12787	1715	18	considerable	considerable	JJ
12787	1715	19	difficulty	difficulty	NN
12787	1715	20	after	after	IN
12787	1715	21	standing	stand	VBG
12787	1715	22	or	or	CC
12787	1715	23	boiling	boil	VBG
12787	1715	24	for	for	IN
12787	1715	25	some	some	DT
12787	1715	26	time	time	NN
12787	1715	27	.	.	.
12787	1716	1	The	the	DT
12787	1716	2	precipitation	precipitation	NN
12787	1716	3	of	of	IN
12787	1716	4	the	the	DT
12787	1716	5	hydroxides	hydroxide	NNS
12787	1716	6	is	be	VBZ
12787	1716	7	promoted	promote	VBN
12787	1716	8	by	by	IN
12787	1716	9	the	the	DT
12787	1716	10	presence	presence	NN
12787	1716	11	of	of	IN
12787	1716	12	ammonium	ammonium	NN
12787	1716	13	chloride	chloride	NN
12787	1716	14	,	,	,
12787	1716	15	but	but	CC
12787	1716	16	is	be	VBZ
12787	1716	17	partially	partially	RB
12787	1716	18	or	or	CC
12787	1716	19	entirely	entirely	RB
12787	1716	20	prevented	prevent	VBN
12787	1716	21	by	by	IN
12787	1716	22	the	the	DT
12787	1716	23	presence	presence	NN
12787	1716	24	of	of	IN
12787	1716	25	tartaric	tartaric	NN
12787	1716	26	or	or	CC
12787	1716	27	citric	citric	JJ
12787	1716	28	acids	acid	NNS
12787	1716	29	,	,	,
12787	1716	30	glycerine	glycerine	NNP
12787	1716	31	,	,	,
12787	1716	32	sugars	sugars	FW
12787	1716	33	,	,	,
12787	1716	34	and	and	CC
12787	1716	35	some	some	DT
12787	1716	36	other	other	JJ
12787	1716	37	forms	form	NNS
12787	1716	38	of	of	IN
12787	1716	39	soluble	soluble	JJ
12787	1716	40	organic	organic	JJ
12787	1716	41	matter	matter	NN
12787	1716	42	.	.	.
12787	1717	1	The	the	DT
12787	1717	2	hydroxides	hydroxide	NNS
12787	1717	3	yield	yield	VBP
12787	1717	4	on	on	IN
12787	1717	5	ignition	ignition	NN
12787	1717	6	an	an	DT
12787	1717	7	oxide	oxide	NN
12787	1717	8	suitable	suitable	JJ
12787	1717	9	for	for	IN
12787	1717	10	weighing	weigh	VBG
12787	1717	11	(	(	-LRB-
12787	1717	12	Al_{2}O_{3	Al_{2}O_{3	NNP
12787	1717	13	}	}	-RRB-
12787	1717	14	,	,	,
12787	1717	15	Cr_{2}O_{3	Cr_{2}O_{3	NNP
12787	1717	16	}	}	-RRB-
12787	1717	17	,	,	,
12787	1717	18	Fe_{2}O_{3	fe_{2}o_{3	CD
12787	1717	19	}	}	-RRB-
12787	1717	20	)	)	-RRB-
12787	1717	21	.	.	.
12787	1717	22	]	]	-RRB-
12787	1718	1	DETERMINATION	determination	NN
12787	1718	2	OF	of	IN
12787	1718	3	SULPHUR	SULPHUR	NNP
12787	1718	4	PROCEDURE.--Add	PROCEDURE.--Add	''
12787	1718	5	to	to	IN
12787	1718	6	the	the	DT
12787	1718	7	combined	combine	VBN
12787	1718	8	filtrates	filtrate	NNS
12787	1718	9	from	from	IN
12787	1718	10	the	the	DT
12787	1718	11	ferric	ferric	JJ
12787	1718	12	hydroxide	hydroxide	NN
12787	1718	13	about	about	RB
12787	1718	14	0.6	0.6	CD
12787	1718	15	gram	gram	NN
12787	1718	16	of	of	IN
12787	1718	17	anhydrous	anhydrous	JJ
12787	1718	18	sodium	sodium	NN
12787	1718	19	carbonate	carbonate	NN
12787	1718	20	;	;	:
12787	1718	21	cover	cover	VB
12787	1718	22	the	the	DT
12787	1718	23	beaker	beaker	NN
12787	1718	24	,	,	,
12787	1718	25	and	and	CC
12787	1718	26	then	then	RB
12787	1718	27	add	add	VB
12787	1718	28	dilute	dilute	NN
12787	1718	29	hydrochloric	hydrochloric	NNP
12787	1718	30	acid	acid	NNP
12787	1718	31	(	(	-LRB-
12787	1718	32	sp	sp	NNP
12787	1718	33	.	.	.
12787	1719	1	gr	gr	NNP
12787	1719	2	.	.	.
12787	1720	1	1.12	1.12	CD
12787	1720	2	)	)	-RRB-
12787	1720	3	in	in	IN
12787	1720	4	moderate	moderate	JJ
12787	1720	5	excess	excess	NN
12787	1720	6	and	and	CC
12787	1720	7	evaporate	evaporate	VB
12787	1720	8	to	to	TO
12787	1720	9	dryness	dryness	NN
12787	1720	10	on	on	IN
12787	1720	11	the	the	DT
12787	1720	12	water	water	NN
12787	1720	13	bath	bath	NN
12787	1720	14	.	.	.
12787	1721	1	Add	add	VB
12787	1721	2	10	10	CD
12787	1721	3	cc	cc	NN
12787	1721	4	.	.	.
12787	1722	1	of	of	IN
12787	1722	2	concentrated	concentrated	JJ
12787	1722	3	hydrochloric	hydrochloric	JJ
12787	1722	4	acid	acid	NN
12787	1722	5	(	(	-LRB-
12787	1722	6	sp	sp	NNP
12787	1722	7	.	.	.
12787	1723	1	gr	gr	NNP
12787	1723	2	.	.	.
12787	1724	1	1.20	1.20	LS
12787	1724	2	)	)	-RRB-
12787	1724	3	to	to	IN
12787	1724	4	the	the	DT
12787	1724	5	residue	residue	NN
12787	1724	6	,	,	,
12787	1724	7	and	and	CC
12787	1724	8	again	again	RB
12787	1724	9	evaporate	evaporate	VB
12787	1724	10	to	to	TO
12787	1724	11	dryness	dryness	NN
12787	1724	12	on	on	IN
12787	1724	13	the	the	DT
12787	1724	14	bath	bath	NN
12787	1724	15	.	.	.
12787	1725	1	Dissolve	dissolve	VB
12787	1725	2	the	the	DT
12787	1725	3	residue	residue	NN
12787	1725	4	in	in	IN
12787	1725	5	water	water	NN
12787	1725	6	,	,	,
12787	1725	7	filter	filter	VB
12787	1725	8	if	if	IN
12787	1725	9	not	not	RB
12787	1725	10	clear	clear	JJ
12787	1725	11	,	,	,
12787	1725	12	transfer	transfer	VB
12787	1725	13	to	to	IN
12787	1725	14	a	a	DT
12787	1725	15	700	700	CD
12787	1725	16	cc	cc	NN
12787	1725	17	.	.	.
12787	1726	1	beaker	beaker	NN
12787	1726	2	,	,	,
12787	1726	3	dilute	dilute	NN
12787	1726	4	to	to	IN
12787	1726	5	about	about	RB
12787	1726	6	400	400	CD
12787	1726	7	cc	cc	NN
12787	1726	8	.	.	NNP
12787	1726	9	,	,	,
12787	1726	10	and	and	CC
12787	1726	11	cautiously	cautiously	RB
12787	1726	12	add	add	VB
12787	1726	13	hydrochloric	hydrochloric	JJ
12787	1726	14	acid	acid	NN
12787	1726	15	until	until	IN
12787	1726	16	the	the	DT
12787	1726	17	solution	solution	NN
12787	1726	18	shows	show	VBZ
12787	1726	19	a	a	DT
12787	1726	20	distinctly	distinctly	RB
12787	1726	21	acid	acid	JJ
12787	1726	22	reaction	reaction	NN
12787	1726	23	(	(	-LRB-
12787	1726	24	Note	note	NN
12787	1726	25	1	1	CD
12787	1726	26	)	)	-RRB-
12787	1726	27	.	.	.
12787	1727	1	Heat	heat	VB
12787	1727	2	the	the	DT
12787	1727	3	solution	solution	NN
12787	1727	4	to	to	IN
12787	1727	5	boiling	boil	VBG
12787	1727	6	,	,	,
12787	1727	7	and	and	CC
12787	1727	8	add	add	VB
12787	1727	9	!	!	.
12787	1727	10	very	very	RB
12787	1727	11	slowly	slowly	RB
12787	1727	12	!	!	.
12787	1728	1	and	and	CC
12787	1728	2	with	with	IN
12787	1728	3	constant	constant	JJ
12787	1728	4	stirring	stirring	NN
12787	1728	5	,	,	,
12787	1728	6	20	20	CD
12787	1728	7	cc	cc	NN
12787	1728	8	.	.	.
12787	1729	1	in	in	IN
12787	1729	2	excess	excess	NN
12787	1729	3	of	of	IN
12787	1729	4	the	the	DT
12787	1729	5	calculated	calculate	VBN
12787	1729	6	amount	amount	NN
12787	1729	7	of	of	IN
12787	1729	8	a	a	DT
12787	1729	9	hot	hot	JJ
12787	1729	10	barium	barium	NN
12787	1729	11	chloride	chloride	NN
12787	1729	12	solution	solution	NN
12787	1729	13	,	,	,
12787	1729	14	containing	contain	VBG
12787	1729	15	about	about	IN
12787	1729	16	20	20	CD
12787	1729	17	grams	gram	NNS
12787	1729	18	BaCl_{2}.2H_{2}O	bacl_{2}.2h_{2}o	JJ
12787	1729	19	per	per	IN
12787	1729	20	liter	liter	NN
12787	1729	21	(	(	-LRB-
12787	1729	22	Notes	note	NNS
12787	1729	23	2	2	CD
12787	1729	24	and	and	CC
12787	1729	25	3	3	CD
12787	1729	26	)	)	-RRB-
12787	1729	27	.	.	.
12787	1730	1	Continue	continue	VB
12787	1730	2	the	the	DT
12787	1730	3	boiling	boiling	NN
12787	1730	4	for	for	IN
12787	1730	5	about	about	RB
12787	1730	6	two	two	CD
12787	1730	7	minutes	minute	NNS
12787	1730	8	,	,	,
12787	1730	9	allow	allow	VB
12787	1730	10	the	the	DT
12787	1730	11	precipitate	precipitate	NN
12787	1730	12	to	to	TO
12787	1730	13	settle	settle	VB
12787	1730	14	,	,	,
12787	1730	15	and	and	CC
12787	1730	16	decant	decant	VB
12787	1730	17	the	the	DT
12787	1730	18	liquid	liquid	NN
12787	1730	19	at	at	IN
12787	1730	20	the	the	DT
12787	1730	21	end	end	NN
12787	1730	22	of	of	IN
12787	1730	23	half	half	PDT
12787	1730	24	an	an	DT
12787	1730	25	hour	hour	NN
12787	1730	26	(	(	-LRB-
12787	1730	27	Note	note	NN
12787	1730	28	4	4	CD
12787	1730	29	)	)	-RRB-
12787	1730	30	.	.	.
12787	1731	1	Replace	replace	VB
12787	1731	2	the	the	DT
12787	1731	3	beaker	beaker	NN
12787	1731	4	containing	contain	VBG
12787	1731	5	the	the	DT
12787	1731	6	original	original	JJ
12787	1731	7	filtrate	filtrate	NN
12787	1731	8	by	by	IN
12787	1731	9	a	a	DT
12787	1731	10	clean	clean	JJ
12787	1731	11	beaker	beaker	NN
12787	1731	12	,	,	,
12787	1731	13	wash	wash	VB
12787	1731	14	the	the	DT
12787	1731	15	precipitated	precipitate	VBN
12787	1731	16	sulphate	sulphate	NN
12787	1731	17	by	by	IN
12787	1731	18	decantation	decantation	NN
12787	1731	19	with	with	IN
12787	1731	20	hot	hot	JJ
12787	1731	21	water	water	NN
12787	1731	22	,	,	,
12787	1731	23	and	and	CC
12787	1731	24	subsequently	subsequently	RB
12787	1731	25	upon	upon	IN
12787	1731	26	the	the	DT
12787	1731	27	filter	filter	NN
12787	1731	28	until	until	IN
12787	1731	29	it	-PRON-	PRP
12787	1731	30	is	be	VBZ
12787	1731	31	freed	free	VBN
12787	1731	32	from	from	IN
12787	1731	33	chlorides	chloride	NNS
12787	1731	34	,	,	,
12787	1731	35	testing	test	VBG
12787	1731	36	the	the	DT
12787	1731	37	washings	washing	NNS
12787	1731	38	as	as	IN
12787	1731	39	described	describe	VBN
12787	1731	40	in	in	IN
12787	1731	41	the	the	DT
12787	1731	42	determination	determination	NN
12787	1731	43	of	of	IN
12787	1731	44	iron	iron	NN
12787	1731	45	.	.	.
12787	1732	1	The	the	DT
12787	1732	2	filter	filter	NN
12787	1732	3	is	be	VBZ
12787	1732	4	then	then	RB
12787	1732	5	transferred	transfer	VBN
12787	1732	6	to	to	IN
12787	1732	7	a	a	DT
12787	1732	8	platinum	platinum	NN
12787	1732	9	or	or	CC
12787	1732	10	porcelain	porcelain	NN
12787	1732	11	crucible	crucible	JJ
12787	1732	12	and	and	CC
12787	1732	13	ignited	ignite	VBD
12787	1732	14	,	,	,
12787	1732	15	as	as	IN
12787	1732	16	described	describe	VBN
12787	1732	17	above	above	RB
12787	1732	18	,	,	,
12787	1732	19	until	until	IN
12787	1732	20	the	the	DT
12787	1732	21	weight	weight	NN
12787	1732	22	is	be	VBZ
12787	1732	23	constant	constant	JJ
12787	1732	24	(	(	-LRB-
12787	1732	25	Note	note	NN
12787	1732	26	5	5	CD
12787	1732	27	)	)	-RRB-
12787	1732	28	.	.	.
12787	1733	1	From	from	IN
12787	1733	2	the	the	DT
12787	1733	3	weight	weight	NN
12787	1733	4	of	of	IN
12787	1733	5	barium	barium	NN
12787	1733	6	sulphate	sulphate	NN
12787	1733	7	(	(	-LRB-
12787	1733	8	BaSO_{4	BaSO_{4	NNP
12787	1733	9	}	}	-RRB-
12787	1733	10	)	)	-RRB-
12787	1733	11	obtained	obtain	VBN
12787	1733	12	,	,	,
12787	1733	13	calculate	calculate	VB
12787	1733	14	the	the	DT
12787	1733	15	percentage	percentage	NN
12787	1733	16	of	of	IN
12787	1733	17	sulphur	sulphur	NNP
12787	1733	18	(	(	-LRB-
12787	1733	19	S	S	NNP
12787	1733	20	)	)	-RRB-
12787	1733	21	in	in	IN
12787	1733	22	the	the	DT
12787	1733	23	sample	sample	NN
12787	1733	24	.	.	.
12787	1734	1	[	[	-LRB-
12787	1734	2	Note	note	NN
12787	1734	3	1	1	CD
12787	1734	4	:	:	:
12787	1734	5	Barium	barium	NN
12787	1734	6	sulphate	sulphate	NN
12787	1734	7	is	be	VBZ
12787	1734	8	slightly	slightly	RB
12787	1734	9	soluble	soluble	JJ
12787	1734	10	in	in	IN
12787	1734	11	hydrochloric	hydrochloric	JJ
12787	1734	12	acid	acid	NN
12787	1734	13	,	,	,
12787	1734	14	even	even	RB
12787	1734	15	dilute	dilute	NN
12787	1734	16	,	,	,
12787	1734	17	probably	probably	RB
12787	1734	18	as	as	IN
12787	1734	19	a	a	DT
12787	1734	20	result	result	NN
12787	1734	21	of	of	IN
12787	1734	22	the	the	DT
12787	1734	23	reduction	reduction	NN
12787	1734	24	in	in	IN
12787	1734	25	the	the	DT
12787	1734	26	degree	degree	NN
12787	1734	27	of	of	IN
12787	1734	28	dissociation	dissociation	NN
12787	1734	29	of	of	IN
12787	1734	30	sulphuric	sulphuric	JJ
12787	1734	31	acid	acid	NN
12787	1734	32	in	in	IN
12787	1734	33	the	the	DT
12787	1734	34	presence	presence	NN
12787	1734	35	of	of	IN
12787	1734	36	the	the	DT
12787	1734	37	H^{+	H^{+	NNP
12787	1734	38	}	}	-RRB-
12787	1734	39	ions	ion	NNS
12787	1734	40	of	of	IN
12787	1734	41	the	the	DT
12787	1734	42	hydrochloric	hydrochloric	JJ
12787	1734	43	acid	acid	NN
12787	1734	44	,	,	,
12787	1734	45	and	and	CC
12787	1734	46	possibly	possibly	RB
12787	1734	47	because	because	IN
12787	1734	48	of	of	IN
12787	1734	49	the	the	DT
12787	1734	50	formation	formation	NN
12787	1734	51	of	of	IN
12787	1734	52	a	a	DT
12787	1734	53	complex	complex	JJ
12787	1734	54	anion	anion	NN
12787	1734	55	made	make	VBN
12787	1734	56	up	up	RP
12787	1734	57	of	of	IN
12787	1734	58	barium	barium	NN
12787	1734	59	and	and	CC
12787	1734	60	chlorine	chlorine	NN
12787	1734	61	;	;	:
12787	1734	62	hence	hence	RB
12787	1734	63	only	only	RB
12787	1734	64	the	the	DT
12787	1734	65	smallest	small	JJS
12787	1734	66	excess	excess	NN
12787	1734	67	should	should	MD
12787	1734	68	be	be	VB
12787	1734	69	added	add	VBN
12787	1734	70	over	over	IN
12787	1734	71	the	the	DT
12787	1734	72	amount	amount	NN
12787	1734	73	required	require	VBN
12787	1734	74	to	to	TO
12787	1734	75	acidify	acidify	VB
12787	1734	76	the	the	DT
12787	1734	77	solution	solution	NN
12787	1734	78	.	.	.
12787	1734	79	]	]	-RRB-
12787	1735	1	[	[	-LRB-
12787	1735	2	Note	note	NN
12787	1735	3	2	2	CD
12787	1735	4	:	:	:
12787	1735	5	The	the	DT
12787	1735	6	ionic	ionic	JJ
12787	1735	7	changes	change	NNS
12787	1735	8	involved	involve	VBN
12787	1735	9	in	in	IN
12787	1735	10	the	the	DT
12787	1735	11	precipitation	precipitation	NN
12787	1735	12	of	of	IN
12787	1735	13	barium	barium	NN
12787	1735	14	sulphate	sulphate	NN
12787	1735	15	are	be	VBP
12787	1735	16	very	very	RB
12787	1735	17	simple	simple	JJ
12787	1735	18	:	:	:
12787	1735	19	Ba^{++	Ba^{++	NNP
12787	1735	20	}	}	-RRB-
12787	1735	21	+	+	SYM
12787	1735	22	SO_{4}^{--	so_{4}^{--	NN
12787	1735	23	}	}	-RRB-
12787	1735	24	--	--	:
12787	1735	25	>	>	XX
12787	1735	26	[	[	-LRB-
12787	1735	27	BaSO_{4	BaSO_{4	NNP
12787	1735	28	}	}	-RRB-
12787	1735	29	]	]	-RRB-
12787	1735	30	This	this	DT
12787	1735	31	case	case	NN
12787	1735	32	affords	afford	VBZ
12787	1735	33	one	one	CD
12787	1735	34	of	of	IN
12787	1735	35	the	the	DT
12787	1735	36	best	good	JJS
12787	1735	37	illustrations	illustration	NNS
12787	1735	38	of	of	IN
12787	1735	39	the	the	DT
12787	1735	40	effect	effect	NN
12787	1735	41	of	of	IN
12787	1735	42	an	an	DT
12787	1735	43	excess	excess	NN
12787	1735	44	of	of	IN
12787	1735	45	a	a	DT
12787	1735	46	precipitant	precipitant	NN
12787	1735	47	in	in	IN
12787	1735	48	decreasing	decrease	VBG
12787	1735	49	the	the	DT
12787	1735	50	solubility	solubility	NN
12787	1735	51	of	of	IN
12787	1735	52	a	a	DT
12787	1735	53	precipitate	precipitate	NN
12787	1735	54	.	.	.
12787	1736	1	If	if	IN
12787	1736	2	the	the	DT
12787	1736	3	conditions	condition	NNS
12787	1736	4	are	be	VBP
12787	1736	5	considered	consider	VBN
12787	1736	6	which	which	WDT
12787	1736	7	exist	exist	VBP
12787	1736	8	at	at	IN
12787	1736	9	the	the	DT
12787	1736	10	moment	moment	NN
12787	1736	11	when	when	WRB
12787	1736	12	just	just	RB
12787	1736	13	enough	enough	RB
12787	1736	14	of	of	IN
12787	1736	15	the	the	DT
12787	1736	16	Ba^{++	Ba^{++	NNS
12787	1736	17	}	}	-RRB-
12787	1736	18	ions	ion	NNS
12787	1736	19	have	have	VBP
12787	1736	20	been	be	VBN
12787	1736	21	added	add	VBN
12787	1736	22	to	to	TO
12787	1736	23	correspond	correspond	VB
12787	1736	24	to	to	IN
12787	1736	25	the	the	DT
12787	1736	26	SO_{4}^{--	so_{4}^{--	NN
12787	1736	27	}	}	-RRB-
12787	1736	28	ions	ion	NNS
12787	1736	29	in	in	IN
12787	1736	30	the	the	DT
12787	1736	31	solution	solution	NN
12787	1736	32	,	,	,
12787	1736	33	it	-PRON-	PRP
12787	1736	34	will	will	MD
12787	1736	35	be	be	VB
12787	1736	36	seen	see	VBN
12787	1736	37	that	that	IN
12787	1736	38	nearly	nearly	RB
12787	1736	39	all	all	DT
12787	1736	40	of	of	IN
12787	1736	41	the	the	DT
12787	1736	42	barium	barium	NN
12787	1736	43	sulphate	sulphate	NN
12787	1736	44	has	have	VBZ
12787	1736	45	been	be	VBN
12787	1736	46	precipitated	precipitate	VBN
12787	1736	47	,	,	,
12787	1736	48	and	and	CC
12787	1736	49	that	that	IN
12787	1736	50	the	the	DT
12787	1736	51	small	small	JJ
12787	1736	52	amount	amount	NN
12787	1736	53	which	which	WDT
12787	1736	54	then	then	RB
12787	1736	55	remains	remain	VBZ
12787	1736	56	in	in	IN
12787	1736	57	the	the	DT
12787	1736	58	solution	solution	NN
12787	1736	59	which	which	WDT
12787	1736	60	is	be	VBZ
12787	1736	61	in	in	IN
12787	1736	62	contact	contact	NN
12787	1736	63	with	with	IN
12787	1736	64	the	the	DT
12787	1736	65	precipitate	precipitate	NN
12787	1736	66	must	must	MD
12787	1736	67	represent	represent	VB
12787	1736	68	a	a	DT
12787	1736	69	saturated	saturate	VBN
12787	1736	70	solution	solution	NN
12787	1736	71	for	for	IN
12787	1736	72	the	the	DT
12787	1736	73	existing	exist	VBG
12787	1736	74	temperature	temperature	NN
12787	1736	75	,	,	,
12787	1736	76	and	and	CC
12787	1736	77	that	that	IN
12787	1736	78	this	this	DT
12787	1736	79	solution	solution	NN
12787	1736	80	is	be	VBZ
12787	1736	81	comparable	comparable	JJ
12787	1736	82	with	with	IN
12787	1736	83	a	a	DT
12787	1736	84	solution	solution	NN
12787	1736	85	of	of	IN
12787	1736	86	sugar	sugar	NN
12787	1736	87	to	to	TO
12787	1736	88	which	which	WDT
12787	1736	89	more	more	JJR
12787	1736	90	sugar	sugar	NN
12787	1736	91	has	have	VBZ
12787	1736	92	been	be	VBN
12787	1736	93	added	add	VBN
12787	1736	94	than	than	IN
12787	1736	95	will	will	MD
12787	1736	96	dissolve	dissolve	VB
12787	1736	97	.	.	.
12787	1737	1	It	-PRON-	PRP
12787	1737	2	should	should	MD
12787	1737	3	be	be	VB
12787	1737	4	borne	bear	VBN
12787	1737	5	in	in	IN
12787	1737	6	mind	mind	NN
12787	1737	7	that	that	IN
12787	1737	8	the	the	DT
12787	1737	9	quantity	quantity	NN
12787	1737	10	of	of	IN
12787	1737	11	barium	barium	NN
12787	1737	12	sulphate	sulphate	NN
12787	1737	13	in	in	IN
12787	1737	14	this	this	DT
12787	1737	15	!	!	.
12787	1737	16	saturated	saturate	VBN
12787	1737	17	solution	solution	NN
12787	1737	18	is	be	VBZ
12787	1737	19	a	a	DT
12787	1737	20	constant	constant	JJ
12787	1737	21	quantity	quantity	NN
12787	1737	22	!	!	.
12787	1738	1	for	for	IN
12787	1738	2	the	the	DT
12787	1738	3	existing	exist	VBG
12787	1738	4	conditions	condition	NNS
12787	1738	5	.	.	.
12787	1739	1	The	the	DT
12787	1739	2	dissolved	dissolved	JJ
12787	1739	3	barium	barium	NN
12787	1739	4	sulphate	sulphate	NN
12787	1739	5	,	,	,
12787	1739	6	like	like	IN
12787	1739	7	any	any	DT
12787	1739	8	electrolyte	electrolyte	NNP
12787	1739	9	,	,	,
12787	1739	10	is	be	VBZ
12787	1739	11	dissociated	dissociate	VBN
12787	1739	12	,	,	,
12787	1739	13	and	and	CC
12787	1739	14	the	the	DT
12787	1739	15	equilibrium	equilibrium	NN
12787	1739	16	conditions	condition	NNS
12787	1739	17	may	may	MD
12787	1739	18	be	be	VB
12787	1739	19	expressed	express	VBN
12787	1739	20	thus	thus	RB
12787	1739	21	:	:	:
12787	1739	22	(	(	-LRB-
12787	1739	23	!	!	.
12787	1739	24	Conc'n	Conc'n	NNP
12787	1739	25	Ba^{++	Ba^{++	NNP
12787	1739	26	}	}	-RRB-
12787	1739	27	x	x	SYM
12787	1739	28	Conc'n	Conc'n	NNP
12787	1739	29	SO_{4}^{--})/(Conc'n	so_{4}^{--})/(conc'n	VBP
12787	1739	30	BaSO_{4	BaSO_{4	NNP
12787	1739	31	}	}	-RRB-
12787	1739	32	)	)	-RRB-
12787	1739	33	=	=	NFP
12787	1739	34	Const	Const	NNP
12787	1739	35	.	.	.
12787	1740	1	!	!	.
12787	1740	2	,	,	,
12787	1740	3	and	and	CC
12787	1740	4	since	since	IN
12787	1740	5	!	!	.
12787	1740	6	Conc'n	Conc'n	NNP
12787	1740	7	BaSO_{4	BaSO_{4	NNP
12787	1740	8	}	}	-RRB-
12787	1740	9	!	!	.
12787	1741	1	for	for	IN
12787	1741	2	the	the	DT
12787	1741	3	saturated	saturate	VBN
12787	1741	4	solution	solution	NN
12787	1741	5	has	have	VBZ
12787	1741	6	a	a	DT
12787	1741	7	constant	constant	JJ
12787	1741	8	value	value	NN
12787	1741	9	(	(	-LRB-
12787	1741	10	which	which	WDT
12787	1741	11	is	be	VBZ
12787	1741	12	very	very	RB
12787	1741	13	small	small	JJ
12787	1741	14	)	)	-RRB-
12787	1741	15	,	,	,
12787	1741	16	it	-PRON-	PRP
12787	1741	17	may	may	MD
12787	1741	18	be	be	VB
12787	1741	19	eliminated	eliminate	VBN
12787	1741	20	,	,	,
12787	1741	21	when	when	WRB
12787	1741	22	the	the	DT
12787	1741	23	expression	expression	NN
12787	1741	24	becomes	become	VBZ
12787	1741	25	!	!	.
12787	1741	26	Conc'n	Conc'n	NNP
12787	1741	27	Ba^{++	Ba^{++	NNP
12787	1741	28	}	}	-RRB-
12787	1741	29	x	x	SYM
12787	1741	30	Conc'n	Conc'n	NNP
12787	1741	31	SO_{4}^{--	SO_{4}^{--	NNP
12787	1741	32	}	}	-RRB-
12787	1741	33	=	=	-RRB-
12787	1741	34	Const	Const	NNP
12787	1741	35	.	.	.
12787	1742	1	!	!	NFP
12787	1742	2	,	,	,
12787	1742	3	which	which	WDT
12787	1742	4	is	be	VBZ
12787	1742	5	the	the	DT
12787	1742	6	"	"	``
12787	1742	7	solubility	solubility	NN
12787	1742	8	product	product	NN
12787	1742	9	"	"	''
12787	1742	10	of	of	IN
12787	1742	11	BaSO_{4	BaSO_{4	NNP
12787	1742	12	}	}	-RRB-
12787	1742	13	.	.	.
12787	1743	1	If	if	IN
12787	1743	2	,	,	,
12787	1743	3	now	now	RB
12787	1743	4	,	,	,
12787	1743	5	an	an	DT
12787	1743	6	excess	excess	NN
12787	1743	7	of	of	IN
12787	1743	8	the	the	DT
12787	1743	9	precipitant	precipitant	NN
12787	1743	10	,	,	,
12787	1743	11	a	a	DT
12787	1743	12	soluble	soluble	JJ
12787	1743	13	barium	barium	NN
12787	1743	14	salt	salt	NN
12787	1743	15	,	,	,
12787	1743	16	is	be	VBZ
12787	1743	17	added	add	VBN
12787	1743	18	in	in	IN
12787	1743	19	the	the	DT
12787	1743	20	form	form	NN
12787	1743	21	of	of	IN
12787	1743	22	a	a	DT
12787	1743	23	relatively	relatively	RB
12787	1743	24	concentrated	concentrated	JJ
12787	1743	25	solution	solution	NN
12787	1743	26	(	(	-LRB-
12787	1743	27	the	the	DT
12787	1743	28	slight	slight	JJ
12787	1743	29	change	change	NN
12787	1743	30	of	of	IN
12787	1743	31	volume	volume	NN
12787	1743	32	of	of	IN
12787	1743	33	a	a	DT
12787	1743	34	few	few	JJ
12787	1743	35	cubic	cubic	JJ
12787	1743	36	centimeters	centimeter	NNS
12787	1743	37	may	may	MD
12787	1743	38	be	be	VB
12787	1743	39	disregarded	disregard	VBN
12787	1743	40	for	for	IN
12787	1743	41	the	the	DT
12787	1743	42	present	present	JJ
12787	1743	43	discussion	discussion	NN
12787	1743	44	)	)	-RRB-
12787	1743	45	the	the	DT
12787	1743	46	concentration	concentration	NN
12787	1743	47	of	of	IN
12787	1743	48	the	the	DT
12787	1743	49	Ba^{++	Ba^{++	NNP
12787	1743	50	}	}	-RRB-
12787	1743	51	ions	ion	NNS
12787	1743	52	is	be	VBZ
12787	1743	53	much	much	RB
12787	1743	54	increased	increase	VBN
12787	1743	55	,	,	,
12787	1743	56	and	and	CC
12787	1743	57	as	as	IN
12787	1743	58	a	a	DT
12787	1743	59	consequence	consequence	NN
12787	1743	60	the	the	DT
12787	1743	61	!	!	.
12787	1743	62	Conc'n	Conc'n	NNP
12787	1743	63	SO_{4	SO_{4	NNP
12787	1743	64	}	}	-RRB-
12787	1743	65	!	!	.
12787	1744	1	must	must	MD
12787	1744	2	decrease	decrease	VB
12787	1744	3	in	in	IN
12787	1744	4	proportion	proportion	NN
12787	1744	5	if	if	IN
12787	1744	6	the	the	DT
12787	1744	7	value	value	NN
12787	1744	8	of	of	IN
12787	1744	9	the	the	DT
12787	1744	10	expression	expression	NN
12787	1744	11	is	be	VBZ
12787	1744	12	to	to	TO
12787	1744	13	remain	remain	VB
12787	1744	14	constant	constant	JJ
12787	1744	15	,	,	,
12787	1744	16	which	which	WDT
12787	1744	17	is	be	VBZ
12787	1744	18	a	a	DT
12787	1744	19	requisite	requisite	JJ
12787	1744	20	condition	condition	NN
12787	1744	21	if	if	IN
12787	1744	22	the	the	DT
12787	1744	23	law	law	NN
12787	1744	24	of	of	IN
12787	1744	25	mass	mass	JJ
12787	1744	26	action	action	NN
12787	1744	27	upon	upon	IN
12787	1744	28	which	which	WDT
12787	1744	29	our	-PRON-	PRP$
12787	1744	30	argument	argument	NN
12787	1744	31	depends	depend	VBZ
12787	1744	32	holds	hold	VBZ
12787	1744	33	true	true	JJ
12787	1744	34	.	.	.
12787	1745	1	In	in	IN
12787	1745	2	other	other	JJ
12787	1745	3	words	word	NNS
12787	1745	4	,	,	,
12787	1745	5	SO_{4}^{--	so_{4}^{--	NN
12787	1745	6	}	}	-RRB-
12787	1745	7	ions	ion	NNS
12787	1745	8	must	must	MD
12787	1745	9	combine	combine	VB
12787	1745	10	with	with	IN
12787	1745	11	some	some	DT
12787	1745	12	of	of	IN
12787	1745	13	the	the	DT
12787	1745	14	added	add	VBN
12787	1745	15	Ba^{++	Ba^{++	NNS
12787	1745	16	}	}	-RRB-
12787	1745	17	ions	ion	NNS
12787	1745	18	to	to	TO
12787	1745	19	form	form	VB
12787	1745	20	[	[	-LRB-
12787	1745	21	BaSO_{4	BaSO_{4	NNP
12787	1745	22	}	}	-RRB-
12787	1745	23	]	]	-RRB-
12787	1745	24	;	;	:
12787	1745	25	but	but	CC
12787	1745	26	it	-PRON-	PRP
12787	1745	27	will	will	MD
12787	1745	28	be	be	VB
12787	1745	29	recalled	recall	VBN
12787	1745	30	that	that	IN
12787	1745	31	the	the	DT
12787	1745	32	solution	solution	NN
12787	1745	33	is	be	VBZ
12787	1745	34	already	already	RB
12787	1745	35	saturated	saturate	VBN
12787	1745	36	with	with	IN
12787	1745	37	BaSO_{4	BaSO_{4	NNP
12787	1745	38	}	}	-RRB-
12787	1745	39	,	,	,
12787	1745	40	and	and	CC
12787	1745	41	this	this	DT
12787	1745	42	freshly	freshly	RB
12787	1745	43	formed	form	VBN
12787	1745	44	quantity	quantity	NN
12787	1745	45	must	must	MD
12787	1745	46	,	,	,
12787	1745	47	therefore	therefore	RB
12787	1745	48	,	,	,
12787	1745	49	separate	separate	JJ
12787	1745	50	and	and	CC
12787	1745	51	add	add	VB
12787	1745	52	itself	-PRON-	PRP
12787	1745	53	to	to	IN
12787	1745	54	the	the	DT
12787	1745	55	precipitate	precipitate	NN
12787	1745	56	.	.	.
12787	1746	1	This	this	DT
12787	1746	2	is	be	VBZ
12787	1746	3	exactly	exactly	RB
12787	1746	4	what	what	WP
12787	1746	5	is	be	VBZ
12787	1746	6	desired	desire	VBN
12787	1746	7	in	in	IN
12787	1746	8	order	order	NN
12787	1746	9	to	to	TO
12787	1746	10	insure	insure	VB
12787	1746	11	more	more	RBR
12787	1746	12	complete	complete	JJ
12787	1746	13	precipitation	precipitation	NN
12787	1746	14	and	and	CC
12787	1746	15	greater	great	JJR
12787	1746	16	accuracy	accuracy	NN
12787	1746	17	,	,	,
12787	1746	18	and	and	CC
12787	1746	19	leads	lead	VBZ
12787	1746	20	to	to	IN
12787	1746	21	the	the	DT
12787	1746	22	conclusion	conclusion	NN
12787	1746	23	that	that	IN
12787	1746	24	the	the	DT
12787	1746	25	larger	large	JJR
12787	1746	26	the	the	DT
12787	1746	27	excess	excess	NN
12787	1746	28	of	of	IN
12787	1746	29	the	the	DT
12787	1746	30	precipitant	precipitant	NN
12787	1746	31	added	add	VBD
12787	1746	32	the	the	DT
12787	1746	33	more	more	RBR
12787	1746	34	successful	successful	JJ
12787	1746	35	the	the	DT
12787	1746	36	analysis	analysis	NN
12787	1746	37	;	;	:
12787	1746	38	but	but	CC
12787	1746	39	a	a	DT
12787	1746	40	practical	practical	JJ
12787	1746	41	limit	limit	NN
12787	1746	42	is	be	VBZ
12787	1746	43	placed	place	VBN
12787	1746	44	upon	upon	IN
12787	1746	45	the	the	DT
12787	1746	46	quantity	quantity	NN
12787	1746	47	of	of	IN
12787	1746	48	the	the	DT
12787	1746	49	precipitant	precipitant	NN
12787	1746	50	which	which	WDT
12787	1746	51	may	may	MD
12787	1746	52	be	be	VB
12787	1746	53	properly	properly	RB
12787	1746	54	added	add	VBN
12787	1746	55	by	by	IN
12787	1746	56	other	other	JJ
12787	1746	57	conditions	condition	NNS
12787	1746	58	,	,	,
12787	1746	59	as	as	IN
12787	1746	60	stated	state	VBN
12787	1746	61	in	in	IN
12787	1746	62	the	the	DT
12787	1746	63	following	following	JJ
12787	1746	64	note	note	NN
12787	1746	65	.	.	.
12787	1746	66	]	]	-RRB-
12787	1747	1	[	[	-LRB-
12787	1747	2	Note	note	NN
12787	1747	3	3	3	CD
12787	1747	4	:	:	:
12787	1747	5	Barium	barium	NN
12787	1747	6	sulphate	sulphate	NN
12787	1747	7	,	,	,
12787	1747	8	in	in	IN
12787	1747	9	a	a	DT
12787	1747	10	larger	large	JJR
12787	1747	11	measure	measure	NN
12787	1747	12	than	than	IN
12787	1747	13	most	most	JJS
12787	1747	14	compounds	compound	NNS
12787	1747	15	,	,	,
12787	1747	16	tends	tend	VBZ
12787	1747	17	to	to	TO
12787	1747	18	carry	carry	VB
12787	1747	19	down	down	RP
12787	1747	20	other	other	JJ
12787	1747	21	substances	substance	NNS
12787	1747	22	which	which	WDT
12787	1747	23	are	be	VBP
12787	1747	24	present	present	JJ
12787	1747	25	in	in	IN
12787	1747	26	the	the	DT
12787	1747	27	solution	solution	NN
12787	1747	28	from	from	IN
12787	1747	29	which	which	WDT
12787	1747	30	it	-PRON-	PRP
12787	1747	31	separates	separate	VBZ
12787	1747	32	,	,	,
12787	1747	33	even	even	RB
12787	1747	34	when	when	WRB
12787	1747	35	these	these	DT
12787	1747	36	other	other	JJ
12787	1747	37	substances	substance	NNS
12787	1747	38	are	be	VBP
12787	1747	39	relatively	relatively	RB
12787	1747	40	soluble	soluble	JJ
12787	1747	41	,	,	,
12787	1747	42	and	and	CC
12787	1747	43	including	include	VBG
12787	1747	44	the	the	DT
12787	1747	45	barium	barium	NN
12787	1747	46	chloride	chloride	NN
12787	1747	47	used	use	VBN
12787	1747	48	as	as	IN
12787	1747	49	the	the	DT
12787	1747	50	precipitant	precipitant	NN
12787	1747	51	.	.	.
12787	1748	1	This	this	DT
12787	1748	2	is	be	VBZ
12787	1748	3	also	also	RB
12787	1748	4	notably	notably	RB
12787	1748	5	true	true	JJ
12787	1748	6	in	in	IN
12787	1748	7	the	the	DT
12787	1748	8	case	case	NN
12787	1748	9	of	of	IN
12787	1748	10	nitrates	nitrate	NNS
12787	1748	11	and	and	CC
12787	1748	12	chlorates	chlorate	NNS
12787	1748	13	of	of	IN
12787	1748	14	the	the	DT
12787	1748	15	alkalies	alkali	NNS
12787	1748	16	,	,	,
12787	1748	17	and	and	CC
12787	1748	18	of	of	IN
12787	1748	19	ferric	ferric	JJ
12787	1748	20	compounds	compound	NNS
12787	1748	21	;	;	,
12787	1748	22	and	and	CC
12787	1748	23	,	,	,
12787	1748	24	since	since	IN
12787	1748	25	in	in	IN
12787	1748	26	this	this	DT
12787	1748	27	analysis	analysis	NN
12787	1748	28	ammonium	ammonium	NN
12787	1748	29	nitrate	nitrate	NN
12787	1748	30	has	have	VBZ
12787	1748	31	resulted	result	VBN
12787	1748	32	from	from	IN
12787	1748	33	the	the	DT
12787	1748	34	neutralization	neutralization	NN
12787	1748	35	of	of	IN
12787	1748	36	the	the	DT
12787	1748	37	excess	excess	NN
12787	1748	38	of	of	IN
12787	1748	39	the	the	DT
12787	1748	40	nitric	nitric	JJ
12787	1748	41	acid	acid	NN
12787	1748	42	added	add	VBN
12787	1748	43	to	to	TO
12787	1748	44	oxidize	oxidize	VB
12787	1748	45	the	the	DT
12787	1748	46	iron	iron	NN
12787	1748	47	,	,	,
12787	1748	48	it	-PRON-	PRP
12787	1748	49	is	be	VBZ
12787	1748	50	essential	essential	JJ
12787	1748	51	that	that	IN
12787	1748	52	this	this	DT
12787	1748	53	should	should	MD
12787	1748	54	be	be	VB
12787	1748	55	destroyed	destroy	VBN
12787	1748	56	by	by	IN
12787	1748	57	repeated	repeat	VBN
12787	1748	58	evaporation	evaporation	NN
12787	1748	59	with	with	IN
12787	1748	60	a	a	DT
12787	1748	61	relatively	relatively	RB
12787	1748	62	large	large	JJ
12787	1748	63	quantity	quantity	NN
12787	1748	64	of	of	IN
12787	1748	65	hydrochloric	hydrochloric	JJ
12787	1748	66	acid	acid	NN
12787	1748	67	.	.	.
12787	1749	1	During	during	IN
12787	1749	2	evaporation	evaporation	NN
12787	1749	3	a	a	DT
12787	1749	4	mutual	mutual	JJ
12787	1749	5	decomposition	decomposition	NN
12787	1749	6	of	of	IN
12787	1749	7	the	the	DT
12787	1749	8	two	two	CD
12787	1749	9	acids	acid	NNS
12787	1749	10	takes	take	VBZ
12787	1749	11	place	place	NN
12787	1749	12	,	,	,
12787	1749	13	and	and	CC
12787	1749	14	the	the	DT
12787	1749	15	nitric	nitric	JJ
12787	1749	16	acid	acid	NN
12787	1749	17	is	be	VBZ
12787	1749	18	finally	finally	RB
12787	1749	19	decomposed	decompose	VBN
12787	1749	20	and	and	CC
12787	1749	21	expelled	expel	VBN
12787	1749	22	by	by	IN
12787	1749	23	the	the	DT
12787	1749	24	excess	excess	NN
12787	1749	25	of	of	IN
12787	1749	26	hydrochloric	hydrochloric	JJ
12787	1749	27	acid	acid	NN
12787	1749	28	.	.	.
12787	1750	1	Iron	iron	NN
12787	1750	2	is	be	VBZ
12787	1750	3	usually	usually	RB
12787	1750	4	found	find	VBN
12787	1750	5	in	in	IN
12787	1750	6	the	the	DT
12787	1750	7	precipitate	precipitate	NN
12787	1750	8	of	of	IN
12787	1750	9	barium	barium	NN
12787	1750	10	sulphate	sulphate	NN
12787	1750	11	when	when	WRB
12787	1750	12	thrown	throw	VBN
12787	1750	13	down	down	RP
12787	1750	14	from	from	IN
12787	1750	15	hot	hot	JJ
12787	1750	16	solutions	solution	NNS
12787	1750	17	in	in	IN
12787	1750	18	the	the	DT
12787	1750	19	presence	presence	NN
12787	1750	20	of	of	IN
12787	1750	21	ferric	ferric	JJ
12787	1750	22	salts	salt	NNS
12787	1750	23	.	.	.
12787	1751	1	This	this	DT
12787	1751	2	,	,	,
12787	1751	3	according	accord	VBG
12787	1751	4	to	to	IN
12787	1751	5	Kuster	Kuster	NNP
12787	1751	6	and	and	CC
12787	1751	7	Thiel	Thiel	NNP
12787	1751	8	(	(	-LRB-
12787	1751	9	!	!	.
12787	1751	10	Zeit	Zeit	NNP
12787	1751	11	.	.	.
12787	1752	1	anorg	anorg	NNP
12787	1752	2	.	.	.
12787	1753	1	Chem	Chem	NNP
12787	1753	2	.	.	.
12787	1754	1	!	!	.
12787	1754	2	,	,	,
12787	1754	3	22	22	CD
12787	1754	4	,	,	,
12787	1754	5	424	424	CD
12787	1754	6	)	)	-RRB-
12787	1754	7	,	,	,
12787	1754	8	is	be	VBZ
12787	1754	9	due	due	JJ
12787	1754	10	to	to	IN
12787	1754	11	the	the	DT
12787	1754	12	formation	formation	NN
12787	1754	13	of	of	IN
12787	1754	14	a	a	DT
12787	1754	15	complex	complex	JJ
12787	1754	16	ion	ion	NN
12787	1754	17	(	(	-LRB-
12787	1754	18	Fe(SO_{4})_{2	Fe(SO_{4})_{2	NNP
12787	1754	19	}	}	-RRB-
12787	1754	20	)	)	-RRB-
12787	1754	21	which	which	WDT
12787	1754	22	precipitates	precipitate	VBZ
12787	1754	23	with	with	IN
12787	1754	24	the	the	DT
12787	1754	25	Ba^{++	Ba^{++	NNP
12787	1754	26	}	}	-RRB-
12787	1754	27	ion	ion	NN
12787	1754	28	,	,	,
12787	1754	29	while	while	IN
12787	1754	30	Richards	Richards	NNP
12787	1754	31	(	(	-LRB-
12787	1754	32	!	!	.
12787	1754	33	Zeit	Zeit	NNP
12787	1754	34	.	.	.
12787	1755	1	anorg	anorg	NNP
12787	1755	2	.	.	.
12787	1756	1	Chem	Chem	NNP
12787	1756	2	.	.	.
12787	1757	1	!	!	.
12787	1757	2	,	,	,
12787	1757	3	23	23	CD
12787	1757	4	,	,	,
12787	1757	5	383	383	CD
12787	1757	6	)	)	-RRB-
12787	1757	7	ascribes	ascribe	VBZ
12787	1757	8	it	-PRON-	PRP
12787	1757	9	to	to	IN
12787	1757	10	hydrolytic	hydrolytic	JJ
12787	1757	11	action	action	NN
12787	1757	12	,	,	,
12787	1757	13	which	which	WDT
12787	1757	14	causes	cause	VBZ
12787	1757	15	the	the	DT
12787	1757	16	formation	formation	NN
12787	1757	17	of	of	IN
12787	1757	18	a	a	DT
12787	1757	19	basic	basic	JJ
12787	1757	20	ferric	ferric	JJ
12787	1757	21	complex	complex	NN
12787	1757	22	which	which	WDT
12787	1757	23	is	be	VBZ
12787	1757	24	occluded	occlude	VBN
12787	1757	25	in	in	IN
12787	1757	26	the	the	DT
12787	1757	27	barium	barium	NN
12787	1757	28	precipitate	precipitate	NN
12787	1757	29	.	.	.
12787	1758	1	Whatever	whatever	WDT
12787	1758	2	the	the	DT
12787	1758	3	character	character	NN
12787	1758	4	of	of	IN
12787	1758	5	the	the	DT
12787	1758	6	compound	compound	NN
12787	1758	7	may	may	MD
12787	1758	8	be	be	VB
12787	1758	9	,	,	,
12787	1758	10	it	-PRON-	PRP
12787	1758	11	has	have	VBZ
12787	1758	12	been	be	VBN
12787	1758	13	shown	show	VBN
12787	1758	14	that	that	IN
12787	1758	15	it	-PRON-	PRP
12787	1758	16	loses	lose	VBZ
12787	1758	17	sulphuric	sulphuric	JJ
12787	1758	18	anhydride	anhydride	NN
12787	1758	19	upon	upon	IN
12787	1758	20	ignition	ignition	NN
12787	1758	21	,	,	,
12787	1758	22	causing	cause	VBG
12787	1758	23	low	low	JJ
12787	1758	24	results	result	NNS
12787	1758	25	,	,	,
12787	1758	26	even	even	RB
12787	1758	27	though	though	IN
12787	1758	28	the	the	DT
12787	1758	29	precipitate	precipitate	NN
12787	1758	30	contains	contain	VBZ
12787	1758	31	iron	iron	NN
12787	1758	32	.	.	.
12787	1759	1	The	the	DT
12787	1759	2	contamination	contamination	NN
12787	1759	3	of	of	IN
12787	1759	4	the	the	DT
12787	1759	5	barium	barium	NN
12787	1759	6	sulphate	sulphate	NN
12787	1759	7	by	by	IN
12787	1759	8	iron	iron	NN
12787	1759	9	is	be	VBZ
12787	1759	10	much	much	RB
12787	1759	11	less	less	JJR
12787	1759	12	in	in	IN
12787	1759	13	the	the	DT
12787	1759	14	presence	presence	NN
12787	1759	15	of	of	IN
12787	1759	16	ferrous	ferrous	JJ
12787	1759	17	than	than	IN
12787	1759	18	ferric	ferric	JJ
12787	1759	19	salts	salt	NNS
12787	1759	20	.	.	.
12787	1760	1	If	if	IN
12787	1760	2	,	,	,
12787	1760	3	therefore	therefore	RB
12787	1760	4	,	,	,
12787	1760	5	the	the	DT
12787	1760	6	sulphur	sulphur	NN
12787	1760	7	alone	alone	RB
12787	1760	8	were	be	VBD
12787	1760	9	to	to	TO
12787	1760	10	be	be	VB
12787	1760	11	determined	determine	VBN
12787	1760	12	in	in	IN
12787	1760	13	the	the	DT
12787	1760	14	ferrous	ferrous	JJ
12787	1760	15	ammonium	ammonium	NN
12787	1760	16	sulphate	sulphate	NN
12787	1760	17	,	,	,
12787	1760	18	the	the	DT
12787	1760	19	precipitation	precipitation	NN
12787	1760	20	by	by	IN
12787	1760	21	barium	barium	NN
12787	1760	22	might	may	MD
12787	1760	23	be	be	VB
12787	1760	24	made	make	VBN
12787	1760	25	directly	directly	RB
12787	1760	26	from	from	IN
12787	1760	27	an	an	DT
12787	1760	28	aqueous	aqueous	JJ
12787	1760	29	solution	solution	NN
12787	1760	30	of	of	IN
12787	1760	31	the	the	DT
12787	1760	32	salt	salt	NN
12787	1760	33	,	,	,
12787	1760	34	which	which	WDT
12787	1760	35	had	have	VBD
12787	1760	36	been	be	VBN
12787	1760	37	made	make	VBN
12787	1760	38	slightly	slightly	RB
12787	1760	39	acid	acid	JJ
12787	1760	40	with	with	IN
12787	1760	41	hydrochloric	hydrochloric	JJ
12787	1760	42	acid	acid	NN
12787	1760	43	.	.	.
12787	1760	44	]	]	-RRB-
12787	1761	1	[	[	-LRB-
12787	1761	2	Note	note	NN
12787	1761	3	4	4	CD
12787	1761	4	:	:	:
12787	1761	5	The	the	DT
12787	1761	6	precipitation	precipitation	NN
12787	1761	7	of	of	IN
12787	1761	8	the	the	DT
12787	1761	9	barium	barium	NN
12787	1761	10	sulphate	sulphate	NN
12787	1761	11	is	be	VBZ
12787	1761	12	probably	probably	RB
12787	1761	13	complete	complete	JJ
12787	1761	14	at	at	IN
12787	1761	15	the	the	DT
12787	1761	16	end	end	NN
12787	1761	17	of	of	IN
12787	1761	18	a	a	DT
12787	1761	19	half	half	JJ
12787	1761	20	-	-	HYPH
12787	1761	21	hour	hour	NN
12787	1761	22	,	,	,
12787	1761	23	and	and	CC
12787	1761	24	the	the	DT
12787	1761	25	solution	solution	NN
12787	1761	26	may	may	MD
12787	1761	27	safely	safely	RB
12787	1761	28	be	be	VB
12787	1761	29	filtered	filter	VBN
12787	1761	30	at	at	IN
12787	1761	31	the	the	DT
12787	1761	32	expiration	expiration	NN
12787	1761	33	of	of	IN
12787	1761	34	that	that	DT
12787	1761	35	time	time	NN
12787	1761	36	if	if	IN
12787	1761	37	it	-PRON-	PRP
12787	1761	38	is	be	VBZ
12787	1761	39	desired	desire	VBN
12787	1761	40	to	to	TO
12787	1761	41	hasten	hasten	VB
12787	1761	42	the	the	DT
12787	1761	43	analysis	analysis	NN
12787	1761	44	.	.	.
12787	1762	1	As	as	IN
12787	1762	2	already	already	RB
12787	1762	3	noted	note	VBN
12787	1762	4	,	,	,
12787	1762	5	many	many	JJ
12787	1762	6	precipitates	precipitate	NNS
12787	1762	7	of	of	IN
12787	1762	8	the	the	DT
12787	1762	9	general	general	JJ
12787	1762	10	character	character	NN
12787	1762	11	of	of	IN
12787	1762	12	this	this	DT
12787	1762	13	sulphate	sulphate	NN
12787	1762	14	tend	tend	VB
12787	1762	15	to	to	TO
12787	1762	16	grow	grow	VB
12787	1762	17	more	more	RBR
12787	1762	18	coarsely	coarsely	RB
12787	1762	19	granular	granular	JJ
12787	1762	20	if	if	IN
12787	1762	21	digested	digest	VBN
12787	1762	22	for	for	IN
12787	1762	23	some	some	DT
12787	1762	24	time	time	NN
12787	1762	25	with	with	IN
12787	1762	26	the	the	DT
12787	1762	27	liquid	liquid	NN
12787	1762	28	from	from	IN
12787	1762	29	which	which	WDT
12787	1762	30	they	-PRON-	PRP
12787	1762	31	have	have	VBP
12787	1762	32	separated	separate	VBN
12787	1762	33	.	.	.
12787	1763	1	It	-PRON-	PRP
12787	1763	2	is	be	VBZ
12787	1763	3	therefore	therefore	RB
12787	1763	4	well	well	RB
12787	1763	5	to	to	TO
12787	1763	6	allow	allow	VB
12787	1763	7	the	the	DT
12787	1763	8	precipitate	precipitate	NN
12787	1763	9	to	to	TO
12787	1763	10	stand	stand	VB
12787	1763	11	in	in	IN
12787	1763	12	a	a	DT
12787	1763	13	warm	warm	JJ
12787	1763	14	place	place	NN
12787	1763	15	for	for	IN
12787	1763	16	several	several	JJ
12787	1763	17	hours	hour	NNS
12787	1763	18	,	,	,
12787	1763	19	if	if	IN
12787	1763	20	practicable	practicable	JJ
12787	1763	21	,	,	,
12787	1763	22	to	to	TO
12787	1763	23	promote	promote	VB
12787	1763	24	ease	ease	NN
12787	1763	25	of	of	IN
12787	1763	26	filtration	filtration	NN
12787	1763	27	.	.	.
12787	1764	1	The	the	DT
12787	1764	2	filtrate	filtrate	JJ
12787	1764	3	and	and	CC
12787	1764	4	washings	washing	NNS
12787	1764	5	should	should	MD
12787	1764	6	always	always	RB
12787	1764	7	be	be	VB
12787	1764	8	carefully	carefully	RB
12787	1764	9	examined	examine	VBN
12787	1764	10	for	for	IN
12787	1764	11	minute	minute	JJ
12787	1764	12	quantities	quantity	NNS
12787	1764	13	of	of	IN
12787	1764	14	the	the	DT
12787	1764	15	sulphate	sulphate	NN
12787	1764	16	which	which	WDT
12787	1764	17	may	may	MD
12787	1764	18	pass	pass	VB
12787	1764	19	through	through	IN
12787	1764	20	the	the	DT
12787	1764	21	pores	pore	NNS
12787	1764	22	of	of	IN
12787	1764	23	the	the	DT
12787	1764	24	filter	filter	NN
12787	1764	25	.	.	.
12787	1765	1	This	this	DT
12787	1765	2	is	be	VBZ
12787	1765	3	best	well	RBS
12787	1765	4	accomplished	accomplish	VBN
12787	1765	5	by	by	IN
12787	1765	6	imparting	impart	VBG
12787	1765	7	to	to	IN
12787	1765	8	the	the	DT
12787	1765	9	filtrate	filtrate	JJ
12787	1765	10	a	a	DT
12787	1765	11	gentle	gentle	JJ
12787	1765	12	rotary	rotary	JJ
12787	1765	13	motion	motion	NN
12787	1765	14	,	,	,
12787	1765	15	when	when	WRB
12787	1765	16	the	the	DT
12787	1765	17	sulphate	sulphate	NN
12787	1765	18	,	,	,
12787	1765	19	if	if	IN
12787	1765	20	present	present	JJ
12787	1765	21	,	,	,
12787	1765	22	will	will	MD
12787	1765	23	collect	collect	VB
12787	1765	24	at	at	IN
12787	1765	25	the	the	DT
12787	1765	26	center	center	NN
12787	1765	27	of	of	IN
12787	1765	28	the	the	DT
12787	1765	29	bottom	bottom	NN
12787	1765	30	of	of	IN
12787	1765	31	the	the	DT
12787	1765	32	beaker	beaker	NN
12787	1765	33	.	.	.
12787	1765	34	]	]	-RRB-
12787	1766	1	[	[	-LRB-
12787	1766	2	Note	note	NN
12787	1766	3	5	5	CD
12787	1766	4	:	:	:
12787	1766	5	A	a	DT
12787	1766	6	reduction	reduction	NN
12787	1766	7	of	of	IN
12787	1766	8	barium	barium	NN
12787	1766	9	sulphate	sulphate	NN
12787	1766	10	to	to	IN
12787	1766	11	the	the	DT
12787	1766	12	sulphide	sulphide	NN
12787	1766	13	may	may	MD
12787	1766	14	very	very	RB
12787	1766	15	readily	readily	RB
12787	1766	16	be	be	VB
12787	1766	17	caused	cause	VBN
12787	1766	18	by	by	IN
12787	1766	19	the	the	DT
12787	1766	20	reducing	reduce	VBG
12787	1766	21	action	action	NN
12787	1766	22	of	of	IN
12787	1766	23	the	the	DT
12787	1766	24	burning	burn	VBG
12787	1766	25	carbon	carbon	NN
12787	1766	26	of	of	IN
12787	1766	27	the	the	DT
12787	1766	28	filter	filter	NN
12787	1766	29	,	,	,
12787	1766	30	and	and	CC
12787	1766	31	much	much	JJ
12787	1766	32	care	care	NN
12787	1766	33	should	should	MD
12787	1766	34	be	be	VB
12787	1766	35	taken	take	VBN
12787	1766	36	to	to	TO
12787	1766	37	prevent	prevent	VB
12787	1766	38	any	any	DT
12787	1766	39	considerable	considerable	JJ
12787	1766	40	reduction	reduction	NN
12787	1766	41	from	from	IN
12787	1766	42	this	this	DT
12787	1766	43	cause	cause	NN
12787	1766	44	.	.	.
12787	1767	1	Subsequent	subsequent	JJ
12787	1767	2	ignition	ignition	NN
12787	1767	3	,	,	,
12787	1767	4	with	with	IN
12787	1767	5	ready	ready	JJ
12787	1767	6	access	access	NN
12787	1767	7	of	of	IN
12787	1767	8	air	air	NN
12787	1767	9	,	,	,
12787	1767	10	reconverts	reconvert	VBZ
12787	1767	11	the	the	DT
12787	1767	12	sulphide	sulphide	NN
12787	1767	13	to	to	TO
12787	1767	14	sulphate	sulphate	VB
12787	1767	15	unless	unless	IN
12787	1767	16	a	a	DT
12787	1767	17	considerable	considerable	JJ
12787	1767	18	reduction	reduction	NN
12787	1767	19	has	have	VBZ
12787	1767	20	occurred	occur	VBN
12787	1767	21	.	.	.
12787	1768	1	In	in	IN
12787	1768	2	the	the	DT
12787	1768	3	latter	latter	JJ
12787	1768	4	case	case	NN
12787	1768	5	it	-PRON-	PRP
12787	1768	6	is	be	VBZ
12787	1768	7	expedient	expedient	NN
12787	1768	8	to	to	TO
12787	1768	9	add	add	VB
12787	1768	10	one	one	CD
12787	1768	11	or	or	CC
12787	1768	12	two	two	CD
12787	1768	13	drops	drop	NNS
12787	1768	14	of	of	IN
12787	1768	15	sulphuric	sulphuric	JJ
12787	1768	16	acid	acid	NN
12787	1768	17	and	and	CC
12787	1768	18	to	to	TO
12787	1768	19	heat	heat	VB
12787	1768	20	cautiously	cautiously	RB
12787	1768	21	until	until	IN
12787	1768	22	the	the	DT
12787	1768	23	excess	excess	NN
12787	1768	24	of	of	IN
12787	1768	25	acid	acid	NN
12787	1768	26	is	be	VBZ
12787	1768	27	expelled	expel	VBN
12787	1768	28	.	.	.
12787	1768	29	]	]	-RRB-
12787	1769	1	[	[	-LRB-
12787	1769	2	Note	note	NN
12787	1769	3	6	6	CD
12787	1769	4	:	:	:
12787	1769	5	Barium	barium	NN
12787	1769	6	sulphate	sulphate	NN
12787	1769	7	requires	require	VBZ
12787	1769	8	about	about	RB
12787	1769	9	400,000	400,000	CD
12787	1769	10	parts	part	NNS
12787	1769	11	of	of	IN
12787	1769	12	water	water	NN
12787	1769	13	for	for	IN
12787	1769	14	its	-PRON-	PRP$
12787	1769	15	solution	solution	NN
12787	1769	16	.	.	.
12787	1770	1	It	-PRON-	PRP
12787	1770	2	is	be	VBZ
12787	1770	3	not	not	RB
12787	1770	4	decomposed	decompose	VBN
12787	1770	5	at	at	IN
12787	1770	6	a	a	DT
12787	1770	7	red	red	JJ
12787	1770	8	heat	heat	NN
12787	1770	9	but	but	CC
12787	1770	10	suffers	suffer	VBZ
12787	1770	11	loss	loss	NN
12787	1770	12	,	,	,
12787	1770	13	probably	probably	RB
12787	1770	14	of	of	IN
12787	1770	15	sulphur	sulphur	NN
12787	1770	16	trioxide	trioxide	VBD
12787	1770	17	,	,	,
12787	1770	18	at	at	IN
12787	1770	19	a	a	DT
12787	1770	20	temperature	temperature	NN
12787	1770	21	above	above	IN
12787	1770	22	900Â	900Â	NNP
12787	1770	23	°	°	,
12787	1770	24	C	C	NNP
12787	1770	25	.	.	.
12787	1770	26	]	]	-RRB-
12787	1771	1	DETERMINATION	determination	NN
12787	1771	2	OF	of	IN
12787	1771	3	SULPHUR	SULPHUR	NNP
12787	1771	4	IN	in	IN
12787	1771	5	BARIUM	BARIUM	NNP
12787	1771	6	SULPHATE	SULPHATE	NNP
12787	1771	7	PROCEDURE.--Weigh	procedure.--weigh	RB
12787	1771	8	out	out	RP
12787	1771	9	,	,	,
12787	1771	10	into	into	IN
12787	1771	11	platinum	platinum	NN
12787	1771	12	crucibles	crucible	NNS
12787	1771	13	,	,	,
12787	1771	14	two	two	CD
12787	1771	15	portions	portion	NNS
12787	1771	16	of	of	IN
12787	1771	17	about	about	RB
12787	1771	18	0.5	0.5	CD
12787	1771	19	gram	gram	NN
12787	1771	20	of	of	IN
12787	1771	21	the	the	DT
12787	1771	22	sulphate	sulphate	NN
12787	1771	23	.	.	.
12787	1772	1	Mix	mix	VB
12787	1772	2	each	each	DT
12787	1772	3	in	in	IN
12787	1772	4	the	the	DT
12787	1772	5	crucible	crucible	NN
12787	1772	6	with	with	IN
12787	1772	7	five	five	CD
12787	1772	8	to	to	TO
12787	1772	9	six	six	CD
12787	1772	10	times	time	NNS
12787	1772	11	its	-PRON-	PRP$
12787	1772	12	weight	weight	NN
12787	1772	13	of	of	IN
12787	1772	14	anhydrous	anhydrous	JJ
12787	1772	15	sodium	sodium	NN
12787	1772	16	carbonate	carbonate	NN
12787	1772	17	.	.	.
12787	1773	1	This	this	DT
12787	1773	2	can	can	MD
12787	1773	3	best	well	RBS
12787	1773	4	be	be	VB
12787	1773	5	done	do	VBN
12787	1773	6	by	by	IN
12787	1773	7	placing	place	VBG
12787	1773	8	the	the	DT
12787	1773	9	crucible	crucible	NN
12787	1773	10	on	on	IN
12787	1773	11	a	a	DT
12787	1773	12	piece	piece	NN
12787	1773	13	of	of	IN
12787	1773	14	glazed	glaze	VBN
12787	1773	15	paper	paper	NN
12787	1773	16	and	and	CC
12787	1773	17	stirring	stir	VBG
12787	1773	18	the	the	DT
12787	1773	19	mixture	mixture	NN
12787	1773	20	with	with	IN
12787	1773	21	a	a	DT
12787	1773	22	clean	clean	JJ
12787	1773	23	,	,	,
12787	1773	24	dry	dry	JJ
12787	1773	25	stirring	stirring	NN
12787	1773	26	-	-	HYPH
12787	1773	27	rod	rod	NN
12787	1773	28	,	,	,
12787	1773	29	which	which	WDT
12787	1773	30	may	may	MD
12787	1773	31	finally	finally	RB
12787	1773	32	be	be	VB
12787	1773	33	wiped	wipe	VBN
12787	1773	34	off	off	RP
12787	1773	35	with	with	IN
12787	1773	36	a	a	DT
12787	1773	37	small	small	JJ
12787	1773	38	fragment	fragment	NN
12787	1773	39	of	of	IN
12787	1773	40	filter	filter	NN
12787	1773	41	paper	paper	NN
12787	1773	42	,	,	,
12787	1773	43	the	the	DT
12787	1773	44	latter	latter	JJ
12787	1773	45	being	be	VBG
12787	1773	46	placed	place	VBN
12787	1773	47	in	in	IN
12787	1773	48	the	the	DT
12787	1773	49	crucible	crucible	NN
12787	1773	50	.	.	.
12787	1774	1	Cover	cover	VB
12787	1774	2	the	the	DT
12787	1774	3	crucible	crucible	JJ
12787	1774	4	and	and	CC
12787	1774	5	heat	heat	VBP
12787	1774	6	until	until	IN
12787	1774	7	a	a	DT
12787	1774	8	quiet	quiet	JJ
12787	1774	9	,	,	,
12787	1774	10	liquid	liquid	JJ
12787	1774	11	fusion	fusion	NN
12787	1774	12	ensues	ensue	NNS
12787	1774	13	.	.	.
12787	1775	1	Remove	remove	VB
12787	1775	2	the	the	DT
12787	1775	3	burner	burner	NN
12787	1775	4	,	,	,
12787	1775	5	and	and	CC
12787	1775	6	tip	tip	VB
12787	1775	7	the	the	DT
12787	1775	8	crucible	crucible	NN
12787	1775	9	until	until	IN
12787	1775	10	the	the	DT
12787	1775	11	fused	fuse	VBN
12787	1775	12	mass	mass	NN
12787	1775	13	flows	flow	VBZ
12787	1775	14	nearly	nearly	RB
12787	1775	15	to	to	IN
12787	1775	16	its	-PRON-	PRP$
12787	1775	17	mouth	mouth	NN
12787	1775	18	.	.	.
12787	1776	1	Hold	hold	VB
12787	1776	2	it	-PRON-	PRP
12787	1776	3	in	in	IN
12787	1776	4	that	that	DT
12787	1776	5	position	position	NN
12787	1776	6	until	until	IN
12787	1776	7	the	the	DT
12787	1776	8	mass	mass	NN
12787	1776	9	has	have	VBZ
12787	1776	10	solidified	solidify	VBN
12787	1776	11	.	.	.
12787	1777	1	When	when	WRB
12787	1777	2	cold	cold	JJ
12787	1777	3	,	,	,
12787	1777	4	the	the	DT
12787	1777	5	material	material	NN
12787	1777	6	may	may	MD
12787	1777	7	usually	usually	RB
12787	1777	8	be	be	VB
12787	1777	9	detached	detach	VBN
12787	1777	10	in	in	IN
12787	1777	11	a	a	DT
12787	1777	12	lump	lump	NN
12787	1777	13	by	by	IN
12787	1777	14	tapping	tap	VBG
12787	1777	15	the	the	DT
12787	1777	16	crucible	crucible	JJ
12787	1777	17	or	or	CC
12787	1777	18	gently	gently	RB
12787	1777	19	pressing	press	VBG
12787	1777	20	it	-PRON-	PRP
12787	1777	21	near	near	IN
12787	1777	22	its	-PRON-	PRP$
12787	1777	23	upper	upper	JJ
12787	1777	24	edge	edge	NN
12787	1777	25	.	.	.
12787	1778	1	If	if	IN
12787	1778	2	it	-PRON-	PRP
12787	1778	3	still	still	RB
12787	1778	4	adheres	adhere	VBZ
12787	1778	5	,	,	,
12787	1778	6	a	a	DT
12787	1778	7	cubic	cubic	JJ
12787	1778	8	centimeter	centimeter	NN
12787	1778	9	or	or	CC
12787	1778	10	so	so	RB
12787	1778	11	of	of	IN
12787	1778	12	water	water	NN
12787	1778	13	may	may	MD
12787	1778	14	be	be	VB
12787	1778	15	placed	place	VBN
12787	1778	16	in	in	IN
12787	1778	17	the	the	DT
12787	1778	18	cold	cold	JJ
12787	1778	19	crucible	crucible	JJ
12787	1778	20	and	and	CC
12787	1778	21	cautiously	cautiously	RB
12787	1778	22	brought	bring	VBD
12787	1778	23	to	to	IN
12787	1778	24	boiling	boiling	NN
12787	1778	25	,	,	,
12787	1778	26	when	when	WRB
12787	1778	27	the	the	DT
12787	1778	28	cake	cake	NN
12787	1778	29	will	will	MD
12787	1778	30	become	become	VB
12787	1778	31	loosened	loosened	JJ
12787	1778	32	and	and	CC
12787	1778	33	may	may	MD
12787	1778	34	be	be	VB
12787	1778	35	removed	remove	VBN
12787	1778	36	and	and	CC
12787	1778	37	placed	place	VBN
12787	1778	38	in	in	IN
12787	1778	39	about	about	RB
12787	1778	40	250	250	CD
12787	1778	41	cc	cc	NN
12787	1778	42	.	.	.
12787	1779	1	of	of	IN
12787	1779	2	hot	hot	JJ
12787	1779	3	,	,	,
12787	1779	4	distilled	distilled	JJ
12787	1779	5	water	water	NN
12787	1779	6	to	to	TO
12787	1779	7	dissolve	dissolve	VB
12787	1779	8	.	.	.
12787	1780	1	Clean	clean	VB
12787	1780	2	the	the	DT
12787	1780	3	crucible	crucible	NN
12787	1780	4	completely	completely	RB
12787	1780	5	,	,	,
12787	1780	6	rubbing	rub	VBG
12787	1780	7	the	the	DT
12787	1780	8	sides	side	NNS
12787	1780	9	with	with	IN
12787	1780	10	a	a	DT
12787	1780	11	rubber	rubber	NN
12787	1780	12	-	-	HYPH
12787	1780	13	covered	cover	VBN
12787	1780	14	stirring	stirring	NN
12787	1780	15	-	-	HYPH
12787	1780	16	rod	rod	NN
12787	1780	17	,	,	,
12787	1780	18	if	if	IN
12787	1780	19	need	need	NN
12787	1780	20	be	be	VB
12787	1780	21	.	.	.
12787	1781	1	When	when	WRB
12787	1781	2	the	the	DT
12787	1781	3	fused	fuse	VBN
12787	1781	4	mass	mass	NN
12787	1781	5	has	have	VBZ
12787	1781	6	completely	completely	RB
12787	1781	7	disintegrated	disintegrate	VBN
12787	1781	8	and	and	CC
12787	1781	9	nothing	nothing	NN
12787	1781	10	further	further	RB
12787	1781	11	will	will	MD
12787	1781	12	dissolve	dissolve	VB
12787	1781	13	,	,	,
12787	1781	14	decant	decant	VB
12787	1781	15	the	the	DT
12787	1781	16	solution	solution	NN
12787	1781	17	from	from	IN
12787	1781	18	the	the	DT
12787	1781	19	residue	residue	NN
12787	1781	20	of	of	IN
12787	1781	21	barium	barium	NN
12787	1781	22	carbonate	carbonate	NN
12787	1781	23	(	(	-LRB-
12787	1781	24	Note	note	NN
12787	1781	25	1	1	CD
12787	1781	26	)	)	-RRB-
12787	1781	27	.	.	.
12787	1782	1	Pour	pour	VB
12787	1782	2	over	over	IN
12787	1782	3	the	the	DT
12787	1782	4	residue	residue	JJ
12787	1782	5	20	20	CD
12787	1782	6	cc	cc	NN
12787	1782	7	.	.	.
12787	1783	1	of	of	IN
12787	1783	2	a	a	DT
12787	1783	3	solution	solution	NN
12787	1783	4	of	of	IN
12787	1783	5	sodium	sodium	NN
12787	1783	6	carbonate	carbonate	NN
12787	1783	7	and	and	CC
12787	1783	8	10	10	CD
12787	1783	9	cc	cc	NN
12787	1783	10	.	.	.
12787	1784	1	of	of	IN
12787	1784	2	water	water	NN
12787	1784	3	and	and	CC
12787	1784	4	heat	heat	NN
12787	1784	5	to	to	TO
12787	1784	6	gentle	gentle	JJ
12787	1784	7	boiling	boil	VBG
12787	1784	8	for	for	IN
12787	1784	9	about	about	RB
12787	1784	10	three	three	CD
12787	1784	11	minutes	minute	NNS
12787	1784	12	(	(	-LRB-
12787	1784	13	Note	note	NN
12787	1784	14	2	2	CD
12787	1784	15	)	)	-RRB-
12787	1784	16	.	.	.
12787	1785	1	Filter	filter	VB
12787	1785	2	off	off	RP
12787	1785	3	the	the	DT
12787	1785	4	carbonate	carbonate	NN
12787	1785	5	and	and	CC
12787	1785	6	wash	wash	VB
12787	1785	7	it	-PRON-	PRP
12787	1785	8	with	with	IN
12787	1785	9	hot	hot	JJ
12787	1785	10	water	water	NN
12787	1785	11	,	,	,
12787	1785	12	testing	test	VBG
12787	1785	13	the	the	DT
12787	1785	14	slightly	slightly	RB
12787	1785	15	acidified	acidify	VBN
12787	1785	16	washings	washing	NNS
12787	1785	17	for	for	IN
12787	1785	18	sulphate	sulphate	NN
12787	1785	19	and	and	CC
12787	1785	20	preserving	preserve	VBG
12787	1785	21	any	any	DT
12787	1785	22	precipitates	precipitate	NNS
12787	1785	23	which	which	WDT
12787	1785	24	appear	appear	VBP
12787	1785	25	in	in	IN
12787	1785	26	these	these	DT
12787	1785	27	tests	test	NNS
12787	1785	28	.	.	.
12787	1786	1	Acidify	acidify	RB
12787	1786	2	the	the	DT
12787	1786	3	filtrate	filtrate	JJ
12787	1786	4	with	with	IN
12787	1786	5	hydrochloric	hydrochloric	JJ
12787	1786	6	acid	acid	NN
12787	1786	7	until	until	IN
12787	1786	8	just	just	RB
12787	1786	9	acid	acid	NN
12787	1786	10	,	,	,
12787	1786	11	bring	bring	VBP
12787	1786	12	to	to	IN
12787	1786	13	boiling	boiling	NN
12787	1786	14	,	,	,
12787	1786	15	and	and	CC
12787	1786	16	slowly	slowly	RB
12787	1786	17	add	add	VB
12787	1786	18	hot	hot	JJ
12787	1786	19	barium	barium	NN
12787	1786	20	chloride	chloride	NN
12787	1786	21	solution	solution	NN
12787	1786	22	,	,	,
12787	1786	23	as	as	IN
12787	1786	24	in	in	IN
12787	1786	25	the	the	DT
12787	1786	26	preceding	precede	VBG
12787	1786	27	determination	determination	NN
12787	1786	28	.	.	.
12787	1787	1	Add	add	VB
12787	1787	2	also	also	RB
12787	1787	3	any	any	DT
12787	1787	4	tests	test	NNS
12787	1787	5	from	from	IN
12787	1787	6	the	the	DT
12787	1787	7	washings	washing	NNS
12787	1787	8	in	in	IN
12787	1787	9	which	which	WDT
12787	1787	10	precipitates	precipitate	NNS
12787	1787	11	have	have	VBP
12787	1787	12	appeared	appear	VBN
12787	1787	13	.	.	.
12787	1788	1	Filter	Filter	NNP
12787	1788	2	,	,	,
12787	1788	3	wash	wash	NN
12787	1788	4	,	,	,
12787	1788	5	ignite	ignite	VBP
12787	1788	6	,	,	,
12787	1788	7	and	and	CC
12787	1788	8	weigh	weigh	NN
12787	1788	9	.	.	.
12787	1789	1	From	from	IN
12787	1789	2	the	the	DT
12787	1789	3	weight	weight	NN
12787	1789	4	of	of	IN
12787	1789	5	barium	barium	NN
12787	1789	6	sulphate	sulphate	NN
12787	1789	7	,	,	,
12787	1789	8	calculate	calculate	VB
12787	1789	9	the	the	DT
12787	1789	10	percentage	percentage	NN
12787	1789	11	of	of	IN
12787	1789	12	sulphur	sulphur	NNP
12787	1789	13	(	(	-LRB-
12787	1789	14	S	S	NNP
12787	1789	15	)	)	-RRB-
12787	1789	16	in	in	IN
12787	1789	17	the	the	DT
12787	1789	18	sample	sample	NN
12787	1789	19	.	.	.
12787	1790	1	[	[	-LRB-
12787	1790	2	Note	note	NN
12787	1790	3	1	1	CD
12787	1790	4	:	:	:
12787	1790	5	This	this	DT
12787	1790	6	alkaline	alkaline	NN
12787	1790	7	fusion	fusion	NN
12787	1790	8	is	be	VBZ
12787	1790	9	much	much	RB
12787	1790	10	employed	employ	VBN
12787	1790	11	to	to	TO
12787	1790	12	disintegrate	disintegrate	VB
12787	1790	13	substances	substance	NNS
12787	1790	14	ordinarily	ordinarily	RB
12787	1790	15	insoluble	insoluble	JJ
12787	1790	16	in	in	IN
12787	1790	17	acids	acid	NNS
12787	1790	18	into	into	IN
12787	1790	19	two	two	CD
12787	1790	20	components	component	NNS
12787	1790	21	,	,	,
12787	1790	22	one	one	CD
12787	1790	23	of	of	IN
12787	1790	24	which	which	WDT
12787	1790	25	is	be	VBZ
12787	1790	26	water	water	NN
12787	1790	27	soluble	soluble	JJ
12787	1790	28	and	and	CC
12787	1790	29	the	the	DT
12787	1790	30	other	other	JJ
12787	1790	31	acid	acid	NN
12787	1790	32	soluble	soluble	JJ
12787	1790	33	.	.	.
12787	1791	1	The	the	DT
12787	1791	2	reaction	reaction	NN
12787	1791	3	involved	involve	VBN
12787	1791	4	is	be	VBZ
12787	1791	5	:	:	:
12787	1791	6	BaSO_{4	BaSO_{4	NNP
12787	1791	7	}	}	-RRB-
12787	1791	8	+	+	NNP
12787	1791	9	Na_{2}CO_{3	Na_{2}CO_{3	NNP
12787	1791	10	}	}	-RRB-
12787	1791	11	,	,	,
12787	1791	12	--	--	:
12787	1791	13	>	>	XX
12787	1791	14	BaCO_{3	BaCO_{3	NNP
12787	1791	15	}	}	-RRB-
12787	1791	16	,	,	,
12787	1791	17	+	+	CC
12787	1791	18	Na_{2}SO_{4	na_{2}so_{4	CD
12787	1791	19	}	}	-RRB-
12787	1791	20	.	.	.
12787	1792	1	As	as	IN
12787	1792	2	the	the	DT
12787	1792	3	sodium	sodium	NN
12787	1792	4	sulphate	sulphate	NN
12787	1792	5	is	be	VBZ
12787	1792	6	soluble	soluble	JJ
12787	1792	7	in	in	IN
12787	1792	8	water	water	NN
12787	1792	9	,	,	,
12787	1792	10	and	and	CC
12787	1792	11	the	the	DT
12787	1792	12	barium	barium	NN
12787	1792	13	carbonate	carbonate	NN
12787	1792	14	insoluble	insoluble	NN
12787	1792	15	,	,	,
12787	1792	16	a	a	DT
12787	1792	17	separation	separation	NN
12787	1792	18	between	between	IN
12787	1792	19	them	-PRON-	PRP
12787	1792	20	is	be	VBZ
12787	1792	21	possible	possible	JJ
12787	1792	22	and	and	CC
12787	1792	23	the	the	DT
12787	1792	24	sulphur	sulphur	NN
12787	1792	25	can	can	MD
12787	1792	26	be	be	VB
12787	1792	27	determined	determine	VBN
12787	1792	28	in	in	IN
12787	1792	29	the	the	DT
12787	1792	30	water	water	NN
12787	1792	31	-	-	HYPH
12787	1792	32	soluble	soluble	JJ
12787	1792	33	portion	portion	NN
12787	1792	34	.	.	.
12787	1793	1	It	-PRON-	PRP
12787	1793	2	should	should	MD
12787	1793	3	be	be	VB
12787	1793	4	noted	note	VBN
12787	1793	5	that	that	IN
12787	1793	6	this	this	DT
12787	1793	7	method	method	NN
12787	1793	8	can	can	MD
12787	1793	9	be	be	VB
12787	1793	10	applied	apply	VBN
12787	1793	11	to	to	IN
12787	1793	12	the	the	DT
12787	1793	13	purification	purification	NN
12787	1793	14	of	of	IN
12787	1793	15	a	a	DT
12787	1793	16	precipitate	precipitate	NN
12787	1793	17	of	of	IN
12787	1793	18	barium	barium	NN
12787	1793	19	sulphate	sulphate	NN
12787	1793	20	if	if	IN
12787	1793	21	contaminated	contaminate	VBN
12787	1793	22	by	by	IN
12787	1793	23	most	most	JJS
12787	1793	24	of	of	IN
12787	1793	25	the	the	DT
12787	1793	26	substances	substance	NNS
12787	1793	27	mentioned	mention	VBN
12787	1793	28	in	in	IN
12787	1793	29	Note	note	NN
12787	1793	30	3	3	CD
12787	1793	31	on	on	IN
12787	1793	32	page	page	NN
12787	1793	33	114	114	CD
12787	1793	34	.	.	.
12787	1794	1	The	the	DT
12787	1794	2	impurities	impurity	NNS
12787	1794	3	pass	pass	VBP
12787	1794	4	into	into	IN
12787	1794	5	the	the	DT
12787	1794	6	water	water	NN
12787	1794	7	solution	solution	NN
12787	1794	8	together	together	RB
12787	1794	9	with	with	IN
12787	1794	10	the	the	DT
12787	1794	11	sodium	sodium	NN
12787	1794	12	sulphate	sulphate	NN
12787	1794	13	,	,	,
12787	1794	14	but	but	CC
12787	1794	15	,	,	,
12787	1794	16	being	be	VBG
12787	1794	17	present	present	JJ
12787	1794	18	in	in	IN
12787	1794	19	such	such	JJ
12787	1794	20	minute	minute	JJ
12787	1794	21	amounts	amount	NNS
12787	1794	22	,	,	,
12787	1794	23	do	do	VBP
12787	1794	24	not	not	RB
12787	1794	25	again	again	RB
12787	1794	26	precipitate	precipitate	VB
12787	1794	27	with	with	IN
12787	1794	28	the	the	DT
12787	1794	29	barium	barium	NN
12787	1794	30	sulphate	sulphate	NN
12787	1794	31	.	.	.
12787	1794	32	]	]	-RRB-
12787	1795	1	[	[	-LRB-
12787	1795	2	Note	note	NN
12787	1795	3	2	2	CD
12787	1795	4	:	:	:
12787	1795	5	The	the	DT
12787	1795	6	barium	barium	NN
12787	1795	7	carbonate	carbonate	NN
12787	1795	8	is	be	VBZ
12787	1795	9	boiled	boil	VBN
12787	1795	10	with	with	IN
12787	1795	11	sodium	sodium	NN
12787	1795	12	carbonate	carbonate	NN
12787	1795	13	solution	solution	NN
12787	1795	14	before	before	IN
12787	1795	15	filtration	filtration	NN
12787	1795	16	because	because	IN
12787	1795	17	the	the	DT
12787	1795	18	reaction	reaction	NN
12787	1795	19	above	above	RB
12787	1795	20	is	be	VBZ
12787	1795	21	reversible	reversible	JJ
12787	1795	22	;	;	:
12787	1795	23	and	and	CC
12787	1795	24	it	-PRON-	PRP
12787	1795	25	is	be	VBZ
12787	1795	26	only	only	RB
12787	1795	27	by	by	IN
12787	1795	28	keeping	keep	VBG
12787	1795	29	the	the	DT
12787	1795	30	sodium	sodium	NN
12787	1795	31	carbonate	carbonate	NN
12787	1795	32	present	present	NN
12787	1795	33	in	in	IN
12787	1795	34	excess	excess	NN
12787	1795	35	until	until	IN
12787	1795	36	nearly	nearly	RB
12787	1795	37	all	all	DT
12787	1795	38	of	of	IN
12787	1795	39	the	the	DT
12787	1795	40	sodium	sodium	NN
12787	1795	41	sulphate	sulphate	NN
12787	1795	42	solution	solution	NN
12787	1795	43	has	have	VBZ
12787	1795	44	been	be	VBN
12787	1795	45	removed	remove	VBN
12787	1795	46	by	by	IN
12787	1795	47	filtration	filtration	NN
12787	1795	48	that	that	IN
12787	1795	49	the	the	DT
12787	1795	50	reversion	reversion	NN
12787	1795	51	of	of	IN
12787	1795	52	some	some	DT
12787	1795	53	of	of	IN
12787	1795	54	the	the	DT
12787	1795	55	barium	barium	NN
12787	1795	56	carbonate	carbonate	NN
12787	1795	57	to	to	IN
12787	1795	58	barium	barium	NN
12787	1795	59	sulphate	sulphate	NN
12787	1795	60	is	be	VBZ
12787	1795	61	prevented	prevent	VBN
12787	1795	62	.	.	.
12787	1796	1	This	this	DT
12787	1796	2	is	be	VBZ
12787	1796	3	an	an	DT
12787	1796	4	application	application	NN
12787	1796	5	of	of	IN
12787	1796	6	the	the	DT
12787	1796	7	principle	principle	NN
12787	1796	8	of	of	IN
12787	1796	9	mass	mass	NN
12787	1796	10	action	action	NN
12787	1796	11	,	,	,
12787	1796	12	in	in	IN
12787	1796	13	which	which	WDT
12787	1796	14	the	the	DT
12787	1796	15	concentration	concentration	NN
12787	1796	16	of	of	IN
12787	1796	17	the	the	DT
12787	1796	18	reagent	reagent	NN
12787	1796	19	(	(	-LRB-
12787	1796	20	the	the	DT
12787	1796	21	carbonate	carbonate	NN
12787	1796	22	ion	ion	NN
12787	1796	23	)	)	-RRB-
12787	1796	24	is	be	VBZ
12787	1796	25	kept	keep	VBN
12787	1796	26	as	as	RB
12787	1796	27	high	high	JJ
12787	1796	28	as	as	IN
12787	1796	29	practicable	practicable	JJ
12787	1796	30	and	and	CC
12787	1796	31	that	that	DT
12787	1796	32	of	of	IN
12787	1796	33	the	the	DT
12787	1796	34	sulphate	sulphate	NN
12787	1796	35	ion	ion	NN
12787	1796	36	as	as	RB
12787	1796	37	low	low	JJ
12787	1796	38	as	as	IN
12787	1796	39	possible	possible	JJ
12787	1796	40	,	,	,
12787	1796	41	in	in	IN
12787	1796	42	order	order	NN
12787	1796	43	to	to	TO
12787	1796	44	force	force	VB
12787	1796	45	the	the	DT
12787	1796	46	reaction	reaction	NN
12787	1796	47	in	in	IN
12787	1796	48	the	the	DT
12787	1796	49	desired	desire	VBN
12787	1796	50	direction	direction	NN
12787	1796	51	(	(	-LRB-
12787	1796	52	see	see	VB
12787	1796	53	Appendix	Appendix	NNP
12787	1796	54	)	)	-RRB-
12787	1796	55	.	.	.
12787	1796	56	]	]	-RRB-
12787	1797	1	DETERMINATION	DETERMINATION	NNP
12787	1797	2	OF	of	IN
12787	1797	3	PHOSPHORIC	PHOSPHORIC	NNP
12787	1797	4	ANHYDRIDE	ANHYDRIDE	NNS
12787	1797	5	IN	in	IN
12787	1797	6	APATITE	apatite	NN
12787	1797	7	The	the	DT
12787	1797	8	mineral	mineral	NN
12787	1797	9	apatite	apatite	NN
12787	1797	10	is	be	VBZ
12787	1797	11	composed	compose	VBN
12787	1797	12	of	of	IN
12787	1797	13	calcium	calcium	NN
12787	1797	14	phosphate	phosphate	NN
12787	1797	15	,	,	,
12787	1797	16	associated	associate	VBN
12787	1797	17	with	with	IN
12787	1797	18	calcium	calcium	NN
12787	1797	19	chloride	chloride	NN
12787	1797	20	,	,	,
12787	1797	21	or	or	CC
12787	1797	22	fluoride	fluoride	NN
12787	1797	23	.	.	.
12787	1798	1	Specimens	specimen	NNS
12787	1798	2	are	be	VBP
12787	1798	3	easily	easily	RB
12787	1798	4	obtainable	obtainable	JJ
12787	1798	5	which	which	WDT
12787	1798	6	are	be	VBP
12787	1798	7	nearly	nearly	RB
12787	1798	8	pure	pure	JJ
12787	1798	9	and	and	CC
12787	1798	10	leave	leave	VBP
12787	1798	11	on	on	IN
12787	1798	12	treatment	treatment	NN
12787	1798	13	with	with	IN
12787	1798	14	acid	acid	NN
12787	1798	15	only	only	RB
12787	1798	16	a	a	DT
12787	1798	17	slight	slight	JJ
12787	1798	18	siliceous	siliceous	JJ
12787	1798	19	residue	residue	NN
12787	1798	20	.	.	.
12787	1799	1	For	for	IN
12787	1799	2	the	the	DT
12787	1799	3	purpose	purpose	NN
12787	1799	4	of	of	IN
12787	1799	5	gravimetric	gravimetric	JJ
12787	1799	6	determination	determination	NN
12787	1799	7	,	,	,
12787	1799	8	phosphoric	phosphoric	NN
12787	1799	9	acid	acid	NN
12787	1799	10	is	be	VBZ
12787	1799	11	usually	usually	RB
12787	1799	12	precipitated	precipitate	VBN
12787	1799	13	from	from	IN
12787	1799	14	ammoniacal	ammoniacal	JJ
12787	1799	15	solutions	solution	NNS
12787	1799	16	in	in	IN
12787	1799	17	the	the	DT
12787	1799	18	form	form	NN
12787	1799	19	of	of	IN
12787	1799	20	magnesium	magnesium	NN
12787	1799	21	ammonium	ammonium	NN
12787	1799	22	phosphate	phosphate	NN
12787	1799	23	which	which	WDT
12787	1799	24	,	,	,
12787	1799	25	on	on	IN
12787	1799	26	ignition	ignition	NN
12787	1799	27	,	,	,
12787	1799	28	is	be	VBZ
12787	1799	29	converted	convert	VBN
12787	1799	30	into	into	IN
12787	1799	31	magnesium	magnesium	NN
12787	1799	32	pyrophosphate	pyrophosphate	NN
12787	1799	33	.	.	.
12787	1800	1	Since	since	IN
12787	1800	2	the	the	DT
12787	1800	3	calcium	calcium	NN
12787	1800	4	phosphate	phosphate	NN
12787	1800	5	of	of	IN
12787	1800	6	the	the	DT
12787	1800	7	apatite	apatite	NN
12787	1800	8	is	be	VBZ
12787	1800	9	also	also	RB
12787	1800	10	insoluble	insoluble	JJ
12787	1800	11	in	in	IN
12787	1800	12	ammoniacal	ammoniacal	JJ
12787	1800	13	solutions	solution	NNS
12787	1800	14	,	,	,
12787	1800	15	this	this	DT
12787	1800	16	procedure	procedure	NN
12787	1800	17	can	can	MD
12787	1800	18	not	not	RB
12787	1800	19	be	be	VB
12787	1800	20	applied	apply	VBN
12787	1800	21	directly	directly	RB
12787	1800	22	.	.	.
12787	1801	1	The	the	DT
12787	1801	2	separation	separation	NN
12787	1801	3	of	of	IN
12787	1801	4	the	the	DT
12787	1801	5	phosphoric	phosphoric	NN
12787	1801	6	acid	acid	NN
12787	1801	7	from	from	IN
12787	1801	8	the	the	DT
12787	1801	9	calcium	calcium	NN
12787	1801	10	must	must	MD
12787	1801	11	first	first	RB
12787	1801	12	be	be	VB
12787	1801	13	accomplished	accomplish	VBN
12787	1801	14	by	by	IN
12787	1801	15	precipitation	precipitation	NN
12787	1801	16	in	in	IN
12787	1801	17	the	the	DT
12787	1801	18	form	form	NN
12787	1801	19	of	of	IN
12787	1801	20	ammonium	ammonium	NN
12787	1801	21	phosphomolybdate	phosphomolybdate	NN
12787	1801	22	in	in	IN
12787	1801	23	nitric	nitric	JJ
12787	1801	24	acid	acid	NN
12787	1801	25	solution	solution	NN
12787	1801	26	,	,	,
12787	1801	27	using	use	VBG
12787	1801	28	ammonium	ammonium	NN
12787	1801	29	molybdate	molybdate	NN
12787	1801	30	as	as	IN
12787	1801	31	the	the	DT
12787	1801	32	precipitant	precipitant	NN
12787	1801	33	.	.	.
12787	1802	1	The	the	DT
12787	1802	2	"	"	``
12787	1802	3	yellow	yellow	JJ
12787	1802	4	precipitate	precipitate	NN
12787	1802	5	,	,	,
12787	1802	6	"	"	''
12787	1802	7	as	as	IN
12787	1802	8	it	-PRON-	PRP
12787	1802	9	is	be	VBZ
12787	1802	10	often	often	RB
12787	1802	11	called	call	VBN
12787	1802	12	,	,	,
12787	1802	13	is	be	VBZ
12787	1802	14	not	not	RB
12787	1802	15	always	always	RB
12787	1802	16	of	of	IN
12787	1802	17	a	a	DT
12787	1802	18	definite	definite	JJ
12787	1802	19	composition	composition	NN
12787	1802	20	,	,	,
12787	1802	21	and	and	CC
12787	1802	22	therefore	therefore	RB
12787	1802	23	not	not	RB
12787	1802	24	suitable	suitable	JJ
12787	1802	25	for	for	IN
12787	1802	26	direct	direct	JJ
12787	1802	27	weighing	weighing	NN
12787	1802	28	,	,	,
12787	1802	29	but	but	CC
12787	1802	30	may	may	MD
12787	1802	31	be	be	VB
12787	1802	32	dissolved	dissolve	VBN
12787	1802	33	in	in	IN
12787	1802	34	ammonia	ammonia	NNP
12787	1802	35	,	,	,
12787	1802	36	and	and	CC
12787	1802	37	the	the	DT
12787	1802	38	phosphoric	phosphoric	NN
12787	1802	39	acid	acid	NN
12787	1802	40	thrown	throw	VBN
12787	1802	41	out	out	RP
12787	1802	42	as	as	IN
12787	1802	43	magnesium	magnesium	NN
12787	1802	44	ammonium	ammonium	NN
12787	1802	45	phosphate	phosphate	NN
12787	1802	46	from	from	IN
12787	1802	47	the	the	DT
12787	1802	48	solution	solution	NN
12787	1802	49	.	.	.
12787	1803	1	Of	of	IN
12787	1803	2	the	the	DT
12787	1803	3	substances	substance	NNS
12787	1803	4	likely	likely	JJ
12787	1803	5	to	to	TO
12787	1803	6	occur	occur	VB
12787	1803	7	in	in	IN
12787	1803	8	apatite	apatite	NNP
12787	1803	9	,	,	,
12787	1803	10	silicic	silicic	NN
12787	1803	11	acid	acid	NNP
12787	1803	12	alone	alone	RB
12787	1803	13	interferes	interfere	VBZ
12787	1803	14	with	with	IN
12787	1803	15	the	the	DT
12787	1803	16	precipitation	precipitation	NN
12787	1803	17	of	of	IN
12787	1803	18	the	the	DT
12787	1803	19	phosphoric	phosphoric	NN
12787	1803	20	acid	acid	NN
12787	1803	21	in	in	IN
12787	1803	22	nitric	nitric	JJ
12787	1803	23	acid	acid	NN
12787	1803	24	solution	solution	NN
12787	1803	25	.	.	.
12787	1804	1	PRECIPITATION	precipitation	NN
12787	1804	2	OF	of	IN
12787	1804	3	AMMONIUM	AMMONIUM	NNP
12787	1804	4	PHOSPHOMOLYBDATE	PHOSPHOMOLYBDATE	NNP
12787	1804	5	PROCEDURE.--Grind	PROCEDURE.--Grind	NNP
12787	1804	6	the	the	DT
12787	1804	7	mineral	mineral	NN
12787	1804	8	in	in	IN
12787	1804	9	an	an	DT
12787	1804	10	agate	agate	JJ
12787	1804	11	mortar	mortar	NN
12787	1804	12	until	until	IN
12787	1804	13	no	no	DT
12787	1804	14	grit	grit	NN
12787	1804	15	is	be	VBZ
12787	1804	16	perceptible	perceptible	JJ
12787	1804	17	.	.	.
12787	1805	1	Transfer	transfer	VB
12787	1805	2	the	the	DT
12787	1805	3	substance	substance	NN
12787	1805	4	to	to	IN
12787	1805	5	a	a	DT
12787	1805	6	weighing	weigh	VBG
12787	1805	7	-	-	HYPH
12787	1805	8	tube	tube	NN
12787	1805	9	,	,	,
12787	1805	10	and	and	CC
12787	1805	11	weigh	weigh	VB
12787	1805	12	out	out	RP
12787	1805	13	two	two	CD
12787	1805	14	portions	portion	NNS
12787	1805	15	,	,	,
12787	1805	16	not	not	RB
12787	1805	17	exceeding	exceed	VBG
12787	1805	18	0.20	0.20	CD
12787	1805	19	gram	gram	NN
12787	1805	20	each	each	DT
12787	1805	21	(	(	-LRB-
12787	1805	22	Note	note	NN
12787	1805	23	1	1	CD
12787	1805	24	)	)	-RRB-
12787	1805	25	into	into	IN
12787	1805	26	two	two	CD
12787	1805	27	beakers	beaker	NNS
12787	1805	28	of	of	IN
12787	1805	29	about	about	RB
12787	1805	30	200	200	CD
12787	1805	31	cc	cc	NN
12787	1805	32	.	.	.
12787	1806	1	capacity	capacity	NN
12787	1806	2	.	.	.
12787	1807	1	Pour	pour	VB
12787	1807	2	over	over	IN
12787	1807	3	them	-PRON-	PRP
12787	1807	4	20	20	CD
12787	1807	5	cc	cc	NN
12787	1807	6	.	.	.
12787	1808	1	of	of	IN
12787	1808	2	dilute	dilute	NNP
12787	1808	3	nitric	nitric	NNP
12787	1808	4	acid	acid	NNP
12787	1808	5	(	(	-LRB-
12787	1808	6	sp	sp	NNP
12787	1808	7	.	.	.
12787	1809	1	gr	gr	NNP
12787	1809	2	.	.	.
12787	1810	1	1.2	1.2	LS
12787	1810	2	)	)	-RRB-
12787	1810	3	and	and	CC
12787	1810	4	warm	warm	VB
12787	1810	5	gently	gently	RB
12787	1810	6	until	until	IN
12787	1810	7	solvent	solvent	NN
12787	1810	8	action	action	NN
12787	1810	9	has	have	VBZ
12787	1810	10	apparently	apparently	RB
12787	1810	11	ceased	cease	VBN
12787	1810	12	.	.	.
12787	1811	1	Evaporate	evaporate	VB
12787	1811	2	the	the	DT
12787	1811	3	solution	solution	NN
12787	1811	4	cautiously	cautiously	RB
12787	1811	5	to	to	IN
12787	1811	6	dryness	dryness	NN
12787	1811	7	,	,	,
12787	1811	8	heat	heat	VB
12787	1811	9	the	the	DT
12787	1811	10	residue	residue	NN
12787	1811	11	for	for	IN
12787	1811	12	about	about	RB
12787	1811	13	an	an	DT
12787	1811	14	hour	hour	NN
12787	1811	15	at	at	IN
12787	1811	16	100	100	CD
12787	1811	17	-	-	HYPH
12787	1811	18	110Â	110Â	NNP
12787	1811	19	°	°	,
12787	1811	20	C	C	NNP
12787	1811	21	.	.	NNP
12787	1811	22	,	,	,
12787	1811	23	and	and	CC
12787	1811	24	treat	treat	VB
12787	1811	25	it	-PRON-	PRP
12787	1811	26	again	again	RB
12787	1811	27	with	with	IN
12787	1811	28	nitric	nitric	JJ
12787	1811	29	acid	acid	NN
12787	1811	30	as	as	IN
12787	1811	31	described	describe	VBN
12787	1811	32	above	above	RB
12787	1811	33	;	;	:
12787	1811	34	separate	separate	VB
12787	1811	35	the	the	DT
12787	1811	36	residue	residue	NN
12787	1811	37	of	of	IN
12787	1811	38	silica	silica	NN
12787	1811	39	by	by	IN
12787	1811	40	filtration	filtration	NN
12787	1811	41	on	on	IN
12787	1811	42	a	a	DT
12787	1811	43	small	small	JJ
12787	1811	44	filter	filter	NN
12787	1811	45	(	(	-LRB-
12787	1811	46	7	7	CD
12787	1811	47	cm	cm	NNS
12787	1811	48	.	.	.
12787	1811	49	)	)	-RRB-
12787	1812	1	and	and	CC
12787	1812	2	wash	wash	VB
12787	1812	3	with	with	IN
12787	1812	4	warm	warm	JJ
12787	1812	5	water	water	NN
12787	1812	6	,	,	,
12787	1812	7	using	use	VBG
12787	1812	8	as	as	RB
12787	1812	9	little	little	JJ
12787	1812	10	as	as	IN
12787	1812	11	possible	possible	JJ
12787	1812	12	(	(	-LRB-
12787	1812	13	Note	note	NN
12787	1812	14	2	2	CD
12787	1812	15	)	)	-RRB-
12787	1812	16	.	.	.
12787	1813	1	Receive	receive	VB
12787	1813	2	the	the	DT
12787	1813	3	filtrate	filtrate	NN
12787	1813	4	in	in	IN
12787	1813	5	a	a	DT
12787	1813	6	beaker	beaker	NN
12787	1813	7	(	(	-LRB-
12787	1813	8	200	200	CD
12787	1813	9	-	-	SYM
12787	1813	10	500	500	CD
12787	1813	11	cc	cc	NNP
12787	1813	12	.	.	.
12787	1813	13	)	)	-RRB-
12787	1813	14	.	.	.
12787	1814	1	Test	test	VB
12787	1814	2	the	the	DT
12787	1814	3	washings	washing	NNS
12787	1814	4	with	with	IN
12787	1814	5	ammonia	ammonia	NNP
12787	1814	6	for	for	IN
12787	1814	7	calcium	calcium	NN
12787	1814	8	phosphate	phosphate	NN
12787	1814	9	,	,	,
12787	1814	10	but	but	CC
12787	1814	11	add	add	VB
12787	1814	12	all	all	DT
12787	1814	13	such	such	JJ
12787	1814	14	tests	test	NNS
12787	1814	15	in	in	IN
12787	1814	16	which	which	WDT
12787	1814	17	a	a	DT
12787	1814	18	precipitate	precipitate	NN
12787	1814	19	appears	appear	VBZ
12787	1814	20	to	to	IN
12787	1814	21	the	the	DT
12787	1814	22	original	original	JJ
12787	1814	23	nitrate	nitrate	NN
12787	1814	24	(	(	-LRB-
12787	1814	25	Note	note	NN
12787	1814	26	3	3	CD
12787	1814	27	)	)	-RRB-
12787	1814	28	.	.	.
12787	1815	1	The	the	DT
12787	1815	2	filtrate	filtrate	JJ
12787	1815	3	and	and	CC
12787	1815	4	washings	washing	NNS
12787	1815	5	must	must	MD
12787	1815	6	be	be	VB
12787	1815	7	kept	keep	VBN
12787	1815	8	as	as	RB
12787	1815	9	small	small	JJ
12787	1815	10	as	as	IN
12787	1815	11	possible	possible	JJ
12787	1815	12	and	and	CC
12787	1815	13	should	should	MD
12787	1815	14	not	not	RB
12787	1815	15	exceed	exceed	VB
12787	1815	16	100	100	CD
12787	1815	17	cc	cc	NN
12787	1815	18	.	.	.
12787	1816	1	in	in	IN
12787	1816	2	volume	volume	NN
12787	1816	3	.	.	.
12787	1817	1	Add	add	VB
12787	1817	2	aqueous	aqueous	JJ
12787	1817	3	ammonia	ammonia	NN
12787	1817	4	(	(	-LRB-
12787	1817	5	sp	sp	NNP
12787	1817	6	.	.	.
12787	1818	1	gr	gr	NNP
12787	1818	2	.	.	.
12787	1819	1	0.96	0.96	LS
12787	1819	2	)	)	-RRB-
12787	1819	3	until	until	IN
12787	1819	4	the	the	DT
12787	1819	5	precipitate	precipitate	NN
12787	1819	6	of	of	IN
12787	1819	7	calcium	calcium	NNP
12787	1819	8	phosphate	phosphate	NN
12787	1819	9	first	first	RB
12787	1819	10	produced	produce	VBN
12787	1819	11	just	just	RB
12787	1819	12	fails	fail	VBZ
12787	1819	13	to	to	TO
12787	1819	14	redissolve	redissolve	VB
12787	1819	15	,	,	,
12787	1819	16	and	and	CC
12787	1819	17	then	then	RB
12787	1819	18	add	add	VB
12787	1819	19	a	a	DT
12787	1819	20	few	few	JJ
12787	1819	21	drops	drop	NNS
12787	1819	22	of	of	IN
12787	1819	23	nitric	nitric	JJ
12787	1819	24	acid	acid	NN
12787	1819	25	until	until	IN
12787	1819	26	this	this	DT
12787	1819	27	is	be	VBZ
12787	1819	28	again	again	RB
12787	1819	29	brought	bring	VBN
12787	1819	30	into	into	IN
12787	1819	31	solution	solution	NN
12787	1819	32	(	(	-LRB-
12787	1819	33	Note	note	NN
12787	1819	34	4	4	CD
12787	1819	35	)	)	-RRB-
12787	1819	36	.	.	.
12787	1820	1	Warm	warm	VB
12787	1820	2	the	the	DT
12787	1820	3	solution	solution	NN
12787	1820	4	until	until	IN
12787	1820	5	it	-PRON-	PRP
12787	1820	6	can	can	MD
12787	1820	7	not	not	RB
12787	1820	8	be	be	VB
12787	1820	9	comfortably	comfortably	RB
12787	1820	10	held	hold	VBN
12787	1820	11	in	in	IN
12787	1820	12	the	the	DT
12787	1820	13	hand	hand	NN
12787	1820	14	(	(	-LRB-
12787	1820	15	about	about	RB
12787	1820	16	60Â	60Â	NNP
12787	1820	17	°	°	NNS
12787	1820	18	C	C	NNP
12787	1820	19	.	.	.
12787	1820	20	)	)	-RRB-
12787	1821	1	and	and	CC
12787	1821	2	,	,	,
12787	1821	3	after	after	IN
12787	1821	4	removal	removal	NN
12787	1821	5	of	of	IN
12787	1821	6	the	the	DT
12787	1821	7	burner	burner	NN
12787	1821	8	,	,	,
12787	1821	9	add	add	VB
12787	1821	10	75	75	CD
12787	1821	11	cc	cc	NN
12787	1821	12	.	.	.
12787	1822	1	of	of	IN
12787	1822	2	ammonium	ammonium	NNP
12787	1822	3	molybdate	molybdate	NN
12787	1822	4	solution	solution	NN
12787	1822	5	which	which	WDT
12787	1822	6	has	have	VBZ
12787	1822	7	been	be	VBN
12787	1822	8	!	!	.
12787	1822	9	gently	gently	RB
12787	1822	10	!	!	.
12787	1823	1	warmed	warm	VBN
12787	1823	2	,	,	,
12787	1823	3	but	but	CC
12787	1823	4	which	which	WDT
12787	1823	5	must	must	MD
12787	1823	6	be	be	VB
12787	1823	7	perfectly	perfectly	RB
12787	1823	8	clear	clear	JJ
12787	1823	9	.	.	.
12787	1824	1	Allow	allow	VB
12787	1824	2	the	the	DT
12787	1824	3	mixture	mixture	NN
12787	1824	4	to	to	TO
12787	1824	5	stand	stand	VB
12787	1824	6	at	at	IN
12787	1824	7	a	a	DT
12787	1824	8	temperature	temperature	NN
12787	1824	9	of	of	IN
12787	1824	10	about	about	RB
12787	1824	11	50	50	CD
12787	1824	12	or	or	CC
12787	1824	13	60Â	60Â	NNP
12787	1824	14	°	°	NNS
12787	1824	15	C	c	NN
12787	1824	16	.	.	.
12787	1825	1	for	for	IN
12787	1825	2	twelve	twelve	CD
12787	1825	3	hours	hour	NNS
12787	1825	4	(	(	-LRB-
12787	1825	5	Notes	Notes	NNP
12787	1825	6	5	5	CD
12787	1825	7	and	and	CC
12787	1825	8	6	6	CD
12787	1825	9	)	)	-RRB-
12787	1825	10	.	.	.
12787	1826	1	Filter	filter	VB
12787	1826	2	off	off	RP
12787	1826	3	the	the	DT
12787	1826	4	yellow	yellow	JJ
12787	1826	5	precipitate	precipitate	NN
12787	1826	6	on	on	IN
12787	1826	7	a	a	DT
12787	1826	8	9	9	CD
12787	1826	9	cm	cm	NNS
12787	1826	10	.	.	.
12787	1827	1	filter	filter	NNP
12787	1827	2	,	,	,
12787	1827	3	and	and	CC
12787	1827	4	wash	wash	VB
12787	1827	5	by	by	IN
12787	1827	6	decantation	decantation	NN
12787	1827	7	with	with	IN
12787	1827	8	a	a	DT
12787	1827	9	solution	solution	NN
12787	1827	10	of	of	IN
12787	1827	11	ammonium	ammonium	NN
12787	1827	12	nitrate	nitrate	NN
12787	1827	13	made	make	VBD
12787	1827	14	acid	acid	NN
12787	1827	15	with	with	IN
12787	1827	16	nitric	nitric	JJ
12787	1827	17	acid	acid	NN
12787	1827	18	.	.	.
12787	1828	1	[	[	-LRB-
12787	1828	2	1	1	LS
12787	1828	3	]	]	-RRB-
12787	1828	4	Allow	allow	VB
12787	1828	5	the	the	DT
12787	1828	6	precipitate	precipitate	NN
12787	1828	7	to	to	TO
12787	1828	8	remain	remain	VB
12787	1828	9	in	in	IN
12787	1828	10	the	the	DT
12787	1828	11	beaker	beaker	NN
12787	1828	12	as	as	RB
12787	1828	13	far	far	RB
12787	1828	14	as	as	IN
12787	1828	15	possible	possible	JJ
12787	1828	16	.	.	.
12787	1829	1	Test	test	VB
12787	1829	2	the	the	DT
12787	1829	3	washings	washing	NNS
12787	1829	4	for	for	IN
12787	1829	5	calcium	calcium	NN
12787	1829	6	with	with	IN
12787	1829	7	ammonia	ammonia	NN
12787	1829	8	and	and	CC
12787	1829	9	ammonium	ammonium	NN
12787	1829	10	oxalate	oxalate	NN
12787	1829	11	(	(	-LRB-
12787	1829	12	Note	note	NN
12787	1829	13	3	3	CD
12787	1829	14	)	)	-RRB-
12787	1829	15	.	.	.
12787	1830	1	[	[	-LRB-
12787	1830	2	Footnote	footnote	NN
12787	1830	3	1	1	CD
12787	1830	4	:	:	:
12787	1830	5	This	this	DT
12787	1830	6	solution	solution	NN
12787	1830	7	is	be	VBZ
12787	1830	8	prepared	prepare	VBN
12787	1830	9	as	as	IN
12787	1830	10	follows	follow	VBZ
12787	1830	11	:	:	:
12787	1830	12	Mix	mix	VB
12787	1830	13	100	100	CD
12787	1830	14	cc	cc	NN
12787	1830	15	.	.	.
12787	1831	1	of	of	IN
12787	1831	2	ammonia	ammonia	NNP
12787	1831	3	solution	solution	NNP
12787	1831	4	(	(	-LRB-
12787	1831	5	sp	sp	NNP
12787	1831	6	.	.	.
12787	1832	1	gr	gr	NNP
12787	1832	2	.	.	.
12787	1833	1	0.96	0.96	LS
12787	1833	2	)	)	-RRB-
12787	1833	3	with	with	IN
12787	1833	4	325	325	CD
12787	1833	5	cc	cc	NN
12787	1833	6	.	.	.
12787	1834	1	of	of	IN
12787	1834	2	nitric	nitric	JJ
12787	1834	3	acid	acid	NNP
12787	1834	4	(	(	-LRB-
12787	1834	5	sp	sp	NNP
12787	1834	6	.	.	.
12787	1835	1	gr	gr	NNP
12787	1835	2	.	.	.
12787	1836	1	1.2	1.2	LS
12787	1836	2	)	)	-RRB-
12787	1836	3	and	and	CC
12787	1836	4	dilute	dilute	VB
12787	1836	5	with	with	IN
12787	1836	6	100	100	CD
12787	1836	7	cc	cc	NN
12787	1836	8	.	.	.
12787	1837	1	of	of	IN
12787	1837	2	water	water	NN
12787	1837	3	.	.	.
12787	1837	4	]	]	-RRB-
12787	1838	1	Add	add	VB
12787	1838	2	10	10	CD
12787	1838	3	cc	cc	NN
12787	1838	4	.	.	.
12787	1839	1	of	of	IN
12787	1839	2	molybdate	molybdate	NNP
12787	1839	3	solution	solution	NN
12787	1839	4	to	to	IN
12787	1839	5	the	the	DT
12787	1839	6	nitrate	nitrate	JJ
12787	1839	7	,	,	,
12787	1839	8	and	and	CC
12787	1839	9	leave	leave	VB
12787	1839	10	it	-PRON-	PRP
12787	1839	11	for	for	IN
12787	1839	12	a	a	DT
12787	1839	13	few	few	JJ
12787	1839	14	hours	hour	NNS
12787	1839	15	.	.	.
12787	1840	1	It	-PRON-	PRP
12787	1840	2	should	should	MD
12787	1840	3	then	then	RB
12787	1840	4	be	be	VB
12787	1840	5	carefully	carefully	RB
12787	1840	6	examined	examine	VBN
12787	1840	7	for	for	IN
12787	1840	8	a	a	DT
12787	1840	9	!	!	.
12787	1840	10	yellow	yellow	JJ
12787	1840	11	!	!	.
12787	1841	1	precipitate	precipitate	VB
12787	1841	2	;	;	:
12787	1841	3	a	a	DT
12787	1841	4	white	white	JJ
12787	1841	5	precipitate	precipitate	NN
12787	1841	6	may	may	MD
12787	1841	7	be	be	VB
12787	1841	8	neglected	neglect	VBN
12787	1841	9	.	.	.
12787	1842	1	[	[	-LRB-
12787	1842	2	Note	note	NN
12787	1842	3	1	1	CD
12787	1842	4	:	:	:
12787	1842	5	Magnesium	magnesium	NN
12787	1842	6	ammonium	ammonium	NN
12787	1842	7	phosphate	phosphate	NN
12787	1842	8	,	,	,
12787	1842	9	as	as	IN
12787	1842	10	noted	note	VBN
12787	1842	11	below	below	IN
12787	1842	12	,	,	,
12787	1842	13	is	be	VBZ
12787	1842	14	slightly	slightly	RB
12787	1842	15	soluble	soluble	JJ
12787	1842	16	under	under	IN
12787	1842	17	the	the	DT
12787	1842	18	conditions	condition	NNS
12787	1842	19	of	of	IN
12787	1842	20	operation	operation	NN
12787	1842	21	.	.	.
12787	1843	1	Consequently	consequently	RB
12787	1843	2	the	the	DT
12787	1843	3	unavoidable	unavoidable	JJ
12787	1843	4	errors	error	NNS
12787	1843	5	of	of	IN
12787	1843	6	analysis	analysis	NN
12787	1843	7	are	be	VBP
12787	1843	8	greater	great	JJR
12787	1843	9	in	in	IN
12787	1843	10	this	this	DT
12787	1843	11	determination	determination	NN
12787	1843	12	than	than	IN
12787	1843	13	in	in	IN
12787	1843	14	those	those	DT
12787	1843	15	which	which	WDT
12787	1843	16	have	have	VBP
12787	1843	17	preceded	precede	VBN
12787	1843	18	it	-PRON-	PRP
12787	1843	19	,	,	,
12787	1843	20	and	and	CC
12787	1843	21	some	some	DT
12787	1843	22	divergence	divergence	NN
12787	1843	23	may	may	MD
12787	1843	24	be	be	VB
12787	1843	25	expected	expect	VBN
12787	1843	26	in	in	IN
12787	1843	27	duplicate	duplicate	JJ
12787	1843	28	analyses	analysis	NNS
12787	1843	29	.	.	.
12787	1844	1	It	-PRON-	PRP
12787	1844	2	is	be	VBZ
12787	1844	3	obvious	obvious	JJ
12787	1844	4	that	that	IN
12787	1844	5	the	the	DT
12787	1844	6	larger	large	JJR
12787	1844	7	the	the	DT
12787	1844	8	amount	amount	NN
12787	1844	9	of	of	IN
12787	1844	10	substance	substance	NN
12787	1844	11	taken	take	VBN
12787	1844	12	for	for	IN
12787	1844	13	analysis	analysis	NN
12787	1844	14	the	the	DT
12787	1844	15	less	less	JJR
12787	1844	16	will	will	MD
12787	1844	17	be	be	VB
12787	1844	18	the	the	DT
12787	1844	19	relative	relative	JJ
12787	1844	20	loss	loss	NN
12787	1844	21	or	or	CC
12787	1844	22	gain	gain	NN
12787	1844	23	due	due	JJ
12787	1844	24	to	to	IN
12787	1844	25	unavoidable	unavoidable	JJ
12787	1844	26	experimental	experimental	JJ
12787	1844	27	errors	error	NNS
12787	1844	28	;	;	:
12787	1844	29	but	but	CC
12787	1844	30	,	,	,
12787	1844	31	in	in	IN
12787	1844	32	this	this	DT
12787	1844	33	instance	instance	NN
12787	1844	34	,	,	,
12787	1844	35	a	a	DT
12787	1844	36	check	check	NN
12787	1844	37	is	be	VBZ
12787	1844	38	placed	place	VBN
12787	1844	39	upon	upon	IN
12787	1844	40	the	the	DT
12787	1844	41	amount	amount	NN
12787	1844	42	of	of	IN
12787	1844	43	material	material	NN
12787	1844	44	which	which	WDT
12787	1844	45	may	may	MD
12787	1844	46	be	be	VB
12787	1844	47	taken	take	VBN
12787	1844	48	both	both	DT
12787	1844	49	by	by	IN
12787	1844	50	the	the	DT
12787	1844	51	bulk	bulk	NN
12787	1844	52	of	of	IN
12787	1844	53	the	the	DT
12787	1844	54	resulting	result	VBG
12787	1844	55	precipitate	precipitate	NN
12787	1844	56	of	of	IN
12787	1844	57	ammonium	ammonium	NN
12787	1844	58	phosphomolybdate	phosphomolybdate	NN
12787	1844	59	and	and	CC
12787	1844	60	by	by	IN
12787	1844	61	the	the	DT
12787	1844	62	excessive	excessive	JJ
12787	1844	63	amount	amount	NN
12787	1844	64	of	of	IN
12787	1844	65	ammonium	ammonium	NN
12787	1844	66	molybdate	molybdate	NN
12787	1844	67	required	require	VBN
12787	1844	68	to	to	TO
12787	1844	69	effect	effect	VB
12787	1844	70	complete	complete	JJ
12787	1844	71	separation	separation	NN
12787	1844	72	of	of	IN
12787	1844	73	the	the	DT
12787	1844	74	phosphoric	phosphoric	NN
12787	1844	75	acid	acid	NN
12787	1844	76	,	,	,
12787	1844	77	since	since	IN
12787	1844	78	a	a	DT
12787	1844	79	liberal	liberal	JJ
12787	1844	80	excess	excess	NN
12787	1844	81	above	above	IN
12787	1844	82	the	the	DT
12787	1844	83	theoretical	theoretical	JJ
12787	1844	84	quantity	quantity	NN
12787	1844	85	is	be	VBZ
12787	1844	86	demanded	demand	VBN
12787	1844	87	.	.	.
12787	1845	1	Molybdic	molybdic	JJ
12787	1845	2	acid	acid	NN
12787	1845	3	is	be	VBZ
12787	1845	4	one	one	CD
12787	1845	5	of	of	IN
12787	1845	6	the	the	DT
12787	1845	7	more	more	RBR
12787	1845	8	expensive	expensive	JJ
12787	1845	9	reagents	reagent	NNS
12787	1845	10	.	.	.
12787	1845	11	]	]	-RRB-
12787	1846	1	[	[	-LRB-
12787	1846	2	Note	note	NN
12787	1846	3	2	2	CD
12787	1846	4	:	:	:
12787	1846	5	Soluble	soluble	JJ
12787	1846	6	silicic	silicic	NN
12787	1846	7	acid	acid	NN
12787	1846	8	would	would	MD
12787	1846	9	,	,	,
12787	1846	10	if	if	IN
12787	1846	11	present	present	JJ
12787	1846	12	,	,	,
12787	1846	13	partially	partially	RB
12787	1846	14	separate	separate	JJ
12787	1846	15	with	with	IN
12787	1846	16	the	the	DT
12787	1846	17	phosphomolybdate	phosphomolybdate	NN
12787	1846	18	,	,	,
12787	1846	19	although	although	IN
12787	1846	20	not	not	RB
12787	1846	21	in	in	IN
12787	1846	22	combination	combination	NN
12787	1846	23	with	with	IN
12787	1846	24	molybdenum	molybdenum	NN
12787	1846	25	.	.	.
12787	1847	1	Its	-PRON-	PRP$
12787	1847	2	previous	previous	JJ
12787	1847	3	removal	removal	NN
12787	1847	4	by	by	IN
12787	1847	5	dehydration	dehydration	NN
12787	1847	6	is	be	VBZ
12787	1847	7	therefore	therefore	RB
12787	1847	8	necessary	necessary	JJ
12787	1847	9	.	.	.
12787	1847	10	]	]	-RRB-
12787	1848	1	[	[	-LRB-
12787	1848	2	Note	note	NN
12787	1848	3	3	3	CD
12787	1848	4	:	:	:
12787	1848	5	When	when	WRB
12787	1848	6	washing	wash	VBG
12787	1848	7	the	the	DT
12787	1848	8	siliceous	siliceous	JJ
12787	1848	9	residue	residue	NN
12787	1848	10	the	the	DT
12787	1848	11	filtrate	filtrate	NN
12787	1848	12	may	may	MD
12787	1848	13	be	be	VB
12787	1848	14	tested	test	VBN
12787	1848	15	for	for	IN
12787	1848	16	calcium	calcium	NN
12787	1848	17	by	by	IN
12787	1848	18	adding	add	VBG
12787	1848	19	ammonia	ammonia	NNP
12787	1848	20	,	,	,
12787	1848	21	since	since	IN
12787	1848	22	that	that	DT
12787	1848	23	reagent	reagent	NN
12787	1848	24	neutralizes	neutralize	VBZ
12787	1848	25	the	the	DT
12787	1848	26	acid	acid	NN
12787	1848	27	which	which	WDT
12787	1848	28	holds	hold	VBZ
12787	1848	29	the	the	DT
12787	1848	30	calcium	calcium	NN
12787	1848	31	phosphate	phosphate	NN
12787	1848	32	in	in	IN
12787	1848	33	solution	solution	NN
12787	1848	34	and	and	CC
12787	1848	35	causes	cause	VBZ
12787	1848	36	precipitation	precipitation	NN
12787	1848	37	;	;	,
12787	1848	38	but	but	CC
12787	1848	39	after	after	IN
12787	1848	40	the	the	DT
12787	1848	41	removal	removal	NN
12787	1848	42	of	of	IN
12787	1848	43	the	the	DT
12787	1848	44	phosphoric	phosphoric	NN
12787	1848	45	acid	acid	NN
12787	1848	46	in	in	IN
12787	1848	47	combination	combination	NN
12787	1848	48	with	with	IN
12787	1848	49	the	the	DT
12787	1848	50	molybdenum	molybdenum	NN
12787	1848	51	,	,	,
12787	1848	52	the	the	DT
12787	1848	53	addition	addition	NN
12787	1848	54	of	of	IN
12787	1848	55	an	an	DT
12787	1848	56	oxalate	oxalate	NN
12787	1848	57	is	be	VBZ
12787	1848	58	required	require	VBN
12787	1848	59	to	to	TO
12787	1848	60	show	show	VB
12787	1848	61	the	the	DT
12787	1848	62	presence	presence	NN
12787	1848	63	of	of	IN
12787	1848	64	calcium	calcium	NN
12787	1848	65	.	.	.
12787	1848	66	]	]	-RRB-
12787	1849	1	[	[	-LRB-
12787	1849	2	Note	note	NN
12787	1849	3	4	4	CD
12787	1849	4	:	:	:
12787	1849	5	An	an	DT
12787	1849	6	excess	excess	NN
12787	1849	7	of	of	IN
12787	1849	8	nitric	nitric	JJ
12787	1849	9	acid	acid	NN
12787	1849	10	exerts	exert	NNS
12787	1849	11	a	a	DT
12787	1849	12	slight	slight	JJ
12787	1849	13	solvent	solvent	NN
12787	1849	14	action	action	NN
12787	1849	15	,	,	,
12787	1849	16	while	while	IN
12787	1849	17	ammonium	ammonium	NN
12787	1849	18	nitrate	nitrate	NNP
12787	1849	19	lessens	lessen	VBZ
12787	1849	20	the	the	DT
12787	1849	21	solubility	solubility	NN
12787	1849	22	;	;	:
12787	1849	23	hence	hence	RB
12787	1849	24	the	the	DT
12787	1849	25	neutralization	neutralization	NN
12787	1849	26	of	of	IN
12787	1849	27	the	the	DT
12787	1849	28	former	former	JJ
12787	1849	29	by	by	IN
12787	1849	30	ammonia	ammonia	NNP
12787	1849	31	.	.	.
12787	1849	32	]	]	-RRB-
12787	1850	1	[	[	-LRB-
12787	1850	2	Note	note	NN
12787	1850	3	5	5	CD
12787	1850	4	:	:	:
12787	1850	5	The	the	DT
12787	1850	6	precipitation	precipitation	NN
12787	1850	7	of	of	IN
12787	1850	8	the	the	DT
12787	1850	9	phosphomolybdate	phosphomolybdate	NN
12787	1850	10	takes	take	VBZ
12787	1850	11	place	place	NN
12787	1850	12	more	more	RBR
12787	1850	13	promptly	promptly	RB
12787	1850	14	in	in	IN
12787	1850	15	warm	warm	JJ
12787	1850	16	than	than	IN
12787	1850	17	in	in	IN
12787	1850	18	cold	cold	JJ
12787	1850	19	solutions	solution	NNS
12787	1850	20	,	,	,
12787	1850	21	but	but	CC
12787	1850	22	the	the	DT
12787	1850	23	temperature	temperature	NN
12787	1850	24	should	should	MD
12787	1850	25	not	not	RB
12787	1850	26	exceed	exceed	VB
12787	1850	27	60Â	60Â	NNP
12787	1850	28	°	°	NN
12787	1850	29	C	c	NN
12787	1850	30	.	.	.
12787	1851	1	during	during	IN
12787	1851	2	precipitation	precipitation	NN
12787	1851	3	;	;	:
12787	1851	4	a	a	DT
12787	1851	5	higher	high	JJR
12787	1851	6	temperature	temperature	NN
12787	1851	7	tends	tend	VBZ
12787	1851	8	to	to	TO
12787	1851	9	separate	separate	VB
12787	1851	10	molybdic	molybdic	JJ
12787	1851	11	acid	acid	NN
12787	1851	12	from	from	IN
12787	1851	13	the	the	DT
12787	1851	14	solution	solution	NN
12787	1851	15	.	.	.
12787	1852	1	This	this	DT
12787	1852	2	acid	acid	NN
12787	1852	3	is	be	VBZ
12787	1852	4	nearly	nearly	RB
12787	1852	5	white	white	JJ
12787	1852	6	,	,	,
12787	1852	7	and	and	CC
12787	1852	8	its	-PRON-	PRP$
12787	1852	9	deposition	deposition	NN
12787	1852	10	in	in	IN
12787	1852	11	the	the	DT
12787	1852	12	filtrate	filtrate	JJ
12787	1852	13	on	on	IN
12787	1852	14	long	long	JJ
12787	1852	15	standing	standing	NN
12787	1852	16	should	should	MD
12787	1852	17	not	not	RB
12787	1852	18	be	be	VB
12787	1852	19	mistaken	mistake	VBN
12787	1852	20	for	for	IN
12787	1852	21	a	a	DT
12787	1852	22	second	second	JJ
12787	1852	23	precipitation	precipitation	NN
12787	1852	24	of	of	IN
12787	1852	25	the	the	DT
12787	1852	26	yellow	yellow	JJ
12787	1852	27	precipitate	precipitate	NN
12787	1852	28	.	.	.
12787	1853	1	The	the	DT
12787	1853	2	addition	addition	NN
12787	1853	3	of	of	IN
12787	1853	4	75	75	CD
12787	1853	5	cc	cc	NN
12787	1853	6	.	.	.
12787	1854	1	of	of	IN
12787	1854	2	ammonium	ammonium	NNP
12787	1854	3	molybdate	molybdate	NN
12787	1854	4	solution	solution	NN
12787	1854	5	insures	insure	VBZ
12787	1854	6	the	the	DT
12787	1854	7	presence	presence	NN
12787	1854	8	of	of	IN
12787	1854	9	a	a	DT
12787	1854	10	liberal	liberal	JJ
12787	1854	11	excess	excess	NN
12787	1854	12	of	of	IN
12787	1854	13	the	the	DT
12787	1854	14	reagent	reagent	NN
12787	1854	15	,	,	,
12787	1854	16	but	but	CC
12787	1854	17	the	the	DT
12787	1854	18	filtrate	filtrate	NN
12787	1854	19	should	should	MD
12787	1854	20	be	be	VB
12787	1854	21	tested	test	VBN
12787	1854	22	as	as	IN
12787	1854	23	in	in	IN
12787	1854	24	all	all	DT
12787	1854	25	quantitative	quantitative	JJ
12787	1854	26	procedures	procedure	NNS
12787	1854	27	.	.	.
12787	1855	1	The	the	DT
12787	1855	2	precipitation	precipitation	NN
12787	1855	3	is	be	VBZ
12787	1855	4	probably	probably	RB
12787	1855	5	complete	complete	JJ
12787	1855	6	in	in	IN
12787	1855	7	many	many	JJ
12787	1855	8	cases	case	NNS
12787	1855	9	in	in	IN
12787	1855	10	less	less	JJR
12787	1855	11	than	than	IN
12787	1855	12	twelve	twelve	CD
12787	1855	13	hours	hour	NNS
12787	1855	14	;	;	:
12787	1855	15	but	but	CC
12787	1855	16	it	-PRON-	PRP
12787	1855	17	is	be	VBZ
12787	1855	18	better	well	JJR
12787	1855	19	,	,	,
12787	1855	20	when	when	WRB
12787	1855	21	practicable	practicable	JJ
12787	1855	22	,	,	,
12787	1855	23	to	to	TO
12787	1855	24	allow	allow	VB
12787	1855	25	the	the	DT
12787	1855	26	solution	solution	NN
12787	1855	27	to	to	TO
12787	1855	28	stand	stand	VB
12787	1855	29	for	for	IN
12787	1855	30	this	this	DT
12787	1855	31	length	length	NN
12787	1855	32	of	of	IN
12787	1855	33	time	time	NN
12787	1855	34	.	.	.
12787	1856	1	Vigorous	vigorous	JJ
12787	1856	2	shaking	shaking	NN
12787	1856	3	or	or	CC
12787	1856	4	stirring	stir	VBG
12787	1856	5	promotes	promote	VBZ
12787	1856	6	the	the	DT
12787	1856	7	separation	separation	NN
12787	1856	8	of	of	IN
12787	1856	9	the	the	DT
12787	1856	10	precipitate	precipitate	NN
12787	1856	11	.	.	.
12787	1856	12	]	]	-RRB-
12787	1857	1	[	[	-LRB-
12787	1857	2	Note	note	NN
12787	1857	3	6	6	CD
12787	1857	4	:	:	:
12787	1857	5	The	the	DT
12787	1857	6	composition	composition	NN
12787	1857	7	of	of	IN
12787	1857	8	the	the	DT
12787	1857	9	"	"	``
12787	1857	10	yellow	yellow	JJ
12787	1857	11	precipitate	precipitate	NN
12787	1857	12	"	"	''
12787	1857	13	undoubtedly	undoubtedly	RB
12787	1857	14	varies	vary	VBZ
12787	1857	15	slightly	slightly	RB
12787	1857	16	with	with	IN
12787	1857	17	varying	vary	VBG
12787	1857	18	conditions	condition	NNS
12787	1857	19	at	at	IN
12787	1857	20	the	the	DT
12787	1857	21	time	time	NN
12787	1857	22	of	of	IN
12787	1857	23	its	-PRON-	PRP$
12787	1857	24	formation	formation	NN
12787	1857	25	.	.	.
12787	1858	1	Its	-PRON-	PRP$
12787	1858	2	composition	composition	NN
12787	1858	3	may	may	MD
12787	1858	4	probably	probably	RB
12787	1858	5	fairly	fairly	RB
12787	1858	6	be	be	VB
12787	1858	7	represented	represent	VBN
12787	1858	8	by	by	IN
12787	1858	9	the	the	DT
12787	1858	10	formula	formula	NN
12787	1858	11	,	,	,
12787	1858	12	(	(	-LRB-
12787	1858	13	NH_{4})_{3}PO_{4}.12MoO_{3}.H_{2}O	nh_{4})_{3}po_{4}.12moo_{3}.h_{2}o	UH
12787	1858	14	,	,	,
12787	1858	15	when	when	WRB
12787	1858	16	precipitated	precipitate	VBN
12787	1858	17	under	under	IN
12787	1858	18	the	the	DT
12787	1858	19	conditions	condition	NNS
12787	1858	20	prescribed	prescribe	VBN
12787	1858	21	in	in	IN
12787	1858	22	the	the	DT
12787	1858	23	procedure	procedure	NN
12787	1858	24	.	.	.
12787	1859	1	Whatever	whatever	WDT
12787	1859	2	other	other	JJ
12787	1859	3	variations	variation	NNS
12787	1859	4	may	may	MD
12787	1859	5	occur	occur	VB
12787	1859	6	in	in	IN
12787	1859	7	its	-PRON-	PRP$
12787	1859	8	composition	composition	NN
12787	1859	9	,	,	,
12787	1859	10	the	the	DT
12787	1859	11	ratio	ratio	NN
12787	1859	12	of	of	IN
12787	1859	13	12	12	CD
12787	1859	14	MoO_{3}:1	MoO_{3}:1	NNP
12787	1859	15	P	P	NNP
12787	1859	16	seems	seem	VBZ
12787	1859	17	to	to	TO
12787	1859	18	hold	hold	VB
12787	1859	19	,	,	,
12787	1859	20	and	and	CC
12787	1859	21	this	this	DT
12787	1859	22	fact	fact	NN
12787	1859	23	is	be	VBZ
12787	1859	24	utilized	utilize	VBN
12787	1859	25	in	in	IN
12787	1859	26	volumetric	volumetric	NN
12787	1859	27	processes	process	NNS
12787	1859	28	for	for	IN
12787	1859	29	the	the	DT
12787	1859	30	determination	determination	NN
12787	1859	31	of	of	IN
12787	1859	32	phosphorus	phosphorus	NN
12787	1859	33	,	,	,
12787	1859	34	in	in	IN
12787	1859	35	which	which	WDT
12787	1859	36	the	the	DT
12787	1859	37	molybdenum	molybdenum	NN
12787	1859	38	is	be	VBZ
12787	1859	39	reduced	reduce	VBN
12787	1859	40	to	to	IN
12787	1859	41	a	a	DT
12787	1859	42	lower	low	JJR
12787	1859	43	oxide	oxide	NN
12787	1859	44	and	and	CC
12787	1859	45	reoxidized	reoxidize	VBN
12787	1859	46	by	by	IN
12787	1859	47	a	a	DT
12787	1859	48	standard	standard	JJ
12787	1859	49	solution	solution	NN
12787	1859	50	of	of	IN
12787	1859	51	potassium	potassium	NN
12787	1859	52	permanganate	permanganate	NN
12787	1859	53	.	.	.
12787	1860	1	In	in	IN
12787	1860	2	principle	principle	NN
12787	1860	3	,	,	,
12787	1860	4	the	the	DT
12787	1860	5	procedure	procedure	NN
12787	1860	6	is	be	VBZ
12787	1860	7	comparable	comparable	JJ
12787	1860	8	with	with	IN
12787	1860	9	that	that	DT
12787	1860	10	described	describe	VBN
12787	1860	11	for	for	IN
12787	1860	12	the	the	DT
12787	1860	13	determination	determination	NN
12787	1860	14	of	of	IN
12787	1860	15	iron	iron	NN
12787	1860	16	by	by	IN
12787	1860	17	permanganate	permanganate	NN
12787	1860	18	.	.	.
12787	1860	19	]	]	-RRB-
12787	1861	1	PRECIPITATION	precipitation	NN
12787	1861	2	OF	of	IN
12787	1861	3	MAGNESIUM	MAGNESIUM	NNP
12787	1861	4	AMMONIUM	AMMONIUM	NNP
12787	1861	5	PHOSPHATE	PHOSPHATE	NNP
12787	1861	6	PROCEDURE.--Dissolve	procedure.--dissolve	VBP
12787	1861	7	the	the	DT
12787	1861	8	precipitate	precipitate	NN
12787	1861	9	of	of	IN
12787	1861	10	phosphomolybdate	phosphomolybdate	NN
12787	1861	11	upon	upon	IN
12787	1861	12	the	the	DT
12787	1861	13	filter	filter	NN
12787	1861	14	by	by	IN
12787	1861	15	pouring	pour	VBG
12787	1861	16	through	through	IN
12787	1861	17	it	-PRON-	PRP
12787	1861	18	dilute	dilute	VBP
12787	1861	19	aqueous	aqueous	JJ
12787	1861	20	ammonia	ammonia	NNP
12787	1861	21	(	(	-LRB-
12787	1861	22	one	one	CD
12787	1861	23	volume	volume	NN
12787	1861	24	of	of	IN
12787	1861	25	dilute	dilute	NNP
12787	1861	26	ammonia	ammonia	NNP
12787	1861	27	(	(	-LRB-
12787	1861	28	sp	sp	NNP
12787	1861	29	.	.	.
12787	1862	1	gr	gr	NNP
12787	1862	2	.	.	.
12787	1863	1	0.96	0.96	LS
12787	1863	2	)	)	-RRB-
12787	1863	3	and	and	CC
12787	1863	4	three	three	CD
12787	1863	5	volumes	volume	NNS
12787	1863	6	of	of	IN
12787	1863	7	water	water	NN
12787	1863	8	,	,	,
12787	1863	9	which	which	WDT
12787	1863	10	should	should	MD
12787	1863	11	be	be	VB
12787	1863	12	carefully	carefully	RB
12787	1863	13	measured	measure	VBN
12787	1863	14	)	)	-RRB-
12787	1863	15	,	,	,
12787	1863	16	and	and	CC
12787	1863	17	receive	receive	VBP
12787	1863	18	the	the	DT
12787	1863	19	solution	solution	NN
12787	1863	20	in	in	IN
12787	1863	21	the	the	DT
12787	1863	22	beaker	beaker	NN
12787	1863	23	containing	contain	VBG
12787	1863	24	the	the	DT
12787	1863	25	bulk	bulk	NN
12787	1863	26	of	of	IN
12787	1863	27	the	the	DT
12787	1863	28	precipitate	precipitate	NN
12787	1863	29	.	.	.
12787	1864	1	The	the	DT
12787	1864	2	total	total	JJ
12787	1864	3	volume	volume	NN
12787	1864	4	of	of	IN
12787	1864	5	nitrate	nitrate	JJ
12787	1864	6	and	and	CC
12787	1864	7	washings	washing	NNS
12787	1864	8	should	should	MD
12787	1864	9	not	not	RB
12787	1864	10	much	much	RB
12787	1864	11	exceed	exceed	VB
12787	1864	12	100	100	CD
12787	1864	13	cc	cc	NN
12787	1864	14	.	.	.
12787	1865	1	Acidify	acidify	RB
12787	1865	2	the	the	DT
12787	1865	3	solution	solution	NN
12787	1865	4	with	with	IN
12787	1865	5	dilute	dilute	NNP
12787	1865	6	hydrochloric	hydrochloric	JJ
12787	1865	7	acid	acid	NN
12787	1865	8	,	,	,
12787	1865	9	and	and	CC
12787	1865	10	heat	heat	VB
12787	1865	11	it	-PRON-	PRP
12787	1865	12	nearly	nearly	RB
12787	1865	13	to	to	IN
12787	1865	14	boiling	boil	VBG
12787	1865	15	.	.	.
12787	1866	1	Calculate	calculate	VB
12787	1866	2	the	the	DT
12787	1866	3	volume	volume	NN
12787	1866	4	of	of	IN
12787	1866	5	magnesium	magnesium	NN
12787	1866	6	ammonium	ammonium	NN
12787	1866	7	chloride	chloride	NN
12787	1866	8	solution	solution	NN
12787	1866	9	(	(	-LRB-
12787	1866	10	"	"	``
12787	1866	11	magnesia	magnesia	NNP
12787	1866	12	mixture	mixture	NN
12787	1866	13	"	"	''
12787	1866	14	)	)	-RRB-
12787	1866	15	required	require	VBN
12787	1866	16	to	to	TO
12787	1866	17	precipitate	precipitate	VB
12787	1866	18	the	the	DT
12787	1866	19	phosphoric	phosphoric	NN
12787	1866	20	acid	acid	NN
12787	1866	21	,	,	,
12787	1866	22	assuming	assume	VBG
12787	1866	23	40	40	CD
12787	1866	24	per	per	NN
12787	1866	25	cent	cent	NN
12787	1866	26	P_{2}O_{5	P_{2}O_{5	NNP
12787	1866	27	}	}	-RRB-
12787	1866	28	in	in	IN
12787	1866	29	the	the	DT
12787	1866	30	apatite	apatite	NN
12787	1866	31	.	.	.
12787	1867	1	Measure	measure	VB
12787	1867	2	out	out	RP
12787	1867	3	about	about	RB
12787	1867	4	5	5	CD
12787	1867	5	cc	cc	NN
12787	1867	6	.	.	.
12787	1868	1	in	in	IN
12787	1868	2	excess	excess	NN
12787	1868	3	of	of	IN
12787	1868	4	this	this	DT
12787	1868	5	amount	amount	NN
12787	1868	6	,	,	,
12787	1868	7	and	and	CC
12787	1868	8	pour	pour	VB
12787	1868	9	it	-PRON-	PRP
12787	1868	10	into	into	IN
12787	1868	11	the	the	DT
12787	1868	12	acid	acid	NN
12787	1868	13	solution	solution	NN
12787	1868	14	.	.	.
12787	1869	1	Then	then	RB
12787	1869	2	add	add	VB
12787	1869	3	slowly	slowly	RB
12787	1869	4	dilute	dilute	VBP
12787	1869	5	ammonium	ammonium	NN
12787	1869	6	hydroxide	hydroxide	NN
12787	1869	7	(	(	-LRB-
12787	1869	8	1	1	CD
12787	1869	9	volume	volume	NN
12787	1869	10	of	of	IN
12787	1869	11	strong	strong	JJ
12787	1869	12	ammonia	ammonia	NNP
12787	1869	13	(	(	-LRB-
12787	1869	14	sp	sp	NNP
12787	1869	15	.	.	.
12787	1870	1	gr	gr	NNP
12787	1870	2	.	.	.
12787	1871	1	0.90	0.90	LS
12787	1871	2	)	)	-RRB-
12787	1871	3	and	and	CC
12787	1871	4	9	9	CD
12787	1871	5	volumes	volume	NNS
12787	1871	6	of	of	IN
12787	1871	7	water	water	NN
12787	1871	8	)	)	-RRB-
12787	1871	9	,	,	,
12787	1871	10	stirring	stir	VBG
12787	1871	11	constantly	constantly	RB
12787	1871	12	until	until	IN
12787	1871	13	a	a	DT
12787	1871	14	precipitate	precipitate	NN
12787	1871	15	forms	form	NNS
12787	1871	16	.	.	.
12787	1872	1	Then	then	RB
12787	1872	2	add	add	VB
12787	1872	3	a	a	DT
12787	1872	4	volume	volume	NN
12787	1872	5	of	of	IN
12787	1872	6	filtered	filter	VBN
12787	1872	7	,	,	,
12787	1872	8	concentrated	concentrated	JJ
12787	1872	9	ammonia	ammonia	NNP
12787	1872	10	(	(	-LRB-
12787	1872	11	sp	sp	NNP
12787	1872	12	.	.	.
12787	1873	1	gr	gr	NNP
12787	1873	2	.	.	.
12787	1874	1	0.90	0.90	LS
12787	1874	2	)	)	-RRB-
12787	1874	3	equal	equal	JJ
12787	1874	4	to	to	IN
12787	1874	5	one	one	CD
12787	1874	6	third	third	NN
12787	1874	7	of	of	IN
12787	1874	8	the	the	DT
12787	1874	9	volume	volume	NN
12787	1874	10	of	of	IN
12787	1874	11	liquid	liquid	NN
12787	1874	12	in	in	IN
12787	1874	13	the	the	DT
12787	1874	14	beaker	beaker	NN
12787	1874	15	(	(	-LRB-
12787	1874	16	Note	note	NN
12787	1874	17	1	1	CD
12787	1874	18	)	)	-RRB-
12787	1874	19	.	.	.
12787	1875	1	Allow	allow	VB
12787	1875	2	the	the	DT
12787	1875	3	whole	whole	NN
12787	1875	4	to	to	TO
12787	1875	5	cool	cool	VB
12787	1875	6	.	.	.
12787	1876	1	The	the	DT
12787	1876	2	precipitated	precipitate	VBN
12787	1876	3	magnesium	magnesium	NN
12787	1876	4	ammonium	ammonium	NN
12787	1876	5	phosphate	phosphate	NN
12787	1876	6	should	should	MD
12787	1876	7	then	then	RB
12787	1876	8	be	be	VB
12787	1876	9	definitely	definitely	RB
12787	1876	10	crystalline	crystalline	JJ
12787	1876	11	in	in	IN
12787	1876	12	appearance	appearance	NN
12787	1876	13	(	(	-LRB-
12787	1876	14	Note	note	NN
12787	1876	15	2	2	CD
12787	1876	16	)	)	-RRB-
12787	1876	17	.	.	.
12787	1877	1	(	(	-LRB-
12787	1877	2	If	if	IN
12787	1877	3	it	-PRON-	PRP
12787	1877	4	is	be	VBZ
12787	1877	5	desired	desire	VBN
12787	1877	6	to	to	TO
12787	1877	7	hasten	hasten	VB
12787	1877	8	the	the	DT
12787	1877	9	precipitation	precipitation	NN
12787	1877	10	,	,	,
12787	1877	11	the	the	DT
12787	1877	12	solution	solution	NN
12787	1877	13	may	may	MD
12787	1877	14	be	be	VB
12787	1877	15	cooled	cool	VBN
12787	1877	16	,	,	,
12787	1877	17	first	first	RB
12787	1877	18	in	in	IN
12787	1877	19	cold	cold	JJ
12787	1877	20	and	and	CC
12787	1877	21	then	then	RB
12787	1877	22	in	in	IN
12787	1877	23	ice	ice	NN
12787	1877	24	-	-	HYPH
12787	1877	25	water	water	NN
12787	1877	26	,	,	,
12787	1877	27	and	and	CC
12787	1877	28	stirred	stir	VBD
12787	1877	29	!	!	.
12787	1877	30	constantly	constantly	RB
12787	1877	31	!	!	.
12787	1878	1	for	for	IN
12787	1878	2	half	half	PDT
12787	1878	3	an	an	DT
12787	1878	4	hour	hour	NN
12787	1878	5	,	,	,
12787	1878	6	when	when	WRB
12787	1878	7	precipitation	precipitation	NN
12787	1878	8	will	will	MD
12787	1878	9	usually	usually	RB
12787	1878	10	be	be	VB
12787	1878	11	complete	complete	JJ
12787	1878	12	.	.	.
12787	1878	13	)	)	-RRB-
12787	1879	1	Decant	decant	VB
12787	1879	2	the	the	DT
12787	1879	3	clear	clear	JJ
12787	1879	4	liquid	liquid	NN
12787	1879	5	through	through	IN
12787	1879	6	a	a	DT
12787	1879	7	filter	filter	NN
12787	1879	8	,	,	,
12787	1879	9	and	and	CC
12787	1879	10	transfer	transfer	VB
12787	1879	11	the	the	DT
12787	1879	12	precipitate	precipitate	NN
12787	1879	13	to	to	IN
12787	1879	14	the	the	DT
12787	1879	15	filter	filter	NN
12787	1879	16	,	,	,
12787	1879	17	using	use	VBG
12787	1879	18	as	as	IN
12787	1879	19	wash	wash	NN
12787	1879	20	-	-	HYPH
12787	1879	21	water	water	NN
12787	1879	22	a	a	DT
12787	1879	23	mixture	mixture	NN
12787	1879	24	of	of	IN
12787	1879	25	one	one	CD
12787	1879	26	volume	volume	NN
12787	1879	27	of	of	IN
12787	1879	28	concentrated	concentrated	JJ
12787	1879	29	ammonia	ammonia	NN
12787	1879	30	and	and	CC
12787	1879	31	three	three	CD
12787	1879	32	volumes	volume	NNS
12787	1879	33	of	of	IN
12787	1879	34	water	water	NN
12787	1879	35	.	.	.
12787	1880	1	It	-PRON-	PRP
12787	1880	2	is	be	VBZ
12787	1880	3	not	not	RB
12787	1880	4	necessary	necessary	JJ
12787	1880	5	to	to	TO
12787	1880	6	clean	clean	VB
12787	1880	7	the	the	DT
12787	1880	8	beaker	beaker	NN
12787	1880	9	completely	completely	RB
12787	1880	10	or	or	CC
12787	1880	11	to	to	TO
12787	1880	12	wash	wash	VB
12787	1880	13	the	the	DT
12787	1880	14	precipitate	precipitate	NN
12787	1880	15	thoroughly	thoroughly	RB
12787	1880	16	at	at	IN
12787	1880	17	this	this	DT
12787	1880	18	point	point	NN
12787	1880	19	,	,	,
12787	1880	20	as	as	IN
12787	1880	21	it	-PRON-	PRP
12787	1880	22	is	be	VBZ
12787	1880	23	necessary	necessary	JJ
12787	1880	24	to	to	TO
12787	1880	25	purify	purify	VB
12787	1880	26	it	-PRON-	PRP
12787	1880	27	by	by	IN
12787	1880	28	reprecipitation	reprecipitation	NN
12787	1880	29	.	.	.
12787	1881	1	[	[	-LRB-
12787	1881	2	Note	note	NN
12787	1881	3	1	1	CD
12787	1881	4	:	:	:
12787	1881	5	Magnesium	magnesium	NN
12787	1881	6	ammonium	ammonium	NN
12787	1881	7	phosphate	phosphate	NN
12787	1881	8	is	be	VBZ
12787	1881	9	not	not	RB
12787	1881	10	a	a	DT
12787	1881	11	wholly	wholly	RB
12787	1881	12	insoluble	insoluble	JJ
12787	1881	13	substance	substance	NN
12787	1881	14	,	,	,
12787	1881	15	even	even	RB
12787	1881	16	under	under	IN
12787	1881	17	the	the	DT
12787	1881	18	most	most	RBS
12787	1881	19	favorable	favorable	JJ
12787	1881	20	analytical	analytical	JJ
12787	1881	21	conditions	condition	NNS
12787	1881	22	.	.	.
12787	1882	1	It	-PRON-	PRP
12787	1882	2	is	be	VBZ
12787	1882	3	least	least	RBS
12787	1882	4	soluble	soluble	JJ
12787	1882	5	in	in	IN
12787	1882	6	a	a	DT
12787	1882	7	liquid	liquid	NN
12787	1882	8	containing	contain	VBG
12787	1882	9	one	one	CD
12787	1882	10	fourth	fourth	NN
12787	1882	11	of	of	IN
12787	1882	12	its	-PRON-	PRP$
12787	1882	13	volume	volume	NN
12787	1882	14	of	of	IN
12787	1882	15	concentrated	concentrated	JJ
12787	1882	16	aqueous	aqueous	JJ
12787	1882	17	ammonia	ammonia	NNP
12787	1882	18	(	(	-LRB-
12787	1882	19	sp	sp	NNP
12787	1882	20	.	.	.
12787	1883	1	gr	gr	NNP
12787	1883	2	.	.	.
12787	1884	1	0.90	0.90	LS
12787	1884	2	)	)	-RRB-
12787	1884	3	and	and	CC
12787	1884	4	this	this	DT
12787	1884	5	proportion	proportion	NN
12787	1884	6	should	should	MD
12787	1884	7	be	be	VB
12787	1884	8	carefully	carefully	RB
12787	1884	9	maintained	maintain	VBN
12787	1884	10	as	as	IN
12787	1884	11	prescribed	prescribe	VBN
12787	1884	12	in	in	IN
12787	1884	13	the	the	DT
12787	1884	14	procedure	procedure	NN
12787	1884	15	.	.	.
12787	1885	1	On	on	IN
12787	1885	2	account	account	NN
12787	1885	3	of	of	IN
12787	1885	4	this	this	DT
12787	1885	5	slight	slight	JJ
12787	1885	6	solubility	solubility	NN
12787	1885	7	the	the	DT
12787	1885	8	volume	volume	NN
12787	1885	9	of	of	IN
12787	1885	10	solutions	solution	NNS
12787	1885	11	should	should	MD
12787	1885	12	be	be	VB
12787	1885	13	kept	keep	VBN
12787	1885	14	as	as	RB
12787	1885	15	small	small	JJ
12787	1885	16	as	as	IN
12787	1885	17	possible	possible	JJ
12787	1885	18	and	and	CC
12787	1885	19	the	the	DT
12787	1885	20	amount	amount	NN
12787	1885	21	of	of	IN
12787	1885	22	wash	wash	NN
12787	1885	23	-	-	HYPH
12787	1885	24	water	water	NN
12787	1885	25	limited	limit	VBN
12787	1885	26	to	to	IN
12787	1885	27	that	that	DT
12787	1885	28	absolutely	absolutely	RB
12787	1885	29	required	require	VBN
12787	1885	30	.	.	.
12787	1886	1	A	a	DT
12787	1886	2	large	large	JJ
12787	1886	3	excess	excess	NN
12787	1886	4	of	of	IN
12787	1886	5	the	the	DT
12787	1886	6	magnesium	magnesium	NN
12787	1886	7	solution	solution	NN
12787	1886	8	tends	tend	VBZ
12787	1886	9	both	both	DT
12787	1886	10	to	to	TO
12787	1886	11	throw	throw	VB
12787	1886	12	out	out	RP
12787	1886	13	magnesium	magnesium	NN
12787	1886	14	hydroxide	hydroxide	NN
12787	1886	15	(	(	-LRB-
12787	1886	16	shown	show	VBN
12787	1886	17	by	by	IN
12787	1886	18	a	a	DT
12787	1886	19	persistently	persistently	RB
12787	1886	20	flocculent	flocculent	JJ
12787	1886	21	precipitate	precipitate	NN
12787	1886	22	)	)	-RRB-
12787	1886	23	and	and	CC
12787	1886	24	to	to	TO
12787	1886	25	cause	cause	VB
12787	1886	26	the	the	DT
12787	1886	27	phosphate	phosphate	NN
12787	1886	28	to	to	TO
12787	1886	29	carry	carry	VB
12787	1886	30	down	down	RP
12787	1886	31	molybdic	molybdic	JJ
12787	1886	32	acid	acid	NN
12787	1886	33	.	.	.
12787	1887	1	The	the	DT
12787	1887	2	tendency	tendency	NN
12787	1887	3	of	of	IN
12787	1887	4	the	the	DT
12787	1887	5	magnesium	magnesium	NN
12787	1887	6	precipitate	precipitate	NN
12787	1887	7	to	to	TO
12787	1887	8	carry	carry	VB
12787	1887	9	down	down	RP
12787	1887	10	molybdic	molybdic	JJ
12787	1887	11	acid	acid	NN
12787	1887	12	is	be	VBZ
12787	1887	13	also	also	RB
12787	1887	14	increased	increase	VBN
12787	1887	15	if	if	IN
12787	1887	16	the	the	DT
12787	1887	17	solution	solution	NN
12787	1887	18	is	be	VBZ
12787	1887	19	too	too	RB
12787	1887	20	concentrated	concentrated	JJ
12787	1887	21	.	.	.
12787	1888	1	The	the	DT
12787	1888	2	volume	volume	NN
12787	1888	3	should	should	MD
12787	1888	4	not	not	RB
12787	1888	5	be	be	VB
12787	1888	6	less	less	JJR
12787	1888	7	than	than	IN
12787	1888	8	90	90	CD
12787	1888	9	cc	cc	NN
12787	1888	10	.	.	NN
12787	1888	11	,	,	,
12787	1888	12	nor	nor	CC
12787	1888	13	more	more	JJR
12787	1888	14	than	than	IN
12787	1888	15	125	125	CD
12787	1888	16	cc	cc	NNP
12787	1888	17	.	.	NNP
12787	1888	18	,	,	,
12787	1888	19	at	at	IN
12787	1888	20	the	the	DT
12787	1888	21	time	time	NN
12787	1888	22	of	of	IN
12787	1888	23	the	the	DT
12787	1888	24	first	first	JJ
12787	1888	25	precipitation	precipitation	NN
12787	1888	26	with	with	IN
12787	1888	27	the	the	DT
12787	1888	28	magnesia	magnesia	NNP
12787	1888	29	mixture	mixture	NN
12787	1888	30	.	.	.
12787	1888	31	]	]	-RRB-
12787	1889	1	[	[	-LRB-
12787	1889	2	Note	note	NN
12787	1889	3	2	2	CD
12787	1889	4	:	:	:
12787	1889	5	The	the	DT
12787	1889	6	magnesium	magnesium	NN
12787	1889	7	ammonium	ammonium	NN
12787	1889	8	phosphate	phosphate	NN
12787	1889	9	should	should	MD
12787	1889	10	be	be	VB
12787	1889	11	perfectly	perfectly	RB
12787	1889	12	crystalline	crystalline	JJ
12787	1889	13	,	,	,
12787	1889	14	and	and	CC
12787	1889	15	will	will	MD
12787	1889	16	be	be	VB
12787	1889	17	so	so	RB
12787	1889	18	if	if	IN
12787	1889	19	the	the	DT
12787	1889	20	directions	direction	NNS
12787	1889	21	are	be	VBP
12787	1889	22	followed	follow	VBN
12787	1889	23	.	.	.
12787	1890	1	The	the	DT
12787	1890	2	slow	slow	JJ
12787	1890	3	addition	addition	NN
12787	1890	4	of	of	IN
12787	1890	5	the	the	DT
12787	1890	6	reagent	reagent	NN
12787	1890	7	is	be	VBZ
12787	1890	8	essential	essential	JJ
12787	1890	9	,	,	,
12787	1890	10	and	and	CC
12787	1890	11	the	the	DT
12787	1890	12	stirring	stirring	NN
12787	1890	13	not	not	RB
12787	1890	14	less	less	RBR
12787	1890	15	so	so	RB
12787	1890	16	.	.	.
12787	1891	1	Stirring	stir	VBG
12787	1891	2	promotes	promote	VBZ
12787	1891	3	the	the	DT
12787	1891	4	separation	separation	NN
12787	1891	5	of	of	IN
12787	1891	6	the	the	DT
12787	1891	7	precipitate	precipitate	NN
12787	1891	8	and	and	CC
12787	1891	9	the	the	DT
12787	1891	10	formation	formation	NN
12787	1891	11	of	of	IN
12787	1891	12	larger	large	JJR
12787	1891	13	crystals	crystal	NNS
12787	1891	14	,	,	,
12787	1891	15	and	and	CC
12787	1891	16	may	may	MD
12787	1891	17	therefore	therefore	RB
12787	1891	18	be	be	VB
12787	1891	19	substituted	substitute	VBN
12787	1891	20	for	for	IN
12787	1891	21	digestion	digestion	NN
12787	1891	22	in	in	IN
12787	1891	23	the	the	DT
12787	1891	24	cold	cold	NN
12787	1891	25	.	.	.
12787	1892	1	The	the	DT
12787	1892	2	stirring	stirring	JJ
12787	1892	3	-	-	HYPH
12787	1892	4	rod	rod	NN
12787	1892	5	must	must	MD
12787	1892	6	not	not	RB
12787	1892	7	be	be	VB
12787	1892	8	allowed	allow	VBN
12787	1892	9	to	to	TO
12787	1892	10	scratch	scratch	VB
12787	1892	11	the	the	DT
12787	1892	12	glass	glass	NN
12787	1892	13	,	,	,
12787	1892	14	as	as	IN
12787	1892	15	the	the	DT
12787	1892	16	crystals	crystal	NNS
12787	1892	17	adhere	adhere	VBP
12787	1892	18	to	to	IN
12787	1892	19	such	such	JJ
12787	1892	20	scratches	scratch	NNS
12787	1892	21	and	and	CC
12787	1892	22	are	be	VBP
12787	1892	23	removed	remove	VBN
12787	1892	24	with	with	IN
12787	1892	25	difficulty	difficulty	NN
12787	1892	26	.	.	.
12787	1892	27	]	]	-RRB-
12787	1893	1	REPRECIPITATION	reprecipitation	NN
12787	1893	2	AND	and	CC
12787	1893	3	IGNITION	ignition	NN
12787	1893	4	OF	of	IN
12787	1893	5	MAGNESIUM	MAGNESIUM	NNP
12787	1893	6	AMMONIUM	AMMONIUM	NNP
12787	1893	7	PHOSPHATE	PHOSPHATE	NNP
12787	1893	8	A	a	DT
12787	1893	9	single	single	JJ
12787	1893	10	precipitation	precipitation	NN
12787	1893	11	of	of	IN
12787	1893	12	the	the	DT
12787	1893	13	magnesium	magnesium	JJ
12787	1893	14	compound	compound	NN
12787	1893	15	in	in	IN
12787	1893	16	the	the	DT
12787	1893	17	presence	presence	NN
12787	1893	18	of	of	IN
12787	1893	19	molybdenum	molybdenum	JJ
12787	1893	20	compounds	compound	NNS
12787	1893	21	rarely	rarely	RB
12787	1893	22	yields	yield	VBZ
12787	1893	23	a	a	DT
12787	1893	24	pure	pure	JJ
12787	1893	25	product	product	NN
12787	1893	26	.	.	.
12787	1894	1	The	the	DT
12787	1894	2	molybdenum	molybdenum	NN
12787	1894	3	can	can	MD
12787	1894	4	be	be	VB
12787	1894	5	removed	remove	VBN
12787	1894	6	by	by	IN
12787	1894	7	solution	solution	NN
12787	1894	8	of	of	IN
12787	1894	9	the	the	DT
12787	1894	10	precipitate	precipitate	NN
12787	1894	11	in	in	IN
12787	1894	12	acid	acid	NN
12787	1894	13	and	and	CC
12787	1894	14	precipitation	precipitation	NN
12787	1894	15	of	of	IN
12787	1894	16	the	the	DT
12787	1894	17	molybdenum	molybdenum	NN
12787	1894	18	by	by	IN
12787	1894	19	sulphureted	sulphurete	VBN
12787	1894	20	hydrogen	hydrogen	NN
12787	1894	21	,	,	,
12787	1894	22	after	after	IN
12787	1894	23	which	which	WDT
12787	1894	24	the	the	DT
12787	1894	25	magnesium	magnesium	NN
12787	1894	26	precipitate	precipitate	NN
12787	1894	27	may	may	MD
12787	1894	28	be	be	VB
12787	1894	29	again	again	RB
12787	1894	30	thrown	throw	VBN
12787	1894	31	down	down	RP
12787	1894	32	.	.	.
12787	1895	1	It	-PRON-	PRP
12787	1895	2	is	be	VBZ
12787	1895	3	usually	usually	RB
12787	1895	4	more	more	RBR
12787	1895	5	satisfactory	satisfactory	JJ
12787	1895	6	to	to	TO
12787	1895	7	dissolve	dissolve	VB
12787	1895	8	the	the	DT
12787	1895	9	magnesium	magnesium	NN
12787	1895	10	precipitate	precipitate	NN
12787	1895	11	and	and	CC
12787	1895	12	reprecipitate	reprecipitate	VB
12787	1895	13	the	the	DT
12787	1895	14	phosphate	phosphate	NN
12787	1895	15	as	as	IN
12787	1895	16	magnesium	magnesium	NN
12787	1895	17	ammonium	ammonium	NN
12787	1895	18	phosphate	phosphate	NN
12787	1895	19	as	as	IN
12787	1895	20	described	describe	VBN
12787	1895	21	below	below	RB
12787	1895	22	.	.	.
12787	1896	1	PROCEDURE.--Dissolve	procedure.--dissolve	VB
12787	1896	2	the	the	DT
12787	1896	3	precipitate	precipitate	NN
12787	1896	4	from	from	IN
12787	1896	5	the	the	DT
12787	1896	6	filter	filter	NN
12787	1896	7	in	in	IN
12787	1896	8	a	a	DT
12787	1896	9	little	little	JJ
12787	1896	10	dilute	dilute	JJ
12787	1896	11	hydrochloric	hydrochloric	NN
12787	1896	12	acid	acid	NN
12787	1896	13	(	(	-LRB-
12787	1896	14	sp	sp	NNP
12787	1896	15	.	.	.
12787	1897	1	gr	gr	NNP
12787	1897	2	.	.	.
12787	1898	1	1.12	1.12	CD
12787	1898	2	)	)	-RRB-
12787	1898	3	,	,	,
12787	1898	4	allowing	allow	VBG
12787	1898	5	the	the	DT
12787	1898	6	acid	acid	NN
12787	1898	7	solution	solution	NN
12787	1898	8	to	to	TO
12787	1898	9	run	run	VB
12787	1898	10	into	into	IN
12787	1898	11	the	the	DT
12787	1898	12	beaker	beaker	NN
12787	1898	13	in	in	IN
12787	1898	14	which	which	WDT
12787	1898	15	the	the	DT
12787	1898	16	original	original	JJ
12787	1898	17	precipitation	precipitation	NN
12787	1898	18	was	be	VBD
12787	1898	19	made	make	VBN
12787	1898	20	(	(	-LRB-
12787	1898	21	Note	note	NN
12787	1898	22	1	1	CD
12787	1898	23	)	)	-RRB-
12787	1898	24	.	.	.
12787	1899	1	Wash	wash	VB
12787	1899	2	the	the	DT
12787	1899	3	filter	filter	NN
12787	1899	4	with	with	IN
12787	1899	5	water	water	NN
12787	1899	6	until	until	IN
12787	1899	7	the	the	DT
12787	1899	8	wash	wash	NN
12787	1899	9	-	-	HYPH
12787	1899	10	water	water	NN
12787	1899	11	shows	show	NNS
12787	1899	12	no	no	DT
12787	1899	13	test	test	NN
12787	1899	14	for	for	IN
12787	1899	15	chlorides	chloride	NNS
12787	1899	16	,	,	,
12787	1899	17	but	but	CC
12787	1899	18	avoid	avoid	VB
12787	1899	19	an	an	DT
12787	1899	20	unnecessary	unnecessary	JJ
12787	1899	21	amount	amount	NN
12787	1899	22	of	of	IN
12787	1899	23	wash	wash	NN
12787	1899	24	-	-	HYPH
12787	1899	25	water	water	NN
12787	1899	26	.	.	.
12787	1900	1	Add	add	VB
12787	1900	2	to	to	IN
12787	1900	3	the	the	DT
12787	1900	4	solution	solution	NN
12787	1900	5	2	2	CD
12787	1900	6	cc	cc	NN
12787	1900	7	.	.	.
12787	1901	1	(	(	-LRB-
12787	1901	2	not	not	RB
12787	1901	3	more	more	JJR
12787	1901	4	)	)	-RRB-
12787	1901	5	of	of	IN
12787	1901	6	magnesia	magnesia	NNP
12787	1901	7	mixture	mixture	NN
12787	1901	8	,	,	,
12787	1901	9	and	and	CC
12787	1901	10	then	then	RB
12787	1901	11	dilute	dilute	VB
12787	1901	12	ammonium	ammonium	NN
12787	1901	13	hydroxide	hydroxide	NNP
12787	1901	14	solution	solution	NNP
12787	1901	15	(	(	-LRB-
12787	1901	16	sp	sp	NN
12787	1901	17	.	.	.
12787	1902	1	gr	gr	NNP
12787	1902	2	.	.	.
12787	1903	1	0.96	0.96	LS
12787	1903	2	)	)	-RRB-
12787	1903	3	,	,	,
12787	1903	4	drop	drop	VB
12787	1903	5	by	by	IN
12787	1903	6	drop	drop	NN
12787	1903	7	,	,	,
12787	1903	8	with	with	IN
12787	1903	9	constant	constant	JJ
12787	1903	10	stirring	stirring	NN
12787	1903	11	,	,	,
12787	1903	12	until	until	IN
12787	1903	13	the	the	DT
12787	1903	14	liquid	liquid	NN
12787	1903	15	smells	smell	VBZ
12787	1903	16	distinctly	distinctly	RB
12787	1903	17	of	of	IN
12787	1903	18	ammonia	ammonia	NN
12787	1903	19	.	.	.
12787	1904	1	Stir	stir	VB
12787	1904	2	for	for	IN
12787	1904	3	a	a	DT
12787	1904	4	few	few	JJ
12787	1904	5	moments	moment	NNS
12787	1904	6	and	and	CC
12787	1904	7	then	then	RB
12787	1904	8	add	add	VB
12787	1904	9	a	a	DT
12787	1904	10	volume	volume	NN
12787	1904	11	of	of	IN
12787	1904	12	strong	strong	JJ
12787	1904	13	ammonia	ammonia	NNP
12787	1904	14	(	(	-LRB-
12787	1904	15	sp	sp	NNP
12787	1904	16	.	.	.
12787	1905	1	gr	gr	NNP
12787	1905	2	.	.	.
12787	1906	1	0.90	0.90	LS
12787	1906	2	)	)	-RRB-
12787	1906	3	,	,	,
12787	1906	4	equal	equal	JJ
12787	1906	5	to	to	IN
12787	1906	6	one	one	CD
12787	1906	7	third	third	NN
12787	1906	8	of	of	IN
12787	1906	9	the	the	DT
12787	1906	10	volume	volume	NN
12787	1906	11	of	of	IN
12787	1906	12	the	the	DT
12787	1906	13	solution	solution	NN
12787	1906	14	.	.	.
12787	1907	1	Allow	allow	VB
12787	1907	2	the	the	DT
12787	1907	3	solution	solution	NN
12787	1907	4	to	to	TO
12787	1907	5	stand	stand	VB
12787	1907	6	for	for	IN
12787	1907	7	some	some	DT
12787	1907	8	hours	hour	NNS
12787	1907	9	,	,	,
12787	1907	10	and	and	CC
12787	1907	11	then	then	RB
12787	1907	12	filter	filter	VB
12787	1907	13	off	off	RP
12787	1907	14	the	the	DT
12787	1907	15	magnesium	magnesium	NNP
12787	1907	16	ammonium	ammonium	NN
12787	1907	17	phosphate	phosphate	NN
12787	1907	18	,	,	,
12787	1907	19	which	which	WDT
12787	1907	20	should	should	MD
12787	1907	21	be	be	VB
12787	1907	22	distinctly	distinctly	RB
12787	1907	23	crystalline	crystalline	JJ
12787	1907	24	in	in	IN
12787	1907	25	character	character	NN
12787	1907	26	.	.	.
12787	1908	1	Wash	wash	VB
12787	1908	2	the	the	DT
12787	1908	3	precipitate	precipitate	NN
12787	1908	4	with	with	IN
12787	1908	5	dilute	dilute	NNP
12787	1908	6	ammonia	ammonia	NNP
12787	1908	7	water	water	NN
12787	1908	8	,	,	,
12787	1908	9	as	as	IN
12787	1908	10	prescribed	prescribe	VBN
12787	1908	11	above	above	RB
12787	1908	12	,	,	,
12787	1908	13	until	until	IN
12787	1908	14	,	,	,
12787	1908	15	finally	finally	RB
12787	1908	16	,	,	,
12787	1908	17	3	3	CD
12787	1908	18	cc	cc	NN
12787	1908	19	.	.	.
12787	1909	1	of	of	IN
12787	1909	2	the	the	DT
12787	1909	3	washings	washing	NNS
12787	1909	4	,	,	,
12787	1909	5	after	after	IN
12787	1909	6	acidifying	acidify	VBG
12787	1909	7	with	with	IN
12787	1909	8	nitric	nitric	JJ
12787	1909	9	acid	acid	NN
12787	1909	10	,	,	,
12787	1909	11	show	show	VBP
12787	1909	12	no	no	DT
12787	1909	13	evidence	evidence	NN
12787	1909	14	of	of	IN
12787	1909	15	chlorides	chloride	NNS
12787	1909	16	.	.	.
12787	1910	1	Test	test	VB
12787	1910	2	both	both	DT
12787	1910	3	filtrates	filtrate	VBZ
12787	1910	4	for	for	IN
12787	1910	5	complete	complete	JJ
12787	1910	6	precipitation	precipitation	NN
12787	1910	7	by	by	IN
12787	1910	8	adding	add	VBG
12787	1910	9	a	a	DT
12787	1910	10	few	few	JJ
12787	1910	11	cubic	cubic	JJ
12787	1910	12	centimeters	centimeter	NNS
12787	1910	13	of	of	IN
12787	1910	14	magnesia	magnesia	NNP
12787	1910	15	mixture	mixture	NN
12787	1910	16	and	and	CC
12787	1910	17	allowing	allow	VBG
12787	1910	18	them	-PRON-	PRP
12787	1910	19	to	to	TO
12787	1910	20	stand	stand	VB
12787	1910	21	for	for	IN
12787	1910	22	some	some	DT
12787	1910	23	time	time	NN
12787	1910	24	.	.	.
12787	1911	1	Transfer	transfer	VB
12787	1911	2	the	the	DT
12787	1911	3	moist	moist	NN
12787	1911	4	precipitate	precipitate	NN
12787	1911	5	to	to	IN
12787	1911	6	a	a	DT
12787	1911	7	weighed	weigh	VBN
12787	1911	8	porcelain	porcelain	NN
12787	1911	9	or	or	CC
12787	1911	10	platinum	platinum	NN
12787	1911	11	crucible	crucible	JJ
12787	1911	12	and	and	CC
12787	1911	13	ignite	ignite	VB
12787	1911	14	,	,	,
12787	1911	15	using	use	VBG
12787	1911	16	great	great	JJ
12787	1911	17	care	care	NN
12787	1911	18	to	to	TO
12787	1911	19	raise	raise	VB
12787	1911	20	the	the	DT
12787	1911	21	temperature	temperature	NN
12787	1911	22	slowly	slowly	RB
12787	1911	23	while	while	IN
12787	1911	24	drying	dry	VBG
12787	1911	25	the	the	DT
12787	1911	26	filter	filter	NN
12787	1911	27	in	in	IN
12787	1911	28	the	the	DT
12787	1911	29	crucible	crucible	NN
12787	1911	30	,	,	,
12787	1911	31	and	and	CC
12787	1911	32	to	to	TO
12787	1911	33	insure	insure	VB
12787	1911	34	the	the	DT
12787	1911	35	ready	ready	JJ
12787	1911	36	access	access	NN
12787	1911	37	of	of	IN
12787	1911	38	oxygen	oxygen	NN
12787	1911	39	during	during	IN
12787	1911	40	the	the	DT
12787	1911	41	combustion	combustion	NN
12787	1911	42	of	of	IN
12787	1911	43	the	the	DT
12787	1911	44	filter	filter	NN
12787	1911	45	paper	paper	NN
12787	1911	46	,	,	,
12787	1911	47	thus	thus	RB
12787	1911	48	guarding	guard	VBG
12787	1911	49	against	against	IN
12787	1911	50	a	a	DT
12787	1911	51	possible	possible	JJ
12787	1911	52	reduction	reduction	NN
12787	1911	53	of	of	IN
12787	1911	54	the	the	DT
12787	1911	55	phosphate	phosphate	NN
12787	1911	56	,	,	,
12787	1911	57	which	which	WDT
12787	1911	58	would	would	MD
12787	1911	59	result	result	VB
12787	1911	60	in	in	IN
12787	1911	61	disastrous	disastrous	JJ
12787	1911	62	consequences	consequence	NNS
12787	1911	63	both	both	DT
12787	1911	64	to	to	IN
12787	1911	65	the	the	DT
12787	1911	66	crucible	crucible	NN
12787	1911	67	,	,	,
12787	1911	68	if	if	IN
12787	1911	69	of	of	IN
12787	1911	70	platinum	platinum	NN
12787	1911	71	,	,	,
12787	1911	72	and	and	CC
12787	1911	73	the	the	DT
12787	1911	74	analysis	analysis	NN
12787	1911	75	.	.	.
12787	1912	1	Do	do	VB
12787	1912	2	not	not	RB
12787	1912	3	raise	raise	VB
12787	1912	4	the	the	DT
12787	1912	5	temperature	temperature	NN
12787	1912	6	above	above	IN
12787	1912	7	moderate	moderate	JJ
12787	1912	8	redness	redness	NN
12787	1912	9	until	until	IN
12787	1912	10	the	the	DT
12787	1912	11	precipitate	precipitate	NN
12787	1912	12	is	be	VBZ
12787	1912	13	white	white	JJ
12787	1912	14	.	.	.
12787	1913	1	(	(	-LRB-
12787	1913	2	Keep	keep	VB
12787	1913	3	this	this	DT
12787	1913	4	precaution	precaution	NN
12787	1913	5	well	well	RB
12787	1913	6	in	in	IN
12787	1913	7	mind	mind	NN
12787	1913	8	.	.	.
12787	1913	9	)	)	-RRB-
12787	1914	1	Ignite	ignite	VB
12787	1914	2	finally	finally	RB
12787	1914	3	at	at	IN
12787	1914	4	the	the	DT
12787	1914	5	highest	high	JJS
12787	1914	6	temperature	temperature	NN
12787	1914	7	of	of	IN
12787	1914	8	the	the	DT
12787	1914	9	Tirrill	Tirrill	NNP
12787	1914	10	burner	burner	NN
12787	1914	11	,	,	,
12787	1914	12	and	and	CC
12787	1914	13	repeat	repeat	VB
12787	1914	14	the	the	DT
12787	1914	15	heating	heating	NN
12787	1914	16	until	until	IN
12787	1914	17	the	the	DT
12787	1914	18	weight	weight	NN
12787	1914	19	is	be	VBZ
12787	1914	20	constant	constant	JJ
12787	1914	21	.	.	.
12787	1915	1	If	if	IN
12787	1915	2	the	the	DT
12787	1915	3	ignited	ignited	JJ
12787	1915	4	precipitate	precipitate	NN
12787	1915	5	is	be	VBZ
12787	1915	6	persistently	persistently	RB
12787	1915	7	discolored	discolor	VBN
12787	1915	8	by	by	IN
12787	1915	9	particles	particle	NNS
12787	1915	10	of	of	IN
12787	1915	11	unburned	unburned	JJ
12787	1915	12	carbon	carbon	NN
12787	1915	13	,	,	,
12787	1915	14	moisten	moisten	VB
12787	1915	15	the	the	DT
12787	1915	16	mass	mass	NN
12787	1915	17	with	with	IN
12787	1915	18	a	a	DT
12787	1915	19	drop	drop	NN
12787	1915	20	or	or	CC
12787	1915	21	two	two	CD
12787	1915	22	of	of	IN
12787	1915	23	concentrated	concentrated	JJ
12787	1915	24	nitric	nitric	JJ
12787	1915	25	acid	acid	NN
12787	1915	26	and	and	CC
12787	1915	27	heat	heat	NN
12787	1915	28	cautiously	cautiously	RB
12787	1915	29	,	,	,
12787	1915	30	finally	finally	RB
12787	1915	31	igniting	ignite	VBG
12787	1915	32	strongly	strongly	RB
12787	1915	33	.	.	.
12787	1916	1	The	the	DT
12787	1916	2	acid	acid	NN
12787	1916	3	will	will	MD
12787	1916	4	dissolve	dissolve	VB
12787	1916	5	magnesium	magnesium	NN
12787	1916	6	pyrophosphate	pyrophosphate	NN
12787	1916	7	from	from	IN
12787	1916	8	the	the	DT
12787	1916	9	surface	surface	NN
12787	1916	10	of	of	IN
12787	1916	11	the	the	DT
12787	1916	12	particles	particle	NNS
12787	1916	13	of	of	IN
12787	1916	14	carbon	carbon	NN
12787	1916	15	,	,	,
12787	1916	16	which	which	WDT
12787	1916	17	will	will	MD
12787	1916	18	then	then	RB
12787	1916	19	burn	burn	VB
12787	1916	20	away	away	RB
12787	1916	21	.	.	.
12787	1917	1	Nitric	nitric	JJ
12787	1917	2	acid	acid	NN
12787	1917	3	also	also	RB
12787	1917	4	aids	aid	VBZ
12787	1917	5	as	as	IN
12787	1917	6	an	an	DT
12787	1917	7	oxidizing	oxidizing	JJ
12787	1917	8	agent	agent	NN
12787	1917	9	in	in	IN
12787	1917	10	supplying	supply	VBG
12787	1917	11	oxygen	oxygen	NN
12787	1917	12	for	for	IN
12787	1917	13	the	the	DT
12787	1917	14	combustion	combustion	NN
12787	1917	15	of	of	IN
12787	1917	16	the	the	DT
12787	1917	17	carbon	carbon	NN
12787	1917	18	.	.	.
12787	1918	1	From	from	IN
12787	1918	2	the	the	DT
12787	1918	3	weight	weight	NN
12787	1918	4	of	of	IN
12787	1918	5	magnesium	magnesium	NNP
12787	1918	6	pyrophosphate	pyrophosphate	NN
12787	1918	7	(	(	-LRB-
12787	1918	8	Mg_{2}P_{2}O_{7	Mg_{2}P_{2}O_{7	NNP
12787	1918	9	}	}	-RRB-
12787	1918	10	)	)	-RRB-
12787	1918	11	obtained	obtain	VBN
12787	1918	12	,	,	,
12787	1918	13	calculate	calculate	VB
12787	1918	14	the	the	DT
12787	1918	15	phosphoric	phosphoric	NN
12787	1918	16	anhydride	anhydride	NN
12787	1918	17	(	(	-LRB-
12787	1918	18	P_{2}O_{5	P_{2}O_{5	NNP
12787	1918	19	}	}	-RRB-
12787	1918	20	)	)	-RRB-
12787	1918	21	in	in	IN
12787	1918	22	the	the	DT
12787	1918	23	sample	sample	NN
12787	1918	24	of	of	IN
12787	1918	25	apatite	apatite	NNP
12787	1918	26	.	.	.
12787	1919	1	[	[	-LRB-
12787	1919	2	Note	note	NN
12787	1919	3	1	1	CD
12787	1919	4	:	:	:
12787	1919	5	The	the	DT
12787	1919	6	ionic	ionic	JJ
12787	1919	7	change	change	NN
12787	1919	8	involved	involve	VBN
12787	1919	9	in	in	IN
12787	1919	10	the	the	DT
12787	1919	11	precipitation	precipitation	NN
12787	1919	12	of	of	IN
12787	1919	13	the	the	DT
12787	1919	14	magnesium	magnesium	NN
12787	1919	15	compound	compound	NN
12787	1919	16	is	be	VBZ
12787	1919	17	PO_{4}^{---	po_{4}^{---	NN
12787	1919	18	}	}	-RRB-
12787	1919	19	+	+	NNP
12787	1919	20	NH_{4}^{+	NH_{4}^{+	NNP
12787	1919	21	}	}	-RRB-
12787	1919	22	+	+	CC
12787	1919	23	Mg^{++	Mg^{++	NNP
12787	1919	24	}	}	-RRB-
12787	1919	25	--	--	:
12787	1919	26	>	>	XX
12787	1919	27	[	[	-LRB-
12787	1919	28	MgNH_{4}PO_{4	MgNH_{4}PO_{4	NNP
12787	1919	29	}	}	-RRB-
12787	1919	30	]	]	-RRB-
12787	1919	31	.	.	.
12787	1920	1	The	the	DT
12787	1920	2	magnesium	magnesium	NN
12787	1920	3	ammonium	ammonium	NN
12787	1920	4	phosphate	phosphate	NN
12787	1920	5	is	be	VBZ
12787	1920	6	readily	readily	RB
12787	1920	7	dissolved	dissolve	VBN
12787	1920	8	by	by	IN
12787	1920	9	acids	acid	NNS
12787	1920	10	,	,	,
12787	1920	11	even	even	RB
12787	1920	12	those	those	DT
12787	1920	13	which	which	WDT
12787	1920	14	are	be	VBP
12787	1920	15	no	no	RB
12787	1920	16	stronger	strong	JJR
12787	1920	17	than	than	IN
12787	1920	18	acetic	acetic	JJ
12787	1920	19	acid	acid	NN
12787	1920	20	.	.	.
12787	1921	1	This	this	DT
12787	1921	2	is	be	VBZ
12787	1921	3	accounted	account	VBN
12787	1921	4	for	for	IN
12787	1921	5	by	by	IN
12787	1921	6	the	the	DT
12787	1921	7	fact	fact	NN
12787	1921	8	that	that	IN
12787	1921	9	two	two	CD
12787	1921	10	of	of	IN
12787	1921	11	the	the	DT
12787	1921	12	ions	ion	NNS
12787	1921	13	into	into	IN
12787	1921	14	which	which	WDT
12787	1921	15	phosphoric	phosphoric	NN
12787	1921	16	acid	acid	NN
12787	1921	17	may	may	MD
12787	1921	18	dissociate	dissociate	VB
12787	1921	19	,	,	,
12787	1921	20	the	the	DT
12787	1921	21	HPO_{4}^{--	hpo_{4}^{--	NN
12787	1921	22	}	}	-RRB-
12787	1921	23	or	or	CC
12787	1921	24	H_{2}PO_{4}^{-	h_{2}po_{4}^{-	VB
12787	1921	25	}	}	-RRB-
12787	1921	26	ions	ion	NNS
12787	1921	27	,	,	,
12787	1921	28	exhibit	exhibit	VB
12787	1921	29	the	the	DT
12787	1921	30	characteristics	characteristic	NNS
12787	1921	31	of	of	IN
12787	1921	32	very	very	RB
12787	1921	33	weak	weak	JJ
12787	1921	34	acids	acid	NNS
12787	1921	35	,	,	,
12787	1921	36	in	in	IN
12787	1921	37	that	that	IN
12787	1921	38	they	-PRON-	PRP
12787	1921	39	show	show	VBP
12787	1921	40	almost	almost	RB
12787	1921	41	no	no	DT
12787	1921	42	tendency	tendency	NN
12787	1921	43	to	to	TO
12787	1921	44	dissociate	dissociate	VB
12787	1921	45	further	further	RB
12787	1921	46	into	into	IN
12787	1921	47	H^{+	H^{+	NNP
12787	1921	48	}	}	-RRB-
12787	1921	49	and	and	CC
12787	1921	50	PO_{4}^{--	PO_{4}^{--	NNP
12787	1921	51	}	}	-RRB-
12787	1921	52	ions	ion	NNS
12787	1921	53	.	.	.
12787	1922	1	Consequently	consequently	RB
12787	1922	2	the	the	DT
12787	1922	3	ionic	ionic	JJ
12787	1922	4	changes	change	NNS
12787	1922	5	which	which	WDT
12787	1922	6	occur	occur	VBP
12787	1922	7	when	when	WRB
12787	1922	8	the	the	DT
12787	1922	9	magnesium	magnesium	NN
12787	1922	10	ammonium	ammonium	NN
12787	1922	11	phosphate	phosphate	NN
12787	1922	12	is	be	VBZ
12787	1922	13	brought	bring	VBN
12787	1922	14	into	into	IN
12787	1922	15	contact	contact	NN
12787	1922	16	with	with	IN
12787	1922	17	an	an	DT
12787	1922	18	acid	acid	NN
12787	1922	19	may	may	MD
12787	1922	20	be	be	VB
12787	1922	21	typified	typify	VBN
12787	1922	22	by	by	IN
12787	1922	23	the	the	DT
12787	1922	24	reaction	reaction	NN
12787	1922	25	:	:	:
12787	1922	26	H^{+	H^{+	NNP
12787	1922	27	}	}	-RRB-
12787	1922	28	+	+	CC
12787	1922	29	Mg^{++	Mg^{++	NNP
12787	1922	30	}	}	-RRB-
12787	1922	31	+	+	NFP
12787	1922	32	NH_{4}^{+	NH_{4}^{+	NNP
12787	1922	33	}	}	-RRB-
12787	1922	34	+	+	CC
12787	1922	35	PO_{4}^{---	po_{4}^{---	NN
12787	1922	36	}	}	-RRB-
12787	1922	37	--	--	:
12787	1922	38	>	>	XX
12787	1922	39	Mg^{++	Mg^{++	NNP
12787	1922	40	}	}	-RRB-
12787	1922	41	+	+	SYM
12787	1922	42	NH_{4}^{+	NH_{4}^{+	NNP
12787	1922	43	}	}	-RRB-
12787	1922	44	+	+	CC
12787	1922	45	HPO_{4}^{--	hpo_{4}^{--	NN
12787	1922	46	}	}	-RRB-
12787	1922	47	;	;	:
12787	1922	48	that	that	RB
12787	1922	49	is	is	RB
12787	1922	50	,	,	,
12787	1922	51	the	the	DT
12787	1922	52	PO_{4}^{--	po_{4}^{--	NN
12787	1922	53	}	}	-RRB-
12787	1922	54	ions	ion	NNS
12787	1922	55	and	and	CC
12787	1922	56	the	the	DT
12787	1922	57	H^{+	H^{+	NNP
12787	1922	58	}	}	-RRB-
12787	1922	59	ions	ion	NNS
12787	1922	60	lose	lose	VBP
12787	1922	61	their	-PRON-	PRP$
12787	1922	62	identity	identity	NN
12787	1922	63	in	in	IN
12787	1922	64	the	the	DT
12787	1922	65	formation	formation	NN
12787	1922	66	of	of	IN
12787	1922	67	the	the	DT
12787	1922	68	new	new	JJ
12787	1922	69	ion	ion	NN
12787	1922	70	,	,	,
12787	1922	71	HPO_{4}^{--	hpo_{4}^{--	LS
12787	1922	72	}	}	-RRB-
12787	1922	73	,	,	,
12787	1922	74	and	and	CC
12787	1922	75	this	this	DT
12787	1922	76	continues	continue	VBZ
12787	1922	77	until	until	IN
12787	1922	78	the	the	DT
12787	1922	79	magnesium	magnesium	NNP
12787	1922	80	ammonium	ammonium	NN
12787	1922	81	phosphate	phosphate	NN
12787	1922	82	is	be	VBZ
12787	1922	83	entirely	entirely	RB
12787	1922	84	dissolved	dissolve	VBN
12787	1922	85	.	.	.
12787	1922	86	]	]	-RRB-
12787	1923	1	[	[	-LRB-
12787	1923	2	Note	note	NN
12787	1923	3	2	2	CD
12787	1923	4	:	:	:
12787	1923	5	During	during	IN
12787	1923	6	ignition	ignition	NN
12787	1923	7	the	the	DT
12787	1923	8	magnesium	magnesium	NN
12787	1923	9	ammonium	ammonium	NN
12787	1923	10	phosphate	phosphate	NN
12787	1923	11	loses	lose	VBZ
12787	1923	12	ammonia	ammonia	NN
12787	1923	13	and	and	CC
12787	1923	14	water	water	NN
12787	1923	15	and	and	CC
12787	1923	16	is	be	VBZ
12787	1923	17	converted	convert	VBN
12787	1923	18	into	into	IN
12787	1923	19	magnesium	magnesium	JJ
12787	1923	20	pyrophosphate	pyrophosphate	NN
12787	1923	21	:	:	:
12787	1923	22	2MgNH_{4}PO_{4	2mgnh_{4}po_{4	LS
12787	1923	23	}	}	-RRB-
12787	1923	24	--	--	:
12787	1923	25	>	>	XX
12787	1923	26	Mg_{2}P_{2}O_{7	mg_{2}p_{2}o_{7	NN
12787	1923	27	}	}	-RRB-
12787	1923	28	+	+	NNP
12787	1923	29	2NH_{3	2nh_{3	CD
12787	1923	30	}	}	-RRB-
12787	1923	31	+	+	CC
12787	1923	32	H_{2}O.	h_{2}o.	ADD
12787	1924	1	The	the	DT
12787	1924	2	precautions	precaution	NNS
12787	1924	3	mentioned	mention	VBD
12787	1924	4	on	on	IN
12787	1924	5	pages	page	NNS
12787	1924	6	111	111	CD
12787	1924	7	and	and	CC
12787	1924	8	123	123	CD
12787	1924	9	must	must	MD
12787	1924	10	be	be	VB
12787	1924	11	observed	observe	VBN
12787	1924	12	with	with	IN
12787	1924	13	great	great	JJ
12787	1924	14	care	care	NN
12787	1924	15	during	during	IN
12787	1924	16	the	the	DT
12787	1924	17	ignition	ignition	NN
12787	1924	18	of	of	IN
12787	1924	19	this	this	DT
12787	1924	20	precipitate	precipitate	NN
12787	1924	21	.	.	.
12787	1925	1	The	the	DT
12787	1925	2	danger	danger	NN
12787	1925	3	here	here	RB
12787	1925	4	lies	lie	VBZ
12787	1925	5	in	in	IN
12787	1925	6	a	a	DT
12787	1925	7	possible	possible	JJ
12787	1925	8	reduction	reduction	NN
12787	1925	9	of	of	IN
12787	1925	10	the	the	DT
12787	1925	11	phosphate	phosphate	NN
12787	1925	12	by	by	IN
12787	1925	13	the	the	DT
12787	1925	14	carbon	carbon	NN
12787	1925	15	of	of	IN
12787	1925	16	the	the	DT
12787	1925	17	filter	filter	NN
12787	1925	18	paper	paper	NN
12787	1925	19	,	,	,
12787	1925	20	or	or	CC
12787	1925	21	by	by	IN
12787	1925	22	the	the	DT
12787	1925	23	ammonia	ammonia	NN
12787	1925	24	evolved	evolve	VBD
12787	1925	25	,	,	,
12787	1925	26	which	which	WDT
12787	1925	27	may	may	MD
12787	1925	28	act	act	VB
12787	1925	29	as	as	IN
12787	1925	30	a	a	DT
12787	1925	31	reducing	reduce	VBG
12787	1925	32	agent	agent	NN
12787	1925	33	.	.	.
12787	1926	1	The	the	DT
12787	1926	2	phosphorus	phosphorus	NN
12787	1926	3	then	then	RB
12787	1926	4	attacks	attack	VBZ
12787	1926	5	and	and	CC
12787	1926	6	injures	injure	VBZ
12787	1926	7	a	a	DT
12787	1926	8	platinum	platinum	NN
12787	1926	9	crucible	crucible	JJ
12787	1926	10	,	,	,
12787	1926	11	and	and	CC
12787	1926	12	the	the	DT
12787	1926	13	determination	determination	NN
12787	1926	14	is	be	VBZ
12787	1926	15	valueless	valueless	JJ
12787	1926	16	.	.	.
12787	1926	17	]	]	-RRB-
12787	1927	1	ANALYSIS	ANALYSIS	NNP
12787	1927	2	OF	of	IN
12787	1927	3	LIMESTONE	LIMESTONE	NNP
12787	1927	4	Limestones	Limestones	NNPS
12787	1927	5	vary	vary	VBP
12787	1927	6	widely	widely	RB
12787	1927	7	in	in	IN
12787	1927	8	composition	composition	NN
12787	1927	9	from	from	IN
12787	1927	10	a	a	DT
12787	1927	11	nearly	nearly	RB
12787	1927	12	pure	pure	JJ
12787	1927	13	marble	marble	NN
12787	1927	14	through	through	IN
12787	1927	15	the	the	DT
12787	1927	16	dolomitic	dolomitic	JJ
12787	1927	17	limestones	limestone	NNS
12787	1927	18	,	,	,
12787	1927	19	containing	contain	VBG
12787	1927	20	varying	vary	VBG
12787	1927	21	amounts	amount	NNS
12787	1927	22	of	of	IN
12787	1927	23	magnesium	magnesium	NN
12787	1927	24	,	,	,
12787	1927	25	to	to	IN
12787	1927	26	the	the	DT
12787	1927	27	impure	impure	NN
12787	1927	28	varieties	variety	NNS
12787	1927	29	,	,	,
12787	1927	30	which	which	WDT
12787	1927	31	contain	contain	VBP
12787	1927	32	also	also	RB
12787	1927	33	ferrous	ferrous	JJ
12787	1927	34	and	and	CC
12787	1927	35	manganous	manganous	JJ
12787	1927	36	carbonates	carbonate	NNS
12787	1927	37	and	and	CC
12787	1927	38	siliceous	siliceous	JJ
12787	1927	39	compounds	compound	NNS
12787	1927	40	in	in	IN
12787	1927	41	variable	variable	JJ
12787	1927	42	proportions	proportion	NNS
12787	1927	43	.	.	.
12787	1928	1	Many	many	JJ
12787	1928	2	other	other	JJ
12787	1928	3	minerals	mineral	NNS
12787	1928	4	may	may	MD
12787	1928	5	be	be	VB
12787	1928	6	inclosed	inclose	VBN
12787	1928	7	in	in	IN
12787	1928	8	limestones	limestone	NNS
12787	1928	9	in	in	IN
12787	1928	10	small	small	JJ
12787	1928	11	quantities	quantity	NNS
12787	1928	12	,	,	,
12787	1928	13	and	and	CC
12787	1928	14	an	an	DT
12787	1928	15	exact	exact	JJ
12787	1928	16	qualitative	qualitative	JJ
12787	1928	17	analysis	analysis	NN
12787	1928	18	will	will	MD
12787	1928	19	often	often	RB
12787	1928	20	show	show	VB
12787	1928	21	the	the	DT
12787	1928	22	presence	presence	NN
12787	1928	23	of	of	IN
12787	1928	24	sulphides	sulphide	NNS
12787	1928	25	or	or	CC
12787	1928	26	sulphates	sulphate	NNS
12787	1928	27	,	,	,
12787	1928	28	phosphates	phosphate	NNS
12787	1928	29	,	,	,
12787	1928	30	and	and	CC
12787	1928	31	titanates	titanate	NNS
12787	1928	32	,	,	,
12787	1928	33	and	and	CC
12787	1928	34	the	the	DT
12787	1928	35	alkali	alkali	JJ
12787	1928	36	or	or	CC
12787	1928	37	even	even	RB
12787	1928	38	the	the	DT
12787	1928	39	heavy	heavy	JJ
12787	1928	40	metals	metal	NNS
12787	1928	41	.	.	.
12787	1929	1	No	no	DT
12787	1929	2	attempt	attempt	NN
12787	1929	3	is	be	VBZ
12787	1929	4	made	make	VBN
12787	1929	5	in	in	IN
12787	1929	6	the	the	DT
12787	1929	7	following	follow	VBG
12787	1929	8	procedures	procedure	NNS
12787	1929	9	to	to	TO
12787	1929	10	provide	provide	VB
12787	1929	11	a	a	DT
12787	1929	12	complete	complete	JJ
12787	1929	13	quantitative	quantitative	JJ
12787	1929	14	scheme	scheme	NN
12787	1929	15	which	which	WDT
12787	1929	16	would	would	MD
12787	1929	17	take	take	VB
12787	1929	18	into	into	IN
12787	1929	19	account	account	NN
12787	1929	20	all	all	DT
12787	1929	21	of	of	IN
12787	1929	22	these	these	DT
12787	1929	23	constituents	constituent	NNS
12787	1929	24	.	.	.
12787	1930	1	Such	such	PDT
12787	1930	2	a	a	DT
12787	1930	3	scheme	scheme	NN
12787	1930	4	for	for	IN
12787	1930	5	a	a	DT
12787	1930	6	complete	complete	JJ
12787	1930	7	analysis	analysis	NN
12787	1930	8	of	of	IN
12787	1930	9	a	a	DT
12787	1930	10	limestone	limestone	NN
12787	1930	11	may	may	MD
12787	1930	12	be	be	VB
12787	1930	13	found	find	VBN
12787	1930	14	in	in	IN
12787	1930	15	Bulletin	Bulletin	NNP
12787	1930	16	No	no	UH
12787	1930	17	.	.	.
12787	1931	1	700	700	CD
12787	1931	2	of	of	IN
12787	1931	3	the	the	DT
12787	1931	4	United	United	NNP
12787	1931	5	States	States	NNP
12787	1931	6	Geological	Geological	NNP
12787	1931	7	Survey	Survey	NNP
12787	1931	8	.	.	.
12787	1932	1	It	-PRON-	PRP
12787	1932	2	is	be	VBZ
12787	1932	3	assumed	assume	VBN
12787	1932	4	that	that	IN
12787	1932	5	,	,	,
12787	1932	6	for	for	IN
12787	1932	7	these	these	DT
12787	1932	8	practice	practice	NN
12787	1932	9	determinations	determination	NNS
12787	1932	10	,	,	,
12787	1932	11	a	a	DT
12787	1932	12	limestone	limestone	NN
12787	1932	13	is	be	VBZ
12787	1932	14	selected	select	VBN
12787	1932	15	which	which	WDT
12787	1932	16	contains	contain	VBZ
12787	1932	17	only	only	RB
12787	1932	18	the	the	DT
12787	1932	19	more	more	RBR
12787	1932	20	common	common	JJ
12787	1932	21	constituents	constituent	NNS
12787	1932	22	first	first	RB
12787	1932	23	enumerated	enumerate	VBD
12787	1932	24	above	above	RB
12787	1932	25	.	.	.
12787	1933	1	DETERMINATION	determination	NN
12787	1933	2	OF	of	IN
12787	1933	3	MOISTURE	MOISTURE	NNP
12787	1933	4	The	the	DT
12787	1933	5	determination	determination	NN
12787	1933	6	of	of	IN
12787	1933	7	the	the	DT
12787	1933	8	amount	amount	NN
12787	1933	9	of	of	IN
12787	1933	10	moisture	moisture	NN
12787	1933	11	in	in	IN
12787	1933	12	minerals	mineral	NNS
12787	1933	13	or	or	CC
12787	1933	14	ores	ore	NNS
12787	1933	15	is	be	VBZ
12787	1933	16	often	often	RB
12787	1933	17	of	of	IN
12787	1933	18	great	great	JJ
12787	1933	19	importance	importance	NN
12787	1933	20	.	.	.
12787	1934	1	Ores	ore	NNS
12787	1934	2	which	which	WDT
12787	1934	3	have	have	VBP
12787	1934	4	been	be	VBN
12787	1934	5	exposed	expose	VBN
12787	1934	6	to	to	IN
12787	1934	7	the	the	DT
12787	1934	8	weather	weather	NN
12787	1934	9	during	during	IN
12787	1934	10	shipment	shipment	NN
12787	1934	11	may	may	MD
12787	1934	12	have	have	VB
12787	1934	13	absorbed	absorb	VBN
12787	1934	14	enough	enough	JJ
12787	1934	15	moisture	moisture	NN
12787	1934	16	to	to	TO
12787	1934	17	appreciably	appreciably	RB
12787	1934	18	affect	affect	VB
12787	1934	19	the	the	DT
12787	1934	20	results	result	NNS
12787	1934	21	of	of	IN
12787	1934	22	analysis	analysis	NN
12787	1934	23	.	.	.
12787	1935	1	Since	since	IN
12787	1935	2	it	-PRON-	PRP
12787	1935	3	is	be	VBZ
12787	1935	4	essential	essential	JJ
12787	1935	5	that	that	IN
12787	1935	6	the	the	DT
12787	1935	7	seller	seller	NN
12787	1935	8	and	and	CC
12787	1935	9	buyer	buyer	NN
12787	1935	10	should	should	MD
12787	1935	11	make	make	VB
12787	1935	12	their	-PRON-	PRP$
12787	1935	13	analyses	analysis	NNS
12787	1935	14	upon	upon	IN
12787	1935	15	comparable	comparable	JJ
12787	1935	16	material	material	NN
12787	1935	17	,	,	,
12787	1935	18	it	-PRON-	PRP
12787	1935	19	is	be	VBZ
12787	1935	20	customary	customary	JJ
12787	1935	21	for	for	IN
12787	1935	22	each	each	DT
12787	1935	23	analyst	analyst	NN
12787	1935	24	to	to	TO
12787	1935	25	determine	determine	VB
12787	1935	26	the	the	DT
12787	1935	27	moisture	moisture	NN
12787	1935	28	in	in	IN
12787	1935	29	the	the	DT
12787	1935	30	sample	sample	NN
12787	1935	31	examined	examine	VBD
12787	1935	32	,	,	,
12787	1935	33	and	and	CC
12787	1935	34	then	then	RB
12787	1935	35	to	to	TO
12787	1935	36	calculate	calculate	VB
12787	1935	37	the	the	DT
12787	1935	38	percentages	percentage	NNS
12787	1935	39	of	of	IN
12787	1935	40	the	the	DT
12787	1935	41	various	various	JJ
12787	1935	42	constituents	constituent	NNS
12787	1935	43	with	with	IN
12787	1935	44	reference	reference	NN
12787	1935	45	to	to	IN
12787	1935	46	a	a	DT
12787	1935	47	sample	sample	NN
12787	1935	48	dried	dry	VBN
12787	1935	49	in	in	IN
12787	1935	50	the	the	DT
12787	1935	51	air	air	NN
12787	1935	52	,	,	,
12787	1935	53	or	or	CC
12787	1935	54	at	at	IN
12787	1935	55	a	a	DT
12787	1935	56	temperature	temperature	NN
12787	1935	57	a	a	DT
12787	1935	58	little	little	JJ
12787	1935	59	above	above	IN
12787	1935	60	100Â	100â	CD
12787	1935	61	°	°	NNS
12787	1935	62	C	C	NNP
12787	1935	63	.	.	NNP
12787	1935	64	,	,	,
12787	1935	65	which	which	WDT
12787	1935	66	,	,	,
12787	1935	67	unless	unless	IN
12787	1935	68	the	the	DT
12787	1935	69	ore	ore	NN
12787	1935	70	has	have	VBZ
12787	1935	71	undergone	undergo	VBN
12787	1935	72	chemical	chemical	NN
12787	1935	73	change	change	NN
12787	1935	74	because	because	IN
12787	1935	75	of	of	IN
12787	1935	76	the	the	DT
12787	1935	77	wetting	wetting	NN
12787	1935	78	,	,	,
12787	1935	79	should	should	MD
12787	1935	80	be	be	VB
12787	1935	81	the	the	DT
12787	1935	82	same	same	JJ
12787	1935	83	before	before	RB
12787	1935	84	and	and	CC
12787	1935	85	after	after	IN
12787	1935	86	shipment	shipment	NN
12787	1935	87	.	.	.
12787	1936	1	PROCEDURE.--Spread	procedure.--spread	VB
12787	1936	2	25	25	CD
12787	1936	3	grams	gram	NNS
12787	1936	4	of	of	IN
12787	1936	5	the	the	DT
12787	1936	6	powdered	powdered	JJ
12787	1936	7	sample	sample	NN
12787	1936	8	on	on	IN
12787	1936	9	a	a	DT
12787	1936	10	weighed	weigh	VBN
12787	1936	11	watch	watch	NN
12787	1936	12	-	-	HYPH
12787	1936	13	glass	glass	NN
12787	1936	14	;	;	:
12787	1936	15	weigh	weigh	VB
12787	1936	16	to	to	IN
12787	1936	17	the	the	DT
12787	1936	18	nearest	near	JJS
12787	1936	19	10	10	CD
12787	1936	20	milligrams	milligram	NNS
12787	1936	21	only	only	RB
12787	1936	22	and	and	CC
12787	1936	23	heat	heat	VB
12787	1936	24	at	at	IN
12787	1936	25	105Â	105â	CD
12787	1936	26	°	°	,
12787	1936	27	C	C	NNP
12787	1936	28	.	.	.
12787	1937	1	;	;	:
12787	1937	2	weigh	weigh	VB
12787	1937	3	at	at	IN
12787	1937	4	intervals	interval	NNS
12787	1937	5	of	of	IN
12787	1937	6	an	an	DT
12787	1937	7	hour	hour	NN
12787	1937	8	,	,	,
12787	1937	9	after	after	IN
12787	1937	10	cooling	cool	VBG
12787	1937	11	in	in	IN
12787	1937	12	a	a	DT
12787	1937	13	desiccator	desiccator	NN
12787	1937	14	,	,	,
12787	1937	15	until	until	IN
12787	1937	16	the	the	DT
12787	1937	17	loss	loss	NN
12787	1937	18	of	of	IN
12787	1937	19	weight	weight	NN
12787	1937	20	after	after	IN
12787	1937	21	an	an	DT
12787	1937	22	hour	hour	NN
12787	1937	23	's	's	POS
12787	1937	24	heating	heating	NN
12787	1937	25	does	do	VBZ
12787	1937	26	not	not	RB
12787	1937	27	exceed	exceed	VB
12787	1937	28	10	10	CD
12787	1937	29	milligrams	milligram	NNS
12787	1937	30	.	.	.
12787	1938	1	It	-PRON-	PRP
12787	1938	2	should	should	MD
12787	1938	3	be	be	VB
12787	1938	4	noted	note	VBN
12787	1938	5	that	that	IN
12787	1938	6	a	a	DT
12787	1938	7	variation	variation	NN
12787	1938	8	in	in	IN
12787	1938	9	weight	weight	NN
12787	1938	10	of	of	IN
12787	1938	11	10	10	CD
12787	1938	12	milligrams	milligram	NNS
12787	1938	13	in	in	IN
12787	1938	14	a	a	DT
12787	1938	15	total	total	JJ
12787	1938	16	weight	weight	NN
12787	1938	17	of	of	IN
12787	1938	18	25	25	CD
12787	1938	19	grams	gram	NNS
12787	1938	20	is	be	VBZ
12787	1938	21	no	no	DT
12787	1938	22	greater	great	JJR
12787	1938	23	relatively	relatively	RB
12787	1938	24	than	than	IN
12787	1938	25	a	a	DT
12787	1938	26	variation	variation	NN
12787	1938	27	of	of	IN
12787	1938	28	0.1	0.1	CD
12787	1938	29	milligram	milligram	NN
12787	1938	30	when	when	WRB
12787	1938	31	the	the	DT
12787	1938	32	sample	sample	NN
12787	1938	33	taken	take	VBN
12787	1938	34	weighs	weigh	VBZ
12787	1938	35	0.25	0.25	CD
12787	1938	36	gram	gram	NN
12787	1938	37	DETERMINATION	DETERMINATION	NNP
12787	1938	38	OF	of	IN
12787	1938	39	THE	the	DT
12787	1938	40	INSOLUBLE	INSOLUBLE	NNP
12787	1938	41	MATTER	matter	NN
12787	1938	42	AND	and	CC
12787	1938	43	SILICA	SILICA	NNP
12787	1938	44	PROCEDURE.--Weigh	procedure.--weigh	RB
12787	1938	45	out	out	RP
12787	1938	46	two	two	CD
12787	1938	47	portions	portion	NNS
12787	1938	48	of	of	IN
12787	1938	49	the	the	DT
12787	1938	50	original	original	JJ
12787	1938	51	powdered	powdered	JJ
12787	1938	52	sample	sample	NN
12787	1938	53	(	(	-LRB-
12787	1938	54	not	not	RB
12787	1938	55	the	the	DT
12787	1938	56	dried	dry	VBN
12787	1938	57	sample	sample	NN
12787	1938	58	)	)	-RRB-
12787	1938	59	,	,	,
12787	1938	60	of	of	IN
12787	1938	61	about	about	RB
12787	1938	62	5	5	CD
12787	1938	63	grams	gram	NNS
12787	1938	64	each	each	DT
12787	1938	65	,	,	,
12787	1938	66	into	into	IN
12787	1938	67	250	250	CD
12787	1938	68	cc	cc	NN
12787	1938	69	.	.	.
12787	1939	1	casseroles	casserole	NNS
12787	1939	2	,	,	,
12787	1939	3	and	and	CC
12787	1939	4	cover	cover	VB
12787	1939	5	each	each	DT
12787	1939	6	with	with	IN
12787	1939	7	a	a	DT
12787	1939	8	watch	watch	NN
12787	1939	9	-	-	HYPH
12787	1939	10	glass	glass	NN
12787	1939	11	(	(	-LRB-
12787	1939	12	Note	note	NN
12787	1939	13	1	1	CD
12787	1939	14	)	)	-RRB-
12787	1939	15	.	.	.
12787	1940	1	Pour	pour	VB
12787	1940	2	over	over	IN
12787	1940	3	the	the	DT
12787	1940	4	powder	powder	NN
12787	1940	5	25	25	CD
12787	1940	6	cc	cc	NN
12787	1940	7	.	.	.
12787	1941	1	of	of	IN
12787	1941	2	water	water	NN
12787	1941	3	,	,	,
12787	1941	4	and	and	CC
12787	1941	5	then	then	RB
12787	1941	6	add	add	VB
12787	1941	7	50	50	CD
12787	1941	8	cc	cc	NN
12787	1941	9	.	.	.
12787	1942	1	of	of	IN
12787	1942	2	dilute	dilute	NNP
12787	1942	3	hydrochloric	hydrochloric	NNP
12787	1942	4	acid	acid	NNP
12787	1942	5	(	(	-LRB-
12787	1942	6	sp	sp	NNP
12787	1942	7	.	.	.
12787	1943	1	gr	gr	NNP
12787	1943	2	.	.	.
12787	1944	1	1.12	1.12	CD
12787	1944	2	)	)	-RRB-
12787	1944	3	in	in	IN
12787	1944	4	small	small	JJ
12787	1944	5	portions	portion	NNS
12787	1944	6	,	,	,
12787	1944	7	warming	warm	VBG
12787	1944	8	gently	gently	RB
12787	1944	9	,	,	,
12787	1944	10	until	until	IN
12787	1944	11	nothing	nothing	NN
12787	1944	12	further	further	RB
12787	1944	13	appears	appear	VBZ
12787	1944	14	to	to	TO
12787	1944	15	dissolve	dissolve	VB
12787	1944	16	(	(	-LRB-
12787	1944	17	Note	note	NN
12787	1944	18	2	2	CD
12787	1944	19	)	)	-RRB-
12787	1944	20	.	.	.
12787	1945	1	Evaporate	evaporate	VB
12787	1945	2	to	to	TO
12787	1945	3	dryness	dryness	NN
12787	1945	4	on	on	IN
12787	1945	5	the	the	DT
12787	1945	6	water	water	NN
12787	1945	7	bath	bath	NN
12787	1945	8	.	.	.
12787	1946	1	Pour	pour	VB
12787	1946	2	over	over	IN
12787	1946	3	the	the	DT
12787	1946	4	residue	residue	NN
12787	1946	5	a	a	DT
12787	1946	6	mixture	mixture	NN
12787	1946	7	of	of	IN
12787	1946	8	5	5	CD
12787	1946	9	cc	cc	NN
12787	1946	10	.	.	.
12787	1947	1	of	of	IN
12787	1947	2	water	water	NN
12787	1947	3	and	and	CC
12787	1947	4	5	5	CD
12787	1947	5	cc	cc	NN
12787	1947	6	.	.	.
12787	1948	1	of	of	IN
12787	1948	2	concentrated	concentrated	JJ
12787	1948	3	hydrochloric	hydrochloric	JJ
12787	1948	4	acid	acid	NN
12787	1948	5	(	(	-LRB-
12787	1948	6	sp	sp	NNP
12787	1948	7	.	.	.
12787	1949	1	gr	gr	NNP
12787	1949	2	.	.	.
12787	1950	1	1.2	1.2	LS
12787	1950	2	)	)	-RRB-
12787	1950	3	and	and	CC
12787	1950	4	again	again	RB
12787	1950	5	evaporate	evaporate	VB
12787	1950	6	to	to	IN
12787	1950	7	dryness	dryness	NN
12787	1950	8	,	,	,
12787	1950	9	and	and	CC
12787	1950	10	finally	finally	RB
12787	1950	11	heat	heat	VB
12787	1950	12	for	for	IN
12787	1950	13	at	at	IN
12787	1950	14	least	least	JJS
12787	1950	15	an	an	DT
12787	1950	16	hour	hour	NN
12787	1950	17	at	at	IN
12787	1950	18	a	a	DT
12787	1950	19	temperature	temperature	NN
12787	1950	20	of	of	IN
12787	1950	21	110Â	110Â	NNP
12787	1950	22	°	°	,
12787	1950	23	C	C	NNP
12787	1950	24	.	.	.
12787	1951	1	Pour	pour	VB
12787	1951	2	over	over	IN
12787	1951	3	this	this	DT
12787	1951	4	residue	residue	NN
12787	1951	5	50	50	CD
12787	1951	6	cc	cc	NN
12787	1951	7	.	.	.
12787	1952	1	of	of	IN
12787	1952	2	dilute	dilute	NNP
12787	1952	3	hydrochloric	hydrochloric	NNP
12787	1952	4	acid	acid	NNP
12787	1952	5	(	(	-LRB-
12787	1952	6	one	one	CD
12787	1952	7	volume	volume	NN
12787	1952	8	acid	acid	NN
12787	1952	9	(	(	-LRB-
12787	1952	10	sp	sp	NNP
12787	1952	11	.	.	.
12787	1953	1	gr	gr	NNP
12787	1953	2	.	.	.
12787	1954	1	1.12	1.12	CD
12787	1954	2	)	)	-RRB-
12787	1954	3	to	to	IN
12787	1954	4	five	five	CD
12787	1954	5	volumes	volume	NNS
12787	1954	6	water	water	NN
12787	1954	7	)	)	-RRB-
12787	1954	8	,	,	,
12787	1954	9	and	and	CC
12787	1954	10	boil	boil	VB
12787	1954	11	for	for	IN
12787	1954	12	about	about	RB
12787	1954	13	five	five	CD
12787	1954	14	minutes	minute	NNS
12787	1954	15	;	;	:
12787	1954	16	then	then	RB
12787	1954	17	filter	filter	VB
12787	1954	18	and	and	CC
12787	1954	19	wash	wash	VB
12787	1954	20	twice	twice	RB
12787	1954	21	with	with	IN
12787	1954	22	the	the	DT
12787	1954	23	dilute	dilute	NNP
12787	1954	24	hydrochloric	hydrochloric	NNP
12787	1954	25	acid	acid	NN
12787	1954	26	,	,	,
12787	1954	27	and	and	CC
12787	1954	28	then	then	RB
12787	1954	29	with	with	IN
12787	1954	30	hot	hot	JJ
12787	1954	31	water	water	NN
12787	1954	32	until	until	IN
12787	1954	33	free	free	JJ
12787	1954	34	from	from	IN
12787	1954	35	chlorides	chloride	NNS
12787	1954	36	.	.	.
12787	1955	1	Transfer	transfer	VB
12787	1955	2	the	the	DT
12787	1955	3	filter	filter	NN
12787	1955	4	and	and	CC
12787	1955	5	contents	content	NNS
12787	1955	6	to	to	IN
12787	1955	7	a	a	DT
12787	1955	8	porcelain	porcelain	NN
12787	1955	9	crucible	crucible	JJ
12787	1955	10	,	,	,
12787	1955	11	dry	dry	JJ
12787	1955	12	carefully	carefully	RB
12787	1955	13	over	over	IN
12787	1955	14	a	a	DT
12787	1955	15	low	low	JJ
12787	1955	16	flame	flame	NN
12787	1955	17	,	,	,
12787	1955	18	and	and	CC
12787	1955	19	ignite	ignite	VB
12787	1955	20	to	to	IN
12787	1955	21	constant	constant	JJ
12787	1955	22	weight	weight	NN
12787	1955	23	.	.	.
12787	1956	1	The	the	DT
12787	1956	2	residue	residue	NN
12787	1956	3	represents	represent	VBZ
12787	1956	4	the	the	DT
12787	1956	5	insoluble	insoluble	JJ
12787	1956	6	matter	matter	NN
12787	1956	7	and	and	CC
12787	1956	8	the	the	DT
12787	1956	9	silica	silica	NN
12787	1956	10	from	from	IN
12787	1956	11	any	any	DT
12787	1956	12	soluble	soluble	JJ
12787	1956	13	silicates	silicate	NNS
12787	1956	14	(	(	-LRB-
12787	1956	15	Note	note	NN
12787	1956	16	3	3	CD
12787	1956	17	)	)	-RRB-
12787	1956	18	.	.	.
12787	1957	1	Calculate	calculate	VB
12787	1957	2	the	the	DT
12787	1957	3	combined	combined	JJ
12787	1957	4	percentage	percentage	NN
12787	1957	5	of	of	IN
12787	1957	6	these	these	DT
12787	1957	7	in	in	IN
12787	1957	8	the	the	DT
12787	1957	9	limestone	limestone	NN
12787	1957	10	.	.	.
12787	1958	1	[	[	-LRB-
12787	1958	2	Note	note	NN
12787	1958	3	1	1	CD
12787	1958	4	:	:	:
12787	1958	5	The	the	DT
12787	1958	6	relatively	relatively	RB
12787	1958	7	large	large	JJ
12787	1958	8	weight	weight	NN
12787	1958	9	(	(	-LRB-
12787	1958	10	5	5	CD
12787	1958	11	grams	gram	NNS
12787	1958	12	)	)	-RRB-
12787	1958	13	taken	take	VBN
12787	1958	14	for	for	IN
12787	1958	15	analysis	analysis	NN
12787	1958	16	insures	insure	VBZ
12787	1958	17	greater	great	JJR
12787	1958	18	accuracy	accuracy	NN
12787	1958	19	in	in	IN
12787	1958	20	the	the	DT
12787	1958	21	determination	determination	NN
12787	1958	22	of	of	IN
12787	1958	23	the	the	DT
12787	1958	24	ingredients	ingredient	NNS
12787	1958	25	which	which	WDT
12787	1958	26	are	be	VBP
12787	1958	27	present	present	JJ
12787	1958	28	in	in	IN
12787	1958	29	small	small	JJ
12787	1958	30	proportions	proportion	NNS
12787	1958	31	,	,	,
12787	1958	32	and	and	CC
12787	1958	33	is	be	VBZ
12787	1958	34	also	also	RB
12787	1958	35	more	more	RBR
12787	1958	36	likely	likely	JJ
12787	1958	37	to	to	TO
12787	1958	38	be	be	VB
12787	1958	39	a	a	DT
12787	1958	40	representative	representative	JJ
12787	1958	41	sample	sample	NN
12787	1958	42	of	of	IN
12787	1958	43	the	the	DT
12787	1958	44	material	material	NN
12787	1958	45	analyzed	analyze	VBN
12787	1958	46	.	.	.
12787	1958	47	]	]	-RRB-
12787	1959	1	[	[	-LRB-
12787	1959	2	Note	note	NN
12787	1959	3	2	2	CD
12787	1959	4	:	:	:
12787	1959	5	It	-PRON-	PRP
12787	1959	6	is	be	VBZ
12787	1959	7	plain	plain	JJ
12787	1959	8	that	that	IN
12787	1959	9	the	the	DT
12787	1959	10	amount	amount	NN
12787	1959	11	of	of	IN
12787	1959	12	the	the	DT
12787	1959	13	insoluble	insoluble	JJ
12787	1959	14	residue	residue	NN
12787	1959	15	and	and	CC
12787	1959	16	also	also	RB
12787	1959	17	its	-PRON-	PRP$
12787	1959	18	character	character	NN
12787	1959	19	will	will	MD
12787	1959	20	often	often	RB
12787	1959	21	depend	depend	VB
12787	1959	22	upon	upon	IN
12787	1959	23	the	the	DT
12787	1959	24	strength	strength	NN
12787	1959	25	of	of	IN
12787	1959	26	acid	acid	NN
12787	1959	27	used	use	VBN
12787	1959	28	for	for	IN
12787	1959	29	solution	solution	NN
12787	1959	30	of	of	IN
12787	1959	31	the	the	DT
12787	1959	32	limestone	limestone	NN
12787	1959	33	.	.	.
12787	1960	1	It	-PRON-	PRP
12787	1960	2	can	can	MD
12787	1960	3	not	not	RB
12787	1960	4	,	,	,
12787	1960	5	therefore	therefore	RB
12787	1960	6	,	,	,
12787	1960	7	be	be	VB
12787	1960	8	regarded	regard	VBN
12787	1960	9	as	as	IN
12787	1960	10	representing	represent	VBG
12787	1960	11	any	any	DT
12787	1960	12	well	well	RB
12787	1960	13	-	-	HYPH
12787	1960	14	defined	define	VBN
12787	1960	15	constituent	constituent	NN
12787	1960	16	,	,	,
12787	1960	17	and	and	CC
12787	1960	18	its	-PRON-	PRP$
12787	1960	19	determination	determination	NN
12787	1960	20	is	be	VBZ
12787	1960	21	essentially	essentially	RB
12787	1960	22	empirical	empirical	JJ
12787	1960	23	.	.	.
12787	1960	24	]	]	-RRB-
12787	1961	1	[	[	-LRB-
12787	1961	2	Note	note	NN
12787	1961	3	3	3	CD
12787	1961	4	:	:	:
12787	1961	5	It	-PRON-	PRP
12787	1961	6	is	be	VBZ
12787	1961	7	probable	probable	JJ
12787	1961	8	that	that	IN
12787	1961	9	some	some	DT
12787	1961	10	of	of	IN
12787	1961	11	the	the	DT
12787	1961	12	silicates	silicate	NNS
12787	1961	13	present	present	JJ
12787	1961	14	are	be	VBP
12787	1961	15	wholly	wholly	RB
12787	1961	16	or	or	CC
12787	1961	17	partly	partly	RB
12787	1961	18	decomposed	decompose	VBN
12787	1961	19	by	by	IN
12787	1961	20	the	the	DT
12787	1961	21	acid	acid	NN
12787	1961	22	,	,	,
12787	1961	23	and	and	CC
12787	1961	24	the	the	DT
12787	1961	25	soluble	soluble	JJ
12787	1961	26	silicic	silicic	NN
12787	1961	27	acid	acid	NN
12787	1961	28	must	must	MD
12787	1961	29	be	be	VB
12787	1961	30	converted	convert	VBN
12787	1961	31	by	by	IN
12787	1961	32	evaporation	evaporation	NN
12787	1961	33	to	to	IN
12787	1961	34	dryness	dryness	NN
12787	1961	35	,	,	,
12787	1961	36	and	and	CC
12787	1961	37	heating	heating	NN
12787	1961	38	,	,	,
12787	1961	39	into	into	IN
12787	1961	40	white	white	JJ
12787	1961	41	,	,	,
12787	1961	42	insoluble	insoluble	JJ
12787	1961	43	silica	silica	NN
12787	1961	44	.	.	.
12787	1962	1	This	this	DT
12787	1962	2	change	change	NN
12787	1962	3	is	be	VBZ
12787	1962	4	not	not	RB
12787	1962	5	complete	complete	JJ
12787	1962	6	after	after	IN
12787	1962	7	one	one	CD
12787	1962	8	evaporation	evaporation	NN
12787	1962	9	.	.	.
12787	1963	1	The	the	DT
12787	1963	2	heating	heating	NN
12787	1963	3	at	at	IN
12787	1963	4	a	a	DT
12787	1963	5	temperature	temperature	NN
12787	1963	6	somewhat	somewhat	RB
12787	1963	7	higher	high	JJR
12787	1963	8	than	than	IN
12787	1963	9	that	that	DT
12787	1963	10	of	of	IN
12787	1963	11	the	the	DT
12787	1963	12	water	water	NN
12787	1963	13	bath	bath	NN
12787	1963	14	for	for	IN
12787	1963	15	a	a	DT
12787	1963	16	short	short	JJ
12787	1963	17	time	time	NN
12787	1963	18	tends	tend	VBZ
12787	1963	19	to	to	TO
12787	1963	20	leave	leave	VB
12787	1963	21	the	the	DT
12787	1963	22	silica	silica	NN
12787	1963	23	in	in	IN
12787	1963	24	the	the	DT
12787	1963	25	form	form	NN
12787	1963	26	of	of	IN
12787	1963	27	a	a	DT
12787	1963	28	powder	powder	NN
12787	1963	29	,	,	,
12787	1963	30	which	which	WDT
12787	1963	31	promotes	promote	VBZ
12787	1963	32	subsequent	subsequent	JJ
12787	1963	33	filtration	filtration	NN
12787	1963	34	.	.	.
12787	1964	1	The	the	DT
12787	1964	2	siliceous	siliceous	JJ
12787	1964	3	residue	residue	NN
12787	1964	4	is	be	VBZ
12787	1964	5	washed	wash	VBN
12787	1964	6	first	first	RB
12787	1964	7	with	with	IN
12787	1964	8	dilute	dilute	NN
12787	1964	9	acid	acid	NN
12787	1964	10	to	to	TO
12787	1964	11	prevent	prevent	VB
12787	1964	12	hydrolytic	hydrolytic	JJ
12787	1964	13	changes	change	NNS
12787	1964	14	,	,	,
12787	1964	15	which	which	WDT
12787	1964	16	would	would	MD
12787	1964	17	result	result	VB
12787	1964	18	in	in	IN
12787	1964	19	the	the	DT
12787	1964	20	formation	formation	NN
12787	1964	21	of	of	IN
12787	1964	22	appreciable	appreciable	JJ
12787	1964	23	quantities	quantity	NNS
12787	1964	24	of	of	IN
12787	1964	25	insoluble	insoluble	JJ
12787	1964	26	basic	basic	JJ
12787	1964	27	iron	iron	NN
12787	1964	28	or	or	CC
12787	1964	29	aluminium	aluminium	NN
12787	1964	30	salts	salt	NNS
12787	1964	31	on	on	IN
12787	1964	32	the	the	DT
12787	1964	33	filter	filter	NN
12787	1964	34	when	when	WRB
12787	1964	35	washing	wash	VBG
12787	1964	36	with	with	IN
12787	1964	37	hot	hot	JJ
12787	1964	38	water	water	NN
12787	1964	39	.	.	.
12787	1965	1	If	if	IN
12787	1965	2	it	-PRON-	PRP
12787	1965	3	is	be	VBZ
12787	1965	4	desired	desire	VBN
12787	1965	5	to	to	TO
12787	1965	6	determine	determine	VB
12787	1965	7	the	the	DT
12787	1965	8	percentage	percentage	NN
12787	1965	9	of	of	IN
12787	1965	10	silica	silica	NN
12787	1965	11	separately	separately	RB
12787	1965	12	,	,	,
12787	1965	13	the	the	DT
12787	1965	14	ignited	ignited	JJ
12787	1965	15	residue	residue	NN
12787	1965	16	should	should	MD
12787	1965	17	be	be	VB
12787	1965	18	mixed	mix	VBN
12787	1965	19	in	in	IN
12787	1965	20	a	a	DT
12787	1965	21	platinum	platinum	NN
12787	1965	22	crucible	crucible	JJ
12787	1965	23	with	with	IN
12787	1965	24	about	about	RB
12787	1965	25	six	six	CD
12787	1965	26	times	time	NNS
12787	1965	27	its	-PRON-	PRP$
12787	1965	28	weight	weight	NN
12787	1965	29	of	of	IN
12787	1965	30	anhydrous	anhydrous	JJ
12787	1965	31	sodium	sodium	NN
12787	1965	32	carbonate	carbonate	NN
12787	1965	33	,	,	,
12787	1965	34	and	and	CC
12787	1965	35	the	the	DT
12787	1965	36	procedure	procedure	NN
12787	1965	37	given	give	VBN
12787	1965	38	on	on	IN
12787	1965	39	page	page	NN
12787	1965	40	151	151	CD
12787	1965	41	should	should	MD
12787	1965	42	be	be	VB
12787	1965	43	followed	follow	VBN
12787	1965	44	.	.	.
12787	1966	1	The	the	DT
12787	1966	2	filtrate	filtrate	JJ
12787	1966	3	from	from	IN
12787	1966	4	the	the	DT
12787	1966	5	silica	silica	NN
12787	1966	6	is	be	VBZ
12787	1966	7	then	then	RB
12787	1966	8	added	add	VBN
12787	1966	9	to	to	IN
12787	1966	10	the	the	DT
12787	1966	11	main	main	JJ
12787	1966	12	filtrate	filtrate	NN
12787	1966	13	from	from	IN
12787	1966	14	the	the	DT
12787	1966	15	insoluble	insoluble	JJ
12787	1966	16	residue	residue	NN
12787	1966	17	.	.	.
12787	1966	18	]	]	-RRB-
12787	1967	1	DETERMINATION	determination	NN
12787	1967	2	OF	of	IN
12787	1967	3	FERRIC	FERRIC	NNP
12787	1967	4	OXIDE	OXIDE	NNPS
12787	1967	5	AND	and	CC
12787	1967	6	ALUMINIUM	aluminium	NN
12787	1967	7	OXIDE	OXIDE	NNS
12787	1967	8	(	(	-LRB-
12787	1967	9	WITH	with	IN
12787	1967	10	MANGANESE	MANGANESE	NNP
12787	1967	11	)	)	-RRB-
12787	1967	12	PROCEDURE.--To	PROCEDURE.--To	VBZ
12787	1967	13	the	the	DT
12787	1967	14	filtrate	filtrate	JJ
12787	1967	15	from	from	IN
12787	1967	16	the	the	DT
12787	1967	17	insoluble	insoluble	JJ
12787	1967	18	residue	residue	NN
12787	1967	19	add	add	VBP
12787	1967	20	ammonium	ammonium	NN
12787	1967	21	hydroxide	hydroxide	NN
12787	1967	22	until	until	IN
12787	1967	23	the	the	DT
12787	1967	24	solution	solution	NN
12787	1967	25	just	just	RB
12787	1967	26	smells	smell	VBZ
12787	1967	27	distinctly	distinctly	RB
12787	1967	28	of	of	IN
12787	1967	29	ammonia	ammonia	NN
12787	1967	30	,	,	,
12787	1967	31	but	but	CC
12787	1967	32	do	do	VBP
12787	1967	33	not	not	RB
12787	1967	34	add	add	VB
12787	1967	35	an	an	DT
12787	1967	36	excess	excess	NN
12787	1967	37	.	.	.
12787	1968	1	Then	then	RB
12787	1968	2	add	add	VB
12787	1968	3	5	5	CD
12787	1968	4	cc	cc	NN
12787	1968	5	.	.	.
12787	1969	1	of	of	IN
12787	1969	2	saturated	saturate	VBN
12787	1969	3	bromine	bromine	NN
12787	1969	4	water	water	NN
12787	1969	5	(	(	-LRB-
12787	1969	6	Note	note	NN
12787	1969	7	1	1	CD
12787	1969	8	)	)	-RRB-
12787	1969	9	,	,	,
12787	1969	10	and	and	CC
12787	1969	11	boil	boil	VB
12787	1969	12	for	for	IN
12787	1969	13	five	five	CD
12787	1969	14	minutes	minute	NNS
12787	1969	15	.	.	.
12787	1970	1	If	if	IN
12787	1970	2	the	the	DT
12787	1970	3	smell	smell	NN
12787	1970	4	of	of	IN
12787	1970	5	ammonia	ammonia	NNP
12787	1970	6	has	have	VBZ
12787	1970	7	disappeared	disappear	VBN
12787	1970	8	,	,	,
12787	1970	9	again	again	RB
12787	1970	10	add	add	VB
12787	1970	11	ammonium	ammonium	NN
12787	1970	12	hydroxide	hydroxide	NN
12787	1970	13	in	in	IN
12787	1970	14	slight	slight	JJ
12787	1970	15	excess	excess	NN
12787	1970	16	,	,	,
12787	1970	17	and	and	CC
12787	1970	18	3	3	CD
12787	1970	19	cc	cc	NN
12787	1970	20	.	.	.
12787	1971	1	of	of	IN
12787	1971	2	bromine	bromine	NNP
12787	1971	3	water	water	NN
12787	1971	4	,	,	,
12787	1971	5	and	and	CC
12787	1971	6	heat	heat	VB
12787	1971	7	again	again	RB
12787	1971	8	for	for	IN
12787	1971	9	a	a	DT
12787	1971	10	few	few	JJ
12787	1971	11	minutes	minute	NNS
12787	1971	12	.	.	.
12787	1972	1	Finally	finally	RB
12787	1972	2	add	add	VB
12787	1972	3	10	10	CD
12787	1972	4	cc	cc	NN
12787	1972	5	.	.	.
12787	1973	1	of	of	IN
12787	1973	2	ammonium	ammonium	NN
12787	1973	3	chloride	chloride	NN
12787	1973	4	solution	solution	NN
12787	1973	5	and	and	CC
12787	1973	6	keep	keep	VB
12787	1973	7	the	the	DT
12787	1973	8	solution	solution	NN
12787	1973	9	warm	warm	JJ
12787	1973	10	until	until	IN
12787	1973	11	it	-PRON-	PRP
12787	1973	12	barely	barely	RB
12787	1973	13	smells	smell	VBZ
12787	1973	14	of	of	IN
12787	1973	15	ammonia	ammonia	NN
12787	1973	16	;	;	:
12787	1973	17	then	then	RB
12787	1973	18	filter	filter	VB
12787	1973	19	promptly	promptly	RB
12787	1973	20	(	(	-LRB-
12787	1973	21	Note	note	NN
12787	1973	22	2	2	CD
12787	1973	23	)	)	-RRB-
12787	1973	24	.	.	.
12787	1974	1	Wash	wash	VB
12787	1974	2	the	the	DT
12787	1974	3	filter	filter	NN
12787	1974	4	twice	twice	RB
12787	1974	5	with	with	IN
12787	1974	6	hot	hot	JJ
12787	1974	7	water	water	NN
12787	1974	8	,	,	,
12787	1974	9	then	then	RB
12787	1974	10	(	(	-LRB-
12787	1974	11	after	after	IN
12787	1974	12	replacing	replace	VBG
12787	1974	13	the	the	DT
12787	1974	14	receiving	receive	VBG
12787	1974	15	beaker	beaker	NN
12787	1974	16	)	)	-RRB-
12787	1974	17	pour	pour	VB
12787	1974	18	through	through	IN
12787	1974	19	it	-PRON-	PRP
12787	1974	20	25	25	CD
12787	1974	21	cc	cc	NN
12787	1974	22	.	.	.
12787	1975	1	of	of	IN
12787	1975	2	hot	hot	JJ
12787	1975	3	,	,	,
12787	1975	4	dilute	dilute	JJ
12787	1975	5	hydrochloric	hydrochloric	JJ
12787	1975	6	acid	acid	NN
12787	1975	7	(	(	-LRB-
12787	1975	8	one	one	CD
12787	1975	9	volume	volume	NN
12787	1975	10	dilute	dilute	NN
12787	1975	11	HCl	HCl	NNP
12787	1975	12	[	[	-LRB-
12787	1975	13	sp	sp	IN
12787	1975	14	.	.	.
12787	1976	1	gr	gr	NNP
12787	1976	2	.	.	.
12787	1977	1	1.12	1.12	LS
12787	1977	2	]	]	-RRB-
12787	1977	3	to	to	IN
12787	1977	4	five	five	CD
12787	1977	5	volumes	volume	NNS
12787	1977	6	water	water	NN
12787	1977	7	)	)	-RRB-
12787	1977	8	.	.	.
12787	1978	1	A	a	DT
12787	1978	2	brown	brown	JJ
12787	1978	3	residue	residue	NN
12787	1978	4	insoluble	insoluble	JJ
12787	1978	5	in	in	IN
12787	1978	6	the	the	DT
12787	1978	7	acid	acid	NN
12787	1978	8	may	may	MD
12787	1978	9	be	be	VB
12787	1978	10	allowed	allow	VBN
12787	1978	11	to	to	TO
12787	1978	12	remain	remain	VB
12787	1978	13	on	on	IN
12787	1978	14	the	the	DT
12787	1978	15	filter	filter	NN
12787	1978	16	.	.	.
12787	1979	1	Wash	wash	VB
12787	1979	2	the	the	DT
12787	1979	3	filter	filter	JJ
12787	1979	4	five	five	CD
12787	1979	5	times	time	NNS
12787	1979	6	with	with	IN
12787	1979	7	hot	hot	JJ
12787	1979	8	water	water	NN
12787	1979	9	,	,	,
12787	1979	10	add	add	VB
12787	1979	11	to	to	IN
12787	1979	12	the	the	DT
12787	1979	13	filtrate	filtrate	JJ
12787	1979	14	ammonium	ammonium	NN
12787	1979	15	hydroxide	hydroxide	NN
12787	1979	16	and	and	CC
12787	1979	17	bromine	bromine	NN
12787	1979	18	water	water	NN
12787	1979	19	as	as	IN
12787	1979	20	described	describe	VBN
12787	1979	21	above	above	RB
12787	1979	22	,	,	,
12787	1979	23	and	and	CC
12787	1979	24	repeat	repeat	VB
12787	1979	25	the	the	DT
12787	1979	26	precipitation	precipitation	NN
12787	1979	27	.	.	.
12787	1980	1	Collect	collect	VB
12787	1980	2	the	the	DT
12787	1980	3	precipitate	precipitate	NN
12787	1980	4	on	on	IN
12787	1980	5	the	the	DT
12787	1980	6	filter	filter	NN
12787	1980	7	already	already	RB
12787	1980	8	used	use	VBN
12787	1980	9	,	,	,
12787	1980	10	wash	wash	VB
12787	1980	11	it	-PRON-	PRP
12787	1980	12	free	free	JJ
12787	1980	13	from	from	IN
12787	1980	14	chlorides	chloride	NNS
12787	1980	15	with	with	IN
12787	1980	16	hot	hot	JJ
12787	1980	17	water	water	NN
12787	1980	18	,	,	,
12787	1980	19	and	and	CC
12787	1980	20	ignite	ignite	VB
12787	1980	21	and	and	CC
12787	1980	22	weigh	weigh	VB
12787	1980	23	as	as	IN
12787	1980	24	described	describe	VBN
12787	1980	25	for	for	IN
12787	1980	26	ferric	ferric	JJ
12787	1980	27	hydroxide	hydroxide	NN
12787	1980	28	on	on	IN
12787	1980	29	page	page	NN
12787	1980	30	110	110	CD
12787	1980	31	.	.	.
12787	1981	1	The	the	DT
12787	1981	2	residue	residue	NN
12787	1981	3	after	after	IN
12787	1981	4	ignition	ignition	NN
12787	1981	5	consists	consist	VBZ
12787	1981	6	of	of	IN
12787	1981	7	ferric	ferric	JJ
12787	1981	8	oxide	oxide	NN
12787	1981	9	,	,	,
12787	1981	10	alumina	alumina	NNP
12787	1981	11	,	,	,
12787	1981	12	and	and	CC
12787	1981	13	mangano	mangano	NNP
12787	1981	14	-	-	HYPH
12787	1981	15	manganic	manganic	JJ
12787	1981	16	oxide	oxide	NN
12787	1981	17	(	(	-LRB-
12787	1981	18	Mn_{3}O_{4	mn_{3}o_{4	UH
12787	1981	19	}	}	-RRB-
12787	1981	20	)	)	-RRB-
12787	1981	21	,	,	,
12787	1981	22	if	if	IN
12787	1981	23	manganese	manganese	NNP
12787	1981	24	is	be	VBZ
12787	1981	25	present	present	JJ
12787	1981	26	.	.	.
12787	1982	1	These	these	DT
12787	1982	2	are	be	VBP
12787	1982	3	commonly	commonly	RB
12787	1982	4	determined	determine	VBN
12787	1982	5	together	together	RB
12787	1982	6	(	(	-LRB-
12787	1982	7	Note	note	NN
12787	1982	8	3	3	CD
12787	1982	9	)	)	-RRB-
12787	1982	10	.	.	.
12787	1983	1	Calculate	calculate	VB
12787	1983	2	the	the	DT
12787	1983	3	percentage	percentage	NN
12787	1983	4	of	of	IN
12787	1983	5	the	the	DT
12787	1983	6	combined	combine	VBN
12787	1983	7	oxides	oxide	NNS
12787	1983	8	in	in	IN
12787	1983	9	the	the	DT
12787	1983	10	limestone	limestone	NN
12787	1983	11	.	.	.
12787	1984	1	[	[	-LRB-
12787	1984	2	Note	note	NN
12787	1984	3	1	1	CD
12787	1984	4	:	:	:
12787	1984	5	The	the	DT
12787	1984	6	addition	addition	NN
12787	1984	7	of	of	IN
12787	1984	8	bromine	bromine	NN
12787	1984	9	water	water	NN
12787	1984	10	to	to	IN
12787	1984	11	the	the	DT
12787	1984	12	ammoniacal	ammoniacal	JJ
12787	1984	13	solutions	solution	NNS
12787	1984	14	serves	serve	VBZ
12787	1984	15	to	to	TO
12787	1984	16	oxidize	oxidize	VB
12787	1984	17	any	any	DT
12787	1984	18	ferrous	ferrous	JJ
12787	1984	19	hydroxide	hydroxide	NN
12787	1984	20	to	to	IN
12787	1984	21	ferric	ferric	NNP
12787	1984	22	hydroxide	hydroxide	NNP
12787	1984	23	and	and	CC
12787	1984	24	to	to	TO
12787	1984	25	precipitate	precipitate	VB
12787	1984	26	manganese	manganese	NNP
12787	1984	27	as	as	IN
12787	1984	28	MnO(OH)_{2	MnO(OH)_{2	NNP
12787	1984	29	}	}	-RRB-
12787	1984	30	.	.	.
12787	1985	1	The	the	DT
12787	1985	2	solution	solution	NN
12787	1985	3	must	must	MD
12787	1985	4	contain	contain	VB
12787	1985	5	not	not	RB
12787	1985	6	more	more	JJR
12787	1985	7	than	than	IN
12787	1985	8	a	a	DT
12787	1985	9	bare	bare	JJ
12787	1985	10	excess	excess	NN
12787	1985	11	of	of	IN
12787	1985	12	hydroxyl	hydroxyl	NNP
12787	1985	13	ions	ion	NNS
12787	1985	14	(	(	-LRB-
12787	1985	15	ammonium	ammonium	NN
12787	1985	16	hydroxide	hydroxide	NN
12787	1985	17	)	)	-RRB-
12787	1985	18	when	when	WRB
12787	1985	19	it	-PRON-	PRP
12787	1985	20	is	be	VBZ
12787	1985	21	filtered	filter	VBN
12787	1985	22	,	,	,
12787	1985	23	on	on	IN
12787	1985	24	account	account	NN
12787	1985	25	of	of	IN
12787	1985	26	the	the	DT
12787	1985	27	tendency	tendency	NN
12787	1985	28	of	of	IN
12787	1985	29	the	the	DT
12787	1985	30	aluminium	aluminium	NN
12787	1985	31	hydroxide	hydroxide	NN
12787	1985	32	to	to	TO
12787	1985	33	redissolve	redissolve	VB
12787	1985	34	.	.	.
12787	1986	1	The	the	DT
12787	1986	2	solution	solution	NN
12787	1986	3	should	should	MD
12787	1986	4	not	not	RB
12787	1986	5	be	be	VB
12787	1986	6	strongly	strongly	RB
12787	1986	7	ammoniacal	ammoniacal	JJ
12787	1986	8	when	when	WRB
12787	1986	9	the	the	DT
12787	1986	10	bromine	bromine	NN
12787	1986	11	is	be	VBZ
12787	1986	12	added	add	VBN
12787	1986	13	,	,	,
12787	1986	14	as	as	IN
12787	1986	15	strong	strong	JJ
12787	1986	16	ammonia	ammonia	NN
12787	1986	17	reacts	react	NNS
12787	1986	18	with	with	IN
12787	1986	19	the	the	DT
12787	1986	20	bromine	bromine	NN
12787	1986	21	,	,	,
12787	1986	22	with	with	IN
12787	1986	23	the	the	DT
12787	1986	24	evolution	evolution	NN
12787	1986	25	of	of	IN
12787	1986	26	nitrogen	nitrogen	NN
12787	1986	27	.	.	.
12787	1986	28	]	]	-RRB-
12787	1987	1	[	[	-LRB-
12787	1987	2	Note	note	NN
12787	1987	3	2	2	CD
12787	1987	4	:	:	:
12787	1987	5	The	the	DT
12787	1987	6	precipitate	precipitate	NN
12787	1987	7	produced	produce	VBN
12787	1987	8	by	by	IN
12787	1987	9	ammonium	ammonium	NN
12787	1987	10	hydroxide	hydroxide	NN
12787	1987	11	and	and	CC
12787	1987	12	bromine	bromine	NNP
12787	1987	13	should	should	MD
12787	1987	14	be	be	VB
12787	1987	15	filtered	filter	VBN
12787	1987	16	off	off	RP
12787	1987	17	promptly	promptly	RB
12787	1987	18	,	,	,
12787	1987	19	since	since	IN
12787	1987	20	the	the	DT
12787	1987	21	alkaline	alkaline	NN
12787	1987	22	solution	solution	NN
12787	1987	23	absorbs	absorb	VBZ
12787	1987	24	carbon	carbon	NN
12787	1987	25	dioxide	dioxide	NN
12787	1987	26	from	from	IN
12787	1987	27	the	the	DT
12787	1987	28	air	air	NN
12787	1987	29	,	,	,
12787	1987	30	with	with	IN
12787	1987	31	consequent	consequent	JJ
12787	1987	32	partial	partial	JJ
12787	1987	33	precipitation	precipitation	NN
12787	1987	34	of	of	IN
12787	1987	35	the	the	DT
12787	1987	36	calcium	calcium	NN
12787	1987	37	as	as	IN
12787	1987	38	carbonate	carbonate	NN
12787	1987	39	.	.	.
12787	1988	1	This	this	DT
12787	1988	2	is	be	VBZ
12787	1988	3	possible	possible	JJ
12787	1988	4	even	even	RB
12787	1988	5	under	under	IN
12787	1988	6	the	the	DT
12787	1988	7	most	most	RBS
12787	1988	8	favorable	favorable	JJ
12787	1988	9	conditions	condition	NNS
12787	1988	10	,	,	,
12787	1988	11	and	and	CC
12787	1988	12	for	for	IN
12787	1988	13	this	this	DT
12787	1988	14	reason	reason	NN
12787	1988	15	the	the	DT
12787	1988	16	iron	iron	NN
12787	1988	17	precipitate	precipitate	NN
12787	1988	18	is	be	VBZ
12787	1988	19	redissolved	redissolve	VBN
12787	1988	20	and	and	CC
12787	1988	21	again	again	RB
12787	1988	22	precipitated	precipitate	VBN
12787	1988	23	to	to	TO
12787	1988	24	free	free	VB
12787	1988	25	it	-PRON-	PRP
12787	1988	26	from	from	IN
12787	1988	27	calcium	calcium	NN
12787	1988	28	.	.	.
12787	1989	1	When	when	WRB
12787	1989	2	the	the	DT
12787	1989	3	precipitate	precipitate	NN
12787	1989	4	is	be	VBZ
12787	1989	5	small	small	JJ
12787	1989	6	,	,	,
12787	1989	7	this	this	DT
12787	1989	8	reprecipitation	reprecipitation	NN
12787	1989	9	may	may	MD
12787	1989	10	be	be	VB
12787	1989	11	omitted	omit	VBN
12787	1989	12	.	.	.
12787	1989	13	]	]	-RRB-
12787	1990	1	[	[	-LRB-
12787	1990	2	Note	note	NN
12787	1990	3	3	3	CD
12787	1990	4	:	:	:
12787	1990	5	In	in	IN
12787	1990	6	the	the	DT
12787	1990	7	absence	absence	NN
12787	1990	8	of	of	IN
12787	1990	9	significant	significant	JJ
12787	1990	10	amounts	amount	NNS
12787	1990	11	of	of	IN
12787	1990	12	manganese	manganese	JJ
12787	1990	13	the	the	DT
12787	1990	14	iron	iron	NN
12787	1990	15	and	and	CC
12787	1990	16	aluminium	aluminium	NN
12787	1990	17	may	may	MD
12787	1990	18	be	be	VB
12787	1990	19	separately	separately	RB
12787	1990	20	determined	determine	VBN
12787	1990	21	by	by	IN
12787	1990	22	fusion	fusion	NN
12787	1990	23	of	of	IN
12787	1990	24	the	the	DT
12787	1990	25	mixed	mixed	JJ
12787	1990	26	ignited	ignited	JJ
12787	1990	27	precipitate	precipitate	NN
12787	1990	28	,	,	,
12787	1990	29	after	after	IN
12787	1990	30	weighing	weigh	VBG
12787	1990	31	,	,	,
12787	1990	32	with	with	IN
12787	1990	33	about	about	RB
12787	1990	34	ten	ten	CD
12787	1990	35	times	time	NNS
12787	1990	36	its	-PRON-	PRP$
12787	1990	37	weight	weight	NN
12787	1990	38	of	of	IN
12787	1990	39	acid	acid	JJ
12787	1990	40	potassium	potassium	NN
12787	1990	41	sulphate	sulphate	NN
12787	1990	42	,	,	,
12787	1990	43	solution	solution	NN
12787	1990	44	of	of	IN
12787	1990	45	the	the	DT
12787	1990	46	cold	cold	JJ
12787	1990	47	fused	fuse	VBN
12787	1990	48	mass	mass	NN
12787	1990	49	in	in	IN
12787	1990	50	water	water	NN
12787	1990	51	,	,	,
12787	1990	52	and	and	CC
12787	1990	53	volumetric	volumetric	JJ
12787	1990	54	determination	determination	NN
12787	1990	55	of	of	IN
12787	1990	56	the	the	DT
12787	1990	57	iron	iron	NN
12787	1990	58	,	,	,
12787	1990	59	as	as	IN
12787	1990	60	described	describe	VBN
12787	1990	61	on	on	IN
12787	1990	62	page	page	NN
12787	1990	63	66	66	CD
12787	1990	64	.	.	.
12787	1991	1	The	the	DT
12787	1991	2	aluminium	aluminium	NN
12787	1991	3	is	be	VBZ
12787	1991	4	then	then	RB
12787	1991	5	determined	determine	VBN
12787	1991	6	by	by	IN
12787	1991	7	difference	difference	NN
12787	1991	8	,	,	,
12787	1991	9	after	after	IN
12787	1991	10	subtracting	subtract	VBG
12787	1991	11	the	the	DT
12787	1991	12	weight	weight	NN
12787	1991	13	of	of	IN
12787	1991	14	ferric	ferric	JJ
12787	1991	15	oxide	oxide	NN
12787	1991	16	corresponding	correspond	VBG
12787	1991	17	to	to	IN
12787	1991	18	the	the	DT
12787	1991	19	amount	amount	NN
12787	1991	20	of	of	IN
12787	1991	21	iron	iron	NN
12787	1991	22	found	find	VBN
12787	1991	23	.	.	.
12787	1992	1	If	if	IN
12787	1992	2	a	a	DT
12787	1992	3	separate	separate	JJ
12787	1992	4	determination	determination	NN
12787	1992	5	of	of	IN
12787	1992	6	the	the	DT
12787	1992	7	iron	iron	NN
12787	1992	8	,	,	,
12787	1992	9	aluminium	aluminium	NN
12787	1992	10	,	,	,
12787	1992	11	and	and	CC
12787	1992	12	manganese	manganese	NNP
12787	1992	13	is	be	VBZ
12787	1992	14	desired	desire	VBN
12787	1992	15	,	,	,
12787	1992	16	the	the	DT
12787	1992	17	mixed	mixed	JJ
12787	1992	18	precipitate	precipitate	NN
12787	1992	19	may	may	MD
12787	1992	20	be	be	VB
12787	1992	21	dissolved	dissolve	VBN
12787	1992	22	in	in	IN
12787	1992	23	acid	acid	NN
12787	1992	24	before	before	IN
12787	1992	25	ignition	ignition	NN
12787	1992	26	,	,	,
12787	1992	27	and	and	CC
12787	1992	28	the	the	DT
12787	1992	29	separation	separation	NN
12787	1992	30	effected	effect	VBN
12787	1992	31	by	by	IN
12787	1992	32	special	special	JJ
12787	1992	33	methods	method	NNS
12787	1992	34	(	(	-LRB-
12787	1992	35	see	see	VB
12787	1992	36	,	,	,
12787	1992	37	for	for	IN
12787	1992	38	example	example	NN
12787	1992	39	,	,	,
12787	1992	40	Fay	Fay	NNP
12787	1992	41	,	,	,
12787	1992	42	!	!	.
12787	1992	43	Quantitative	quantitative	JJ
12787	1992	44	Analyses	Analyses	NNP
12787	1992	45	!	!	.
12787	1992	46	,	,	,
12787	1992	47	First	First	NNP
12787	1992	48	Edition	Edition	NNP
12787	1992	49	,	,	,
12787	1992	50	pp	pp	NNP
12787	1992	51	.	.	.
12787	1993	1	15	15	CD
12787	1993	2	-	-	SYM
12787	1993	3	19	19	CD
12787	1993	4	and	and	CC
12787	1993	5	23	23	CD
12787	1993	6	-	-	SYM
12787	1993	7	27	27	CD
12787	1993	8	)	)	-RRB-
12787	1993	9	.	.	.
12787	1993	10	]	]	-RRB-
12787	1994	1	DETERMINATION	DETERMINATION	NNP
12787	1994	2	OF	of	IN
12787	1994	3	CALCIUM	CALCIUM	NNP
12787	1994	4	PROCEDURE.--To	PROCEDURE.--To	VBZ
12787	1994	5	the	the	DT
12787	1994	6	combined	combine	VBN
12787	1994	7	filtrates	filtrate	NNS
12787	1994	8	from	from	IN
12787	1994	9	the	the	DT
12787	1994	10	double	double	JJ
12787	1994	11	precipitation	precipitation	NN
12787	1994	12	of	of	IN
12787	1994	13	the	the	DT
12787	1994	14	hydroxides	hydroxide	NNS
12787	1994	15	just	just	RB
12787	1994	16	described	describe	VBD
12787	1994	17	,	,	,
12787	1994	18	add	add	VB
12787	1994	19	5	5	CD
12787	1994	20	cc	cc	NN
12787	1994	21	.	.	.
12787	1995	1	of	of	IN
12787	1995	2	dilute	dilute	NNP
12787	1995	3	ammonium	ammonium	NNP
12787	1995	4	hydroxide	hydroxide	NNP
12787	1995	5	(	(	-LRB-
12787	1995	6	sp	sp	NNP
12787	1995	7	.	.	.
12787	1996	1	gr	gr	NNP
12787	1996	2	.	.	.
12787	1997	1	0.96	0.96	LS
12787	1997	2	)	)	-RRB-
12787	1997	3	,	,	,
12787	1997	4	and	and	CC
12787	1997	5	transfer	transfer	VB
12787	1997	6	the	the	DT
12787	1997	7	liquid	liquid	NN
12787	1997	8	to	to	IN
12787	1997	9	a	a	DT
12787	1997	10	500	500	CD
12787	1997	11	cc	cc	NN
12787	1997	12	.	.	.
12787	1998	1	graduated	graduated	JJ
12787	1998	2	flask	flask	NNP
12787	1998	3	,	,	,
12787	1998	4	washing	wash	VBG
12787	1998	5	out	out	RP
12787	1998	6	the	the	DT
12787	1998	7	beaker	beaker	NN
12787	1998	8	carefully	carefully	RB
12787	1998	9	.	.	.
12787	1999	1	Cool	cool	JJ
12787	1999	2	to	to	IN
12787	1999	3	laboratory	laboratory	NN
12787	1999	4	temperature	temperature	NN
12787	1999	5	,	,	,
12787	1999	6	and	and	CC
12787	1999	7	fill	fill	VB
12787	1999	8	the	the	DT
12787	1999	9	flask	flask	NN
12787	1999	10	with	with	IN
12787	1999	11	distilled	distilled	JJ
12787	1999	12	water	water	NN
12787	1999	13	until	until	IN
12787	1999	14	the	the	DT
12787	1999	15	lowest	low	JJS
12787	1999	16	point	point	NN
12787	1999	17	of	of	IN
12787	1999	18	the	the	DT
12787	1999	19	meniscus	meniscus	NN
12787	1999	20	is	be	VBZ
12787	1999	21	exactly	exactly	RB
12787	1999	22	level	level	JJ
12787	1999	23	with	with	IN
12787	1999	24	the	the	DT
12787	1999	25	mark	mark	NN
12787	1999	26	on	on	IN
12787	1999	27	the	the	DT
12787	1999	28	neck	neck	NN
12787	1999	29	of	of	IN
12787	1999	30	the	the	DT
12787	1999	31	flask	flask	NN
12787	1999	32	.	.	.
12787	2000	1	Carefully	carefully	RB
12787	2000	2	remove	remove	VB
12787	2000	3	any	any	DT
12787	2000	4	drops	drop	NNS
12787	2000	5	of	of	IN
12787	2000	6	water	water	NN
12787	2000	7	which	which	WDT
12787	2000	8	are	be	VBP
12787	2000	9	on	on	IN
12787	2000	10	the	the	DT
12787	2000	11	inside	inside	NN
12787	2000	12	of	of	IN
12787	2000	13	the	the	DT
12787	2000	14	neck	neck	NN
12787	2000	15	of	of	IN
12787	2000	16	the	the	DT
12787	2000	17	flask	flask	NN
12787	2000	18	above	above	IN
12787	2000	19	the	the	DT
12787	2000	20	graduation	graduation	NN
12787	2000	21	by	by	IN
12787	2000	22	means	mean	NNS
12787	2000	23	of	of	IN
12787	2000	24	a	a	DT
12787	2000	25	strip	strip	NN
12787	2000	26	of	of	IN
12787	2000	27	filter	filter	NN
12787	2000	28	paper	paper	NN
12787	2000	29	,	,	,
12787	2000	30	make	make	VBP
12787	2000	31	the	the	DT
12787	2000	32	solution	solution	NN
12787	2000	33	uniform	uniform	JJ
12787	2000	34	by	by	IN
12787	2000	35	pouring	pour	VBG
12787	2000	36	it	-PRON-	PRP
12787	2000	37	out	out	RP
12787	2000	38	into	into	IN
12787	2000	39	a	a	DT
12787	2000	40	dry	dry	JJ
12787	2000	41	beaker	beaker	NN
12787	2000	42	and	and	CC
12787	2000	43	back	back	RB
12787	2000	44	into	into	IN
12787	2000	45	the	the	DT
12787	2000	46	flask	flask	NN
12787	2000	47	several	several	JJ
12787	2000	48	times	time	NNS
12787	2000	49	.	.	.
12787	2001	1	Measure	measure	VB
12787	2001	2	off	off	RP
12787	2001	3	one	one	CD
12787	2001	4	fifth	fifth	NN
12787	2001	5	of	of	IN
12787	2001	6	this	this	DT
12787	2001	7	solution	solution	NN
12787	2001	8	as	as	IN
12787	2001	9	follows	follow	VBZ
12787	2001	10	(	(	-LRB-
12787	2001	11	Note	note	NN
12787	2001	12	1	1	CD
12787	2001	13	)	)	-RRB-
12787	2001	14	:	:	:
12787	2001	15	Pour	pour	VB
12787	2001	16	into	into	IN
12787	2001	17	a	a	DT
12787	2001	18	100	100	CD
12787	2001	19	cc	cc	NN
12787	2001	20	.	.	.
12787	2002	1	graduated	graduated	JJ
12787	2002	2	flask	flask	NN
12787	2002	3	about	about	IN
12787	2002	4	10	10	CD
12787	2002	5	cc	cc	NN
12787	2002	6	.	.	.
12787	2003	1	of	of	IN
12787	2003	2	the	the	DT
12787	2003	3	solution	solution	NN
12787	2003	4	,	,	,
12787	2003	5	shake	shake	VB
12787	2003	6	the	the	DT
12787	2003	7	liquid	liquid	NN
12787	2003	8	thoroughly	thoroughly	RB
12787	2003	9	over	over	IN
12787	2003	10	the	the	DT
12787	2003	11	inner	inner	JJ
12787	2003	12	surface	surface	NN
12787	2003	13	of	of	IN
12787	2003	14	the	the	DT
12787	2003	15	small	small	JJ
12787	2003	16	flask	flask	NN
12787	2003	17	,	,	,
12787	2003	18	and	and	CC
12787	2003	19	pour	pour	VB
12787	2003	20	it	-PRON-	PRP
12787	2003	21	out	out	RP
12787	2003	22	.	.	.
12787	2004	1	Repeat	repeat	VB
12787	2004	2	the	the	DT
12787	2004	3	same	same	JJ
12787	2004	4	operation	operation	NN
12787	2004	5	.	.	.
12787	2005	1	Fill	fill	VB
12787	2005	2	the	the	DT
12787	2005	3	100	100	CD
12787	2005	4	cc	cc	NN
12787	2005	5	.	.	.
12787	2006	1	flask	flask	NN
12787	2006	2	until	until	IN
12787	2006	3	the	the	DT
12787	2006	4	lowest	low	JJS
12787	2006	5	point	point	NN
12787	2006	6	of	of	IN
12787	2006	7	the	the	DT
12787	2006	8	meniscus	meniscus	NN
12787	2006	9	is	be	VBZ
12787	2006	10	exactly	exactly	RB
12787	2006	11	level	level	JJ
12787	2006	12	with	with	IN
12787	2006	13	the	the	DT
12787	2006	14	mark	mark	NN
12787	2006	15	on	on	IN
12787	2006	16	its	-PRON-	PRP$
12787	2006	17	neck	neck	NN
12787	2006	18	,	,	,
12787	2006	19	remove	remove	VB
12787	2006	20	any	any	DT
12787	2006	21	drops	drop	NNS
12787	2006	22	of	of	IN
12787	2006	23	solution	solution	NN
12787	2006	24	from	from	IN
12787	2006	25	the	the	DT
12787	2006	26	upper	upper	JJ
12787	2006	27	part	part	NN
12787	2006	28	of	of	IN
12787	2006	29	the	the	DT
12787	2006	30	neck	neck	NN
12787	2006	31	with	with	IN
12787	2006	32	filter	filter	NN
12787	2006	33	paper	paper	NN
12787	2006	34	,	,	,
12787	2006	35	and	and	CC
12787	2006	36	pour	pour	VB
12787	2006	37	the	the	DT
12787	2006	38	solution	solution	NN
12787	2006	39	into	into	IN
12787	2006	40	a	a	DT
12787	2006	41	beaker	beaker	NN
12787	2006	42	(	(	-LRB-
12787	2006	43	400	400	CD
12787	2006	44	-	-	SYM
12787	2006	45	500	500	CD
12787	2006	46	cc	cc	NNP
12787	2006	47	.	.	.
12787	2006	48	)	)	-RRB-
12787	2006	49	.	.	.
12787	2007	1	Wash	wash	VB
12787	2007	2	out	out	RP
12787	2007	3	the	the	DT
12787	2007	4	flask	flask	NN
12787	2007	5	with	with	IN
12787	2007	6	small	small	JJ
12787	2007	7	quantities	quantity	NNS
12787	2007	8	of	of	IN
12787	2007	9	water	water	NN
12787	2007	10	until	until	IN
12787	2007	11	it	-PRON-	PRP
12787	2007	12	is	be	VBZ
12787	2007	13	clean	clean	JJ
12787	2007	14	,	,	,
12787	2007	15	adding	add	VBG
12787	2007	16	these	these	DT
12787	2007	17	to	to	IN
12787	2007	18	the	the	DT
12787	2007	19	100	100	CD
12787	2007	20	cc	cc	NN
12787	2007	21	.	.	.
12787	2008	1	of	of	IN
12787	2008	2	solution	solution	NN
12787	2008	3	.	.	.
12787	2009	1	When	when	WRB
12787	2009	2	the	the	DT
12787	2009	3	duplicate	duplicate	JJ
12787	2009	4	portion	portion	NN
12787	2009	5	of	of	IN
12787	2009	6	100	100	CD
12787	2009	7	cc	cc	NN
12787	2009	8	.	.	.
12787	2010	1	is	be	VBZ
12787	2010	2	measured	measure	VBN
12787	2010	3	out	out	RP
12787	2010	4	from	from	IN
12787	2010	5	the	the	DT
12787	2010	6	solution	solution	NN
12787	2010	7	,	,	,
12787	2010	8	remember	remember	VB
12787	2010	9	that	that	IN
12787	2010	10	the	the	DT
12787	2010	11	flask	flask	NN
12787	2010	12	must	must	MD
12787	2010	13	be	be	VB
12787	2010	14	rinsed	rinse	VBN
12787	2010	15	out	out	RP
12787	2010	16	twice	twice	RB
12787	2010	17	with	with	IN
12787	2010	18	that	that	DT
12787	2010	19	solution	solution	NN
12787	2010	20	,	,	,
12787	2010	21	as	as	IN
12787	2010	22	prescribed	prescribe	VBN
12787	2010	23	above	above	RB
12787	2010	24	,	,	,
12787	2010	25	before	before	IN
12787	2010	26	the	the	DT
12787	2010	27	measurement	measurement	NN
12787	2010	28	is	be	VBZ
12787	2010	29	made	make	VBN
12787	2010	30	.	.	.
12787	2011	1	(	(	-LRB-
12787	2011	2	A	a	DT
12787	2011	3	100	100	CD
12787	2011	4	cc	cc	NN
12787	2011	5	.	.	.
12787	2012	1	pipette	pipette	NNP
12787	2012	2	may	may	MD
12787	2012	3	be	be	VB
12787	2012	4	used	use	VBN
12787	2012	5	to	to	TO
12787	2012	6	measure	measure	VB
12787	2012	7	out	out	RP
12787	2012	8	the	the	DT
12787	2012	9	aliquot	aliquot	NNS
12787	2012	10	portions	portion	NNS
12787	2012	11	,	,	,
12787	2012	12	if	if	IN
12787	2012	13	preferred	prefer	VBN
12787	2012	14	.	.	.
12787	2012	15	)	)	-RRB-
12787	2013	1	Dilute	dilute	VB
12787	2013	2	each	each	DT
12787	2013	3	of	of	IN
12787	2013	4	the	the	DT
12787	2013	5	measured	measured	JJ
12787	2013	6	portions	portion	NNS
12787	2013	7	to	to	IN
12787	2013	8	250	250	CD
12787	2013	9	cc	cc	NN
12787	2013	10	.	.	.
12787	2014	1	with	with	IN
12787	2014	2	distilled	distilled	JJ
12787	2014	3	water	water	NN
12787	2014	4	,	,	,
12787	2014	5	heat	heat	VB
12787	2014	6	the	the	DT
12787	2014	7	whole	whole	NN
12787	2014	8	to	to	IN
12787	2014	9	boiling	boil	VBG
12787	2014	10	,	,	,
12787	2014	11	and	and	CC
12787	2014	12	add	add	VB
12787	2014	13	ammonium	ammonium	NN
12787	2014	14	oxalate	oxalate	NN
12787	2014	15	solution	solution	NN
12787	2014	16	slowly	slowly	RB
12787	2014	17	in	in	IN
12787	2014	18	moderate	moderate	JJ
12787	2014	19	excess	excess	NN
12787	2014	20	,	,	,
12787	2014	21	stirring	stir	VBG
12787	2014	22	well	well	RB
12787	2014	23	.	.	.
12787	2015	1	Boil	Boil	NNP
12787	2015	2	for	for	IN
12787	2015	3	two	two	CD
12787	2015	4	minutes	minute	NNS
12787	2015	5	;	;	:
12787	2015	6	allow	allow	VBP
12787	2015	7	the	the	DT
12787	2015	8	precipitated	precipitate	VBN
12787	2015	9	calcium	calcium	NN
12787	2015	10	oxalate	oxalate	VBP
12787	2015	11	to	to	TO
12787	2015	12	settle	settle	VB
12787	2015	13	for	for	IN
12787	2015	14	a	a	DT
12787	2015	15	half	half	JJ
12787	2015	16	-	-	HYPH
12787	2015	17	hour	hour	NN
12787	2015	18	,	,	,
12787	2015	19	and	and	CC
12787	2015	20	decant	decant	NN
12787	2015	21	through	through	IN
12787	2015	22	a	a	DT
12787	2015	23	filter	filter	NN
12787	2015	24	.	.	.
12787	2016	1	Test	test	VB
12787	2016	2	the	the	DT
12787	2016	3	filtrate	filtrate	JJ
12787	2016	4	for	for	IN
12787	2016	5	complete	complete	JJ
12787	2016	6	precipitation	precipitation	NN
12787	2016	7	by	by	IN
12787	2016	8	adding	add	VBG
12787	2016	9	a	a	DT
12787	2016	10	few	few	JJ
12787	2016	11	cubic	cubic	JJ
12787	2016	12	centimeters	centimeter	NNS
12787	2016	13	of	of	IN
12787	2016	14	the	the	DT
12787	2016	15	precipitant	precipitant	NN
12787	2016	16	,	,	,
12787	2016	17	allowing	allow	VBG
12787	2016	18	it	-PRON-	PRP
12787	2016	19	to	to	TO
12787	2016	20	stand	stand	VB
12787	2016	21	for	for	IN
12787	2016	22	fifteen	fifteen	CD
12787	2016	23	minutes	minute	NNS
12787	2016	24	.	.	.
12787	2017	1	If	if	IN
12787	2017	2	no	no	DT
12787	2017	3	precipitate	precipitate	NN
12787	2017	4	forms	form	NNS
12787	2017	5	,	,	,
12787	2017	6	make	make	VB
12787	2017	7	the	the	DT
12787	2017	8	solution	solution	NN
12787	2017	9	slightly	slightly	RB
12787	2017	10	acid	acid	JJ
12787	2017	11	with	with	IN
12787	2017	12	hydrochloric	hydrochloric	JJ
12787	2017	13	acid	acid	NN
12787	2017	14	(	(	-LRB-
12787	2017	15	Note	note	NN
12787	2017	16	2	2	CD
12787	2017	17	)	)	-RRB-
12787	2017	18	;	;	:
12787	2017	19	see	see	VB
12787	2017	20	that	that	IN
12787	2017	21	it	-PRON-	PRP
12787	2017	22	is	be	VBZ
12787	2017	23	properly	properly	RB
12787	2017	24	labeled	label	VBN
12787	2017	25	and	and	CC
12787	2017	26	reserve	reserve	VB
12787	2017	27	it	-PRON-	PRP
12787	2017	28	to	to	TO
12787	2017	29	be	be	VB
12787	2017	30	combined	combine	VBN
12787	2017	31	with	with	IN
12787	2017	32	the	the	DT
12787	2017	33	filtrate	filtrate	JJ
12787	2017	34	from	from	IN
12787	2017	35	the	the	DT
12787	2017	36	second	second	JJ
12787	2017	37	calcium	calcium	NN
12787	2017	38	oxalate	oxalate	NN
12787	2017	39	precipitation	precipitation	NN
12787	2017	40	(	(	-LRB-
12787	2017	41	Notes	Notes	NNP
12787	2017	42	3	3	CD
12787	2017	43	and	and	CC
12787	2017	44	4	4	CD
12787	2017	45	)	)	-RRB-
12787	2017	46	.	.	.
12787	2018	1	Redissolve	redissolve	VB
12787	2018	2	the	the	DT
12787	2018	3	calcium	calcium	NN
12787	2018	4	oxalate	oxalate	VBP
12787	2018	5	in	in	IN
12787	2018	6	the	the	DT
12787	2018	7	beaker	beaker	NN
12787	2018	8	with	with	IN
12787	2018	9	warm	warm	JJ
12787	2018	10	hydrochloric	hydrochloric	JJ
12787	2018	11	acid	acid	NN
12787	2018	12	,	,	,
12787	2018	13	pouring	pour	VBG
12787	2018	14	the	the	DT
12787	2018	15	acid	acid	NN
12787	2018	16	through	through	IN
12787	2018	17	the	the	DT
12787	2018	18	filter	filter	NN
12787	2018	19	.	.	.
12787	2019	1	Wash	wash	VB
12787	2019	2	the	the	DT
12787	2019	3	filter	filter	JJ
12787	2019	4	five	five	CD
12787	2019	5	times	time	NNS
12787	2019	6	with	with	IN
12787	2019	7	water	water	NN
12787	2019	8	,	,	,
12787	2019	9	and	and	CC
12787	2019	10	finally	finally	RB
12787	2019	11	pour	pour	VBP
12787	2019	12	through	through	IN
12787	2019	13	it	-PRON-	PRP
12787	2019	14	aqueous	aqueous	JJ
12787	2019	15	ammonia	ammonia	NN
12787	2019	16	.	.	.
12787	2020	1	Dilute	dilute	VB
12787	2020	2	the	the	DT
12787	2020	3	solution	solution	NN
12787	2020	4	to	to	IN
12787	2020	5	250	250	CD
12787	2020	6	cc	cc	NNP
12787	2020	7	.	.	.
12787	2020	8	,	,	,
12787	2020	9	bring	bring	VB
12787	2020	10	to	to	IN
12787	2020	11	boiling	boiling	NN
12787	2020	12	,	,	,
12787	2020	13	and	and	CC
12787	2020	14	add	add	VB
12787	2020	15	1	1	CD
12787	2020	16	cc	cc	NN
12787	2020	17	.	.	.
12787	2021	1	ammonium	ammonium	NN
12787	2021	2	oxalate	oxalate	NN
12787	2021	3	solution	solution	NN
12787	2021	4	(	(	-LRB-
12787	2021	5	Note	note	NN
12787	2021	6	5	5	CD
12787	2021	7	)	)	-RRB-
12787	2021	8	and	and	CC
12787	2021	9	ammonia	ammonia	NN
12787	2021	10	in	in	IN
12787	2021	11	slight	slight	JJ
12787	2021	12	excess	excess	NN
12787	2021	13	;	;	:
12787	2021	14	boil	boil	VB
12787	2021	15	for	for	IN
12787	2021	16	two	two	CD
12787	2021	17	minutes	minute	NNS
12787	2021	18	,	,	,
12787	2021	19	and	and	CC
12787	2021	20	set	set	VB
12787	2021	21	aside	aside	RB
12787	2021	22	for	for	IN
12787	2021	23	a	a	DT
12787	2021	24	half	half	JJ
12787	2021	25	-	-	HYPH
12787	2021	26	hour	hour	NN
12787	2021	27	.	.	.
12787	2022	1	Filter	filter	VB
12787	2022	2	off	off	RP
12787	2022	3	the	the	DT
12787	2022	4	calcium	calcium	NN
12787	2022	5	oxalate	oxalate	VBP
12787	2022	6	upon	upon	IN
12787	2022	7	the	the	DT
12787	2022	8	filter	filter	NN
12787	2022	9	first	first	RB
12787	2022	10	used	use	VBN
12787	2022	11	,	,	,
12787	2022	12	and	and	CC
12787	2022	13	wash	wash	VB
12787	2022	14	free	free	JJ
12787	2022	15	from	from	IN
12787	2022	16	chlorides	chloride	NNS
12787	2022	17	.	.	.
12787	2023	1	The	the	DT
12787	2023	2	filtrate	filtrate	NN
12787	2023	3	should	should	MD
12787	2023	4	be	be	VB
12787	2023	5	made	make	VBN
12787	2023	6	barely	barely	RB
12787	2023	7	acid	acid	JJ
12787	2023	8	with	with	IN
12787	2023	9	hydrochloric	hydrochloric	JJ
12787	2023	10	acid	acid	NN
12787	2023	11	and	and	CC
12787	2023	12	combined	combine	VBN
12787	2023	13	with	with	IN
12787	2023	14	the	the	DT
12787	2023	15	filtrate	filtrate	JJ
12787	2023	16	from	from	IN
12787	2023	17	the	the	DT
12787	2023	18	first	first	JJ
12787	2023	19	precipitation	precipitation	NN
12787	2023	20	.	.	.
12787	2024	1	Begin	begin	VB
12787	2024	2	at	at	IN
12787	2024	3	once	once	IN
12787	2024	4	the	the	DT
12787	2024	5	evaporation	evaporation	NN
12787	2024	6	of	of	IN
12787	2024	7	the	the	DT
12787	2024	8	solutions	solution	NNS
12787	2024	9	for	for	IN
12787	2024	10	the	the	DT
12787	2024	11	determination	determination	NN
12787	2024	12	of	of	IN
12787	2024	13	magnesium	magnesium	NN
12787	2024	14	as	as	IN
12787	2024	15	described	describe	VBN
12787	2024	16	below	below	RB
12787	2024	17	.	.	.
12787	2025	1	The	the	DT
12787	2025	2	precipitate	precipitate	NN
12787	2025	3	of	of	IN
12787	2025	4	calcium	calcium	NN
12787	2025	5	oxalate	oxalate	NN
12787	2025	6	may	may	MD
12787	2025	7	be	be	VB
12787	2025	8	converted	convert	VBN
12787	2025	9	into	into	IN
12787	2025	10	calcium	calcium	NN
12787	2025	11	oxide	oxide	NN
12787	2025	12	by	by	IN
12787	2025	13	ignition	ignition	NN
12787	2025	14	without	without	IN
12787	2025	15	previous	previous	JJ
12787	2025	16	drying	drying	NN
12787	2025	17	.	.	.
12787	2026	1	After	after	IN
12787	2026	2	burning	burn	VBG
12787	2026	3	the	the	DT
12787	2026	4	filter	filter	NN
12787	2026	5	,	,	,
12787	2026	6	it	-PRON-	PRP
12787	2026	7	may	may	MD
12787	2026	8	be	be	VB
12787	2026	9	ignited	ignite	VBN
12787	2026	10	for	for	IN
12787	2026	11	three	three	CD
12787	2026	12	quarters	quarter	NNS
12787	2026	13	of	of	IN
12787	2026	14	an	an	DT
12787	2026	15	hour	hour	NN
12787	2026	16	in	in	IN
12787	2026	17	a	a	DT
12787	2026	18	platinum	platinum	NN
12787	2026	19	crucible	crucible	JJ
12787	2026	20	at	at	IN
12787	2026	21	the	the	DT
12787	2026	22	highest	high	JJS
12787	2026	23	heat	heat	NN
12787	2026	24	of	of	IN
12787	2026	25	the	the	DT
12787	2026	26	Bunsen	Bunsen	NNP
12787	2026	27	or	or	CC
12787	2026	28	Tirrill	Tirrill	NNP
12787	2026	29	burner	burner	NN
12787	2026	30	,	,	,
12787	2026	31	and	and	CC
12787	2026	32	finally	finally	RB
12787	2026	33	for	for	IN
12787	2026	34	ten	ten	CD
12787	2026	35	minutes	minute	NNS
12787	2026	36	at	at	IN
12787	2026	37	the	the	DT
12787	2026	38	blast	blast	NN
12787	2026	39	lamp	lamp	NN
12787	2026	40	(	(	-LRB-
12787	2026	41	Note	note	NN
12787	2026	42	6	6	CD
12787	2026	43	)	)	-RRB-
12787	2026	44	.	.	.
12787	2027	1	Repeat	repeat	VB
12787	2027	2	the	the	DT
12787	2027	3	heating	heating	NN
12787	2027	4	over	over	IN
12787	2027	5	the	the	DT
12787	2027	6	blast	blast	NN
12787	2027	7	lamp	lamp	NN
12787	2027	8	until	until	IN
12787	2027	9	the	the	DT
12787	2027	10	weight	weight	NN
12787	2027	11	is	be	VBZ
12787	2027	12	constant	constant	JJ
12787	2027	13	.	.	.
12787	2028	1	As	as	IN
12787	2028	2	the	the	DT
12787	2028	3	calcium	calcium	NN
12787	2028	4	oxide	oxide	NN
12787	2028	5	absorbs	absorb	VBZ
12787	2028	6	moisture	moisture	NN
12787	2028	7	from	from	IN
12787	2028	8	the	the	DT
12787	2028	9	air	air	NN
12787	2028	10	,	,	,
12787	2028	11	it	-PRON-	PRP
12787	2028	12	must	must	MD
12787	2028	13	(	(	-LRB-
12787	2028	14	after	after	IN
12787	2028	15	cooling	cool	VBG
12787	2028	16	)	)	-RRB-
12787	2028	17	be	be	VB
12787	2028	18	weighed	weigh	VBN
12787	2028	19	as	as	RB
12787	2028	20	rapidly	rapidly	RB
12787	2028	21	as	as	IN
12787	2028	22	possible	possible	JJ
12787	2028	23	.	.	.
12787	2029	1	The	the	DT
12787	2029	2	precipitate	precipitate	NN
12787	2029	3	may	may	MD
12787	2029	4	,	,	,
12787	2029	5	if	if	IN
12787	2029	6	preferred	prefer	VBN
12787	2029	7	,	,	,
12787	2029	8	be	be	VB
12787	2029	9	placed	place	VBN
12787	2029	10	in	in	IN
12787	2029	11	a	a	DT
12787	2029	12	weighted	weighted	JJ
12787	2029	13	porcelain	porcelain	NN
12787	2029	14	crucible	crucible	JJ
12787	2029	15	.	.	.
12787	2030	1	After	after	IN
12787	2030	2	burning	burn	VBG
12787	2030	3	off	off	RP
12787	2030	4	the	the	DT
12787	2030	5	filter	filter	NN
12787	2030	6	and	and	CC
12787	2030	7	heating	heating	NN
12787	2030	8	for	for	IN
12787	2030	9	ten	ten	CD
12787	2030	10	minutes	minute	NNS
12787	2030	11	the	the	DT
12787	2030	12	calcium	calcium	NN
12787	2030	13	precipitate	precipitate	NN
12787	2030	14	may	may	MD
12787	2030	15	be	be	VB
12787	2030	16	converted	convert	VBN
12787	2030	17	into	into	IN
12787	2030	18	calcium	calcium	NN
12787	2030	19	sulphate	sulphate	NN
12787	2030	20	by	by	IN
12787	2030	21	placing	place	VBG
12787	2030	22	2	2	CD
12787	2030	23	cc	cc	NN
12787	2030	24	.	.	.
12787	2031	1	of	of	IN
12787	2031	2	dilute	dilute	NNP
12787	2031	3	sulphuric	sulphuric	NNP
12787	2031	4	acid	acid	NN
12787	2031	5	in	in	IN
12787	2031	6	the	the	DT
12787	2031	7	crucible	crucible	JJ
12787	2031	8	(	(	-LRB-
12787	2031	9	cold	cold	JJ
12787	2031	10	)	)	-RRB-
12787	2031	11	,	,	,
12787	2031	12	heating	heat	VBG
12787	2031	13	the	the	DT
12787	2031	14	covered	cover	VBN
12787	2031	15	crucible	crucible	NN
12787	2031	16	very	very	RB
12787	2031	17	cautiously	cautiously	RB
12787	2031	18	over	over	IN
12787	2031	19	a	a	DT
12787	2031	20	low	low	JJ
12787	2031	21	flame	flame	NN
12787	2031	22	to	to	TO
12787	2031	23	drive	drive	VB
12787	2031	24	off	off	RP
12787	2031	25	the	the	DT
12787	2031	26	excess	excess	NN
12787	2031	27	of	of	IN
12787	2031	28	acid	acid	NN
12787	2031	29	,	,	,
12787	2031	30	and	and	CC
12787	2031	31	finally	finally	RB
12787	2031	32	at	at	IN
12787	2031	33	redness	redness	NN
12787	2031	34	to	to	IN
12787	2031	35	constant	constant	JJ
12787	2031	36	weight	weight	NN
12787	2031	37	(	(	-LRB-
12787	2031	38	Note	note	NN
12787	2031	39	7	7	CD
12787	2031	40	)	)	-RRB-
12787	2031	41	.	.	.
12787	2032	1	From	from	IN
12787	2032	2	the	the	DT
12787	2032	3	weight	weight	NN
12787	2032	4	of	of	IN
12787	2032	5	the	the	DT
12787	2032	6	oxide	oxide	NN
12787	2032	7	or	or	CC
12787	2032	8	sulphate	sulphate	NN
12787	2032	9	,	,	,
12787	2032	10	calculate	calculate	VB
12787	2032	11	the	the	DT
12787	2032	12	percentage	percentage	NN
12787	2032	13	of	of	IN
12787	2032	14	the	the	DT
12787	2032	15	calcium	calcium	NN
12787	2032	16	(	(	-LRB-
12787	2032	17	Ca	ca	NN
12787	2032	18	)	)	-RRB-
12787	2032	19	in	in	IN
12787	2032	20	the	the	DT
12787	2032	21	limestone	limestone	NN
12787	2032	22	,	,	,
12787	2032	23	remembering	remember	VBG
12787	2032	24	that	that	IN
12787	2032	25	only	only	RB
12787	2032	26	one	one	CD
12787	2032	27	fifth	fifth	NN
12787	2032	28	of	of	IN
12787	2032	29	the	the	DT
12787	2032	30	total	total	JJ
12787	2032	31	solution	solution	NN
12787	2032	32	is	be	VBZ
12787	2032	33	used	use	VBN
12787	2032	34	for	for	IN
12787	2032	35	this	this	DT
12787	2032	36	determination	determination	NN
12787	2032	37	.	.	.
12787	2033	1	[	[	-LRB-
12787	2033	2	Note	note	NN
12787	2033	3	1	1	CD
12787	2033	4	:	:	:
12787	2033	5	If	if	IN
12787	2033	6	the	the	DT
12787	2033	7	calcium	calcium	NN
12787	2033	8	were	be	VBD
12787	2033	9	precipitated	precipitate	VBN
12787	2033	10	from	from	IN
12787	2033	11	the	the	DT
12787	2033	12	entire	entire	JJ
12787	2033	13	solution	solution	NN
12787	2033	14	,	,	,
12787	2033	15	the	the	DT
12787	2033	16	quantity	quantity	NN
12787	2033	17	of	of	IN
12787	2033	18	the	the	DT
12787	2033	19	precipitate	precipitate	NN
12787	2033	20	would	would	MD
12787	2033	21	be	be	VB
12787	2033	22	greater	great	JJR
12787	2033	23	than	than	IN
12787	2033	24	could	could	MD
12787	2033	25	be	be	VB
12787	2033	26	properly	properly	RB
12787	2033	27	treated	treat	VBN
12787	2033	28	.	.	.
12787	2034	1	The	the	DT
12787	2034	2	solution	solution	NN
12787	2034	3	is	be	VBZ
12787	2034	4	,	,	,
12787	2034	5	therefore	therefore	RB
12787	2034	6	,	,	,
12787	2034	7	diluted	dilute	VBN
12787	2034	8	to	to	IN
12787	2034	9	a	a	DT
12787	2034	10	definite	definite	JJ
12787	2034	11	volume	volume	NN
12787	2034	12	(	(	-LRB-
12787	2034	13	500	500	CD
12787	2034	14	cc	cc	NNP
12787	2034	15	.	.	.
12787	2035	1	)	)	-RRB-
12787	2035	2	,	,	,
12787	2035	3	and	and	CC
12787	2035	4	exactly	exactly	RB
12787	2035	5	one	one	CD
12787	2035	6	fifth	fifth	JJ
12787	2035	7	(	(	-LRB-
12787	2035	8	100	100	CD
12787	2035	9	cc	cc	NNP
12787	2035	10	.	.	.
12787	2035	11	)	)	-RRB-
12787	2036	1	is	be	VBZ
12787	2036	2	measured	measure	VBN
12787	2036	3	off	off	RP
12787	2036	4	in	in	IN
12787	2036	5	a	a	DT
12787	2036	6	graduated	graduate	VBN
12787	2036	7	flask	flask	NN
12787	2036	8	or	or	CC
12787	2036	9	by	by	IN
12787	2036	10	means	mean	NNS
12787	2036	11	of	of	IN
12787	2036	12	a	a	DT
12787	2036	13	pipette	pipette	NN
12787	2036	14	.	.	.
12787	2036	15	]	]	-RRB-
12787	2037	1	[	[	-LRB-
12787	2037	2	Note	note	NN
12787	2037	3	2	2	CD
12787	2037	4	:	:	:
12787	2037	5	The	the	DT
12787	2037	6	filtrate	filtrate	JJ
12787	2037	7	from	from	IN
12787	2037	8	the	the	DT
12787	2037	9	calcium	calcium	NN
12787	2037	10	oxalate	oxalate	NN
12787	2037	11	should	should	MD
12787	2037	12	be	be	VB
12787	2037	13	made	make	VBN
12787	2037	14	slightly	slightly	RB
12787	2037	15	acid	acid	VB
12787	2037	16	immediately	immediately	RB
12787	2037	17	after	after	IN
12787	2037	18	filtration	filtration	NN
12787	2037	19	,	,	,
12787	2037	20	in	in	IN
12787	2037	21	order	order	NN
12787	2037	22	to	to	TO
12787	2037	23	avoid	avoid	VB
12787	2037	24	the	the	DT
12787	2037	25	solvent	solvent	NN
12787	2037	26	action	action	NN
12787	2037	27	of	of	IN
12787	2037	28	the	the	DT
12787	2037	29	alkaline	alkaline	NN
12787	2037	30	liquid	liquid	NN
12787	2037	31	upon	upon	IN
12787	2037	32	the	the	DT
12787	2037	33	glass	glass	NN
12787	2037	34	.	.	.
12787	2037	35	]	]	-RRB-
12787	2038	1	[	[	-LRB-
12787	2038	2	Note	note	NN
12787	2038	3	3	3	CD
12787	2038	4	:	:	:
12787	2038	5	The	the	DT
12787	2038	6	accurate	accurate	JJ
12787	2038	7	quantitative	quantitative	JJ
12787	2038	8	separation	separation	NN
12787	2038	9	of	of	IN
12787	2038	10	calcium	calcium	NN
12787	2038	11	and	and	CC
12787	2038	12	magnesium	magnesium	NN
12787	2038	13	as	as	IN
12787	2038	14	oxalates	oxalate	NNS
12787	2038	15	requires	require	VBZ
12787	2038	16	considerable	considerable	JJ
12787	2038	17	care	care	NN
12787	2038	18	.	.	.
12787	2039	1	The	the	DT
12787	2039	2	calcium	calcium	NN
12787	2039	3	precipitate	precipitate	NN
12787	2039	4	usually	usually	RB
12787	2039	5	carries	carry	VBZ
12787	2039	6	down	down	RP
12787	2039	7	with	with	IN
12787	2039	8	it	-PRON-	PRP
12787	2039	9	some	some	DT
12787	2039	10	magnesium	magnesium	NN
12787	2039	11	,	,	,
12787	2039	12	and	and	CC
12787	2039	13	this	this	DT
12787	2039	14	can	can	MD
12787	2039	15	best	best	RB
12787	2039	16	be	be	VB
12787	2039	17	removed	remove	VBN
12787	2039	18	by	by	IN
12787	2039	19	redissolving	redissolve	VBG
12787	2039	20	the	the	DT
12787	2039	21	precipitate	precipitate	NN
12787	2039	22	after	after	IN
12787	2039	23	filtration	filtration	NN
12787	2039	24	,	,	,
12787	2039	25	and	and	CC
12787	2039	26	reprecipitation	reprecipitation	NN
12787	2039	27	in	in	IN
12787	2039	28	the	the	DT
12787	2039	29	presence	presence	NN
12787	2039	30	of	of	IN
12787	2039	31	only	only	RB
12787	2039	32	the	the	DT
12787	2039	33	small	small	JJ
12787	2039	34	amount	amount	NN
12787	2039	35	of	of	IN
12787	2039	36	magnesium	magnesium	NN
12787	2039	37	which	which	WDT
12787	2039	38	was	be	VBD
12787	2039	39	included	include	VBN
12787	2039	40	in	in	IN
12787	2039	41	the	the	DT
12787	2039	42	first	first	JJ
12787	2039	43	precipitate	precipitate	NN
12787	2039	44	.	.	.
12787	2040	1	When	when	WRB
12787	2040	2	,	,	,
12787	2040	3	however	however	RB
12787	2040	4	,	,	,
12787	2040	5	the	the	DT
12787	2040	6	proportion	proportion	NN
12787	2040	7	of	of	IN
12787	2040	8	magnesium	magnesium	NN
12787	2040	9	is	be	VBZ
12787	2040	10	not	not	RB
12787	2040	11	very	very	RB
12787	2040	12	large	large	JJ
12787	2040	13	,	,	,
12787	2040	14	the	the	DT
12787	2040	15	second	second	JJ
12787	2040	16	precipitation	precipitation	NN
12787	2040	17	of	of	IN
12787	2040	18	the	the	DT
12787	2040	19	calcium	calcium	NN
12787	2040	20	can	can	MD
12787	2040	21	usually	usually	RB
12787	2040	22	be	be	VB
12787	2040	23	avoided	avoid	VBN
12787	2040	24	by	by	IN
12787	2040	25	precipitating	precipitate	VBG
12787	2040	26	it	-PRON-	PRP
12787	2040	27	from	from	IN
12787	2040	28	a	a	DT
12787	2040	29	rather	rather	RB
12787	2040	30	dilute	dilute	NN
12787	2040	31	solution	solution	NN
12787	2040	32	(	(	-LRB-
12787	2040	33	800	800	CD
12787	2040	34	cc	cc	NN
12787	2040	35	.	.	.
12787	2041	1	or	or	CC
12787	2041	2	so	so	RB
12787	2041	3	)	)	-RRB-
12787	2041	4	and	and	CC
12787	2041	5	in	in	IN
12787	2041	6	the	the	DT
12787	2041	7	presence	presence	NN
12787	2041	8	of	of	IN
12787	2041	9	a	a	DT
12787	2041	10	considerable	considerable	JJ
12787	2041	11	excess	excess	NN
12787	2041	12	of	of	IN
12787	2041	13	the	the	DT
12787	2041	14	precipitant	precipitant	NN
12787	2041	15	,	,	,
12787	2041	16	that	that	RB
12787	2041	17	is	is	RB
12787	2041	18	,	,	,
12787	2041	19	rather	rather	RB
12787	2041	20	more	more	JJR
12787	2041	21	than	than	IN
12787	2041	22	enough	enough	JJ
12787	2041	23	to	to	TO
12787	2041	24	convert	convert	VB
12787	2041	25	both	both	CC
12787	2041	26	the	the	DT
12787	2041	27	magnesium	magnesium	NN
12787	2041	28	and	and	CC
12787	2041	29	calcium	calcium	NN
12787	2041	30	into	into	IN
12787	2041	31	oxalates	oxalate	NNS
12787	2041	32	.	.	.
12787	2041	33	]	]	-RRB-
12787	2042	1	[	[	-LRB-
12787	2042	2	Note	note	NN
12787	2042	3	4	4	CD
12787	2042	4	:	:	:
12787	2042	5	The	the	DT
12787	2042	6	ionic	ionic	JJ
12787	2042	7	changes	change	NNS
12787	2042	8	involved	involve	VBN
12787	2042	9	in	in	IN
12787	2042	10	the	the	DT
12787	2042	11	precipitation	precipitation	NN
12787	2042	12	of	of	IN
12787	2042	13	calcium	calcium	NN
12787	2042	14	as	as	IN
12787	2042	15	oxalate	oxalate	NN
12787	2042	16	are	be	VBP
12787	2042	17	exceedingly	exceedingly	RB
12787	2042	18	simple	simple	JJ
12787	2042	19	,	,	,
12787	2042	20	and	and	CC
12787	2042	21	the	the	DT
12787	2042	22	principles	principle	NNS
12787	2042	23	discussed	discuss	VBN
12787	2042	24	in	in	IN
12787	2042	25	connection	connection	NN
12787	2042	26	with	with	IN
12787	2042	27	the	the	DT
12787	2042	28	barium	barium	NN
12787	2042	29	sulphate	sulphate	NN
12787	2042	30	precipitation	precipitation	NN
12787	2042	31	on	on	IN
12787	2042	32	page	page	NN
12787	2042	33	113	113	CD
12787	2042	34	also	also	RB
12787	2042	35	apply	apply	VBP
12787	2042	36	here	here	RB
12787	2042	37	.	.	.
12787	2043	1	The	the	DT
12787	2043	2	reaction	reaction	NN
12787	2043	3	is	be	VBZ
12787	2043	4	C_{2}O_{4}^{--	C_{2}O_{4}^{--	NNP
12787	2043	5	}	}	-RRB-
12787	2043	6	+	+	CC
12787	2043	7	Ca^{++	Ca^{++	NNS
12787	2043	8	}	}	-RRB-
12787	2043	9	--	--	:
12787	2043	10	>	>	XX
12787	2043	11	[	[	-LRB-
12787	2043	12	CaC_{2}O_{4	CaC_{2}O_{4	NNP
12787	2043	13	}	}	-RRB-
12787	2043	14	]	]	-RRB-
12787	2043	15	.	.	.
12787	2044	1	Calcium	calcium	NN
12787	2044	2	oxalate	oxalate	NN
12787	2044	3	is	be	VBZ
12787	2044	4	nearly	nearly	RB
12787	2044	5	insoluble	insoluble	JJ
12787	2044	6	in	in	IN
12787	2044	7	water	water	NN
12787	2044	8	,	,	,
12787	2044	9	and	and	CC
12787	2044	10	only	only	RB
12787	2044	11	very	very	RB
12787	2044	12	slightly	slightly	RB
12787	2044	13	soluble	soluble	JJ
12787	2044	14	in	in	IN
12787	2044	15	acetic	acetic	JJ
12787	2044	16	acid	acid	NN
12787	2044	17	,	,	,
12787	2044	18	but	but	CC
12787	2044	19	is	be	VBZ
12787	2044	20	readily	readily	RB
12787	2044	21	dissolved	dissolve	VBN
12787	2044	22	by	by	IN
12787	2044	23	the	the	DT
12787	2044	24	strong	strong	JJ
12787	2044	25	mineral	mineral	NN
12787	2044	26	acids	acid	NNS
12787	2044	27	.	.	.
12787	2045	1	This	this	DT
12787	2045	2	behavior	behavior	NN
12787	2045	3	with	with	IN
12787	2045	4	acids	acid	NNS
12787	2045	5	is	be	VBZ
12787	2045	6	explained	explain	VBN
12787	2045	7	by	by	IN
12787	2045	8	the	the	DT
12787	2045	9	fact	fact	NN
12787	2045	10	that	that	IN
12787	2045	11	oxalic	oxalic	JJ
12787	2045	12	acid	acid	NN
12787	2045	13	is	be	VBZ
12787	2045	14	a	a	DT
12787	2045	15	stronger	strong	JJR
12787	2045	16	acid	acid	NN
12787	2045	17	than	than	IN
12787	2045	18	acetic	acetic	JJ
12787	2045	19	acid	acid	NN
12787	2045	20	;	;	:
12787	2045	21	when	when	WRB
12787	2045	22	,	,	,
12787	2045	23	therefore	therefore	RB
12787	2045	24	,	,	,
12787	2045	25	the	the	DT
12787	2045	26	oxalate	oxalate	NN
12787	2045	27	is	be	VBZ
12787	2045	28	brought	bring	VBN
12787	2045	29	into	into	IN
12787	2045	30	contact	contact	NN
12787	2045	31	with	with	IN
12787	2045	32	the	the	DT
12787	2045	33	latter	latter	JJ
12787	2045	34	there	there	EX
12787	2045	35	is	be	VBZ
12787	2045	36	almost	almost	RB
12787	2045	37	no	no	DT
12787	2045	38	tendency	tendency	NN
12787	2045	39	to	to	TO
12787	2045	40	diminish	diminish	VB
12787	2045	41	the	the	DT
12787	2045	42	concentration	concentration	NN
12787	2045	43	of	of	IN
12787	2045	44	C_{2}O_{4}^{--	c_{2}o_{4}^{--	JJ
12787	2045	45	}	}	-RRB-
12787	2045	46	ions	ion	NNS
12787	2045	47	by	by	IN
12787	2045	48	the	the	DT
12787	2045	49	formation	formation	NN
12787	2045	50	of	of	IN
12787	2045	51	an	an	DT
12787	2045	52	acid	acid	NN
12787	2045	53	less	less	RBR
12787	2045	54	dissociated	dissociated	JJ
12787	2045	55	than	than	IN
12787	2045	56	the	the	DT
12787	2045	57	acetic	acetic	JJ
12787	2045	58	acid	acid	NN
12787	2045	59	itself	-PRON-	PRP
12787	2045	60	,	,	,
12787	2045	61	and	and	CC
12787	2045	62	practically	practically	RB
12787	2045	63	no	no	DT
12787	2045	64	solvent	solvent	JJ
12787	2045	65	action	action	NN
12787	2045	66	ensues	ensue	NNS
12787	2045	67	.	.	.
12787	2046	1	When	when	WRB
12787	2046	2	a	a	DT
12787	2046	3	strong	strong	JJ
12787	2046	4	mineral	mineral	NN
12787	2046	5	acid	acid	NN
12787	2046	6	is	be	VBZ
12787	2046	7	present	present	JJ
12787	2046	8	,	,	,
12787	2046	9	however	however	RB
12787	2046	10	,	,	,
12787	2046	11	the	the	DT
12787	2046	12	ionization	ionization	NN
12787	2046	13	of	of	IN
12787	2046	14	the	the	DT
12787	2046	15	oxalic	oxalic	JJ
12787	2046	16	acid	acid	NN
12787	2046	17	is	be	VBZ
12787	2046	18	much	much	RB
12787	2046	19	reduced	reduce	VBN
12787	2046	20	by	by	IN
12787	2046	21	the	the	DT
12787	2046	22	high	high	JJ
12787	2046	23	concentration	concentration	NN
12787	2046	24	of	of	IN
12787	2046	25	the	the	DT
12787	2046	26	H^{+	H^{+	NNP
12787	2046	27	}	}	-RRB-
12787	2046	28	ions	ion	NNS
12787	2046	29	from	from	IN
12787	2046	30	the	the	DT
12787	2046	31	strong	strong	JJ
12787	2046	32	acid	acid	NN
12787	2046	33	,	,	,
12787	2046	34	the	the	DT
12787	2046	35	formation	formation	NN
12787	2046	36	of	of	IN
12787	2046	37	the	the	DT
12787	2046	38	undissociated	undissociated	JJ
12787	2046	39	acid	acid	NN
12787	2046	40	lessens	lessen	VBZ
12787	2046	41	the	the	DT
12787	2046	42	concentration	concentration	NN
12787	2046	43	of	of	IN
12787	2046	44	the	the	DT
12787	2046	45	C_{2}O_{4}^{--	C_{2}O_{4}^{--	NNS
12787	2046	46	}	}	-RRB-
12787	2046	47	ions	ion	NNS
12787	2046	48	in	in	IN
12787	2046	49	solution	solution	NN
12787	2046	50	,	,	,
12787	2046	51	more	more	JJR
12787	2046	52	of	of	IN
12787	2046	53	the	the	DT
12787	2046	54	oxalate	oxalate	NN
12787	2046	55	passes	pass	VBZ
12787	2046	56	into	into	IN
12787	2046	57	solution	solution	NN
12787	2046	58	to	to	TO
12787	2046	59	re	re	VB
12787	2046	60	-	-	VB
12787	2046	61	establish	establish	VB
12787	2046	62	equilibrium	equilibrium	NN
12787	2046	63	,	,	,
12787	2046	64	and	and	CC
12787	2046	65	this	this	DT
12787	2046	66	process	process	NN
12787	2046	67	repeats	repeat	VBZ
12787	2046	68	itself	-PRON-	PRP
12787	2046	69	until	until	IN
12787	2046	70	all	all	DT
12787	2046	71	is	be	VBZ
12787	2046	72	dissolved	dissolve	VBN
12787	2046	73	.	.	.
12787	2047	1	The	the	DT
12787	2047	2	oxalate	oxalate	NN
12787	2047	3	is	be	VBZ
12787	2047	4	immediately	immediately	RB
12787	2047	5	reprecipitated	reprecipitate	VBN
12787	2047	6	from	from	IN
12787	2047	7	such	such	PDT
12787	2047	8	a	a	DT
12787	2047	9	solution	solution	NN
12787	2047	10	on	on	IN
12787	2047	11	the	the	DT
12787	2047	12	addition	addition	NN
12787	2047	13	of	of	IN
12787	2047	14	OH^{-	OH^{-	NNP
12787	2047	15	}	}	-RRB-
12787	2047	16	ions	ion	NNS
12787	2047	17	,	,	,
12787	2047	18	which	which	WDT
12787	2047	19	,	,	,
12787	2047	20	by	by	IN
12787	2047	21	uniting	unite	VBG
12787	2047	22	with	with	IN
12787	2047	23	the	the	DT
12787	2047	24	H^{+	H^{+	NNP
12787	2047	25	}	}	-RRB-
12787	2047	26	ions	ion	NNS
12787	2047	27	of	of	IN
12787	2047	28	the	the	DT
12787	2047	29	acids	acid	NNS
12787	2047	30	(	(	-LRB-
12787	2047	31	both	both	CC
12787	2047	32	the	the	DT
12787	2047	33	mineral	mineral	NN
12787	2047	34	acid	acid	NN
12787	2047	35	and	and	CC
12787	2047	36	the	the	DT
12787	2047	37	oxalic	oxalic	JJ
12787	2047	38	acid	acid	NN
12787	2047	39	)	)	-RRB-
12787	2047	40	to	to	TO
12787	2047	41	form	form	VB
12787	2047	42	water	water	NN
12787	2047	43	,	,	,
12787	2047	44	leave	leave	VB
12787	2047	45	the	the	DT
12787	2047	46	Ca^{++	Ca^{++	NNS
12787	2047	47	}	}	-RRB-
12787	2047	48	and	and	CC
12787	2047	49	C_{2}O_{4}^{--	C_{2}O_{4}^{--	VBZ
12787	2047	50	}	}	-RRB-
12787	2047	51	ions	ion	NNS
12787	2047	52	in	in	IN
12787	2047	53	the	the	DT
12787	2047	54	solution	solution	NN
12787	2047	55	to	to	TO
12787	2047	56	recombine	recombine	VB
12787	2047	57	to	to	TO
12787	2047	58	form	form	VB
12787	2047	59	[	[	-LRB-
12787	2047	60	CaC_{2}O_{4	CaC_{2}O_{4	NNP
12787	2047	61	}	}	-RRB-
12787	2047	62	]	]	-RRB-
12787	2047	63	,	,	,
12787	2047	64	which	which	WDT
12787	2047	65	is	be	VBZ
12787	2047	66	precipitated	precipitate	VBN
12787	2047	67	in	in	IN
12787	2047	68	the	the	DT
12787	2047	69	absence	absence	NN
12787	2047	70	of	of	IN
12787	2047	71	the	the	DT
12787	2047	72	H^{+	H^{+	NNP
12787	2047	73	}	}	-RRB-
12787	2047	74	ions	ion	NNS
12787	2047	75	.	.	.
12787	2048	1	It	-PRON-	PRP
12787	2048	2	is	be	VBZ
12787	2048	3	well	well	RB
12787	2048	4	at	at	IN
12787	2048	5	this	this	DT
12787	2048	6	point	point	NN
12787	2048	7	to	to	TO
12787	2048	8	add	add	VB
12787	2048	9	a	a	DT
12787	2048	10	small	small	JJ
12787	2048	11	excess	excess	NN
12787	2048	12	of	of	IN
12787	2048	13	C_{2}O_{4}^{--	c_{2}o_{4}^{--	JJ
12787	2048	14	}	}	-RRB-
12787	2048	15	ions	ion	NNS
12787	2048	16	in	in	IN
12787	2048	17	the	the	DT
12787	2048	18	form	form	NN
12787	2048	19	of	of	IN
12787	2048	20	ammonium	ammonium	NN
12787	2048	21	oxalate	oxalate	VBP
12787	2048	22	to	to	TO
12787	2048	23	decrease	decrease	VB
12787	2048	24	the	the	DT
12787	2048	25	solubility	solubility	NN
12787	2048	26	of	of	IN
12787	2048	27	the	the	DT
12787	2048	28	precipitate	precipitate	NN
12787	2048	29	.	.	.
12787	2049	1	The	the	DT
12787	2049	2	oxalate	oxalate	JJ
12787	2049	3	precipitate	precipitate	NN
12787	2049	4	consists	consist	VBZ
12787	2049	5	mainly	mainly	RB
12787	2049	6	of	of	IN
12787	2049	7	CaC_{2}O_{4}.H_{2}O	cac_{2}o_{4}.h_{2}o	JJ
12787	2049	8	when	when	WRB
12787	2049	9	thrown	throw	VBN
12787	2049	10	down	down	RP
12787	2049	11	.	.	.
12787	2049	12	]	]	-RRB-
12787	2050	1	[	[	-LRB-
12787	2050	2	Note	note	NN
12787	2050	3	5	5	CD
12787	2050	4	:	:	:
12787	2050	5	The	the	DT
12787	2050	6	small	small	JJ
12787	2050	7	quantity	quantity	NN
12787	2050	8	of	of	IN
12787	2050	9	ammonium	ammonium	NN
12787	2050	10	oxalate	oxalate	NN
12787	2050	11	solution	solution	NN
12787	2050	12	is	be	VBZ
12787	2050	13	added	add	VBN
12787	2050	14	before	before	IN
12787	2050	15	the	the	DT
12787	2050	16	second	second	JJ
12787	2050	17	precipitation	precipitation	NN
12787	2050	18	of	of	IN
12787	2050	19	the	the	DT
12787	2050	20	calcium	calcium	NN
12787	2050	21	oxalate	oxalate	VBP
12787	2050	22	to	to	TO
12787	2050	23	insure	insure	VB
12787	2050	24	the	the	DT
12787	2050	25	presence	presence	NN
12787	2050	26	of	of	IN
12787	2050	27	a	a	DT
12787	2050	28	slight	slight	JJ
12787	2050	29	excess	excess	NN
12787	2050	30	of	of	IN
12787	2050	31	the	the	DT
12787	2050	32	reagent	reagent	NN
12787	2050	33	,	,	,
12787	2050	34	which	which	WDT
12787	2050	35	promotes	promote	VBZ
12787	2050	36	the	the	DT
12787	2050	37	separation	separation	NN
12787	2050	38	of	of	IN
12787	2050	39	the	the	DT
12787	2050	40	calcium	calcium	NN
12787	2050	41	compound	compound	NN
12787	2050	42	.	.	.
12787	2050	43	]	]	-RRB-
12787	2051	1	[	[	-LRB-
12787	2051	2	Note	note	NN
12787	2051	3	6	6	CD
12787	2051	4	:	:	:
12787	2051	5	On	on	IN
12787	2051	6	ignition	ignition	NN
12787	2051	7	the	the	DT
12787	2051	8	calcium	calcium	NN
12787	2051	9	oxalate	oxalate	VBP
12787	2051	10	loses	lose	VBZ
12787	2051	11	carbon	carbon	NN
12787	2051	12	dioxide	dioxide	NN
12787	2051	13	and	and	CC
12787	2051	14	carbon	carbon	NN
12787	2051	15	monoxide	monoxide	NN
12787	2051	16	,	,	,
12787	2051	17	leaving	leave	VBG
12787	2051	18	calcium	calcium	NN
12787	2051	19	oxide	oxide	NN
12787	2051	20	:	:	:
12787	2051	21	CaC_{2}O_{4}.H_{2}O	cac_{2}o_{4}.h_{2}o	JJ
12787	2051	22	--	--	:
12787	2051	23	>	>	XX
12787	2051	24	CaO	CaO	NNP
12787	2051	25	+	+	SYM
12787	2051	26	CO_{2	CO_{2	NNP
12787	2051	27	}	}	-RRB-
12787	2051	28	+	+	CC
12787	2051	29	CO	CO	NNP
12787	2051	30	+	+	NNP
12787	2051	31	H_{2}O.	h_{2}o.	NN
12787	2052	1	For	for	IN
12787	2052	2	small	small	JJ
12787	2052	3	weights	weight	NNS
12787	2052	4	of	of	IN
12787	2052	5	the	the	DT
12787	2052	6	oxalate	oxalate	NN
12787	2052	7	(	(	-LRB-
12787	2052	8	0.6	0.6	CD
12787	2052	9	gram	gram	NN
12787	2052	10	or	or	CC
12787	2052	11	less	less	JJR
12787	2052	12	)	)	-RRB-
12787	2052	13	this	this	DT
12787	2052	14	reaction	reaction	NN
12787	2052	15	may	may	MD
12787	2052	16	be	be	VB
12787	2052	17	brought	bring	VBN
12787	2052	18	about	about	RP
12787	2052	19	in	in	IN
12787	2052	20	a	a	DT
12787	2052	21	platinum	platinum	NN
12787	2052	22	crucible	crucible	JJ
12787	2052	23	at	at	IN
12787	2052	24	the	the	DT
12787	2052	25	highest	high	JJS
12787	2052	26	temperature	temperature	NN
12787	2052	27	of	of	IN
12787	2052	28	a	a	DT
12787	2052	29	Tirrill	Tirrill	NNP
12787	2052	30	burner	burner	NN
12787	2052	31	,	,	,
12787	2052	32	but	but	CC
12787	2052	33	it	-PRON-	PRP
12787	2052	34	is	be	VBZ
12787	2052	35	well	well	JJ
12787	2052	36	to	to	TO
12787	2052	37	ignite	ignite	VB
12787	2052	38	larger	large	JJR
12787	2052	39	quantities	quantity	NNS
12787	2052	40	than	than	IN
12787	2052	41	this	this	DT
12787	2052	42	over	over	IN
12787	2052	43	the	the	DT
12787	2052	44	blast	blast	NN
12787	2052	45	lamp	lamp	NN
12787	2052	46	until	until	IN
12787	2052	47	the	the	DT
12787	2052	48	weight	weight	NN
12787	2052	49	is	be	VBZ
12787	2052	50	constant	constant	JJ
12787	2052	51	.	.	.
12787	2052	52	]	]	-RRB-
12787	2053	1	[	[	-LRB-
12787	2053	2	Note	note	NN
12787	2053	3	7	7	CD
12787	2053	4	:	:	:
12787	2053	5	The	the	DT
12787	2053	6	heat	heat	NN
12787	2053	7	required	require	VBN
12787	2053	8	to	to	TO
12787	2053	9	burn	burn	VB
12787	2053	10	the	the	DT
12787	2053	11	filter	filter	NN
12787	2053	12	,	,	,
12787	2053	13	and	and	CC
12787	2053	14	that	that	DT
12787	2053	15	subsequently	subsequently	RB
12787	2053	16	applied	apply	VBD
12787	2053	17	as	as	IN
12787	2053	18	described	describe	VBN
12787	2053	19	,	,	,
12787	2053	20	will	will	MD
12787	2053	21	convert	convert	VB
12787	2053	22	most	most	JJS
12787	2053	23	of	of	IN
12787	2053	24	the	the	DT
12787	2053	25	calcium	calcium	NN
12787	2053	26	oxalate	oxalate	VBP
12787	2053	27	to	to	IN
12787	2053	28	calcium	calcium	NN
12787	2053	29	carbonate	carbonate	NN
12787	2053	30	,	,	,
12787	2053	31	which	which	WDT
12787	2053	32	is	be	VBZ
12787	2053	33	changed	change	VBN
12787	2053	34	to	to	TO
12787	2053	35	sulphate	sulphate	VB
12787	2053	36	by	by	IN
12787	2053	37	the	the	DT
12787	2053	38	sulphuric	sulphuric	JJ
12787	2053	39	acid	acid	NN
12787	2053	40	.	.	.
12787	2054	1	The	the	DT
12787	2054	2	reactions	reaction	NNS
12787	2054	3	involved	involve	VBN
12787	2054	4	are	be	VBP
12787	2054	5	CaC_{2}O_{4	CaC_{2}O_{4	VBN
12787	2054	6	}	}	-RRB-
12787	2054	7	--	--	:
12787	2054	8	>	>	XX
12787	2054	9	CaCO_{3	CaCO_{3	NNP
12787	2054	10	}	}	-RRB-
12787	2054	11	+	+	CC
12787	2054	12	CO	CO	NNP
12787	2054	13	,	,	,
12787	2054	14	CaCO_{3	CaCO_{3	NNP
12787	2054	15	}	}	-RRB-
12787	2054	16	+	+	CC
12787	2054	17	H_{2}SO_{4	H_{2}SO_{4	NNP
12787	2054	18	}	}	-RRB-
12787	2054	19	--	--	:
12787	2054	20	>	>	XX
12787	2054	21	CaSO_{4	CaSO_{4	NNP
12787	2054	22	}	}	-RRB-
12787	2054	23	+	+	CC
12787	2054	24	H_{2}O	h_{2}o	NN
12787	2054	25	+	+	SYM
12787	2054	26	CO_{2	CO_{2	NNP
12787	2054	27	}	}	-RRB-
12787	2054	28	.	.	.
12787	2055	1	If	if	IN
12787	2055	2	a	a	DT
12787	2055	3	porcelain	porcelain	NN
12787	2055	4	crucible	crucible	JJ
12787	2055	5	is	be	VBZ
12787	2055	6	employed	employ	VBN
12787	2055	7	for	for	IN
12787	2055	8	ignition	ignition	NN
12787	2055	9	,	,	,
12787	2055	10	this	this	DT
12787	2055	11	conversion	conversion	NN
12787	2055	12	to	to	TO
12787	2055	13	sulphate	sulphate	VB
12787	2055	14	is	be	VBZ
12787	2055	15	to	to	TO
12787	2055	16	be	be	VB
12787	2055	17	preferred	prefer	VBN
12787	2055	18	,	,	,
12787	2055	19	as	as	IN
12787	2055	20	a	a	DT
12787	2055	21	complete	complete	JJ
12787	2055	22	conversion	conversion	NN
12787	2055	23	to	to	IN
12787	2055	24	oxide	oxide	NN
12787	2055	25	is	be	VBZ
12787	2055	26	difficult	difficult	JJ
12787	2055	27	to	to	TO
12787	2055	28	accomplish	accomplish	VB
12787	2055	29	.	.	.
12787	2055	30	]	]	-RRB-
12787	2056	1	[	[	-LRB-
12787	2056	2	Note	note	NN
12787	2056	3	8	8	CD
12787	2056	4	:	:	:
12787	2056	5	The	the	DT
12787	2056	6	determination	determination	NN
12787	2056	7	of	of	IN
12787	2056	8	the	the	DT
12787	2056	9	calcium	calcium	NN
12787	2056	10	may	may	MD
12787	2056	11	be	be	VB
12787	2056	12	completed	complete	VBN
12787	2056	13	volumetrically	volumetrically	RB
12787	2056	14	by	by	IN
12787	2056	15	washing	wash	VBG
12787	2056	16	the	the	DT
12787	2056	17	calcium	calcium	NN
12787	2056	18	oxalate	oxalate	VBP
12787	2056	19	precipitate	precipitate	NN
12787	2056	20	from	from	IN
12787	2056	21	the	the	DT
12787	2056	22	filter	filter	NN
12787	2056	23	into	into	IN
12787	2056	24	dilute	dilute	NNP
12787	2056	25	sulphuric	sulphuric	NNP
12787	2056	26	acid	acid	NNP
12787	2056	27	,	,	,
12787	2056	28	warming	warming	NN
12787	2056	29	,	,	,
12787	2056	30	and	and	CC
12787	2056	31	titrating	titrate	VBG
12787	2056	32	the	the	DT
12787	2056	33	liberated	liberated	JJ
12787	2056	34	oxalic	oxalic	JJ
12787	2056	35	acid	acid	NN
12787	2056	36	with	with	IN
12787	2056	37	a	a	DT
12787	2056	38	standard	standard	JJ
12787	2056	39	solution	solution	NN
12787	2056	40	of	of	IN
12787	2056	41	potassium	potassium	NN
12787	2056	42	permanganate	permanganate	JJ
12787	2056	43	as	as	IN
12787	2056	44	described	describe	VBN
12787	2056	45	on	on	IN
12787	2056	46	page	page	NN
12787	2056	47	72	72	CD
12787	2056	48	.	.	.
12787	2057	1	When	when	WRB
12787	2057	2	a	a	DT
12787	2057	3	considerable	considerable	JJ
12787	2057	4	number	number	NN
12787	2057	5	of	of	IN
12787	2057	6	analyses	analysis	NNS
12787	2057	7	are	be	VBP
12787	2057	8	to	to	TO
12787	2057	9	be	be	VB
12787	2057	10	made	make	VBN
12787	2057	11	,	,	,
12787	2057	12	this	this	DT
12787	2057	13	procedure	procedure	NN
12787	2057	14	will	will	MD
12787	2057	15	save	save	VB
12787	2057	16	much	much	JJ
12787	2057	17	of	of	IN
12787	2057	18	the	the	DT
12787	2057	19	time	time	NN
12787	2057	20	otherwise	otherwise	RB
12787	2057	21	required	require	VBN
12787	2057	22	for	for	IN
12787	2057	23	ignition	ignition	NN
12787	2057	24	and	and	CC
12787	2057	25	weighing	weighing	NN
12787	2057	26	.	.	.
12787	2057	27	]	]	-RRB-
12787	2058	1	DETERMINATION	DETERMINATION	NNP
12787	2058	2	OF	of	IN
12787	2058	3	MAGNESIUM	MAGNESIUM	NNP
12787	2058	4	PROCEDURE.--Evaporate	procedure.--evaporate	VB
12787	2058	5	the	the	DT
12787	2058	6	acidified	acidify	VBN
12787	2058	7	filtrates	filtrate	NNS
12787	2058	8	from	from	IN
12787	2058	9	the	the	DT
12787	2058	10	calcium	calcium	NN
12787	2058	11	precipitates	precipitate	NNS
12787	2058	12	until	until	IN
12787	2058	13	the	the	DT
12787	2058	14	salts	salt	NNS
12787	2058	15	begin	begin	VBP
12787	2058	16	to	to	TO
12787	2058	17	crystallize	crystallize	VB
12787	2058	18	,	,	,
12787	2058	19	but	but	CC
12787	2058	20	do	do	VB
12787	2058	21	!	!	.
12787	2058	22	not	not	RB
12787	2058	23	!	!	.
12787	2059	1	evaporate	evaporate	VB
12787	2059	2	to	to	IN
12787	2059	3	dryness	dryness	NN
12787	2059	4	(	(	-LRB-
12787	2059	5	Note	note	NN
12787	2059	6	1	1	CD
12787	2059	7	)	)	-RRB-
12787	2059	8	.	.	.
12787	2060	1	Dilute	dilute	VB
12787	2060	2	the	the	DT
12787	2060	3	solution	solution	NN
12787	2060	4	cautiously	cautiously	RB
12787	2060	5	until	until	IN
12787	2060	6	the	the	DT
12787	2060	7	salts	salt	NNS
12787	2060	8	are	be	VBP
12787	2060	9	brought	bring	VBN
12787	2060	10	into	into	IN
12787	2060	11	solution	solution	NN
12787	2060	12	,	,	,
12787	2060	13	adding	add	VBG
12787	2060	14	a	a	DT
12787	2060	15	little	little	JJ
12787	2060	16	acid	acid	NN
12787	2060	17	if	if	IN
12787	2060	18	the	the	DT
12787	2060	19	solution	solution	NN
12787	2060	20	has	have	VBZ
12787	2060	21	evaporated	evaporate	VBN
12787	2060	22	to	to	IN
12787	2060	23	very	very	RB
12787	2060	24	small	small	JJ
12787	2060	25	volume	volume	NN
12787	2060	26	.	.	.
12787	2061	1	The	the	DT
12787	2061	2	solution	solution	NN
12787	2061	3	should	should	MD
12787	2061	4	be	be	VB
12787	2061	5	carefully	carefully	RB
12787	2061	6	examined	examine	VBN
12787	2061	7	at	at	IN
12787	2061	8	this	this	DT
12787	2061	9	point	point	NN
12787	2061	10	and	and	CC
12787	2061	11	must	must	MD
12787	2061	12	be	be	VB
12787	2061	13	filtered	filter	VBN
12787	2061	14	if	if	IN
12787	2061	15	a	a	DT
12787	2061	16	precipitate	precipitate	NN
12787	2061	17	has	have	VBZ
12787	2061	18	appeared	appear	VBN
12787	2061	19	.	.	.
12787	2062	1	Heat	heat	VB
12787	2062	2	the	the	DT
12787	2062	3	clear	clear	JJ
12787	2062	4	solution	solution	NN
12787	2062	5	to	to	IN
12787	2062	6	boiling	boil	VBG
12787	2062	7	;	;	:
12787	2062	8	remove	remove	VB
12787	2062	9	the	the	DT
12787	2062	10	burner	burner	NN
12787	2062	11	and	and	CC
12787	2062	12	add	add	VB
12787	2062	13	25	25	CD
12787	2062	14	cc	cc	NN
12787	2062	15	.	.	.
12787	2063	1	of	of	IN
12787	2063	2	a	a	DT
12787	2063	3	solution	solution	NN
12787	2063	4	of	of	IN
12787	2063	5	disodium	disodium	NN
12787	2063	6	phosphate	phosphate	NN
12787	2063	7	.	.	.
12787	2064	1	Then	then	RB
12787	2064	2	add	add	VB
12787	2064	3	slowly	slowly	RB
12787	2064	4	dilute	dilute	NNP
12787	2064	5	ammonia	ammonia	NNP
12787	2064	6	(	(	-LRB-
12787	2064	7	1	1	CD
12787	2064	8	volume	volume	NN
12787	2064	9	strong	strong	JJ
12787	2064	10	ammonia	ammonia	NNP
12787	2064	11	(	(	-LRB-
12787	2064	12	sp	sp	NNP
12787	2064	13	.	.	.
12787	2065	1	gr	gr	NNP
12787	2065	2	.	.	.
12787	2066	1	0.90	0.90	LS
12787	2066	2	)	)	-RRB-
12787	2066	3	and	and	CC
12787	2066	4	9	9	CD
12787	2066	5	volumes	volume	NNS
12787	2066	6	water	water	NN
12787	2066	7	)	)	-RRB-
12787	2066	8	as	as	RB
12787	2066	9	long	long	RB
12787	2066	10	as	as	IN
12787	2066	11	a	a	DT
12787	2066	12	precipitate	precipitate	NN
12787	2066	13	continues	continue	VBZ
12787	2066	14	to	to	TO
12787	2066	15	form	form	VB
12787	2066	16	.	.	.
12787	2067	1	Finally	finally	RB
12787	2067	2	,	,	,
12787	2067	3	add	add	VB
12787	2067	4	a	a	DT
12787	2067	5	volume	volume	NN
12787	2067	6	of	of	IN
12787	2067	7	concentrated	concentrated	JJ
12787	2067	8	ammonia	ammonia	NNP
12787	2067	9	(	(	-LRB-
12787	2067	10	sp	sp	NNP
12787	2067	11	.	.	.
12787	2068	1	gr	gr	NNP
12787	2068	2	.	.	.
12787	2069	1	0.90	0.90	LS
12787	2069	2	)	)	-RRB-
12787	2069	3	equal	equal	JJ
12787	2069	4	to	to	IN
12787	2069	5	one	one	CD
12787	2069	6	third	third	NN
12787	2069	7	of	of	IN
12787	2069	8	the	the	DT
12787	2069	9	volume	volume	NN
12787	2069	10	of	of	IN
12787	2069	11	the	the	DT
12787	2069	12	solution	solution	NN
12787	2069	13	,	,	,
12787	2069	14	and	and	CC
12787	2069	15	allow	allow	VB
12787	2069	16	the	the	DT
12787	2069	17	whole	whole	NN
12787	2069	18	to	to	TO
12787	2069	19	stand	stand	VB
12787	2069	20	for	for	IN
12787	2069	21	about	about	RB
12787	2069	22	twelve	twelve	CD
12787	2069	23	hours	hour	NNS
12787	2069	24	.	.	.
12787	2070	1	Decant	decant	VB
12787	2070	2	the	the	DT
12787	2070	3	solution	solution	NN
12787	2070	4	through	through	IN
12787	2070	5	a	a	DT
12787	2070	6	filter	filter	NN
12787	2070	7	,	,	,
12787	2070	8	wash	wash	VB
12787	2070	9	it	-PRON-	PRP
12787	2070	10	with	with	IN
12787	2070	11	dilute	dilute	NNP
12787	2070	12	ammonia	ammonia	NNP
12787	2070	13	water	water	NN
12787	2070	14	,	,	,
12787	2070	15	proceeding	proceed	VBG
12787	2070	16	as	as	IN
12787	2070	17	prescribed	prescribe	VBN
12787	2070	18	for	for	IN
12787	2070	19	the	the	DT
12787	2070	20	determination	determination	NN
12787	2070	21	of	of	IN
12787	2070	22	phosphoric	phosphoric	NN
12787	2070	23	anhydride	anhydride	NN
12787	2070	24	on	on	IN
12787	2070	25	page	page	NN
12787	2070	26	122	122	CD
12787	2070	27	,	,	,
12787	2070	28	including	include	VBG
12787	2070	29	;	;	:
12787	2070	30	the	the	DT
12787	2070	31	reprecipitation	reprecipitation	NN
12787	2070	32	(	(	-LRB-
12787	2070	33	Note	note	NN
12787	2070	34	2	2	CD
12787	2070	35	)	)	-RRB-
12787	2070	36	,	,	,
12787	2070	37	except	except	IN
12787	2070	38	that	that	IN
12787	2070	39	3	3	CD
12787	2070	40	cc	cc	NN
12787	2070	41	.	.	.
12787	2071	1	of	of	IN
12787	2071	2	disodium	disodium	NN
12787	2071	3	phosphate	phosphate	NN
12787	2071	4	solution	solution	NN
12787	2071	5	are	be	VBP
12787	2071	6	added	add	VBN
12787	2071	7	before	before	IN
12787	2071	8	the	the	DT
12787	2071	9	reprecipitation	reprecipitation	NN
12787	2071	10	of	of	IN
12787	2071	11	the	the	DT
12787	2071	12	magnesium	magnesium	NN
12787	2071	13	ammonium	ammonium	NN
12787	2071	14	phosphate	phosphate	NN
12787	2071	15	instead	instead	RB
12787	2071	16	of	of	IN
12787	2071	17	the	the	DT
12787	2071	18	magnesia	magnesia	NNP
12787	2071	19	mixture	mixture	NN
12787	2071	20	there	there	RB
12787	2071	21	prescribed	prescribe	VBN
12787	2071	22	.	.	.
12787	2072	1	From	from	IN
12787	2072	2	the	the	DT
12787	2072	3	weight	weight	NN
12787	2072	4	of	of	IN
12787	2072	5	the	the	DT
12787	2072	6	pyrophosphate	pyrophosphate	NN
12787	2072	7	,	,	,
12787	2072	8	calculate	calculate	VB
12787	2072	9	the	the	DT
12787	2072	10	percentage	percentage	NN
12787	2072	11	of	of	IN
12787	2072	12	magnesium	magnesium	NN
12787	2072	13	oxide	oxide	NN
12787	2072	14	(	(	-LRB-
12787	2072	15	MgO	MgO	NNP
12787	2072	16	)	)	-RRB-
12787	2072	17	in	in	IN
12787	2072	18	the	the	DT
12787	2072	19	sample	sample	NN
12787	2072	20	of	of	IN
12787	2072	21	limestone	limestone	NN
12787	2072	22	.	.	.
12787	2073	1	Remember	remember	VB
12787	2073	2	that	that	IN
12787	2073	3	the	the	DT
12787	2073	4	pyrophosphate	pyrophosphate	NN
12787	2073	5	finally	finally	RB
12787	2073	6	obtained	obtain	VBN
12787	2073	7	is	be	VBZ
12787	2073	8	from	from	IN
12787	2073	9	one	one	CD
12787	2073	10	fifth	fifth	NN
12787	2073	11	of	of	IN
12787	2073	12	the	the	DT
12787	2073	13	original	original	JJ
12787	2073	14	sample	sample	NN
12787	2073	15	.	.	.
12787	2074	1	[	[	-LRB-
12787	2074	2	Note	note	NN
12787	2074	3	1	1	CD
12787	2074	4	:	:	:
12787	2074	5	The	the	DT
12787	2074	6	precipitation	precipitation	NN
12787	2074	7	of	of	IN
12787	2074	8	the	the	DT
12787	2074	9	magnesium	magnesium	NN
12787	2074	10	should	should	MD
12787	2074	11	be	be	VB
12787	2074	12	made	make	VBN
12787	2074	13	in	in	IN
12787	2074	14	as	as	IN
12787	2074	15	small	small	JJ
12787	2074	16	volume	volume	NN
12787	2074	17	as	as	IN
12787	2074	18	possible	possible	JJ
12787	2074	19	,	,	,
12787	2074	20	and	and	CC
12787	2074	21	the	the	DT
12787	2074	22	ratio	ratio	NN
12787	2074	23	of	of	IN
12787	2074	24	ammonia	ammonia	NN
12787	2074	25	to	to	IN
12787	2074	26	the	the	DT
12787	2074	27	total	total	JJ
12787	2074	28	volume	volume	NN
12787	2074	29	of	of	IN
12787	2074	30	solution	solution	NN
12787	2074	31	should	should	MD
12787	2074	32	be	be	VB
12787	2074	33	carefully	carefully	RB
12787	2074	34	provided	provide	VBN
12787	2074	35	for	for	IN
12787	2074	36	,	,	,
12787	2074	37	on	on	IN
12787	2074	38	account	account	NN
12787	2074	39	of	of	IN
12787	2074	40	the	the	DT
12787	2074	41	relative	relative	JJ
12787	2074	42	solubility	solubility	NN
12787	2074	43	of	of	IN
12787	2074	44	the	the	DT
12787	2074	45	magnesium	magnesium	NNP
12787	2074	46	ammonium	ammonium	NN
12787	2074	47	phosphate	phosphate	NN
12787	2074	48	.	.	.
12787	2075	1	This	this	DT
12787	2075	2	matter	matter	NN
12787	2075	3	has	have	VBZ
12787	2075	4	been	be	VBN
12787	2075	5	fully	fully	RB
12787	2075	6	discussed	discuss	VBN
12787	2075	7	in	in	IN
12787	2075	8	connection	connection	NN
12787	2075	9	with	with	IN
12787	2075	10	the	the	DT
12787	2075	11	phosphoric	phosphoric	NN
12787	2075	12	anhydride	anhydride	NN
12787	2075	13	determination	determination	NN
12787	2075	14	.	.	.
12787	2075	15	]	]	-RRB-
12787	2076	1	[	[	-LRB-
12787	2076	2	Note	note	NN
12787	2076	3	2	2	CD
12787	2076	4	:	:	:
12787	2076	5	The	the	DT
12787	2076	6	first	first	JJ
12787	2076	7	magnesium	magnesium	NN
12787	2076	8	ammonium	ammonium	NN
12787	2076	9	phosphate	phosphate	NN
12787	2076	10	precipitate	precipitate	NN
12787	2076	11	is	be	VBZ
12787	2076	12	rarely	rarely	RB
12787	2076	13	wholly	wholly	RB
12787	2076	14	crystalline	crystalline	JJ
12787	2076	15	,	,	,
12787	2076	16	as	as	IN
12787	2076	17	it	-PRON-	PRP
12787	2076	18	should	should	MD
12787	2076	19	be	be	VB
12787	2076	20	,	,	,
12787	2076	21	and	and	CC
12787	2076	22	is	be	VBZ
12787	2076	23	not	not	RB
12787	2076	24	always	always	RB
12787	2076	25	of	of	IN
12787	2076	26	the	the	DT
12787	2076	27	proper	proper	JJ
12787	2076	28	composition	composition	NN
12787	2076	29	when	when	WRB
12787	2076	30	precipitated	precipitate	VBN
12787	2076	31	in	in	IN
12787	2076	32	the	the	DT
12787	2076	33	presence	presence	NN
12787	2076	34	of	of	IN
12787	2076	35	such	such	JJ
12787	2076	36	large	large	JJ
12787	2076	37	amounts	amount	NNS
12787	2076	38	of	of	IN
12787	2076	39	ammonium	ammonium	NN
12787	2076	40	salts	salt	NNS
12787	2076	41	.	.	.
12787	2077	1	The	the	DT
12787	2077	2	difficulty	difficulty	NN
12787	2077	3	can	can	MD
12787	2077	4	best	best	RB
12787	2077	5	be	be	VB
12787	2077	6	remedied	remedie	VBN
12787	2077	7	by	by	IN
12787	2077	8	filtering	filter	VBG
12787	2077	9	the	the	DT
12787	2077	10	precipitate	precipitate	NN
12787	2077	11	and	and	CC
12787	2077	12	(	(	-LRB-
12787	2077	13	without	without	IN
12787	2077	14	washing	wash	VBG
12787	2077	15	it	-PRON-	PRP
12787	2077	16	)	)	-RRB-
12787	2077	17	redissolving	redissolve	VBG
12787	2077	18	in	in	IN
12787	2077	19	a	a	DT
12787	2077	20	small	small	JJ
12787	2077	21	quantity	quantity	NN
12787	2077	22	of	of	IN
12787	2077	23	hydrochloric	hydrochloric	JJ
12787	2077	24	acid	acid	NN
12787	2077	25	,	,	,
12787	2077	26	from	from	IN
12787	2077	27	which	which	WDT
12787	2077	28	it	-PRON-	PRP
12787	2077	29	may	may	MD
12787	2077	30	be	be	VB
12787	2077	31	again	again	RB
12787	2077	32	thrown	throw	VBN
12787	2077	33	down	down	RP
12787	2077	34	by	by	IN
12787	2077	35	ammonia	ammonia	NN
12787	2077	36	after	after	IN
12787	2077	37	adding	add	VBG
12787	2077	38	a	a	DT
12787	2077	39	little	little	JJ
12787	2077	40	disodium	disodium	NN
12787	2077	41	phosphate	phosphate	NN
12787	2077	42	solution	solution	NN
12787	2077	43	.	.	.
12787	2078	1	If	if	IN
12787	2078	2	the	the	DT
12787	2078	3	flocculent	flocculent	JJ
12787	2078	4	character	character	NN
12787	2078	5	was	be	VBD
12787	2078	6	occasioned	occasion	VBN
12787	2078	7	by	by	IN
12787	2078	8	the	the	DT
12787	2078	9	presence	presence	NN
12787	2078	10	of	of	IN
12787	2078	11	magnesium	magnesium	NN
12787	2078	12	hydroxide	hydroxide	NN
12787	2078	13	,	,	,
12787	2078	14	the	the	DT
12787	2078	15	second	second	JJ
12787	2078	16	precipitation	precipitation	NN
12787	2078	17	,	,	,
12787	2078	18	in	in	IN
12787	2078	19	a	a	DT
12787	2078	20	smaller	small	JJR
12787	2078	21	volume	volume	NN
12787	2078	22	containing	contain	VBG
12787	2078	23	fewer	few	JJR
12787	2078	24	salts	salt	NNS
12787	2078	25	,	,	,
12787	2078	26	will	will	MD
12787	2078	27	often	often	RB
12787	2078	28	result	result	VB
12787	2078	29	more	more	RBR
12787	2078	30	favorably	favorably	RB
12787	2078	31	.	.	.
12787	2079	1	The	the	DT
12787	2079	2	removal	removal	NN
12787	2079	3	of	of	IN
12787	2079	4	iron	iron	NN
12787	2079	5	or	or	CC
12787	2079	6	alumina	alumina	NNP
12787	2079	7	from	from	IN
12787	2079	8	a	a	DT
12787	2079	9	contaminated	contaminate	VBN
12787	2079	10	precipitate	precipitate	NN
12787	2079	11	is	be	VBZ
12787	2079	12	a	a	DT
12787	2079	13	matter	matter	NN
12787	2079	14	involving	involve	VBG
12787	2079	15	a	a	DT
12787	2079	16	long	long	JJ
12787	2079	17	procedure	procedure	NN
12787	2079	18	,	,	,
12787	2079	19	and	and	CC
12787	2079	20	a	a	DT
12787	2079	21	redetermination	redetermination	NN
12787	2079	22	of	of	IN
12787	2079	23	the	the	DT
12787	2079	24	magnesium	magnesium	NN
12787	2079	25	from	from	IN
12787	2079	26	a	a	DT
12787	2079	27	new	new	JJ
12787	2079	28	sample	sample	NN
12787	2079	29	,	,	,
12787	2079	30	with	with	IN
12787	2079	31	additional	additional	JJ
12787	2079	32	precautions	precaution	NNS
12787	2079	33	,	,	,
12787	2079	34	is	be	VBZ
12787	2079	35	usually	usually	RB
12787	2079	36	to	to	TO
12787	2079	37	be	be	VB
12787	2079	38	preferred	prefer	VBN
12787	2079	39	.	.	.
12787	2079	40	]	]	-RRB-
12787	2080	1	DETERMINATION	determination	NN
12787	2080	2	OF	of	IN
12787	2080	3	CARBON	carbon	NN
12787	2080	4	DIOXIDE	DIOXIDE	NNS
12787	2080	5	!	!	.
12787	2080	6	Absorption	Absorption	NNP
12787	2080	7	Apparatus	Apparatus	NNP
12787	2080	8	!	!	.
12787	2081	1	[	[	-LRB-
12787	2081	2	Illustration	illustration	NN
12787	2081	3	:	:	:
12787	2081	4	Fig	Fig	NNP
12787	2081	5	.	.	.
12787	2082	1	3	3	LS
12787	2082	2	]	]	-RRB-
12787	2082	3	The	the	DT
12787	2082	4	apparatus	apparatus	NN
12787	2082	5	required	require	VBN
12787	2082	6	for	for	IN
12787	2082	7	the	the	DT
12787	2082	8	determination	determination	NN
12787	2082	9	of	of	IN
12787	2082	10	the	the	DT
12787	2082	11	carbon	carbon	NN
12787	2082	12	dioxide	dioxide	NN
12787	2082	13	should	should	MD
12787	2082	14	be	be	VB
12787	2082	15	arranged	arrange	VBN
12787	2082	16	as	as	IN
12787	2082	17	shown	show	VBN
12787	2082	18	in	in	IN
12787	2082	19	the	the	DT
12787	2082	20	cut	cut	NN
12787	2082	21	(	(	-LRB-
12787	2082	22	Fig	fig	NN
12787	2082	23	.	.	.
12787	2083	1	3	3	LS
12787	2083	2	)	)	-RRB-
12787	2083	3	.	.	.
12787	2084	1	The	the	DT
12787	2084	2	flask	flask	NN
12787	2084	3	(	(	-LRB-
12787	2084	4	A	a	NN
12787	2084	5	)	)	-RRB-
12787	2084	6	is	be	VBZ
12787	2084	7	an	an	DT
12787	2084	8	ordinary	ordinary	JJ
12787	2084	9	wash	wash	NN
12787	2084	10	bottle	bottle	NN
12787	2084	11	,	,	,
12787	2084	12	which	which	WDT
12787	2084	13	should	should	MD
12787	2084	14	be	be	VB
12787	2084	15	nearly	nearly	RB
12787	2084	16	filled	fill	VBN
12787	2084	17	with	with	IN
12787	2084	18	dilute	dilute	NNP
12787	2084	19	hydrochloric	hydrochloric	NNP
12787	2084	20	acid	acid	NNP
12787	2084	21	(	(	-LRB-
12787	2084	22	100	100	CD
12787	2084	23	cc	cc	NN
12787	2084	24	.	.	.
12787	2085	1	acid	acid	NNP
12787	2085	2	(	(	-LRB-
12787	2085	3	sp	sp	NNP
12787	2085	4	.	.	.
12787	2086	1	gr	gr	NNP
12787	2086	2	.	.	.
12787	2087	1	1.12	1.12	CD
12787	2087	2	)	)	-RRB-
12787	2087	3	and	and	CC
12787	2087	4	200	200	CD
12787	2087	5	cc	cc	NN
12787	2087	6	.	.	.
12787	2088	1	of	of	IN
12787	2088	2	water	water	NN
12787	2088	3	)	)	-RRB-
12787	2088	4	.	.	.
12787	2089	1	The	the	DT
12787	2089	2	flask	flask	NN
12787	2089	3	is	be	VBZ
12787	2089	4	connected	connect	VBN
12787	2089	5	by	by	IN
12787	2089	6	rubber	rubber	NN
12787	2089	7	tubing	tubing	NN
12787	2089	8	(	(	-LRB-
12787	2089	9	a	a	LS
12787	2089	10	)	)	-RRB-
12787	2089	11	with	with	IN
12787	2089	12	the	the	DT
12787	2089	13	glass	glass	NN
12787	2089	14	tube	tube	NN
12787	2089	15	(	(	-LRB-
12787	2089	16	b	b	NN
12787	2089	17	)	)	-RRB-
12787	2089	18	leading	lead	VBG
12787	2089	19	nearly	nearly	RB
12787	2089	20	to	to	IN
12787	2089	21	the	the	DT
12787	2089	22	bottom	bottom	NN
12787	2089	23	of	of	IN
12787	2089	24	the	the	DT
12787	2089	25	evolution	evolution	NN
12787	2089	26	flask	flask	NN
12787	2089	27	(	(	-LRB-
12787	2089	28	B	b	NN
12787	2089	29	)	)	-RRB-
12787	2089	30	and	and	CC
12787	2089	31	having	have	VBG
12787	2089	32	its	-PRON-	PRP$
12787	2089	33	lower	low	JJR
12787	2089	34	end	end	NN
12787	2089	35	bent	bent	JJ
12787	2089	36	upward	upward	RB
12787	2089	37	and	and	CC
12787	2089	38	drawn	draw	VBN
12787	2089	39	out	out	RP
12787	2089	40	to	to	IN
12787	2089	41	small	small	JJ
12787	2089	42	bore	bore	NN
12787	2089	43	,	,	,
12787	2089	44	so	so	IN
12787	2089	45	that	that	IN
12787	2089	46	the	the	DT
12787	2089	47	carbon	carbon	NN
12787	2089	48	dioxide	dioxide	NN
12787	2089	49	evolved	evolve	VBN
12787	2089	50	from	from	IN
12787	2089	51	the	the	DT
12787	2089	52	limestone	limestone	NN
12787	2089	53	can	can	MD
12787	2089	54	not	not	RB
12787	2089	55	bubble	bubble	VB
12787	2089	56	back	back	RB
12787	2089	57	into	into	IN
12787	2089	58	(	(	-LRB-
12787	2089	59	b	b	NN
12787	2089	60	)	)	-RRB-
12787	2089	61	.	.	.
12787	2090	1	The	the	DT
12787	2090	2	evolution	evolution	NN
12787	2090	3	flask	flask	NN
12787	2090	4	should	should	MD
12787	2090	5	preferably	preferably	RB
12787	2090	6	be	be	VB
12787	2090	7	a	a	DT
12787	2090	8	wide	wide	JJ
12787	2090	9	-	-	HYPH
12787	2090	10	mouthed	mouthed	JJ
12787	2090	11	Soxhlet	Soxhlet	NNP
12787	2090	12	extraction	extraction	NN
12787	2090	13	flask	flask	NN
12787	2090	14	of	of	IN
12787	2090	15	about	about	RB
12787	2090	16	150	150	CD
12787	2090	17	cc	cc	NN
12787	2090	18	.	.	.
12787	2091	1	capacity	capacity	NN
12787	2091	2	because	because	IN
12787	2091	3	of	of	IN
12787	2091	4	the	the	DT
12787	2091	5	ease	ease	NN
12787	2091	6	with	with	IN
12787	2091	7	which	which	WDT
12787	2091	8	tubes	tube	NNS
12787	2091	9	and	and	CC
12787	2091	10	stoppers	stopper	NNS
12787	2091	11	may	may	MD
12787	2091	12	be	be	VB
12787	2091	13	fitted	fit	VBN
12787	2091	14	into	into	IN
12787	2091	15	the	the	DT
12787	2091	16	neck	neck	NN
12787	2091	17	of	of	IN
12787	2091	18	a	a	DT
12787	2091	19	flask	flask	NN
12787	2091	20	of	of	IN
12787	2091	21	this	this	DT
12787	2091	22	type	type	NN
12787	2091	23	.	.	.
12787	2092	1	The	the	DT
12787	2092	2	flask	flask	NN
12787	2092	3	should	should	MD
12787	2092	4	be	be	VB
12787	2092	5	fitted	fit	VBN
12787	2092	6	with	with	IN
12787	2092	7	a	a	DT
12787	2092	8	two	two	CD
12787	2092	9	-	-	HYPH
12787	2092	10	hole	hole	NN
12787	2092	11	rubber	rubber	NN
12787	2092	12	stopper	stopper	NN
12787	2092	13	.	.	.
12787	2093	1	The	the	DT
12787	2093	2	condenser	condenser	NN
12787	2093	3	(	(	-LRB-
12787	2093	4	C	C	NNP
12787	2093	5	)	)	-RRB-
12787	2093	6	may	may	MD
12787	2093	7	consist	consist	VB
12787	2093	8	of	of	IN
12787	2093	9	a	a	DT
12787	2093	10	tube	tube	NN
12787	2093	11	with	with	IN
12787	2093	12	two	two	CD
12787	2093	13	or	or	CC
12787	2093	14	three	three	CD
12787	2093	15	large	large	JJ
12787	2093	16	bulbs	bulb	NNS
12787	2093	17	blown	blow	VBN
12787	2093	18	in	in	IN
12787	2093	19	it	-PRON-	PRP
12787	2093	20	,	,	,
12787	2093	21	for	for	IN
12787	2093	22	use	use	NN
12787	2093	23	as	as	IN
12787	2093	24	an	an	DT
12787	2093	25	air	air	NN
12787	2093	26	-	-	HYPH
12787	2093	27	cooled	cool	VBN
12787	2093	28	condenser	condenser	NN
12787	2093	29	,	,	,
12787	2093	30	or	or	CC
12787	2093	31	it	-PRON-	PRP
12787	2093	32	may	may	MD
12787	2093	33	be	be	VB
12787	2093	34	a	a	DT
12787	2093	35	small	small	JJ
12787	2093	36	water	water	NN
12787	2093	37	-	-	HYPH
12787	2093	38	jacketed	jacket	VBN
12787	2093	39	condenser	condenser	NN
12787	2093	40	.	.	.
12787	2094	1	The	the	DT
12787	2094	2	latter	latter	NN
12787	2094	3	is	be	VBZ
12787	2094	4	to	to	TO
12787	2094	5	be	be	VB
12787	2094	6	preferred	prefer	VBN
12787	2094	7	if	if	IN
12787	2094	8	a	a	DT
12787	2094	9	number	number	NN
12787	2094	10	of	of	IN
12787	2094	11	determinations	determination	NNS
12787	2094	12	are	be	VBP
12787	2094	13	to	to	TO
12787	2094	14	be	be	VB
12787	2094	15	made	make	VBN
12787	2094	16	in	in	IN
12787	2094	17	succession	succession	NN
12787	2094	18	.	.	.
12787	2095	1	A	a	DT
12787	2095	2	glass	glass	NN
12787	2095	3	delivery	delivery	NN
12787	2095	4	tube	tube	NN
12787	2095	5	(	(	-LRB-
12787	2095	6	c	c	NN
12787	2095	7	)	)	-RRB-
12787	2095	8	leads	lead	VBZ
12787	2095	9	from	from	IN
12787	2095	10	the	the	DT
12787	2095	11	condenser	condenser	NN
12787	2095	12	to	to	IN
12787	2095	13	the	the	DT
12787	2095	14	small	small	JJ
12787	2095	15	U	U	NNP
12787	2095	16	-	-	HYPH
12787	2095	17	tube	tube	NN
12787	2095	18	(	(	-LRB-
12787	2095	19	D	D	NNP
12787	2095	20	)	)	-RRB-
12787	2095	21	containing	contain	VBG
12787	2095	22	some	some	DT
12787	2095	23	glass	glass	NN
12787	2095	24	beads	bead	NNS
12787	2095	25	or	or	CC
12787	2095	26	small	small	JJ
12787	2095	27	pieces	piece	NNS
12787	2095	28	of	of	IN
12787	2095	29	glass	glass	NN
12787	2095	30	rod	rod	NN
12787	2095	31	and	and	CC
12787	2095	32	3	3	CD
12787	2095	33	cc	cc	NN
12787	2095	34	.	.	.
12787	2096	1	of	of	IN
12787	2096	2	a	a	DT
12787	2096	3	saturated	saturate	VBN
12787	2096	4	solution	solution	NN
12787	2096	5	of	of	IN
12787	2096	6	silver	silver	NN
12787	2096	7	sulphate	sulphate	NN
12787	2096	8	,	,	,
12787	2096	9	with	with	IN
12787	2096	10	3	3	CD
12787	2096	11	cc	cc	NN
12787	2096	12	.	.	.
12787	2097	1	of	of	IN
12787	2097	2	concentrated	concentrate	VBN
12787	2097	3	sulphuric	sulphuric	NNP
12787	2097	4	acid	acid	NNP
12787	2097	5	(	(	-LRB-
12787	2097	6	sp	sp	NNP
12787	2097	7	.	.	.
12787	2098	1	gr	gr	NNP
12787	2098	2	.	.	.
12787	2099	1	1.84	1.84	CD
12787	2099	2	)	)	-RRB-
12787	2099	3	.	.	.
12787	2100	1	The	the	DT
12787	2100	2	short	short	JJ
12787	2100	3	rubber	rubber	NN
12787	2100	4	tubing	tubing	NN
12787	2100	5	(	(	-LRB-
12787	2100	6	d	d	NNP
12787	2100	7	)	)	-RRB-
12787	2100	8	connects	connect	VBZ
12787	2100	9	the	the	DT
12787	2100	10	first	first	JJ
12787	2100	11	U	U	NNP
12787	2100	12	-	-	NN
12787	2100	13	tube	tube	NN
12787	2100	14	to	to	IN
12787	2100	15	a	a	DT
12787	2100	16	second	second	JJ
12787	2100	17	U	U	NNP
12787	2100	18	-	-	HYPH
12787	2100	19	tube	tube	NN
12787	2100	20	(	(	-LRB-
12787	2100	21	E	e	NN
12787	2100	22	)	)	-RRB-
12787	2100	23	which	which	WDT
12787	2100	24	is	be	VBZ
12787	2100	25	filled	fill	VBN
12787	2100	26	with	with	IN
12787	2100	27	small	small	JJ
12787	2100	28	dust	dust	NN
12787	2100	29	-	-	HYPH
12787	2100	30	free	free	JJ
12787	2100	31	lumps	lump	NNS
12787	2100	32	of	of	IN
12787	2100	33	dry	dry	JJ
12787	2100	34	calcium	calcium	NN
12787	2100	35	chloride	chloride	NN
12787	2100	36	,	,	,
12787	2100	37	with	with	IN
12787	2100	38	a	a	DT
12787	2100	39	small	small	JJ
12787	2100	40	,	,	,
12787	2100	41	loose	loose	JJ
12787	2100	42	plug	plug	NN
12787	2100	43	of	of	IN
12787	2100	44	cotton	cotton	NN
12787	2100	45	at	at	IN
12787	2100	46	the	the	DT
12787	2100	47	top	top	NN
12787	2100	48	of	of	IN
12787	2100	49	each	each	DT
12787	2100	50	arm	arm	NN
12787	2100	51	.	.	.
12787	2101	1	Both	both	DT
12787	2101	2	tubes	tube	NNS
12787	2101	3	should	should	MD
12787	2101	4	be	be	VB
12787	2101	5	closed	close	VBN
12787	2101	6	by	by	IN
12787	2101	7	cork	cork	NN
12787	2101	8	stoppers	stopper	NNS
12787	2101	9	,	,	,
12787	2101	10	the	the	DT
12787	2101	11	tops	top	NNS
12787	2101	12	of	of	IN
12787	2101	13	which	which	WDT
12787	2101	14	are	be	VBP
12787	2101	15	cut	cut	VBN
12787	2101	16	off	off	RP
12787	2101	17	level	level	NN
12787	2101	18	with	with	IN
12787	2101	19	,	,	,
12787	2101	20	or	or	CC
12787	2101	21	preferably	preferably	RB
12787	2101	22	forced	force	VBD
12787	2101	23	a	a	DT
12787	2101	24	little	little	JJ
12787	2101	25	below	below	RB
12787	2101	26	,	,	,
12787	2101	27	the	the	DT
12787	2101	28	top	top	NN
12787	2101	29	of	of	IN
12787	2101	30	the	the	DT
12787	2101	31	U	U	NNP
12787	2101	32	-	-	NN
12787	2101	33	tube	tube	NN
12787	2101	34	,	,	,
12787	2101	35	and	and	CC
12787	2101	36	then	then	RB
12787	2101	37	neatly	neatly	RB
12787	2101	38	sealed	seal	VBN
12787	2101	39	with	with	IN
12787	2101	40	sealing	seal	VBG
12787	2101	41	wax	wax	NN
12787	2101	42	.	.	.
12787	2102	1	The	the	DT
12787	2102	2	carbon	carbon	NN
12787	2102	3	dioxide	dioxide	NN
12787	2102	4	may	may	MD
12787	2102	5	be	be	VB
12787	2102	6	absorbed	absorb	VBN
12787	2102	7	in	in	IN
12787	2102	8	a	a	DT
12787	2102	9	tube	tube	NN
12787	2102	10	containing	contain	VBG
12787	2102	11	soda	soda	NN
12787	2102	12	lime	lime	NN
12787	2102	13	(	(	-LRB-
12787	2102	14	F	F	NNP
12787	2102	15	)	)	-RRB-
12787	2102	16	or	or	CC
12787	2102	17	in	in	IN
12787	2102	18	a	a	DT
12787	2102	19	Geissler	Geissler	NNP
12787	2102	20	bulb	bulb	NN
12787	2102	21	(	(	-LRB-
12787	2102	22	F	F	NNP
12787	2102	23	'	'	''
12787	2102	24	)	)	-RRB-
12787	2102	25	containing	contain	VBG
12787	2102	26	a	a	DT
12787	2102	27	concentrated	concentrated	JJ
12787	2102	28	solution	solution	NN
12787	2102	29	of	of	IN
12787	2102	30	potassium	potassium	NN
12787	2102	31	hydroxide	hydroxide	NN
12787	2102	32	(	(	-LRB-
12787	2102	33	Note	note	NN
12787	2102	34	2	2	CD
12787	2102	35	)	)	-RRB-
12787	2102	36	.	.	.
12787	2103	1	The	the	DT
12787	2103	2	tube	tube	NN
12787	2103	3	(	(	-LRB-
12787	2103	4	F	f	NN
12787	2103	5	)	)	-RRB-
12787	2103	6	is	be	VBZ
12787	2103	7	a	a	DT
12787	2103	8	glass	glass	NN
12787	2103	9	-	-	HYPH
12787	2103	10	stoppered	stopper	VBN
12787	2103	11	side	side	NN
12787	2103	12	-	-	HYPH
12787	2103	13	arm	arm	NN
12787	2103	14	U	U	NNP
12787	2103	15	-	-	NN
12787	2103	16	tube	tube	NN
12787	2103	17	in	in	IN
12787	2103	18	which	which	WDT
12787	2103	19	the	the	DT
12787	2103	20	side	side	NN
12787	2103	21	toward	toward	IN
12787	2103	22	the	the	DT
12787	2103	23	evolution	evolution	NN
12787	2103	24	flask	flask	NN
12787	2103	25	and	and	CC
12787	2103	26	one	one	CD
12787	2103	27	half	half	NN
12787	2103	28	of	of	IN
12787	2103	29	the	the	DT
12787	2103	30	other	other	JJ
12787	2103	31	side	side	NN
12787	2103	32	are	be	VBP
12787	2103	33	filled	fill	VBN
12787	2103	34	with	with	IN
12787	2103	35	small	small	JJ
12787	2103	36	,	,	,
12787	2103	37	dust	dust	NN
12787	2103	38	-	-	HYPH
12787	2103	39	free	free	JJ
12787	2103	40	lumps	lump	NNS
12787	2103	41	of	of	IN
12787	2103	42	soda	soda	NN
12787	2103	43	lime	lime	RB
12787	2103	44	of	of	IN
12787	2103	45	good	good	JJ
12787	2103	46	quality	quality	NN
12787	2103	47	(	(	-LRB-
12787	2103	48	Note	note	NN
12787	2103	49	3	3	CD
12787	2103	50	)	)	-RRB-
12787	2103	51	.	.	.
12787	2104	1	Since	since	IN
12787	2104	2	soda	soda	NN
12787	2104	3	lime	lime	NN
12787	2104	4	contains	contain	VBZ
12787	2104	5	considerable	considerable	JJ
12787	2104	6	moisture	moisture	NN
12787	2104	7	,	,	,
12787	2104	8	the	the	DT
12787	2104	9	other	other	JJ
12787	2104	10	half	half	NN
12787	2104	11	of	of	IN
12787	2104	12	the	the	DT
12787	2104	13	right	right	JJ
12787	2104	14	side	side	NN
12787	2104	15	of	of	IN
12787	2104	16	the	the	DT
12787	2104	17	tube	tube	NN
12787	2104	18	is	be	VBZ
12787	2104	19	filled	fill	VBN
12787	2104	20	with	with	IN
12787	2104	21	small	small	JJ
12787	2104	22	lumps	lump	NNS
12787	2104	23	of	of	IN
12787	2104	24	dry	dry	JJ
12787	2104	25	,	,	,
12787	2104	26	dust	dust	NN
12787	2104	27	-	-	HYPH
12787	2104	28	free	free	JJ
12787	2104	29	calcium	calcium	NN
12787	2104	30	chloride	chloride	NN
12787	2104	31	to	to	TO
12787	2104	32	retain	retain	VB
12787	2104	33	the	the	DT
12787	2104	34	moisture	moisture	NN
12787	2104	35	from	from	IN
12787	2104	36	the	the	DT
12787	2104	37	soda	soda	NN
12787	2104	38	lime	lime	RB
12787	2104	39	.	.	.
12787	2105	1	Loose	loose	JJ
12787	2105	2	plugs	plug	NNS
12787	2105	3	of	of	IN
12787	2105	4	cotton	cotton	NN
12787	2105	5	are	be	VBP
12787	2105	6	placed	place	VBN
12787	2105	7	at	at	IN
12787	2105	8	the	the	DT
12787	2105	9	top	top	NN
12787	2105	10	of	of	IN
12787	2105	11	each	each	DT
12787	2105	12	arm	arm	NN
12787	2105	13	and	and	CC
12787	2105	14	between	between	IN
12787	2105	15	the	the	DT
12787	2105	16	soda	soda	NN
12787	2105	17	lime	lime	NN
12787	2105	18	and	and	CC
12787	2105	19	the	the	DT
12787	2105	20	calcium	calcium	NN
12787	2105	21	chloride	chloride	NN
12787	2105	22	.	.	.
12787	2106	1	The	the	DT
12787	2106	2	Geissler	Geissler	NNP
12787	2106	3	bulb	bulb	NN
12787	2106	4	(	(	-LRB-
12787	2106	5	F	F	NNP
12787	2106	6	'	'	''
12787	2106	7	)	)	-RRB-
12787	2106	8	,	,	,
12787	2106	9	if	if	IN
12787	2106	10	used	use	VBN
12787	2106	11	,	,	,
12787	2106	12	should	should	MD
12787	2106	13	be	be	VB
12787	2106	14	filled	fill	VBN
12787	2106	15	with	with	IN
12787	2106	16	potassium	potassium	NN
12787	2106	17	hydroxide	hydroxide	NN
12787	2106	18	solution	solution	NN
12787	2106	19	(	(	-LRB-
12787	2106	20	1	1	CD
12787	2106	21	part	part	NN
12787	2106	22	of	of	IN
12787	2106	23	solid	solid	JJ
12787	2106	24	potassium	potassium	NN
12787	2106	25	hydroxide	hydroxide	NN
12787	2106	26	dissolved	dissolve	VBN
12787	2106	27	in	in	IN
12787	2106	28	two	two	CD
12787	2106	29	parts	part	NNS
12787	2106	30	of	of	IN
12787	2106	31	water	water	NN
12787	2106	32	)	)	-RRB-
12787	2106	33	until	until	IN
12787	2106	34	each	each	DT
12787	2106	35	small	small	JJ
12787	2106	36	bulb	bulb	NN
12787	2106	37	is	be	VBZ
12787	2106	38	about	about	RB
12787	2106	39	two	two	CD
12787	2106	40	thirds	third	NNS
12787	2106	41	full	full	JJ
12787	2106	42	(	(	-LRB-
12787	2106	43	Note	note	NN
12787	2106	44	4	4	CD
12787	2106	45	)	)	-RRB-
12787	2106	46	.	.	.
12787	2107	1	A	a	DT
12787	2107	2	small	small	JJ
12787	2107	3	tube	tube	NN
12787	2107	4	containing	contain	VBG
12787	2107	5	calcium	calcium	NN
12787	2107	6	chloride	chloride	NN
12787	2107	7	is	be	VBZ
12787	2107	8	connected	connect	VBN
12787	2107	9	with	with	IN
12787	2107	10	the	the	DT
12787	2107	11	Geissler	Geissler	NNP
12787	2107	12	bulb	bulb	NN
12787	2107	13	proper	proper	JJ
12787	2107	14	by	by	IN
12787	2107	15	a	a	DT
12787	2107	16	ground	ground	NN
12787	2107	17	joint	joint	JJ
12787	2107	18	and	and	CC
12787	2107	19	should	should	MD
12787	2107	20	be	be	VB
12787	2107	21	wired	wire	VBN
12787	2107	22	to	to	IN
12787	2107	23	the	the	DT
12787	2107	24	bulb	bulb	NN
12787	2107	25	for	for	IN
12787	2107	26	safety	safety	NN
12787	2107	27	.	.	.
12787	2108	1	This	this	DT
12787	2108	2	is	be	VBZ
12787	2108	3	designed	design	VBN
12787	2108	4	to	to	TO
12787	2108	5	retain	retain	VB
12787	2108	6	any	any	DT
12787	2108	7	moisture	moisture	NN
12787	2108	8	from	from	IN
12787	2108	9	the	the	DT
12787	2108	10	hydroxide	hydroxide	NN
12787	2108	11	solution	solution	NN
12787	2108	12	.	.	.
12787	2109	1	A	a	DT
12787	2109	2	piece	piece	NN
12787	2109	3	of	of	IN
12787	2109	4	clean	clean	JJ
12787	2109	5	,	,	,
12787	2109	6	fine	fine	JJ
12787	2109	7	copper	copper	NN
12787	2109	8	wire	wire	NN
12787	2109	9	is	be	VBZ
12787	2109	10	so	so	RB
12787	2109	11	attached	attach	VBN
12787	2109	12	to	to	IN
12787	2109	13	the	the	DT
12787	2109	14	bulb	bulb	NN
12787	2109	15	that	that	IN
12787	2109	16	it	-PRON-	PRP
12787	2109	17	can	can	MD
12787	2109	18	be	be	VB
12787	2109	19	hung	hang	VBN
12787	2109	20	from	from	IN
12787	2109	21	the	the	DT
12787	2109	22	hook	hook	NN
12787	2109	23	above	above	IN
12787	2109	24	a	a	DT
12787	2109	25	balance	balance	NN
12787	2109	26	pan	pan	NN
12787	2109	27	,	,	,
12787	2109	28	or	or	CC
12787	2109	29	other	other	JJ
12787	2109	30	support	support	NN
12787	2109	31	.	.	.
12787	2110	1	The	the	DT
12787	2110	2	small	small	JJ
12787	2110	3	bottle	bottle	NN
12787	2110	4	(	(	-LRB-
12787	2110	5	G	g	NN
12787	2110	6	)	)	-RRB-
12787	2110	7	with	with	IN
12787	2110	8	concentrated	concentrated	JJ
12787	2110	9	sulphuric	sulphuric	NNP
12787	2110	10	acid	acid	NNP
12787	2110	11	(	(	-LRB-
12787	2110	12	sp	sp	NNP
12787	2110	13	.	.	.
12787	2111	1	gr	gr	NNP
12787	2111	2	.	.	.
12787	2112	1	1.84	1.84	LS
12787	2112	2	)	)	-RRB-
12787	2112	3	is	be	VBZ
12787	2112	4	so	so	RB
12787	2112	5	arranged	arrange	VBN
12787	2112	6	that	that	IN
12787	2112	7	the	the	DT
12787	2112	8	tube	tube	NN
12787	2112	9	(	(	-LRB-
12787	2112	10	f	f	NNP
12787	2112	11	)	)	-RRB-
12787	2112	12	barely	barely	RB
12787	2112	13	dips	dip	VBZ
12787	2112	14	below	below	IN
12787	2112	15	the	the	DT
12787	2112	16	surface	surface	NN
12787	2112	17	.	.	.
12787	2113	1	This	this	DT
12787	2113	2	will	will	MD
12787	2113	3	prevent	prevent	VB
12787	2113	4	the	the	DT
12787	2113	5	absorption	absorption	NN
12787	2113	6	of	of	IN
12787	2113	7	water	water	NN
12787	2113	8	vapor	vapor	NN
12787	2113	9	by	by	IN
12787	2113	10	(	(	-LRB-
12787	2113	11	F	f	NN
12787	2113	12	)	)	-RRB-
12787	2113	13	or	or	CC
12787	2113	14	(	(	-LRB-
12787	2113	15	F	F	NNP
12787	2113	16	'	'	''
12787	2113	17	)	)	-RRB-
12787	2113	18	and	and	CC
12787	2113	19	serves	serve	VBZ
12787	2113	20	as	as	IN
12787	2113	21	an	an	DT
12787	2113	22	aid	aid	NN
12787	2113	23	in	in	IN
12787	2113	24	regulating	regulate	VBG
12787	2113	25	the	the	DT
12787	2113	26	flow	flow	NN
12787	2113	27	of	of	IN
12787	2113	28	air	air	NN
12787	2113	29	through	through	IN
12787	2113	30	the	the	DT
12787	2113	31	apparatus	apparatus	NN
12787	2113	32	.	.	.
12787	2114	1	(	(	-LRB-
12787	2114	2	H	h	NN
12787	2114	3	)	)	-RRB-
12787	2114	4	is	be	VBZ
12787	2114	5	an	an	DT
12787	2114	6	aspirator	aspirator	NN
12787	2114	7	bottle	bottle	NN
12787	2114	8	of	of	IN
12787	2114	9	about	about	RB
12787	2114	10	four	four	CD
12787	2114	11	liters	liter	NNS
12787	2114	12	capacity	capacity	NN
12787	2114	13	,	,	,
12787	2114	14	filled	fill	VBN
12787	2114	15	with	with	IN
12787	2114	16	water	water	NN
12787	2114	17	;	;	:
12787	2114	18	(	(	-LRB-
12787	2114	19	k	k	NN
12787	2114	20	)	)	-RRB-
12787	2114	21	is	be	VBZ
12787	2114	22	a	a	DT
12787	2114	23	safety	safety	NN
12787	2114	24	tube	tube	NN
12787	2114	25	and	and	CC
12787	2114	26	a	a	DT
12787	2114	27	means	means	NN
12787	2114	28	of	of	IN
12787	2114	29	refilling	refill	VBG
12787	2114	30	(	(	-LRB-
12787	2114	31	H	h	NN
12787	2114	32	)	)	-RRB-
12787	2114	33	;	;	:
12787	2114	34	(	(	-LRB-
12787	2114	35	h	h	NN
12787	2114	36	)	)	-RRB-
12787	2114	37	is	be	VBZ
12787	2114	38	a	a	DT
12787	2114	39	screw	screw	NN
12787	2114	40	clamp	clamp	NN
12787	2114	41	,	,	,
12787	2114	42	and	and	CC
12787	2114	43	(	(	-LRB-
12787	2114	44	K	k	NN
12787	2114	45	)	)	-RRB-
12787	2114	46	a	a	DT
12787	2114	47	U	U	NNP
12787	2114	48	-	-	HYPH
12787	2114	49	tube	tube	NN
12787	2114	50	filled	fill	VBN
12787	2114	51	with	with	IN
12787	2114	52	soda	soda	NN
12787	2114	53	lime	lime	RB
12787	2114	54	.	.	.
12787	2115	1	[	[	-LRB-
12787	2115	2	Note	note	NN
12787	2115	3	1	1	CD
12787	2115	4	:	:	:
12787	2115	5	The	the	DT
12787	2115	6	air	air	NN
12787	2115	7	current	current	NN
12787	2115	8	,	,	,
12787	2115	9	which	which	WDT
12787	2115	10	is	be	VBZ
12787	2115	11	subsequently	subsequently	RB
12787	2115	12	drawn	draw	VBN
12787	2115	13	through	through	IN
12787	2115	14	the	the	DT
12787	2115	15	apparatus	apparatus	NN
12787	2115	16	,	,	,
12787	2115	17	to	to	TO
12787	2115	18	sweep	sweep	VB
12787	2115	19	all	all	DT
12787	2115	20	of	of	IN
12787	2115	21	the	the	DT
12787	2115	22	carbon	carbon	NN
12787	2115	23	dioxide	dioxide	NN
12787	2115	24	into	into	IN
12787	2115	25	the	the	DT
12787	2115	26	absorption	absorption	NN
12787	2115	27	apparatus	apparatus	NN
12787	2115	28	,	,	,
12787	2115	29	is	be	VBZ
12787	2115	30	likely	likely	JJ
12787	2115	31	to	to	TO
12787	2115	32	carry	carry	VB
12787	2115	33	with	with	IN
12787	2115	34	it	-PRON-	PRP
12787	2115	35	some	some	DT
12787	2115	36	hydrochloric	hydrochloric	JJ
12787	2115	37	acid	acid	NN
12787	2115	38	from	from	IN
12787	2115	39	the	the	DT
12787	2115	40	evolution	evolution	NN
12787	2115	41	flask	flask	NN
12787	2115	42	.	.	.
12787	2116	1	This	this	DT
12787	2116	2	acid	acid	NN
12787	2116	3	is	be	VBZ
12787	2116	4	retained	retain	VBN
12787	2116	5	by	by	IN
12787	2116	6	the	the	DT
12787	2116	7	silver	silver	JJ
12787	2116	8	sulphate	sulphate	NN
12787	2116	9	solution	solution	NN
12787	2116	10	.	.	.
12787	2117	1	The	the	DT
12787	2117	2	addition	addition	NN
12787	2117	3	of	of	IN
12787	2117	4	concentrated	concentrate	VBN
12787	2117	5	sulphuric	sulphuric	JJ
12787	2117	6	acid	acid	NN
12787	2117	7	to	to	IN
12787	2117	8	this	this	DT
12787	2117	9	solution	solution	NN
12787	2117	10	reduces	reduce	VBZ
12787	2117	11	its	-PRON-	PRP$
12787	2117	12	vapor	vapor	NN
12787	2117	13	pressure	pressure	NN
12787	2117	14	so	so	RB
12787	2117	15	far	far	RB
12787	2117	16	that	that	IN
12787	2117	17	very	very	RB
12787	2117	18	little	little	JJ
12787	2117	19	water	water	NN
12787	2117	20	is	be	VBZ
12787	2117	21	carried	carry	VBN
12787	2117	22	on	on	RP
12787	2117	23	by	by	IN
12787	2117	24	the	the	DT
12787	2117	25	air	air	NN
12787	2117	26	current	current	NN
12787	2117	27	,	,	,
12787	2117	28	and	and	CC
12787	2117	29	this	this	DT
12787	2117	30	slight	slight	JJ
12787	2117	31	amount	amount	NN
12787	2117	32	is	be	VBZ
12787	2117	33	absorbed	absorb	VBN
12787	2117	34	by	by	IN
12787	2117	35	the	the	DT
12787	2117	36	calcium	calcium	NN
12787	2117	37	chloride	chloride	NN
12787	2117	38	in	in	IN
12787	2117	39	(	(	-LRB-
12787	2117	40	E	e	NN
12787	2117	41	)	)	-RRB-
12787	2117	42	.	.	.
12787	2118	1	As	as	IN
12787	2118	2	the	the	DT
12787	2118	3	calcium	calcium	NN
12787	2118	4	chloride	chloride	NN
12787	2118	5	frequently	frequently	RB
12787	2118	6	contains	contain	VBZ
12787	2118	7	a	a	DT
12787	2118	8	small	small	JJ
12787	2118	9	amount	amount	NN
12787	2118	10	of	of	IN
12787	2118	11	a	a	DT
12787	2118	12	basic	basic	JJ
12787	2118	13	material	material	NN
12787	2118	14	which	which	WDT
12787	2118	15	would	would	MD
12787	2118	16	absorb	absorb	VB
12787	2118	17	carbon	carbon	NN
12787	2118	18	dioxide	dioxide	NN
12787	2118	19	,	,	,
12787	2118	20	it	-PRON-	PRP
12787	2118	21	is	be	VBZ
12787	2118	22	necessary	necessary	JJ
12787	2118	23	to	to	TO
12787	2118	24	pass	pass	VB
12787	2118	25	carbon	carbon	NN
12787	2118	26	dioxide	dioxide	NN
12787	2118	27	through	through	IN
12787	2118	28	(	(	-LRB-
12787	2118	29	E	e	NN
12787	2118	30	)	)	-RRB-
12787	2118	31	for	for	IN
12787	2118	32	a	a	DT
12787	2118	33	short	short	JJ
12787	2118	34	time	time	NN
12787	2118	35	and	and	CC
12787	2118	36	then	then	RB
12787	2118	37	drive	drive	VB
12787	2118	38	all	all	PDT
12787	2118	39	the	the	DT
12787	2118	40	gas	gas	NN
12787	2118	41	out	out	RP
12787	2118	42	with	with	IN
12787	2118	43	a	a	DT
12787	2118	44	dry	dry	JJ
12787	2118	45	air	air	NN
12787	2118	46	current	current	NN
12787	2118	47	for	for	IN
12787	2118	48	thirty	thirty	CD
12787	2118	49	minutes	minute	NNS
12787	2118	50	before	before	IN
12787	2118	51	use	use	NN
12787	2118	52	.	.	.
12787	2118	53	]	]	-RRB-
12787	2119	1	[	[	-LRB-
12787	2119	2	Note	note	NN
12787	2119	3	2	2	CD
12787	2119	4	:	:	:
12787	2119	5	Soda	soda	NN
12787	2119	6	-	-	HYPH
12787	2119	7	lime	lime	NN
12787	2119	8	absorption	absorption	NN
12787	2119	9	tubes	tube	NNS
12787	2119	10	are	be	VBP
12787	2119	11	to	to	TO
12787	2119	12	be	be	VB
12787	2119	13	preferred	prefer	VBN
12787	2119	14	if	if	IN
12787	2119	15	a	a	DT
12787	2119	16	satisfactory	satisfactory	JJ
12787	2119	17	quality	quality	NN
12787	2119	18	of	of	IN
12787	2119	19	soda	soda	NN
12787	2119	20	lime	lime	NN
12787	2119	21	is	be	VBZ
12787	2119	22	available	available	JJ
12787	2119	23	and	and	CC
12787	2119	24	the	the	DT
12787	2119	25	number	number	NN
12787	2119	26	of	of	IN
12787	2119	27	determinations	determination	NNS
12787	2119	28	to	to	TO
12787	2119	29	be	be	VB
12787	2119	30	made	make	VBN
12787	2119	31	successively	successively	RB
12787	2119	32	is	be	VBZ
12787	2119	33	small	small	JJ
12787	2119	34	.	.	.
12787	2120	1	The	the	DT
12787	2120	2	potash	potash	NN
12787	2120	3	bulbs	bulb	NNS
12787	2120	4	will	will	MD
12787	2120	5	usually	usually	RB
12787	2120	6	permit	permit	VB
12787	2120	7	of	of	IN
12787	2120	8	a	a	DT
12787	2120	9	larger	large	JJR
12787	2120	10	number	number	NN
12787	2120	11	of	of	IN
12787	2120	12	successive	successive	JJ
12787	2120	13	determinations	determination	NNS
12787	2120	14	without	without	IN
12787	2120	15	refilling	refill	VBG
12787	2120	16	,	,	,
12787	2120	17	but	but	CC
12787	2120	18	they	-PRON-	PRP
12787	2120	19	require	require	VBP
12787	2120	20	greater	great	JJR
12787	2120	21	care	care	NN
12787	2120	22	in	in	IN
12787	2120	23	handling	handling	NN
12787	2120	24	and	and	CC
12787	2120	25	in	in	IN
12787	2120	26	the	the	DT
12787	2120	27	analytical	analytical	JJ
12787	2120	28	procedure	procedure	NN
12787	2120	29	.	.	.
12787	2120	30	]	]	-RRB-
12787	2121	1	[	[	-LRB-
12787	2121	2	Note	note	NN
12787	2121	3	3	3	CD
12787	2121	4	:	:	:
12787	2121	5	Soda	Soda	NNP
12787	2121	6	lime	lime	NN
12787	2121	7	is	be	VBZ
12787	2121	8	a	a	DT
12787	2121	9	mixture	mixture	NN
12787	2121	10	of	of	IN
12787	2121	11	sodium	sodium	NN
12787	2121	12	and	and	CC
12787	2121	13	calcium	calcium	NN
12787	2121	14	hydroxides	hydroxide	NNS
12787	2121	15	.	.	.
12787	2122	1	Both	both	DT
12787	2122	2	combine	combine	VBP
12787	2122	3	with	with	IN
12787	2122	4	carbon	carbon	NN
12787	2122	5	dioxide	dioxide	NN
12787	2122	6	to	to	TO
12787	2122	7	form	form	VB
12787	2122	8	carbonates	carbonate	NNS
12787	2122	9	,	,	,
12787	2122	10	with	with	IN
12787	2122	11	the	the	DT
12787	2122	12	evolution	evolution	NN
12787	2122	13	of	of	IN
12787	2122	14	water	water	NN
12787	2122	15	.	.	.
12787	2123	1	Considerable	considerable	JJ
12787	2123	2	heat	heat	NN
12787	2123	3	is	be	VBZ
12787	2123	4	generated	generate	VBN
12787	2123	5	by	by	IN
12787	2123	6	the	the	DT
12787	2123	7	reaction	reaction	NN
12787	2123	8	,	,	,
12787	2123	9	and	and	CC
12787	2123	10	the	the	DT
12787	2123	11	temperature	temperature	NN
12787	2123	12	of	of	IN
12787	2123	13	the	the	DT
12787	2123	14	tube	tube	NN
12787	2123	15	during	during	IN
12787	2123	16	absorption	absorption	NN
12787	2123	17	serves	serve	VBZ
12787	2123	18	as	as	IN
12787	2123	19	a	a	DT
12787	2123	20	rough	rough	JJ
12787	2123	21	index	index	NN
12787	2123	22	of	of	IN
12787	2123	23	the	the	DT
12787	2123	24	progress	progress	NN
12787	2123	25	of	of	IN
12787	2123	26	the	the	DT
12787	2123	27	reaction	reaction	NN
12787	2123	28	through	through	IN
12787	2123	29	the	the	DT
12787	2123	30	mass	mass	NN
12787	2123	31	of	of	IN
12787	2123	32	soda	soda	NN
12787	2123	33	lime	lime	NN
12787	2123	34	.	.	.
12787	2124	1	It	-PRON-	PRP
12787	2124	2	is	be	VBZ
12787	2124	3	essential	essential	JJ
12787	2124	4	that	that	IN
12787	2124	5	soda	soda	NN
12787	2124	6	lime	lime	RB
12787	2124	7	of	of	IN
12787	2124	8	good	good	JJ
12787	2124	9	quality	quality	NN
12787	2124	10	for	for	IN
12787	2124	11	analytical	analytical	JJ
12787	2124	12	purposes	purpose	NNS
12787	2124	13	should	should	MD
12787	2124	14	be	be	VB
12787	2124	15	used	use	VBN
12787	2124	16	.	.	.
12787	2125	1	The	the	DT
12787	2125	2	tube	tube	NN
12787	2125	3	should	should	MD
12787	2125	4	not	not	RB
12787	2125	5	contain	contain	VB
12787	2125	6	dust	dust	NN
12787	2125	7	,	,	,
12787	2125	8	as	as	IN
12787	2125	9	this	this	DT
12787	2125	10	is	be	VBZ
12787	2125	11	likely	likely	JJ
12787	2125	12	to	to	TO
12787	2125	13	be	be	VB
12787	2125	14	swept	sweep	VBN
12787	2125	15	away	away	RB
12787	2125	16	.	.	.
12787	2125	17	]	]	-RRB-
12787	2126	1	[	[	-LRB-
12787	2126	2	Note	note	NN
12787	2126	3	4	4	CD
12787	2126	4	:	:	:
12787	2126	5	The	the	DT
12787	2126	6	solution	solution	NN
12787	2126	7	of	of	IN
12787	2126	8	the	the	DT
12787	2126	9	hydroxide	hydroxide	NN
12787	2126	10	for	for	IN
12787	2126	11	use	use	NN
12787	2126	12	in	in	IN
12787	2126	13	the	the	DT
12787	2126	14	Geissler	Geissler	NNP
12787	2126	15	bulb	bulb	NN
12787	2126	16	must	must	MD
12787	2126	17	be	be	VB
12787	2126	18	highly	highly	RB
12787	2126	19	concentrated	concentrated	JJ
12787	2126	20	to	to	TO
12787	2126	21	insure	insure	VB
12787	2126	22	complete	complete	JJ
12787	2126	23	absorption	absorption	NN
12787	2126	24	of	of	IN
12787	2126	25	the	the	DT
12787	2126	26	carbon	carbon	NN
12787	2126	27	dioxide	dioxide	NN
12787	2126	28	and	and	CC
12787	2126	29	also	also	RB
12787	2126	30	to	to	TO
12787	2126	31	reduce	reduce	VB
12787	2126	32	the	the	DT
12787	2126	33	vapor	vapor	NN
12787	2126	34	pressure	pressure	NN
12787	2126	35	of	of	IN
12787	2126	36	the	the	DT
12787	2126	37	solution	solution	NN
12787	2126	38	,	,	,
12787	2126	39	thus	thus	RB
12787	2126	40	lessening	lessen	VBG
12787	2126	41	the	the	DT
12787	2126	42	danger	danger	NN
12787	2126	43	of	of	IN
12787	2126	44	loss	loss	NN
12787	2126	45	of	of	IN
12787	2126	46	water	water	NN
12787	2126	47	with	with	IN
12787	2126	48	the	the	DT
12787	2126	49	air	air	NN
12787	2126	50	which	which	WDT
12787	2126	51	passes	pass	VBZ
12787	2126	52	through	through	IN
12787	2126	53	the	the	DT
12787	2126	54	bulbs	bulb	NNS
12787	2126	55	.	.	.
12787	2127	1	The	the	DT
12787	2127	2	small	small	JJ
12787	2127	3	quantity	quantity	NN
12787	2127	4	of	of	IN
12787	2127	5	moisture	moisture	NN
12787	2127	6	which	which	WDT
12787	2127	7	is	be	VBZ
12787	2127	8	then	then	RB
12787	2127	9	carried	carry	VBN
12787	2127	10	out	out	IN
12787	2127	11	of	of	IN
12787	2127	12	the	the	DT
12787	2127	13	bulbs	bulb	NNS
12787	2127	14	is	be	VBZ
12787	2127	15	held	hold	VBN
12787	2127	16	by	by	IN
12787	2127	17	the	the	DT
12787	2127	18	calcium	calcium	NN
12787	2127	19	chloride	chloride	NN
12787	2127	20	in	in	IN
12787	2127	21	the	the	DT
12787	2127	22	prolong	prolong	JJ
12787	2127	23	tube	tube	NN
12787	2127	24	.	.	.
12787	2128	1	The	the	DT
12787	2128	2	best	good	JJS
12787	2128	3	form	form	NN
12787	2128	4	of	of	IN
12787	2128	5	absorption	absorption	NN
12787	2128	6	bulb	bulb	NN
12787	2128	7	is	be	VBZ
12787	2128	8	that	that	DT
12787	2128	9	to	to	TO
12787	2128	10	which	which	WDT
12787	2128	11	the	the	DT
12787	2128	12	prolong	prolong	JJ
12787	2128	13	tube	tube	NN
12787	2128	14	is	be	VBZ
12787	2128	15	attached	attach	VBN
12787	2128	16	by	by	IN
12787	2128	17	a	a	DT
12787	2128	18	ground	ground	NN
12787	2128	19	glass	glass	NN
12787	2128	20	joint	joint	NN
12787	2128	21	.	.	.
12787	2129	1	After	after	IN
12787	2129	2	the	the	DT
12787	2129	3	potassium	potassium	NN
12787	2129	4	hydroxide	hydroxide	NN
12787	2129	5	is	be	VBZ
12787	2129	6	approximately	approximately	RB
12787	2129	7	half	half	RB
12787	2129	8	consumed	consume	VBN
12787	2129	9	in	in	IN
12787	2129	10	the	the	DT
12787	2129	11	first	first	JJ
12787	2129	12	bulb	bulb	NN
12787	2129	13	of	of	IN
12787	2129	14	the	the	DT
12787	2129	15	absorption	absorption	NN
12787	2129	16	apparatus	apparatus	NN
12787	2129	17	,	,	,
12787	2129	18	potassium	potassium	NN
12787	2129	19	bicarbonate	bicarbonate	NN
12787	2129	20	is	be	VBZ
12787	2129	21	formed	form	VBN
12787	2129	22	,	,	,
12787	2129	23	and	and	CC
12787	2129	24	as	as	IN
12787	2129	25	it	-PRON-	PRP
12787	2129	26	is	be	VBZ
12787	2129	27	much	much	RB
12787	2129	28	less	less	RBR
12787	2129	29	soluble	soluble	JJ
12787	2129	30	than	than	IN
12787	2129	31	the	the	DT
12787	2129	32	carbonate	carbonate	NN
12787	2129	33	,	,	,
12787	2129	34	it	-PRON-	PRP
12787	2129	35	often	often	RB
12787	2129	36	precipitates	precipitate	VBZ
12787	2129	37	.	.	.
12787	2130	1	Its	-PRON-	PRP$
12787	2130	2	formation	formation	NN
12787	2130	3	is	be	VBZ
12787	2130	4	a	a	DT
12787	2130	5	warning	warning	NN
12787	2130	6	that	that	IN
12787	2130	7	the	the	DT
12787	2130	8	absorbing	absorb	VBG
12787	2130	9	power	power	NN
12787	2130	10	of	of	IN
12787	2130	11	the	the	DT
12787	2130	12	hydroxide	hydroxide	NN
12787	2130	13	is	be	VBZ
12787	2130	14	much	much	RB
12787	2130	15	diminished	diminish	VBN
12787	2130	16	.	.	.
12787	2130	17	]	]	-RRB-
12787	2131	1	!	!	.
12787	2131	2	The	the	DT
12787	2131	3	Analysis	Analysis	NNP
12787	2131	4	!	!	.
12787	2132	1	PROCEDURE.--	procedure.--	LS
12787	2132	2	Weigh	weigh	VB
12787	2132	3	out	out	RP
12787	2132	4	into	into	IN
12787	2132	5	the	the	DT
12787	2132	6	flask	flask	NN
12787	2132	7	(	(	-LRB-
12787	2132	8	B	b	NN
12787	2132	9	)	)	-RRB-
12787	2132	10	about	about	RB
12787	2132	11	1	1	CD
12787	2132	12	gram	gram	NN
12787	2132	13	of	of	IN
12787	2132	14	limestone	limestone	NN
12787	2132	15	.	.	.
12787	2133	1	Cover	cover	VB
12787	2133	2	it	-PRON-	PRP
12787	2133	3	with	with	IN
12787	2133	4	15	15	CD
12787	2133	5	cc	cc	NN
12787	2133	6	.	.	.
12787	2134	1	of	of	IN
12787	2134	2	water	water	NN
12787	2134	3	.	.	.
12787	2135	1	Weigh	weigh	VB
12787	2135	2	the	the	DT
12787	2135	3	absorption	absorption	NN
12787	2135	4	apparatus	apparatus	NN
12787	2135	5	(	(	-LRB-
12787	2135	6	F	f	NN
12787	2135	7	)	)	-RRB-
12787	2135	8	or	or	CC
12787	2135	9	(	(	-LRB-
12787	2135	10	F	F	NNP
12787	2135	11	'	'	''
12787	2135	12	)	)	-RRB-
12787	2135	13	accurately	accurately	RB
12787	2135	14	after	after	IN
12787	2135	15	allowing	allow	VBG
12787	2135	16	it	-PRON-	PRP
12787	2135	17	to	to	TO
12787	2135	18	stand	stand	VB
12787	2135	19	for	for	IN
12787	2135	20	30	30	CD
12787	2135	21	minutes	minute	NNS
12787	2135	22	in	in	IN
12787	2135	23	the	the	DT
12787	2135	24	balance	balance	NN
12787	2135	25	case	case	NN
12787	2135	26	,	,	,
12787	2135	27	and	and	CC
12787	2135	28	wiping	wipe	VBG
12787	2135	29	it	-PRON-	PRP
12787	2135	30	carefully	carefully	RB
12787	2135	31	with	with	IN
12787	2135	32	a	a	DT
12787	2135	33	lintless	lintless	NN
12787	2135	34	cloth	cloth	NN
12787	2135	35	,	,	,
12787	2135	36	taking	take	VBG
12787	2135	37	care	care	NN
12787	2135	38	to	to	TO
12787	2135	39	handle	handle	VB
12787	2135	40	it	-PRON-	PRP
12787	2135	41	as	as	RB
12787	2135	42	little	little	JJ
12787	2135	43	as	as	IN
12787	2135	44	possible	possible	JJ
12787	2135	45	after	after	IN
12787	2135	46	wiping	wipe	VBG
12787	2135	47	(	(	-LRB-
12787	2135	48	Note	note	NN
12787	2135	49	1	1	CD
12787	2135	50	)	)	-RRB-
12787	2135	51	.	.	.
12787	2136	1	Connect	connect	VB
12787	2136	2	the	the	DT
12787	2136	3	absorption	absorption	NN
12787	2136	4	apparatus	apparatus	NN
12787	2136	5	with	with	IN
12787	2136	6	(	(	-LRB-
12787	2136	7	e	e	NN
12787	2136	8	)	)	-RRB-
12787	2136	9	and	and	CC
12787	2136	10	(	(	-LRB-
12787	2136	11	f	f	NNP
12787	2136	12	)	)	-RRB-
12787	2136	13	.	.	.
12787	2137	1	If	if	IN
12787	2137	2	a	a	DT
12787	2137	3	soda	soda	NN
12787	2137	4	-	-	HYPH
12787	2137	5	lime	lime	NN
12787	2137	6	tube	tube	NN
12787	2137	7	is	be	VBZ
12787	2137	8	used	use	VBN
12787	2137	9	,	,	,
12787	2137	10	be	be	VB
12787	2137	11	sure	sure	JJ
12787	2137	12	that	that	IN
12787	2137	13	the	the	DT
12787	2137	14	arm	arm	NN
12787	2137	15	containing	contain	VBG
12787	2137	16	the	the	DT
12787	2137	17	soda	soda	NN
12787	2137	18	lime	lime	NN
12787	2137	19	is	be	VBZ
12787	2137	20	next	next	IN
12787	2137	21	the	the	DT
12787	2137	22	tube	tube	NN
12787	2137	23	(	(	-LRB-
12787	2137	24	E	E	NNP
12787	2137	25	)	)	-RRB-
12787	2137	26	and	and	CC
12787	2137	27	that	that	IN
12787	2137	28	the	the	DT
12787	2137	29	glass	glass	NN
12787	2137	30	stopcocks	stopcock	NNS
12787	2137	31	are	be	VBP
12787	2137	32	open	open	JJ
12787	2137	33	.	.	.
12787	2138	1	To	to	TO
12787	2138	2	be	be	VB
12787	2138	3	sure	sure	JJ
12787	2138	4	that	that	IN
12787	2138	5	the	the	DT
12787	2138	6	whole	whole	JJ
12787	2138	7	apparatus	apparatus	NN
12787	2138	8	is	be	VBZ
12787	2138	9	airtight	airtight	JJ
12787	2138	10	,	,	,
12787	2138	11	disconnect	disconnect	VB
12787	2138	12	the	the	DT
12787	2138	13	rubber	rubber	NN
12787	2138	14	tube	tube	NN
12787	2138	15	from	from	IN
12787	2138	16	the	the	DT
12787	2138	17	flask	flask	NN
12787	2138	18	(	(	-LRB-
12787	2138	19	A	a	NN
12787	2138	20	)	)	-RRB-
12787	2138	21	,	,	,
12787	2138	22	making	make	VBG
12787	2138	23	sure	sure	JJ
12787	2138	24	that	that	IN
12787	2138	25	the	the	DT
12787	2138	26	tubes	tube	NNS
12787	2138	27	(	(	-LRB-
12787	2138	28	a	a	NN
12787	2138	29	)	)	-RRB-
12787	2138	30	and	and	CC
12787	2138	31	(	(	-LRB-
12787	2138	32	b	b	NN
12787	2138	33	)	)	-RRB-
12787	2138	34	do	do	VB
12787	2138	35	not	not	RB
12787	2138	36	contain	contain	VB
12787	2138	37	any	any	DT
12787	2138	38	hydrochloric	hydrochloric	JJ
12787	2138	39	acid	acid	NN
12787	2138	40	,	,	,
12787	2138	41	close	close	VB
12787	2138	42	the	the	DT
12787	2138	43	pinchcocks	pinchcock	NNS
12787	2138	44	(	(	-LRB-
12787	2138	45	a	a	DT
12787	2138	46	)	)	-RRB-
12787	2138	47	and	and	CC
12787	2138	48	(	(	-LRB-
12787	2138	49	k	k	NN
12787	2138	50	)	)	-RRB-
12787	2138	51	and	and	CC
12787	2138	52	open	open	JJ
12787	2138	53	(	(	-LRB-
12787	2138	54	h	h	NN
12787	2138	55	)	)	-RRB-
12787	2138	56	.	.	.
12787	2139	1	No	no	DT
12787	2139	2	bubbles	bubble	NNS
12787	2139	3	should	should	MD
12787	2139	4	pass	pass	VB
12787	2139	5	through	through	IN
12787	2139	6	(	(	-LRB-
12787	2139	7	D	d	NN
12787	2139	8	)	)	-RRB-
12787	2139	9	or	or	CC
12787	2139	10	(	(	-LRB-
12787	2139	11	G	g	NN
12787	2139	12	)	)	-RRB-
12787	2139	13	after	after	IN
12787	2139	14	a	a	DT
12787	2139	15	few	few	JJ
12787	2139	16	seconds	second	NNS
12787	2139	17	.	.	.
12787	2140	1	When	when	WRB
12787	2140	2	assured	assure	VBN
12787	2140	3	that	that	IN
12787	2140	4	the	the	DT
12787	2140	5	fittings	fitting	NNS
12787	2140	6	are	be	VBP
12787	2140	7	tight	tight	JJ
12787	2140	8	,	,	,
12787	2140	9	close	close	JJ
12787	2140	10	(	(	-LRB-
12787	2140	11	h	h	NN
12787	2140	12	)	)	-RRB-
12787	2140	13	and	and	CC
12787	2140	14	open	open	VB
12787	2140	15	(	(	-LRB-
12787	2140	16	a	a	LS
12787	2140	17	)	)	-RRB-
12787	2140	18	cautiously	cautiously	RB
12787	2140	19	to	to	TO
12787	2140	20	admit	admit	VB
12787	2140	21	air	air	NN
12787	2140	22	to	to	TO
12787	2140	23	restore	restore	VB
12787	2140	24	atmospheric	atmospheric	JJ
12787	2140	25	pressure	pressure	NN
12787	2140	26	.	.	.
12787	2141	1	This	this	DT
12787	2141	2	precaution	precaution	NN
12787	2141	3	is	be	VBZ
12787	2141	4	essential	essential	JJ
12787	2141	5	,	,	,
12787	2141	6	as	as	IN
12787	2141	7	a	a	DT
12787	2141	8	sudden	sudden	JJ
12787	2141	9	inrush	inrush	NN
12787	2141	10	of	of	IN
12787	2141	11	air	air	NN
12787	2141	12	will	will	MD
12787	2141	13	project	project	VB
12787	2141	14	liquid	liquid	NN
12787	2141	15	from	from	IN
12787	2141	16	(	(	-LRB-
12787	2141	17	D	d	NN
12787	2141	18	)	)	-RRB-
12787	2141	19	or	or	CC
12787	2141	20	(	(	-LRB-
12787	2141	21	F	F	NNP
12787	2141	22	'	'	''
12787	2141	23	)	)	-RRB-
12787	2141	24	.	.	.
12787	2142	1	Reconnect	reconnect	VB
12787	2142	2	the	the	DT
12787	2142	3	rubber	rubber	NN
12787	2142	4	tube	tube	NN
12787	2142	5	with	with	IN
12787	2142	6	the	the	DT
12787	2142	7	flask	flask	NN
12787	2142	8	(	(	-LRB-
12787	2142	9	A	a	NN
12787	2142	10	)	)	-RRB-
12787	2142	11	.	.	.
12787	2143	1	Open	open	VB
12787	2143	2	the	the	DT
12787	2143	3	pinchcocks	pinchcock	NNS
12787	2143	4	(	(	-LRB-
12787	2143	5	a	a	DT
12787	2143	6	)	)	-RRB-
12787	2143	7	and	and	CC
12787	2143	8	(	(	-LRB-
12787	2143	9	k	k	NN
12787	2143	10	)	)	-RRB-
12787	2143	11	and	and	CC
12787	2143	12	blow	blow	VB
12787	2143	13	over	over	IN
12787	2143	14	about	about	RB
12787	2143	15	10	10	CD
12787	2143	16	cc	cc	NN
12787	2143	17	.	.	.
12787	2144	1	of	of	IN
12787	2144	2	the	the	DT
12787	2144	3	hydrochloric	hydrochloric	JJ
12787	2144	4	acid	acid	NN
12787	2144	5	from	from	IN
12787	2144	6	(	(	-LRB-
12787	2144	7	A	a	NN
12787	2144	8	)	)	-RRB-
12787	2144	9	into	into	IN
12787	2144	10	(	(	-LRB-
12787	2144	11	B	b	NN
12787	2144	12	)	)	-RRB-
12787	2144	13	.	.	.
12787	2145	1	When	when	WRB
12787	2145	2	the	the	DT
12787	2145	3	action	action	NN
12787	2145	4	of	of	IN
12787	2145	5	the	the	DT
12787	2145	6	acid	acid	NN
12787	2145	7	slackens	slacken	NNS
12787	2145	8	,	,	,
12787	2145	9	blow	blow	VBP
12787	2145	10	over	over	RP
12787	2145	11	(	(	-LRB-
12787	2145	12	slowly	slowly	RB
12787	2145	13	)	)	-RRB-
12787	2145	14	another	another	DT
12787	2145	15	10	10	CD
12787	2145	16	cc	cc	NN
12787	2145	17	.	.	.
12787	2146	1	The	the	DT
12787	2146	2	rate	rate	NN
12787	2146	3	of	of	IN
12787	2146	4	gas	gas	NN
12787	2146	5	evolution	evolution	NN
12787	2146	6	should	should	MD
12787	2146	7	not	not	RB
12787	2146	8	exceed	exceed	VB
12787	2146	9	for	for	IN
12787	2146	10	more	more	JJR
12787	2146	11	than	than	IN
12787	2146	12	a	a	DT
12787	2146	13	few	few	JJ
12787	2146	14	seconds	second	NNS
12787	2146	15	that	that	IN
12787	2146	16	at	at	IN
12787	2146	17	which	which	WDT
12787	2146	18	about	about	IN
12787	2146	19	two	two	CD
12787	2146	20	bubbles	bubble	NNS
12787	2146	21	per	per	IN
12787	2146	22	second	second	JJ
12787	2146	23	pass	pass	NN
12787	2146	24	through	through	IN
12787	2146	25	(	(	-LRB-
12787	2146	26	G	g	NN
12787	2146	27	)	)	-RRB-
12787	2146	28	(	(	-LRB-
12787	2146	29	Note	note	NN
12787	2146	30	2	2	CD
12787	2146	31	)	)	-RRB-
12787	2146	32	.	.	.
12787	2147	1	Repeat	repeat	VB
12787	2147	2	the	the	DT
12787	2147	3	addition	addition	NN
12787	2147	4	of	of	IN
12787	2147	5	acid	acid	NN
12787	2147	6	in	in	IN
12787	2147	7	small	small	JJ
12787	2147	8	portions	portion	NNS
12787	2147	9	until	until	IN
12787	2147	10	the	the	DT
12787	2147	11	action	action	NN
12787	2147	12	upon	upon	IN
12787	2147	13	the	the	DT
12787	2147	14	limestone	limestone	NN
12787	2147	15	seems	seem	VBZ
12787	2147	16	to	to	TO
12787	2147	17	be	be	VB
12787	2147	18	at	at	IN
12787	2147	19	an	an	DT
12787	2147	20	end	end	NN
12787	2147	21	,	,	,
12787	2147	22	taking	take	VBG
12787	2147	23	care	care	NN
12787	2147	24	to	to	TO
12787	2147	25	close	close	VB
12787	2147	26	(	(	-LRB-
12787	2147	27	a	a	DT
12787	2147	28	)	)	-RRB-
12787	2147	29	after	after	IN
12787	2147	30	each	each	DT
12787	2147	31	addition	addition	NN
12787	2147	32	of	of	IN
12787	2147	33	acid	acid	NN
12787	2147	34	(	(	-LRB-
12787	2147	35	Note	note	NN
12787	2147	36	3	3	CD
12787	2147	37	)	)	-RRB-
12787	2147	38	.	.	.
12787	2148	1	Disconnect	disconnect	NN
12787	2148	2	(	(	-LRB-
12787	2148	3	A	a	NN
12787	2148	4	)	)	-RRB-
12787	2148	5	and	and	CC
12787	2148	6	connect	connect	VB
12787	2148	7	the	the	DT
12787	2148	8	rubber	rubber	NN
12787	2148	9	tubing	tube	VBG
12787	2148	10	with	with	IN
12787	2148	11	the	the	DT
12787	2148	12	soda	soda	NN
12787	2148	13	-	-	HYPH
12787	2148	14	lime	lime	NN
12787	2148	15	tube	tube	NN
12787	2148	16	(	(	-LRB-
12787	2148	17	K	K	NNP
12787	2148	18	)	)	-RRB-
12787	2148	19	and	and	CC
12787	2148	20	open	open	JJ
12787	2148	21	(	(	-LRB-
12787	2148	22	a	a	DT
12787	2148	23	)	)	-RRB-
12787	2148	24	.	.	.
12787	2149	1	Then	then	RB
12787	2149	2	close	close	JJ
12787	2149	3	(	(	-LRB-
12787	2149	4	k	k	NN
12787	2149	5	)	)	-RRB-
12787	2149	6	and	and	CC
12787	2149	7	open	open	JJ
12787	2149	8	(	(	-LRB-
12787	2149	9	h	h	NNP
12787	2149	10	)	)	-RRB-
12787	2149	11	,	,	,
12787	2149	12	regulating	regulate	VBG
12787	2149	13	the	the	DT
12787	2149	14	flow	flow	NN
12787	2149	15	of	of	IN
12787	2149	16	water	water	NN
12787	2149	17	from	from	IN
12787	2149	18	(	(	-LRB-
12787	2149	19	H	h	NN
12787	2149	20	)	)	-RRB-
12787	2149	21	in	in	IN
12787	2149	22	such	such	PDT
12787	2149	23	a	a	DT
12787	2149	24	way	way	NN
12787	2149	25	that	that	WDT
12787	2149	26	about	about	RB
12787	2149	27	two	two	CD
12787	2149	28	bubbles	bubble	NNS
12787	2149	29	per	per	IN
12787	2149	30	second	second	JJ
12787	2149	31	pass	pass	NN
12787	2149	32	through	through	IN
12787	2149	33	(	(	-LRB-
12787	2149	34	G	g	NN
12787	2149	35	)	)	-RRB-
12787	2149	36	.	.	.
12787	2150	1	Place	place	VB
12787	2150	2	a	a	DT
12787	2150	3	small	small	JJ
12787	2150	4	flame	flame	NN
12787	2150	5	under	under	IN
12787	2150	6	(	(	-LRB-
12787	2150	7	B	b	NN
12787	2150	8	)	)	-RRB-
12787	2150	9	and	and	CC
12787	2150	10	!	!	.
12787	2150	11	slowly	slowly	RB
12787	2150	12	!	!	.
12787	2151	1	raise	raise	VB
12787	2151	2	the	the	DT
12787	2151	3	contents	content	NNS
12787	2151	4	to	to	IN
12787	2151	5	boiling	boil	VBG
12787	2151	6	and	and	CC
12787	2151	7	boil	boil	VB
12787	2151	8	for	for	IN
12787	2151	9	three	three	CD
12787	2151	10	minutes	minute	NNS
12787	2151	11	.	.	.
12787	2152	1	Then	then	RB
12787	2152	2	remove	remove	VB
12787	2152	3	the	the	DT
12787	2152	4	burner	burner	NN
12787	2152	5	from	from	IN
12787	2152	6	under	under	IN
12787	2152	7	(	(	-LRB-
12787	2152	8	B	b	NN
12787	2152	9	)	)	-RRB-
12787	2152	10	and	and	CC
12787	2152	11	continue	continue	VB
12787	2152	12	to	to	TO
12787	2152	13	draw	draw	VB
12787	2152	14	air	air	NN
12787	2152	15	through	through	IN
12787	2152	16	the	the	DT
12787	2152	17	apparatus	apparatus	NN
12787	2152	18	for	for	IN
12787	2152	19	20	20	CD
12787	2152	20	-	-	SYM
12787	2152	21	30	30	CD
12787	2152	22	minutes	minute	NNS
12787	2152	23	,	,	,
12787	2152	24	or	or	CC
12787	2152	25	until	until	IN
12787	2152	26	(	(	-LRB-
12787	2152	27	H	h	NN
12787	2152	28	)	)	-RRB-
12787	2152	29	is	be	VBZ
12787	2152	30	emptied	empty	VBN
12787	2152	31	(	(	-LRB-
12787	2152	32	Note	note	NN
12787	2152	33	4	4	CD
12787	2152	34	)	)	-RRB-
12787	2152	35	.	.	.
12787	2153	1	Remove	remove	VB
12787	2153	2	the	the	DT
12787	2153	3	absorption	absorption	NN
12787	2153	4	apparatus	apparatus	NN
12787	2153	5	,	,	,
12787	2153	6	closing	close	VBG
12787	2153	7	the	the	DT
12787	2153	8	stopcocks	stopcock	NNS
12787	2153	9	on	on	IN
12787	2153	10	(	(	-LRB-
12787	2153	11	F	f	NN
12787	2153	12	)	)	-RRB-
12787	2153	13	or	or	CC
12787	2153	14	stoppering	stopper	VBG
12787	2153	15	the	the	DT
12787	2153	16	open	open	JJ
12787	2153	17	ends	end	NNS
12787	2153	18	of	of	IN
12787	2153	19	(	(	-LRB-
12787	2153	20	F	F	NNP
12787	2153	21	'	'	''
12787	2153	22	)	)	-RRB-
12787	2153	23	,	,	,
12787	2153	24	leave	leave	VB
12787	2153	25	the	the	DT
12787	2153	26	apparatus	apparatus	NN
12787	2153	27	in	in	IN
12787	2153	28	the	the	DT
12787	2153	29	balance	balance	NN
12787	2153	30	case	case	NN
12787	2153	31	for	for	IN
12787	2153	32	at	at	RB
12787	2153	33	least	least	RBS
12787	2153	34	thirty	thirty	CD
12787	2153	35	minutes	minute	NNS
12787	2153	36	,	,	,
12787	2153	37	wipe	wipe	VB
12787	2153	38	it	-PRON-	PRP
12787	2153	39	carefully	carefully	RB
12787	2153	40	and	and	CC
12787	2153	41	weigh	weigh	VB
12787	2153	42	,	,	,
12787	2153	43	after	after	IN
12787	2153	44	opening	open	VBG
12787	2153	45	the	the	DT
12787	2153	46	stopcocks	stopcock	NNS
12787	2153	47	(	(	-LRB-
12787	2153	48	or	or	CC
12787	2153	49	removing	remove	VBG
12787	2153	50	plugs	plug	NNS
12787	2153	51	)	)	-RRB-
12787	2153	52	.	.	.
12787	2154	1	The	the	DT
12787	2154	2	increase	increase	NN
12787	2154	3	in	in	IN
12787	2154	4	weight	weight	NN
12787	2154	5	is	be	VBZ
12787	2154	6	due	due	JJ
12787	2154	7	to	to	IN
12787	2154	8	absorption	absorption	NN
12787	2154	9	of	of	IN
12787	2154	10	CO_{2	CO_{2	NNP
12787	2154	11	}	}	-RRB-
12787	2154	12	,	,	,
12787	2154	13	from	from	IN
12787	2154	14	which	which	WDT
12787	2154	15	its	-PRON-	PRP$
12787	2154	16	percentage	percentage	NN
12787	2154	17	in	in	IN
12787	2154	18	the	the	DT
12787	2154	19	sample	sample	NN
12787	2154	20	may	may	MD
12787	2154	21	be	be	VB
12787	2154	22	calculated	calculate	VBN
12787	2154	23	.	.	.
12787	2155	1	After	after	IN
12787	2155	2	cleaning	clean	VBG
12787	2155	3	(	(	-LRB-
12787	2155	4	B	b	NN
12787	2155	5	)	)	-RRB-
12787	2155	6	and	and	CC
12787	2155	7	refilling	refill	VBG
12787	2155	8	(	(	-LRB-
12787	2155	9	H	h	NN
12787	2155	10	)	)	-RRB-
12787	2155	11	,	,	,
12787	2155	12	the	the	DT
12787	2155	13	apparatus	apparatus	NN
12787	2155	14	is	be	VBZ
12787	2155	15	ready	ready	JJ
12787	2155	16	for	for	IN
12787	2155	17	the	the	DT
12787	2155	18	duplicate	duplicate	JJ
12787	2155	19	analysis	analysis	NN
12787	2155	20	.	.	.
12787	2156	1	[	[	-LRB-
12787	2156	2	Note	note	NN
12787	2156	3	1	1	CD
12787	2156	4	:	:	:
12787	2156	5	The	the	DT
12787	2156	6	absorption	absorption	NN
12787	2156	7	tubes	tube	NNS
12787	2156	8	or	or	CC
12787	2156	9	bulbs	bulb	NNS
12787	2156	10	have	have	VBP
12787	2156	11	large	large	JJ
12787	2156	12	surfaces	surface	NNS
12787	2156	13	on	on	IN
12787	2156	14	which	which	WDT
12787	2156	15	moisture	moisture	NN
12787	2156	16	may	may	MD
12787	2156	17	collect	collect	VB
12787	2156	18	.	.	.
12787	2157	1	By	by	IN
12787	2157	2	allowing	allow	VBG
12787	2157	3	them	-PRON-	PRP
12787	2157	4	to	to	TO
12787	2157	5	remain	remain	VB
12787	2157	6	in	in	IN
12787	2157	7	the	the	DT
12787	2157	8	balance	balance	NN
12787	2157	9	case	case	NN
12787	2157	10	for	for	IN
12787	2157	11	some	some	DT
12787	2157	12	time	time	NN
12787	2157	13	before	before	IN
12787	2157	14	weighing	weigh	VBG
12787	2157	15	,	,	,
12787	2157	16	the	the	DT
12787	2157	17	amount	amount	NN
12787	2157	18	of	of	IN
12787	2157	19	moisture	moisture	NN
12787	2157	20	absorbed	absorb	VBN
12787	2157	21	on	on	IN
12787	2157	22	the	the	DT
12787	2157	23	surface	surface	NN
12787	2157	24	is	be	VBZ
12787	2157	25	as	as	RB
12787	2157	26	nearly	nearly	RB
12787	2157	27	constant	constant	JJ
12787	2157	28	as	as	IN
12787	2157	29	practicable	practicable	JJ
12787	2157	30	during	during	IN
12787	2157	31	two	two	CD
12787	2157	32	weighings	weighing	NNS
12787	2157	33	,	,	,
12787	2157	34	and	and	CC
12787	2157	35	a	a	DT
12787	2157	36	uniform	uniform	JJ
12787	2157	37	temperature	temperature	NN
12787	2157	38	is	be	VBZ
12787	2157	39	also	also	RB
12787	2157	40	assured	assure	VBN
12787	2157	41	.	.	.
12787	2158	1	The	the	DT
12787	2158	2	stopcocks	stopcock	NNS
12787	2158	3	of	of	IN
12787	2158	4	the	the	DT
12787	2158	5	U	U	NNP
12787	2158	6	-	-	HYPH
12787	2158	7	tube	tube	NNP
12787	2158	8	should	should	MD
12787	2158	9	be	be	VB
12787	2158	10	opened	open	VBN
12787	2158	11	,	,	,
12787	2158	12	or	or	CC
12787	2158	13	the	the	DT
12787	2158	14	plugs	plug	NNS
12787	2158	15	used	use	VBN
12787	2158	16	to	to	TO
12787	2158	17	close	close	VB
12787	2158	18	the	the	DT
12787	2158	19	openings	opening	NNS
12787	2158	20	of	of	IN
12787	2158	21	the	the	DT
12787	2158	22	Geissler	Geissler	NNP
12787	2158	23	bulb	bulb	NN
12787	2158	24	should	should	MD
12787	2158	25	be	be	VB
12787	2158	26	removed	remove	VBN
12787	2158	27	before	before	IN
12787	2158	28	weighing	weigh	VBG
12787	2158	29	in	in	IN
12787	2158	30	order	order	NN
12787	2158	31	that	that	IN
12787	2158	32	the	the	DT
12787	2158	33	air	air	NN
12787	2158	34	contents	content	NNS
12787	2158	35	shall	shall	MD
12787	2158	36	always	always	RB
12787	2158	37	be	be	VB
12787	2158	38	at	at	IN
12787	2158	39	atmospheric	atmospheric	JJ
12787	2158	40	pressure	pressure	NN
12787	2158	41	.	.	.
12787	2158	42	]	]	-RRB-
12787	2159	1	[	[	-LRB-
12787	2159	2	Note	note	NN
12787	2159	3	2	2	CD
12787	2159	4	:	:	:
12787	2159	5	If	if	IN
12787	2159	6	the	the	DT
12787	2159	7	gas	gas	NN
12787	2159	8	passes	pass	VBZ
12787	2159	9	too	too	RB
12787	2159	10	rapidly	rapidly	RB
12787	2159	11	into	into	IN
12787	2159	12	the	the	DT
12787	2159	13	absorption	absorption	NN
12787	2159	14	apparatus	apparatus	NN
12787	2159	15	,	,	,
12787	2159	16	some	some	DT
12787	2159	17	carbon	carbon	NN
12787	2159	18	dioxide	dioxide	NN
12787	2159	19	may	may	MD
12787	2159	20	be	be	VB
12787	2159	21	carried	carry	VBN
12787	2159	22	through	through	RB
12787	2159	23	,	,	,
12787	2159	24	not	not	RB
12787	2159	25	being	be	VBG
12787	2159	26	completely	completely	RB
12787	2159	27	retained	retain	VBN
12787	2159	28	by	by	IN
12787	2159	29	the	the	DT
12787	2159	30	absorbents	absorbent	NNS
12787	2159	31	.	.	.
12787	2159	32	]	]	-RRB-
12787	2160	1	[	[	-LRB-
12787	2160	2	Note	note	NN
12787	2160	3	3	3	CD
12787	2160	4	:	:	:
12787	2160	5	The	the	DT
12787	2160	6	essential	essential	JJ
12787	2160	7	ionic	ionic	JJ
12787	2160	8	changes	change	NNS
12787	2160	9	involved	involve	VBN
12787	2160	10	in	in	IN
12787	2160	11	this	this	DT
12787	2160	12	procedure	procedure	NN
12787	2160	13	are	be	VBP
12787	2160	14	the	the	DT
12787	2160	15	following	follow	VBG
12787	2160	16	:	:	:
12787	2160	17	It	-PRON-	PRP
12787	2160	18	is	be	VBZ
12787	2160	19	assumed	assume	VBN
12787	2160	20	that	that	IN
12787	2160	21	the	the	DT
12787	2160	22	limestone	limestone	NN
12787	2160	23	,	,	,
12787	2160	24	which	which	WDT
12787	2160	25	is	be	VBZ
12787	2160	26	typified	typify	VBN
12787	2160	27	by	by	IN
12787	2160	28	calcium	calcium	NN
12787	2160	29	carbonate	carbonate	NN
12787	2160	30	,	,	,
12787	2160	31	is	be	VBZ
12787	2160	32	very	very	RB
12787	2160	33	slightly	slightly	RB
12787	2160	34	soluble	soluble	JJ
12787	2160	35	in	in	IN
12787	2160	36	water	water	NN
12787	2160	37	,	,	,
12787	2160	38	and	and	CC
12787	2160	39	the	the	DT
12787	2160	40	ions	ion	NNS
12787	2160	41	resulting	result	VBG
12787	2160	42	are	be	VBP
12787	2160	43	Ca^{++	Ca^{++	NNP
12787	2160	44	}	}	-RRB-
12787	2160	45	and	and	CC
12787	2160	46	CO_{3}^{--	CO_{3}^{--	NNP
12787	2160	47	}	}	-RRB-
12787	2160	48	.	.	.
12787	2161	1	In	in	IN
12787	2161	2	the	the	DT
12787	2161	3	presence	presence	NN
12787	2161	4	of	of	IN
12787	2161	5	H^{+	H^{+	NNP
12787	2161	6	}	}	-RRB-
12787	2161	7	ions	ion	NNS
12787	2161	8	of	of	IN
12787	2161	9	the	the	DT
12787	2161	10	mineral	mineral	NN
12787	2161	11	acid	acid	NN
12787	2161	12	,	,	,
12787	2161	13	the	the	DT
12787	2161	14	CO_{3}^{--	CO_{3}^{--	NNP
12787	2161	15	}	}	-RRB-
12787	2161	16	ions	ion	NNS
12787	2161	17	form	form	NN
12787	2161	18	[	[	-LRB-
12787	2161	19	H_{2}CO_{3	H_{2}CO_{3	NNP
12787	2161	20	}	}	-RRB-
12787	2161	21	]	]	-RRB-
12787	2161	22	.	.	.
12787	2162	1	This	this	DT
12787	2162	2	is	be	VBZ
12787	2162	3	not	not	RB
12787	2162	4	only	only	RB
12787	2162	5	a	a	DT
12787	2162	6	weak	weak	JJ
12787	2162	7	acid	acid	NN
12787	2162	8	which	which	WDT
12787	2162	9	,	,	,
12787	2162	10	by	by	IN
12787	2162	11	its	-PRON-	PRP$
12787	2162	12	formation	formation	NN
12787	2162	13	,	,	,
12787	2162	14	diminishes	diminish	VBZ
12787	2162	15	the	the	DT
12787	2162	16	concentration	concentration	NN
12787	2162	17	of	of	IN
12787	2162	18	the	the	DT
12787	2162	19	CO_{3}^{--	CO_{3}^{--	NNP
12787	2162	20	}	}	-RRB-
12787	2162	21	ions	ion	NNS
12787	2162	22	,	,	,
12787	2162	23	thus	thus	RB
12787	2162	24	causing	cause	VBG
12787	2162	25	more	more	JJR
12787	2162	26	of	of	IN
12787	2162	27	the	the	DT
12787	2162	28	carbonate	carbonate	NN
12787	2162	29	to	to	TO
12787	2162	30	dissolve	dissolve	VB
12787	2162	31	to	to	TO
12787	2162	32	re	re	VB
12787	2162	33	-	-	VB
12787	2162	34	establish	establish	VB
12787	2162	35	equilibrium	equilibrium	NN
12787	2162	36	,	,	,
12787	2162	37	but	but	CC
12787	2162	38	it	-PRON-	PRP
12787	2162	39	is	be	VBZ
12787	2162	40	also	also	RB
12787	2162	41	an	an	DT
12787	2162	42	unstable	unstable	JJ
12787	2162	43	compound	compound	NN
12787	2162	44	and	and	CC
12787	2162	45	breaks	break	VBZ
12787	2162	46	down	down	RP
12787	2162	47	into	into	IN
12787	2162	48	carbon	carbon	NN
12787	2162	49	dioxide	dioxide	NN
12787	2162	50	and	and	CC
12787	2162	51	water	water	NN
12787	2162	52	.	.	.
12787	2162	53	]	]	-RRB-
12787	2163	1	[	[	-LRB-
12787	2163	2	Note	note	NN
12787	2163	3	4	4	CD
12787	2163	4	:	:	:
12787	2163	5	Carbon	carbon	NN
12787	2163	6	dioxide	dioxide	NN
12787	2163	7	is	be	VBZ
12787	2163	8	dissolved	dissolve	VBN
12787	2163	9	by	by	IN
12787	2163	10	cold	cold	JJ
12787	2163	11	water	water	NN
12787	2163	12	,	,	,
12787	2163	13	but	but	CC
12787	2163	14	the	the	DT
12787	2163	15	gas	gas	NN
12787	2163	16	is	be	VBZ
12787	2163	17	expelled	expel	VBN
12787	2163	18	by	by	IN
12787	2163	19	boiling	boil	VBG
12787	2163	20	,	,	,
12787	2163	21	and	and	CC
12787	2163	22	,	,	,
12787	2163	23	together	together	RB
12787	2163	24	with	with	IN
12787	2163	25	that	that	DT
12787	2163	26	which	which	WDT
12787	2163	27	is	be	VBZ
12787	2163	28	distributed	distribute	VBN
12787	2163	29	through	through	IN
12787	2163	30	the	the	DT
12787	2163	31	apparatus	apparatus	NN
12787	2163	32	,	,	,
12787	2163	33	is	be	VBZ
12787	2163	34	swept	sweep	VBN
12787	2163	35	out	out	RP
12787	2163	36	into	into	IN
12787	2163	37	the	the	DT
12787	2163	38	absorption	absorption	NN
12787	2163	39	bulb	bulb	NN
12787	2163	40	by	by	IN
12787	2163	41	the	the	DT
12787	2163	42	current	current	NN
12787	2163	43	of	of	IN
12787	2163	44	air	air	NN
12787	2163	45	.	.	.
12787	2164	1	This	this	DT
12787	2164	2	air	air	NN
12787	2164	3	is	be	VBZ
12787	2164	4	purified	purify	VBN
12787	2164	5	by	by	IN
12787	2164	6	drawing	draw	VBG
12787	2164	7	it	-PRON-	PRP
12787	2164	8	through	through	IN
12787	2164	9	the	the	DT
12787	2164	10	tube	tube	NN
12787	2164	11	(	(	-LRB-
12787	2164	12	K	K	NNP
12787	2164	13	)	)	-RRB-
12787	2164	14	containing	contain	VBG
12787	2164	15	soda	soda	NN
12787	2164	16	lime	lime	RB
12787	2164	17	,	,	,
12787	2164	18	which	which	WDT
12787	2164	19	removes	remove	VBZ
12787	2164	20	any	any	DT
12787	2164	21	carbon	carbon	NN
12787	2164	22	dioxide	dioxide	NN
12787	2164	23	which	which	WDT
12787	2164	24	may	may	MD
12787	2164	25	be	be	VB
12787	2164	26	in	in	IN
12787	2164	27	it	-PRON-	PRP
12787	2164	28	.	.	.
12787	2164	29	]	]	-RRB-
12787	2165	1	DETERMINATION	determination	NN
12787	2165	2	OF	of	IN
12787	2165	3	LEAD	LEAD	NNP
12787	2165	4	,	,	,
12787	2165	5	COPPER	copper	NN
12787	2165	6	,	,	,
12787	2165	7	IRON	iron	NN
12787	2165	8	,	,	,
12787	2165	9	AND	and	CC
12787	2165	10	ZINC	zinc	NN
12787	2165	11	IN	in	IN
12787	2165	12	BRASS	brass	FW
12787	2165	13	ELECTROLYTIC	ELECTROLYTIC	NNP
12787	2165	14	SEPARATIONS	SEPARATIONS	NNP
12787	2165	15	!	!	.
12787	2165	16	General	General	NNP
12787	2165	17	Discussion	Discussion	NNP
12787	2165	18	!	!	.
12787	2166	1	When	when	WRB
12787	2166	2	a	a	DT
12787	2166	3	direct	direct	JJ
12787	2166	4	current	current	NN
12787	2166	5	of	of	IN
12787	2166	6	electricity	electricity	NN
12787	2166	7	passes	pass	VBZ
12787	2166	8	from	from	IN
12787	2166	9	one	one	CD
12787	2166	10	electrode	electrode	NN
12787	2166	11	to	to	IN
12787	2166	12	another	another	DT
12787	2166	13	through	through	IN
12787	2166	14	solutions	solution	NNS
12787	2166	15	of	of	IN
12787	2166	16	electrolytes	electrolyte	NNS
12787	2166	17	,	,	,
12787	2166	18	the	the	DT
12787	2166	19	individual	individual	JJ
12787	2166	20	ions	ion	NNS
12787	2166	21	present	present	JJ
12787	2166	22	in	in	IN
12787	2166	23	these	these	DT
12787	2166	24	solutions	solution	NNS
12787	2166	25	tend	tend	VBP
12787	2166	26	to	to	TO
12787	2166	27	move	move	VB
12787	2166	28	toward	toward	IN
12787	2166	29	the	the	DT
12787	2166	30	electrode	electrode	NN
12787	2166	31	of	of	IN
12787	2166	32	opposite	opposite	JJ
12787	2166	33	electrical	electrical	JJ
12787	2166	34	charge	charge	NN
12787	2166	35	to	to	IN
12787	2166	36	that	that	DT
12787	2166	37	which	which	WDT
12787	2166	38	each	each	DT
12787	2166	39	ion	ion	NN
12787	2166	40	bears	bear	VBZ
12787	2166	41	,	,	,
12787	2166	42	and	and	CC
12787	2166	43	to	to	TO
12787	2166	44	be	be	VB
12787	2166	45	discharged	discharge	VBN
12787	2166	46	by	by	IN
12787	2166	47	that	that	DT
12787	2166	48	electrode	electrode	NN
12787	2166	49	.	.	.
12787	2167	1	Whether	whether	IN
12787	2167	2	or	or	CC
12787	2167	3	not	not	RB
12787	2167	4	such	such	JJ
12787	2167	5	discharge	discharge	NN
12787	2167	6	actually	actually	RB
12787	2167	7	occurs	occur	VBZ
12787	2167	8	in	in	IN
12787	2167	9	the	the	DT
12787	2167	10	case	case	NN
12787	2167	11	of	of	IN
12787	2167	12	any	any	DT
12787	2167	13	particular	particular	JJ
12787	2167	14	ion	ion	NN
12787	2167	15	depends	depend	VBZ
12787	2167	16	upon	upon	IN
12787	2167	17	the	the	DT
12787	2167	18	potential	potential	JJ
12787	2167	19	(	(	-LRB-
12787	2167	20	voltage	voltage	NN
12787	2167	21	)	)	-RRB-
12787	2167	22	of	of	IN
12787	2167	23	the	the	DT
12787	2167	24	current	current	JJ
12787	2167	25	which	which	WDT
12787	2167	26	is	be	VBZ
12787	2167	27	passing	pass	VBG
12787	2167	28	through	through	IN
12787	2167	29	the	the	DT
12787	2167	30	solution	solution	NN
12787	2167	31	,	,	,
12787	2167	32	since	since	IN
12787	2167	33	for	for	IN
12787	2167	34	each	each	DT
12787	2167	35	ion	ion	NN
12787	2167	36	there	there	EX
12787	2167	37	is	be	VBZ
12787	2167	38	,	,	,
12787	2167	39	under	under	IN
12787	2167	40	definite	definite	JJ
12787	2167	41	conditions	condition	NNS
12787	2167	42	,	,	,
12787	2167	43	a	a	DT
12787	2167	44	minimum	minimum	JJ
12787	2167	45	potential	potential	NN
12787	2167	46	below	below	IN
12787	2167	47	which	which	WDT
12787	2167	48	the	the	DT
12787	2167	49	discharge	discharge	NN
12787	2167	50	of	of	IN
12787	2167	51	the	the	DT
12787	2167	52	ion	ion	NN
12787	2167	53	can	can	MD
12787	2167	54	not	not	RB
12787	2167	55	be	be	VB
12787	2167	56	effected	effect	VBN
12787	2167	57	.	.	.
12787	2168	1	By	by	IN
12787	2168	2	taking	take	VBG
12787	2168	3	advantage	advantage	NN
12787	2168	4	of	of	IN
12787	2168	5	differences	difference	NNS
12787	2168	6	in	in	IN
12787	2168	7	discharge	discharge	NN
12787	2168	8	-	-	HYPH
12787	2168	9	potentials	potential	NNS
12787	2168	10	,	,	,
12787	2168	11	it	-PRON-	PRP
12787	2168	12	is	be	VBZ
12787	2168	13	possible	possible	JJ
12787	2168	14	to	to	TO
12787	2168	15	effect	effect	VB
12787	2168	16	separations	separation	NNS
12787	2168	17	of	of	IN
12787	2168	18	a	a	DT
12787	2168	19	number	number	NN
12787	2168	20	of	of	IN
12787	2168	21	the	the	DT
12787	2168	22	metallic	metallic	JJ
12787	2168	23	ions	ion	NNS
12787	2168	24	by	by	IN
12787	2168	25	electrolysis	electrolysis	NN
12787	2168	26	,	,	,
12787	2168	27	and	and	CC
12787	2168	28	at	at	IN
12787	2168	29	the	the	DT
12787	2168	30	same	same	JJ
12787	2168	31	time	time	NN
12787	2168	32	to	to	TO
12787	2168	33	deposit	deposit	VB
12787	2168	34	the	the	DT
12787	2168	35	metals	metal	NNS
12787	2168	36	in	in	IN
12787	2168	37	forms	form	NNS
12787	2168	38	which	which	WDT
12787	2168	39	admit	admit	VBP
12787	2168	40	of	of	IN
12787	2168	41	direct	direct	JJ
12787	2168	42	weighing	weighing	NN
12787	2168	43	.	.	.
12787	2169	1	In	in	IN
12787	2169	2	this	this	DT
12787	2169	3	way	way	NN
12787	2169	4	the	the	DT
12787	2169	5	slower	slow	JJR
12787	2169	6	procedures	procedure	NNS
12787	2169	7	of	of	IN
12787	2169	8	precipitation	precipitation	NN
12787	2169	9	and	and	CC
12787	2169	10	filtration	filtration	NN
12787	2169	11	may	may	MD
12787	2169	12	frequently	frequently	RB
12787	2169	13	be	be	VB
12787	2169	14	avoided	avoid	VBN
12787	2169	15	.	.	.
12787	2170	1	The	the	DT
12787	2170	2	following	follow	VBG
12787	2170	3	paragraphs	paragraph	NNS
12787	2170	4	present	present	VBP
12787	2170	5	a	a	DT
12787	2170	6	brief	brief	JJ
12787	2170	7	statement	statement	NN
12787	2170	8	of	of	IN
12787	2170	9	the	the	DT
12787	2170	10	fundamental	fundamental	JJ
12787	2170	11	principles	principle	NNS
12787	2170	12	and	and	CC
12787	2170	13	conditions	condition	NNS
12787	2170	14	underlying	underlie	VBG
12787	2170	15	electro	electro	NNP
12787	2170	16	-	-	HYPH
12787	2170	17	analysis	analysis	NN
12787	2170	18	.	.	.
12787	2171	1	The	the	DT
12787	2171	2	total	total	JJ
12787	2171	3	energy	energy	NN
12787	2171	4	of	of	IN
12787	2171	5	an	an	DT
12787	2171	6	electric	electric	JJ
12787	2171	7	current	current	NN
12787	2171	8	as	as	IN
12787	2171	9	it	-PRON-	PRP
12787	2171	10	passes	pass	VBZ
12787	2171	11	through	through	IN
12787	2171	12	a	a	DT
12787	2171	13	solution	solution	NN
12787	2171	14	is	be	VBZ
12787	2171	15	distributed	distribute	VBN
12787	2171	16	among	among	IN
12787	2171	17	three	three	CD
12787	2171	18	factors	factor	NNS
12787	2171	19	,	,	,
12787	2171	20	first	first	RB
12787	2171	21	,	,	,
12787	2171	22	its	-PRON-	PRP$
12787	2171	23	potential	potential	NN
12787	2171	24	,	,	,
12787	2171	25	which	which	WDT
12787	2171	26	is	be	VBZ
12787	2171	27	measured	measure	VBN
12787	2171	28	in	in	IN
12787	2171	29	volts	volt	NNS
12787	2171	30	,	,	,
12787	2171	31	and	and	CC
12787	2171	32	corresponds	correspond	VBZ
12787	2171	33	to	to	IN
12787	2171	34	what	what	WP
12787	2171	35	is	be	VBZ
12787	2171	36	called	call	VBN
12787	2171	37	"	"	``
12787	2171	38	head	head	NN
12787	2171	39	"	"	''
12787	2171	40	in	in	IN
12787	2171	41	a	a	DT
12787	2171	42	stream	stream	NN
12787	2171	43	of	of	IN
12787	2171	44	water	water	NN
12787	2171	45	;	;	:
12787	2171	46	second	second	JJ
12787	2171	47	,	,	,
12787	2171	48	current	current	JJ
12787	2171	49	strength	strength	NN
12787	2171	50	,	,	,
12787	2171	51	which	which	WDT
12787	2171	52	is	be	VBZ
12787	2171	53	measured	measure	VBN
12787	2171	54	in	in	IN
12787	2171	55	amperes	ampere	NNS
12787	2171	56	,	,	,
12787	2171	57	and	and	CC
12787	2171	58	corresponds	correspond	VBZ
12787	2171	59	to	to	IN
12787	2171	60	the	the	DT
12787	2171	61	volume	volume	NN
12787	2171	62	of	of	IN
12787	2171	63	water	water	NN
12787	2171	64	passing	pass	VBG
12787	2171	65	a	a	DT
12787	2171	66	cross	cross	NN
12787	2171	67	-	-	NN
12787	2171	68	section	section	NN
12787	2171	69	of	of	IN
12787	2171	70	a	a	DT
12787	2171	71	stream	stream	NN
12787	2171	72	in	in	IN
12787	2171	73	a	a	DT
12787	2171	74	given	give	VBN
12787	2171	75	time	time	NN
12787	2171	76	interval	interval	NN
12787	2171	77	;	;	:
12787	2171	78	and	and	CC
12787	2171	79	third	third	RB
12787	2171	80	,	,	,
12787	2171	81	the	the	DT
12787	2171	82	resistance	resistance	NN
12787	2171	83	of	of	IN
12787	2171	84	the	the	DT
12787	2171	85	conducting	conduct	VBG
12787	2171	86	medium	medium	NN
12787	2171	87	,	,	,
12787	2171	88	which	which	WDT
12787	2171	89	is	be	VBZ
12787	2171	90	measured	measure	VBN
12787	2171	91	in	in	IN
12787	2171	92	ohms	ohms	NNP
12787	2171	93	.	.	.
12787	2172	1	The	the	DT
12787	2172	2	relation	relation	NN
12787	2172	3	between	between	IN
12787	2172	4	these	these	DT
12787	2172	5	three	three	CD
12787	2172	6	factors	factor	NNS
12787	2172	7	is	be	VBZ
12787	2172	8	expressed	express	VBN
12787	2172	9	by	by	IN
12787	2172	10	Ohm	Ohm	NNP
12787	2172	11	's	's	POS
12787	2172	12	law	law	NN
12787	2172	13	,	,	,
12787	2172	14	namely	namely	RB
12787	2172	15	,	,	,
12787	2172	16	that	that	DT
12787	2172	17	!	!	.
12787	2172	18	I	-PRON-	PRP
12787	2172	19	=	=	NFP
12787	2172	20	E	e	NN
12787	2172	21	/	/	SYM
12787	2172	22	R	r	NN
12787	2172	23	!	!	.
12787	2172	24	,	,	,
12787	2172	25	when	when	WRB
12787	2172	26	I	-PRON-	PRP
12787	2172	27	is	be	VBZ
12787	2172	28	current	current	JJ
12787	2172	29	strength	strength	NN
12787	2172	30	,	,	,
12787	2172	31	E	e	NN
12787	2172	32	potential	potential	NN
12787	2172	33	,	,	,
12787	2172	34	and	and	CC
12787	2172	35	R	r	NN
12787	2172	36	resistance	resistance	NN
12787	2172	37	.	.	.
12787	2173	1	It	-PRON-	PRP
12787	2173	2	is	be	VBZ
12787	2173	3	plain	plain	JJ
12787	2173	4	that	that	IN
12787	2173	5	,	,	,
12787	2173	6	for	for	IN
12787	2173	7	a	a	DT
12787	2173	8	constant	constant	JJ
12787	2173	9	resistance	resistance	NN
12787	2173	10	,	,	,
12787	2173	11	the	the	DT
12787	2173	12	strength	strength	NN
12787	2173	13	of	of	IN
12787	2173	14	the	the	DT
12787	2173	15	current	current	NN
12787	2173	16	and	and	CC
12787	2173	17	its	-PRON-	PRP$
12787	2173	18	potential	potential	NN
12787	2173	19	are	be	VBP
12787	2173	20	mutually	mutually	RB
12787	2173	21	and	and	CC
12787	2173	22	directly	directly	RB
12787	2173	23	interdependent	interdependent	JJ
12787	2173	24	.	.	.
12787	2174	1	As	as	IN
12787	2174	2	already	already	RB
12787	2174	3	stated	state	VBN
12787	2174	4	,	,	,
12787	2174	5	the	the	DT
12787	2174	6	applied	applied	JJ
12787	2174	7	electrical	electrical	JJ
12787	2174	8	potential	potential	JJ
12787	2174	9	determines	determine	VBZ
12787	2174	10	whether	whether	IN
12787	2174	11	or	or	CC
12787	2174	12	not	not	RB
12787	2174	13	deposition	deposition	NN
12787	2174	14	of	of	IN
12787	2174	15	a	a	DT
12787	2174	16	metal	metal	NN
12787	2174	17	upon	upon	IN
12787	2174	18	an	an	DT
12787	2174	19	electrode	electrode	NN
12787	2174	20	actually	actually	RB
12787	2174	21	occurs	occur	VBZ
12787	2174	22	.	.	.
12787	2175	1	The	the	DT
12787	2175	2	current	current	JJ
12787	2175	3	strength	strength	NN
12787	2175	4	determines	determine	VBZ
12787	2175	5	the	the	DT
12787	2175	6	rate	rate	NN
12787	2175	7	of	of	IN
12787	2175	8	deposition	deposition	NN
12787	2175	9	and	and	CC
12787	2175	10	the	the	DT
12787	2175	11	physical	physical	JJ
12787	2175	12	characteristics	characteristic	NNS
12787	2175	13	of	of	IN
12787	2175	14	the	the	DT
12787	2175	15	deposit	deposit	NN
12787	2175	16	.	.	.
12787	2176	1	The	the	DT
12787	2176	2	resistance	resistance	NN
12787	2176	3	of	of	IN
12787	2176	4	the	the	DT
12787	2176	5	solution	solution	NN
12787	2176	6	is	be	VBZ
12787	2176	7	generally	generally	RB
12787	2176	8	so	so	RB
12787	2176	9	small	small	JJ
12787	2176	10	as	as	IN
12787	2176	11	to	to	TO
12787	2176	12	fall	fall	VB
12787	2176	13	out	out	IN
12787	2176	14	of	of	IN
12787	2176	15	practical	practical	JJ
12787	2176	16	consideration	consideration	NN
12787	2176	17	.	.	.
12787	2177	1	Approximate	approximate	JJ
12787	2177	2	deposition	deposition	NN
12787	2177	3	-	-	HYPH
12787	2177	4	potentials	potential	NNS
12787	2177	5	have	have	VBP
12787	2177	6	been	be	VBN
12787	2177	7	determined	determine	VBN
12787	2177	8	for	for	IN
12787	2177	9	a	a	DT
12787	2177	10	number	number	NN
12787	2177	11	of	of	IN
12787	2177	12	the	the	DT
12787	2177	13	metallic	metallic	JJ
12787	2177	14	elements	element	NNS
12787	2177	15	,	,	,
12787	2177	16	and	and	CC
12787	2177	17	also	also	RB
12787	2177	18	for	for	IN
12787	2177	19	hydrogen	hydrogen	NN
12787	2177	20	and	and	CC
12787	2177	21	some	some	DT
12787	2177	22	of	of	IN
12787	2177	23	the	the	DT
12787	2177	24	acid	acid	NN
12787	2177	25	-	-	HYPH
12787	2177	26	forming	form	VBG
12787	2177	27	radicals	radical	NNS
12787	2177	28	.	.	.
12787	2178	1	The	the	DT
12787	2178	2	values	value	NNS
12787	2178	3	given	give	VBN
12787	2178	4	below	below	RB
12787	2178	5	are	be	VBP
12787	2178	6	those	those	DT
12787	2178	7	required	require	VBN
12787	2178	8	for	for	IN
12787	2178	9	deposition	deposition	NN
12787	2178	10	from	from	IN
12787	2178	11	normal	normal	JJ
12787	2178	12	solutions	solution	NNS
12787	2178	13	at	at	IN
12787	2178	14	ordinary	ordinary	JJ
12787	2178	15	temperatures	temperature	NNS
12787	2178	16	with	with	IN
12787	2178	17	reference	reference	NN
12787	2178	18	to	to	IN
12787	2178	19	a	a	DT
12787	2178	20	hydrogen	hydrogen	NN
12787	2178	21	electrode	electrode	NN
12787	2178	22	.	.	.
12787	2179	1	They	-PRON-	PRP
12787	2179	2	must	must	MD
12787	2179	3	be	be	VB
12787	2179	4	regarded	regard	VBN
12787	2179	5	as	as	IN
12787	2179	6	approximate	approximate	JJ
12787	2179	7	,	,	,
12787	2179	8	since	since	IN
12787	2179	9	several	several	JJ
12787	2179	10	disturbing	disturbing	JJ
12787	2179	11	factors	factor	NNS
12787	2179	12	and	and	CC
12787	2179	13	some	some	DT
12787	2179	14	secondary	secondary	JJ
12787	2179	15	reactions	reaction	NNS
12787	2179	16	render	render	VBP
12787	2179	17	difficult	difficult	JJ
12787	2179	18	their	-PRON-	PRP$
12787	2179	19	exact	exact	JJ
12787	2179	20	application	application	NN
12787	2179	21	under	under	IN
12787	2179	22	the	the	DT
12787	2179	23	conditions	condition	NNS
12787	2179	24	of	of	IN
12787	2179	25	analysis	analysis	NN
12787	2179	26	.	.	.
12787	2180	1	They	-PRON-	PRP
12787	2180	2	are	be	VBP
12787	2180	3	:	:	:
12787	2180	4	Zn	Zn	NNP
12787	2180	5	Cd	Cd	NNP
12787	2180	6	Fe	Fe	NNP
12787	2180	7	Ni	Ni	NNP
12787	2180	8	Pb	Pb	NNP
12787	2180	9	H	H	NNP
12787	2180	10	Cu	Cu	NNP
12787	2180	11	Sb	Sb	NNP
12787	2180	12	Hg	hg	PRP
12787	2180	13	Ag	Ag	NNP
12787	2180	14	SO_{4	SO_{4	NNP
12787	2180	15	}	}	-RRB-
12787	2180	16	+0.77	+0.77	NNP
12787	2180	17	+0.42	+0.42	NNP
12787	2180	18	+0.34	+0.34	NNP
12787	2180	19	+0.33	+0.33	NNP
12787	2180	20	+0.13	+0.13	NNP
12787	2180	21	0	0	CD
12787	2180	22	-0.34	-0.34	CD
12787	2180	23	-0.67	-0.67	CD
12787	2180	24	-0.76	-0.76	CD
12787	2180	25	-0.79	-0.79	CD
12787	2180	26	+1.90	+1.90	NN
12787	2180	27	From	from	IN
12787	2180	28	these	these	DT
12787	2180	29	data	datum	NNS
12787	2180	30	it	-PRON-	PRP
12787	2180	31	is	be	VBZ
12787	2180	32	evident	evident	JJ
12787	2180	33	that	that	IN
12787	2180	34	in	in	IN
12787	2180	35	order	order	NN
12787	2180	36	to	to	TO
12787	2180	37	deposit	deposit	VB
12787	2180	38	copper	copper	NN
12787	2180	39	from	from	IN
12787	2180	40	a	a	DT
12787	2180	41	normal	normal	JJ
12787	2180	42	solution	solution	NN
12787	2180	43	of	of	IN
12787	2180	44	copper	copper	NN
12787	2180	45	sulphate	sulphate	NN
12787	2180	46	a	a	DT
12787	2180	47	minimum	minimum	JJ
12787	2180	48	potential	potential	NN
12787	2180	49	equal	equal	JJ
12787	2180	50	to	to	IN
12787	2180	51	the	the	DT
12787	2180	52	algebraic	algebraic	NN
12787	2180	53	sum	sum	NN
12787	2180	54	of	of	IN
12787	2180	55	the	the	DT
12787	2180	56	deposition	deposition	NN
12787	2180	57	-	-	HYPH
12787	2180	58	potentials	potential	NNS
12787	2180	59	of	of	IN
12787	2180	60	copper	copper	NN
12787	2180	61	ions	ion	NNS
12787	2180	62	and	and	CC
12787	2180	63	sulphate	sulphate	NN
12787	2180	64	ions	ion	NNS
12787	2180	65	must	must	MD
12787	2180	66	be	be	VB
12787	2180	67	applied	apply	VBN
12787	2180	68	,	,	,
12787	2180	69	that	that	RB
12787	2180	70	is	is	RB
12787	2180	71	,	,	,
12787	2180	72	+1.56	+1.56	NNP
12787	2180	73	volts	volt	NNS
12787	2180	74	.	.	.
12787	2181	1	The	the	DT
12787	2181	2	deposition	deposition	NN
12787	2181	3	of	of	IN
12787	2181	4	zinc	zinc	NN
12787	2181	5	from	from	IN
12787	2181	6	a	a	DT
12787	2181	7	solution	solution	NN
12787	2181	8	of	of	IN
12787	2181	9	zinc	zinc	NN
12787	2181	10	sulphate	sulphate	NN
12787	2181	11	would	would	MD
12787	2181	12	require	require	VB
12787	2181	13	+2.67	+2.67	NNP
12787	2181	14	volts	volt	NNS
12787	2181	15	,	,	,
12787	2181	16	but	but	CC
12787	2181	17	,	,	,
12787	2181	18	since	since	IN
12787	2181	19	the	the	DT
12787	2181	20	deposition	deposition	NN
12787	2181	21	of	of	IN
12787	2181	22	hydrogen	hydrogen	NN
12787	2181	23	from	from	IN
12787	2181	24	sulphuric	sulphuric	JJ
12787	2181	25	acid	acid	NN
12787	2181	26	solution	solution	NN
12787	2181	27	requires	require	VBZ
12787	2181	28	only	only	RB
12787	2181	29	+1.90	+1.90	NNP
12787	2181	30	volts	volt	NNS
12787	2181	31	,	,	,
12787	2181	32	the	the	DT
12787	2181	33	quantitative	quantitative	JJ
12787	2181	34	deposition	deposition	NN
12787	2181	35	of	of	IN
12787	2181	36	zinc	zinc	NN
12787	2181	37	by	by	IN
12787	2181	38	electrolysis	electrolysis	NN
12787	2181	39	from	from	IN
12787	2181	40	a	a	DT
12787	2181	41	sulphuric	sulphuric	JJ
12787	2181	42	acid	acid	NN
12787	2181	43	solution	solution	NN
12787	2181	44	of	of	IN
12787	2181	45	a	a	DT
12787	2181	46	zinc	zinc	NN
12787	2181	47	salt	salt	NN
12787	2181	48	is	be	VBZ
12787	2181	49	not	not	RB
12787	2181	50	practicable	practicable	JJ
12787	2181	51	.	.	.
12787	2182	1	On	on	IN
12787	2182	2	the	the	DT
12787	2182	3	other	other	JJ
12787	2182	4	hand	hand	NN
12787	2182	5	,	,	,
12787	2182	6	silver	silver	NN
12787	2182	7	,	,	,
12787	2182	8	if	if	IN
12787	2182	9	present	present	JJ
12787	2182	10	in	in	IN
12787	2182	11	a	a	DT
12787	2182	12	solution	solution	NN
12787	2182	13	of	of	IN
12787	2182	14	copper	copper	NN
12787	2182	15	sulphate	sulphate	NN
12787	2182	16	,	,	,
12787	2182	17	would	would	MD
12787	2182	18	deposit	deposit	VB
12787	2182	19	with	with	IN
12787	2182	20	the	the	DT
12787	2182	21	copper	copper	NN
12787	2182	22	.	.	.
12787	2183	1	The	the	DT
12787	2183	2	foregoing	foregoing	NN
12787	2183	3	examples	example	NNS
12787	2183	4	suffice	suffice	VBP
12787	2183	5	to	to	TO
12787	2183	6	illustrate	illustrate	VB
12787	2183	7	the	the	DT
12787	2183	8	application	application	NN
12787	2183	9	of	of	IN
12787	2183	10	the	the	DT
12787	2183	11	principle	principle	NN
12787	2183	12	of	of	IN
12787	2183	13	deposition	deposition	NN
12787	2183	14	potentials	potential	NNS
12787	2183	15	,	,	,
12787	2183	16	but	but	CC
12787	2183	17	it	-PRON-	PRP
12787	2183	18	must	must	MD
12787	2183	19	further	further	RB
12787	2183	20	be	be	VB
12787	2183	21	noted	note	VBN
12787	2183	22	that	that	IN
12787	2183	23	the	the	DT
12787	2183	24	values	value	NNS
12787	2183	25	stated	state	VBN
12787	2183	26	apply	apply	VBP
12787	2183	27	to	to	IN
12787	2183	28	normal	normal	JJ
12787	2183	29	solutions	solution	NNS
12787	2183	30	of	of	IN
12787	2183	31	the	the	DT
12787	2183	32	compounds	compound	NNS
12787	2183	33	in	in	IN
12787	2183	34	question	question	NN
12787	2183	35	,	,	,
12787	2183	36	that	that	RB
12787	2183	37	is	is	RB
12787	2183	38	,	,	,
12787	2183	39	to	to	IN
12787	2183	40	solutions	solution	NNS
12787	2183	41	of	of	IN
12787	2183	42	considerable	considerable	JJ
12787	2183	43	concentrations	concentration	NNS
12787	2183	44	.	.	.
12787	2184	1	As	as	IN
12787	2184	2	the	the	DT
12787	2184	3	concentration	concentration	NN
12787	2184	4	of	of	IN
12787	2184	5	the	the	DT
12787	2184	6	ions	ion	NNS
12787	2184	7	diminishes	diminishe	NNS
12787	2184	8	,	,	,
12787	2184	9	and	and	CC
12787	2184	10	hence	hence	RB
12787	2184	11	fewer	few	JJR
12787	2184	12	ions	ion	NNS
12787	2184	13	approach	approach	VBP
12787	2184	14	the	the	DT
12787	2184	15	electrodes	electrode	NNS
12787	2184	16	,	,	,
12787	2184	17	somewhat	somewhat	RB
12787	2184	18	higher	high	JJR
12787	2184	19	voltages	voltage	NNS
12787	2184	20	are	be	VBP
12787	2184	21	required	require	VBN
12787	2184	22	to	to	TO
12787	2184	23	attract	attract	VB
12787	2184	24	and	and	CC
12787	2184	25	discharge	discharge	VB
12787	2184	26	them	-PRON-	PRP
12787	2184	27	.	.	.
12787	2185	1	From	from	IN
12787	2185	2	this	this	DT
12787	2185	3	it	-PRON-	PRP
12787	2185	4	follows	follow	VBZ
12787	2185	5	that	that	IN
12787	2185	6	the	the	DT
12787	2185	7	concentrations	concentration	NNS
12787	2185	8	should	should	MD
12787	2185	9	be	be	VB
12787	2185	10	kept	keep	VBN
12787	2185	11	as	as	RB
12787	2185	12	high	high	JJ
12787	2185	13	as	as	IN
12787	2185	14	possible	possible	JJ
12787	2185	15	to	to	TO
12787	2185	16	effect	effect	VB
12787	2185	17	complete	complete	JJ
12787	2185	18	deposition	deposition	NN
12787	2185	19	in	in	IN
12787	2185	20	the	the	DT
12787	2185	21	least	least	JJS
12787	2185	22	practicable	practicable	JJ
12787	2185	23	time	time	NN
12787	2185	24	,	,	,
12787	2185	25	or	or	CC
12787	2185	26	else	else	RB
12787	2185	27	the	the	DT
12787	2185	28	potentials	potential	NNS
12787	2185	29	applied	apply	VBN
12787	2185	30	must	must	MD
12787	2185	31	be	be	VB
12787	2185	32	progressively	progressively	RB
12787	2185	33	increased	increase	VBN
12787	2185	34	as	as	IN
12787	2185	35	deposition	deposition	NN
12787	2185	36	proceeds	proceed	NNS
12787	2185	37	.	.	.
12787	2186	1	In	in	IN
12787	2186	2	practice	practice	NN
12787	2186	3	,	,	,
12787	2186	4	the	the	DT
12787	2186	5	desired	desire	VBN
12787	2186	6	result	result	NN
12787	2186	7	is	be	VBZ
12787	2186	8	obtained	obtain	VBN
12787	2186	9	by	by	IN
12787	2186	10	starting	start	VBG
12787	2186	11	with	with	IN
12787	2186	12	small	small	JJ
12787	2186	13	volumes	volume	NNS
12787	2186	14	of	of	IN
12787	2186	15	solution	solution	NN
12787	2186	16	,	,	,
12787	2186	17	using	use	VBG
12787	2186	18	as	as	RB
12787	2186	19	large	large	JJ
12787	2186	20	an	an	DT
12787	2186	21	electrode	electrode	NN
12787	2186	22	surface	surface	NN
12787	2186	23	as	as	IN
12787	2186	24	possible	possible	JJ
12787	2186	25	,	,	,
12787	2186	26	and	and	CC
12787	2186	27	by	by	IN
12787	2186	28	stirring	stir	VBG
12787	2186	29	the	the	DT
12787	2186	30	solution	solution	NN
12787	2186	31	to	to	TO
12787	2186	32	bring	bring	VB
12787	2186	33	the	the	DT
12787	2186	34	ions	ion	NNS
12787	2186	35	in	in	IN
12787	2186	36	contact	contact	NN
12787	2186	37	with	with	IN
12787	2186	38	the	the	DT
12787	2186	39	electrodes	electrode	NNS
12787	2186	40	.	.	.
12787	2187	1	This	this	DT
12787	2187	2	is	be	VBZ
12787	2187	3	,	,	,
12787	2187	4	in	in	IN
12787	2187	5	general	general	JJ
12787	2187	6	,	,	,
12787	2187	7	a	a	DT
12787	2187	8	more	more	RBR
12787	2187	9	convenient	convenient	JJ
12787	2187	10	procedure	procedure	NN
12787	2187	11	than	than	IN
12787	2187	12	that	that	DT
12787	2187	13	of	of	IN
12787	2187	14	increasing	increase	VBG
12787	2187	15	the	the	DT
12787	2187	16	potential	potential	NN
12787	2187	17	of	of	IN
12787	2187	18	the	the	DT
12787	2187	19	current	current	NN
12787	2187	20	during	during	IN
12787	2187	21	electrolysis	electrolysis	NN
12787	2187	22	,	,	,
12787	2187	23	although	although	IN
12787	2187	24	that	that	DT
12787	2187	25	method	method	NN
12787	2187	26	is	be	VBZ
12787	2187	27	also	also	RB
12787	2187	28	used	use	VBN
12787	2187	29	.	.	.
12787	2188	1	As	as	IN
12787	2188	2	already	already	RB
12787	2188	3	stated	state	VBN
12787	2188	4	,	,	,
12787	2188	5	those	those	DT
12787	2188	6	ions	ion	NNS
12787	2188	7	in	in	IN
12787	2188	8	a	a	DT
12787	2188	9	solution	solution	NN
12787	2188	10	of	of	IN
12787	2188	11	electrolytes	electrolyte	NNS
12787	2188	12	will	will	MD
12787	2188	13	first	first	RB
12787	2188	14	be	be	VB
12787	2188	15	discharged	discharge	VBN
12787	2188	16	which	which	WDT
12787	2188	17	have	have	VBP
12787	2188	18	the	the	DT
12787	2188	19	lowest	low	JJS
12787	2188	20	deposition	deposition	NN
12787	2188	21	potentials	potential	NNS
12787	2188	22	,	,	,
12787	2188	23	and	and	CC
12787	2188	24	so	so	RB
12787	2188	25	long	long	RB
12787	2188	26	as	as	IN
12787	2188	27	these	these	DT
12787	2188	28	ions	ion	NNS
12787	2188	29	are	be	VBP
12787	2188	30	present	present	JJ
12787	2188	31	around	around	IN
12787	2188	32	the	the	DT
12787	2188	33	electrode	electrode	NN
12787	2188	34	in	in	IN
12787	2188	35	considerable	considerable	JJ
12787	2188	36	concentration	concentration	NN
12787	2188	37	they	-PRON-	PRP
12787	2188	38	,	,	,
12787	2188	39	almost	almost	RB
12787	2188	40	alone	alone	RB
12787	2188	41	,	,	,
12787	2188	42	are	be	VBP
12787	2188	43	discharged	discharge	VBN
12787	2188	44	,	,	,
12787	2188	45	but	but	CC
12787	2188	46	,	,	,
12787	2188	47	as	as	IN
12787	2188	48	their	-PRON-	PRP$
12787	2188	49	concentration	concentration	NN
12787	2188	50	diminishes	diminishe	NNS
12787	2188	51	,	,	,
12787	2188	52	other	other	JJ
12787	2188	53	ions	ion	NNS
12787	2188	54	whose	whose	WP$
12787	2188	55	deposition	deposition	NN
12787	2188	56	potentials	potential	NNS
12787	2188	57	are	be	VBP
12787	2188	58	higher	high	JJR
12787	2188	59	but	but	CC
12787	2188	60	still	still	RB
12787	2188	61	within	within	IN
12787	2188	62	that	that	DT
12787	2188	63	of	of	IN
12787	2188	64	the	the	DT
12787	2188	65	current	current	JJ
12787	2188	66	applied	apply	VBN
12787	2188	67	,	,	,
12787	2188	68	will	will	MD
12787	2188	69	also	also	RB
12787	2188	70	begin	begin	VB
12787	2188	71	to	to	TO
12787	2188	72	separate	separate	VB
12787	2188	73	.	.	.
12787	2189	1	For	for	IN
12787	2189	2	example	example	NN
12787	2189	3	,	,	,
12787	2189	4	from	from	IN
12787	2189	5	a	a	DT
12787	2189	6	nitric	nitric	JJ
12787	2189	7	acid	acid	NN
12787	2189	8	solution	solution	NN
12787	2189	9	of	of	IN
12787	2189	10	copper	copper	NN
12787	2189	11	nitrate	nitrate	NN
12787	2189	12	,	,	,
12787	2189	13	the	the	DT
12787	2189	14	copper	copper	NN
12787	2189	15	ions	ion	NNS
12787	2189	16	will	will	MD
12787	2189	17	first	first	RB
12787	2189	18	be	be	VB
12787	2189	19	discharged	discharge	VBN
12787	2189	20	at	at	IN
12787	2189	21	the	the	DT
12787	2189	22	cathode	cathode	NN
12787	2189	23	,	,	,
12787	2189	24	but	but	CC
12787	2189	25	as	as	IN
12787	2189	26	they	-PRON-	PRP
12787	2189	27	diminish	diminish	VBP
12787	2189	28	in	in	IN
12787	2189	29	concentration	concentration	NN
12787	2189	30	hydrogen	hydrogen	NN
12787	2189	31	ions	ion	NNS
12787	2189	32	from	from	IN
12787	2189	33	the	the	DT
12787	2189	34	acid	acid	NN
12787	2189	35	(	(	-LRB-
12787	2189	36	or	or	CC
12787	2189	37	water	water	NN
12787	2189	38	)	)	-RRB-
12787	2189	39	will	will	MD
12787	2189	40	be	be	VB
12787	2189	41	also	also	RB
12787	2189	42	discharged	discharge	VBN
12787	2189	43	.	.	.
12787	2190	1	Since	since	IN
12787	2190	2	the	the	DT
12787	2190	3	hydrogen	hydrogen	NN
12787	2190	4	thus	thus	RB
12787	2190	5	liberated	liberate	VBN
12787	2190	6	is	be	VBZ
12787	2190	7	a	a	DT
12787	2190	8	reducing	reduce	VBG
12787	2190	9	agent	agent	NN
12787	2190	10	,	,	,
12787	2190	11	the	the	DT
12787	2190	12	nitric	nitric	JJ
12787	2190	13	acid	acid	NN
12787	2190	14	in	in	IN
12787	2190	15	the	the	DT
12787	2190	16	solution	solution	NN
12787	2190	17	is	be	VBZ
12787	2190	18	slowly	slowly	RB
12787	2190	19	reduced	reduce	VBN
12787	2190	20	to	to	IN
12787	2190	21	ammonia	ammonia	NNP
12787	2190	22	,	,	,
12787	2190	23	and	and	CC
12787	2190	24	it	-PRON-	PRP
12787	2190	25	may	may	MD
12787	2190	26	happen	happen	VB
12787	2190	27	that	that	IN
12787	2190	28	if	if	IN
12787	2190	29	the	the	DT
12787	2190	30	current	current	NN
12787	2190	31	is	be	VBZ
12787	2190	32	passed	pass	VBN
12787	2190	33	through	through	RP
12787	2190	34	for	for	IN
12787	2190	35	a	a	DT
12787	2190	36	long	long	JJ
12787	2190	37	time	time	NN
12787	2190	38	,	,	,
12787	2190	39	such	such	PDT
12787	2190	40	a	a	DT
12787	2190	41	solution	solution	NN
12787	2190	42	will	will	MD
12787	2190	43	become	become	VB
12787	2190	44	alkaline	alkaline	NN
12787	2190	45	.	.	.
12787	2191	1	Oxygen	oxygen	NN
12787	2191	2	is	be	VBZ
12787	2191	3	liberated	liberate	VBN
12787	2191	4	at	at	IN
12787	2191	5	the	the	DT
12787	2191	6	anode	anode	NN
12787	2191	7	,	,	,
12787	2191	8	but	but	CC
12787	2191	9	,	,	,
12787	2191	10	since	since	IN
12787	2191	11	there	there	EX
12787	2191	12	is	be	VBZ
12787	2191	13	no	no	DT
12787	2191	14	oxidizable	oxidizable	JJ
12787	2191	15	substance	substance	NN
12787	2191	16	present	present	JJ
12787	2191	17	around	around	IN
12787	2191	18	that	that	DT
12787	2191	19	electrode	electrode	NN
12787	2191	20	,	,	,
12787	2191	21	it	-PRON-	PRP
12787	2191	22	escapes	escape	VBZ
12787	2191	23	as	as	IN
12787	2191	24	oxygen	oxygen	NN
12787	2191	25	gas	gas	NN
12787	2191	26	.	.	.
12787	2192	1	It	-PRON-	PRP
12787	2192	2	should	should	MD
12787	2192	3	be	be	VB
12787	2192	4	noted	note	VBN
12787	2192	5	that	that	IN
12787	2192	6	,	,	,
12787	2192	7	in	in	IN
12787	2192	8	general	general	JJ
12787	2192	9	,	,	,
12787	2192	10	the	the	DT
12787	2192	11	changes	change	NNS
12787	2192	12	occurring	occur	VBG
12787	2192	13	at	at	IN
12787	2192	14	the	the	DT
12787	2192	15	cathode	cathode	NN
12787	2192	16	are	be	VBP
12787	2192	17	reductions	reduction	NNS
12787	2192	18	,	,	,
12787	2192	19	while	while	IN
12787	2192	20	those	those	DT
12787	2192	21	at	at	IN
12787	2192	22	the	the	DT
12787	2192	23	anode	anode	NN
12787	2192	24	are	be	VBP
12787	2192	25	oxidations	oxidation	NNS
12787	2192	26	.	.	.
12787	2193	1	For	for	IN
12787	2193	2	analytical	analytical	JJ
12787	2193	3	purposes	purpose	NNS
12787	2193	4	,	,	,
12787	2193	5	solutions	solution	NNS
12787	2193	6	of	of	IN
12787	2193	7	nitrates	nitrate	NNS
12787	2193	8	or	or	CC
12787	2193	9	sulphates	sulphate	NNS
12787	2193	10	of	of	IN
12787	2193	11	the	the	DT
12787	2193	12	metals	metal	NNS
12787	2193	13	are	be	VBP
12787	2193	14	preferable	preferable	JJ
12787	2193	15	to	to	IN
12787	2193	16	those	those	DT
12787	2193	17	of	of	IN
12787	2193	18	the	the	DT
12787	2193	19	chlorides	chloride	NNS
12787	2193	20	,	,	,
12787	2193	21	since	since	IN
12787	2193	22	liberated	liberated	JJ
12787	2193	23	chlorine	chlorine	NN
12787	2193	24	attacks	attack	NNS
12787	2193	25	the	the	DT
12787	2193	26	electrodes	electrode	NNS
12787	2193	27	.	.	.
12787	2194	1	In	in	IN
12787	2194	2	some	some	DT
12787	2194	3	cases	case	NNS
12787	2194	4	,	,	,
12787	2194	5	as	as	IN
12787	2194	6	for	for	IN
12787	2194	7	example	example	NN
12787	2194	8	,	,	,
12787	2194	9	that	that	DT
12787	2194	10	of	of	IN
12787	2194	11	silver	silver	NN
12787	2194	12	,	,	,
12787	2194	13	solution	solution	NN
12787	2194	14	of	of	IN
12787	2194	15	salts	salt	NNS
12787	2194	16	forming	form	VBG
12787	2194	17	complex	complex	JJ
12787	2194	18	ions	ion	NNS
12787	2194	19	,	,	,
12787	2194	20	like	like	IN
12787	2194	21	that	that	DT
12787	2194	22	of	of	IN
12787	2194	23	the	the	DT
12787	2194	24	double	double	JJ
12787	2194	25	cyanide	cyanide	NN
12787	2194	26	of	of	IN
12787	2194	27	silver	silver	NN
12787	2194	28	and	and	CC
12787	2194	29	potassium	potassium	NN
12787	2194	30	,	,	,
12787	2194	31	yield	yield	VB
12787	2194	32	better	well	JJR
12787	2194	33	metallic	metallic	JJ
12787	2194	34	deposits	deposit	NNS
12787	2194	35	.	.	.
12787	2195	1	Most	Most	JJS
12787	2195	2	metals	metal	NNS
12787	2195	3	are	be	VBP
12787	2195	4	deposited	deposit	VBN
12787	2195	5	as	as	IN
12787	2195	6	such	such	JJ
12787	2195	7	upon	upon	IN
12787	2195	8	the	the	DT
12787	2195	9	cathode	cathode	NN
12787	2195	10	;	;	:
12787	2195	11	a	a	DT
12787	2195	12	few	few	JJ
12787	2195	13	,	,	,
12787	2195	14	notably	notably	RB
12787	2195	15	lead	lead	NN
12787	2195	16	and	and	CC
12787	2195	17	manganese	manganese	JJ
12787	2195	18	,	,	,
12787	2195	19	separate	separate	JJ
12787	2195	20	in	in	IN
12787	2195	21	the	the	DT
12787	2195	22	form	form	NN
12787	2195	23	of	of	IN
12787	2195	24	dioxides	dioxide	NNS
12787	2195	25	upon	upon	IN
12787	2195	26	the	the	DT
12787	2195	27	anode	anode	NN
12787	2195	28	.	.	.
12787	2196	1	It	-PRON-	PRP
12787	2196	2	is	be	VBZ
12787	2196	3	evidently	evidently	RB
12787	2196	4	important	important	JJ
12787	2196	5	that	that	IN
12787	2196	6	the	the	DT
12787	2196	7	deposited	deposit	VBN
12787	2196	8	material	material	NN
12787	2196	9	should	should	MD
12787	2196	10	be	be	VB
12787	2196	11	so	so	RB
12787	2196	12	firmly	firmly	RB
12787	2196	13	adherent	adherent	JJ
12787	2196	14	that	that	IN
12787	2196	15	it	-PRON-	PRP
12787	2196	16	can	can	MD
12787	2196	17	be	be	VB
12787	2196	18	washed	wash	VBN
12787	2196	19	,	,	,
12787	2196	20	dried	dry	VBN
12787	2196	21	,	,	,
12787	2196	22	and	and	CC
12787	2196	23	weighed	weigh	VBD
12787	2196	24	without	without	IN
12787	2196	25	loss	loss	NN
12787	2196	26	in	in	IN
12787	2196	27	handling	handling	NN
12787	2196	28	.	.	.
12787	2197	1	To	to	TO
12787	2197	2	secure	secure	VB
12787	2197	3	these	these	DT
12787	2197	4	conditions	condition	NNS
12787	2197	5	it	-PRON-	PRP
12787	2197	6	is	be	VBZ
12787	2197	7	essential	essential	JJ
12787	2197	8	that	that	IN
12787	2197	9	the	the	DT
12787	2197	10	current	current	JJ
12787	2197	11	density	density	NN
12787	2197	12	(	(	-LRB-
12787	2197	13	that	that	RB
12787	2197	14	is	is	RB
12787	2197	15	,	,	,
12787	2197	16	the	the	DT
12787	2197	17	amount	amount	NN
12787	2197	18	of	of	IN
12787	2197	19	current	current	JJ
12787	2197	20	per	per	IN
12787	2197	21	unit	unit	NN
12787	2197	22	of	of	IN
12787	2197	23	area	area	NN
12787	2197	24	of	of	IN
12787	2197	25	the	the	DT
12787	2197	26	electrodes	electrode	NNS
12787	2197	27	)	)	-RRB-
12787	2197	28	shall	shall	MD
12787	2197	29	not	not	RB
12787	2197	30	be	be	VB
12787	2197	31	too	too	RB
12787	2197	32	high	high	JJ
12787	2197	33	.	.	.
12787	2198	1	In	in	IN
12787	2198	2	prescribing	prescribe	VBG
12787	2198	3	analytical	analytical	JJ
12787	2198	4	conditions	condition	NNS
12787	2198	5	it	-PRON-	PRP
12787	2198	6	is	be	VBZ
12787	2198	7	customary	customary	JJ
12787	2198	8	to	to	TO
12787	2198	9	state	state	VB
12787	2198	10	the	the	DT
12787	2198	11	current	current	JJ
12787	2198	12	strength	strength	NN
12787	2198	13	in	in	IN
12787	2198	14	"	"	``
12787	2198	15	normal	normal	JJ
12787	2198	16	densities	density	NNS
12787	2198	17	"	"	''
12787	2198	18	expressed	express	VBN
12787	2198	19	in	in	IN
12787	2198	20	amperes	ampere	NNS
12787	2198	21	per	per	IN
12787	2198	22	100	100	CD
12787	2198	23	sq	sq	NN
12787	2198	24	.	.	.
12787	2199	1	cm	cm	NNP
12787	2199	2	.	.	.
12787	2200	1	of	of	IN
12787	2200	2	electrode	electrode	NNP
12787	2200	3	surface	surface	NN
12787	2200	4	,	,	,
12787	2200	5	as	as	IN
12787	2200	6	,	,	,
12787	2200	7	for	for	IN
12787	2200	8	example	example	NN
12787	2200	9	,	,	,
12787	2200	10	"	"	''
12787	2200	11	N.D_{100	N.D_{100	NNP
12787	2200	12	}	}	-RRB-
12787	2200	13	=	=	SYM
12787	2200	14	2	2	CD
12787	2200	15	amps	amp	NNS
12787	2200	16	.	.	.
12787	2200	17	"	"	''
12787	2201	1	If	if	IN
12787	2201	2	deposition	deposition	NN
12787	2201	3	occurs	occur	VBZ
12787	2201	4	too	too	RB
12787	2201	5	rapidly	rapidly	RB
12787	2201	6	,	,	,
12787	2201	7	the	the	DT
12787	2201	8	deposit	deposit	NN
12787	2201	9	is	be	VBZ
12787	2201	10	likely	likely	JJ
12787	2201	11	to	to	TO
12787	2201	12	be	be	VB
12787	2201	13	spongy	spongy	JJ
12787	2201	14	or	or	CC
12787	2201	15	loosely	loosely	RB
12787	2201	16	adherent	adherent	JJ
12787	2201	17	and	and	CC
12787	2201	18	falls	fall	VBZ
12787	2201	19	off	off	RP
12787	2201	20	on	on	IN
12787	2201	21	subsequent	subsequent	JJ
12787	2201	22	treatment	treatment	NN
12787	2201	23	.	.	.
12787	2202	1	This	this	DT
12787	2202	2	places	place	VBZ
12787	2202	3	a	a	DT
12787	2202	4	practical	practical	JJ
12787	2202	5	limit	limit	NN
12787	2202	6	to	to	IN
12787	2202	7	the	the	DT
12787	2202	8	current	current	JJ
12787	2202	9	density	density	NN
12787	2202	10	to	to	TO
12787	2202	11	be	be	VB
12787	2202	12	employed	employ	VBN
12787	2202	13	,	,	,
12787	2202	14	for	for	IN
12787	2202	15	a	a	DT
12787	2202	16	given	give	VBN
12787	2202	17	electrode	electrode	NN
12787	2202	18	surface	surface	NN
12787	2202	19	.	.	.
12787	2203	1	The	the	DT
12787	2203	2	cause	cause	NN
12787	2203	3	of	of	IN
12787	2203	4	the	the	DT
12787	2203	5	unsatisfactory	unsatisfactory	JJ
12787	2203	6	character	character	NN
12787	2203	7	of	of	IN
12787	2203	8	the	the	DT
12787	2203	9	deposit	deposit	NN
12787	2203	10	is	be	VBZ
12787	2203	11	apparently	apparently	RB
12787	2203	12	sometimes	sometimes	RB
12787	2203	13	to	to	TO
12787	2203	14	be	be	VB
12787	2203	15	found	find	VBN
12787	2203	16	in	in	IN
12787	2203	17	the	the	DT
12787	2203	18	coincident	coincident	JJ
12787	2203	19	liberation	liberation	NN
12787	2203	20	of	of	IN
12787	2203	21	considerable	considerable	JJ
12787	2203	22	hydrogen	hydrogen	NN
12787	2203	23	and	and	CC
12787	2203	24	sometimes	sometimes	RB
12787	2203	25	in	in	IN
12787	2203	26	the	the	DT
12787	2203	27	failure	failure	NN
12787	2203	28	of	of	IN
12787	2203	29	the	the	DT
12787	2203	30	rapidly	rapidly	RB
12787	2203	31	deposited	deposit	VBN
12787	2203	32	material	material	NN
12787	2203	33	to	to	TO
12787	2203	34	form	form	VB
12787	2203	35	a	a	DT
12787	2203	36	continuous	continuous	JJ
12787	2203	37	adherent	adherent	JJ
12787	2203	38	surface	surface	NN
12787	2203	39	.	.	.
12787	2204	1	The	the	DT
12787	2204	2	effect	effect	NN
12787	2204	3	of	of	IN
12787	2204	4	rotating	rotate	VBG
12787	2204	5	electrodes	electrode	NNS
12787	2204	6	upon	upon	IN
12787	2204	7	the	the	DT
12787	2204	8	character	character	NN
12787	2204	9	of	of	IN
12787	2204	10	the	the	DT
12787	2204	11	deposit	deposit	NN
12787	2204	12	is	be	VBZ
12787	2204	13	referred	refer	VBN
12787	2204	14	to	to	IN
12787	2204	15	below	below	RB
12787	2204	16	.	.	.
12787	2205	1	The	the	DT
12787	2205	2	negative	negative	JJ
12787	2205	3	ions	ion	NNS
12787	2205	4	of	of	IN
12787	2205	5	an	an	DT
12787	2205	6	electrolyte	electrolyte	NN
12787	2205	7	are	be	VBP
12787	2205	8	attracted	attract	VBN
12787	2205	9	to	to	IN
12787	2205	10	the	the	DT
12787	2205	11	anode	anode	NN
12787	2205	12	and	and	CC
12787	2205	13	are	be	VBP
12787	2205	14	discharged	discharge	VBN
12787	2205	15	on	on	IN
12787	2205	16	contact	contact	NN
12787	2205	17	with	with	IN
12787	2205	18	it	-PRON-	PRP
12787	2205	19	.	.	.
12787	2206	1	Anions	anion	NNS
12787	2206	2	such	such	JJ
12787	2206	3	as	as	IN
12787	2206	4	the	the	DT
12787	2206	5	chloride	chloride	NN
12787	2206	6	ion	ion	NN
12787	2206	7	yield	yield	NN
12787	2206	8	chlorine	chlorine	NN
12787	2206	9	atoms	atom	NNS
12787	2206	10	,	,	,
12787	2206	11	from	from	IN
12787	2206	12	which	which	WDT
12787	2206	13	gaseous	gaseous	JJ
12787	2206	14	chlorine	chlorine	NN
12787	2206	15	molecules	molecule	NNS
12787	2206	16	are	be	VBP
12787	2206	17	formed	form	VBN
12787	2206	18	and	and	CC
12787	2206	19	escape	escape	NN
12787	2206	20	.	.	.
12787	2207	1	The	the	DT
12787	2207	2	radicals	radical	NNS
12787	2207	3	which	which	WDT
12787	2207	4	compose	compose	VBP
12787	2207	5	such	such	JJ
12787	2207	6	ions	ion	NNS
12787	2207	7	as	as	IN
12787	2207	8	NO_{3}^{-	NO_{3}^{-	NNP
12787	2207	9	}	}	-RRB-
12787	2207	10	or	or	CC
12787	2207	11	SO_{4}^{--	so_{4}^{--	NN
12787	2207	12	}	}	-RRB-
12787	2207	13	are	be	VBP
12787	2207	14	not	not	RB
12787	2207	15	capable	capable	JJ
12787	2207	16	of	of	IN
12787	2207	17	independent	independent	JJ
12787	2207	18	existence	existence	NN
12787	2207	19	after	after	IN
12787	2207	20	discharge	discharge	NN
12787	2207	21	,	,	,
12787	2207	22	and	and	CC
12787	2207	23	break	break	VB
12787	2207	24	down	down	RP
12787	2207	25	into	into	IN
12787	2207	26	oxygen	oxygen	NN
12787	2207	27	and	and	CC
12787	2207	28	N_{2}O_{5	N_{2}O_{5	NNP
12787	2207	29	}	}	-RRB-
12787	2207	30	and	and	CC
12787	2207	31	SO_{3	SO_{3	NNP
12787	2207	32	}	}	-RRB-
12787	2207	33	respectively	respectively	RB
12787	2207	34	.	.	.
12787	2208	1	The	the	DT
12787	2208	2	oxygen	oxygen	NN
12787	2208	3	escapes	escape	NNS
12787	2208	4	and	and	CC
12787	2208	5	the	the	DT
12787	2208	6	anhydrides	anhydride	NNS
12787	2208	7	,	,	,
12787	2208	8	reacting	react	VBG
12787	2208	9	with	with	IN
12787	2208	10	water	water	NN
12787	2208	11	,	,	,
12787	2208	12	re	re	NN
12787	2208	13	-	-	NN
12787	2208	14	form	form	NN
12787	2208	15	nitric	nitric	NN
12787	2208	16	and	and	CC
12787	2208	17	sulphuric	sulphuric	JJ
12787	2208	18	acids	acid	NNS
12787	2208	19	.	.	.
12787	2209	1	The	the	DT
12787	2209	2	law	law	NN
12787	2209	3	of	of	IN
12787	2209	4	Faraday	Faraday	NNP
12787	2209	5	expresses	express	VBZ
12787	2209	6	the	the	DT
12787	2209	7	relation	relation	NN
12787	2209	8	between	between	IN
12787	2209	9	current	current	JJ
12787	2209	10	strength	strength	NN
12787	2209	11	and	and	CC
12787	2209	12	the	the	DT
12787	2209	13	quantities	quantity	NNS
12787	2209	14	of	of	IN
12787	2209	15	the	the	DT
12787	2209	16	decomposition	decomposition	NN
12787	2209	17	products	product	NNS
12787	2209	18	which	which	WDT
12787	2209	19	,	,	,
12787	2209	20	under	under	IN
12787	2209	21	constant	constant	JJ
12787	2209	22	conditions	condition	NNS
12787	2209	23	,	,	,
12787	2209	24	appear	appear	VBP
12787	2209	25	at	at	IN
12787	2209	26	the	the	DT
12787	2209	27	electrodes	electrode	NNS
12787	2209	28	,	,	,
12787	2209	29	namely	namely	RB
12787	2209	30	,	,	,
12787	2209	31	that	that	IN
12787	2209	32	a	a	DT
12787	2209	33	given	give	VBN
12787	2209	34	quantity	quantity	NN
12787	2209	35	of	of	IN
12787	2209	36	electricity	electricity	NN
12787	2209	37	,	,	,
12787	2209	38	acting	act	VBG
12787	2209	39	for	for	IN
12787	2209	40	a	a	DT
12787	2209	41	given	give	VBN
12787	2209	42	time	time	NN
12787	2209	43	,	,	,
12787	2209	44	causes	cause	VBZ
12787	2209	45	the	the	DT
12787	2209	46	separation	separation	NN
12787	2209	47	of	of	IN
12787	2209	48	chemically	chemically	RB
12787	2209	49	equivalent	equivalent	JJ
12787	2209	50	quantities	quantity	NNS
12787	2209	51	of	of	IN
12787	2209	52	the	the	DT
12787	2209	53	various	various	JJ
12787	2209	54	elements	element	NNS
12787	2209	55	or	or	CC
12787	2209	56	radicals	radical	NNS
12787	2209	57	.	.	.
12787	2210	1	For	for	IN
12787	2210	2	example	example	NN
12787	2210	3	,	,	,
12787	2210	4	since	since	IN
12787	2210	5	107.94	107.94	CD
12787	2210	6	grams	gram	NNS
12787	2210	7	of	of	IN
12787	2210	8	silver	silver	NN
12787	2210	9	is	be	VBZ
12787	2210	10	equivalent	equivalent	JJ
12787	2210	11	to	to	IN
12787	2210	12	1.008	1.008	CD
12787	2210	13	grams	gram	NNS
12787	2210	14	of	of	IN
12787	2210	15	hydrogen	hydrogen	NN
12787	2210	16	,	,	,
12787	2210	17	and	and	CC
12787	2210	18	that	that	IN
12787	2210	19	in	in	IN
12787	2210	20	turn	turn	NN
12787	2210	21	to	to	IN
12787	2210	22	8	8	CD
12787	2210	23	grams	gram	NNS
12787	2210	24	of	of	IN
12787	2210	25	oxygen	oxygen	NN
12787	2210	26	,	,	,
12787	2210	27	or	or	CC
12787	2210	28	31.78	31.78	CD
12787	2210	29	grams	gram	NNS
12787	2210	30	of	of	IN
12787	2210	31	copper	copper	NN
12787	2210	32	,	,	,
12787	2210	33	the	the	DT
12787	2210	34	quantity	quantity	NN
12787	2210	35	of	of	IN
12787	2210	36	electricity	electricity	NN
12787	2210	37	which	which	WDT
12787	2210	38	will	will	MD
12787	2210	39	cause	cause	VB
12787	2210	40	the	the	DT
12787	2210	41	deposit	deposit	NN
12787	2210	42	of	of	IN
12787	2210	43	107.94	107.94	CD
12787	2210	44	grams	gram	NNS
12787	2210	45	of	of	IN
12787	2210	46	silver	silver	NN
12787	2210	47	in	in	IN
12787	2210	48	a	a	DT
12787	2210	49	given	give	VBN
12787	2210	50	time	time	NN
12787	2210	51	will	will	MD
12787	2210	52	also	also	RB
12787	2210	53	separate	separate	VB
12787	2210	54	the	the	DT
12787	2210	55	weights	weight	NNS
12787	2210	56	just	just	RB
12787	2210	57	indicated	indicate	VBN
12787	2210	58	of	of	IN
12787	2210	59	the	the	DT
12787	2210	60	other	other	JJ
12787	2210	61	substances	substance	NNS
12787	2210	62	.	.	.
12787	2211	1	Experiments	experiment	NNS
12787	2211	2	show	show	VBP
12787	2211	3	that	that	IN
12787	2211	4	a	a	DT
12787	2211	5	current	current	NN
12787	2211	6	of	of	IN
12787	2211	7	one	one	CD
12787	2211	8	ampere	ampere	RB
12787	2211	9	passing	pass	VBG
12787	2211	10	for	for	IN
12787	2211	11	one	one	CD
12787	2211	12	second	second	NN
12787	2211	13	,	,	,
12787	2211	14	i.e.	i.e.	FW
12787	2211	15	,	,	,
12787	2211	16	a	a	DT
12787	2211	17	coulomb	coulomb	NN
12787	2211	18	of	of	IN
12787	2211	19	electricity	electricity	NN
12787	2211	20	,	,	,
12787	2211	21	causes	cause	VBZ
12787	2211	22	the	the	DT
12787	2211	23	deposition	deposition	NN
12787	2211	24	of	of	IN
12787	2211	25	0.001118	0.001118	CD
12787	2211	26	gram	gram	NN
12787	2211	27	of	of	IN
12787	2211	28	silver	silver	NN
12787	2211	29	from	from	IN
12787	2211	30	a	a	DT
12787	2211	31	normal	normal	JJ
12787	2211	32	solution	solution	NN
12787	2211	33	of	of	IN
12787	2211	34	a	a	DT
12787	2211	35	silver	silver	JJ
12787	2211	36	salt	salt	NN
12787	2211	37	.	.	.
12787	2212	1	The	the	DT
12787	2212	2	number	number	NN
12787	2212	3	of	of	IN
12787	2212	4	coulombs	coulomb	NNS
12787	2212	5	required	require	VBN
12787	2212	6	to	to	TO
12787	2212	7	deposit	deposit	VB
12787	2212	8	107.94	107.94	CD
12787	2212	9	grams	gram	NNS
12787	2212	10	is	be	VBZ
12787	2212	11	107.94/0.001118	107.94/0.001118	CD
12787	2212	12	or	or	CC
12787	2212	13	96,550	96,550	CD
12787	2212	14	and	and	CC
12787	2212	15	the	the	DT
12787	2212	16	same	same	JJ
12787	2212	17	number	number	NN
12787	2212	18	of	of	IN
12787	2212	19	coulombs	coulomb	NNS
12787	2212	20	will	will	MD
12787	2212	21	also	also	RB
12787	2212	22	cause	cause	VB
12787	2212	23	the	the	DT
12787	2212	24	separation	separation	NN
12787	2212	25	of	of	IN
12787	2212	26	1.008	1.008	CD
12787	2212	27	grams	gram	NNS
12787	2212	28	of	of	IN
12787	2212	29	hydrogen	hydrogen	NNP
12787	2212	30	,	,	,
12787	2212	31	8	8	CD
12787	2212	32	grams	gram	NNS
12787	2212	33	of	of	IN
12787	2212	34	oxygen	oxygen	NN
12787	2212	35	or	or	CC
12787	2212	36	31.78	31.78	CD
12787	2212	37	grams	gram	NNS
12787	2212	38	of	of	IN
12787	2212	39	copper	copper	NN
12787	2212	40	.	.	.
12787	2213	1	While	while	IN
12787	2213	2	it	-PRON-	PRP
12787	2213	3	might	may	MD
12787	2213	4	at	at	IN
12787	2213	5	first	first	RB
12787	2213	6	appear	appear	VB
12787	2213	7	that	that	IN
12787	2213	8	Faraday	Faraday	NNP
12787	2213	9	's	's	POS
12787	2213	10	law	law	NN
12787	2213	11	could	could	MD
12787	2213	12	thus	thus	RB
12787	2213	13	be	be	VB
12787	2213	14	used	use	VBN
12787	2213	15	as	as	IN
12787	2213	16	a	a	DT
12787	2213	17	basis	basis	NN
12787	2213	18	for	for	IN
12787	2213	19	the	the	DT
12787	2213	20	calculation	calculation	NN
12787	2213	21	of	of	IN
12787	2213	22	the	the	DT
12787	2213	23	time	time	NN
12787	2213	24	required	require	VBN
12787	2213	25	for	for	IN
12787	2213	26	the	the	DT
12787	2213	27	deposition	deposition	NN
12787	2213	28	of	of	IN
12787	2213	29	a	a	DT
12787	2213	30	given	give	VBN
12787	2213	31	quantity	quantity	NN
12787	2213	32	of	of	IN
12787	2213	33	an	an	DT
12787	2213	34	electrolyte	electrolyte	NN
12787	2213	35	from	from	IN
12787	2213	36	solution	solution	NN
12787	2213	37	,	,	,
12787	2213	38	it	-PRON-	PRP
12787	2213	39	must	must	MD
12787	2213	40	be	be	VB
12787	2213	41	remembered	remember	VBN
12787	2213	42	that	that	IN
12787	2213	43	the	the	DT
12787	2213	44	law	law	NN
12787	2213	45	expresses	express	VBZ
12787	2213	46	what	what	WP
12787	2213	47	occurs	occur	VBZ
12787	2213	48	when	when	WRB
12787	2213	49	the	the	DT
12787	2213	50	concentration	concentration	NN
12787	2213	51	of	of	IN
12787	2213	52	the	the	DT
12787	2213	53	ions	ion	NNS
12787	2213	54	in	in	IN
12787	2213	55	the	the	DT
12787	2213	56	solution	solution	NN
12787	2213	57	is	be	VBZ
12787	2213	58	kept	keep	VBN
12787	2213	59	constant	constant	JJ
12787	2213	60	,	,	,
12787	2213	61	as	as	IN
12787	2213	62	,	,	,
12787	2213	63	for	for	IN
12787	2213	64	example	example	NN
12787	2213	65	,	,	,
12787	2213	66	when	when	WRB
12787	2213	67	the	the	DT
12787	2213	68	anode	anode	NN
12787	2213	69	in	in	IN
12787	2213	70	a	a	DT
12787	2213	71	silver	silver	JJ
12787	2213	72	salt	salt	NN
12787	2213	73	solution	solution	NN
12787	2213	74	is	be	VBZ
12787	2213	75	a	a	DT
12787	2213	76	plate	plate	NN
12787	2213	77	of	of	IN
12787	2213	78	metallic	metallic	JJ
12787	2213	79	silver	silver	NN
12787	2213	80	.	.	.
12787	2214	1	Under	under	IN
12787	2214	2	the	the	DT
12787	2214	3	conditions	condition	NNS
12787	2214	4	of	of	IN
12787	2214	5	electro	electro	NNP
12787	2214	6	-	-	HYPH
12787	2214	7	analysis	analysis	NN
12787	2214	8	the	the	DT
12787	2214	9	concentration	concentration	NN
12787	2214	10	of	of	IN
12787	2214	11	the	the	DT
12787	2214	12	ions	ion	NNS
12787	2214	13	is	be	VBZ
12787	2214	14	constantly	constantly	RB
12787	2214	15	diminishing	diminish	VBG
12787	2214	16	as	as	IN
12787	2214	17	deposition	deposition	NN
12787	2214	18	proceeds	proceed	NNS
12787	2214	19	and	and	CC
12787	2214	20	the	the	DT
12787	2214	21	time	time	NN
12787	2214	22	actually	actually	RB
12787	2214	23	required	require	VBN
12787	2214	24	for	for	IN
12787	2214	25	complete	complete	JJ
12787	2214	26	deposition	deposition	NN
12787	2214	27	of	of	IN
12787	2214	28	a	a	DT
12787	2214	29	given	give	VBN
12787	2214	30	weight	weight	NN
12787	2214	31	of	of	IN
12787	2214	32	material	material	NN
12787	2214	33	by	by	IN
12787	2214	34	a	a	DT
12787	2214	35	current	current	NN
12787	2214	36	of	of	IN
12787	2214	37	constant	constant	JJ
12787	2214	38	strength	strength	NN
12787	2214	39	is	be	VBZ
12787	2214	40	,	,	,
12787	2214	41	therefore	therefore	RB
12787	2214	42	,	,	,
12787	2214	43	greater	great	JJR
12787	2214	44	than	than	IN
12787	2214	45	that	that	DT
12787	2214	46	calculated	calculate	VBN
12787	2214	47	on	on	IN
12787	2214	48	the	the	DT
12787	2214	49	basis	basis	NN
12787	2214	50	of	of	IN
12787	2214	51	the	the	DT
12787	2214	52	law	law	NN
12787	2214	53	as	as	IN
12787	2214	54	stated	state	VBN
12787	2214	55	above	above	RB
12787	2214	56	.	.	.
12787	2215	1	The	the	DT
12787	2215	2	electrodes	electrode	NNS
12787	2215	3	employed	employ	VBN
12787	2215	4	in	in	IN
12787	2215	5	electro	electro	NNP
12787	2215	6	-	-	HYPH
12787	2215	7	analysis	analysis	NN
12787	2215	8	are	be	VBP
12787	2215	9	almost	almost	RB
12787	2215	10	exclusively	exclusively	RB
12787	2215	11	of	of	IN
12787	2215	12	platinum	platinum	NN
12787	2215	13	,	,	,
12787	2215	14	since	since	IN
12787	2215	15	that	that	DT
12787	2215	16	metal	metal	NN
12787	2215	17	alone	alone	RB
12787	2215	18	satisfactorily	satisfactorily	JJ
12787	2215	19	resists	resist	VBZ
12787	2215	20	chemical	chemical	NN
12787	2215	21	action	action	NN
12787	2215	22	of	of	IN
12787	2215	23	the	the	DT
12787	2215	24	electrolytes	electrolyte	NNS
12787	2215	25	,	,	,
12787	2215	26	and	and	CC
12787	2215	27	can	can	MD
12787	2215	28	be	be	VB
12787	2215	29	dried	dry	VBN
12787	2215	30	and	and	CC
12787	2215	31	weighed	weigh	VBN
12787	2215	32	without	without	IN
12787	2215	33	change	change	NN
12787	2215	34	in	in	IN
12787	2215	35	composition	composition	NN
12787	2215	36	.	.	.
12787	2216	1	The	the	DT
12787	2216	2	platinum	platinum	NN
12787	2216	3	electrodes	electrode	NNS
12787	2216	4	may	may	MD
12787	2216	5	be	be	VB
12787	2216	6	used	use	VBN
12787	2216	7	in	in	IN
12787	2216	8	the	the	DT
12787	2216	9	form	form	NN
12787	2216	10	of	of	IN
12787	2216	11	dishes	dish	NNS
12787	2216	12	,	,	,
12787	2216	13	foil	foil	NN
12787	2216	14	or	or	CC
12787	2216	15	gauze	gauze	NN
12787	2216	16	.	.	.
12787	2217	1	The	the	DT
12787	2217	2	last	last	JJ
12787	2217	3	,	,	,
12787	2217	4	on	on	IN
12787	2217	5	account	account	NN
12787	2217	6	of	of	IN
12787	2217	7	the	the	DT
12787	2217	8	ease	ease	NN
12787	2217	9	of	of	IN
12787	2217	10	circulation	circulation	NN
12787	2217	11	of	of	IN
12787	2217	12	the	the	DT
12787	2217	13	electrolyte	electrolyte	NNP
12787	2217	14	,	,	,
12787	2217	15	its	-PRON-	PRP$
12787	2217	16	relatively	relatively	RB
12787	2217	17	large	large	JJ
12787	2217	18	surface	surface	NN
12787	2217	19	in	in	IN
12787	2217	20	proportion	proportion	NN
12787	2217	21	to	to	IN
12787	2217	22	its	-PRON-	PRP$
12787	2217	23	weight	weight	NN
12787	2217	24	and	and	CC
12787	2217	25	the	the	DT
12787	2217	26	readiness	readiness	NN
12787	2217	27	with	with	IN
12787	2217	28	which	which	WDT
12787	2217	29	it	-PRON-	PRP
12787	2217	30	can	can	MD
12787	2217	31	be	be	VB
12787	2217	32	washed	wash	VBN
12787	2217	33	and	and	CC
12787	2217	34	dried	dry	VBN
12787	2217	35	,	,	,
12787	2217	36	is	be	VBZ
12787	2217	37	generally	generally	RB
12787	2217	38	preferred	prefer	VBN
12787	2217	39	.	.	.
12787	2218	1	Many	many	JJ
12787	2218	2	devices	device	NNS
12787	2218	3	have	have	VBP
12787	2218	4	been	be	VBN
12787	2218	5	described	describe	VBN
12787	2218	6	by	by	IN
12787	2218	7	the	the	DT
12787	2218	8	use	use	NN
12787	2218	9	of	of	IN
12787	2218	10	which	which	WDT
12787	2218	11	the	the	DT
12787	2218	12	electrode	electrode	NN
12787	2218	13	upon	upon	IN
12787	2218	14	which	which	WDT
12787	2218	15	deposition	deposition	NN
12787	2218	16	occurs	occur	VBZ
12787	2218	17	can	can	MD
12787	2218	18	be	be	VB
12787	2218	19	mechanically	mechanically	RB
12787	2218	20	rotated	rotate	VBN
12787	2218	21	.	.	.
12787	2219	1	This	this	DT
12787	2219	2	has	have	VBZ
12787	2219	3	an	an	DT
12787	2219	4	effect	effect	NN
12787	2219	5	parallel	parallel	NN
12787	2219	6	to	to	IN
12787	2219	7	that	that	DT
12787	2219	8	of	of	IN
12787	2219	9	greatly	greatly	RB
12787	2219	10	increasing	increase	VBG
12787	2219	11	the	the	DT
12787	2219	12	electrode	electrode	NN
12787	2219	13	surface	surface	NN
12787	2219	14	and	and	CC
12787	2219	15	also	also	RB
12787	2219	16	provides	provide	VBZ
12787	2219	17	a	a	DT
12787	2219	18	most	most	RBS
12787	2219	19	efficient	efficient	JJ
12787	2219	20	means	mean	NNS
12787	2219	21	of	of	IN
12787	2219	22	stirring	stir	VBG
12787	2219	23	the	the	DT
12787	2219	24	solution	solution	NN
12787	2219	25	.	.	.
12787	2220	1	With	with	IN
12787	2220	2	such	such	PDT
12787	2220	3	an	an	DT
12787	2220	4	apparatus	apparatus	NN
12787	2220	5	the	the	DT
12787	2220	6	amperage	amperage	NN
12787	2220	7	may	may	MD
12787	2220	8	be	be	VB
12787	2220	9	increased	increase	VBN
12787	2220	10	to	to	IN
12787	2220	11	5	5	CD
12787	2220	12	or	or	CC
12787	2220	13	even	even	RB
12787	2220	14	10	10	CD
12787	2220	15	amperes	ampere	NNS
12787	2220	16	and	and	CC
12787	2220	17	depositions	deposition	NNS
12787	2220	18	completed	complete	VBN
12787	2220	19	with	with	IN
12787	2220	20	great	great	JJ
12787	2220	21	rapidity	rapidity	NN
12787	2220	22	and	and	CC
12787	2220	23	accuracy	accuracy	NN
12787	2220	24	.	.	.
12787	2221	1	It	-PRON-	PRP
12787	2221	2	is	be	VBZ
12787	2221	3	desirable	desirable	JJ
12787	2221	4	,	,	,
12787	2221	5	whenever	whenever	WRB
12787	2221	6	practicable	practicable	JJ
12787	2221	7	,	,	,
12787	2221	8	to	to	TO
12787	2221	9	provide	provide	VB
12787	2221	10	a	a	DT
12787	2221	11	rotating	rotating	NN
12787	2221	12	or	or	CC
12787	2221	13	stirring	stir	VBG
12787	2221	14	device	device	NN
12787	2221	15	,	,	,
12787	2221	16	since	since	IN
12787	2221	17	,	,	,
12787	2221	18	for	for	IN
12787	2221	19	example	example	NN
12787	2221	20	,	,	,
12787	2221	21	the	the	DT
12787	2221	22	time	time	NN
12787	2221	23	consumed	consume	VBN
12787	2221	24	in	in	IN
12787	2221	25	the	the	DT
12787	2221	26	deposition	deposition	NN
12787	2221	27	of	of	IN
12787	2221	28	the	the	DT
12787	2221	29	amount	amount	NN
12787	2221	30	of	of	IN
12787	2221	31	copper	copper	NN
12787	2221	32	usually	usually	RB
12787	2221	33	found	find	VBN
12787	2221	34	in	in	IN
12787	2221	35	analysis	analysis	NN
12787	2221	36	may	may	MD
12787	2221	37	be	be	VB
12787	2221	38	reduced	reduce	VBN
12787	2221	39	from	from	IN
12787	2221	40	the	the	DT
12787	2221	41	20	20	CD
12787	2221	42	to	to	TO
12787	2221	43	24	24	CD
12787	2221	44	hours	hour	NNS
12787	2221	45	required	require	VBN
12787	2221	46	with	with	IN
12787	2221	47	stationary	stationary	JJ
12787	2221	48	electrodes	electrode	NNS
12787	2221	49	,	,	,
12787	2221	50	and	and	CC
12787	2221	51	unstirred	unstirred	JJ
12787	2221	52	solutions	solution	NNS
12787	2221	53	,	,	,
12787	2221	54	to	to	IN
12787	2221	55	about	about	RB
12787	2221	56	one	one	CD
12787	2221	57	half	half	JJ
12787	2221	58	hour	hour	NN
12787	2221	59	.	.	.
12787	2222	1	DETERMINATION	DETERMINATION	NNP
12787	2222	2	OF	of	IN
12787	2222	3	COPPER	COPPER	NNP
12787	2222	4	AND	and	CC
12787	2222	5	LEAD	lead	NN
12787	2222	6	PROCEDURE.--Weigh	procedure.--weigh	RB
12787	2222	7	out	out	RP
12787	2222	8	two	two	CD
12787	2222	9	portions	portion	NNS
12787	2222	10	of	of	IN
12787	2222	11	about	about	RB
12787	2222	12	0.5	0.5	CD
12787	2222	13	gram	gram	NN
12787	2222	14	each	each	DT
12787	2222	15	(	(	-LRB-
12787	2222	16	Note	note	NN
12787	2222	17	1	1	CD
12787	2222	18	)	)	-RRB-
12787	2222	19	into	into	IN
12787	2222	20	tall	tall	JJ
12787	2222	21	,	,	,
12787	2222	22	slender	slender	NN
12787	2222	23	lipless	lipless	NN
12787	2222	24	beakers	beaker	NNS
12787	2222	25	of	of	IN
12787	2222	26	about	about	RB
12787	2222	27	100	100	CD
12787	2222	28	cc	cc	NN
12787	2222	29	.	.	.
12787	2223	1	capacity	capacity	NN
12787	2223	2	.	.	.
12787	2224	1	Dissolve	dissolve	VB
12787	2224	2	the	the	DT
12787	2224	3	metal	metal	NN
12787	2224	4	in	in	IN
12787	2224	5	a	a	DT
12787	2224	6	solution	solution	NN
12787	2224	7	of	of	IN
12787	2224	8	5	5	CD
12787	2224	9	cc	cc	NN
12787	2224	10	.	.	.
12787	2225	1	of	of	IN
12787	2225	2	dilute	dilute	NNP
12787	2225	3	nitric	nitric	NNP
12787	2225	4	acid	acid	NNP
12787	2225	5	(	(	-LRB-
12787	2225	6	sp	sp	NNP
12787	2225	7	.	.	.
12787	2226	1	gr	gr	NNP
12787	2226	2	.	.	.
12787	2227	1	1.20	1.20	LS
12787	2227	2	)	)	-RRB-
12787	2227	3	and	and	CC
12787	2227	4	5	5	CD
12787	2227	5	cc	cc	NN
12787	2227	6	.	.	.
12787	2228	1	of	of	IN
12787	2228	2	water	water	NN
12787	2228	3	,	,	,
12787	2228	4	heating	heat	VBG
12787	2228	5	gently	gently	RB
12787	2228	6	,	,	,
12787	2228	7	and	and	CC
12787	2228	8	keeping	keep	VBG
12787	2228	9	the	the	DT
12787	2228	10	beaker	beaker	NN
12787	2228	11	covered	cover	VBN
12787	2228	12	.	.	.
12787	2229	1	When	when	WRB
12787	2229	2	the	the	DT
12787	2229	3	sample	sample	NN
12787	2229	4	has	have	VBZ
12787	2229	5	all	all	DT
12787	2229	6	dissolved	dissolve	VBN
12787	2229	7	(	(	-LRB-
12787	2229	8	Note	note	NN
12787	2229	9	2	2	CD
12787	2229	10	)	)	-RRB-
12787	2229	11	,	,	,
12787	2229	12	wash	wash	VB
12787	2229	13	down	down	RP
12787	2229	14	the	the	DT
12787	2229	15	sides	side	NNS
12787	2229	16	of	of	IN
12787	2229	17	the	the	DT
12787	2229	18	beaker	beaker	NN
12787	2229	19	and	and	CC
12787	2229	20	the	the	DT
12787	2229	21	bottom	bottom	NN
12787	2229	22	of	of	IN
12787	2229	23	the	the	DT
12787	2229	24	watch	watch	NN
12787	2229	25	-	-	HYPH
12787	2229	26	glass	glass	NN
12787	2229	27	with	with	IN
12787	2229	28	water	water	NN
12787	2229	29	and	and	CC
12787	2229	30	dilute	dilute	VB
12787	2229	31	the	the	DT
12787	2229	32	solution	solution	NN
12787	2229	33	to	to	IN
12787	2229	34	about	about	RB
12787	2229	35	50	50	CD
12787	2229	36	cc	cc	NN
12787	2229	37	.	.	.
12787	2230	1	Carefully	carefully	RB
12787	2230	2	heat	heat	VB
12787	2230	3	to	to	IN
12787	2230	4	boiling	boil	VBG
12787	2230	5	and	and	CC
12787	2230	6	boil	boil	VB
12787	2230	7	for	for	IN
12787	2230	8	a	a	DT
12787	2230	9	minute	minute	NN
12787	2230	10	or	or	CC
12787	2230	11	two	two	CD
12787	2230	12	to	to	TO
12787	2230	13	expel	expel	VB
12787	2230	14	nitrous	nitrous	JJ
12787	2230	15	fumes	fume	NNS
12787	2230	16	.	.	.
12787	2231	1	Meanwhile	meanwhile	RB
12787	2231	2	,	,	,
12787	2231	3	four	four	CD
12787	2231	4	platinum	platinum	NN
12787	2231	5	electrodes	electrode	NNS
12787	2231	6	,	,	,
12787	2231	7	two	two	CD
12787	2231	8	anodes	anode	NNS
12787	2231	9	and	and	CC
12787	2231	10	two	two	CD
12787	2231	11	cathodes	cathode	NNS
12787	2231	12	,	,	,
12787	2231	13	should	should	MD
12787	2231	14	be	be	VB
12787	2231	15	cleaned	clean	VBN
12787	2231	16	by	by	IN
12787	2231	17	dipping	dip	VBG
12787	2231	18	in	in	IN
12787	2231	19	dilute	dilute	JJ
12787	2231	20	nitric	nitric	NN
12787	2231	21	acid	acid	NN
12787	2231	22	,	,	,
12787	2231	23	washing	wash	VBG
12787	2231	24	with	with	IN
12787	2231	25	water	water	NN
12787	2231	26	and	and	CC
12787	2231	27	finally	finally	RB
12787	2231	28	with	with	IN
12787	2231	29	95	95	CD
12787	2231	30	per	per	NN
12787	2231	31	cent	cent	NN
12787	2231	32	alcohol	alcohol	NN
12787	2231	33	(	(	-LRB-
12787	2231	34	Note	note	NN
12787	2231	35	3	3	CD
12787	2231	36	)	)	-RRB-
12787	2231	37	.	.	.
12787	2232	1	The	the	DT
12787	2232	2	alcohol	alcohol	NN
12787	2232	3	may	may	MD
12787	2232	4	be	be	VB
12787	2232	5	ignited	ignite	VBN
12787	2232	6	and	and	CC
12787	2232	7	burned	burn	VBN
12787	2232	8	off	off	RP
12787	2232	9	.	.	.
12787	2233	1	The	the	DT
12787	2233	2	electrodes	electrode	NNS
12787	2233	3	are	be	VBP
12787	2233	4	then	then	RB
12787	2233	5	cooled	cool	VBN
12787	2233	6	in	in	IN
12787	2233	7	a	a	DT
12787	2233	8	desiccator	desiccator	NN
12787	2233	9	and	and	CC
12787	2233	10	weighed	weigh	VBD
12787	2233	11	.	.	.
12787	2234	1	Connect	connect	VB
12787	2234	2	the	the	DT
12787	2234	3	electrodes	electrode	NNS
12787	2234	4	with	with	IN
12787	2234	5	the	the	DT
12787	2234	6	binding	bind	VBG
12787	2234	7	posts	post	NNS
12787	2234	8	(	(	-LRB-
12787	2234	9	or	or	CC
12787	2234	10	other	other	JJ
12787	2234	11	device	device	NN
12787	2234	12	for	for	IN
12787	2234	13	connection	connection	NN
12787	2234	14	with	with	IN
12787	2234	15	the	the	DT
12787	2234	16	electric	electric	NNP
12787	2234	17	circuit	circuit	NN
12787	2234	18	)	)	-RRB-
12787	2234	19	in	in	IN
12787	2234	20	such	such	PDT
12787	2234	21	a	a	DT
12787	2234	22	way	way	NN
12787	2234	23	that	that	WDT
12787	2234	24	the	the	DT
12787	2234	25	copper	copper	NN
12787	2234	26	will	will	MD
12787	2234	27	be	be	VB
12787	2234	28	deposited	deposit	VBN
12787	2234	29	upon	upon	IN
12787	2234	30	the	the	DT
12787	2234	31	electrode	electrode	NN
12787	2234	32	with	with	IN
12787	2234	33	the	the	DT
12787	2234	34	larger	large	JJR
12787	2234	35	surface	surface	NN
12787	2234	36	,	,	,
12787	2234	37	which	which	WDT
12787	2234	38	is	be	VBZ
12787	2234	39	made	make	VBN
12787	2234	40	the	the	DT
12787	2234	41	cathode	cathode	NN
12787	2234	42	.	.	.
12787	2235	1	The	the	DT
12787	2235	2	beaker	beaker	NN
12787	2235	3	containing	contain	VBG
12787	2235	4	the	the	DT
12787	2235	5	solution	solution	NN
12787	2235	6	should	should	MD
12787	2235	7	then	then	RB
12787	2235	8	be	be	VB
12787	2235	9	raised	raise	VBN
12787	2235	10	into	into	IN
12787	2235	11	place	place	NN
12787	2235	12	from	from	IN
12787	2235	13	below	below	IN
12787	2235	14	the	the	DT
12787	2235	15	electrodes	electrode	NNS
12787	2235	16	until	until	IN
12787	2235	17	the	the	DT
12787	2235	18	latter	latter	JJ
12787	2235	19	reach	reach	NN
12787	2235	20	nearly	nearly	RB
12787	2235	21	to	to	IN
12787	2235	22	the	the	DT
12787	2235	23	bottom	bottom	NN
12787	2235	24	of	of	IN
12787	2235	25	the	the	DT
12787	2235	26	beaker	beaker	NN
12787	2235	27	.	.	.
12787	2236	1	The	the	DT
12787	2236	2	support	support	NN
12787	2236	3	for	for	IN
12787	2236	4	the	the	DT
12787	2236	5	beaker	beaker	NN
12787	2236	6	must	must	MD
12787	2236	7	be	be	VB
12787	2236	8	so	so	RB
12787	2236	9	arranged	arrange	VBN
12787	2236	10	that	that	IN
12787	2236	11	it	-PRON-	PRP
12787	2236	12	can	can	MD
12787	2236	13	be	be	VB
12787	2236	14	easily	easily	RB
12787	2236	15	raised	raise	VBN
12787	2236	16	or	or	CC
12787	2236	17	lowered	lower	VBN
12787	2236	18	.	.	.
12787	2237	1	If	if	IN
12787	2237	2	the	the	DT
12787	2237	3	electrolytic	electrolytic	JJ
12787	2237	4	apparatus	apparatus	NN
12787	2237	5	is	be	VBZ
12787	2237	6	provided	provide	VBN
12787	2237	7	with	with	IN
12787	2237	8	a	a	DT
12787	2237	9	mechanism	mechanism	NN
12787	2237	10	for	for	IN
12787	2237	11	the	the	DT
12787	2237	12	rotation	rotation	NN
12787	2237	13	of	of	IN
12787	2237	14	the	the	DT
12787	2237	15	electrode	electrode	NN
12787	2237	16	or	or	CC
12787	2237	17	stirring	stirring	NN
12787	2237	18	of	of	IN
12787	2237	19	the	the	DT
12787	2237	20	electrolyte	electrolyte	NNP
12787	2237	21	,	,	,
12787	2237	22	proceed	proceed	VB
12787	2237	23	as	as	IN
12787	2237	24	follows	follow	VBZ
12787	2237	25	:	:	:
12787	2237	26	Arrange	arrange	VB
12787	2237	27	the	the	DT
12787	2237	28	resistance	resistance	NN
12787	2237	29	in	in	IN
12787	2237	30	the	the	DT
12787	2237	31	circuit	circuit	NN
12787	2237	32	to	to	TO
12787	2237	33	provide	provide	VB
12787	2237	34	a	a	DT
12787	2237	35	direct	direct	JJ
12787	2237	36	current	current	NN
12787	2237	37	of	of	IN
12787	2237	38	about	about	RB
12787	2237	39	one	one	CD
12787	2237	40	ampere	ampere	RB
12787	2237	41	.	.	.
12787	2238	1	Pass	pass	VB
12787	2238	2	this	this	DT
12787	2238	3	current	current	NN
12787	2238	4	through	through	IN
12787	2238	5	the	the	DT
12787	2238	6	solution	solution	NN
12787	2238	7	to	to	TO
12787	2238	8	be	be	VB
12787	2238	9	electrolyzed	electrolyze	VBN
12787	2238	10	,	,	,
12787	2238	11	and	and	CC
12787	2238	12	start	start	VB
12787	2238	13	the	the	DT
12787	2238	14	rotating	rotating	NN
12787	2238	15	mechanism	mechanism	NN
12787	2238	16	.	.	.
12787	2239	1	Keep	keep	VB
12787	2239	2	the	the	DT
12787	2239	3	beaker	beaker	NN
12787	2239	4	covered	cover	VBN
12787	2239	5	as	as	RB
12787	2239	6	completely	completely	RB
12787	2239	7	as	as	IN
12787	2239	8	possible	possible	JJ
12787	2239	9	,	,	,
12787	2239	10	using	use	VBG
12787	2239	11	a	a	DT
12787	2239	12	split	split	JJ
12787	2239	13	watch	watch	NN
12787	2239	14	-	-	HYPH
12787	2239	15	glass	glass	NN
12787	2239	16	(	(	-LRB-
12787	2239	17	or	or	CC
12787	2239	18	other	other	JJ
12787	2239	19	device	device	NN
12787	2239	20	)	)	-RRB-
12787	2239	21	to	to	TO
12787	2239	22	avoid	avoid	VB
12787	2239	23	loss	loss	NN
12787	2239	24	by	by	IN
12787	2239	25	spattering	spatter	VBG
12787	2239	26	.	.	.
12787	2240	1	When	when	WRB
12787	2240	2	the	the	DT
12787	2240	3	solution	solution	NN
12787	2240	4	is	be	VBZ
12787	2240	5	colorless	colorless	JJ
12787	2240	6	,	,	,
12787	2240	7	which	which	WDT
12787	2240	8	is	be	VBZ
12787	2240	9	usually	usually	RB
12787	2240	10	the	the	DT
12787	2240	11	case	case	NN
12787	2240	12	after	after	IN
12787	2240	13	about	about	RB
12787	2240	14	35	35	CD
12787	2240	15	minutes	minute	NNS
12787	2240	16	,	,	,
12787	2240	17	rinse	rinse	VB
12787	2240	18	off	off	RP
12787	2240	19	the	the	DT
12787	2240	20	cover	cover	NN
12787	2240	21	glass	glass	NN
12787	2240	22	,	,	,
12787	2240	23	wash	wash	VB
12787	2240	24	down	down	RP
12787	2240	25	the	the	DT
12787	2240	26	sides	side	NNS
12787	2240	27	of	of	IN
12787	2240	28	the	the	DT
12787	2240	29	beaker	beaker	NN
12787	2240	30	,	,	,
12787	2240	31	add	add	VB
12787	2240	32	about	about	RB
12787	2240	33	0.30	0.30	CD
12787	2240	34	gram	gram	NN
12787	2240	35	of	of	IN
12787	2240	36	urea	urea	NNP
12787	2240	37	and	and	CC
12787	2240	38	continue	continue	VB
12787	2240	39	the	the	DT
12787	2240	40	electrolysis	electrolysis	NN
12787	2240	41	for	for	IN
12787	2240	42	another	another	DT
12787	2240	43	five	five	CD
12787	2240	44	minutes	minute	NNS
12787	2240	45	(	(	-LRB-
12787	2240	46	Notes	note	NNS
12787	2240	47	4	4	CD
12787	2240	48	and	and	CC
12787	2240	49	5	5	CD
12787	2240	50	)	)	-RRB-
12787	2240	51	.	.	.
12787	2241	1	If	if	IN
12787	2241	2	stationary	stationary	JJ
12787	2241	3	electrodes	electrode	NNS
12787	2241	4	are	be	VBP
12787	2241	5	employed	employ	VBN
12787	2241	6	,	,	,
12787	2241	7	the	the	DT
12787	2241	8	current	current	JJ
12787	2241	9	strength	strength	NN
12787	2241	10	should	should	MD
12787	2241	11	be	be	VB
12787	2241	12	about	about	RB
12787	2241	13	0.1	0.1	CD
12787	2241	14	ampere	ampere	RB
12787	2241	15	,	,	,
12787	2241	16	which	which	WDT
12787	2241	17	may	may	MD
12787	2241	18	,	,	,
12787	2241	19	after	after	IN
12787	2241	20	12	12	CD
12787	2241	21	to	to	TO
12787	2241	22	15	15	CD
12787	2241	23	hours	hour	NNS
12787	2241	24	,	,	,
12787	2241	25	be	be	VB
12787	2241	26	increased	increase	VBN
12787	2241	27	to	to	IN
12787	2241	28	0.2	0.2	CD
12787	2241	29	ampere	ampere	RB
12787	2241	30	.	.	.
12787	2242	1	The	the	DT
12787	2242	2	time	time	NN
12787	2242	3	required	require	VBN
12787	2242	4	for	for	IN
12787	2242	5	complete	complete	JJ
12787	2242	6	deposition	deposition	NN
12787	2242	7	is	be	VBZ
12787	2242	8	usually	usually	RB
12787	2242	9	from	from	IN
12787	2242	10	20	20	CD
12787	2242	11	to	to	TO
12787	2242	12	24	24	CD
12787	2242	13	hours	hour	NNS
12787	2242	14	.	.	.
12787	2243	1	It	-PRON-	PRP
12787	2243	2	is	be	VBZ
12787	2243	3	advisable	advisable	JJ
12787	2243	4	to	to	TO
12787	2243	5	add	add	VB
12787	2243	6	5	5	CD
12787	2243	7	cc	cc	NN
12787	2243	8	.	.	.
12787	2244	1	of	of	IN
12787	2244	2	nitric	nitric	JJ
12787	2244	3	acid	acid	NNP
12787	2244	4	(	(	-LRB-
12787	2244	5	sp	sp	NNP
12787	2244	6	.	.	.
12787	2245	1	gr	gr	NNP
12787	2245	2	.	.	.
12787	2246	1	1.2	1.2	LS
12787	2246	2	)	)	-RRB-
12787	2246	3	if	if	IN
12787	2246	4	the	the	DT
12787	2246	5	electrolysis	electrolysis	NN
12787	2246	6	extends	extend	VBZ
12787	2246	7	over	over	IN
12787	2246	8	this	this	DT
12787	2246	9	length	length	NN
12787	2246	10	of	of	IN
12787	2246	11	time	time	NN
12787	2246	12	.	.	.
12787	2247	1	No	no	DT
12787	2247	2	urea	urea	NN
12787	2247	3	is	be	VBZ
12787	2247	4	added	add	VBN
12787	2247	5	in	in	IN
12787	2247	6	this	this	DT
12787	2247	7	case	case	NN
12787	2247	8	.	.	.
12787	2248	1	When	when	WRB
12787	2248	2	the	the	DT
12787	2248	3	deposition	deposition	NN
12787	2248	4	of	of	IN
12787	2248	5	the	the	DT
12787	2248	6	copper	copper	NN
12787	2248	7	appears	appear	VBZ
12787	2248	8	to	to	TO
12787	2248	9	be	be	VB
12787	2248	10	complete	complete	JJ
12787	2248	11	,	,	,
12787	2248	12	stop	stop	VB
12787	2248	13	the	the	DT
12787	2248	14	rotating	rotate	VBG
12787	2248	15	mechanism	mechanism	NN
12787	2248	16	and	and	CC
12787	2248	17	slowly	slowly	RB
12787	2248	18	lower	low	JJR
12787	2248	19	the	the	DT
12787	2248	20	beaker	beaker	NN
12787	2248	21	with	with	IN
12787	2248	22	the	the	DT
12787	2248	23	left	left	JJ
12787	2248	24	hand	hand	NN
12787	2248	25	,	,	,
12787	2248	26	directing	direct	VBG
12787	2248	27	at	at	IN
12787	2248	28	the	the	DT
12787	2248	29	same	same	JJ
12787	2248	30	time	time	NN
12787	2248	31	a	a	DT
12787	2248	32	stream	stream	NN
12787	2248	33	of	of	IN
12787	2248	34	water	water	NN
12787	2248	35	from	from	IN
12787	2248	36	a	a	DT
12787	2248	37	wash	wash	NN
12787	2248	38	bottle	bottle	NN
12787	2248	39	on	on	IN
12787	2248	40	both	both	DT
12787	2248	41	electrodes	electrode	NNS
12787	2248	42	.	.	.
12787	2249	1	Remove	remove	VB
12787	2249	2	the	the	DT
12787	2249	3	beaker	beaker	NN
12787	2249	4	,	,	,
12787	2249	5	shut	shut	VBD
12787	2249	6	off	off	RP
12787	2249	7	the	the	DT
12787	2249	8	current	current	NN
12787	2249	9	,	,	,
12787	2249	10	and	and	CC
12787	2249	11	,	,	,
12787	2249	12	if	if	IN
12787	2249	13	necessary	necessary	JJ
12787	2249	14	,	,	,
12787	2249	15	complete	complete	VB
12787	2249	16	the	the	DT
12787	2249	17	washing	washing	NN
12787	2249	18	of	of	IN
12787	2249	19	the	the	DT
12787	2249	20	electrodes	electrode	NNS
12787	2249	21	(	(	-LRB-
12787	2249	22	Note	note	NN
12787	2249	23	6	6	CD
12787	2249	24	)	)	-RRB-
12787	2249	25	.	.	.
12787	2250	1	Rinse	rinse	VB
12787	2250	2	the	the	DT
12787	2250	3	electrodes	electrode	NNS
12787	2250	4	cautiously	cautiously	RB
12787	2250	5	with	with	IN
12787	2250	6	alcohol	alcohol	NN
12787	2250	7	and	and	CC
12787	2250	8	heat	heat	VB
12787	2250	9	them	-PRON-	PRP
12787	2250	10	in	in	IN
12787	2250	11	a	a	DT
12787	2250	12	hot	hot	JJ
12787	2250	13	closet	closet	NN
12787	2250	14	until	until	IN
12787	2250	15	the	the	DT
12787	2250	16	alcohol	alcohol	NN
12787	2250	17	has	have	VBZ
12787	2250	18	just	just	RB
12787	2250	19	evaporated	evaporate	VBN
12787	2250	20	,	,	,
12787	2250	21	but	but	CC
12787	2250	22	no	no	RB
12787	2250	23	longer	long	RBR
12787	2250	24	,	,	,
12787	2250	25	since	since	IN
12787	2250	26	the	the	DT
12787	2250	27	copper	copper	NN
12787	2250	28	is	be	VBZ
12787	2250	29	likely	likely	JJ
12787	2250	30	to	to	TO
12787	2250	31	oxidize	oxidize	VB
12787	2250	32	at	at	IN
12787	2250	33	the	the	DT
12787	2250	34	higher	high	JJR
12787	2250	35	temperature	temperature	NN
12787	2250	36	.	.	.
12787	2251	1	(	(	-LRB-
12787	2251	2	The	the	DT
12787	2251	3	alcohol	alcohol	NN
12787	2251	4	may	may	MD
12787	2251	5	be	be	VB
12787	2251	6	removed	remove	VBN
12787	2251	7	by	by	IN
12787	2251	8	ignition	ignition	NN
12787	2251	9	if	if	IN
12787	2251	10	care	care	NN
12787	2251	11	is	be	VBZ
12787	2251	12	taken	take	VBN
12787	2251	13	to	to	TO
12787	2251	14	keep	keep	VB
12787	2251	15	the	the	DT
12787	2251	16	electrodes	electrode	NNS
12787	2251	17	in	in	IN
12787	2251	18	motion	motion	NN
12787	2251	19	in	in	IN
12787	2251	20	the	the	DT
12787	2251	21	air	air	NN
12787	2251	22	so	so	IN
12787	2251	23	that	that	IN
12787	2251	24	the	the	DT
12787	2251	25	copper	copper	NN
12787	2251	26	deposit	deposit	NN
12787	2251	27	is	be	VBZ
12787	2251	28	not	not	RB
12787	2251	29	too	too	RB
12787	2251	30	strongly	strongly	RB
12787	2251	31	heated	heated	JJ
12787	2251	32	at	at	IN
12787	2251	33	any	any	DT
12787	2251	34	one	one	CD
12787	2251	35	point	point	NN
12787	2251	36	.	.	.
12787	2251	37	)	)	-RRB-
12787	2252	1	Test	test	VB
12787	2252	2	the	the	DT
12787	2252	3	solution	solution	NN
12787	2252	4	in	in	IN
12787	2252	5	the	the	DT
12787	2252	6	beaker	beaker	NN
12787	2252	7	for	for	IN
12787	2252	8	copper	copper	NN
12787	2252	9	as	as	IN
12787	2252	10	follows	follow	VBZ
12787	2252	11	,	,	,
12787	2252	12	remembering	remember	VBG
12787	2252	13	that	that	IN
12787	2252	14	it	-PRON-	PRP
12787	2252	15	is	be	VBZ
12787	2252	16	to	to	TO
12787	2252	17	be	be	VB
12787	2252	18	used	use	VBN
12787	2252	19	for	for	IN
12787	2252	20	subsequent	subsequent	JJ
12787	2252	21	determinations	determination	NNS
12787	2252	22	of	of	IN
12787	2252	23	iron	iron	NN
12787	2252	24	and	and	CC
12787	2252	25	zinc	zinc	NN
12787	2252	26	:	:	:
12787	2252	27	Remove	remove	VB
12787	2252	28	about	about	RB
12787	2252	29	5	5	CD
12787	2252	30	cc	cc	NN
12787	2252	31	.	.	.
12787	2253	1	and	and	CC
12787	2253	2	add	add	VB
12787	2253	3	a	a	DT
12787	2253	4	slight	slight	JJ
12787	2253	5	excess	excess	NN
12787	2253	6	of	of	IN
12787	2253	7	ammonia	ammonia	NN
12787	2253	8	.	.	.
12787	2254	1	Compare	compare	VB
12787	2254	2	the	the	DT
12787	2254	3	mixture	mixture	NN
12787	2254	4	with	with	IN
12787	2254	5	some	some	DT
12787	2254	6	distilled	distil	VBN
12787	2254	7	water	water	NN
12787	2254	8	,	,	,
12787	2254	9	holding	hold	VBG
12787	2254	10	both	both	CC
12787	2254	11	above	above	IN
12787	2254	12	a	a	DT
12787	2254	13	white	white	JJ
12787	2254	14	surface	surface	NN
12787	2254	15	.	.	.
12787	2255	1	The	the	DT
12787	2255	2	solution	solution	NN
12787	2255	3	should	should	MD
12787	2255	4	not	not	RB
12787	2255	5	show	show	VB
12787	2255	6	any	any	DT
12787	2255	7	tinge	tinge	NN
12787	2255	8	of	of	IN
12787	2255	9	blue	blue	NNP
12787	2255	10	.	.	.
12787	2256	1	If	if	IN
12787	2256	2	the	the	DT
12787	2256	3	presence	presence	NN
12787	2256	4	of	of	IN
12787	2256	5	copper	copper	NN
12787	2256	6	is	be	VBZ
12787	2256	7	indicated	indicate	VBN
12787	2256	8	,	,	,
12787	2256	9	add	add	VB
12787	2256	10	the	the	DT
12787	2256	11	test	test	NN
12787	2256	12	portion	portion	NN
12787	2256	13	to	to	IN
12787	2256	14	the	the	DT
12787	2256	15	main	main	JJ
12787	2256	16	solution	solution	NN
12787	2256	17	,	,	,
12787	2256	18	evaporate	evaporate	VB
12787	2256	19	the	the	DT
12787	2256	20	whole	whole	NN
12787	2256	21	to	to	IN
12787	2256	22	a	a	DT
12787	2256	23	volume	volume	NN
12787	2256	24	of	of	IN
12787	2256	25	about	about	RB
12787	2256	26	100	100	CD
12787	2256	27	cc	cc	NNP
12787	2256	28	.	.	NNP
12787	2256	29	,	,	,
12787	2256	30	and	and	CC
12787	2256	31	again	again	RB
12787	2256	32	electrolyze	electrolyze	VBN
12787	2256	33	with	with	IN
12787	2256	34	clean	clean	JJ
12787	2256	35	electrodes	electrode	NNS
12787	2256	36	(	(	-LRB-
12787	2256	37	Note	note	NN
12787	2256	38	7	7	CD
12787	2256	39	)	)	-RRB-
12787	2256	40	.	.	.
12787	2257	1	After	after	IN
12787	2257	2	cooling	cool	VBG
12787	2257	3	the	the	DT
12787	2257	4	electrodes	electrode	NNS
12787	2257	5	in	in	IN
12787	2257	6	a	a	DT
12787	2257	7	desiccator	desiccator	NN
12787	2257	8	,	,	,
12787	2257	9	weigh	weigh	VB
12787	2257	10	them	-PRON-	PRP
12787	2257	11	and	and	CC
12787	2257	12	from	from	IN
12787	2257	13	the	the	DT
12787	2257	14	weight	weight	NN
12787	2257	15	of	of	IN
12787	2257	16	copper	copper	NN
12787	2257	17	on	on	IN
12787	2257	18	the	the	DT
12787	2257	19	cathode	cathode	NN
12787	2257	20	and	and	CC
12787	2257	21	of	of	IN
12787	2257	22	lead	lead	NN
12787	2257	23	dioxide	dioxide	NN
12787	2257	24	(	(	-LRB-
12787	2257	25	PbO_{2	PbO_{2	NNP
12787	2257	26	}	}	-RRB-
12787	2257	27	)	)	-RRB-
12787	2257	28	on	on	IN
12787	2257	29	the	the	DT
12787	2257	30	anode	anode	NN
12787	2257	31	,	,	,
12787	2257	32	calculate	calculate	VB
12787	2257	33	the	the	DT
12787	2257	34	percentage	percentage	NN
12787	2257	35	of	of	IN
12787	2257	36	copper	copper	NN
12787	2257	37	(	(	-LRB-
12787	2257	38	Cu	cu	NN
12787	2257	39	)	)	-RRB-
12787	2257	40	and	and	CC
12787	2257	41	of	of	IN
12787	2257	42	lead	lead	NN
12787	2257	43	(	(	-LRB-
12787	2257	44	Pb	Pb	NNP
12787	2257	45	)	)	-RRB-
12787	2257	46	in	in	IN
12787	2257	47	the	the	DT
12787	2257	48	brass	brass	NN
12787	2257	49	.	.	.
12787	2258	1	[	[	-LRB-
12787	2258	2	Note	note	NN
12787	2258	3	1	1	CD
12787	2258	4	:	:	:
12787	2258	5	It	-PRON-	PRP
12787	2258	6	is	be	VBZ
12787	2258	7	obvious	obvious	JJ
12787	2258	8	that	that	IN
12787	2258	9	the	the	DT
12787	2258	10	brass	brass	NN
12787	2258	11	taken	take	VBN
12787	2258	12	for	for	IN
12787	2258	13	analysis	analysis	NN
12787	2258	14	should	should	MD
12787	2258	15	be	be	VB
12787	2258	16	untarnished	untarnished	JJ
12787	2258	17	,	,	,
12787	2258	18	which	which	WDT
12787	2258	19	can	can	MD
12787	2258	20	be	be	VB
12787	2258	21	easily	easily	RB
12787	2258	22	assured	assure	VBN
12787	2258	23	,	,	,
12787	2258	24	when	when	WRB
12787	2258	25	wire	wire	NN
12787	2258	26	is	be	VBZ
12787	2258	27	used	use	VBN
12787	2258	28	,	,	,
12787	2258	29	by	by	IN
12787	2258	30	scouring	scour	VBG
12787	2258	31	with	with	IN
12787	2258	32	emery	emery	NN
12787	2258	33	.	.	.
12787	2259	1	If	if	IN
12787	2259	2	chips	chip	NNS
12787	2259	3	or	or	CC
12787	2259	4	borings	boring	NNS
12787	2259	5	are	be	VBP
12787	2259	6	used	use	VBN
12787	2259	7	,	,	,
12787	2259	8	they	-PRON-	PRP
12787	2259	9	should	should	MD
12787	2259	10	be	be	VB
12787	2259	11	well	well	RB
12787	2259	12	mixed	mixed	JJ
12787	2259	13	,	,	,
12787	2259	14	and	and	CC
12787	2259	15	the	the	DT
12787	2259	16	sample	sample	NN
12787	2259	17	for	for	IN
12787	2259	18	analysis	analysis	NN
12787	2259	19	taken	take	VBN
12787	2259	20	from	from	IN
12787	2259	21	different	different	JJ
12787	2259	22	parts	part	NNS
12787	2259	23	of	of	IN
12787	2259	24	the	the	DT
12787	2259	25	mixture	mixture	NN
12787	2259	26	.	.	.
12787	2259	27	]	]	-RRB-
12787	2260	1	[	[	-LRB-
12787	2260	2	Note	note	NN
12787	2260	3	2	2	CD
12787	2260	4	:	:	:
12787	2260	5	If	if	IN
12787	2260	6	a	a	DT
12787	2260	7	white	white	JJ
12787	2260	8	residue	residue	NN
12787	2260	9	remains	remain	VBZ
12787	2260	10	upon	upon	IN
12787	2260	11	treatment	treatment	NN
12787	2260	12	of	of	IN
12787	2260	13	the	the	DT
12787	2260	14	alloy	alloy	NN
12787	2260	15	with	with	IN
12787	2260	16	nitric	nitric	JJ
12787	2260	17	acid	acid	NN
12787	2260	18	,	,	,
12787	2260	19	it	-PRON-	PRP
12787	2260	20	indicates	indicate	VBZ
12787	2260	21	the	the	DT
12787	2260	22	presence	presence	NN
12787	2260	23	of	of	IN
12787	2260	24	tin	tin	NN
12787	2260	25	.	.	.
12787	2261	1	The	the	DT
12787	2261	2	material	material	NN
12787	2261	3	is	be	VBZ
12787	2261	4	not	not	RB
12787	2261	5	,	,	,
12787	2261	6	therefore	therefore	RB
12787	2261	7	,	,	,
12787	2261	8	a	a	DT
12787	2261	9	true	true	JJ
12787	2261	10	brass	brass	NN
12787	2261	11	.	.	.
12787	2262	1	This	this	DT
12787	2262	2	may	may	MD
12787	2262	3	be	be	VB
12787	2262	4	treated	treat	VBN
12787	2262	5	as	as	IN
12787	2262	6	follows	follow	VBZ
12787	2262	7	:	:	:
12787	2262	8	Evaporate	evaporate	VB
12787	2262	9	the	the	DT
12787	2262	10	solution	solution	NN
12787	2262	11	to	to	IN
12787	2262	12	dryness	dryness	NN
12787	2262	13	,	,	,
12787	2262	14	moisten	moisten	VB
12787	2262	15	the	the	DT
12787	2262	16	residue	residue	NN
12787	2262	17	with	with	IN
12787	2262	18	5	5	CD
12787	2262	19	cc	cc	NN
12787	2262	20	.	.	.
12787	2263	1	of	of	IN
12787	2263	2	dilute	dilute	NNP
12787	2263	3	nitric	nitric	NNP
12787	2263	4	acid	acid	NNP
12787	2263	5	(	(	-LRB-
12787	2263	6	sp	sp	NNP
12787	2263	7	.	.	.
12787	2264	1	gr	gr	NNP
12787	2264	2	.	.	.
12787	2265	1	1.2	1.2	LS
12787	2265	2	)	)	-RRB-
12787	2265	3	and	and	CC
12787	2265	4	add	add	VB
12787	2265	5	50	50	CD
12787	2265	6	cc	cc	NN
12787	2265	7	.	.	.
12787	2266	1	of	of	IN
12787	2266	2	hot	hot	JJ
12787	2266	3	water	water	NN
12787	2266	4	.	.	.
12787	2267	1	Filter	filter	VB
12787	2267	2	off	off	RP
12787	2267	3	the	the	DT
12787	2267	4	meta	meta	JJ
12787	2267	5	-	-	HYPH
12787	2267	6	stannic	stannic	NN
12787	2267	7	acid	acid	NN
12787	2267	8	,	,	,
12787	2267	9	wash	wash	NN
12787	2267	10	,	,	,
12787	2267	11	ignite	ignite	VB
12787	2267	12	in	in	IN
12787	2267	13	porcelain	porcelain	NN
12787	2267	14	and	and	CC
12787	2267	15	weigh	weigh	VBP
12787	2267	16	as	as	IN
12787	2267	17	SnO_{2	SnO_{2	NNP
12787	2267	18	}	}	-RRB-
12787	2267	19	.	.	.
12787	2268	1	This	this	DT
12787	2268	2	oxide	oxide	NN
12787	2268	3	is	be	VBZ
12787	2268	4	never	never	RB
12787	2268	5	wholly	wholly	RB
12787	2268	6	free	free	JJ
12787	2268	7	from	from	IN
12787	2268	8	copper	copper	NN
12787	2268	9	and	and	CC
12787	2268	10	must	must	MD
12787	2268	11	be	be	VB
12787	2268	12	purified	purify	VBN
12787	2268	13	for	for	IN
12787	2268	14	an	an	DT
12787	2268	15	exact	exact	JJ
12787	2268	16	determination	determination	NN
12787	2268	17	.	.	.
12787	2269	1	If	if	IN
12787	2269	2	it	-PRON-	PRP
12787	2269	3	does	do	VBZ
12787	2269	4	not	not	RB
12787	2269	5	exceed	exceed	VB
12787	2269	6	2	2	CD
12787	2269	7	per	per	IN
12787	2269	8	cent	cent	NN
12787	2269	9	of	of	IN
12787	2269	10	the	the	DT
12787	2269	11	alloy	alloy	NN
12787	2269	12	,	,	,
12787	2269	13	the	the	DT
12787	2269	14	quantity	quantity	NN
12787	2269	15	of	of	IN
12787	2269	16	copper	copper	NN
12787	2269	17	which	which	WDT
12787	2269	18	it	-PRON-	PRP
12787	2269	19	contains	contain	VBZ
12787	2269	20	may	may	MD
12787	2269	21	usually	usually	RB
12787	2269	22	be	be	VB
12787	2269	23	neglected	neglect	VBN
12787	2269	24	.	.	.
12787	2269	25	]	]	-RRB-
12787	2270	1	[	[	-LRB-
12787	2270	2	Note	note	NN
12787	2270	3	3	3	CD
12787	2270	4	:	:	:
12787	2270	5	The	the	DT
12787	2270	6	electrodes	electrode	NNS
12787	2270	7	should	should	MD
12787	2270	8	be	be	VB
12787	2270	9	freed	free	VBN
12787	2270	10	from	from	IN
12787	2270	11	all	all	DT
12787	2270	12	greasy	greasy	JJ
12787	2270	13	matter	matter	NN
12787	2270	14	before	before	IN
12787	2270	15	using	use	VBG
12787	2270	16	,	,	,
12787	2270	17	and	and	CC
12787	2270	18	those	those	DT
12787	2270	19	portions	portion	NNS
12787	2270	20	upon	upon	IN
12787	2270	21	which	which	WDT
12787	2270	22	the	the	DT
12787	2270	23	metal	metal	NN
12787	2270	24	will	will	MD
12787	2270	25	deposit	deposit	VB
12787	2270	26	should	should	MD
12787	2270	27	not	not	RB
12787	2270	28	be	be	VB
12787	2270	29	touched	touch	VBN
12787	2270	30	with	with	IN
12787	2270	31	the	the	DT
12787	2270	32	fingers	finger	NNS
12787	2270	33	after	after	IN
12787	2270	34	cleaning	clean	VBG
12787	2270	35	.	.	.
12787	2270	36	]	]	-RRB-
12787	2271	1	[	[	-LRB-
12787	2271	2	Note	note	NN
12787	2271	3	4	4	CD
12787	2271	4	:	:	:
12787	2271	5	Of	of	IN
12787	2271	6	the	the	DT
12787	2271	7	ions	ion	NNS
12787	2271	8	in	in	IN
12787	2271	9	solution	solution	NN
12787	2271	10	,	,	,
12787	2271	11	the	the	DT
12787	2271	12	H^{+	H^{+	NNP
12787	2271	13	}	}	-RRB-
12787	2271	14	,	,	,
12787	2271	15	Cu^{++	Cu^{++	NNP
12787	2271	16	}	}	-RRB-
12787	2271	17	,	,	,
12787	2271	18	Zn^{++	Zn^{++	NNP
12787	2271	19	}	}	-RRB-
12787	2271	20	,	,	,
12787	2271	21	and	and	CC
12787	2271	22	Fe^{+++	fe^{+++	NN
12787	2271	23	}	}	-RRB-
12787	2271	24	ions	ion	NNS
12787	2271	25	tend	tend	VBP
12787	2271	26	to	to	TO
12787	2271	27	move	move	VB
12787	2271	28	toward	toward	IN
12787	2271	29	the	the	DT
12787	2271	30	cathode	cathode	NN
12787	2271	31	.	.	.
12787	2272	1	The	the	DT
12787	2272	2	NO_{3}^{-	NO_{3}^{-	NNP
12787	2272	3	}	}	-RRB-
12787	2272	4	ions	ion	NNS
12787	2272	5	and	and	CC
12787	2272	6	the	the	DT
12787	2272	7	lead	lead	NN
12787	2272	8	,	,	,
12787	2272	9	probably	probably	RB
12787	2272	10	in	in	IN
12787	2272	11	the	the	DT
12787	2272	12	form	form	NN
12787	2272	13	of	of	IN
12787	2272	14	PbO_{2}^{--	pbo_{2}^{--	NN
12787	2272	15	}	}	-RRB-
12787	2272	16	ions	ion	NNS
12787	2272	17	,	,	,
12787	2272	18	move	move	VBP
12787	2272	19	toward	toward	IN
12787	2272	20	the	the	DT
12787	2272	21	anode	anode	NN
12787	2272	22	.	.	.
12787	2273	1	At	at	IN
12787	2273	2	the	the	DT
12787	2273	3	cathode	cathode	NN
12787	2273	4	the	the	DT
12787	2273	5	Cu^{++	Cu^{++	NNP
12787	2273	6	}	}	-RRB-
12787	2273	7	ions	ion	NNS
12787	2273	8	are	be	VBP
12787	2273	9	discharged	discharge	VBN
12787	2273	10	and	and	CC
12787	2273	11	plate	plate	VB
12787	2273	12	out	out	RP
12787	2273	13	as	as	IN
12787	2273	14	metallic	metallic	JJ
12787	2273	15	copper	copper	NN
12787	2273	16	.	.	.
12787	2274	1	This	this	DT
12787	2274	2	alone	alone	RB
12787	2274	3	occurs	occur	VBZ
12787	2274	4	while	while	IN
12787	2274	5	the	the	DT
12787	2274	6	solution	solution	NN
12787	2274	7	is	be	VBZ
12787	2274	8	relatively	relatively	RB
12787	2274	9	concentrated	concentrated	JJ
12787	2274	10	.	.	.
12787	2275	1	Later	later	RB
12787	2275	2	on	on	RB
12787	2275	3	,	,	,
12787	2275	4	H^{+	H^{+	NNP
12787	2275	5	}	}	-RRB-
12787	2275	6	ions	ion	NNS
12787	2275	7	are	be	VBP
12787	2275	8	also	also	RB
12787	2275	9	discharged	discharge	VBN
12787	2275	10	.	.	.
12787	2276	1	In	in	IN
12787	2276	2	the	the	DT
12787	2276	3	presence	presence	NN
12787	2276	4	of	of	IN
12787	2276	5	considerable	considerable	JJ
12787	2276	6	quantities	quantity	NNS
12787	2276	7	of	of	IN
12787	2276	8	H^{+	H^{+	NNP
12787	2276	9	}	}	-RRB-
12787	2276	10	ions	ion	NNS
12787	2276	11	,	,	,
12787	2276	12	as	as	IN
12787	2276	13	in	in	IN
12787	2276	14	this	this	DT
12787	2276	15	acid	acid	NN
12787	2276	16	solution	solution	NN
12787	2276	17	,	,	,
12787	2276	18	no	no	DT
12787	2276	19	Zn^{++	Zn^{++	NNP
12787	2276	20	}	}	-RRB-
12787	2276	21	or	or	CC
12787	2276	22	Fe^{+++	fe^{+++	NN
12787	2276	23	}	}	-RRB-
12787	2276	24	ions	ion	NNS
12787	2276	25	are	be	VBP
12787	2276	26	discharged	discharge	VBN
12787	2276	27	because	because	IN
12787	2276	28	of	of	IN
12787	2276	29	their	-PRON-	PRP$
12787	2276	30	greater	great	JJR
12787	2276	31	deposition	deposition	NN
12787	2276	32	potentials	potential	NNS
12787	2276	33	.	.	.
12787	2277	1	At	at	IN
12787	2277	2	the	the	DT
12787	2277	3	anode	anode	NN
12787	2277	4	the	the	DT
12787	2277	5	lead	lead	NN
12787	2277	6	is	be	VBZ
12787	2277	7	deposited	deposit	VBN
12787	2277	8	as	as	IN
12787	2277	9	PbO_{2	PbO_{2	NNP
12787	2277	10	}	}	-RRB-
12787	2277	11	and	and	CC
12787	2277	12	oxygen	oxygen	NN
12787	2277	13	is	be	VBZ
12787	2277	14	evolved	evolve	VBN
12787	2277	15	.	.	.
12787	2278	1	For	for	IN
12787	2278	2	the	the	DT
12787	2278	3	reasons	reason	NNS
12787	2278	4	stated	state	VBN
12787	2278	5	on	on	IN
12787	2278	6	page	page	NN
12787	2278	7	141	141	CD
12787	2278	8	care	care	NN
12787	2278	9	must	must	MD
12787	2278	10	be	be	VB
12787	2278	11	taken	take	VBN
12787	2278	12	that	that	IN
12787	2278	13	the	the	DT
12787	2278	14	solution	solution	NN
12787	2278	15	does	do	VBZ
12787	2278	16	not	not	RB
12787	2278	17	become	become	VB
12787	2278	18	alkaline	alkaline	NN
12787	2278	19	if	if	IN
12787	2278	20	the	the	DT
12787	2278	21	electrolysis	electrolysis	NN
12787	2278	22	is	be	VBZ
12787	2278	23	long	long	RB
12787	2278	24	continued	continue	VBN
12787	2278	25	.	.	.
12787	2278	26	]	]	-RRB-
12787	2279	1	[	[	-LRB-
12787	2279	2	Note	note	NN
12787	2279	3	5	5	CD
12787	2279	4	:	:	:
12787	2279	5	Urea	Urea	NNP
12787	2279	6	reacts	react	NNS
12787	2279	7	with	with	IN
12787	2279	8	nitrous	nitrous	JJ
12787	2279	9	acid	acid	NN
12787	2279	10	,	,	,
12787	2279	11	which	which	WDT
12787	2279	12	may	may	MD
12787	2279	13	be	be	VB
12787	2279	14	formed	form	VBN
12787	2279	15	in	in	IN
12787	2279	16	the	the	DT
12787	2279	17	solution	solution	NN
12787	2279	18	as	as	IN
12787	2279	19	a	a	DT
12787	2279	20	result	result	NN
12787	2279	21	of	of	IN
12787	2279	22	the	the	DT
12787	2279	23	reducing	reduce	VBG
12787	2279	24	action	action	NN
12787	2279	25	of	of	IN
12787	2279	26	the	the	DT
12787	2279	27	liberated	liberated	JJ
12787	2279	28	hydrogen	hydrogen	NN
12787	2279	29	.	.	.
12787	2280	1	Its	-PRON-	PRP$
12787	2280	2	removal	removal	NN
12787	2280	3	promotes	promote	VBZ
12787	2280	4	the	the	DT
12787	2280	5	complete	complete	JJ
12787	2280	6	precipitation	precipitation	NN
12787	2280	7	of	of	IN
12787	2280	8	the	the	DT
12787	2280	9	copper	copper	NN
12787	2280	10	.	.	.
12787	2281	1	The	the	DT
12787	2281	2	reaction	reaction	NN
12787	2281	3	is	be	VBZ
12787	2281	4	CO(NH_{2})_{2	co(nh_{2})_{2	NN
12787	2281	5	}	}	-RRB-
12787	2281	6	+	+	CC
12787	2281	7	2HNO_{2	2hno_{2	CD
12787	2281	8	}	}	-RRB-
12787	2281	9	--	--	:
12787	2281	10	>	>	XX
12787	2281	11	CO_{2	CO_{2	NNP
12787	2281	12	}	}	-RRB-
12787	2281	13	+	+	CC
12787	2281	14	2N_{2	2n_{2	CD
12787	2281	15	}	}	-RRB-
12787	2281	16	+	+	SYM
12787	2281	17	3H_{2}O.	3h_{2}o.	CD
12787	2281	18	]	]	-RRB-
12787	2282	1	[	[	-LRB-
12787	2282	2	Note	note	NN
12787	2282	3	6	6	CD
12787	2282	4	:	:	:
12787	2282	5	The	the	DT
12787	2282	6	electrodes	electrode	NNS
12787	2282	7	must	must	MD
12787	2282	8	be	be	VB
12787	2282	9	washed	wash	VBN
12787	2282	10	nearly	nearly	RB
12787	2282	11	or	or	CC
12787	2282	12	quite	quite	RB
12787	2282	13	free	free	JJ
12787	2282	14	from	from	IN
12787	2282	15	the	the	DT
12787	2282	16	nitric	nitric	JJ
12787	2282	17	acid	acid	NN
12787	2282	18	solution	solution	NN
12787	2282	19	before	before	IN
12787	2282	20	the	the	DT
12787	2282	21	circuit	circuit	NN
12787	2282	22	is	be	VBZ
12787	2282	23	broken	break	VBN
12787	2282	24	to	to	TO
12787	2282	25	prevent	prevent	VB
12787	2282	26	re	re	NN
12787	2282	27	-	-	NN
12787	2282	28	solution	solution	NN
12787	2282	29	of	of	IN
12787	2282	30	the	the	DT
12787	2282	31	copper	copper	NN
12787	2282	32	.	.	.
12787	2283	1	If	if	IN
12787	2283	2	several	several	JJ
12787	2283	3	solutions	solution	NNS
12787	2283	4	are	be	VBP
12787	2283	5	connected	connect	VBN
12787	2283	6	in	in	IN
12787	2283	7	the	the	DT
12787	2283	8	same	same	JJ
12787	2283	9	circuit	circuit	NN
12787	2283	10	it	-PRON-	PRP
12787	2283	11	is	be	VBZ
12787	2283	12	obvious	obvious	JJ
12787	2283	13	that	that	IN
12787	2283	14	some	some	DT
12787	2283	15	device	device	NN
12787	2283	16	must	must	MD
12787	2283	17	be	be	VB
12787	2283	18	used	use	VBN
12787	2283	19	to	to	TO
12787	2283	20	close	close	VB
12787	2283	21	the	the	DT
12787	2283	22	circuit	circuit	NN
12787	2283	23	as	as	RB
12787	2283	24	soon	soon	RB
12787	2283	25	as	as	IN
12787	2283	26	the	the	DT
12787	2283	27	beaker	beaker	NN
12787	2283	28	is	be	VBZ
12787	2283	29	removed	remove	VBN
12787	2283	30	.	.	.
12787	2283	31	]	]	-RRB-
12787	2284	1	[	[	-LRB-
12787	2284	2	Note	note	NN
12787	2284	3	7	7	CD
12787	2284	4	:	:	:
12787	2284	5	The	the	DT
12787	2284	6	electrodes	electrode	NNS
12787	2284	7	upon	upon	IN
12787	2284	8	which	which	WDT
12787	2284	9	the	the	DT
12787	2284	10	copper	copper	NN
12787	2284	11	has	have	VBZ
12787	2284	12	been	be	VBN
12787	2284	13	deposited	deposit	VBN
12787	2284	14	may	may	MD
12787	2284	15	be	be	VB
12787	2284	16	cleaned	clean	VBN
12787	2284	17	by	by	IN
12787	2284	18	immersion	immersion	NN
12787	2284	19	in	in	IN
12787	2284	20	warm	warm	JJ
12787	2284	21	nitric	nitric	JJ
12787	2284	22	acid	acid	NN
12787	2284	23	.	.	.
12787	2285	1	To	to	TO
12787	2285	2	remove	remove	VB
12787	2285	3	the	the	DT
12787	2285	4	lead	lead	JJ
12787	2285	5	dioxide	dioxide	NN
12787	2285	6	,	,	,
12787	2285	7	add	add	VB
12787	2285	8	a	a	DT
12787	2285	9	few	few	JJ
12787	2285	10	crystals	crystal	NNS
12787	2285	11	of	of	IN
12787	2285	12	oxalic	oxalic	JJ
12787	2285	13	acid	acid	NN
12787	2285	14	to	to	IN
12787	2285	15	the	the	DT
12787	2285	16	nitric	nitric	JJ
12787	2285	17	acid	acid	NN
12787	2285	18	.	.	.
12787	2285	19	]	]	-RRB-
12787	2286	1	DETERMINATION	determination	NN
12787	2286	2	OF	of	IN
12787	2286	3	IRON	IRON	NNP
12787	2286	4	Most	Most	JJS
12787	2286	5	brasses	brass	NNS
12787	2286	6	contain	contain	VBP
12787	2286	7	small	small	JJ
12787	2286	8	percentages	percentage	NNS
12787	2286	9	of	of	IN
12787	2286	10	iron	iron	NN
12787	2286	11	(	(	-LRB-
12787	2286	12	usually	usually	RB
12787	2286	13	not	not	RB
12787	2286	14	over	over	IN
12787	2286	15	0.1	0.1	CD
12787	2286	16	per	per	NN
12787	2286	17	cent	cent	NN
12787	2286	18	)	)	-RRB-
12787	2286	19	which	which	WDT
12787	2286	20	,	,	,
12787	2286	21	unless	unless	IN
12787	2286	22	removed	remove	VBN
12787	2286	23	,	,	,
12787	2286	24	is	be	VBZ
12787	2286	25	precipitated	precipitate	VBN
12787	2286	26	as	as	IN
12787	2286	27	phosphate	phosphate	NN
12787	2286	28	and	and	CC
12787	2286	29	weighed	weigh	VBD
12787	2286	30	with	with	IN
12787	2286	31	the	the	DT
12787	2286	32	zinc	zinc	NN
12787	2286	33	.	.	.
12787	2287	1	PROCEDURE.--To	PROCEDURE.--To	NNP
12787	2287	2	the	the	DT
12787	2287	3	solution	solution	NN
12787	2287	4	from	from	IN
12787	2287	5	the	the	DT
12787	2287	6	precipitation	precipitation	NN
12787	2287	7	of	of	IN
12787	2287	8	copper	copper	NN
12787	2287	9	and	and	CC
12787	2287	10	lead	lead	NN
12787	2287	11	by	by	IN
12787	2287	12	electrolysis	electrolysis	NN
12787	2287	13	,	,	,
12787	2287	14	add	add	VB
12787	2287	15	dilute	dilute	NNP
12787	2287	16	ammonia	ammonia	NNP
12787	2287	17	(	(	-LRB-
12787	2287	18	sp	sp	NNP
12787	2287	19	.	.	.
12787	2288	1	gr	gr	NNP
12787	2288	2	.	.	.
12787	2289	1	0.96	0.96	LS
12787	2289	2	)	)	-RRB-
12787	2289	3	until	until	IN
12787	2289	4	the	the	DT
12787	2289	5	precipitate	precipitate	NN
12787	2289	6	of	of	IN
12787	2289	7	zinc	zinc	NNP
12787	2289	8	hydroxide	hydroxide	NN
12787	2289	9	which	which	WDT
12787	2289	10	first	first	JJ
12787	2289	11	forms	form	NNS
12787	2289	12	re	re	NNS
12787	2289	13	-	-	NNS
12787	2289	14	dissolves	dissolve	NNS
12787	2289	15	,	,	,
12787	2289	16	leaving	leave	VBG
12787	2289	17	only	only	RB
12787	2289	18	a	a	DT
12787	2289	19	slight	slight	JJ
12787	2289	20	red	red	JJ
12787	2289	21	precipitate	precipitate	NN
12787	2289	22	of	of	IN
12787	2289	23	ferric	ferric	NNP
12787	2289	24	hydroxide	hydroxide	NNP
12787	2289	25	.	.	.
12787	2290	1	Filter	filter	VB
12787	2290	2	off	off	RP
12787	2290	3	the	the	DT
12787	2290	4	iron	iron	NN
12787	2290	5	precipitate	precipitate	NN
12787	2290	6	,	,	,
12787	2290	7	using	use	VBG
12787	2290	8	a	a	DT
12787	2290	9	washed	wash	VBN
12787	2290	10	filter	filter	NN
12787	2290	11	,	,	,
12787	2290	12	and	and	CC
12787	2290	13	wash	wash	VB
12787	2290	14	five	five	CD
12787	2290	15	times	time	NNS
12787	2290	16	with	with	IN
12787	2290	17	hot	hot	JJ
12787	2290	18	water	water	NN
12787	2290	19	.	.	.
12787	2291	1	Test	test	VB
12787	2291	2	a	a	DT
12787	2291	3	portion	portion	NN
12787	2291	4	of	of	IN
12787	2291	5	the	the	DT
12787	2291	6	last	last	JJ
12787	2291	7	washing	washing	NN
12787	2291	8	with	with	IN
12787	2291	9	a	a	DT
12787	2291	10	dilute	dilute	NN
12787	2291	11	solution	solution	NN
12787	2291	12	of	of	IN
12787	2291	13	ammonium	ammonium	NN
12787	2291	14	sulphide	sulphide	NN
12787	2291	15	to	to	TO
12787	2291	16	assure	assure	VB
12787	2291	17	complete	complete	JJ
12787	2291	18	removal	removal	NN
12787	2291	19	of	of	IN
12787	2291	20	the	the	DT
12787	2291	21	zinc	zinc	NN
12787	2291	22	.	.	.
12787	2292	1	The	the	DT
12787	2292	2	precipitate	precipitate	NN
12787	2292	3	may	may	MD
12787	2292	4	then	then	RB
12787	2292	5	be	be	VB
12787	2292	6	ignited	ignite	VBN
12787	2292	7	and	and	CC
12787	2292	8	weighed	weigh	VBN
12787	2292	9	as	as	IN
12787	2292	10	ferric	ferric	JJ
12787	2292	11	oxide	oxide	NN
12787	2292	12	,	,	,
12787	2292	13	as	as	IN
12787	2292	14	described	describe	VBN
12787	2292	15	on	on	IN
12787	2292	16	page	page	NN
12787	2292	17	110	110	CD
12787	2292	18	.	.	.
12787	2293	1	Calculate	calculate	VB
12787	2293	2	the	the	DT
12787	2293	3	percentage	percentage	NN
12787	2293	4	of	of	IN
12787	2293	5	iron	iron	NN
12787	2293	6	(	(	-LRB-
12787	2293	7	Fe	fe	FW
12787	2293	8	)	)	-RRB-
12787	2293	9	in	in	IN
12787	2293	10	the	the	DT
12787	2293	11	brass	brass	NN
12787	2293	12	.	.	.
12787	2294	1	DETERMINATION	DETERMINATION	NNP
12787	2294	2	OF	of	IN
12787	2294	3	ZINC	ZINC	NNP
12787	2294	4	PROCEDURE.--Acidify	PROCEDURE.--Acidify	NNP
12787	2294	5	the	the	DT
12787	2294	6	filtrate	filtrate	JJ
12787	2294	7	from	from	IN
12787	2294	8	the	the	DT
12787	2294	9	iron	iron	NN
12787	2294	10	determination	determination	NN
12787	2294	11	with	with	IN
12787	2294	12	dilute	dilute	JJ
12787	2294	13	nitric	nitric	NN
12787	2294	14	acid	acid	NN
12787	2294	15	.	.	.
12787	2295	1	Concentrate	concentrate	VB
12787	2295	2	it	-PRON-	PRP
12787	2295	3	to	to	IN
12787	2295	4	150	150	CD
12787	2295	5	cc	cc	NN
12787	2295	6	.	.	.
12787	2296	1	Add	add	VB
12787	2296	2	to	to	IN
12787	2296	3	the	the	DT
12787	2296	4	cold	cold	JJ
12787	2296	5	solution	solution	NN
12787	2296	6	dilute	dilute	NNP
12787	2296	7	ammonia	ammonia	NNP
12787	2296	8	(	(	-LRB-
12787	2296	9	sp	sp	NNP
12787	2296	10	.	.	.
12787	2297	1	gr	gr	NNP
12787	2297	2	.	.	.
12787	2298	1	0.96	0.96	LS
12787	2298	2	)	)	-RRB-
12787	2298	3	cautiously	cautiously	RB
12787	2298	4	until	until	IN
12787	2298	5	it	-PRON-	PRP
12787	2298	6	barely	barely	RB
12787	2298	7	smells	smell	VBZ
12787	2298	8	of	of	IN
12787	2298	9	ammonia	ammonia	NN
12787	2298	10	;	;	:
12787	2298	11	then	then	RB
12787	2298	12	add	add	VB
12787	2298	13	!	!	.
12787	2298	14	one	one	CD
12787	2298	15	drop	drop	NN
12787	2298	16	!	!	.
12787	2299	1	of	of	IN
12787	2299	2	a	a	DT
12787	2299	3	dilute	dilute	NN
12787	2299	4	solution	solution	NN
12787	2299	5	of	of	IN
12787	2299	6	litmus	litmus	NN
12787	2299	7	(	(	-LRB-
12787	2299	8	Note	note	NN
12787	2299	9	1	1	CD
12787	2299	10	)	)	-RRB-
12787	2299	11	,	,	,
12787	2299	12	and	and	CC
12787	2299	13	drop	drop	VB
12787	2299	14	in	in	RP
12787	2299	15	,	,	,
12787	2299	16	with	with	IN
12787	2299	17	the	the	DT
12787	2299	18	aid	aid	NN
12787	2299	19	of	of	IN
12787	2299	20	a	a	DT
12787	2299	21	dropper	dropper	NN
12787	2299	22	,	,	,
12787	2299	23	dilute	dilute	NN
12787	2299	24	nitric	nitric	JJ
12787	2299	25	acid	acid	NN
12787	2299	26	until	until	IN
12787	2299	27	the	the	DT
12787	2299	28	blue	blue	NN
12787	2299	29	of	of	IN
12787	2299	30	the	the	DT
12787	2299	31	litmus	litmus	NN
12787	2299	32	just	just	RB
12787	2299	33	changes	change	VBZ
12787	2299	34	to	to	IN
12787	2299	35	red	red	NN
12787	2299	36	.	.	.
12787	2300	1	It	-PRON-	PRP
12787	2300	2	is	be	VBZ
12787	2300	3	important	important	JJ
12787	2300	4	that	that	IN
12787	2300	5	this	this	DT
12787	2300	6	point	point	NN
12787	2300	7	should	should	MD
12787	2300	8	not	not	RB
12787	2300	9	be	be	VB
12787	2300	10	overstepped	overstep	VBN
12787	2300	11	.	.	.
12787	2301	1	Heat	heat	VB
12787	2301	2	the	the	DT
12787	2301	3	solution	solution	NN
12787	2301	4	nearly	nearly	RB
12787	2301	5	to	to	IN
12787	2301	6	boiling	boil	VBG
12787	2301	7	and	and	CC
12787	2301	8	pour	pour	VB
12787	2301	9	into	into	IN
12787	2301	10	it	-PRON-	PRP
12787	2301	11	slowly	slowly	RB
12787	2301	12	a	a	DT
12787	2301	13	filtered	filter	VBN
12787	2301	14	solution	solution	NN
12787	2301	15	of	of	IN
12787	2301	16	di	di	JJ
12787	2301	17	-	-	NN
12787	2301	18	ammonium	ammonium	NN
12787	2301	19	hydrogen	hydrogen	NN
12787	2301	20	phosphate[1	phosphate[1	NNP
12787	2301	21	]	]	-RRB-
12787	2301	22	containing	contain	VBG
12787	2301	23	a	a	DT
12787	2301	24	weight	weight	NN
12787	2301	25	of	of	IN
12787	2301	26	the	the	DT
12787	2301	27	phosphate	phosphate	NN
12787	2301	28	about	about	IN
12787	2301	29	equal	equal	JJ
12787	2301	30	to	to	IN
12787	2301	31	twelve	twelve	CD
12787	2301	32	times	time	NNS
12787	2301	33	that	that	DT
12787	2301	34	of	of	IN
12787	2301	35	the	the	DT
12787	2301	36	zinc	zinc	NN
12787	2301	37	to	to	TO
12787	2301	38	be	be	VB
12787	2301	39	precipitated	precipitate	VBN
12787	2301	40	.	.	.
12787	2302	1	(	(	-LRB-
12787	2302	2	For	for	IN
12787	2302	3	this	this	DT
12787	2302	4	calculation	calculation	NN
12787	2302	5	the	the	DT
12787	2302	6	approximate	approximate	JJ
12787	2302	7	percentage	percentage	NN
12787	2302	8	of	of	IN
12787	2302	9	zinc	zinc	NN
12787	2302	10	is	be	VBZ
12787	2302	11	that	that	WDT
12787	2302	12	found	find	VBN
12787	2302	13	by	by	IN
12787	2302	14	subtracting	subtract	VBG
12787	2302	15	the	the	DT
12787	2302	16	sum	sum	NN
12787	2302	17	of	of	IN
12787	2302	18	the	the	DT
12787	2302	19	percentages	percentage	NNS
12787	2302	20	of	of	IN
12787	2302	21	the	the	DT
12787	2302	22	copper	copper	NN
12787	2302	23	,	,	,
12787	2302	24	lead	lead	NN
12787	2302	25	and	and	CC
12787	2302	26	iron	iron	NN
12787	2302	27	from	from	IN
12787	2302	28	100	100	CD
12787	2302	29	per	per	NN
12787	2302	30	cent	cent	NN
12787	2302	31	.	.	.
12787	2302	32	)	)	-RRB-
12787	2303	1	Keep	keep	VB
12787	2303	2	the	the	DT
12787	2303	3	solution	solution	NN
12787	2303	4	just	just	RB
12787	2303	5	below	below	IN
12787	2303	6	boiling	boil	VBG
12787	2303	7	for	for	IN
12787	2303	8	fifteen	fifteen	CD
12787	2303	9	minutes	minute	NNS
12787	2303	10	,	,	,
12787	2303	11	stirring	stir	VBG
12787	2303	12	frequently	frequently	RB
12787	2303	13	(	(	-LRB-
12787	2303	14	Note	note	NN
12787	2303	15	2	2	CD
12787	2303	16	)	)	-RRB-
12787	2303	17	.	.	.
12787	2304	1	If	if	IN
12787	2304	2	at	at	IN
12787	2304	3	the	the	DT
12787	2304	4	end	end	NN
12787	2304	5	of	of	IN
12787	2304	6	this	this	DT
12787	2304	7	time	time	NN
12787	2304	8	the	the	DT
12787	2304	9	amorphous	amorphous	JJ
12787	2304	10	precipitate	precipitate	NN
12787	2304	11	has	have	VBZ
12787	2304	12	become	become	VBN
12787	2304	13	crystalline	crystalline	JJ
12787	2304	14	,	,	,
12787	2304	15	allow	allow	VB
12787	2304	16	the	the	DT
12787	2304	17	solution	solution	NN
12787	2304	18	to	to	TO
12787	2304	19	cool	cool	VB
12787	2304	20	for	for	IN
12787	2304	21	about	about	RB
12787	2304	22	four	four	CD
12787	2304	23	hours	hour	NNS
12787	2304	24	,	,	,
12787	2304	25	although	although	IN
12787	2304	26	a	a	DT
12787	2304	27	longer	long	JJR
12787	2304	28	time	time	NN
12787	2304	29	does	do	VBZ
12787	2304	30	no	no	DT
12787	2304	31	harm	harm	NN
12787	2304	32	(	(	-LRB-
12787	2304	33	Note	note	NN
12787	2304	34	3	3	CD
12787	2304	35	)	)	-RRB-
12787	2304	36	,	,	,
12787	2304	37	and	and	CC
12787	2304	38	filter	filter	VB
12787	2304	39	upon	upon	IN
12787	2304	40	an	an	DT
12787	2304	41	asbestos	asbestos	NN
12787	2304	42	filter	filter	NN
12787	2304	43	in	in	IN
12787	2304	44	a	a	DT
12787	2304	45	porcelain	porcelain	NN
12787	2304	46	Gooch	Gooch	NNP
12787	2304	47	crucible	crucible	NN
12787	2304	48	.	.	.
12787	2305	1	The	the	DT
12787	2305	2	filter	filter	NN
12787	2305	3	is	be	VBZ
12787	2305	4	prepared	prepare	VBN
12787	2305	5	as	as	IN
12787	2305	6	described	describe	VBN
12787	2305	7	on	on	IN
12787	2305	8	page	page	NN
12787	2305	9	103	103	CD
12787	2305	10	,	,	,
12787	2305	11	and	and	CC
12787	2305	12	should	should	MD
12787	2305	13	be	be	VB
12787	2305	14	dried	dry	VBN
12787	2305	15	to	to	IN
12787	2305	16	constant	constant	JJ
12787	2305	17	weight	weight	NN
12787	2305	18	at	at	IN
12787	2305	19	105Â	105â	CD
12787	2305	20	°	°	,
12787	2305	21	C	C	NNP
12787	2305	22	.	.	.
12787	2306	1	[	[	-LRB-
12787	2306	2	Footnote	footnote	NN
12787	2306	3	1	1	CD
12787	2306	4	:	:	:
12787	2306	5	The	the	DT
12787	2306	6	ammonium	ammonium	NN
12787	2306	7	phosphate	phosphate	NN
12787	2306	8	which	which	WDT
12787	2306	9	is	be	VBZ
12787	2306	10	commonly	commonly	RB
12787	2306	11	obtainable	obtainable	JJ
12787	2306	12	contains	contain	NNS
12787	2306	13	some	some	DT
12787	2306	14	mono	mono	JJ
12787	2306	15	-	-	NN
12787	2306	16	ammonium	ammonium	NN
12787	2306	17	salt	salt	NN
12787	2306	18	,	,	,
12787	2306	19	and	and	CC
12787	2306	20	this	this	DT
12787	2306	21	is	be	VBZ
12787	2306	22	not	not	RB
12787	2306	23	satisfactory	satisfactory	JJ
12787	2306	24	as	as	IN
12787	2306	25	a	a	DT
12787	2306	26	precipitant	precipitant	NN
12787	2306	27	.	.	.
12787	2307	1	It	-PRON-	PRP
12787	2307	2	is	be	VBZ
12787	2307	3	advisable	advisable	JJ
12787	2307	4	,	,	,
12787	2307	5	therefore	therefore	RB
12787	2307	6	,	,	,
12787	2307	7	to	to	TO
12787	2307	8	weigh	weigh	VB
12787	2307	9	out	out	RP
12787	2307	10	the	the	DT
12787	2307	11	amount	amount	NN
12787	2307	12	of	of	IN
12787	2307	13	the	the	DT
12787	2307	14	salt	salt	NN
12787	2307	15	required	require	VBN
12787	2307	16	,	,	,
12787	2307	17	dissolve	dissolve	VB
12787	2307	18	it	-PRON-	PRP
12787	2307	19	in	in	IN
12787	2307	20	a	a	DT
12787	2307	21	small	small	JJ
12787	2307	22	volume	volume	NN
12787	2307	23	of	of	IN
12787	2307	24	water	water	NN
12787	2307	25	,	,	,
12787	2307	26	add	add	VB
12787	2307	27	a	a	DT
12787	2307	28	drop	drop	NN
12787	2307	29	of	of	IN
12787	2307	30	phenolphthalein	phenolphthalein	NN
12787	2307	31	solution	solution	NN
12787	2307	32	,	,	,
12787	2307	33	and	and	CC
12787	2307	34	finally	finally	RB
12787	2307	35	add	add	VB
12787	2307	36	dilute	dilute	NN
12787	2307	37	ammonium	ammonium	NN
12787	2307	38	hydroxide	hydroxide	NNP
12787	2307	39	solution	solution	NN
12787	2307	40	cautiously	cautiously	RB
12787	2307	41	until	until	IN
12787	2307	42	the	the	DT
12787	2307	43	solution	solution	NN
12787	2307	44	just	just	RB
12787	2307	45	becomes	become	VBZ
12787	2307	46	pink	pink	JJ
12787	2307	47	,	,	,
12787	2307	48	but	but	CC
12787	2307	49	do	do	VBP
12787	2307	50	not	not	RB
12787	2307	51	add	add	VB
12787	2307	52	an	an	DT
12787	2307	53	excess	excess	NN
12787	2307	54	.	.	.
12787	2307	55	]	]	-RRB-
12787	2308	1	Wash	wash	VB
12787	2308	2	the	the	DT
12787	2308	3	precipitate	precipitate	NN
12787	2308	4	until	until	IN
12787	2308	5	free	free	JJ
12787	2308	6	from	from	IN
12787	2308	7	sulphates	sulphate	NNS
12787	2308	8	with	with	IN
12787	2308	9	a	a	DT
12787	2308	10	warm	warm	JJ
12787	2308	11	1	1	CD
12787	2308	12	per	per	NN
12787	2308	13	cent	cent	NN
12787	2308	14	solution	solution	NN
12787	2308	15	of	of	IN
12787	2308	16	the	the	DT
12787	2308	17	di	di	JJ
12787	2308	18	-	-	HYPH
12787	2308	19	ammonium	ammonium	NN
12787	2308	20	phosphate	phosphate	NN
12787	2308	21	,	,	,
12787	2308	22	and	and	CC
12787	2308	23	then	then	RB
12787	2308	24	five	five	CD
12787	2308	25	times	time	NNS
12787	2308	26	with	with	IN
12787	2308	27	50	50	CD
12787	2308	28	per	per	NN
12787	2308	29	cent	cent	NN
12787	2308	30	alcohol	alcohol	NN
12787	2308	31	(	(	-LRB-
12787	2308	32	Note	note	NN
12787	2308	33	4	4	CD
12787	2308	34	)	)	-RRB-
12787	2308	35	.	.	.
12787	2309	1	Dry	Dry	NNP
12787	2309	2	the	the	DT
12787	2309	3	crucible	crucible	NN
12787	2309	4	and	and	CC
12787	2309	5	precipitate	precipitate	VB
12787	2309	6	for	for	IN
12787	2309	7	an	an	DT
12787	2309	8	hour	hour	NN
12787	2309	9	at	at	IN
12787	2309	10	105Â	105â	CD
12787	2309	11	°	°	,
12787	2309	12	C	C	NNP
12787	2309	13	.	.	NNP
12787	2309	14	,	,	,
12787	2309	15	and	and	CC
12787	2309	16	finally	finally	RB
12787	2309	17	to	to	IN
12787	2309	18	constant	constant	JJ
12787	2309	19	weight	weight	NN
12787	2309	20	(	(	-LRB-
12787	2309	21	Note	note	NN
12787	2309	22	5	5	CD
12787	2309	23	)	)	-RRB-
12787	2309	24	.	.	.
12787	2310	1	The	the	DT
12787	2310	2	filtrate	filtrate	NN
12787	2310	3	should	should	MD
12787	2310	4	be	be	VB
12787	2310	5	made	make	VBN
12787	2310	6	alkaline	alkaline	NN
12787	2310	7	with	with	IN
12787	2310	8	ammonia	ammonia	NNP
12787	2310	9	and	and	CC
12787	2310	10	tested	test	VBN
12787	2310	11	for	for	IN
12787	2310	12	zinc	zinc	NN
12787	2310	13	with	with	IN
12787	2310	14	a	a	DT
12787	2310	15	few	few	JJ
12787	2310	16	drops	drop	NNS
12787	2310	17	of	of	IN
12787	2310	18	ammonium	ammonium	NN
12787	2310	19	sulphide	sulphide	NN
12787	2310	20	,	,	,
12787	2310	21	allowing	allow	VBG
12787	2310	22	it	-PRON-	PRP
12787	2310	23	to	to	TO
12787	2310	24	stand	stand	VB
12787	2310	25	(	(	-LRB-
12787	2310	26	Notes	Notes	NNP
12787	2310	27	6	6	CD
12787	2310	28	,	,	,
12787	2310	29	7	7	CD
12787	2310	30	and	and	CC
12787	2310	31	8)	8)	CD
12787	2310	32	.	.	.
12787	2311	1	From	from	IN
12787	2311	2	the	the	DT
12787	2311	3	weight	weight	NN
12787	2311	4	of	of	IN
12787	2311	5	the	the	DT
12787	2311	6	zinc	zinc	NN
12787	2311	7	ammonium	ammonium	NN
12787	2311	8	phosphate	phosphate	NN
12787	2311	9	(	(	-LRB-
12787	2311	10	ZnNH_{4}PO_{4	ZnNH_{4}PO_{4	NNP
12787	2311	11	}	}	-RRB-
12787	2311	12	)	)	-RRB-
12787	2311	13	calculate	calculate	VB
12787	2311	14	the	the	DT
12787	2311	15	percentage	percentage	NN
12787	2311	16	of	of	IN
12787	2311	17	the	the	DT
12787	2311	18	zinc	zinc	NN
12787	2311	19	(	(	-LRB-
12787	2311	20	Zn	Zn	NNP
12787	2311	21	)	)	-RRB-
12787	2311	22	in	in	IN
12787	2311	23	the	the	DT
12787	2311	24	brass	brass	NN
12787	2311	25	.	.	.
12787	2312	1	[	[	-LRB-
12787	2312	2	Note	note	NN
12787	2312	3	1	1	CD
12787	2312	4	:	:	:
12787	2312	5	The	the	DT
12787	2312	6	zinc	zinc	NN
12787	2312	7	ammonium	ammonium	NN
12787	2312	8	phosphate	phosphate	NN
12787	2312	9	is	be	VBZ
12787	2312	10	soluble	soluble	JJ
12787	2312	11	both	both	CC
12787	2312	12	in	in	IN
12787	2312	13	acids	acid	NNS
12787	2312	14	and	and	CC
12787	2312	15	in	in	IN
12787	2312	16	ammonia	ammonia	NNP
12787	2312	17	.	.	.
12787	2313	1	It	-PRON-	PRP
12787	2313	2	is	be	VBZ
12787	2313	3	,	,	,
12787	2313	4	therefore	therefore	RB
12787	2313	5	,	,	,
12787	2313	6	necessary	necessary	JJ
12787	2313	7	to	to	TO
12787	2313	8	precipitate	precipitate	VB
12787	2313	9	the	the	DT
12787	2313	10	zinc	zinc	NN
12787	2313	11	in	in	IN
12787	2313	12	a	a	DT
12787	2313	13	nearly	nearly	RB
12787	2313	14	neutral	neutral	JJ
12787	2313	15	solution	solution	NN
12787	2313	16	,	,	,
12787	2313	17	which	which	WDT
12787	2313	18	is	be	VBZ
12787	2313	19	more	more	RBR
12787	2313	20	accurately	accurately	RB
12787	2313	21	obtained	obtain	VBN
12787	2313	22	by	by	IN
12787	2313	23	adding	add	VBG
12787	2313	24	a	a	DT
12787	2313	25	drop	drop	NN
12787	2313	26	of	of	IN
12787	2313	27	a	a	DT
12787	2313	28	litmus	litmus	NN
12787	2313	29	solution	solution	NN
12787	2313	30	to	to	IN
12787	2313	31	the	the	DT
12787	2313	32	liquid	liquid	NN
12787	2313	33	than	than	IN
12787	2313	34	by	by	IN
12787	2313	35	the	the	DT
12787	2313	36	use	use	NN
12787	2313	37	of	of	IN
12787	2313	38	litmus	litmus	JJ
12787	2313	39	paper	paper	NN
12787	2313	40	.	.	.
12787	2313	41	]	]	-RRB-
12787	2314	1	[	[	-LRB-
12787	2314	2	Note	note	NN
12787	2314	3	2	2	CD
12787	2314	4	:	:	:
12787	2314	5	The	the	DT
12787	2314	6	precipitate	precipitate	NN
12787	2314	7	which	which	WDT
12787	2314	8	first	first	JJ
12787	2314	9	forms	form	NNS
12787	2314	10	is	be	VBZ
12787	2314	11	amorphous	amorphous	JJ
12787	2314	12	,	,	,
12787	2314	13	and	and	CC
12787	2314	14	may	may	MD
12787	2314	15	have	have	VB
12787	2314	16	a	a	DT
12787	2314	17	variable	variable	JJ
12787	2314	18	composition	composition	NN
12787	2314	19	.	.	.
12787	2315	1	On	on	IN
12787	2315	2	standing	stand	VBG
12787	2315	3	it	-PRON-	PRP
12787	2315	4	becomes	become	VBZ
12787	2315	5	crystalline	crystalline	JJ
12787	2315	6	and	and	CC
12787	2315	7	then	then	RB
12787	2315	8	has	have	VBZ
12787	2315	9	the	the	DT
12787	2315	10	composition	composition	NN
12787	2315	11	ZnNH_{4}PO_{4	ZnNH_{4}PO_{4	NNP
12787	2315	12	}	}	-RRB-
12787	2315	13	.	.	.
12787	2316	1	The	the	DT
12787	2316	2	precipitate	precipitate	NN
12787	2316	3	then	then	RB
12787	2316	4	settles	settle	VBZ
12787	2316	5	rapidly	rapidly	RB
12787	2316	6	and	and	CC
12787	2316	7	is	be	VBZ
12787	2316	8	apt	apt	JJ
12787	2316	9	to	to	IN
12787	2316	10	occasion	occasion	NN
12787	2316	11	"	"	``
12787	2316	12	bumping	bump	VBG
12787	2316	13	"	"	''
12787	2316	14	if	if	IN
12787	2316	15	the	the	DT
12787	2316	16	solution	solution	NN
12787	2316	17	is	be	VBZ
12787	2316	18	heated	heat	VBN
12787	2316	19	to	to	IN
12787	2316	20	boiling	boil	VBG
12787	2316	21	.	.	.
12787	2317	1	Stirring	stir	VBG
12787	2317	2	promotes	promote	VBZ
12787	2317	3	the	the	DT
12787	2317	4	crystallization	crystallization	NN
12787	2317	5	.	.	.
12787	2317	6	]	]	-RRB-
12787	2318	1	[	[	-LRB-
12787	2318	2	Note	note	NN
12787	2318	3	3	3	CD
12787	2318	4	:	:	:
12787	2318	5	In	in	IN
12787	2318	6	a	a	DT
12787	2318	7	carefully	carefully	RB
12787	2318	8	neutralized	neutralize	VBN
12787	2318	9	solution	solution	NN
12787	2318	10	containing	contain	VBG
12787	2318	11	a	a	DT
12787	2318	12	considerable	considerable	JJ
12787	2318	13	excess	excess	NN
12787	2318	14	of	of	IN
12787	2318	15	the	the	DT
12787	2318	16	precipitant	precipitant	NN
12787	2318	17	,	,	,
12787	2318	18	and	and	CC
12787	2318	19	also	also	RB
12787	2318	20	ammonium	ammonium	NN
12787	2318	21	salts	salt	NNS
12787	2318	22	,	,	,
12787	2318	23	the	the	DT
12787	2318	24	separation	separation	NN
12787	2318	25	of	of	IN
12787	2318	26	the	the	DT
12787	2318	27	zinc	zinc	NN
12787	2318	28	is	be	VBZ
12787	2318	29	complete	complete	JJ
12787	2318	30	after	after	IN
12787	2318	31	standing	stand	VBG
12787	2318	32	four	four	CD
12787	2318	33	hours	hour	NNS
12787	2318	34	.	.	.
12787	2319	1	The	the	DT
12787	2319	2	ionic	ionic	JJ
12787	2319	3	changes	change	NNS
12787	2319	4	connected	connect	VBN
12787	2319	5	with	with	IN
12787	2319	6	the	the	DT
12787	2319	7	precipitation	precipitation	NN
12787	2319	8	of	of	IN
12787	2319	9	the	the	DT
12787	2319	10	zinc	zinc	NN
12787	2319	11	as	as	IN
12787	2319	12	zinc	zinc	NN
12787	2319	13	ammonium	ammonium	NN
12787	2319	14	phosphate	phosphate	NN
12787	2319	15	are	be	VBP
12787	2319	16	similar	similar	JJ
12787	2319	17	to	to	IN
12787	2319	18	those	those	DT
12787	2319	19	described	describe	VBN
12787	2319	20	for	for	IN
12787	2319	21	magnesium	magnesium	NN
12787	2319	22	ammonium	ammonium	NN
12787	2319	23	phosphate	phosphate	NN
12787	2319	24	,	,	,
12787	2319	25	except	except	IN
12787	2319	26	that	that	IN
12787	2319	27	the	the	DT
12787	2319	28	zinc	zinc	NN
12787	2319	29	precipitate	precipitate	NN
12787	2319	30	is	be	VBZ
12787	2319	31	soluble	soluble	JJ
12787	2319	32	in	in	IN
12787	2319	33	an	an	DT
12787	2319	34	excess	excess	NN
12787	2319	35	of	of	IN
12787	2319	36	ammonium	ammonium	NN
12787	2319	37	hydroxide	hydroxide	NN
12787	2319	38	,	,	,
12787	2319	39	probably	probably	RB
12787	2319	40	as	as	IN
12787	2319	41	a	a	DT
12787	2319	42	result	result	NN
12787	2319	43	of	of	IN
12787	2319	44	the	the	DT
12787	2319	45	formation	formation	NN
12787	2319	46	of	of	IN
12787	2319	47	complex	complex	JJ
12787	2319	48	ions	ion	NNS
12787	2319	49	of	of	IN
12787	2319	50	the	the	DT
12787	2319	51	general	general	JJ
12787	2319	52	character	character	NN
12787	2319	53	Zn(NH_{3})_{4}^{++	Zn(NH_{3})_{4}^{++	NNP
12787	2319	54	}	}	-RRB-
12787	2319	55	.	.	.
12787	2319	56	]	]	-RRB-
12787	2320	1	[	[	-LRB-
12787	2320	2	Note	note	NN
12787	2320	3	4	4	CD
12787	2320	4	:	:	:
12787	2320	5	The	the	DT
12787	2320	6	precipitate	precipitate	NN
12787	2320	7	is	be	VBZ
12787	2320	8	washed	wash	VBN
12787	2320	9	first	first	RB
12787	2320	10	with	with	IN
12787	2320	11	a	a	DT
12787	2320	12	dilute	dilute	NN
12787	2320	13	solution	solution	NN
12787	2320	14	of	of	IN
12787	2320	15	the	the	DT
12787	2320	16	phosphate	phosphate	NN
12787	2320	17	to	to	TO
12787	2320	18	prevent	prevent	VB
12787	2320	19	a	a	DT
12787	2320	20	slight	slight	JJ
12787	2320	21	decomposition	decomposition	NN
12787	2320	22	of	of	IN
12787	2320	23	the	the	DT
12787	2320	24	precipitate	precipitate	NN
12787	2320	25	(	(	-LRB-
12787	2320	26	as	as	IN
12787	2320	27	a	a	DT
12787	2320	28	result	result	NN
12787	2320	29	of	of	IN
12787	2320	30	hydrolysis	hydrolysis	NN
12787	2320	31	)	)	-RRB-
12787	2320	32	if	if	IN
12787	2320	33	hot	hot	JJ
12787	2320	34	water	water	NN
12787	2320	35	alone	alone	RB
12787	2320	36	is	be	VBZ
12787	2320	37	used	use	VBN
12787	2320	38	.	.	.
12787	2321	1	The	the	DT
12787	2321	2	alcohol	alcohol	NN
12787	2321	3	is	be	VBZ
12787	2321	4	added	add	VBN
12787	2321	5	to	to	IN
12787	2321	6	the	the	DT
12787	2321	7	final	final	JJ
12787	2321	8	wash	wash	NN
12787	2321	9	-	-	HYPH
12787	2321	10	water	water	NN
12787	2321	11	to	to	TO
12787	2321	12	promote	promote	VB
12787	2321	13	the	the	DT
12787	2321	14	subsequent	subsequent	JJ
12787	2321	15	drying	drying	NN
12787	2321	16	.	.	.
12787	2321	17	]	]	-RRB-
12787	2322	1	[	[	-LRB-
12787	2322	2	Note	note	NN
12787	2322	3	5	5	CD
12787	2322	4	:	:	:
12787	2322	5	The	the	DT
12787	2322	6	precipitate	precipitate	NN
12787	2322	7	may	may	MD
12787	2322	8	be	be	VB
12787	2322	9	ignited	ignite	VBN
12787	2322	10	and	and	CC
12787	2322	11	weighed	weigh	VBD
12787	2322	12	as	as	IN
12787	2322	13	Zn_{2}P_{2}O_{7	zn_{2}p_{2}o_{7	NN
12787	2322	14	}	}	-RRB-
12787	2322	15	,	,	,
12787	2322	16	by	by	IN
12787	2322	17	cautiously	cautiously	RB
12787	2322	18	heating	heat	VBG
12787	2322	19	the	the	DT
12787	2322	20	porcelain	porcelain	NN
12787	2322	21	Gooch	Gooch	NNP
12787	2322	22	crucible	crucible	NN
12787	2322	23	within	within	IN
12787	2322	24	a	a	DT
12787	2322	25	nickel	nickel	NN
12787	2322	26	or	or	CC
12787	2322	27	iron	iron	NN
12787	2322	28	crucible	crucible	NN
12787	2322	29	,	,	,
12787	2322	30	used	use	VBN
12787	2322	31	as	as	IN
12787	2322	32	a	a	DT
12787	2322	33	radiator	radiator	NN
12787	2322	34	.	.	.
12787	2323	1	The	the	DT
12787	2323	2	heating	heating	NN
12787	2323	3	must	must	MD
12787	2323	4	be	be	VB
12787	2323	5	very	very	RB
12787	2323	6	slow	slow	JJ
12787	2323	7	at	at	IN
12787	2323	8	first	first	RB
12787	2323	9	,	,	,
12787	2323	10	as	as	IN
12787	2323	11	the	the	DT
12787	2323	12	escaping	escape	VBG
12787	2323	13	ammonia	ammonia	NN
12787	2323	14	may	may	MD
12787	2323	15	reduce	reduce	VB
12787	2323	16	the	the	DT
12787	2323	17	precipitate	precipitate	NN
12787	2323	18	if	if	IN
12787	2323	19	it	-PRON-	PRP
12787	2323	20	is	be	VBZ
12787	2323	21	heated	heat	VBN
12787	2323	22	too	too	RB
12787	2323	23	quickly	quickly	RB
12787	2323	24	.	.	.
12787	2323	25	]	]	-RRB-
12787	2324	1	[	[	-LRB-
12787	2324	2	Note	note	NN
12787	2324	3	6	6	CD
12787	2324	4	:	:	:
12787	2324	5	If	if	IN
12787	2324	6	the	the	DT
12787	2324	7	ammonium	ammonium	NN
12787	2324	8	sulphide	sulphide	NN
12787	2324	9	produced	produce	VBD
12787	2324	10	a	a	DT
12787	2324	11	distinct	distinct	JJ
12787	2324	12	precipitate	precipitate	NN
12787	2324	13	,	,	,
12787	2324	14	this	this	DT
12787	2324	15	should	should	MD
12787	2324	16	be	be	VB
12787	2324	17	collected	collect	VBN
12787	2324	18	on	on	IN
12787	2324	19	a	a	DT
12787	2324	20	small	small	JJ
12787	2324	21	filter	filter	NN
12787	2324	22	,	,	,
12787	2324	23	dissolved	dissolve	VBN
12787	2324	24	in	in	IN
12787	2324	25	a	a	DT
12787	2324	26	few	few	JJ
12787	2324	27	cubic	cubic	JJ
12787	2324	28	centimeters	centimeter	NNS
12787	2324	29	of	of	IN
12787	2324	30	dilute	dilute	JJ
12787	2324	31	nitric	nitric	NN
12787	2324	32	acid	acid	NN
12787	2324	33	,	,	,
12787	2324	34	and	and	CC
12787	2324	35	the	the	DT
12787	2324	36	zinc	zinc	NN
12787	2324	37	reprecipitated	reprecipitate	VBD
12787	2324	38	as	as	IN
12787	2324	39	phosphate	phosphate	NN
12787	2324	40	,	,	,
12787	2324	41	filtered	filter	VBN
12787	2324	42	off	off	RP
12787	2324	43	,	,	,
12787	2324	44	dried	dry	VBN
12787	2324	45	,	,	,
12787	2324	46	and	and	CC
12787	2324	47	weighed	weigh	VBD
12787	2324	48	,	,	,
12787	2324	49	and	and	CC
12787	2324	50	the	the	DT
12787	2324	51	weight	weight	NN
12787	2324	52	added	add	VBD
12787	2324	53	to	to	IN
12787	2324	54	that	that	DT
12787	2324	55	of	of	IN
12787	2324	56	the	the	DT
12787	2324	57	main	main	JJ
12787	2324	58	precipitate	precipitate	NN
12787	2324	59	.	.	.
12787	2324	60	]	]	-RRB-
12787	2325	1	[	[	-LRB-
12787	2325	2	Note	note	NN
12787	2325	3	7	7	CD
12787	2325	4	:	:	:
12787	2325	5	It	-PRON-	PRP
12787	2325	6	has	have	VBZ
12787	2325	7	been	be	VBN
12787	2325	8	found	find	VBN
12787	2325	9	that	that	IN
12787	2325	10	some	some	DT
12787	2325	11	samples	sample	NNS
12787	2325	12	of	of	IN
12787	2325	13	asbestos	asbestos	NN
12787	2325	14	are	be	VBP
12787	2325	15	acted	act	VBN
12787	2325	16	upon	upon	IN
12787	2325	17	by	by	IN
12787	2325	18	the	the	DT
12787	2325	19	phosphate	phosphate	NN
12787	2325	20	solution	solution	NN
12787	2325	21	and	and	CC
12787	2325	22	lose	lose	VB
12787	2325	23	weight	weight	NN
12787	2325	24	.	.	.
12787	2326	1	An	an	DT
12787	2326	2	error	error	NN
12787	2326	3	from	from	IN
12787	2326	4	this	this	DT
12787	2326	5	source	source	NN
12787	2326	6	may	may	MD
12787	2326	7	be	be	VB
12787	2326	8	avoided	avoid	VBN
12787	2326	9	by	by	IN
12787	2326	10	determining	determine	VBG
12787	2326	11	the	the	DT
12787	2326	12	weight	weight	NN
12787	2326	13	of	of	IN
12787	2326	14	the	the	DT
12787	2326	15	crucible	crucible	NN
12787	2326	16	and	and	CC
12787	2326	17	filter	filter	NN
12787	2326	18	after	after	IN
12787	2326	19	weighing	weigh	VBG
12787	2326	20	the	the	DT
12787	2326	21	precipitate	precipitate	NN
12787	2326	22	.	.	.
12787	2327	1	For	for	IN
12787	2327	2	this	this	DT
12787	2327	3	purpose	purpose	NN
12787	2327	4	the	the	DT
12787	2327	5	precipitate	precipitate	NN
12787	2327	6	may	may	MD
12787	2327	7	be	be	VB
12787	2327	8	dissolved	dissolve	VBN
12787	2327	9	in	in	IN
12787	2327	10	dilute	dilute	JJ
12787	2327	11	nitric	nitric	JJ
12787	2327	12	acid	acid	NN
12787	2327	13	,	,	,
12787	2327	14	the	the	DT
12787	2327	15	asbestos	asbestos	NN
12787	2327	16	washed	wash	VBD
12787	2327	17	thoroughly	thoroughly	RB
12787	2327	18	,	,	,
12787	2327	19	and	and	CC
12787	2327	20	the	the	DT
12787	2327	21	crucible	crucible	NN
12787	2327	22	reweighed	reweighe	VBN
12787	2327	23	.	.	.
12787	2327	24	]	]	-RRB-
12787	2328	1	[	[	-LRB-
12787	2328	2	Note	note	NN
12787	2328	3	8	8	CD
12787	2328	4	.	.	.
12787	2329	1	The	the	DT
12787	2329	2	details	detail	NNS
12787	2329	3	of	of	IN
12787	2329	4	this	this	DT
12787	2329	5	method	method	NN
12787	2329	6	of	of	IN
12787	2329	7	precipitation	precipitation	NN
12787	2329	8	of	of	IN
12787	2329	9	zinc	zinc	NN
12787	2329	10	are	be	VBP
12787	2329	11	fully	fully	RB
12787	2329	12	discussed	discuss	VBN
12787	2329	13	in	in	IN
12787	2329	14	an	an	DT
12787	2329	15	article	article	NN
12787	2329	16	by	by	IN
12787	2329	17	Dakin	Dakin	NNP
12787	2329	18	,	,	,
12787	2329	19	!	!	.
12787	2329	20	Ztschr	Ztschr	NNP
12787	2329	21	.	.	.
12787	2330	1	Anal	anal	JJ
12787	2330	2	.	.	.
12787	2331	1	Chem	Chem	NNP
12787	2331	2	.	.	.
12787	2332	1	!	!	.
12787	2332	2	,	,	,
12787	2332	3	39	39	CD
12787	2332	4	(	(	-LRB-
12787	2332	5	1900	1900	CD
12787	2332	6	)	)	-RRB-
12787	2332	7	,	,	,
12787	2332	8	273	273	CD
12787	2332	9	.	.	.
12787	2332	10	]	]	-RRB-
12787	2333	1	DETERMINATION	determination	NN
12787	2333	2	OF	of	IN
12787	2333	3	SILICA	SILICA	NNP
12787	2333	4	IN	in	IN
12787	2333	5	SILICATES	silicate	NNS
12787	2333	6	Of	of	IN
12787	2333	7	the	the	DT
12787	2333	8	natural	natural	JJ
12787	2333	9	silicates	silicate	NNS
12787	2333	10	,	,	,
12787	2333	11	or	or	CC
12787	2333	12	artificial	artificial	JJ
12787	2333	13	silicates	silicate	NNS
12787	2333	14	such	such	JJ
12787	2333	15	as	as	IN
12787	2333	16	slags	slag	NNS
12787	2333	17	and	and	CC
12787	2333	18	some	some	DT
12787	2333	19	of	of	IN
12787	2333	20	the	the	DT
12787	2333	21	cements	cement	NNS
12787	2333	22	,	,	,
12787	2333	23	a	a	DT
12787	2333	24	comparatively	comparatively	RB
12787	2333	25	few	few	JJ
12787	2333	26	can	can	MD
12787	2333	27	be	be	VB
12787	2333	28	completely	completely	RB
12787	2333	29	decomposed	decompose	VBN
12787	2333	30	by	by	IN
12787	2333	31	treatment	treatment	NN
12787	2333	32	with	with	IN
12787	2333	33	acids	acid	NNS
12787	2333	34	,	,	,
12787	2333	35	but	but	CC
12787	2333	36	by	by	IN
12787	2333	37	far	far	RB
12787	2333	38	the	the	DT
12787	2333	39	larger	large	JJR
12787	2333	40	number	number	NN
12787	2333	41	require	require	VBP
12787	2333	42	fusion	fusion	NN
12787	2333	43	with	with	IN
12787	2333	44	an	an	DT
12787	2333	45	alkaline	alkaline	NN
12787	2333	46	flux	flux	NN
12787	2333	47	to	to	TO
12787	2333	48	effect	effect	VB
12787	2333	49	decomposition	decomposition	NN
12787	2333	50	and	and	CC
12787	2333	51	solution	solution	NN
12787	2333	52	for	for	IN
12787	2333	53	analysis	analysis	NN
12787	2333	54	.	.	.
12787	2334	1	The	the	DT
12787	2334	2	procedure	procedure	NN
12787	2334	3	given	give	VBN
12787	2334	4	below	below	IN
12787	2334	5	applies	applie	NNS
12787	2334	6	to	to	IN
12787	2334	7	silicates	silicate	NNS
12787	2334	8	undecomposable	undecomposable	JJ
12787	2334	9	by	by	IN
12787	2334	10	acids	acid	NNS
12787	2334	11	,	,	,
12787	2334	12	of	of	IN
12787	2334	13	which	which	WDT
12787	2334	14	the	the	DT
12787	2334	15	mineral	mineral	NN
12787	2334	16	feldspar	feldspar	NN
12787	2334	17	is	be	VBZ
12787	2334	18	taken	take	VBN
12787	2334	19	as	as	IN
12787	2334	20	a	a	DT
12787	2334	21	typical	typical	JJ
12787	2334	22	example	example	NN
12787	2334	23	.	.	.
12787	2335	1	Modifications	modification	NNS
12787	2335	2	of	of	IN
12787	2335	3	the	the	DT
12787	2335	4	procedure	procedure	NN
12787	2335	5	,	,	,
12787	2335	6	which	which	WDT
12787	2335	7	are	be	VBP
12787	2335	8	applicable	applicable	JJ
12787	2335	9	to	to	IN
12787	2335	10	silicates	silicate	NNS
12787	2335	11	which	which	WDT
12787	2335	12	are	be	VBP
12787	2335	13	completely	completely	RB
12787	2335	14	or	or	CC
12787	2335	15	partially	partially	RB
12787	2335	16	decomposable	decomposable	JJ
12787	2335	17	by	by	IN
12787	2335	18	acids	acid	NNS
12787	2335	19	,	,	,
12787	2335	20	are	be	VBP
12787	2335	21	given	give	VBN
12787	2335	22	in	in	IN
12787	2335	23	the	the	DT
12787	2335	24	Notes	Notes	NNPS
12787	2335	25	on	on	IN
12787	2335	26	page	page	NN
12787	2335	27	155	155	CD
12787	2335	28	.	.	.
12787	2336	1	PREPARATION	preparation	NN
12787	2336	2	OF	of	IN
12787	2336	3	THE	the	DT
12787	2336	4	SAMPLE	SAMPLE	NNP
12787	2336	5	Grind	Grind	NNP
12787	2336	6	about	about	RB
12787	2336	7	3	3	CD
12787	2336	8	grams	gram	NNS
12787	2336	9	of	of	IN
12787	2336	10	the	the	DT
12787	2336	11	mineral	mineral	NN
12787	2336	12	in	in	IN
12787	2336	13	an	an	DT
12787	2336	14	agate	agate	JJ
12787	2336	15	mortar	mortar	NN
12787	2336	16	(	(	-LRB-
12787	2336	17	Note	note	NN
12787	2336	18	1	1	CD
12787	2336	19	)	)	-RRB-
12787	2336	20	until	until	IN
12787	2336	21	no	no	DT
12787	2336	22	grittiness	grittiness	NN
12787	2336	23	is	be	VBZ
12787	2336	24	to	to	TO
12787	2336	25	be	be	VB
12787	2336	26	detected	detect	VBN
12787	2336	27	,	,	,
12787	2336	28	or	or	CC
12787	2336	29	,	,	,
12787	2336	30	better	well	JJR
12787	2336	31	,	,	,
12787	2336	32	until	until	IN
12787	2336	33	it	-PRON-	PRP
12787	2336	34	will	will	MD
12787	2336	35	entirely	entirely	RB
12787	2336	36	pass	pass	VB
12787	2336	37	through	through	RP
12787	2336	38	a	a	DT
12787	2336	39	sieve	sieve	NN
12787	2336	40	made	make	VBN
12787	2336	41	of	of	IN
12787	2336	42	fine	fine	JJ
12787	2336	43	silk	silk	NN
12787	2336	44	bolting	bolting	NN
12787	2336	45	cloth	cloth	NN
12787	2336	46	.	.	.
12787	2337	1	The	the	DT
12787	2337	2	sieve	sieve	NN
12787	2337	3	may	may	MD
12787	2337	4	be	be	VB
12787	2337	5	made	make	VBN
12787	2337	6	by	by	IN
12787	2337	7	placing	place	VBG
12787	2337	8	a	a	DT
12787	2337	9	piece	piece	NN
12787	2337	10	of	of	IN
12787	2337	11	the	the	DT
12787	2337	12	bolting	bolting	NN
12787	2337	13	cloth	cloth	NN
12787	2337	14	over	over	IN
12787	2337	15	the	the	DT
12787	2337	16	top	top	NN
12787	2337	17	of	of	IN
12787	2337	18	a	a	DT
12787	2337	19	small	small	JJ
12787	2337	20	beaker	beaker	NN
12787	2337	21	in	in	IN
12787	2337	22	which	which	WDT
12787	2337	23	the	the	DT
12787	2337	24	ground	ground	NN
12787	2337	25	mineral	mineral	NN
12787	2337	26	is	be	VBZ
12787	2337	27	placed	place	VBN
12787	2337	28	,	,	,
12787	2337	29	holding	hold	VBG
12787	2337	30	the	the	DT
12787	2337	31	cloth	cloth	NN
12787	2337	32	in	in	IN
12787	2337	33	place	place	NN
12787	2337	34	by	by	IN
12787	2337	35	means	mean	NNS
12787	2337	36	of	of	IN
12787	2337	37	a	a	DT
12787	2337	38	rubber	rubber	NN
12787	2337	39	band	band	NN
12787	2337	40	below	below	IN
12787	2337	41	the	the	DT
12787	2337	42	lip	lip	NN
12787	2337	43	of	of	IN
12787	2337	44	the	the	DT
12787	2337	45	beaker	beaker	NN
12787	2337	46	.	.	.
12787	2338	1	By	by	IN
12787	2338	2	inverting	invert	VBG
12787	2338	3	the	the	DT
12787	2338	4	beaker	beaker	NN
12787	2338	5	over	over	IN
12787	2338	6	clean	clean	JJ
12787	2338	7	paper	paper	NN
12787	2338	8	and	and	CC
12787	2338	9	gently	gently	RB
12787	2338	10	tapping	tap	VBG
12787	2338	11	it	-PRON-	PRP
12787	2338	12	,	,	,
12787	2338	13	the	the	DT
12787	2338	14	fine	fine	JJ
12787	2338	15	particles	particle	NNS
12787	2338	16	pass	pass	VBP
12787	2338	17	through	through	IN
12787	2338	18	the	the	DT
12787	2338	19	sieve	sieve	NN
12787	2338	20	,	,	,
12787	2338	21	leaving	leave	VBG
12787	2338	22	the	the	DT
12787	2338	23	coarser	coarser	NN
12787	2338	24	particles	particle	NNS
12787	2338	25	within	within	IN
12787	2338	26	the	the	DT
12787	2338	27	beaker	beaker	NN
12787	2338	28	.	.	.
12787	2339	1	These	these	DT
12787	2339	2	must	must	MD
12787	2339	3	be	be	VB
12787	2339	4	returned	return	VBN
12787	2339	5	to	to	IN
12787	2339	6	the	the	DT
12787	2339	7	mortar	mortar	NN
12787	2339	8	and	and	CC
12787	2339	9	ground	ground	NN
12787	2339	10	,	,	,
12787	2339	11	and	and	CC
12787	2339	12	the	the	DT
12787	2339	13	process	process	NN
12787	2339	14	of	of	IN
12787	2339	15	sifting	sift	VBG
12787	2339	16	and	and	CC
12787	2339	17	grinding	grind	VBG
12787	2339	18	repeated	repeat	VBN
12787	2339	19	until	until	IN
12787	2339	20	the	the	DT
12787	2339	21	entire	entire	JJ
12787	2339	22	sample	sample	NN
12787	2339	23	passes	pass	VBZ
12787	2339	24	through	through	IN
12787	2339	25	the	the	DT
12787	2339	26	sieve	sieve	NN
12787	2339	27	.	.	.
12787	2340	1	[	[	-LRB-
12787	2340	2	Note	note	NN
12787	2340	3	1	1	CD
12787	2340	4	:	:	:
12787	2340	5	If	if	IN
12787	2340	6	the	the	DT
12787	2340	7	sample	sample	NN
12787	2340	8	of	of	IN
12787	2340	9	feldspar	feldspar	NN
12787	2340	10	for	for	IN
12787	2340	11	analysis	analysis	NN
12787	2340	12	is	be	VBZ
12787	2340	13	in	in	IN
12787	2340	14	the	the	DT
12787	2340	15	massive	massive	JJ
12787	2340	16	or	or	CC
12787	2340	17	crystalline	crystalline	NN
12787	2340	18	form	form	NN
12787	2340	19	,	,	,
12787	2340	20	it	-PRON-	PRP
12787	2340	21	should	should	MD
12787	2340	22	be	be	VB
12787	2340	23	crushed	crush	VBN
12787	2340	24	in	in	IN
12787	2340	25	an	an	DT
12787	2340	26	iron	iron	NN
12787	2340	27	mortar	mortar	NN
12787	2340	28	until	until	IN
12787	2340	29	the	the	DT
12787	2340	30	pieces	piece	NNS
12787	2340	31	are	be	VBP
12787	2340	32	about	about	IN
12787	2340	33	half	half	PDT
12787	2340	34	the	the	DT
12787	2340	35	size	size	NN
12787	2340	36	of	of	IN
12787	2340	37	a	a	DT
12787	2340	38	pea	pea	NN
12787	2340	39	,	,	,
12787	2340	40	and	and	CC
12787	2340	41	then	then	RB
12787	2340	42	transferred	transfer	VBD
12787	2340	43	to	to	IN
12787	2340	44	a	a	DT
12787	2340	45	steel	steel	NN
12787	2340	46	mortar	mortar	NN
12787	2340	47	,	,	,
12787	2340	48	in	in	IN
12787	2340	49	which	which	WDT
12787	2340	50	they	-PRON-	PRP
12787	2340	51	are	be	VBP
12787	2340	52	reduced	reduce	VBN
12787	2340	53	to	to	IN
12787	2340	54	a	a	DT
12787	2340	55	coarse	coarse	JJ
12787	2340	56	powder	powder	NN
12787	2340	57	.	.	.
12787	2341	1	A	a	DT
12787	2341	2	wooden	wooden	JJ
12787	2341	3	mallet	mallet	NN
12787	2341	4	should	should	MD
12787	2341	5	always	always	RB
12787	2341	6	be	be	VB
12787	2341	7	used	use	VBN
12787	2341	8	to	to	TO
12787	2341	9	strike	strike	VB
12787	2341	10	the	the	DT
12787	2341	11	pestle	pestle	NN
12787	2341	12	of	of	IN
12787	2341	13	the	the	DT
12787	2341	14	steel	steel	NN
12787	2341	15	mortar	mortar	NN
12787	2341	16	,	,	,
12787	2341	17	and	and	CC
12787	2341	18	the	the	DT
12787	2341	19	blows	blow	NNS
12787	2341	20	should	should	MD
12787	2341	21	not	not	RB
12787	2341	22	be	be	VB
12787	2341	23	sharp	sharp	JJ
12787	2341	24	.	.	.
12787	2342	1	It	-PRON-	PRP
12787	2342	2	is	be	VBZ
12787	2342	3	plain	plain	JJ
12787	2342	4	that	that	IN
12787	2342	5	final	final	JJ
12787	2342	6	grinding	grinding	NN
12787	2342	7	in	in	IN
12787	2342	8	an	an	DT
12787	2342	9	agate	agate	NN
12787	2342	10	mortar	mortar	NN
12787	2342	11	must	must	MD
12787	2342	12	be	be	VB
12787	2342	13	continued	continue	VBN
12787	2342	14	until	until	IN
12787	2342	15	the	the	DT
12787	2342	16	whole	whole	NN
12787	2342	17	of	of	IN
12787	2342	18	the	the	DT
12787	2342	19	portion	portion	NN
12787	2342	20	of	of	IN
12787	2342	21	the	the	DT
12787	2342	22	mineral	mineral	NN
12787	2342	23	originally	originally	RB
12787	2342	24	taken	take	VBN
12787	2342	25	has	have	VBZ
12787	2342	26	been	be	VBN
12787	2342	27	ground	grind	VBN
12787	2342	28	so	so	IN
12787	2342	29	that	that	IN
12787	2342	30	it	-PRON-	PRP
12787	2342	31	will	will	MD
12787	2342	32	pass	pass	VB
12787	2342	33	the	the	DT
12787	2342	34	bolting	bolting	NN
12787	2342	35	cloth	cloth	NN
12787	2342	36	,	,	,
12787	2342	37	otherwise	otherwise	RB
12787	2342	38	the	the	DT
12787	2342	39	sifted	sift	VBN
12787	2342	40	portion	portion	NN
12787	2342	41	does	do	VBZ
12787	2342	42	not	not	RB
12787	2342	43	represent	represent	VB
12787	2342	44	an	an	DT
12787	2342	45	average	average	JJ
12787	2342	46	sample	sample	NN
12787	2342	47	,	,	,
12787	2342	48	the	the	DT
12787	2342	49	softer	soft	JJR
12787	2342	50	ingredients	ingredient	NNS
12787	2342	51	,	,	,
12787	2342	52	if	if	IN
12787	2342	53	foreign	foreign	JJ
12787	2342	54	matter	matter	NN
12787	2342	55	is	be	VBZ
12787	2342	56	present	present	JJ
12787	2342	57	,	,	,
12787	2342	58	being	be	VBG
12787	2342	59	first	first	RB
12787	2342	60	reduced	reduce	VBN
12787	2342	61	to	to	IN
12787	2342	62	powder	powder	NN
12787	2342	63	.	.	.
12787	2343	1	For	for	IN
12787	2343	2	this	this	DT
12787	2343	3	reason	reason	NN
12787	2343	4	it	-PRON-	PRP
12787	2343	5	is	be	VBZ
12787	2343	6	best	good	JJS
12787	2343	7	to	to	TO
12787	2343	8	start	start	VB
12787	2343	9	with	with	IN
12787	2343	10	not	not	RB
12787	2343	11	more	more	JJR
12787	2343	12	than	than	IN
12787	2343	13	the	the	DT
12787	2343	14	quantity	quantity	NN
12787	2343	15	of	of	IN
12787	2343	16	the	the	DT
12787	2343	17	feldspar	feldspar	NN
12787	2343	18	needed	need	VBN
12787	2343	19	for	for	IN
12787	2343	20	analysis	analysis	NN
12787	2343	21	.	.	.
12787	2344	1	The	the	DT
12787	2344	2	mineral	mineral	NN
12787	2344	3	must	must	MD
12787	2344	4	be	be	VB
12787	2344	5	thoroughly	thoroughly	RB
12787	2344	6	mixed	mix	VBN
12787	2344	7	after	after	IN
12787	2344	8	the	the	DT
12787	2344	9	grinding	grinding	NN
12787	2344	10	.	.	.
12787	2344	11	]	]	-RRB-
12787	2345	1	FUSION	fusion	NN
12787	2345	2	AND	and	CC
12787	2345	3	SOLUTION	solution	NN
12787	2345	4	PROCEDURE.--Weigh	procedure.--weigh	NN
12787	2345	5	into	into	IN
12787	2345	6	platinum	platinum	NN
12787	2345	7	crucibles	crucible	NNS
12787	2345	8	two	two	CD
12787	2345	9	portions	portion	NNS
12787	2345	10	of	of	IN
12787	2345	11	the	the	DT
12787	2345	12	ground	ground	NN
12787	2345	13	feldspar	feldspar	NN
12787	2345	14	of	of	IN
12787	2345	15	about	about	RB
12787	2345	16	0.8	0.8	CD
12787	2345	17	gram	gram	NN
12787	2345	18	each	each	DT
12787	2345	19	.	.	.
12787	2346	1	Weigh	weigh	VB
12787	2346	2	on	on	IN
12787	2346	3	rough	rough	JJ
12787	2346	4	balances	balance	NNS
12787	2346	5	two	two	CD
12787	2346	6	portions	portion	NNS
12787	2346	7	of	of	IN
12787	2346	8	anhydrous	anhydrous	JJ
12787	2346	9	sodium	sodium	NN
12787	2346	10	carbonate	carbonate	NN
12787	2346	11	,	,	,
12787	2346	12	each	each	DT
12787	2346	13	amounting	amount	VBG
12787	2346	14	to	to	IN
12787	2346	15	about	about	RB
12787	2346	16	six	six	CD
12787	2346	17	times	time	NNS
12787	2346	18	the	the	DT
12787	2346	19	weight	weight	NN
12787	2346	20	of	of	IN
12787	2346	21	the	the	DT
12787	2346	22	feldspar	feldspar	NN
12787	2346	23	taken	take	VBN
12787	2346	24	for	for	IN
12787	2346	25	analysis	analysis	NN
12787	2346	26	(	(	-LRB-
12787	2346	27	Note	note	NN
12787	2346	28	1	1	CD
12787	2346	29	)	)	-RRB-
12787	2346	30	.	.	.
12787	2347	1	Pour	pour	VB
12787	2347	2	about	about	IN
12787	2347	3	three	three	CD
12787	2347	4	fourths	fourth	NNS
12787	2347	5	of	of	IN
12787	2347	6	the	the	DT
12787	2347	7	sodium	sodium	NN
12787	2347	8	carbonate	carbonate	NN
12787	2347	9	into	into	IN
12787	2347	10	the	the	DT
12787	2347	11	crucible	crucible	NN
12787	2347	12	,	,	,
12787	2347	13	place	place	VB
12787	2347	14	the	the	DT
12787	2347	15	latter	latter	NN
12787	2347	16	on	on	IN
12787	2347	17	a	a	DT
12787	2347	18	piece	piece	NN
12787	2347	19	of	of	IN
12787	2347	20	clean	clean	JJ
12787	2347	21	,	,	,
12787	2347	22	glazed	glazed	JJ
12787	2347	23	paper	paper	NN
12787	2347	24	,	,	,
12787	2347	25	and	and	CC
12787	2347	26	thoroughly	thoroughly	RB
12787	2347	27	mix	mix	VBP
12787	2347	28	the	the	DT
12787	2347	29	substance	substance	NN
12787	2347	30	and	and	CC
12787	2347	31	the	the	DT
12787	2347	32	flux	flux	NN
12787	2347	33	by	by	IN
12787	2347	34	carefully	carefully	RB
12787	2347	35	stirring	stir	VBG
12787	2347	36	for	for	IN
12787	2347	37	several	several	JJ
12787	2347	38	minutes	minute	NNS
12787	2347	39	with	with	IN
12787	2347	40	a	a	DT
12787	2347	41	dry	dry	JJ
12787	2347	42	glass	glass	NN
12787	2347	43	rod	rod	NN
12787	2347	44	,	,	,
12787	2347	45	the	the	DT
12787	2347	46	end	end	NN
12787	2347	47	of	of	IN
12787	2347	48	which	which	WDT
12787	2347	49	has	have	VBZ
12787	2347	50	been	be	VBN
12787	2347	51	recently	recently	RB
12787	2347	52	heated	heat	VBN
12787	2347	53	and	and	CC
12787	2347	54	rounded	round	VBN
12787	2347	55	in	in	IN
12787	2347	56	a	a	DT
12787	2347	57	flame	flame	NN
12787	2347	58	and	and	CC
12787	2347	59	slowly	slowly	RB
12787	2347	60	cooled	cool	VBD
12787	2347	61	.	.	.
12787	2348	1	The	the	DT
12787	2348	2	rod	rod	NN
12787	2348	3	may	may	MD
12787	2348	4	be	be	VB
12787	2348	5	wiped	wipe	VBN
12787	2348	6	off	off	RP
12787	2348	7	with	with	IN
12787	2348	8	a	a	DT
12787	2348	9	small	small	JJ
12787	2348	10	fragment	fragment	NN
12787	2348	11	of	of	IN
12787	2348	12	filter	filter	NN
12787	2348	13	paper	paper	NN
12787	2348	14	,	,	,
12787	2348	15	which	which	WDT
12787	2348	16	may	may	MD
12787	2348	17	be	be	VB
12787	2348	18	placed	place	VBN
12787	2348	19	in	in	IN
12787	2348	20	the	the	DT
12787	2348	21	crucible	crucible	NN
12787	2348	22	.	.	.
12787	2349	1	Place	place	VB
12787	2349	2	the	the	DT
12787	2349	3	remaining	remain	VBG
12787	2349	4	fourth	fourth	RB
12787	2349	5	of	of	IN
12787	2349	6	the	the	DT
12787	2349	7	carbonate	carbonate	NN
12787	2349	8	on	on	IN
12787	2349	9	the	the	DT
12787	2349	10	top	top	NN
12787	2349	11	of	of	IN
12787	2349	12	the	the	DT
12787	2349	13	mixture	mixture	NN
12787	2349	14	.	.	.
12787	2350	1	Cover	cover	VB
12787	2350	2	the	the	DT
12787	2350	3	crucible	crucible	NN
12787	2350	4	,	,	,
12787	2350	5	heat	heat	VB
12787	2350	6	it	-PRON-	PRP
12787	2350	7	to	to	IN
12787	2350	8	dull	dull	JJ
12787	2350	9	redness	redness	NN
12787	2350	10	for	for	IN
12787	2350	11	five	five	CD
12787	2350	12	minutes	minute	NNS
12787	2350	13	,	,	,
12787	2350	14	and	and	CC
12787	2350	15	then	then	RB
12787	2350	16	gradually	gradually	RB
12787	2350	17	increase	increase	VB
12787	2350	18	the	the	DT
12787	2350	19	heat	heat	NN
12787	2350	20	to	to	IN
12787	2350	21	the	the	DT
12787	2350	22	full	full	JJ
12787	2350	23	capacity	capacity	NN
12787	2350	24	of	of	IN
12787	2350	25	a	a	DT
12787	2350	26	Bunsen	Bunsen	NNP
12787	2350	27	or	or	CC
12787	2350	28	Tirrill	Tirrill	NNP
12787	2350	29	burner	burner	NN
12787	2350	30	for	for	IN
12787	2350	31	twenty	twenty	CD
12787	2350	32	minutes	minute	NNS
12787	2350	33	,	,	,
12787	2350	34	or	or	CC
12787	2350	35	until	until	IN
12787	2350	36	a	a	DT
12787	2350	37	quiet	quiet	JJ
12787	2350	38	,	,	,
12787	2350	39	liquid	liquid	JJ
12787	2350	40	fusion	fusion	NN
12787	2350	41	is	be	VBZ
12787	2350	42	obtained	obtain	VBN
12787	2350	43	(	(	-LRB-
12787	2350	44	Note	note	NN
12787	2350	45	2	2	CD
12787	2350	46	)	)	-RRB-
12787	2350	47	.	.	.
12787	2351	1	Finally	finally	RB
12787	2351	2	,	,	,
12787	2351	3	heat	heat	VB
12787	2351	4	the	the	DT
12787	2351	5	sides	side	NNS
12787	2351	6	and	and	CC
12787	2351	7	cover	cover	VB
12787	2351	8	strongly	strongly	RB
12787	2351	9	until	until	IN
12787	2351	10	any	any	DT
12787	2351	11	material	material	NN
12787	2351	12	which	which	WDT
12787	2351	13	may	may	MD
12787	2351	14	have	have	VB
12787	2351	15	collected	collect	VBN
12787	2351	16	upon	upon	IN
12787	2351	17	them	-PRON-	PRP
12787	2351	18	is	be	VBZ
12787	2351	19	also	also	RB
12787	2351	20	brought	bring	VBN
12787	2351	21	to	to	IN
12787	2351	22	fusion	fusion	NN
12787	2351	23	.	.	.
12787	2352	1	Allow	allow	VB
12787	2352	2	the	the	DT
12787	2352	3	crucible	crucible	NN
12787	2352	4	to	to	TO
12787	2352	5	cool	cool	JJ
12787	2352	6	,	,	,
12787	2352	7	and	and	CC
12787	2352	8	remove	remove	VB
12787	2352	9	the	the	DT
12787	2352	10	fused	fuse	VBN
12787	2352	11	mass	mass	NN
12787	2352	12	as	as	IN
12787	2352	13	directed	direct	VBN
12787	2352	14	on	on	IN
12787	2352	15	page	page	NN
12787	2352	16	116	116	CD
12787	2352	17	.	.	.
12787	2353	1	Disintegrate	disintegrate	VB
12787	2353	2	the	the	DT
12787	2353	3	mass	mass	NN
12787	2353	4	by	by	IN
12787	2353	5	placing	place	VBG
12787	2353	6	it	-PRON-	PRP
12787	2353	7	in	in	IN
12787	2353	8	a	a	DT
12787	2353	9	previously	previously	RB
12787	2353	10	prepared	prepare	VBN
12787	2353	11	mixture	mixture	NN
12787	2353	12	of	of	IN
12787	2353	13	100	100	CD
12787	2353	14	cc	cc	NN
12787	2353	15	.	.	.
12787	2354	1	of	of	IN
12787	2354	2	water	water	NN
12787	2354	3	and	and	CC
12787	2354	4	50	50	CD
12787	2354	5	cc	cc	NN
12787	2354	6	.	.	.
12787	2355	1	of	of	IN
12787	2355	2	dilute	dilute	NNP
12787	2355	3	hydrochloric	hydrochloric	NNP
12787	2355	4	acid	acid	NNP
12787	2355	5	(	(	-LRB-
12787	2355	6	sp	sp	NNP
12787	2355	7	.	.	.
12787	2356	1	gr	gr	NNP
12787	2356	2	.	.	.
12787	2357	1	1.12	1.12	CD
12787	2357	2	)	)	-RRB-
12787	2357	3	in	in	IN
12787	2357	4	a	a	DT
12787	2357	5	covered	covered	JJ
12787	2357	6	casserole	casserole	NN
12787	2357	7	(	(	-LRB-
12787	2357	8	Note	note	NN
12787	2357	9	3	3	CD
12787	2357	10	)	)	-RRB-
12787	2357	11	.	.	.
12787	2358	1	Clean	clean	VB
12787	2358	2	the	the	DT
12787	2358	3	crucible	crucible	JJ
12787	2358	4	and	and	CC
12787	2358	5	lid	lid	NN
12787	2358	6	by	by	IN
12787	2358	7	means	mean	NNS
12787	2358	8	of	of	IN
12787	2358	9	a	a	DT
12787	2358	10	little	little	JJ
12787	2358	11	hydrochloric	hydrochloric	JJ
12787	2358	12	acid	acid	NN
12787	2358	13	,	,	,
12787	2358	14	adding	add	VBG
12787	2358	15	this	this	DT
12787	2358	16	acid	acid	NN
12787	2358	17	to	to	IN
12787	2358	18	the	the	DT
12787	2358	19	main	main	JJ
12787	2358	20	solution	solution	NN
12787	2358	21	(	(	-LRB-
12787	2358	22	Notes	note	NNS
12787	2358	23	4	4	CD
12787	2358	24	and	and	CC
12787	2358	25	5	5	CD
12787	2358	26	)	)	-RRB-
12787	2358	27	.	.	.
12787	2359	1	[	[	-LRB-
12787	2359	2	Note	note	NN
12787	2359	3	1	1	CD
12787	2359	4	:	:	:
12787	2359	5	Quartz	quartz	NN
12787	2359	6	,	,	,
12787	2359	7	and	and	CC
12787	2359	8	minerals	mineral	NNS
12787	2359	9	containing	contain	VBG
12787	2359	10	very	very	RB
12787	2359	11	high	high	JJ
12787	2359	12	percentages	percentage	NNS
12787	2359	13	of	of	IN
12787	2359	14	silica	silica	NN
12787	2359	15	,	,	,
12787	2359	16	may	may	MD
12787	2359	17	require	require	VB
12787	2359	18	eight	eight	CD
12787	2359	19	or	or	CC
12787	2359	20	ten	ten	CD
12787	2359	21	parts	part	NNS
12787	2359	22	by	by	IN
12787	2359	23	weight	weight	NN
12787	2359	24	of	of	IN
12787	2359	25	the	the	DT
12787	2359	26	flux	flux	NN
12787	2359	27	to	to	TO
12787	2359	28	insure	insure	VB
12787	2359	29	a	a	DT
12787	2359	30	satisfactory	satisfactory	JJ
12787	2359	31	decomposition	decomposition	NN
12787	2359	32	.	.	.
12787	2359	33	]	]	-RRB-
12787	2360	1	[	[	-LRB-
12787	2360	2	Note	note	NN
12787	2360	3	2	2	CD
12787	2360	4	:	:	:
12787	2360	5	During	during	IN
12787	2360	6	the	the	DT
12787	2360	7	fusion	fusion	NN
12787	2360	8	the	the	DT
12787	2360	9	feldspar	feldspar	NN
12787	2360	10	,	,	,
12787	2360	11	which	which	WDT
12787	2360	12	,	,	,
12787	2360	13	when	when	WRB
12787	2360	14	pure	pure	JJ
12787	2360	15	,	,	,
12787	2360	16	is	be	VBZ
12787	2360	17	a	a	DT
12787	2360	18	silicate	silicate	NN
12787	2360	19	of	of	IN
12787	2360	20	aluminium	aluminium	NN
12787	2360	21	and	and	CC
12787	2360	22	either	either	CC
12787	2360	23	sodium	sodium	NN
12787	2360	24	or	or	CC
12787	2360	25	potassium	potassium	NN
12787	2360	26	,	,	,
12787	2360	27	but	but	CC
12787	2360	28	usually	usually	RB
12787	2360	29	contains	contain	VBZ
12787	2360	30	some	some	DT
12787	2360	31	iron	iron	NN
12787	2360	32	,	,	,
12787	2360	33	calcium	calcium	NN
12787	2360	34	,	,	,
12787	2360	35	and	and	CC
12787	2360	36	magnesium	magnesium	NN
12787	2360	37	,	,	,
12787	2360	38	is	be	VBZ
12787	2360	39	decomposed	decompose	VBN
12787	2360	40	by	by	IN
12787	2360	41	the	the	DT
12787	2360	42	alkaline	alkaline	NN
12787	2360	43	flux	flux	NN
12787	2360	44	.	.	.
12787	2361	1	The	the	DT
12787	2361	2	sodium	sodium	NN
12787	2361	3	of	of	IN
12787	2361	4	the	the	DT
12787	2361	5	latter	latter	JJ
12787	2361	6	combines	combine	VBZ
12787	2361	7	with	with	IN
12787	2361	8	the	the	DT
12787	2361	9	silicic	silicic	NN
12787	2361	10	acid	acid	NN
12787	2361	11	of	of	IN
12787	2361	12	the	the	DT
12787	2361	13	silicate	silicate	NN
12787	2361	14	,	,	,
12787	2361	15	with	with	IN
12787	2361	16	the	the	DT
12787	2361	17	evolution	evolution	NN
12787	2361	18	of	of	IN
12787	2361	19	carbon	carbon	NN
12787	2361	20	dioxide	dioxide	NN
12787	2361	21	,	,	,
12787	2361	22	while	while	IN
12787	2361	23	about	about	RB
12787	2361	24	two	two	CD
12787	2361	25	thirds	third	NNS
12787	2361	26	of	of	IN
12787	2361	27	the	the	DT
12787	2361	28	aluminium	aluminium	NN
12787	2361	29	forms	form	NNS
12787	2361	30	sodium	sodium	NN
12787	2361	31	aluminate	aluminate	RB
12787	2361	32	and	and	CC
12787	2361	33	the	the	DT
12787	2361	34	remainder	remainder	NN
12787	2361	35	is	be	VBZ
12787	2361	36	converted	convert	VBN
12787	2361	37	into	into	IN
12787	2361	38	basic	basic	JJ
12787	2361	39	carbonate	carbonate	NN
12787	2361	40	,	,	,
12787	2361	41	or	or	CC
12787	2361	42	the	the	DT
12787	2361	43	oxide	oxide	NN
12787	2361	44	.	.	.
12787	2362	1	The	the	DT
12787	2362	2	calcium	calcium	NN
12787	2362	3	and	and	CC
12787	2362	4	magnesium	magnesium	NN
12787	2362	5	,	,	,
12787	2362	6	if	if	IN
12787	2362	7	present	present	JJ
12787	2362	8	,	,	,
12787	2362	9	are	be	VBP
12787	2362	10	changed	change	VBN
12787	2362	11	to	to	IN
12787	2362	12	carbonates	carbonate	NNS
12787	2362	13	or	or	CC
12787	2362	14	oxides	oxide	NNS
12787	2362	15	.	.	.
12787	2363	1	The	the	DT
12787	2363	2	heat	heat	NN
12787	2363	3	is	be	VBZ
12787	2363	4	applied	apply	VBN
12787	2363	5	gently	gently	RB
12787	2363	6	to	to	TO
12787	2363	7	prevent	prevent	VB
12787	2363	8	a	a	DT
12787	2363	9	too	too	RB
12787	2363	10	violent	violent	JJ
12787	2363	11	reaction	reaction	NN
12787	2363	12	when	when	WRB
12787	2363	13	fusion	fusion	NN
12787	2363	14	first	first	RB
12787	2363	15	takes	take	VBZ
12787	2363	16	place	place	NN
12787	2363	17	.	.	.
12787	2363	18	]	]	-RRB-
12787	2364	1	[	[	-LRB-
12787	2364	2	Note	note	NN
12787	2364	3	3	3	CD
12787	2364	4	:	:	:
12787	2364	5	The	the	DT
12787	2364	6	solution	solution	NN
12787	2364	7	of	of	IN
12787	2364	8	a	a	DT
12787	2364	9	silicate	silicate	NN
12787	2364	10	by	by	IN
12787	2364	11	a	a	DT
12787	2364	12	strong	strong	JJ
12787	2364	13	acid	acid	NN
12787	2364	14	is	be	VBZ
12787	2364	15	the	the	DT
12787	2364	16	result	result	NN
12787	2364	17	of	of	IN
12787	2364	18	the	the	DT
12787	2364	19	combination	combination	NN
12787	2364	20	of	of	IN
12787	2364	21	the	the	DT
12787	2364	22	H^{+	H^{+	NNP
12787	2364	23	}	}	-RRB-
12787	2364	24	ions	ion	NNS
12787	2364	25	of	of	IN
12787	2364	26	the	the	DT
12787	2364	27	acid	acid	NN
12787	2364	28	and	and	CC
12787	2364	29	the	the	DT
12787	2364	30	silicate	silicate	JJ
12787	2364	31	ions	ion	NNS
12787	2364	32	of	of	IN
12787	2364	33	the	the	DT
12787	2364	34	silicate	silicate	NN
12787	2364	35	to	to	TO
12787	2364	36	form	form	VB
12787	2364	37	a	a	DT
12787	2364	38	slightly	slightly	RB
12787	2364	39	ionized	ionized	JJ
12787	2364	40	silicic	silicic	NN
12787	2364	41	acid	acid	NN
12787	2364	42	.	.	.
12787	2365	1	As	as	IN
12787	2365	2	a	a	DT
12787	2365	3	consequence	consequence	NN
12787	2365	4	,	,	,
12787	2365	5	the	the	DT
12787	2365	6	concentration	concentration	NN
12787	2365	7	of	of	IN
12787	2365	8	the	the	DT
12787	2365	9	silicate	silicate	JJ
12787	2365	10	ions	ion	NNS
12787	2365	11	in	in	IN
12787	2365	12	the	the	DT
12787	2365	13	solution	solution	NN
12787	2365	14	is	be	VBZ
12787	2365	15	reduced	reduce	VBN
12787	2365	16	nearly	nearly	RB
12787	2365	17	to	to	IN
12787	2365	18	zero	zero	CD
12787	2365	19	,	,	,
12787	2365	20	and	and	CC
12787	2365	21	more	more	RBR
12787	2365	22	silicate	silicate	NN
12787	2365	23	dissolves	dissolve	NNS
12787	2365	24	to	to	TO
12787	2365	25	re	re	VB
12787	2365	26	-	-	VB
12787	2365	27	establish	establish	VB
12787	2365	28	the	the	DT
12787	2365	29	disturbed	disturbed	JJ
12787	2365	30	equilibrium	equilibrium	NN
12787	2365	31	.	.	.
12787	2366	1	This	this	DT
12787	2366	2	process	process	NN
12787	2366	3	repeats	repeat	VBZ
12787	2366	4	itself	-PRON-	PRP
12787	2366	5	until	until	IN
12787	2366	6	all	all	DT
12787	2366	7	of	of	IN
12787	2366	8	the	the	DT
12787	2366	9	silicate	silicate	NN
12787	2366	10	is	be	VBZ
12787	2366	11	brought	bring	VBN
12787	2366	12	into	into	IN
12787	2366	13	solution	solution	NN
12787	2366	14	.	.	.
12787	2367	1	Whether	whether	IN
12787	2367	2	the	the	DT
12787	2367	3	resulting	result	VBG
12787	2367	4	solution	solution	NN
12787	2367	5	of	of	IN
12787	2367	6	the	the	DT
12787	2367	7	silicate	silicate	NN
12787	2367	8	contains	contain	VBZ
12787	2367	9	ortho	ortho	JJ
12787	2367	10	-	-	HYPH
12787	2367	11	silicic	silicic	NN
12787	2367	12	acid	acid	NN
12787	2367	13	(	(	-LRB-
12787	2367	14	H_{4}SiO_{4	H_{4}SiO_{4	NNP
12787	2367	15	}	}	-RRB-
12787	2367	16	)	)	-RRB-
12787	2367	17	or	or	CC
12787	2367	18	whether	whether	IN
12787	2367	19	it	-PRON-	PRP
12787	2367	20	is	be	VBZ
12787	2367	21	a	a	DT
12787	2367	22	colloidal	colloidal	JJ
12787	2367	23	solution	solution	NN
12787	2367	24	of	of	IN
12787	2367	25	some	some	DT
12787	2367	26	other	other	JJ
12787	2367	27	less	less	RBR
12787	2367	28	hydrated	hydrated	JJ
12787	2367	29	acid	acid	NN
12787	2367	30	,	,	,
12787	2367	31	such	such	JJ
12787	2367	32	as	as	IN
12787	2367	33	meta	meta	JJ
12787	2367	34	-	-	HYPH
12787	2367	35	silicic	silicic	NN
12787	2367	36	acid	acid	NN
12787	2367	37	(	(	-LRB-
12787	2367	38	H_{2}SiO_{3	H_{2}SiO_{3	NNP
12787	2367	39	}	}	-RRB-
12787	2367	40	)	)	-RRB-
12787	2367	41	,	,	,
12787	2367	42	is	be	VBZ
12787	2367	43	a	a	DT
12787	2367	44	matter	matter	NN
12787	2367	45	that	that	WDT
12787	2367	46	is	be	VBZ
12787	2367	47	still	still	RB
12787	2367	48	debatable	debatable	JJ
12787	2367	49	.	.	.
12787	2368	1	It	-PRON-	PRP
12787	2368	2	is	be	VBZ
12787	2368	3	certain	certain	JJ
12787	2368	4	,	,	,
12787	2368	5	however	however	RB
12787	2368	6	,	,	,
12787	2368	7	that	that	IN
12787	2368	8	the	the	DT
12787	2368	9	gelatinous	gelatinous	JJ
12787	2368	10	material	material	NN
12787	2368	11	which	which	WDT
12787	2368	12	readily	readily	RB
12787	2368	13	separates	separate	VBZ
12787	2368	14	from	from	IN
12787	2368	15	such	such	JJ
12787	2368	16	solutions	solution	NNS
12787	2368	17	is	be	VBZ
12787	2368	18	of	of	IN
12787	2368	19	the	the	DT
12787	2368	20	nature	nature	NN
12787	2368	21	of	of	IN
12787	2368	22	a	a	DT
12787	2368	23	hydrogel	hydrogel	NN
12787	2368	24	,	,	,
12787	2368	25	that	that	RB
12787	2368	26	is	is	RB
12787	2368	27	,	,	,
12787	2368	28	a	a	DT
12787	2368	29	colloid	colloid	NN
12787	2368	30	which	which	WDT
12787	2368	31	is	be	VBZ
12787	2368	32	insoluble	insoluble	JJ
12787	2368	33	in	in	IN
12787	2368	34	water	water	NN
12787	2368	35	.	.	.
12787	2369	1	This	this	DT
12787	2369	2	substance	substance	NN
12787	2369	3	when	when	WRB
12787	2369	4	heated	heat	VBD
12787	2369	5	to	to	IN
12787	2369	6	100Â	100â	CD
12787	2369	7	°	°	,
12787	2369	8	C	C	NNP
12787	2369	9	.	.	NNP
12787	2369	10	,	,	,
12787	2369	11	or	or	CC
12787	2369	12	higher	high	JJR
12787	2369	13	,	,	,
12787	2369	14	is	be	VBZ
12787	2369	15	completely	completely	RB
12787	2369	16	dehydrated	dehydrate	VBN
12787	2369	17	,	,	,
12787	2369	18	leaving	leave	VBG
12787	2369	19	only	only	RB
12787	2369	20	the	the	DT
12787	2369	21	anhydride	anhydride	NN
12787	2369	22	,	,	,
12787	2369	23	SiO_{2	SiO_{2	NNP
12787	2369	24	}	}	-RRB-
12787	2369	25	.	.	.
12787	2370	1	The	the	DT
12787	2370	2	changes	change	NNS
12787	2370	3	may	may	MD
12787	2370	4	be	be	VB
12787	2370	5	represented	represent	VBN
12787	2370	6	by	by	IN
12787	2370	7	the	the	DT
12787	2370	8	equation	equation	NN
12787	2370	9	:	:	:
12787	2370	10	SiO_{3}^{--	SiO_{3}^{--	NNP
12787	2370	11	}	}	-RRB-
12787	2370	12	+	+	NNP
12787	2370	13	2H^{+	2H^{+	NNP
12787	2370	14	}	}	-RRB-
12787	2370	15	--	--	:
12787	2370	16	>	>	XX
12787	2370	17	[	[	-LRB-
12787	2370	18	H_{2}SiO_{3	H_{2}SiO_{3	NNP
12787	2370	19	}	}	-RRB-
12787	2370	20	]	]	-RRB-
12787	2370	21	--	--	:
12787	2370	22	>	>	XX
12787	2370	23	H_{2}O	h_{2}o	NN
12787	2370	24	+	+	NNP
12787	2370	25	SiO_{2	SiO_{2	NNP
12787	2370	26	}	}	-RRB-
12787	2370	27	.	.	.
12787	2370	28	]	]	-RRB-
12787	2371	1	[	[	-LRB-
12787	2371	2	Note	note	NN
12787	2371	3	4	4	CD
12787	2371	4	:	:	:
12787	2371	5	A	a	DT
12787	2371	6	portion	portion	NN
12787	2371	7	of	of	IN
12787	2371	8	the	the	DT
12787	2371	9	fused	fuse	VBN
12787	2371	10	mass	mass	NN
12787	2371	11	is	be	VBZ
12787	2371	12	usually	usually	RB
12787	2371	13	projected	project	VBN
12787	2371	14	upward	upward	RB
12787	2371	15	by	by	IN
12787	2371	16	the	the	DT
12787	2371	17	escaping	escape	VBG
12787	2371	18	carbon	carbon	NN
12787	2371	19	dioxide	dioxide	NN
12787	2371	20	during	during	IN
12787	2371	21	the	the	DT
12787	2371	22	fusion	fusion	NN
12787	2371	23	.	.	.
12787	2372	1	The	the	DT
12787	2372	2	crucible	crucible	NN
12787	2372	3	must	must	MD
12787	2372	4	therefore	therefore	RB
12787	2372	5	be	be	VB
12787	2372	6	kept	keep	VBN
12787	2372	7	covered	cover	VBN
12787	2372	8	as	as	RB
12787	2372	9	much	much	RB
12787	2372	10	as	as	IN
12787	2372	11	possible	possible	JJ
12787	2372	12	and	and	CC
12787	2372	13	the	the	DT
12787	2372	14	lid	lid	NN
12787	2372	15	carefully	carefully	RB
12787	2372	16	cleaned	clean	VBN
12787	2372	17	.	.	.
12787	2372	18	]	]	-RRB-
12787	2373	1	[	[	-LRB-
12787	2373	2	Note	note	NN
12787	2373	3	5	5	CD
12787	2373	4	:	:	:
12787	2373	5	A	a	DT
12787	2373	6	gritty	gritty	JJ
12787	2373	7	residue	residue	NN
12787	2373	8	remaining	remain	VBG
12787	2373	9	after	after	IN
12787	2373	10	the	the	DT
12787	2373	11	disintegration	disintegration	NN
12787	2373	12	of	of	IN
12787	2373	13	the	the	DT
12787	2373	14	fused	fuse	VBN
12787	2373	15	mass	mass	NN
12787	2373	16	by	by	IN
12787	2373	17	acid	acid	NN
12787	2373	18	indicates	indicate	VBZ
12787	2373	19	that	that	IN
12787	2373	20	the	the	DT
12787	2373	21	substance	substance	NN
12787	2373	22	has	have	VBZ
12787	2373	23	been	be	VBN
12787	2373	24	but	but	CC
12787	2373	25	imperfectly	imperfectly	RB
12787	2373	26	decomposed	decompose	VBN
12787	2373	27	.	.	.
12787	2374	1	Such	such	PDT
12787	2374	2	a	a	DT
12787	2374	3	residue	residue	NN
12787	2374	4	should	should	MD
12787	2374	5	be	be	VB
12787	2374	6	filtered	filter	VBN
12787	2374	7	,	,	,
12787	2374	8	washed	wash	VBN
12787	2374	9	,	,	,
12787	2374	10	dried	dry	VBN
12787	2374	11	,	,	,
12787	2374	12	ignited	ignite	VBD
12787	2374	13	,	,	,
12787	2374	14	and	and	CC
12787	2374	15	again	again	RB
12787	2374	16	fused	fuse	VBN
12787	2374	17	with	with	IN
12787	2374	18	the	the	DT
12787	2374	19	alkaline	alkaline	NN
12787	2374	20	flux	flux	NN
12787	2374	21	;	;	:
12787	2374	22	or	or	CC
12787	2374	23	,	,	,
12787	2374	24	if	if	IN
12787	2374	25	the	the	DT
12787	2374	26	quantity	quantity	NN
12787	2374	27	of	of	IN
12787	2374	28	material	material	NN
12787	2374	29	at	at	IN
12787	2374	30	hand	hand	NN
12787	2374	31	will	will	MD
12787	2374	32	permit	permit	VB
12787	2374	33	,	,	,
12787	2374	34	it	-PRON-	PRP
12787	2374	35	is	be	VBZ
12787	2374	36	better	well	JJR
12787	2374	37	to	to	TO
12787	2374	38	reject	reject	VB
12787	2374	39	the	the	DT
12787	2374	40	analysis	analysis	NN
12787	2374	41	,	,	,
12787	2374	42	and	and	CC
12787	2374	43	to	to	TO
12787	2374	44	use	use	VB
12787	2374	45	increased	increase	VBN
12787	2374	46	care	care	NN
12787	2374	47	in	in	IN
12787	2374	48	grinding	grind	VBG
12787	2374	49	the	the	DT
12787	2374	50	mineral	mineral	NN
12787	2374	51	and	and	CC
12787	2374	52	in	in	IN
12787	2374	53	mixing	mix	VBG
12787	2374	54	it	-PRON-	PRP
12787	2374	55	with	with	IN
12787	2374	56	the	the	DT
12787	2374	57	flux	flux	NN
12787	2374	58	.	.	.
12787	2374	59	]	]	-RRB-
12787	2375	1	DEHYDRATION	dehydration	NN
12787	2375	2	AND	and	CC
12787	2375	3	FILTRATION	FILTRATION	VBN
12787	2375	4	PROCEDURE.--Evaporate	procedure.--evaporate	VBP
12787	2375	5	the	the	DT
12787	2375	6	solution	solution	NN
12787	2375	7	of	of	IN
12787	2375	8	the	the	DT
12787	2375	9	fusion	fusion	NN
12787	2375	10	to	to	IN
12787	2375	11	dryness	dryness	NN
12787	2375	12	,	,	,
12787	2375	13	stirring	stir	VBG
12787	2375	14	frequently	frequently	RB
12787	2375	15	until	until	IN
12787	2375	16	the	the	DT
12787	2375	17	residue	residue	NN
12787	2375	18	is	be	VBZ
12787	2375	19	a	a	DT
12787	2375	20	dry	dry	JJ
12787	2375	21	powder	powder	NN
12787	2375	22	.	.	.
12787	2376	1	Moisten	moisten	VB
12787	2376	2	the	the	DT
12787	2376	3	residue	residue	NN
12787	2376	4	with	with	IN
12787	2376	5	5	5	CD
12787	2376	6	cc	cc	NN
12787	2376	7	.	.	.
12787	2377	1	of	of	IN
12787	2377	2	strong	strong	JJ
12787	2377	3	hydrochloric	hydrochloric	JJ
12787	2377	4	acid	acid	NN
12787	2377	5	(	(	-LRB-
12787	2377	6	sp	sp	NNP
12787	2377	7	.	.	.
12787	2378	1	gr	gr	NNP
12787	2378	2	.	.	.
12787	2379	1	1.20	1.20	LS
12787	2379	2	)	)	-RRB-
12787	2379	3	and	and	CC
12787	2379	4	evaporate	evaporate	VB
12787	2379	5	again	again	RB
12787	2379	6	to	to	IN
12787	2379	7	dryness	dryness	NN
12787	2379	8	.	.	.
12787	2380	1	Heat	heat	VB
12787	2380	2	the	the	DT
12787	2380	3	residue	residue	NN
12787	2380	4	for	for	IN
12787	2380	5	at	at	RB
12787	2380	6	least	least	RBS
12787	2380	7	one	one	CD
12787	2380	8	hour	hour	NN
12787	2380	9	at	at	IN
12787	2380	10	a	a	DT
12787	2380	11	temperature	temperature	NN
12787	2380	12	of	of	IN
12787	2380	13	110Â	110Â	NNP
12787	2380	14	°	°	,
12787	2380	15	C	C	NNP
12787	2380	16	.	.	.
12787	2381	1	(	(	-LRB-
12787	2381	2	Note	note	NN
12787	2381	3	1	1	CD
12787	2381	4	)	)	-RRB-
12787	2381	5	.	.	.
12787	2382	1	Again	again	RB
12787	2382	2	moisten	moisten	VB
12787	2382	3	the	the	DT
12787	2382	4	residue	residue	NN
12787	2382	5	with	with	IN
12787	2382	6	concentrated	concentrated	JJ
12787	2382	7	hydrochloric	hydrochloric	JJ
12787	2382	8	acid	acid	NN
12787	2382	9	,	,	,
12787	2382	10	warm	warm	JJ
12787	2382	11	gently	gently	RB
12787	2382	12	,	,	,
12787	2382	13	making	make	VBG
12787	2382	14	sure	sure	JJ
12787	2382	15	that	that	IN
12787	2382	16	the	the	DT
12787	2382	17	acid	acid	NN
12787	2382	18	comes	come	VBZ
12787	2382	19	into	into	IN
12787	2382	20	contact	contact	NN
12787	2382	21	with	with	IN
12787	2382	22	the	the	DT
12787	2382	23	whole	whole	NN
12787	2382	24	of	of	IN
12787	2382	25	the	the	DT
12787	2382	26	residue	residue	NN
12787	2382	27	,	,	,
12787	2382	28	dilute	dilute	VB
12787	2382	29	to	to	IN
12787	2382	30	about	about	RB
12787	2382	31	200	200	CD
12787	2382	32	cc	cc	NN
12787	2382	33	.	.	.
12787	2383	1	and	and	CC
12787	2383	2	bring	bring	VB
12787	2383	3	to	to	IN
12787	2383	4	boiling	boil	VBG
12787	2383	5	.	.	.
12787	2384	1	Filter	filter	VB
12787	2384	2	off	off	RP
12787	2384	3	the	the	DT
12787	2384	4	silica	silica	NN
12787	2384	5	without	without	IN
12787	2384	6	much	much	JJ
12787	2384	7	delay	delay	NN
12787	2384	8	(	(	-LRB-
12787	2384	9	Note	note	NN
12787	2384	10	2	2	CD
12787	2384	11	)	)	-RRB-
12787	2384	12	,	,	,
12787	2384	13	and	and	CC
12787	2384	14	wash	wash	VB
12787	2384	15	five	five	CD
12787	2384	16	times	time	NNS
12787	2384	17	with	with	IN
12787	2384	18	warm	warm	JJ
12787	2384	19	dilute	dilute	NN
12787	2384	20	hydrochloric	hydrochloric	NN
12787	2384	21	acid	acid	NNP
12787	2384	22	(	(	-LRB-
12787	2384	23	one	one	CD
12787	2384	24	part	part	NN
12787	2384	25	dilute	dilute	NN
12787	2384	26	acid	acid	NNP
12787	2384	27	(	(	-LRB-
12787	2384	28	1.12	1.12	CD
12787	2384	29	sp	sp	NN
12787	2384	30	.	.	.
12787	2385	1	gr	gr	NNP
12787	2385	2	.	.	.
12787	2385	3	)	)	-RRB-
12787	2386	1	to	to	IN
12787	2386	2	three	three	CD
12787	2386	3	parts	part	NNS
12787	2386	4	of	of	IN
12787	2386	5	water	water	NN
12787	2386	6	)	)	-RRB-
12787	2386	7	.	.	.
12787	2387	1	Allow	allow	VB
12787	2387	2	the	the	DT
12787	2387	3	filter	filter	NN
12787	2387	4	to	to	TO
12787	2387	5	drain	drain	VB
12787	2387	6	for	for	IN
12787	2387	7	a	a	DT
12787	2387	8	few	few	JJ
12787	2387	9	moments	moment	NNS
12787	2387	10	,	,	,
12787	2387	11	then	then	RB
12787	2387	12	place	place	VB
12787	2387	13	a	a	DT
12787	2387	14	clean	clean	JJ
12787	2387	15	beaker	beaker	NN
12787	2387	16	below	below	IN
12787	2387	17	the	the	DT
12787	2387	18	funnel	funnel	NN
12787	2387	19	and	and	CC
12787	2387	20	wash	wash	VB
12787	2387	21	with	with	IN
12787	2387	22	water	water	NN
12787	2387	23	until	until	IN
12787	2387	24	free	free	JJ
12787	2387	25	from	from	IN
12787	2387	26	chlorides	chloride	NNS
12787	2387	27	,	,	,
12787	2387	28	discarding	discard	VBG
12787	2387	29	these	these	DT
12787	2387	30	washings	washing	NNS
12787	2387	31	.	.	.
12787	2388	1	Evaporate	evaporate	VB
12787	2388	2	the	the	DT
12787	2388	3	original	original	JJ
12787	2388	4	filtrate	filtrate	NN
12787	2388	5	to	to	IN
12787	2388	6	dryness	dryness	NN
12787	2388	7	,	,	,
12787	2388	8	dehydrate	dehydrate	VB
12787	2388	9	at	at	IN
12787	2388	10	110Â	110Â	NNP
12787	2388	11	°	°	NNS
12787	2388	12	C	C	NNP
12787	2388	13	.	.	.
12787	2389	1	for	for	IN
12787	2389	2	one	one	CD
12787	2389	3	hour	hour	NN
12787	2389	4	(	(	-LRB-
12787	2389	5	Note	note	NN
12787	2389	6	3	3	CD
12787	2389	7	)	)	-RRB-
12787	2389	8	,	,	,
12787	2389	9	and	and	CC
12787	2389	10	proceed	proceed	VB
12787	2389	11	as	as	IN
12787	2389	12	before	before	RB
12787	2389	13	,	,	,
12787	2389	14	using	use	VBG
12787	2389	15	a	a	DT
12787	2389	16	second	second	JJ
12787	2389	17	filter	filter	NN
12787	2389	18	to	to	TO
12787	2389	19	collect	collect	VB
12787	2389	20	the	the	DT
12787	2389	21	silica	silica	NN
12787	2389	22	after	after	IN
12787	2389	23	the	the	DT
12787	2389	24	second	second	JJ
12787	2389	25	dehydration	dehydration	NN
12787	2389	26	.	.	.
12787	2390	1	Wash	wash	VB
12787	2390	2	this	this	DT
12787	2390	3	filter	filter	NN
12787	2390	4	with	with	IN
12787	2390	5	warm	warm	JJ
12787	2390	6	,	,	,
12787	2390	7	dilute	dilute	JJ
12787	2390	8	hydrochloric	hydrochloric	JJ
12787	2390	9	acid	acid	NN
12787	2390	10	(	(	-LRB-
12787	2390	11	Note	note	NN
12787	2390	12	4	4	CD
12787	2390	13	)	)	-RRB-
12787	2390	14	,	,	,
12787	2390	15	and	and	CC
12787	2390	16	finally	finally	RB
12787	2390	17	with	with	IN
12787	2390	18	hot	hot	JJ
12787	2390	19	water	water	NN
12787	2390	20	until	until	IN
12787	2390	21	free	free	JJ
12787	2390	22	from	from	IN
12787	2390	23	chlorides	chloride	NNS
12787	2390	24	.	.	.
12787	2391	1	[	[	-LRB-
12787	2391	2	Note	note	NN
12787	2391	3	1	1	CD
12787	2391	4	:	:	:
12787	2391	5	The	the	DT
12787	2391	6	silicic	silicic	NN
12787	2391	7	acid	acid	NN
12787	2391	8	must	must	MD
12787	2391	9	be	be	VB
12787	2391	10	freed	free	VBN
12787	2391	11	from	from	IN
12787	2391	12	its	-PRON-	PRP$
12787	2391	13	combination	combination	NN
12787	2391	14	with	with	IN
12787	2391	15	a	a	DT
12787	2391	16	base	base	NN
12787	2391	17	(	(	-LRB-
12787	2391	18	sodium	sodium	NN
12787	2391	19	,	,	,
12787	2391	20	in	in	IN
12787	2391	21	this	this	DT
12787	2391	22	instance	instance	NN
12787	2391	23	)	)	-RRB-
12787	2391	24	before	before	IN
12787	2391	25	it	-PRON-	PRP
12787	2391	26	can	can	MD
12787	2391	27	be	be	VB
12787	2391	28	dehydrated	dehydrate	VBN
12787	2391	29	.	.	.
12787	2392	1	The	the	DT
12787	2392	2	excess	excess	NN
12787	2392	3	of	of	IN
12787	2392	4	hydrochloric	hydrochloric	JJ
12787	2392	5	acid	acid	NN
12787	2392	6	accomplishes	accomplish	VBZ
12787	2392	7	this	this	DT
12787	2392	8	liberation	liberation	NN
12787	2392	9	.	.	.
12787	2393	1	By	by	IN
12787	2393	2	disintegrating	disintegrate	VBG
12787	2393	3	the	the	DT
12787	2393	4	fused	fused	JJ
12787	2393	5	mass	mass	NN
12787	2393	6	with	with	IN
12787	2393	7	a	a	DT
12787	2393	8	considerable	considerable	JJ
12787	2393	9	volume	volume	NN
12787	2393	10	of	of	IN
12787	2393	11	dilute	dilute	NN
12787	2393	12	acid	acid	VB
12787	2393	13	the	the	DT
12787	2393	14	silicic	silicic	NN
12787	2393	15	acid	acid	NN
12787	2393	16	is	be	VBZ
12787	2393	17	at	at	IN
12787	2393	18	first	first	RB
12787	2393	19	held	hold	VBN
12787	2393	20	in	in	IN
12787	2393	21	solution	solution	NN
12787	2393	22	to	to	IN
12787	2393	23	a	a	DT
12787	2393	24	large	large	JJ
12787	2393	25	extent	extent	NN
12787	2393	26	.	.	.
12787	2394	1	Immediate	immediate	JJ
12787	2394	2	treatment	treatment	NN
12787	2394	3	of	of	IN
12787	2394	4	the	the	DT
12787	2394	5	fused	fuse	VBN
12787	2394	6	mass	mass	NN
12787	2394	7	with	with	IN
12787	2394	8	strong	strong	JJ
12787	2394	9	acid	acid	NN
12787	2394	10	is	be	VBZ
12787	2394	11	likely	likely	JJ
12787	2394	12	to	to	TO
12787	2394	13	cause	cause	VB
12787	2394	14	a	a	DT
12787	2394	15	semi	semi	JJ
12787	2394	16	-	-	JJ
12787	2394	17	gelatinous	gelatinous	JJ
12787	2394	18	silicic	silicic	NN
12787	2394	19	acid	acid	NN
12787	2394	20	to	to	TO
12787	2394	21	separate	separate	VB
12787	2394	22	at	at	IN
12787	2394	23	once	once	RB
12787	2394	24	and	and	CC
12787	2394	25	to	to	TO
12787	2394	26	inclose	inclose	VB
12787	2394	27	alkali	alkali	JJ
12787	2394	28	salts	salt	NNS
12787	2394	29	or	or	CC
12787	2394	30	alumina	alumina	NNP
12787	2394	31	.	.	.
12787	2395	1	A	a	DT
12787	2395	2	flocculent	flocculent	JJ
12787	2395	3	residue	residue	NN
12787	2395	4	will	will	MD
12787	2395	5	often	often	RB
12787	2395	6	remain	remain	VB
12787	2395	7	after	after	IN
12787	2395	8	the	the	DT
12787	2395	9	decomposition	decomposition	NN
12787	2395	10	of	of	IN
12787	2395	11	the	the	DT
12787	2395	12	fused	fuse	VBN
12787	2395	13	mass	mass	NN
12787	2395	14	is	be	VBZ
12787	2395	15	effected	effect	VBN
12787	2395	16	.	.	.
12787	2396	1	This	this	DT
12787	2396	2	is	be	VBZ
12787	2396	3	usually	usually	RB
12787	2396	4	partially	partially	RB
12787	2396	5	dehydrated	dehydrate	VBN
12787	2396	6	silicic	silicic	NN
12787	2396	7	acid	acid	NN
12787	2396	8	and	and	CC
12787	2396	9	does	do	VBZ
12787	2396	10	not	not	RB
12787	2396	11	require	require	VB
12787	2396	12	further	further	JJ
12787	2396	13	treatment	treatment	NN
12787	2396	14	at	at	IN
12787	2396	15	this	this	DT
12787	2396	16	point	point	NN
12787	2396	17	.	.	.
12787	2397	1	The	the	DT
12787	2397	2	progress	progress	NN
12787	2397	3	of	of	IN
12787	2397	4	the	the	DT
12787	2397	5	dehydration	dehydration	NN
12787	2397	6	is	be	VBZ
12787	2397	7	indicated	indicate	VBN
12787	2397	8	by	by	IN
12787	2397	9	the	the	DT
12787	2397	10	behavior	behavior	NN
12787	2397	11	of	of	IN
12787	2397	12	the	the	DT
12787	2397	13	solution	solution	NN
12787	2397	14	,	,	,
12787	2397	15	which	which	WDT
12787	2397	16	as	as	IN
12787	2397	17	evaporation	evaporation	NN
12787	2397	18	proceeds	proceed	NNS
12787	2397	19	usually	usually	RB
12787	2397	20	gelatinizes	gelatinize	VBZ
12787	2397	21	.	.	.
12787	2398	1	On	on	IN
12787	2398	2	this	this	DT
12787	2398	3	account	account	NN
12787	2398	4	it	-PRON-	PRP
12787	2398	5	is	be	VBZ
12787	2398	6	necessary	necessary	JJ
12787	2398	7	to	to	TO
12787	2398	8	allow	allow	VB
12787	2398	9	the	the	DT
12787	2398	10	solution	solution	NN
12787	2398	11	to	to	TO
12787	2398	12	evaporate	evaporate	VB
12787	2398	13	on	on	IN
12787	2398	14	a	a	DT
12787	2398	15	steam	steam	NN
12787	2398	16	bath	bath	NN
12787	2398	17	,	,	,
12787	2398	18	or	or	CC
12787	2398	19	to	to	TO
12787	2398	20	stir	stir	VB
12787	2398	21	it	-PRON-	PRP
12787	2398	22	vigorously	vigorously	RB
12787	2398	23	,	,	,
12787	2398	24	to	to	TO
12787	2398	25	avoid	avoid	VB
12787	2398	26	loss	loss	NN
12787	2398	27	by	by	IN
12787	2398	28	spattering	spatter	VBG
12787	2398	29	.	.	.
12787	2398	30	]	]	-RRB-
12787	2399	1	[	[	-LRB-
12787	2399	2	Note	note	NN
12787	2399	3	2	2	CD
12787	2399	4	:	:	:
12787	2399	5	To	to	TO
12787	2399	6	obtain	obtain	VB
12787	2399	7	an	an	DT
12787	2399	8	approximately	approximately	RB
12787	2399	9	pure	pure	JJ
12787	2399	10	silica	silica	NN
12787	2399	11	,	,	,
12787	2399	12	the	the	DT
12787	2399	13	residue	residue	NN
12787	2399	14	after	after	IN
12787	2399	15	evaporation	evaporation	NN
12787	2399	16	must	must	MD
12787	2399	17	be	be	VB
12787	2399	18	thoroughly	thoroughly	RB
12787	2399	19	extracted	extract	VBN
12787	2399	20	by	by	IN
12787	2399	21	warming	warm	VBG
12787	2399	22	with	with	IN
12787	2399	23	hydrochloric	hydrochloric	JJ
12787	2399	24	acid	acid	NN
12787	2399	25	,	,	,
12787	2399	26	and	and	CC
12787	2399	27	the	the	DT
12787	2399	28	solution	solution	NN
12787	2399	29	freely	freely	RB
12787	2399	30	diluted	dilute	VBN
12787	2399	31	to	to	TO
12787	2399	32	prevent	prevent	VB
12787	2399	33	,	,	,
12787	2399	34	as	as	RB
12787	2399	35	far	far	RB
12787	2399	36	as	as	IN
12787	2399	37	possible	possible	JJ
12787	2399	38	,	,	,
12787	2399	39	the	the	DT
12787	2399	40	inclosure	inclosure	NN
12787	2399	41	of	of	IN
12787	2399	42	the	the	DT
12787	2399	43	residual	residual	JJ
12787	2399	44	salts	salt	NNS
12787	2399	45	in	in	IN
12787	2399	46	the	the	DT
12787	2399	47	particles	particle	NNS
12787	2399	48	of	of	IN
12787	2399	49	silica	silica	NN
12787	2399	50	.	.	.
12787	2400	1	The	the	DT
12787	2400	2	filtration	filtration	NN
12787	2400	3	should	should	MD
12787	2400	4	take	take	VB
12787	2400	5	place	place	NN
12787	2400	6	without	without	IN
12787	2400	7	delay	delay	NN
12787	2400	8	,	,	,
12787	2400	9	as	as	IN
12787	2400	10	the	the	DT
12787	2400	11	dehydrated	dehydrate	VBN
12787	2400	12	silica	silica	NN
12787	2400	13	slowly	slowly	RB
12787	2400	14	dissolves	dissolve	VBZ
12787	2400	15	in	in	IN
12787	2400	16	hydrochloric	hydrochloric	JJ
12787	2400	17	acid	acid	NN
12787	2400	18	on	on	IN
12787	2400	19	standing	standing	NN
12787	2400	20	.	.	.
12787	2400	21	]	]	-RRB-
12787	2401	1	[	[	-LRB-
12787	2401	2	Note	note	NN
12787	2401	3	3	3	CD
12787	2401	4	:	:	:
12787	2401	5	It	-PRON-	PRP
12787	2401	6	has	have	VBZ
12787	2401	7	been	be	VBN
12787	2401	8	shown	show	VBN
12787	2401	9	by	by	IN
12787	2401	10	Hillebrand	Hillebrand	NNP
12787	2401	11	that	that	DT
12787	2401	12	silicic	silicic	NN
12787	2401	13	acid	acid	NN
12787	2401	14	can	can	MD
12787	2401	15	not	not	RB
12787	2401	16	be	be	VB
12787	2401	17	completely	completely	RB
12787	2401	18	dehydrated	dehydrate	VBN
12787	2401	19	by	by	IN
12787	2401	20	a	a	DT
12787	2401	21	single	single	JJ
12787	2401	22	evaporation	evaporation	NN
12787	2401	23	and	and	CC
12787	2401	24	heating	heating	NN
12787	2401	25	,	,	,
12787	2401	26	nor	nor	CC
12787	2401	27	by	by	IN
12787	2401	28	several	several	JJ
12787	2401	29	such	such	JJ
12787	2401	30	treatments	treatment	NNS
12787	2401	31	,	,	,
12787	2401	32	unless	unless	IN
12787	2401	33	an	an	DT
12787	2401	34	intermediate	intermediate	JJ
12787	2401	35	filtration	filtration	NN
12787	2401	36	of	of	IN
12787	2401	37	the	the	DT
12787	2401	38	silica	silica	NN
12787	2401	39	occurs	occur	VBZ
12787	2401	40	.	.	.
12787	2402	1	If	if	IN
12787	2402	2	,	,	,
12787	2402	3	however	however	RB
12787	2402	4	,	,	,
12787	2402	5	the	the	DT
12787	2402	6	silica	silica	NN
12787	2402	7	is	be	VBZ
12787	2402	8	removed	remove	VBN
12787	2402	9	and	and	CC
12787	2402	10	the	the	DT
12787	2402	11	filtrates	filtrate	NNS
12787	2402	12	are	be	VBP
12787	2402	13	again	again	RB
12787	2402	14	evaporated	evaporate	VBN
12787	2402	15	and	and	CC
12787	2402	16	the	the	DT
12787	2402	17	residue	residue	NN
12787	2402	18	heated	heat	VBN
12787	2402	19	,	,	,
12787	2402	20	the	the	DT
12787	2402	21	amount	amount	NN
12787	2402	22	of	of	IN
12787	2402	23	silica	silica	NN
12787	2402	24	remaining	remain	VBG
12787	2402	25	in	in	IN
12787	2402	26	solution	solution	NN
12787	2402	27	is	be	VBZ
12787	2402	28	usually	usually	RB
12787	2402	29	negligible	negligible	JJ
12787	2402	30	,	,	,
12787	2402	31	although	although	IN
12787	2402	32	several	several	JJ
12787	2402	33	evaporations	evaporation	NNS
12787	2402	34	and	and	CC
12787	2402	35	filtrations	filtration	NNS
12787	2402	36	are	be	VBP
12787	2402	37	required	require	VBN
12787	2402	38	with	with	IN
12787	2402	39	some	some	DT
12787	2402	40	silicates	silicate	NNS
12787	2402	41	to	to	TO
12787	2402	42	insure	insure	VB
12787	2402	43	absolute	absolute	JJ
12787	2402	44	accuracy	accuracy	NN
12787	2402	45	.	.	.
12787	2403	1	It	-PRON-	PRP
12787	2403	2	is	be	VBZ
12787	2403	3	probable	probable	JJ
12787	2403	4	that	that	IN
12787	2403	5	temperatures	temperature	NNS
12787	2403	6	above	above	IN
12787	2403	7	100Â	100â	CD
12787	2403	8	°	°	NNS
12787	2403	9	C	C	NNP
12787	2403	10	.	.	.
12787	2404	1	are	be	VBP
12787	2404	2	not	not	RB
12787	2404	3	absolutely	absolutely	RB
12787	2404	4	necessary	necessary	JJ
12787	2404	5	to	to	TO
12787	2404	6	dehydrate	dehydrate	VB
12787	2404	7	the	the	DT
12787	2404	8	silica	silica	NN
12787	2404	9	;	;	:
12787	2404	10	but	but	CC
12787	2404	11	it	-PRON-	PRP
12787	2404	12	is	be	VBZ
12787	2404	13	recommended	recommend	VBN
12787	2404	14	,	,	,
12787	2404	15	as	as	IN
12787	2404	16	tending	tend	VBG
12787	2404	17	to	to	TO
12787	2404	18	leave	leave	VB
12787	2404	19	the	the	DT
12787	2404	20	silica	silica	NN
12787	2404	21	in	in	IN
12787	2404	22	a	a	DT
12787	2404	23	better	well	JJR
12787	2404	24	condition	condition	NN
12787	2404	25	for	for	IN
12787	2404	26	filtration	filtration	NN
12787	2404	27	than	than	IN
12787	2404	28	when	when	WRB
12787	2404	29	the	the	DT
12787	2404	30	lower	low	JJR
12787	2404	31	temperature	temperature	NN
12787	2404	32	of	of	IN
12787	2404	33	the	the	DT
12787	2404	34	water	water	NN
12787	2404	35	bath	bath	NN
12787	2404	36	is	be	VBZ
12787	2404	37	used	use	VBN
12787	2404	38	.	.	.
12787	2405	1	This	this	DT
12787	2405	2	,	,	,
12787	2405	3	and	and	CC
12787	2405	4	many	many	JJ
12787	2405	5	other	other	JJ
12787	2405	6	points	point	NNS
12787	2405	7	in	in	IN
12787	2405	8	the	the	DT
12787	2405	9	analysis	analysis	NN
12787	2405	10	of	of	IN
12787	2405	11	silicates	silicate	NNS
12787	2405	12	,	,	,
12787	2405	13	are	be	VBP
12787	2405	14	fully	fully	RB
12787	2405	15	discussed	discuss	VBN
12787	2405	16	by	by	IN
12787	2405	17	Dr.	Dr.	NNP
12787	2405	18	Hillebrand	Hillebrand	NNP
12787	2405	19	in	in	IN
12787	2405	20	the	the	DT
12787	2405	21	admirable	admirable	JJ
12787	2405	22	monograph	monograph	NN
12787	2405	23	on	on	IN
12787	2405	24	"	"	``
12787	2405	25	The	the	DT
12787	2405	26	Analysis	Analysis	NNP
12787	2405	27	of	of	IN
12787	2405	28	Silicate	Silicate	NNP
12787	2405	29	and	and	CC
12787	2405	30	Carbonate	Carbonate	NNP
12787	2405	31	Rocks	Rocks	NNPS
12787	2405	32	,	,	,
12787	2405	33	"	"	``
12787	2405	34	Bulletin	Bulletin	NNP
12787	2405	35	No	no	UH
12787	2405	36	.	.	.
12787	2406	1	700	700	CD
12787	2406	2	of	of	IN
12787	2406	3	the	the	DT
12787	2406	4	United	United	NNP
12787	2406	5	States	States	NNP
12787	2406	6	Geological	Geological	NNP
12787	2406	7	Survey	Survey	NNP
12787	2406	8	.	.	.
12787	2407	1	The	the	DT
12787	2407	2	double	double	JJ
12787	2407	3	evaporation	evaporation	NN
12787	2407	4	and	and	CC
12787	2407	5	filtration	filtration	NN
12787	2407	6	spoken	speak	VBN
12787	2407	7	of	of	IN
12787	2407	8	above	above	RB
12787	2407	9	are	be	VBP
12787	2407	10	essential	essential	JJ
12787	2407	11	because	because	IN
12787	2407	12	of	of	IN
12787	2407	13	the	the	DT
12787	2407	14	relatively	relatively	RB
12787	2407	15	large	large	JJ
12787	2407	16	amount	amount	NN
12787	2407	17	of	of	IN
12787	2407	18	alkali	alkali	JJ
12787	2407	19	salts	salt	NNS
12787	2407	20	(	(	-LRB-
12787	2407	21	sodium	sodium	NN
12787	2407	22	chloride	chloride	NN
12787	2407	23	)	)	-RRB-
12787	2407	24	present	present	JJ
12787	2407	25	after	after	IN
12787	2407	26	evaporation	evaporation	NN
12787	2407	27	.	.	.
12787	2408	1	For	for	IN
12787	2408	2	the	the	DT
12787	2408	3	highest	high	JJS
12787	2408	4	accuracy	accuracy	NN
12787	2408	5	in	in	IN
12787	2408	6	the	the	DT
12787	2408	7	determination	determination	NN
12787	2408	8	of	of	IN
12787	2408	9	silica	silica	NNP
12787	2408	10	,	,	,
12787	2408	11	or	or	CC
12787	2408	12	of	of	IN
12787	2408	13	iron	iron	NNP
12787	2408	14	and	and	CC
12787	2408	15	alumina	alumina	NNP
12787	2408	16	,	,	,
12787	2408	17	it	-PRON-	PRP
12787	2408	18	is	be	VBZ
12787	2408	19	also	also	RB
12787	2408	20	necessary	necessary	JJ
12787	2408	21	to	to	TO
12787	2408	22	examine	examine	VB
12787	2408	23	for	for	IN
12787	2408	24	silica	silica	NNP
12787	2408	25	the	the	DT
12787	2408	26	precipitate	precipitate	NN
12787	2408	27	produced	produce	VBN
12787	2408	28	in	in	IN
12787	2408	29	the	the	DT
12787	2408	30	filtrate	filtrate	JJ
12787	2408	31	by	by	IN
12787	2408	32	ammonium	ammonium	NN
12787	2408	33	hydroxide	hydroxide	RB
12787	2408	34	by	by	IN
12787	2408	35	fusing	fuse	VBG
12787	2408	36	it	-PRON-	PRP
12787	2408	37	with	with	IN
12787	2408	38	acid	acid	JJ
12787	2408	39	potassium	potassium	NN
12787	2408	40	sulphate	sulphate	NN
12787	2408	41	and	and	CC
12787	2408	42	solution	solution	NN
12787	2408	43	of	of	IN
12787	2408	44	the	the	DT
12787	2408	45	fused	fuse	VBN
12787	2408	46	mass	mass	NN
12787	2408	47	in	in	IN
12787	2408	48	water	water	NN
12787	2408	49	.	.	.
12787	2409	1	The	the	DT
12787	2409	2	insoluble	insoluble	JJ
12787	2409	3	silica	silica	NN
12787	2409	4	is	be	VBZ
12787	2409	5	filtered	filter	VBN
12787	2409	6	,	,	,
12787	2409	7	washed	wash	VBN
12787	2409	8	,	,	,
12787	2409	9	and	and	CC
12787	2409	10	weighed	weigh	VBD
12787	2409	11	,	,	,
12787	2409	12	and	and	CC
12787	2409	13	the	the	DT
12787	2409	14	weight	weight	NN
12787	2409	15	added	add	VBN
12787	2409	16	to	to	IN
12787	2409	17	the	the	DT
12787	2409	18	weight	weight	NN
12787	2409	19	of	of	IN
12787	2409	20	silica	silica	NNP
12787	2409	21	previously	previously	RB
12787	2409	22	obtained	obtain	VBN
12787	2409	23	.	.	.
12787	2409	24	]	]	-RRB-
12787	2410	1	[	[	-LRB-
12787	2410	2	Note	note	NN
12787	2410	3	4	4	CD
12787	2410	4	:	:	:
12787	2410	5	Aluminium	aluminium	NN
12787	2410	6	and	and	CC
12787	2410	7	iron	iron	NN
12787	2410	8	are	be	VBP
12787	2410	9	likely	likely	JJ
12787	2410	10	to	to	TO
12787	2410	11	be	be	VB
12787	2410	12	thrown	throw	VBN
12787	2410	13	down	down	RP
12787	2410	14	as	as	IN
12787	2410	15	basic	basic	JJ
12787	2410	16	salts	salt	NNS
12787	2410	17	from	from	IN
12787	2410	18	hot	hot	JJ
12787	2410	19	,	,	,
12787	2410	20	very	very	RB
12787	2410	21	dilute	dilute	JJ
12787	2410	22	solutions	solution	NNS
12787	2410	23	of	of	IN
12787	2410	24	their	-PRON-	PRP$
12787	2410	25	chlorides	chloride	NNS
12787	2410	26	,	,	,
12787	2410	27	as	as	IN
12787	2410	28	a	a	DT
12787	2410	29	result	result	NN
12787	2410	30	of	of	IN
12787	2410	31	hydrolysis	hydrolysis	NN
12787	2410	32	.	.	.
12787	2411	1	If	if	IN
12787	2411	2	the	the	DT
12787	2411	3	silica	silica	NN
12787	2411	4	were	be	VBD
12787	2411	5	washed	wash	VBN
12787	2411	6	only	only	RB
12787	2411	7	with	with	IN
12787	2411	8	hot	hot	JJ
12787	2411	9	water	water	NN
12787	2411	10	,	,	,
12787	2411	11	the	the	DT
12787	2411	12	solution	solution	NN
12787	2411	13	of	of	IN
12787	2411	14	these	these	DT
12787	2411	15	chlorides	chloride	NNS
12787	2411	16	remaining	remain	VBG
12787	2411	17	in	in	IN
12787	2411	18	the	the	DT
12787	2411	19	filter	filter	NN
12787	2411	20	after	after	IN
12787	2411	21	the	the	DT
12787	2411	22	passage	passage	NN
12787	2411	23	of	of	IN
12787	2411	24	the	the	DT
12787	2411	25	original	original	JJ
12787	2411	26	filtrate	filtrate	NN
12787	2411	27	would	would	MD
12787	2411	28	gradually	gradually	RB
12787	2411	29	become	become	VB
12787	2411	30	so	so	RB
12787	2411	31	dilute	dilute	JJ
12787	2411	32	as	as	IN
12787	2411	33	to	to	TO
12787	2411	34	throw	throw	VB
12787	2411	35	down	down	RP
12787	2411	36	basic	basic	JJ
12787	2411	37	salts	salt	NNS
12787	2411	38	within	within	IN
12787	2411	39	the	the	DT
12787	2411	40	pores	pore	NNS
12787	2411	41	of	of	IN
12787	2411	42	the	the	DT
12787	2411	43	filter	filter	NN
12787	2411	44	,	,	,
12787	2411	45	which	which	WDT
12787	2411	46	would	would	MD
12787	2411	47	remain	remain	VB
12787	2411	48	with	with	IN
12787	2411	49	the	the	DT
12787	2411	50	silica	silica	NN
12787	2411	51	.	.	.
12787	2412	1	To	to	TO
12787	2412	2	avoid	avoid	VB
12787	2412	3	this	this	DT
12787	2412	4	,	,	,
12787	2412	5	an	an	DT
12787	2412	6	acid	acid	JJ
12787	2412	7	wash	wash	NN
12787	2412	8	-	-	HYPH
12787	2412	9	water	water	NN
12787	2412	10	is	be	VBZ
12787	2412	11	used	use	VBN
12787	2412	12	until	until	IN
12787	2412	13	the	the	DT
12787	2412	14	aluminium	aluminium	NN
12787	2412	15	and	and	CC
12787	2412	16	iron	iron	NN
12787	2412	17	are	be	VBP
12787	2412	18	practically	practically	RB
12787	2412	19	removed	remove	VBN
12787	2412	20	.	.	.
12787	2413	1	The	the	DT
12787	2413	2	acid	acid	NN
12787	2413	3	is	be	VBZ
12787	2413	4	then	then	RB
12787	2413	5	removed	remove	VBN
12787	2413	6	by	by	IN
12787	2413	7	water	water	NN
12787	2413	8	.	.	.
12787	2413	9	]	]	-RRB-
12787	2414	1	IGNITION	ignition	NN
12787	2414	2	AND	and	CC
12787	2414	3	TESTING	testing	NN
12787	2414	4	OF	of	IN
12787	2414	5	SILICA	SILICA	NNP
12787	2414	6	PROCEDURE.--Transfer	PROCEDURE.--Transfer	NNP
12787	2414	7	the	the	DT
12787	2414	8	two	two	CD
12787	2414	9	washed	washed	JJ
12787	2414	10	filters	filter	NNS
12787	2414	11	belonging	belong	VBG
12787	2414	12	to	to	IN
12787	2414	13	each	each	DT
12787	2414	14	determination	determination	NN
12787	2414	15	to	to	IN
12787	2414	16	a	a	DT
12787	2414	17	platinum	platinum	NN
12787	2414	18	crucible	crucible	JJ
12787	2414	19	,	,	,
12787	2414	20	which	which	WDT
12787	2414	21	need	nee	MD
12787	2414	22	not	not	RB
12787	2414	23	be	be	VB
12787	2414	24	previously	previously	RB
12787	2414	25	weighed	weigh	VBN
12787	2414	26	,	,	,
12787	2414	27	and	and	CC
12787	2414	28	burn	burn	VB
12787	2414	29	off	off	RP
12787	2414	30	the	the	DT
12787	2414	31	filter	filter	NN
12787	2414	32	(	(	-LRB-
12787	2414	33	Note	note	NN
12787	2414	34	1	1	CD
12787	2414	35	)	)	-RRB-
12787	2414	36	.	.	.
12787	2415	1	Ignite	ignite	VB
12787	2415	2	for	for	IN
12787	2415	3	thirty	thirty	CD
12787	2415	4	minutes	minute	NNS
12787	2415	5	over	over	IN
12787	2415	6	the	the	DT
12787	2415	7	blast	blast	NN
12787	2415	8	lamp	lamp	NN
12787	2415	9	with	with	IN
12787	2415	10	the	the	DT
12787	2415	11	cover	cover	NN
12787	2415	12	on	on	IN
12787	2415	13	the	the	DT
12787	2415	14	crucible	crucible	NN
12787	2415	15	,	,	,
12787	2415	16	and	and	CC
12787	2415	17	then	then	RB
12787	2415	18	for	for	IN
12787	2415	19	periods	period	NNS
12787	2415	20	of	of	IN
12787	2415	21	ten	ten	CD
12787	2415	22	minutes	minute	NNS
12787	2415	23	,	,	,
12787	2415	24	until	until	IN
12787	2415	25	the	the	DT
12787	2415	26	weight	weight	NN
12787	2415	27	is	be	VBZ
12787	2415	28	constant	constant	JJ
12787	2415	29	.	.	.
12787	2416	1	When	when	WRB
12787	2416	2	a	a	DT
12787	2416	3	constant	constant	JJ
12787	2416	4	weight	weight	NN
12787	2416	5	has	have	VBZ
12787	2416	6	been	be	VBN
12787	2416	7	obtained	obtain	VBN
12787	2416	8	,	,	,
12787	2416	9	pour	pour	VB
12787	2416	10	into	into	IN
12787	2416	11	the	the	DT
12787	2416	12	crucible	crucible	JJ
12787	2416	13	about	about	RB
12787	2416	14	3	3	CD
12787	2416	15	cc	cc	NN
12787	2416	16	.	.	.
12787	2417	1	of	of	IN
12787	2417	2	water	water	NN
12787	2417	3	,	,	,
12787	2417	4	and	and	CC
12787	2417	5	then	then	RB
12787	2417	6	3	3	CD
12787	2417	7	cc	cc	NN
12787	2417	8	.	.	.
12787	2418	1	of	of	IN
12787	2418	2	hydrofluoric	hydrofluoric	NN
12787	2418	3	acid	acid	NN
12787	2418	4	.	.	.
12787	2419	1	!	!	.
12787	2419	2	This	this	DT
12787	2419	3	must	must	MD
12787	2419	4	be	be	VB
12787	2419	5	done	do	VBN
12787	2419	6	in	in	IN
12787	2419	7	a	a	DT
12787	2419	8	hood	hood	NN
12787	2419	9	with	with	IN
12787	2419	10	a	a	DT
12787	2419	11	good	good	JJ
12787	2419	12	draft	draft	NN
12787	2419	13	and	and	CC
12787	2419	14	great	great	JJ
12787	2419	15	care	care	NN
12787	2419	16	must	must	MD
12787	2419	17	be	be	VB
12787	2419	18	taken	take	VBN
12787	2419	19	not	not	RB
12787	2419	20	to	to	TO
12787	2419	21	come	come	VB
12787	2419	22	into	into	IN
12787	2419	23	contact	contact	NN
12787	2419	24	with	with	IN
12787	2419	25	the	the	DT
12787	2419	26	acid	acid	NN
12787	2419	27	or	or	CC
12787	2419	28	to	to	TO
12787	2419	29	inhale	inhale	VB
12787	2419	30	its	-PRON-	PRP$
12787	2419	31	fumes	fume	NNS
12787	2419	32	(	(	-LRB-
12787	2419	33	Note	note	NN
12787	2419	34	2	2	CD
12787	2419	35	!	!	.
12787	2419	36	)	)	-RRB-
12787	2419	37	.	.	.
12787	2420	1	If	if	IN
12787	2420	2	the	the	DT
12787	2420	3	precipitate	precipitate	NN
12787	2420	4	has	have	VBZ
12787	2420	5	dissolved	dissolve	VBN
12787	2420	6	in	in	IN
12787	2420	7	this	this	DT
12787	2420	8	quantity	quantity	NN
12787	2420	9	of	of	IN
12787	2420	10	acid	acid	NN
12787	2420	11	,	,	,
12787	2420	12	add	add	VB
12787	2420	13	two	two	CD
12787	2420	14	drops	drop	NNS
12787	2420	15	of	of	IN
12787	2420	16	concentrated	concentrated	JJ
12787	2420	17	sulphuric	sulphuric	JJ
12787	2420	18	acid	acid	NN
12787	2420	19	,	,	,
12787	2420	20	and	and	CC
12787	2420	21	heat	heat	NN
12787	2420	22	very	very	RB
12787	2420	23	slowly	slowly	RB
12787	2420	24	(	(	-LRB-
12787	2420	25	always	always	RB
12787	2420	26	under	under	IN
12787	2420	27	the	the	DT
12787	2420	28	hood	hood	NN
12787	2420	29	)	)	-RRB-
12787	2420	30	until	until	IN
12787	2420	31	all	all	PDT
12787	2420	32	the	the	DT
12787	2420	33	liquid	liquid	NN
12787	2420	34	has	have	VBZ
12787	2420	35	evaporated	evaporate	VBN
12787	2420	36	,	,	,
12787	2420	37	finally	finally	RB
12787	2420	38	igniting	ignite	VBG
12787	2420	39	to	to	TO
12787	2420	40	redness	redness	NN
12787	2420	41	.	.	.
12787	2421	1	Cool	cool	JJ
12787	2421	2	in	in	IN
12787	2421	3	a	a	DT
12787	2421	4	desiccator	desiccator	NN
12787	2421	5	,	,	,
12787	2421	6	and	and	CC
12787	2421	7	weigh	weigh	VB
12787	2421	8	the	the	DT
12787	2421	9	crucible	crucible	JJ
12787	2421	10	and	and	CC
12787	2421	11	residue	residue	NN
12787	2421	12	.	.	.
12787	2422	1	Deduct	deduct	VB
12787	2422	2	this	this	DT
12787	2422	3	weight	weight	NN
12787	2422	4	from	from	IN
12787	2422	5	the	the	DT
12787	2422	6	previous	previous	JJ
12787	2422	7	weight	weight	NN
12787	2422	8	of	of	IN
12787	2422	9	crucible	crucible	JJ
12787	2422	10	and	and	CC
12787	2422	11	impure	impure	VB
12787	2422	12	silica	silica	NN
12787	2422	13	,	,	,
12787	2422	14	and	and	CC
12787	2422	15	from	from	IN
12787	2422	16	the	the	DT
12787	2422	17	difference	difference	NN
12787	2422	18	calculate	calculate	VB
12787	2422	19	the	the	DT
12787	2422	20	percentage	percentage	NN
12787	2422	21	of	of	IN
12787	2422	22	silica	silica	NN
12787	2422	23	in	in	IN
12787	2422	24	the	the	DT
12787	2422	25	sample	sample	NN
12787	2422	26	(	(	-LRB-
12787	2422	27	Note	note	NN
12787	2422	28	3	3	CD
12787	2422	29	)	)	-RRB-
12787	2422	30	.	.	.
12787	2423	1	[	[	-LRB-
12787	2423	2	Note	note	NN
12787	2423	3	1	1	CD
12787	2423	4	:	:	:
12787	2423	5	The	the	DT
12787	2423	6	silica	silica	NN
12787	2423	7	undergoes	undergo	VBZ
12787	2423	8	no	no	DT
12787	2423	9	change	change	NN
12787	2423	10	during	during	IN
12787	2423	11	the	the	DT
12787	2423	12	ignition	ignition	NN
12787	2423	13	beyond	beyond	IN
12787	2423	14	the	the	DT
12787	2423	15	removal	removal	NN
12787	2423	16	of	of	IN
12787	2423	17	all	all	DT
12787	2423	18	traces	trace	NNS
12787	2423	19	of	of	IN
12787	2423	20	water	water	NN
12787	2423	21	;	;	:
12787	2423	22	but	but	CC
12787	2423	23	Hillebrand	Hillebrand	NNP
12787	2423	24	(	(	-LRB-
12787	2423	25	!	!	.
12787	2423	26	loc	loc	NNP
12787	2423	27	.	.	.
12787	2424	1	cit	cit	NNP
12787	2424	2	.	.	.
12787	2424	3	!	!	.
12787	2424	4	)	)	-RRB-
12787	2425	1	has	have	VBZ
12787	2425	2	shown	show	VBN
12787	2425	3	that	that	IN
12787	2425	4	the	the	DT
12787	2425	5	silica	silica	NN
12787	2425	6	holds	hold	VBZ
12787	2425	7	moisture	moisture	NN
12787	2425	8	so	so	RB
12787	2425	9	tenaciously	tenaciously	RB
12787	2425	10	that	that	IN
12787	2425	11	prolonged	prolong	VBD
12787	2425	12	ignition	ignition	NN
12787	2425	13	over	over	IN
12787	2425	14	the	the	DT
12787	2425	15	blast	blast	NN
12787	2425	16	lamp	lamp	NN
12787	2425	17	is	be	VBZ
12787	2425	18	necessary	necessary	JJ
12787	2425	19	to	to	TO
12787	2425	20	remove	remove	VB
12787	2425	21	it	-PRON-	PRP
12787	2425	22	entirely	entirely	RB
12787	2425	23	.	.	.
12787	2426	1	This	this	DT
12787	2426	2	finely	finely	RB
12787	2426	3	divided	divide	VBD
12787	2426	4	,	,	,
12787	2426	5	ignited	ignite	VBD
12787	2426	6	silica	silica	NN
12787	2426	7	tends	tend	VBZ
12787	2426	8	to	to	TO
12787	2426	9	absorb	absorb	VB
12787	2426	10	moisture	moisture	NN
12787	2426	11	,	,	,
12787	2426	12	and	and	CC
12787	2426	13	should	should	MD
12787	2426	14	be	be	VB
12787	2426	15	weighed	weigh	VBN
12787	2426	16	quickly	quickly	RB
12787	2426	17	.	.	.
12787	2426	18	]	]	-RRB-
12787	2427	1	[	[	-LRB-
12787	2427	2	Note	note	NN
12787	2427	3	2	2	CD
12787	2427	4	:	:	:
12787	2427	5	Notwithstanding	notwithstanding	IN
12787	2427	6	all	all	DT
12787	2427	7	precautions	precaution	NNS
12787	2427	8	,	,	,
12787	2427	9	the	the	DT
12787	2427	10	ignited	ignited	JJ
12787	2427	11	precipitate	precipitate	NN
12787	2427	12	of	of	IN
12787	2427	13	silica	silica	NNP
12787	2427	14	is	be	VBZ
12787	2427	15	rarely	rarely	RB
12787	2427	16	wholly	wholly	RB
12787	2427	17	pure	pure	JJ
12787	2427	18	.	.	.
12787	2428	1	It	-PRON-	PRP
12787	2428	2	is	be	VBZ
12787	2428	3	tested	test	VBN
12787	2428	4	by	by	IN
12787	2428	5	volatilisation	volatilisation	NN
12787	2428	6	of	of	IN
12787	2428	7	the	the	DT
12787	2428	8	silica	silica	NN
12787	2428	9	as	as	IN
12787	2428	10	silicon	silicon	NN
12787	2428	11	fluoride	fluoride	NN
12787	2428	12	after	after	IN
12787	2428	13	solution	solution	NN
12787	2428	14	in	in	IN
12787	2428	15	hydrofluoric	hydrofluoric	NN
12787	2428	16	acid	acid	NN
12787	2428	17	,	,	,
12787	2428	18	and	and	CC
12787	2428	19	,	,	,
12787	2428	20	if	if	IN
12787	2428	21	the	the	DT
12787	2428	22	analysis	analysis	NN
12787	2428	23	has	have	VBZ
12787	2428	24	been	be	VBN
12787	2428	25	properly	properly	RB
12787	2428	26	conducted	conduct	VBN
12787	2428	27	,	,	,
12787	2428	28	the	the	DT
12787	2428	29	residue	residue	NN
12787	2428	30	,	,	,
12787	2428	31	after	after	IN
12787	2428	32	treatment	treatment	NN
12787	2428	33	with	with	IN
12787	2428	34	the	the	DT
12787	2428	35	acids	acid	NNS
12787	2428	36	and	and	CC
12787	2428	37	ignition	ignition	NN
12787	2428	38	,	,	,
12787	2428	39	should	should	MD
12787	2428	40	not	not	RB
12787	2428	41	exceed	exceed	VB
12787	2428	42	1	1	CD
12787	2428	43	mg	mg	NNP
12787	2428	44	.	.	.
12787	2429	1	The	the	DT
12787	2429	2	acid	acid	NN
12787	2429	3	produces	produce	VBZ
12787	2429	4	ulceration	ulceration	NN
12787	2429	5	if	if	IN
12787	2429	6	brought	bring	VBN
12787	2429	7	into	into	IN
12787	2429	8	contact	contact	NN
12787	2429	9	with	with	IN
12787	2429	10	the	the	DT
12787	2429	11	skin	skin	NN
12787	2429	12	,	,	,
12787	2429	13	and	and	CC
12787	2429	14	its	-PRON-	PRP$
12787	2429	15	fumes	fume	NNS
12787	2429	16	are	be	VBP
12787	2429	17	excessively	excessively	RB
12787	2429	18	harmful	harmful	JJ
12787	2429	19	if	if	IN
12787	2429	20	inhaled	inhale	VBN
12787	2429	21	.	.	.
12787	2429	22	]	]	-RRB-
12787	2430	1	[	[	-LRB-
12787	2430	2	Note	note	NN
12787	2430	3	3	3	CD
12787	2430	4	:	:	:
12787	2430	5	The	the	DT
12787	2430	6	impurities	impurity	NNS
12787	2430	7	are	be	VBP
12787	2430	8	probably	probably	RB
12787	2430	9	weighed	weigh	VBN
12787	2430	10	with	with	IN
12787	2430	11	the	the	DT
12787	2430	12	original	original	JJ
12787	2430	13	precipitate	precipitate	NN
12787	2430	14	in	in	IN
12787	2430	15	the	the	DT
12787	2430	16	form	form	NN
12787	2430	17	of	of	IN
12787	2430	18	oxides	oxide	NNS
12787	2430	19	.	.	.
12787	2431	1	The	the	DT
12787	2431	2	addition	addition	NN
12787	2431	3	of	of	IN
12787	2431	4	the	the	DT
12787	2431	5	sulphuric	sulphuric	JJ
12787	2431	6	acid	acid	NN
12787	2431	7	displaces	displace	NNS
12787	2431	8	the	the	DT
12787	2431	9	hydrofluoric	hydrofluoric	NN
12787	2431	10	acid	acid	NN
12787	2431	11	,	,	,
12787	2431	12	and	and	CC
12787	2431	13	it	-PRON-	PRP
12787	2431	14	may	may	MD
12787	2431	15	be	be	VB
12787	2431	16	assumed	assume	VBN
12787	2431	17	that	that	IN
12787	2431	18	the	the	DT
12787	2431	19	resulting	result	VBG
12787	2431	20	sulphates	sulphate	NNS
12787	2431	21	(	(	-LRB-
12787	2431	22	usually	usually	RB
12787	2431	23	of	of	IN
12787	2431	24	iron	iron	NN
12787	2431	25	or	or	CC
12787	2431	26	aluminium	aluminium	NN
12787	2431	27	)	)	-RRB-
12787	2431	28	are	be	VBP
12787	2431	29	converted	convert	VBN
12787	2431	30	to	to	IN
12787	2431	31	oxides	oxide	NNS
12787	2431	32	by	by	IN
12787	2431	33	the	the	DT
12787	2431	34	final	final	JJ
12787	2431	35	ignition	ignition	NN
12787	2431	36	.	.	.
12787	2432	1	It	-PRON-	PRP
12787	2432	2	is	be	VBZ
12787	2432	3	obvious	obvious	JJ
12787	2432	4	that	that	IN
12787	2432	5	unless	unless	IN
12787	2432	6	the	the	DT
12787	2432	7	sulphuric	sulphuric	JJ
12787	2432	8	and	and	CC
12787	2432	9	hydrofluoric	hydrofluoric	JJ
12787	2432	10	acids	acid	NNS
12787	2432	11	used	use	VBN
12787	2432	12	are	be	VBP
12787	2432	13	known	know	VBN
12787	2432	14	to	to	TO
12787	2432	15	leave	leave	VB
12787	2432	16	no	no	DT
12787	2432	17	residue	residue	NN
12787	2432	18	on	on	IN
12787	2432	19	evaporation	evaporation	NN
12787	2432	20	,	,	,
12787	2432	21	a	a	DT
12787	2432	22	quantity	quantity	NN
12787	2432	23	equal	equal	JJ
12787	2432	24	to	to	IN
12787	2432	25	that	that	DT
12787	2432	26	employed	employ	VBN
12787	2432	27	in	in	IN
12787	2432	28	the	the	DT
12787	2432	29	analysis	analysis	NN
12787	2432	30	must	must	MD
12787	2432	31	be	be	VB
12787	2432	32	evaporated	evaporate	VBN
12787	2432	33	and	and	CC
12787	2432	34	a	a	DT
12787	2432	35	correction	correction	NN
12787	2432	36	applied	apply	VBN
12787	2432	37	for	for	IN
12787	2432	38	any	any	DT
12787	2432	39	residue	residue	NN
12787	2432	40	found	find	VBN
12787	2432	41	.	.	.
12787	2432	42	]	]	-RRB-
12787	2433	1	[	[	-LRB-
12787	2433	2	Note	note	NN
12787	2433	3	4	4	CD
12787	2433	4	:	:	:
12787	2433	5	If	if	IN
12787	2433	6	the	the	DT
12787	2433	7	silicate	silicate	NN
12787	2433	8	to	to	TO
12787	2433	9	be	be	VB
12787	2433	10	analyzed	analyze	VBN
12787	2433	11	is	be	VBZ
12787	2433	12	shown	show	VBN
12787	2433	13	by	by	IN
12787	2433	14	a	a	DT
12787	2433	15	previous	previous	JJ
12787	2433	16	qualitative	qualitative	JJ
12787	2433	17	examination	examination	NN
12787	2433	18	to	to	TO
12787	2433	19	be	be	VB
12787	2433	20	completely	completely	RB
12787	2433	21	decomposable	decomposable	JJ
12787	2433	22	,	,	,
12787	2433	23	it	-PRON-	PRP
12787	2433	24	may	may	MD
12787	2433	25	be	be	VB
12787	2433	26	directly	directly	RB
12787	2433	27	treated	treat	VBN
12787	2433	28	with	with	IN
12787	2433	29	hydrochloric	hydrochloric	JJ
12787	2433	30	acid	acid	NN
12787	2433	31	,	,	,
12787	2433	32	the	the	DT
12787	2433	33	solution	solution	NN
12787	2433	34	evaporated	evaporate	VBD
12787	2433	35	to	to	IN
12787	2433	36	dryness	dryness	NN
12787	2433	37	,	,	,
12787	2433	38	and	and	CC
12787	2433	39	the	the	DT
12787	2433	40	silica	silica	NN
12787	2433	41	dehydrated	dehydrate	VBN
12787	2433	42	and	and	CC
12787	2433	43	further	further	RB
12787	2433	44	treated	treat	VBN
12787	2433	45	as	as	IN
12787	2433	46	described	describe	VBN
12787	2433	47	in	in	IN
12787	2433	48	the	the	DT
12787	2433	49	case	case	NN
12787	2433	50	of	of	IN
12787	2433	51	the	the	DT
12787	2433	52	feldspar	feldspar	NN
12787	2433	53	after	after	IN
12787	2433	54	fusion	fusion	NN
12787	2433	55	.	.	.
12787	2434	1	A	a	DT
12787	2434	2	silicate	silicate	NN
12787	2434	3	which	which	WDT
12787	2434	4	gelatinizes	gelatinize	VBZ
12787	2434	5	on	on	IN
12787	2434	6	treatment	treatment	NN
12787	2434	7	with	with	IN
12787	2434	8	acids	acid	NNS
12787	2434	9	should	should	MD
12787	2434	10	be	be	VB
12787	2434	11	mixed	mix	VBN
12787	2434	12	first	first	RB
12787	2434	13	with	with	IN
12787	2434	14	a	a	DT
12787	2434	15	little	little	JJ
12787	2434	16	water	water	NN
12787	2434	17	,	,	,
12787	2434	18	and	and	CC
12787	2434	19	the	the	DT
12787	2434	20	strong	strong	JJ
12787	2434	21	acid	acid	NN
12787	2434	22	added	add	VBN
12787	2434	23	in	in	IN
12787	2434	24	small	small	JJ
12787	2434	25	portions	portion	NNS
12787	2434	26	with	with	IN
12787	2434	27	stirring	stirring	NN
12787	2434	28	,	,	,
12787	2434	29	otherwise	otherwise	RB
12787	2434	30	the	the	DT
12787	2434	31	gelatinous	gelatinous	JJ
12787	2434	32	silicic	silicic	NN
12787	2434	33	acid	acid	NN
12787	2434	34	incloses	inclose	VBZ
12787	2434	35	particles	particle	NNS
12787	2434	36	of	of	IN
12787	2434	37	the	the	DT
12787	2434	38	original	original	JJ
12787	2434	39	silicate	silicate	NN
12787	2434	40	and	and	CC
12787	2434	41	prevents	prevent	VBZ
12787	2434	42	decomposition	decomposition	NN
12787	2434	43	.	.	.
12787	2435	1	The	the	DT
12787	2435	2	water	water	NN
12787	2435	3	,	,	,
12787	2435	4	by	by	IN
12787	2435	5	separating	separate	VBG
12787	2435	6	the	the	DT
12787	2435	7	particles	particle	NNS
12787	2435	8	and	and	CC
12787	2435	9	slightly	slightly	RB
12787	2435	10	lessening	lessen	VBG
12787	2435	11	the	the	DT
12787	2435	12	rapidity	rapidity	NN
12787	2435	13	of	of	IN
12787	2435	14	action	action	NN
12787	2435	15	,	,	,
12787	2435	16	prevents	prevent	VBZ
12787	2435	17	this	this	DT
12787	2435	18	difficulty	difficulty	NN
12787	2435	19	.	.	.
12787	2436	1	This	this	DT
12787	2436	2	procedure	procedure	NN
12787	2436	3	is	be	VBZ
12787	2436	4	one	one	CD
12787	2436	5	which	which	WDT
12787	2436	6	applies	apply	VBZ
12787	2436	7	in	in	IN
12787	2436	8	general	general	JJ
12787	2436	9	to	to	IN
12787	2436	10	the	the	DT
12787	2436	11	solution	solution	NN
12787	2436	12	of	of	IN
12787	2436	13	fine	fine	JJ
12787	2436	14	mineral	mineral	NN
12787	2436	15	powders	powder	NNS
12787	2436	16	in	in	IN
12787	2436	17	acids	acid	NNS
12787	2436	18	.	.	.
12787	2437	1	If	if	IN
12787	2437	2	a	a	DT
12787	2437	3	small	small	JJ
12787	2437	4	residue	residue	NN
12787	2437	5	remains	remain	VBZ
12787	2437	6	undecomposed	undecompose	VBN
12787	2437	7	by	by	IN
12787	2437	8	the	the	DT
12787	2437	9	treatment	treatment	NN
12787	2437	10	of	of	IN
12787	2437	11	the	the	DT
12787	2437	12	silicate	silicate	NN
12787	2437	13	with	with	IN
12787	2437	14	acid	acid	NN
12787	2437	15	,	,	,
12787	2437	16	this	this	DT
12787	2437	17	may	may	MD
12787	2437	18	be	be	VB
12787	2437	19	filtered	filter	VBN
12787	2437	20	,	,	,
12787	2437	21	washed	wash	VBN
12787	2437	22	,	,	,
12787	2437	23	ignited	ignite	VBD
12787	2437	24	and	and	CC
12787	2437	25	fused	fuse	VBN
12787	2437	26	with	with	IN
12787	2437	27	sodium	sodium	NN
12787	2437	28	carbonate	carbonate	NN
12787	2437	29	and	and	CC
12787	2437	30	a	a	DT
12787	2437	31	solution	solution	NN
12787	2437	32	of	of	IN
12787	2437	33	the	the	DT
12787	2437	34	fused	fuse	VBN
12787	2437	35	mass	mass	NN
12787	2437	36	added	add	VBN
12787	2437	37	to	to	IN
12787	2437	38	the	the	DT
12787	2437	39	original	original	JJ
12787	2437	40	acid	acid	NN
12787	2437	41	solution	solution	NN
12787	2437	42	.	.	.
12787	2438	1	This	this	DT
12787	2438	2	double	double	JJ
12787	2438	3	procedure	procedure	NN
12787	2438	4	has	have	VBZ
12787	2438	5	an	an	DT
12787	2438	6	advantage	advantage	NN
12787	2438	7	,	,	,
12787	2438	8	in	in	IN
12787	2438	9	that	that	IN
12787	2438	10	it	-PRON-	PRP
12787	2438	11	avoids	avoid	VBZ
12787	2438	12	adding	add	VBG
12787	2438	13	so	so	RB
12787	2438	14	large	large	JJ
12787	2438	15	a	a	DT
12787	2438	16	quantity	quantity	NN
12787	2438	17	of	of	IN
12787	2438	18	sodium	sodium	NN
12787	2438	19	salts	salt	NNS
12787	2438	20	as	as	IN
12787	2438	21	is	be	VBZ
12787	2438	22	required	require	VBN
12787	2438	23	for	for	IN
12787	2438	24	disintegration	disintegration	NN
12787	2438	25	of	of	IN
12787	2438	26	the	the	DT
12787	2438	27	whole	whole	NN
12787	2438	28	of	of	IN
12787	2438	29	the	the	DT
12787	2438	30	silicate	silicate	NN
12787	2438	31	by	by	IN
12787	2438	32	the	the	DT
12787	2438	33	fusion	fusion	NN
12787	2438	34	method	method	NN
12787	2438	35	.	.	.
12787	2438	36	]	]	-RRB-
12787	2439	1	PART	PART	NNP
12787	2439	2	IV	IV	NNP
12787	2439	3	STOICHIOMETRY	stoichiometry	NN
12787	2439	4	The	the	DT
12787	2439	5	problems	problem	NNS
12787	2439	6	with	with	IN
12787	2439	7	which	which	WDT
12787	2439	8	the	the	DT
12787	2439	9	analytical	analytical	JJ
12787	2439	10	chemist	chemist	NN
12787	2439	11	has	have	VBZ
12787	2439	12	to	to	TO
12787	2439	13	deal	deal	VB
12787	2439	14	are	be	VBP
12787	2439	15	not	not	RB
12787	2439	16	,	,	,
12787	2439	17	as	as	IN
12787	2439	18	a	a	DT
12787	2439	19	matter	matter	NN
12787	2439	20	of	of	IN
12787	2439	21	actual	actual	JJ
12787	2439	22	fact	fact	NN
12787	2439	23	,	,	,
12787	2439	24	difficult	difficult	JJ
12787	2439	25	either	either	CC
12787	2439	26	to	to	TO
12787	2439	27	solve	solve	VB
12787	2439	28	or	or	CC
12787	2439	29	to	to	TO
12787	2439	30	understand	understand	VB
12787	2439	31	.	.	.
12787	2440	1	That	that	IN
12787	2440	2	they	-PRON-	PRP
12787	2440	3	appear	appear	VBP
12787	2440	4	difficult	difficult	JJ
12787	2440	5	to	to	IN
12787	2440	6	many	many	JJ
12787	2440	7	students	student	NNS
12787	2440	8	is	be	VBZ
12787	2440	9	due	due	JJ
12787	2440	10	to	to	IN
12787	2440	11	the	the	DT
12787	2440	12	fact	fact	NN
12787	2440	13	that	that	IN
12787	2440	14	,	,	,
12787	2440	15	instead	instead	RB
12787	2440	16	of	of	IN
12787	2440	17	understanding	understand	VBG
12787	2440	18	the	the	DT
12787	2440	19	principles	principle	NNS
12787	2440	20	which	which	WDT
12787	2440	21	underlie	underlie	VBP
12787	2440	22	each	each	DT
12787	2440	23	of	of	IN
12787	2440	24	the	the	DT
12787	2440	25	small	small	JJ
12787	2440	26	number	number	NN
12787	2440	27	of	of	IN
12787	2440	28	types	type	NNS
12787	2440	29	into	into	IN
12787	2440	30	which	which	WDT
12787	2440	31	these	these	DT
12787	2440	32	problems	problem	NNS
12787	2440	33	may	may	MD
12787	2440	34	be	be	VB
12787	2440	35	grouped	group	VBN
12787	2440	36	,	,	,
12787	2440	37	each	each	DT
12787	2440	38	problem	problem	NN
12787	2440	39	is	be	VBZ
12787	2440	40	approached	approach	VBN
12787	2440	41	as	as	IN
12787	2440	42	an	an	DT
12787	2440	43	individual	individual	JJ
12787	2440	44	puzzle	puzzle	NN
12787	2440	45	,	,	,
12787	2440	46	unrelated	unrelated	JJ
12787	2440	47	to	to	IN
12787	2440	48	others	other	NNS
12787	2440	49	already	already	RB
12787	2440	50	solved	solve	VBD
12787	2440	51	or	or	CC
12787	2440	52	explained	explain	VBN
12787	2440	53	.	.	.
12787	2441	1	This	this	DT
12787	2441	2	attitude	attitude	NN
12787	2441	3	of	of	IN
12787	2441	4	mind	mind	NN
12787	2441	5	should	should	MD
12787	2441	6	be	be	VB
12787	2441	7	carefully	carefully	RB
12787	2441	8	avoided	avoid	VBN
12787	2441	9	.	.	.
12787	2442	1	It	-PRON-	PRP
12787	2442	2	is	be	VBZ
12787	2442	3	obvious	obvious	JJ
12787	2442	4	that	that	DT
12787	2442	5	ability	ability	NN
12787	2442	6	to	to	TO
12787	2442	7	make	make	VB
12787	2442	8	the	the	DT
12787	2442	9	calculations	calculation	NNS
12787	2442	10	necessary	necessary	JJ
12787	2442	11	for	for	IN
12787	2442	12	the	the	DT
12787	2442	13	interpretation	interpretation	NN
12787	2442	14	of	of	IN
12787	2442	15	analytical	analytical	JJ
12787	2442	16	data	datum	NNS
12787	2442	17	is	be	VBZ
12787	2442	18	no	no	DT
12787	2442	19	less	less	RBR
12787	2442	20	important	important	JJ
12787	2442	21	than	than	IN
12787	2442	22	the	the	DT
12787	2442	23	manipulative	manipulative	JJ
12787	2442	24	skill	skill	NN
12787	2442	25	required	require	VBN
12787	2442	26	to	to	TO
12787	2442	27	obtain	obtain	VB
12787	2442	28	them	-PRON-	PRP
12787	2442	29	,	,	,
12787	2442	30	and	and	CC
12787	2442	31	that	that	IN
12787	2442	32	a	a	DT
12787	2442	33	moderate	moderate	JJ
12787	2442	34	time	time	NN
12787	2442	35	spent	spend	VBN
12787	2442	36	in	in	IN
12787	2442	37	the	the	DT
12787	2442	38	careful	careful	JJ
12787	2442	39	study	study	NN
12787	2442	40	of	of	IN
12787	2442	41	the	the	DT
12787	2442	42	solutions	solution	NNS
12787	2442	43	of	of	IN
12787	2442	44	the	the	DT
12787	2442	45	typical	typical	JJ
12787	2442	46	problems	problem	NNS
12787	2442	47	which	which	WDT
12787	2442	48	follow	follow	VBP
12787	2442	49	may	may	MD
12787	2442	50	save	save	VB
12787	2442	51	much	much	RB
12787	2442	52	later	later	JJ
12787	2442	53	embarrassment	embarrassment	NN
12787	2442	54	.	.	.
12787	2443	1	1	1	LS
12787	2443	2	.	.	.
12787	2444	1	It	-PRON-	PRP
12787	2444	2	is	be	VBZ
12787	2444	3	often	often	RB
12787	2444	4	necessary	necessary	JJ
12787	2444	5	to	to	TO
12787	2444	6	calculate	calculate	VB
12787	2444	7	what	what	WP
12787	2444	8	is	be	VBZ
12787	2444	9	known	know	VBN
12787	2444	10	as	as	IN
12787	2444	11	a	a	DT
12787	2444	12	"	"	``
12787	2444	13	chemical	chemical	NN
12787	2444	14	factor	factor	NN
12787	2444	15	,	,	,
12787	2444	16	"	"	''
12787	2444	17	or	or	CC
12787	2444	18	its	-PRON-	PRP$
12787	2444	19	equivalent	equivalent	JJ
12787	2444	20	logarithmic	logarithmic	JJ
12787	2444	21	value	value	NN
12787	2444	22	called	call	VBD
12787	2444	23	a	a	DT
12787	2444	24	"	"	``
12787	2444	25	log	log	NN
12787	2444	26	factor	factor	NN
12787	2444	27	,	,	,
12787	2444	28	"	"	''
12787	2444	29	for	for	IN
12787	2444	30	the	the	DT
12787	2444	31	conversion	conversion	NN
12787	2444	32	of	of	IN
12787	2444	33	the	the	DT
12787	2444	34	weight	weight	NN
12787	2444	35	of	of	IN
12787	2444	36	a	a	DT
12787	2444	37	given	give	VBN
12787	2444	38	chemical	chemical	NN
12787	2444	39	substance	substance	NN
12787	2444	40	into	into	IN
12787	2444	41	an	an	DT
12787	2444	42	equivalent	equivalent	JJ
12787	2444	43	weight	weight	NN
12787	2444	44	of	of	IN
12787	2444	45	another	another	DT
12787	2444	46	substance	substance	NN
12787	2444	47	.	.	.
12787	2445	1	This	this	DT
12787	2445	2	is	be	VBZ
12787	2445	3	,	,	,
12787	2445	4	in	in	IN
12787	2445	5	reality	reality	NN
12787	2445	6	,	,	,
12787	2445	7	a	a	DT
12787	2445	8	very	very	RB
12787	2445	9	simple	simple	JJ
12787	2445	10	problem	problem	NN
12787	2445	11	in	in	IN
12787	2445	12	proportion	proportion	NN
12787	2445	13	,	,	,
12787	2445	14	making	make	VBG
12787	2445	15	use	use	NN
12787	2445	16	of	of	IN
12787	2445	17	the	the	DT
12787	2445	18	atomic	atomic	JJ
12787	2445	19	or	or	CC
12787	2445	20	molecular	molecular	JJ
12787	2445	21	weights	weight	NNS
12787	2445	22	of	of	IN
12787	2445	23	the	the	DT
12787	2445	24	substances	substance	NNS
12787	2445	25	in	in	IN
12787	2445	26	question	question	NN
12787	2445	27	which	which	WDT
12787	2445	28	are	be	VBP
12787	2445	29	chemically	chemically	RB
12787	2445	30	equivalent	equivalent	JJ
12787	2445	31	to	to	IN
12787	2445	32	each	each	DT
12787	2445	33	other	other	JJ
12787	2445	34	.	.	.
12787	2446	1	One	one	CD
12787	2446	2	of	of	IN
12787	2446	3	the	the	DT
12787	2446	4	simplest	simple	JJS
12787	2446	5	cases	case	NNS
12787	2446	6	of	of	IN
12787	2446	7	this	this	DT
12787	2446	8	sort	sort	NN
12787	2446	9	is	be	VBZ
12787	2446	10	the	the	DT
12787	2446	11	following	follow	VBG
12787	2446	12	:	:	:
12787	2446	13	What	what	WP
12787	2446	14	is	be	VBZ
12787	2446	15	the	the	DT
12787	2446	16	factor	factor	NN
12787	2446	17	for	for	IN
12787	2446	18	the	the	DT
12787	2446	19	conversion	conversion	NN
12787	2446	20	of	of	IN
12787	2446	21	a	a	DT
12787	2446	22	given	give	VBN
12787	2446	23	weight	weight	NN
12787	2446	24	of	of	IN
12787	2446	25	barium	barium	NN
12787	2446	26	sulphate	sulphate	NN
12787	2446	27	(	(	-LRB-
12787	2446	28	BaSO_{4	BaSO_{4	NNP
12787	2446	29	}	}	-RRB-
12787	2446	30	)	)	-RRB-
12787	2446	31	into	into	IN
12787	2446	32	an	an	DT
12787	2446	33	equivalent	equivalent	JJ
12787	2446	34	weight	weight	NN
12787	2446	35	of	of	IN
12787	2446	36	sulphur	sulphur	NNP
12787	2446	37	(	(	-LRB-
12787	2446	38	S	S	NNP
12787	2446	39	)	)	-RRB-
12787	2446	40	?	?	.
12787	2447	1	The	the	DT
12787	2447	2	molecular	molecular	JJ
12787	2447	3	weight	weight	NN
12787	2447	4	of	of	IN
12787	2447	5	BaSO_{4	BaSO_{4	NNP
12787	2447	6	}	}	-RRB-
12787	2447	7	is	be	VBZ
12787	2447	8	233.5	233.5	CD
12787	2447	9	.	.	.
12787	2448	1	There	there	EX
12787	2448	2	is	be	VBZ
12787	2448	3	one	one	CD
12787	2448	4	atom	atom	NN
12787	2448	5	of	of	IN
12787	2448	6	S	s	NN
12787	2448	7	in	in	IN
12787	2448	8	the	the	DT
12787	2448	9	molecule	molecule	NN
12787	2448	10	and	and	CC
12787	2448	11	the	the	DT
12787	2448	12	atomic	atomic	JJ
12787	2448	13	weight	weight	NN
12787	2448	14	of	of	IN
12787	2448	15	S	S	NNP
12787	2448	16	is	be	VBZ
12787	2448	17	32.1	32.1	CD
12787	2448	18	.	.	.
12787	2449	1	The	the	DT
12787	2449	2	chemical	chemical	NN
12787	2449	3	factor	factor	NN
12787	2449	4	is	be	VBZ
12787	2449	5	,	,	,
12787	2449	6	therefore	therefore	RB
12787	2449	7	,	,	,
12787	2449	8	32.1/233.5	32.1/233.5	CD
12787	2449	9	,	,	,
12787	2449	10	or	or	CC
12787	2449	11	0.1375	0.1375	CD
12787	2449	12	and	and	CC
12787	2449	13	the	the	DT
12787	2449	14	weight	weight	NN
12787	2449	15	of	of	IN
12787	2449	16	S	S	NNP
12787	2449	17	corresponding	correspond	VBG
12787	2449	18	to	to	IN
12787	2449	19	a	a	DT
12787	2449	20	given	give	VBN
12787	2449	21	weight	weight	NN
12787	2449	22	of	of	IN
12787	2449	23	BaSO_{4	BaSO_{4	NNP
12787	2449	24	}	}	-RRB-
12787	2449	25	is	be	VBZ
12787	2449	26	found	find	VBN
12787	2449	27	by	by	IN
12787	2449	28	multiplying	multiply	VBG
12787	2449	29	the	the	DT
12787	2449	30	weight	weight	NN
12787	2449	31	of	of	IN
12787	2449	32	BaSO_{4	BaSO_{4	NNP
12787	2449	33	}	}	-RRB-
12787	2449	34	by	by	IN
12787	2449	35	this	this	DT
12787	2449	36	factor	factor	NN
12787	2449	37	.	.	.
12787	2450	1	If	if	IN
12787	2450	2	the	the	DT
12787	2450	3	problem	problem	NN
12787	2450	4	takes	take	VBZ
12787	2450	5	the	the	DT
12787	2450	6	form	form	NN
12787	2450	7	,	,	,
12787	2450	8	"	"	''
12787	2450	9	What	what	WP
12787	2450	10	is	be	VBZ
12787	2450	11	the	the	DT
12787	2450	12	factor	factor	NN
12787	2450	13	for	for	IN
12787	2450	14	the	the	DT
12787	2450	15	conversion	conversion	NN
12787	2450	16	of	of	IN
12787	2450	17	a	a	DT
12787	2450	18	given	give	VBN
12787	2450	19	weight	weight	NN
12787	2450	20	of	of	IN
12787	2450	21	ferric	ferric	JJ
12787	2450	22	oxide	oxide	NN
12787	2450	23	(	(	-LRB-
12787	2450	24	Fe_{2}O_{3	fe_{2}o_{3	CD
12787	2450	25	}	}	-RRB-
12787	2450	26	)	)	-RRB-
12787	2450	27	into	into	IN
12787	2450	28	ferrous	ferrous	JJ
12787	2450	29	oxide	oxide	NN
12787	2450	30	(	(	-LRB-
12787	2450	31	FeO	FeO	NNP
12787	2450	32	)	)	-RRB-
12787	2450	33	,	,	,
12787	2450	34	or	or	CC
12787	2450	35	of	of	IN
12787	2450	36	a	a	DT
12787	2450	37	given	give	VBN
12787	2450	38	weight	weight	NN
12787	2450	39	of	of	IN
12787	2450	40	mangano	mangano	JJ
12787	2450	41	-	-	HYPH
12787	2450	42	manganic	manganic	JJ
12787	2450	43	oxide	oxide	NN
12787	2450	44	(	(	-LRB-
12787	2450	45	Mn_{3}O_{4	mn_{3}o_{4	UH
12787	2450	46	}	}	-RRB-
12787	2450	47	)	)	-RRB-
12787	2450	48	into	into	IN
12787	2450	49	manganese	manganese	NNP
12787	2450	50	(	(	-LRB-
12787	2450	51	Mn	Mn	NNP
12787	2450	52	)	)	-RRB-
12787	2450	53	?	?	.
12787	2450	54	"	"	''
12787	2451	1	the	the	DT
12787	2451	2	principle	principle	NN
12787	2451	3	involved	involve	VBN
12787	2451	4	is	be	VBZ
12787	2451	5	the	the	DT
12787	2451	6	same	same	JJ
12787	2451	7	,	,	,
12787	2451	8	but	but	CC
12787	2451	9	it	-PRON-	PRP
12787	2451	10	must	must	MD
12787	2451	11	then	then	RB
12787	2451	12	be	be	VB
12787	2451	13	noted	note	VBN
12787	2451	14	that	that	IN
12787	2451	15	,	,	,
12787	2451	16	in	in	IN
12787	2451	17	the	the	DT
12787	2451	18	first	first	JJ
12787	2451	19	instance	instance	NN
12787	2451	20	,	,	,
12787	2451	21	each	each	DT
12787	2451	22	molecule	molecule	NN
12787	2451	23	of	of	IN
12787	2451	24	Fe_{2}O_{3	fe_{2}o_{3	CD
12787	2451	25	}	}	-RRB-
12787	2451	26	will	will	MD
12787	2451	27	be	be	VB
12787	2451	28	equivalent	equivalent	JJ
12787	2451	29	to	to	IN
12787	2451	30	two	two	CD
12787	2451	31	molecules	molecule	NNS
12787	2451	32	of	of	IN
12787	2451	33	FeO	FeO	NNP
12787	2451	34	,	,	,
12787	2451	35	and	and	CC
12787	2451	36	in	in	IN
12787	2451	37	the	the	DT
12787	2451	38	second	second	JJ
12787	2451	39	instance	instance	NN
12787	2451	40	that	that	IN
12787	2451	41	each	each	DT
12787	2451	42	molecule	molecule	NN
12787	2451	43	of	of	IN
12787	2451	44	Mn_{3}O_{4	mn_{3}o_{4	CD
12787	2451	45	}	}	-RRB-
12787	2451	46	is	be	VBZ
12787	2451	47	equivalent	equivalent	JJ
12787	2451	48	to	to	IN
12787	2451	49	three	three	CD
12787	2451	50	atoms	atom	NNS
12787	2451	51	of	of	IN
12787	2451	52	Mn	Mn	NNP
12787	2451	53	.	.	.
12787	2452	1	The	the	DT
12787	2452	2	respective	respective	JJ
12787	2452	3	factors	factor	NNS
12787	2452	4	then	then	RB
12787	2452	5	become	become	VBP
12787	2452	6	(	(	-LRB-
12787	2452	7	2FeO	2feo	CD
12787	2452	8	/	/	SYM
12787	2452	9	Fe_{2}O_{3	fe_{2}o_{3	CD
12787	2452	10	}	}	-RRB-
12787	2452	11	)	)	-RRB-
12787	2452	12	or	or	CC
12787	2452	13	(	(	-LRB-
12787	2452	14	143.6/159.6	143.6/159.6	CD
12787	2452	15	)	)	-RRB-
12787	2452	16	and	and	CC
12787	2452	17	(	(	-LRB-
12787	2452	18	3Mn	3Mn	NNP
12787	2452	19	/	/	SYM
12787	2452	20	Mn_{3}O_{4	mn_{3}o_{4	CD
12787	2452	21	}	}	-RRB-
12787	2452	22	)	)	-RRB-
12787	2452	23	or	or	CC
12787	2452	24	(	(	-LRB-
12787	2452	25	164.7/228.7	164.7/228.7	CD
12787	2452	26	)	)	-RRB-
12787	2452	27	.	.	.
12787	2453	1	It	-PRON-	PRP
12787	2453	2	is	be	VBZ
12787	2453	3	obvious	obvious	JJ
12787	2453	4	that	that	IN
12787	2453	5	the	the	DT
12787	2453	6	arithmetical	arithmetical	JJ
12787	2453	7	processes	process	NNS
12787	2453	8	involved	involve	VBN
12787	2453	9	in	in	IN
12787	2453	10	this	this	DT
12787	2453	11	type	type	NN
12787	2453	12	of	of	IN
12787	2453	13	problem	problem	NN
12787	2453	14	are	be	VBP
12787	2453	15	extremely	extremely	RB
12787	2453	16	simple	simple	JJ
12787	2453	17	.	.	.
12787	2454	1	It	-PRON-	PRP
12787	2454	2	is	be	VBZ
12787	2454	3	only	only	RB
12787	2454	4	necessary	necessary	JJ
12787	2454	5	to	to	TO
12787	2454	6	observe	observe	VB
12787	2454	7	carefully	carefully	RB
12787	2454	8	the	the	DT
12787	2454	9	chemical	chemical	NN
12787	2454	10	equivalents	equivalent	NNS
12787	2454	11	.	.	.
12787	2455	1	It	-PRON-	PRP
12787	2455	2	is	be	VBZ
12787	2455	3	plainly	plainly	RB
12787	2455	4	incorrect	incorrect	JJ
12787	2455	5	to	to	TO
12787	2455	6	express	express	VB
12787	2455	7	the	the	DT
12787	2455	8	ratio	ratio	NN
12787	2455	9	of	of	IN
12787	2455	10	ferrous	ferrous	JJ
12787	2455	11	to	to	TO
12787	2455	12	ferric	ferric	JJ
12787	2455	13	oxide	oxide	NN
12787	2455	14	as	as	IN
12787	2455	15	(	(	-LRB-
12787	2455	16	FeO	FeO	NNP
12787	2455	17	/	/	SYM
12787	2455	18	Fe_{2}O_{3	fe_{2}o_{3	CD
12787	2455	19	}	}	-RRB-
12787	2455	20	)	)	-RRB-
12787	2455	21	,	,	,
12787	2455	22	since	since	IN
12787	2455	23	each	each	DT
12787	2455	24	molecule	molecule	NN
12787	2455	25	of	of	IN
12787	2455	26	the	the	DT
12787	2455	27	ferric	ferric	JJ
12787	2455	28	oxide	oxide	NN
12787	2455	29	will	will	MD
12787	2455	30	yield	yield	VB
12787	2455	31	two	two	CD
12787	2455	32	molecules	molecule	NNS
12787	2455	33	of	of	IN
12787	2455	34	the	the	DT
12787	2455	35	ferrous	ferrous	JJ
12787	2455	36	oxide	oxide	NN
12787	2455	37	.	.	.
12787	2456	1	Mistakes	mistake	NNS
12787	2456	2	of	of	IN
12787	2456	3	this	this	DT
12787	2456	4	sort	sort	NN
12787	2456	5	are	be	VBP
12787	2456	6	easily	easily	RB
12787	2456	7	made	make	VBN
12787	2456	8	and	and	CC
12787	2456	9	constitute	constitute	VB
12787	2456	10	one	one	CD
12787	2456	11	of	of	IN
12787	2456	12	the	the	DT
12787	2456	13	most	most	RBS
12787	2456	14	frequent	frequent	JJ
12787	2456	15	sources	source	NNS
12787	2456	16	of	of	IN
12787	2456	17	error	error	NN
12787	2456	18	.	.	.
12787	2457	1	2	2	LS
12787	2457	2	.	.	.
12787	2458	1	A	a	DT
12787	2458	2	type	type	NN
12787	2458	3	of	of	IN
12787	2458	4	problem	problem	NN
12787	2458	5	which	which	WDT
12787	2458	6	is	be	VBZ
12787	2458	7	slightly	slightly	RB
12787	2458	8	more	more	RBR
12787	2458	9	complicated	complicated	JJ
12787	2458	10	in	in	IN
12787	2458	11	appearance	appearance	NN
12787	2458	12	,	,	,
12787	2458	13	but	but	CC
12787	2458	14	exactly	exactly	RB
12787	2458	15	comparable	comparable	JJ
12787	2458	16	in	in	IN
12787	2458	17	principle	principle	NN
12787	2458	18	,	,	,
12787	2458	19	is	be	VBZ
12787	2458	20	the	the	DT
12787	2458	21	following	follow	VBG
12787	2458	22	:	:	:
12787	2458	23	"	"	``
12787	2458	24	What	what	WP
12787	2458	25	is	be	VBZ
12787	2458	26	the	the	DT
12787	2458	27	factor	factor	NN
12787	2458	28	for	for	IN
12787	2458	29	the	the	DT
12787	2458	30	conversion	conversion	NN
12787	2458	31	of	of	IN
12787	2458	32	a	a	DT
12787	2458	33	given	give	VBN
12787	2458	34	weight	weight	NN
12787	2458	35	of	of	IN
12787	2458	36	ferrous	ferrous	JJ
12787	2458	37	sulphate	sulphate	NN
12787	2458	38	(	(	-LRB-
12787	2458	39	FeSO_{4	feso_{4	UH
12787	2458	40	}	}	-RRB-
12787	2458	41	)	)	-RRB-
12787	2458	42	,	,	,
12787	2458	43	used	use	VBN
12787	2458	44	as	as	IN
12787	2458	45	a	a	DT
12787	2458	46	reducing	reduce	VBG
12787	2458	47	agent	agent	NN
12787	2458	48	against	against	IN
12787	2458	49	potassium	potassium	NN
12787	2458	50	permanganate	permanganate	NNP
12787	2458	51	,	,	,
12787	2458	52	into	into	IN
12787	2458	53	the	the	DT
12787	2458	54	equivalent	equivalent	JJ
12787	2458	55	weight	weight	NN
12787	2458	56	of	of	IN
12787	2458	57	sodium	sodium	NN
12787	2458	58	oxalate	oxalate	NN
12787	2458	59	(	(	-LRB-
12787	2458	60	Na_{2}C_{2}O_{4	na_{2}c_{2}o_{4	UH
12787	2458	61	}	}	-RRB-
12787	2458	62	)	)	-RRB-
12787	2458	63	?	?	.
12787	2458	64	"	"	''
12787	2459	1	To	to	TO
12787	2459	2	determine	determine	VB
12787	2459	3	the	the	DT
12787	2459	4	chemical	chemical	NN
12787	2459	5	equivalents	equivalent	NNS
12787	2459	6	in	in	IN
12787	2459	7	such	such	PDT
12787	2459	8	an	an	DT
12787	2459	9	instance	instance	NN
12787	2459	10	it	-PRON-	PRP
12787	2459	11	is	be	VBZ
12787	2459	12	necessary	necessary	JJ
12787	2459	13	to	to	TO
12787	2459	14	inspect	inspect	VB
12787	2459	15	the	the	DT
12787	2459	16	chemical	chemical	NN
12787	2459	17	reactions	reaction	NNS
12787	2459	18	involved	involve	VBN
12787	2459	19	.	.	.
12787	2460	1	These	these	DT
12787	2460	2	are	be	VBP
12787	2460	3	:	:	:
12787	2460	4	10FeSO_{4	10feso_{4	CD
12787	2460	5	}	}	-RRB-
12787	2460	6	+	+	CC
12787	2460	7	2KMnO_{4	2kmno_{4	CD
12787	2460	8	}	}	-RRB-
12787	2460	9	+	+	SYM
12787	2460	10	8H_{2}SO_{4	8h_{2}so_{4	NN
12787	2460	11	}	}	-RRB-
12787	2460	12	--	--	:
12787	2460	13	>	>	XX
12787	2460	14	5Fe_{2}(SO_{4})_{3	5fe_{2}(so_{4})_{3	CD
12787	2460	15	}	}	-RRB-
12787	2460	16	+	+	SYM
12787	2460	17	K_{2}SO_{4	K_{2}SO_{4	NNP
12787	2460	18	}	}	-RRB-
12787	2460	19	+	+	CC
12787	2460	20	2MnSO_{4	2mnso_{4	CD
12787	2460	21	}	}	-RRB-
12787	2460	22	+	+	CD
12787	2460	23	8H_{2}O	8h_{2}o	CD
12787	2460	24	,	,	,
12787	2460	25	5Na_{2}C_{2}O_{4	5na_{2}c_{2}o_{4	CD
12787	2460	26	}	}	-RRB-
12787	2460	27	+	+	CC
12787	2460	28	2KMnO_{4	2kmno_{4	CD
12787	2460	29	}	}	-RRB-
12787	2460	30	+	+	SYM
12787	2460	31	8H_{2}SO_{4	8h_{2}so_{4	NN
12787	2460	32	}	}	-RRB-
12787	2460	33	--	--	:
12787	2460	34	>	>	XX
12787	2460	35	5Na_{2}SO_{4	5na_{2}so_{4	CD
12787	2460	36	}	}	-RRB-
12787	2460	37	+	+	SYM
12787	2460	38	10CO_{2	10co_{2	NN
12787	2460	39	}	}	-RRB-
12787	2460	40	+	+	NFP
12787	2460	41	K_{2}SO_{4	K_{2}SO_{4	NNP
12787	2460	42	}	}	-RRB-
12787	2460	43	+	+	CC
12787	2460	44	2MnSO_{4	2mnso_{4	CD
12787	2460	45	}	}	-RRB-
12787	2460	46	+	+	SYM
12787	2460	47	8H_{2}O.	8h_{2}o.	CD
12787	2461	1	It	-PRON-	PRP
12787	2461	2	is	be	VBZ
12787	2461	3	evident	evident	JJ
12787	2461	4	that	that	IN
12787	2461	5	10FeSO_{4	10feso_{4	CD
12787	2461	6	}	}	-RRB-
12787	2461	7	in	in	IN
12787	2461	8	the	the	DT
12787	2461	9	one	one	CD
12787	2461	10	case	case	NN
12787	2461	11	,	,	,
12787	2461	12	and	and	CC
12787	2461	13	5Na_{2}C_{2}O_{4	5na_{2}c_{2}o_{4	CD
12787	2461	14	}	}	-RRB-
12787	2461	15	in	in	IN
12787	2461	16	the	the	DT
12787	2461	17	other	other	JJ
12787	2461	18	,	,	,
12787	2461	19	each	each	DT
12787	2461	20	react	react	NN
12787	2461	21	with	with	IN
12787	2461	22	2KMnO_{4	2kmno_{4	CD
12787	2461	23	}	}	-RRB-
12787	2461	24	.	.	.
12787	2462	1	These	these	DT
12787	2462	2	molecular	molecular	JJ
12787	2462	3	quantities	quantity	NNS
12787	2462	4	are	be	VBP
12787	2462	5	therefore	therefore	RB
12787	2462	6	equivalent	equivalent	JJ
12787	2462	7	,	,	,
12787	2462	8	and	and	CC
12787	2462	9	the	the	DT
12787	2462	10	factor	factor	NN
12787	2462	11	becomes	become	VBZ
12787	2462	12	(	(	-LRB-
12787	2462	13	10FeSO_{4}/5Na_{2}C_{2}O_{4	10feso_{4}/5na_{2}c_{2}o_{4	CD
12787	2462	14	}	}	-RRB-
12787	2462	15	)	)	-RRB-
12787	2462	16	or	or	CC
12787	2462	17	(	(	-LRB-
12787	2462	18	2FeSO_{4}/Na_{2}C_{2}O_{4	2feso_{4}/na_{2}c_{2}o_{4	CD
12787	2462	19	}	}	-RRB-
12787	2462	20	)	)	-RRB-
12787	2462	21	or	or	CC
12787	2462	22	(	(	-LRB-
12787	2462	23	303.8/134	303.8/134	NN
12787	2462	24	)	)	-RRB-
12787	2462	25	.	.	.
12787	2463	1	Again	again	RB
12787	2463	2	,	,	,
12787	2463	3	let	let	VB
12787	2463	4	it	-PRON-	PRP
12787	2463	5	be	be	VB
12787	2463	6	assumed	assume	VBN
12787	2463	7	that	that	IN
12787	2463	8	it	-PRON-	PRP
12787	2463	9	is	be	VBZ
12787	2463	10	desired	desire	VBN
12787	2463	11	to	to	TO
12787	2463	12	determine	determine	VB
12787	2463	13	the	the	DT
12787	2463	14	factor	factor	NN
12787	2463	15	required	require	VBN
12787	2463	16	for	for	IN
12787	2463	17	the	the	DT
12787	2463	18	conversion	conversion	NN
12787	2463	19	of	of	IN
12787	2463	20	a	a	DT
12787	2463	21	given	give	VBN
12787	2463	22	weight	weight	NN
12787	2463	23	of	of	IN
12787	2463	24	potassium	potassium	NN
12787	2463	25	permanganate	permanganate	NNP
12787	2463	26	(	(	-LRB-
12787	2463	27	KMnO_{4	KMnO_{4	NNP
12787	2463	28	}	}	-RRB-
12787	2463	29	)	)	-RRB-
12787	2463	30	into	into	IN
12787	2463	31	an	an	DT
12787	2463	32	equivalent	equivalent	JJ
12787	2463	33	weight	weight	NN
12787	2463	34	of	of	IN
12787	2463	35	potassium	potassium	NN
12787	2463	36	bichromate	bichromate	NN
12787	2463	37	(	(	-LRB-
12787	2463	38	K_{2}Cr_{2}O_{7	k_{2}cr_{2}o_{7	NN
12787	2463	39	}	}	-RRB-
12787	2463	40	)	)	-RRB-
12787	2463	41	,	,	,
12787	2463	42	each	each	DT
12787	2463	43	acting	act	VBG
12787	2463	44	as	as	IN
12787	2463	45	an	an	DT
12787	2463	46	oxidizing	oxidizing	JJ
12787	2463	47	agent	agent	NN
12787	2463	48	against	against	IN
12787	2463	49	ferrous	ferrous	JJ
12787	2463	50	sulphate	sulphate	NN
12787	2463	51	.	.	.
12787	2464	1	The	the	DT
12787	2464	2	reactions	reaction	NNS
12787	2464	3	involved	involve	VBN
12787	2464	4	are	be	VBP
12787	2464	5	:	:	:
12787	2464	6	10FeSO_{4	10feso_{4	CD
12787	2464	7	}	}	-RRB-
12787	2464	8	+	+	CC
12787	2464	9	2KMnO_{4	2kmno_{4	CD
12787	2464	10	}	}	-RRB-
12787	2464	11	+	+	SYM
12787	2464	12	8H_{2}SO_{4	8h_{2}so_{4	NN
12787	2464	13	}	}	-RRB-
12787	2464	14	--	--	:
12787	2464	15	>	>	XX
12787	2464	16	5Fe_{2}(SO_{4})_{3	5fe_{2}(so_{4})_{3	CD
12787	2464	17	}	}	-RRB-
12787	2464	18	+	+	SYM
12787	2464	19	K_{2}SO_{4	K_{2}SO_{4	NNP
12787	2464	20	}	}	-RRB-
12787	2464	21	+	+	CC
12787	2464	22	2MnSO_{4	2mnso_{4	CD
12787	2464	23	}	}	-RRB-
12787	2464	24	+	+	CD
12787	2464	25	8H_{2}O	8h_{2}o	CD
12787	2464	26	,	,	,
12787	2464	27	6FeSO_{4	6feso_{4	CD
12787	2464	28	}	}	-RRB-
12787	2464	29	+	+	CC
12787	2464	30	K_{2}Cr_{2}O_{7	k_{2}cr_{2}o_{7	NN
12787	2464	31	}	}	-RRB-
12787	2464	32	+	+	SYM
12787	2464	33	7H_{2}SO_{4	7h_{2}so_{4	CD
12787	2464	34	}	}	-RRB-
12787	2464	35	--	--	:
12787	2464	36	>	>	XX
12787	2464	37	3Fe_{2}(SO_{3})_{3	3fe_{2}(so_{3})_{3	CD
12787	2464	38	}	}	-RRB-
12787	2464	39	+	+	NFP
12787	2464	40	K_{2}SO_{4	K_{2}SO_{4	NNP
12787	2464	41	}	}	-RRB-
12787	2464	42	+	+	CC
12787	2464	43	Cr_{2}(SO_{4})_{3	cr_{2}(so_{4})_{3	NN
12787	2464	44	}	}	-RRB-
12787	2464	45	+	+	SYM
12787	2464	46	7H_{2}O.	7h_{2}o.	CD
12787	2465	1	An	an	DT
12787	2465	2	inspection	inspection	NN
12787	2465	3	of	of	IN
12787	2465	4	these	these	DT
12787	2465	5	equations	equation	NNS
12787	2465	6	shows	show	VBZ
12787	2465	7	that	that	IN
12787	2465	8	2KMO_{4	2kmo_{4	CD
12787	2465	9	}	}	-RRB-
12787	2465	10	react	react	VBP
12787	2465	11	with	with	IN
12787	2465	12	10FeSO_{4	10feso_{4	CD
12787	2465	13	}	}	-RRB-
12787	2465	14	,	,	,
12787	2465	15	while	while	IN
12787	2465	16	K_{2}Cr_{2}O_{7	k_{2}cr_{2}o_{7	JJ
12787	2465	17	}	}	-RRB-
12787	2465	18	reacts	react	NNS
12787	2465	19	with	with	IN
12787	2465	20	6FeSO_{4	6feso_{4	CD
12787	2465	21	}	}	-RRB-
12787	2465	22	.	.	.
12787	2466	1	These	these	DT
12787	2466	2	are	be	VBP
12787	2466	3	not	not	RB
12787	2466	4	equivalent	equivalent	JJ
12787	2466	5	,	,	,
12787	2466	6	but	but	CC
12787	2466	7	if	if	IN
12787	2466	8	the	the	DT
12787	2466	9	first	first	JJ
12787	2466	10	equation	equation	NN
12787	2466	11	is	be	VBZ
12787	2466	12	multiplied	multiply	VBN
12787	2466	13	by	by	IN
12787	2466	14	3	3	CD
12787	2466	15	and	and	CC
12787	2466	16	the	the	DT
12787	2466	17	second	second	JJ
12787	2466	18	by	by	IN
12787	2466	19	5	5	CD
12787	2466	20	the	the	DT
12787	2466	21	number	number	NN
12787	2466	22	of	of	IN
12787	2466	23	molecules	molecule	NNS
12787	2466	24	of	of	IN
12787	2466	25	FeSO_{4	FeSO_{4	NNP
12787	2466	26	}	}	-RRB-
12787	2466	27	is	be	VBZ
12787	2466	28	then	then	RB
12787	2466	29	the	the	DT
12787	2466	30	same	same	JJ
12787	2466	31	in	in	IN
12787	2466	32	both	both	DT
12787	2466	33	,	,	,
12787	2466	34	and	and	CC
12787	2466	35	the	the	DT
12787	2466	36	number	number	NN
12787	2466	37	of	of	IN
12787	2466	38	molecules	molecule	NNS
12787	2466	39	of	of	IN
12787	2466	40	KMnO_{4	KMnO_{4	NNP
12787	2466	41	}	}	-RRB-
12787	2466	42	and	and	CC
12787	2466	43	K_{2}Cr_{2}O_{7	k_{2}cr_{2}o_{7	NN
12787	2466	44	}	}	-RRB-
12787	2466	45	reacting	react	VBG
12787	2466	46	with	with	IN
12787	2466	47	these	these	DT
12787	2466	48	30	30	CD
12787	2466	49	molecules	molecule	NNS
12787	2466	50	become	become	VBP
12787	2466	51	6	6	CD
12787	2466	52	and	and	CC
12787	2466	53	5	5	CD
12787	2466	54	respectively	respectively	RB
12787	2466	55	.	.	.
12787	2467	1	These	these	DT
12787	2467	2	are	be	VBP
12787	2467	3	obviously	obviously	RB
12787	2467	4	chemically	chemically	RB
12787	2467	5	equivalent	equivalent	JJ
12787	2467	6	and	and	CC
12787	2467	7	the	the	DT
12787	2467	8	desired	desire	VBN
12787	2467	9	factor	factor	NN
12787	2467	10	is	be	VBZ
12787	2467	11	expressed	express	VBN
12787	2467	12	by	by	IN
12787	2467	13	the	the	DT
12787	2467	14	fraction	fraction	NN
12787	2467	15	(	(	-LRB-
12787	2467	16	6KMnO_{4}/5K_{2}Cr_{2}O_{7	6KMnO_{4}/5K_{2}Cr_{2}O_{7	NNP
12787	2467	17	}	}	-RRB-
12787	2467	18	)	)	-RRB-
12787	2467	19	or	or	CC
12787	2467	20	(	(	-LRB-
12787	2467	21	948.0/1471.0	948.0/1471.0	NN
12787	2467	22	)	)	-RRB-
12787	2467	23	.	.	.
12787	2468	1	3	3	LS
12787	2468	2	.	.	.
12787	2469	1	It	-PRON-	PRP
12787	2469	2	is	be	VBZ
12787	2469	3	sometimes	sometimes	RB
12787	2469	4	necessary	necessary	JJ
12787	2469	5	to	to	TO
12787	2469	6	calculate	calculate	VB
12787	2469	7	the	the	DT
12787	2469	8	value	value	NN
12787	2469	9	of	of	IN
12787	2469	10	solutions	solution	NNS
12787	2469	11	according	accord	VBG
12787	2469	12	to	to	IN
12787	2469	13	the	the	DT
12787	2469	14	principles	principle	NNS
12787	2469	15	just	just	RB
12787	2469	16	explained	explain	VBD
12787	2469	17	,	,	,
12787	2469	18	when	when	WRB
12787	2469	19	several	several	JJ
12787	2469	20	successive	successive	JJ
12787	2469	21	reactions	reaction	NNS
12787	2469	22	are	be	VBP
12787	2469	23	involved	involve	VBN
12787	2469	24	.	.	.
12787	2470	1	Such	such	JJ
12787	2470	2	problems	problem	NNS
12787	2470	3	may	may	MD
12787	2470	4	be	be	VB
12787	2470	5	solved	solve	VBN
12787	2470	6	by	by	IN
12787	2470	7	a	a	DT
12787	2470	8	series	series	NN
12787	2470	9	of	of	IN
12787	2470	10	proportions	proportion	NNS
12787	2470	11	,	,	,
12787	2470	12	but	but	CC
12787	2470	13	it	-PRON-	PRP
12787	2470	14	is	be	VBZ
12787	2470	15	usually	usually	RB
12787	2470	16	possible	possible	JJ
12787	2470	17	to	to	TO
12787	2470	18	eliminate	eliminate	VB
12787	2470	19	the	the	DT
12787	2470	20	common	common	JJ
12787	2470	21	factors	factor	NNS
12787	2470	22	and	and	CC
12787	2470	23	solve	solve	VB
12787	2470	24	but	but	CC
12787	2470	25	a	a	DT
12787	2470	26	single	single	JJ
12787	2470	27	one	one	NN
12787	2470	28	.	.	.
12787	2471	1	For	for	IN
12787	2471	2	example	example	NN
12787	2471	3	,	,	,
12787	2471	4	the	the	DT
12787	2471	5	amount	amount	NN
12787	2471	6	of	of	IN
12787	2471	7	MnO_{2	MnO_{2	NNP
12787	2471	8	}	}	-RRB-
12787	2471	9	in	in	IN
12787	2471	10	a	a	DT
12787	2471	11	sample	sample	NN
12787	2471	12	of	of	IN
12787	2471	13	the	the	DT
12787	2471	14	mineral	mineral	NN
12787	2471	15	pyrolusite	pyrolusite	NN
12787	2471	16	may	may	MD
12787	2471	17	be	be	VB
12787	2471	18	determined	determine	VBN
12787	2471	19	by	by	IN
12787	2471	20	dissolving	dissolve	VBG
12787	2471	21	the	the	DT
12787	2471	22	mineral	mineral	NN
12787	2471	23	in	in	IN
12787	2471	24	hydrochloric	hydrochloric	JJ
12787	2471	25	acid	acid	NN
12787	2471	26	,	,	,
12787	2471	27	absorbing	absorb	VBG
12787	2471	28	the	the	DT
12787	2471	29	evolved	evolve	VBN
12787	2471	30	chlorine	chlorine	NN
12787	2471	31	in	in	IN
12787	2471	32	a	a	DT
12787	2471	33	solution	solution	NN
12787	2471	34	of	of	IN
12787	2471	35	potassium	potassium	NN
12787	2471	36	iodide	iodide	NN
12787	2471	37	,	,	,
12787	2471	38	and	and	CC
12787	2471	39	measuring	measure	VBG
12787	2471	40	the	the	DT
12787	2471	41	liberated	liberated	JJ
12787	2471	42	iodine	iodine	NN
12787	2471	43	by	by	IN
12787	2471	44	titration	titration	NN
12787	2471	45	with	with	IN
12787	2471	46	a	a	DT
12787	2471	47	standard	standard	JJ
12787	2471	48	solution	solution	NN
12787	2471	49	of	of	IN
12787	2471	50	sodium	sodium	NN
12787	2471	51	thiosulphate	thiosulphate	NN
12787	2471	52	.	.	.
12787	2472	1	The	the	DT
12787	2472	2	reactions	reaction	NNS
12787	2472	3	involved	involve	VBN
12787	2472	4	are	be	VBP
12787	2472	5	:	:	:
12787	2472	6	MnO_{2	MnO_{2	NNP
12787	2472	7	}	}	-RRB-
12787	2472	8	+	+	SYM
12787	2472	9	4HCl	4HCl	NNS
12787	2472	10	--	--	:
12787	2472	11	>	>	XX
12787	2472	12	MnCl_{2	MnCl_{2	NNP
12787	2472	13	}	}	-RRB-
12787	2472	14	+	+	CC
12787	2472	15	2H_{2}O	2h_{2}o	CD
12787	2472	16	+	+	SYM
12787	2472	17	Cl_{2	cl_{2	NN
12787	2472	18	}	}	-RRB-
12787	2472	19	Cl_{2	cl_{2	NN
12787	2472	20	}	}	-RRB-
12787	2472	21	+	+	CC
12787	2472	22	2KI	2ki	CD
12787	2472	23	--	--	:
12787	2472	24	>	>	XX
12787	2472	25	I_{2	I_{2	NNP
12787	2472	26	}	}	-RRB-
12787	2472	27	+	+	NFP
12787	2472	28	2KCl	2KCl	,
12787	2472	29	I_{2	I_{2	NNP
12787	2472	30	}	}	-RRB-
12787	2472	31	+	+	CC
12787	2472	32	2Na_{2}S_{2}O_{3	2na_{2}s_{2}o_{3	CD
12787	2472	33	}	}	-RRB-
12787	2472	34	--	--	:
12787	2472	35	>	>	XX
12787	2472	36	2NaI	2nai	CD
12787	2472	37	+	+	SYM
12787	2472	38	Na_{2}S_{4}O_{6	Na_{2}S_{4}O_{6	NNS
12787	2472	39	}	}	-RRB-
12787	2472	40	Assuming	assume	VBG
12787	2472	41	that	that	IN
12787	2472	42	the	the	DT
12787	2472	43	weight	weight	NN
12787	2472	44	of	of	IN
12787	2472	45	thiosulphate	thiosulphate	NN
12787	2472	46	corresponding	correspond	VBG
12787	2472	47	to	to	IN
12787	2472	48	the	the	DT
12787	2472	49	volume	volume	NN
12787	2472	50	of	of	IN
12787	2472	51	sodium	sodium	NN
12787	2472	52	thiosulphate	thiosulphate	NN
12787	2472	53	solution	solution	NN
12787	2472	54	used	use	VBN
12787	2472	55	is	be	VBZ
12787	2472	56	known	know	VBN
12787	2472	57	,	,	,
12787	2472	58	what	what	WP
12787	2472	59	is	be	VBZ
12787	2472	60	the	the	DT
12787	2472	61	corresponding	corresponding	JJ
12787	2472	62	weight	weight	NN
12787	2472	63	of	of	IN
12787	2472	64	manganese	manganese	JJ
12787	2472	65	dioxide	dioxide	NN
12787	2472	66	?	?	.
12787	2473	1	From	from	IN
12787	2473	2	the	the	DT
12787	2473	3	reactions	reaction	NNS
12787	2473	4	given	give	VBN
12787	2473	5	above	above	RB
12787	2473	6	,	,	,
12787	2473	7	the	the	DT
12787	2473	8	following	follow	VBG
12787	2473	9	proportions	proportion	NNS
12787	2473	10	may	may	MD
12787	2473	11	be	be	VB
12787	2473	12	stated	state	VBN
12787	2473	13	:	:	:
12787	2473	14	2Na_{2}S_{2}O_{3}:I_{2	2na_{2}s_{2}o_{3}:i_{2	CD
12787	2473	15	}	}	-RRB-
12787	2473	16	=	=	SYM
12787	2473	17	316.4:253.9	316.4:253.9	NNP
12787	2473	18	,	,	,
12787	2473	19	I_{2}:Cl_{2	I_{2}:Cl_{2	NNP
12787	2473	20	}	}	-RRB-
12787	2473	21	=	=	SYM
12787	2473	22	253.9:71	253.9:71	NN
12787	2473	23	,	,	,
12787	2473	24	Cl_{2}:MnO_{2	Cl_{2}:MnO_{2	NNP
12787	2473	25	}	}	-RRB-
12787	2473	26	=	=	SYM
12787	2473	27	71:86.9	71:86.9	CD
12787	2473	28	.	.	.
12787	2474	1	After	after	IN
12787	2474	2	canceling	cancel	VBG
12787	2474	3	the	the	DT
12787	2474	4	common	common	JJ
12787	2474	5	factors	factor	NNS
12787	2474	6	,	,	,
12787	2474	7	there	there	EX
12787	2474	8	remains	remain	VBZ
12787	2474	9	2Na_{2}S_{2}O_{3}:MnO_{2	2na_{2}s_{2}o_{3}:mno_{2	CD
12787	2474	10	}	}	-RRB-
12787	2474	11	=	=	SYM
12787	2474	12	316.4:86.9	316.4:86.9	CD
12787	2474	13	,	,	,
12787	2474	14	and	and	CC
12787	2474	15	the	the	DT
12787	2474	16	factor	factor	NN
12787	2474	17	for	for	IN
12787	2474	18	the	the	DT
12787	2474	19	conversion	conversion	NN
12787	2474	20	of	of	IN
12787	2474	21	thiosulphate	thiosulphate	NN
12787	2474	22	into	into	IN
12787	2474	23	an	an	DT
12787	2474	24	equivalent	equivalent	NN
12787	2474	25	of	of	IN
12787	2474	26	manganese	manganese	JJ
12787	2474	27	dioxide	dioxide	NN
12787	2474	28	is	be	VBZ
12787	2474	29	86.9/316.4	86.9/316.4	CD
12787	2474	30	.	.	.
12787	2475	1	4	4	LS
12787	2475	2	.	.	.
12787	2476	1	To	to	TO
12787	2476	2	calculate	calculate	VB
12787	2476	3	the	the	DT
12787	2476	4	volume	volume	NN
12787	2476	5	of	of	IN
12787	2476	6	a	a	DT
12787	2476	7	reagent	reagent	NN
12787	2476	8	required	require	VBN
12787	2476	9	for	for	IN
12787	2476	10	a	a	DT
12787	2476	11	specific	specific	JJ
12787	2476	12	operation	operation	NN
12787	2476	13	,	,	,
12787	2476	14	it	-PRON-	PRP
12787	2476	15	is	be	VBZ
12787	2476	16	necessary	necessary	JJ
12787	2476	17	to	to	TO
12787	2476	18	know	know	VB
12787	2476	19	the	the	DT
12787	2476	20	exact	exact	JJ
12787	2476	21	reaction	reaction	NN
12787	2476	22	which	which	WDT
12787	2476	23	is	be	VBZ
12787	2476	24	to	to	TO
12787	2476	25	be	be	VB
12787	2476	26	brought	bring	VBN
12787	2476	27	about	about	RP
12787	2476	28	,	,	,
12787	2476	29	and	and	CC
12787	2476	30	,	,	,
12787	2476	31	as	as	IN
12787	2476	32	with	with	IN
12787	2476	33	the	the	DT
12787	2476	34	calculation	calculation	NN
12787	2476	35	of	of	IN
12787	2476	36	factors	factor	NNS
12787	2476	37	,	,	,
12787	2476	38	to	to	TO
12787	2476	39	keep	keep	VB
12787	2476	40	in	in	IN
12787	2476	41	mind	mind	NN
12787	2476	42	the	the	DT
12787	2476	43	molecular	molecular	JJ
12787	2476	44	relations	relation	NNS
12787	2476	45	between	between	IN
12787	2476	46	the	the	DT
12787	2476	47	reagent	reagent	NN
12787	2476	48	and	and	CC
12787	2476	49	the	the	DT
12787	2476	50	substance	substance	NN
12787	2476	51	reacted	react	VBD
12787	2476	52	upon	upon	IN
12787	2476	53	.	.	.
12787	2477	1	For	for	IN
12787	2477	2	example	example	NN
12787	2477	3	,	,	,
12787	2477	4	to	to	TO
12787	2477	5	estimate	estimate	VB
12787	2477	6	the	the	DT
12787	2477	7	weight	weight	NN
12787	2477	8	of	of	IN
12787	2477	9	barium	barium	NN
12787	2477	10	chloride	chloride	NN
12787	2477	11	necessary	necessary	JJ
12787	2477	12	to	to	TO
12787	2477	13	precipitate	precipitate	VB
12787	2477	14	the	the	DT
12787	2477	15	sulphur	sulphur	NN
12787	2477	16	from	from	IN
12787	2477	17	0.1	0.1	CD
12787	2477	18	gram	gram	NN
12787	2477	19	of	of	IN
12787	2477	20	pure	pure	JJ
12787	2477	21	pyrite	pyrite	NN
12787	2477	22	(	(	-LRB-
12787	2477	23	FeS_{2	FeS_{2	NNP
12787	2477	24	}	}	-RRB-
12787	2477	25	)	)	-RRB-
12787	2477	26	,	,	,
12787	2477	27	the	the	DT
12787	2477	28	proportion	proportion	NN
12787	2477	29	should	should	MD
12787	2477	30	read	read	VB
12787	2477	31	488	488	CD
12787	2477	32	.	.	.
12787	2478	1	120.0	120.0	CD
12787	2478	2	2(BaCl_{2}.2H_{2}O):FeS_{2	2(bacl_{2}.2h_{2}o):fes_{2	CD
12787	2478	3	}	}	-RRB-
12787	2478	4	=	=	NFP
12787	2478	5	x:0.1	x:0.1	NNP
12787	2478	6	,	,	,
12787	2478	7	where	where	WRB
12787	2478	8	!	!	.
12787	2478	9	x	x	LS
12787	2478	10	!	!	.
12787	2479	1	represents	represent	VBZ
12787	2479	2	the	the	DT
12787	2479	3	weight	weight	NN
12787	2479	4	of	of	IN
12787	2479	5	the	the	DT
12787	2479	6	chloride	chloride	NN
12787	2479	7	required	require	VBN
12787	2479	8	.	.	.
12787	2480	1	Each	each	DT
12787	2480	2	of	of	IN
12787	2480	3	the	the	DT
12787	2480	4	two	two	CD
12787	2480	5	atoms	atom	NNS
12787	2480	6	of	of	IN
12787	2480	7	sulphur	sulphur	NNP
12787	2480	8	will	will	MD
12787	2480	9	form	form	VB
12787	2480	10	upon	upon	IN
12787	2480	11	oxidation	oxidation	NN
12787	2480	12	a	a	DT
12787	2480	13	molecule	molecule	NN
12787	2480	14	of	of	IN
12787	2480	15	sulphuric	sulphuric	JJ
12787	2480	16	acid	acid	NN
12787	2480	17	or	or	CC
12787	2480	18	a	a	DT
12787	2480	19	sulphate	sulphate	NN
12787	2480	20	,	,	,
12787	2480	21	which	which	WDT
12787	2480	22	,	,	,
12787	2480	23	in	in	IN
12787	2480	24	turn	turn	NN
12787	2480	25	,	,	,
12787	2480	26	will	will	MD
12787	2480	27	require	require	VB
12787	2480	28	a	a	DT
12787	2480	29	molecule	molecule	NN
12787	2480	30	of	of	IN
12787	2480	31	the	the	DT
12787	2480	32	barium	barium	NN
12787	2480	33	chloride	chloride	NN
12787	2480	34	for	for	IN
12787	2480	35	precipitation	precipitation	NN
12787	2480	36	.	.	.
12787	2481	1	To	to	TO
12787	2481	2	determine	determine	VB
12787	2481	3	the	the	DT
12787	2481	4	quantity	quantity	NN
12787	2481	5	of	of	IN
12787	2481	6	the	the	DT
12787	2481	7	barium	barium	NN
12787	2481	8	chloride	chloride	NN
12787	2481	9	required	require	VBN
12787	2481	10	,	,	,
12787	2481	11	it	-PRON-	PRP
12787	2481	12	is	be	VBZ
12787	2481	13	necessary	necessary	JJ
12787	2481	14	to	to	TO
12787	2481	15	include	include	VB
12787	2481	16	in	in	IN
12787	2481	17	its	-PRON-	PRP$
12787	2481	18	molecular	molecular	JJ
12787	2481	19	weight	weight	NN
12787	2481	20	the	the	DT
12787	2481	21	water	water	NN
12787	2481	22	of	of	IN
12787	2481	23	crystallization	crystallization	NN
12787	2481	24	,	,	,
12787	2481	25	since	since	IN
12787	2481	26	this	this	DT
12787	2481	27	is	be	VBZ
12787	2481	28	inseparable	inseparable	JJ
12787	2481	29	from	from	IN
12787	2481	30	the	the	DT
12787	2481	31	chloride	chloride	NN
12787	2481	32	when	when	WRB
12787	2481	33	it	-PRON-	PRP
12787	2481	34	is	be	VBZ
12787	2481	35	weighed	weigh	VBN
12787	2481	36	.	.	.
12787	2482	1	This	this	DT
12787	2482	2	applies	apply	VBZ
12787	2482	3	equally	equally	RB
12787	2482	4	to	to	IN
12787	2482	5	other	other	JJ
12787	2482	6	similar	similar	JJ
12787	2482	7	instances	instance	NNS
12787	2482	8	.	.	.
12787	2483	1	If	if	IN
12787	2483	2	the	the	DT
12787	2483	3	strength	strength	NN
12787	2483	4	of	of	IN
12787	2483	5	an	an	DT
12787	2483	6	acid	acid	NN
12787	2483	7	is	be	VBZ
12787	2483	8	expressed	express	VBN
12787	2483	9	in	in	IN
12787	2483	10	percentage	percentage	NN
12787	2483	11	by	by	IN
12787	2483	12	weight	weight	NN
12787	2483	13	,	,	,
12787	2483	14	due	due	JJ
12787	2483	15	regard	regard	NN
12787	2483	16	must	must	MD
12787	2483	17	be	be	VB
12787	2483	18	paid	pay	VBN
12787	2483	19	to	to	IN
12787	2483	20	its	-PRON-	PRP$
12787	2483	21	specific	specific	JJ
12787	2483	22	gravity	gravity	NN
12787	2483	23	.	.	.
12787	2484	1	For	for	IN
12787	2484	2	example	example	NN
12787	2484	3	,	,	,
12787	2484	4	hydrochloric	hydrochloric	JJ
12787	2484	5	acid	acid	NN
12787	2484	6	(	(	-LRB-
12787	2484	7	sp	sp	NNP
12787	2484	8	.	.	.
12787	2485	1	gr	gr	NNP
12787	2485	2	.	.	.
12787	2486	1	1.12	1.12	CD
12787	2486	2	)	)	-RRB-
12787	2486	3	contains	contain	VBZ
12787	2486	4	23.8	23.8	CD
12787	2486	5	per	per	IN
12787	2486	6	cent	cent	NN
12787	2486	7	HCl	HCl	NNS
12787	2486	8	!	!	.
12787	2486	9	by	by	IN
12787	2486	10	weight	weight	NN
12787	2486	11	!	!	.
12787	2487	1	;	;	:
12787	2487	2	that	that	DT
12787	2487	3	is	is	RB
12787	2487	4	,	,	,
12787	2487	5	0.2666	0.2666	CD
12787	2487	6	gram	gram	NN
12787	2487	7	HCl	HCl	NNP
12787	2487	8	in	in	IN
12787	2487	9	each	each	DT
12787	2487	10	cubic	cubic	JJ
12787	2487	11	centimeter	centimeter	NN
12787	2487	12	.	.	.
12787	2488	1	5	5	CD
12787	2488	2	.	.	.
12787	2489	1	It	-PRON-	PRP
12787	2489	2	is	be	VBZ
12787	2489	3	sometimes	sometimes	RB
12787	2489	4	desirable	desirable	JJ
12787	2489	5	to	to	TO
12787	2489	6	avoid	avoid	VB
12787	2489	7	the	the	DT
12787	2489	8	manipulation	manipulation	NN
12787	2489	9	required	require	VBN
12787	2489	10	for	for	IN
12787	2489	11	the	the	DT
12787	2489	12	separation	separation	NN
12787	2489	13	of	of	IN
12787	2489	14	the	the	DT
12787	2489	15	constituents	constituent	NNS
12787	2489	16	of	of	IN
12787	2489	17	a	a	DT
12787	2489	18	mixture	mixture	NN
12787	2489	19	of	of	IN
12787	2489	20	substances	substance	NNS
12787	2489	21	by	by	IN
12787	2489	22	making	make	VBG
12787	2489	23	what	what	WP
12787	2489	24	is	be	VBZ
12787	2489	25	called	call	VBN
12787	2489	26	an	an	DT
12787	2489	27	"	"	``
12787	2489	28	indirect	indirect	JJ
12787	2489	29	analysis	analysis	NN
12787	2489	30	.	.	.
12787	2489	31	"	"	''
12787	2490	1	For	for	IN
12787	2490	2	example	example	NN
12787	2490	3	,	,	,
12787	2490	4	in	in	IN
12787	2490	5	the	the	DT
12787	2490	6	analysis	analysis	NN
12787	2490	7	of	of	IN
12787	2490	8	silicate	silicate	NN
12787	2490	9	rocks	rock	NNS
12787	2490	10	,	,	,
12787	2490	11	the	the	DT
12787	2490	12	sodium	sodium	NN
12787	2490	13	and	and	CC
12787	2490	14	potassium	potassium	NN
12787	2490	15	present	present	NN
12787	2490	16	may	may	MD
12787	2490	17	be	be	VB
12787	2490	18	obtained	obtain	VBN
12787	2490	19	in	in	IN
12787	2490	20	the	the	DT
12787	2490	21	form	form	NN
12787	2490	22	of	of	IN
12787	2490	23	their	-PRON-	PRP$
12787	2490	24	chlorides	chloride	NNS
12787	2490	25	and	and	CC
12787	2490	26	weighed	weigh	VBD
12787	2490	27	together	together	RB
12787	2490	28	.	.	.
12787	2491	1	If	if	IN
12787	2491	2	the	the	DT
12787	2491	3	weight	weight	NN
12787	2491	4	of	of	IN
12787	2491	5	such	such	PDT
12787	2491	6	a	a	DT
12787	2491	7	mixture	mixture	NN
12787	2491	8	is	be	VBZ
12787	2491	9	known	know	VBN
12787	2491	10	,	,	,
12787	2491	11	and	and	CC
12787	2491	12	also	also	RB
12787	2491	13	the	the	DT
12787	2491	14	percentage	percentage	NN
12787	2491	15	of	of	IN
12787	2491	16	chlorine	chlorine	NN
12787	2491	17	present	present	JJ
12787	2491	18	,	,	,
12787	2491	19	it	-PRON-	PRP
12787	2491	20	is	be	VBZ
12787	2491	21	possible	possible	JJ
12787	2491	22	to	to	TO
12787	2491	23	calculate	calculate	VB
12787	2491	24	the	the	DT
12787	2491	25	amount	amount	NN
12787	2491	26	of	of	IN
12787	2491	27	each	each	DT
12787	2491	28	chloride	chloride	NN
12787	2491	29	in	in	IN
12787	2491	30	the	the	DT
12787	2491	31	mixture	mixture	NN
12787	2491	32	.	.	.
12787	2492	1	Let	let	VB
12787	2492	2	it	-PRON-	PRP
12787	2492	3	be	be	VB
12787	2492	4	assumed	assume	VBN
12787	2492	5	that	that	IN
12787	2492	6	the	the	DT
12787	2492	7	weight	weight	NN
12787	2492	8	of	of	IN
12787	2492	9	the	the	DT
12787	2492	10	mixed	mixed	JJ
12787	2492	11	chlorides	chloride	NNS
12787	2492	12	is	be	VBZ
12787	2492	13	0.15	0.15	CD
12787	2492	14	gram	gram	NN
12787	2492	15	,	,	,
12787	2492	16	and	and	CC
12787	2492	17	that	that	IN
12787	2492	18	it	-PRON-	PRP
12787	2492	19	contains	contain	VBZ
12787	2492	20	53	53	CD
12787	2492	21	per	per	IN
12787	2492	22	cent	cent	NN
12787	2492	23	of	of	IN
12787	2492	24	chlorine	chlorine	NN
12787	2492	25	.	.	.
12787	2493	1	The	the	DT
12787	2493	2	simplest	simple	JJS
12787	2493	3	solution	solution	NN
12787	2493	4	of	of	IN
12787	2493	5	such	such	PDT
12787	2493	6	a	a	DT
12787	2493	7	problem	problem	NN
12787	2493	8	is	be	VBZ
12787	2493	9	reached	reach	VBN
12787	2493	10	through	through	IN
12787	2493	11	algebraic	algebraic	NN
12787	2493	12	methods	method	NNS
12787	2493	13	.	.	.
12787	2494	1	The	the	DT
12787	2494	2	weight	weight	NN
12787	2494	3	of	of	IN
12787	2494	4	chlorine	chlorine	NN
12787	2494	5	is	be	VBZ
12787	2494	6	evidently	evidently	RB
12787	2494	7	0.15	0.15	CD
12787	2494	8	x	x	SYM
12787	2494	9	0.53	0.53	CD
12787	2494	10	,	,	,
12787	2494	11	or	or	CC
12787	2494	12	0.0795	0.0795	CD
12787	2494	13	gram	gram	NN
12787	2494	14	.	.	.
12787	2495	1	Let	let	VB
12787	2495	2	x	x	TO
12787	2495	3	represent	represent	VB
12787	2495	4	the	the	DT
12787	2495	5	weight	weight	NN
12787	2495	6	of	of	IN
12787	2495	7	sodium	sodium	NN
12787	2495	8	chloride	chloride	NN
12787	2495	9	present	present	NN
12787	2495	10	and	and	CC
12787	2495	11	y	y	NNP
12787	2495	12	that	that	DT
12787	2495	13	of	of	IN
12787	2495	14	potassium	potassium	NN
12787	2495	15	chloride	chloride	NN
12787	2495	16	.	.	.
12787	2496	1	The	the	DT
12787	2496	2	molecular	molecular	JJ
12787	2496	3	weight	weight	NN
12787	2496	4	of	of	IN
12787	2496	5	NaCl	NaCl	NNP
12787	2496	6	is	be	VBZ
12787	2496	7	58.5	58.5	CD
12787	2496	8	and	and	CC
12787	2496	9	that	that	DT
12787	2496	10	of	of	IN
12787	2496	11	KCl	KCl	NNP
12787	2496	12	is	be	VBZ
12787	2496	13	74.6	74.6	CD
12787	2496	14	.	.	.
12787	2497	1	The	the	DT
12787	2497	2	atomic	atomic	JJ
12787	2497	3	weight	weight	NN
12787	2497	4	of	of	IN
12787	2497	5	chlorine	chlorine	NN
12787	2497	6	is	be	VBZ
12787	2497	7	35.5	35.5	CD
12787	2497	8	.	.	.
12787	2498	1	Then	then	RB
12787	2498	2	x	x	SYM
12787	2498	3	+	+	SYM
12787	2498	4	y	y	NN
12787	2498	5	=	=	SYM
12787	2498	6	0.15	0.15	CD
12787	2498	7	(	(	-LRB-
12787	2498	8	35.5/58.5)x	35.5/58.5)x	CD
12787	2498	9	+	+	SYM
12787	2498	10	(	(	-LRB-
12787	2498	11	35.5/74.6)y	35.5/74.6)y	CD
12787	2498	12	=	=	SYM
12787	2498	13	0.00795	0.00795	CD
12787	2498	14	Solving	solve	VBG
12787	2498	15	these	these	DT
12787	2498	16	equations	equation	NNS
12787	2498	17	for	for	IN
12787	2498	18	x	x	NNS
12787	2498	19	shows	show	VBZ
12787	2498	20	the	the	DT
12787	2498	21	weight	weight	NN
12787	2498	22	of	of	IN
12787	2498	23	NaCl	NaCl	NNP
12787	2498	24	to	to	TO
12787	2498	25	be	be	VB
12787	2498	26	0.0625	0.0625	CD
12787	2498	27	gram	gram	NN
12787	2498	28	.	.	.
12787	2499	1	The	the	DT
12787	2499	2	weight	weight	NN
12787	2499	3	of	of	IN
12787	2499	4	KCl	KCl	NNP
12787	2499	5	is	be	VBZ
12787	2499	6	found	find	VBN
12787	2499	7	by	by	IN
12787	2499	8	subtracting	subtract	VBG
12787	2499	9	this	this	DT
12787	2499	10	from	from	IN
12787	2499	11	0.15	0.15	CD
12787	2499	12	.	.	.
12787	2500	1	The	the	DT
12787	2500	2	above	above	JJ
12787	2500	3	is	be	VBZ
12787	2500	4	one	one	CD
12787	2500	5	of	of	IN
12787	2500	6	the	the	DT
12787	2500	7	most	most	RBS
12787	2500	8	common	common	JJ
12787	2500	9	types	type	NNS
12787	2500	10	of	of	IN
12787	2500	11	indirect	indirect	JJ
12787	2500	12	analyses	analysis	NNS
12787	2500	13	.	.	.
12787	2501	1	Others	other	NNS
12787	2501	2	are	be	VBP
12787	2501	3	more	more	RBR
12787	2501	4	complex	complex	JJ
12787	2501	5	but	but	CC
12787	2501	6	they	-PRON-	PRP
12787	2501	7	can	can	MD
12787	2501	8	be	be	VB
12787	2501	9	reduced	reduce	VBN
12787	2501	10	to	to	IN
12787	2501	11	algebraic	algebraic	VB
12787	2501	12	expressions	expression	NNS
12787	2501	13	and	and	CC
12787	2501	14	solved	solve	VBN
12787	2501	15	by	by	IN
12787	2501	16	their	-PRON-	PRP$
12787	2501	17	aid	aid	NN
12787	2501	18	.	.	.
12787	2502	1	It	-PRON-	PRP
12787	2502	2	should	should	MD
12787	2502	3	,	,	,
12787	2502	4	however	however	RB
12787	2502	5	,	,	,
12787	2502	6	be	be	VB
12787	2502	7	noted	note	VBN
12787	2502	8	that	that	IN
12787	2502	9	the	the	DT
12787	2502	10	results	result	NNS
12787	2502	11	obtained	obtain	VBN
12787	2502	12	by	by	IN
12787	2502	13	these	these	DT
12787	2502	14	indirect	indirect	JJ
12787	2502	15	methods	method	NNS
12787	2502	16	can	can	MD
12787	2502	17	not	not	RB
12787	2502	18	be	be	VB
12787	2502	19	depended	depend	VBN
12787	2502	20	upon	upon	IN
12787	2502	21	for	for	IN
12787	2502	22	high	high	JJ
12787	2502	23	accuracy	accuracy	NN
12787	2502	24	,	,	,
12787	2502	25	since	since	IN
12787	2502	26	slight	slight	JJ
12787	2502	27	errors	error	NNS
12787	2502	28	in	in	IN
12787	2502	29	the	the	DT
12787	2502	30	determination	determination	NN
12787	2502	31	of	of	IN
12787	2502	32	the	the	DT
12787	2502	33	common	common	JJ
12787	2502	34	constituent	constituent	NN
12787	2502	35	,	,	,
12787	2502	36	as	as	IN
12787	2502	37	chlorine	chlorine	NN
12787	2502	38	in	in	IN
12787	2502	39	the	the	DT
12787	2502	40	above	above	JJ
12787	2502	41	mixture	mixture	NN
12787	2502	42	,	,	,
12787	2502	43	will	will	MD
12787	2502	44	cause	cause	VB
12787	2502	45	considerable	considerable	JJ
12787	2502	46	variations	variation	NNS
12787	2502	47	in	in	IN
12787	2502	48	the	the	DT
12787	2502	49	values	value	NNS
12787	2502	50	found	find	VBN
12787	2502	51	for	for	IN
12787	2502	52	the	the	DT
12787	2502	53	components	component	NNS
12787	2502	54	.	.	.
12787	2503	1	They	-PRON-	PRP
12787	2503	2	should	should	MD
12787	2503	3	not	not	RB
12787	2503	4	be	be	VB
12787	2503	5	employed	employ	VBN
12787	2503	6	when	when	WRB
12787	2503	7	direct	direct	JJ
12787	2503	8	methods	method	NNS
12787	2503	9	are	be	VBP
12787	2503	10	applicable	applicable	JJ
12787	2503	11	,	,	,
12787	2503	12	if	if	IN
12787	2503	13	accuracy	accuracy	NN
12787	2503	14	is	be	VBZ
12787	2503	15	essential	essential	JJ
12787	2503	16	.	.	.
12787	2504	1	PROBLEMS	PROBLEMS	NNP
12787	2504	2	(	(	-LRB-
12787	2504	3	The	the	DT
12787	2504	4	reactions	reaction	NNS
12787	2504	5	necessary	necessary	JJ
12787	2504	6	for	for	IN
12787	2504	7	the	the	DT
12787	2504	8	solution	solution	NN
12787	2504	9	of	of	IN
12787	2504	10	these	these	DT
12787	2504	11	problems	problem	NNS
12787	2504	12	are	be	VBP
12787	2504	13	either	either	RB
12787	2504	14	stated	state	VBN
12787	2504	15	with	with	IN
12787	2504	16	the	the	DT
12787	2504	17	problem	problem	NN
12787	2504	18	or	or	CC
12787	2504	19	may	may	MD
12787	2504	20	be	be	VB
12787	2504	21	found	find	VBN
12787	2504	22	in	in	IN
12787	2504	23	the	the	DT
12787	2504	24	earlier	early	JJR
12787	2504	25	text	text	NN
12787	2504	26	.	.	.
12787	2505	1	In	in	IN
12787	2505	2	the	the	DT
12787	2505	3	calculations	calculation	NNS
12787	2505	4	from	from	IN
12787	2505	5	which	which	WDT
12787	2505	6	the	the	DT
12787	2505	7	answers	answer	NNS
12787	2505	8	are	be	VBP
12787	2505	9	derived	derive	VBN
12787	2505	10	,	,	,
12787	2505	11	the	the	DT
12787	2505	12	atomic	atomic	JJ
12787	2505	13	weights	weight	NNS
12787	2505	14	given	give	VBN
12787	2505	15	on	on	IN
12787	2505	16	page	page	NN
12787	2505	17	195	195	CD
12787	2505	18	have	have	VBP
12787	2505	19	been	be	VBN
12787	2505	20	employed	employ	VBN
12787	2505	21	,	,	,
12787	2505	22	using	use	VBG
12787	2505	23	,	,	,
12787	2505	24	however	however	RB
12787	2505	25	,	,	,
12787	2505	26	only	only	RB
12787	2505	27	the	the	DT
12787	2505	28	first	first	JJ
12787	2505	29	decimal	decimal	JJ
12787	2505	30	but	but	CC
12787	2505	31	increasing	increase	VBG
12787	2505	32	this	this	DT
12787	2505	33	by	by	IN
12787	2505	34	1	1	CD
12787	2505	35	when	when	WRB
12787	2505	36	the	the	DT
12787	2505	37	second	second	JJ
12787	2505	38	decimal	decimal	JJ
12787	2505	39	is	be	VBZ
12787	2505	40	5	5	CD
12787	2505	41	or	or	CC
12787	2505	42	above	above	RB
12787	2505	43	.	.	.
12787	2506	1	Thus	thus	RB
12787	2506	2	,	,	,
12787	2506	3	39.1	39.1	CD
12787	2506	4	has	have	VBZ
12787	2506	5	been	be	VBN
12787	2506	6	taken	take	VBN
12787	2506	7	as	as	IN
12787	2506	8	the	the	DT
12787	2506	9	atomic	atomic	JJ
12787	2506	10	weight	weight	NN
12787	2506	11	of	of	IN
12787	2506	12	potassium	potassium	NN
12787	2506	13	,	,	,
12787	2506	14	32.1	32.1	CD
12787	2506	15	for	for	IN
12787	2506	16	sulphur	sulphur	NN
12787	2506	17	,	,	,
12787	2506	18	etc	etc	FW
12787	2506	19	.	.	.
12787	2507	1	This	this	DT
12787	2507	2	has	have	VBZ
12787	2507	3	been	be	VBN
12787	2507	4	done	do	VBN
12787	2507	5	merely	merely	RB
12787	2507	6	to	to	TO
12787	2507	7	secure	secure	VB
12787	2507	8	uniformity	uniformity	NN
12787	2507	9	of	of	IN
12787	2507	10	treatment	treatment	NN
12787	2507	11	,	,	,
12787	2507	12	and	and	CC
12787	2507	13	the	the	DT
12787	2507	14	student	student	NN
12787	2507	15	should	should	MD
12787	2507	16	remember	remember	VB
12787	2507	17	that	that	IN
12787	2507	18	it	-PRON-	PRP
12787	2507	19	is	be	VBZ
12787	2507	20	always	always	RB
12787	2507	21	well	well	JJ
12787	2507	22	to	to	TO
12787	2507	23	take	take	VB
12787	2507	24	into	into	IN
12787	2507	25	account	account	NN
12787	2507	26	the	the	DT
12787	2507	27	degree	degree	NN
12787	2507	28	of	of	IN
12787	2507	29	accuracy	accuracy	NN
12787	2507	30	desired	desire	VBN
12787	2507	31	in	in	IN
12787	2507	32	a	a	DT
12787	2507	33	particular	particular	JJ
12787	2507	34	instance	instance	NN
12787	2507	35	in	in	IN
12787	2507	36	determining	determine	VBG
12787	2507	37	the	the	DT
12787	2507	38	number	number	NN
12787	2507	39	of	of	IN
12787	2507	40	decimal	decimal	JJ
12787	2507	41	places	place	NNS
12787	2507	42	to	to	TO
12787	2507	43	retain	retain	VB
12787	2507	44	.	.	.
12787	2508	1	Four	four	CD
12787	2508	2	-	-	HYPH
12787	2508	3	place	place	NN
12787	2508	4	logarithms	logarithm	NNS
12787	2508	5	were	be	VBD
12787	2508	6	employed	employ	VBN
12787	2508	7	in	in	IN
12787	2508	8	the	the	DT
12787	2508	9	calculations	calculation	NNS
12787	2508	10	.	.	.
12787	2509	1	Where	where	WRB
12787	2509	2	four	four	CD
12787	2509	3	figures	figure	NNS
12787	2509	4	are	be	VBP
12787	2509	5	given	give	VBN
12787	2509	6	in	in	IN
12787	2509	7	the	the	DT
12787	2509	8	answer	answer	NN
12787	2509	9	,	,	,
12787	2509	10	the	the	DT
12787	2509	11	last	last	JJ
12787	2509	12	figure	figure	NN
12787	2509	13	may	may	MD
12787	2509	14	vary	vary	VB
12787	2509	15	by	by	IN
12787	2509	16	one	one	CD
12787	2509	17	or	or	CC
12787	2509	18	(	(	-LRB-
12787	2509	19	rarely	rarely	RB
12787	2509	20	)	)	-RRB-
12787	2509	21	by	by	IN
12787	2509	22	two	two	CD
12787	2509	23	units	unit	NNS
12787	2509	24	,	,	,
12787	2509	25	according	accord	VBG
12787	2509	26	to	to	IN
12787	2509	27	the	the	DT
12787	2509	28	method	method	NN
12787	2509	29	by	by	IN
12787	2509	30	which	which	WDT
12787	2509	31	the	the	DT
12787	2509	32	problem	problem	NN
12787	2509	33	is	be	VBZ
12787	2509	34	solved	solve	VBN
12787	2509	35	.	.	.
12787	2509	36	)	)	-RRB-
12787	2510	1	VOLUMETRIC	VOLUMETRIC	NNP
12787	2510	2	ANALYSIS	ANALYSIS	NNP
12787	2510	3	1	1	CD
12787	2510	4	.	.	.
12787	2511	1	How	how	WRB
12787	2511	2	many	many	JJ
12787	2511	3	grams	gram	NNS
12787	2511	4	of	of	IN
12787	2511	5	pure	pure	JJ
12787	2511	6	potassium	potassium	NN
12787	2511	7	hydroxide	hydroxide	NN
12787	2511	8	are	be	VBP
12787	2511	9	required	require	VBN
12787	2511	10	for	for	IN
12787	2511	11	exactly	exactly	RB
12787	2511	12	1	1	CD
12787	2511	13	liter	liter	NN
12787	2511	14	of	of	IN
12787	2511	15	normal	normal	JJ
12787	2511	16	alkali	alkali	JJ
12787	2511	17	solution	solution	NN
12787	2511	18	?	?	.
12787	2512	1	!	!	.
12787	2512	2	Answer	answer	VB
12787	2512	3	!	!	.
12787	2513	1	:	:	:
12787	2513	2	56.1	56.1	CD
12787	2513	3	grams	gram	NNS
12787	2513	4	.	.	.
12787	2514	1	2	2	LS
12787	2514	2	.	.	.
12787	2515	1	Calculate	calculate	VB
12787	2515	2	the	the	DT
12787	2515	3	equivalent	equivalent	NN
12787	2515	4	in	in	IN
12787	2515	5	grams	gram	NNS
12787	2515	6	(	(	-LRB-
12787	2515	7	a	a	DT
12787	2515	8	)	)	-RRB-
12787	2515	9	of	of	IN
12787	2515	10	sulphuric	sulphuric	JJ
12787	2515	11	acid	acid	NN
12787	2515	12	as	as	IN
12787	2515	13	an	an	DT
12787	2515	14	acid	acid	NN
12787	2515	15	;	;	:
12787	2515	16	(	(	-LRB-
12787	2515	17	b	b	NN
12787	2515	18	)	)	-RRB-
12787	2515	19	of	of	IN
12787	2515	20	hydrochloric	hydrochloric	JJ
12787	2515	21	acid	acid	NN
12787	2515	22	as	as	IN
12787	2515	23	an	an	DT
12787	2515	24	acid	acid	NN
12787	2515	25	;	;	:
12787	2515	26	(	(	-LRB-
12787	2515	27	c	c	NN
12787	2515	28	)	)	-RRB-
12787	2515	29	of	of	IN
12787	2515	30	oxalic	oxalic	JJ
12787	2515	31	acid	acid	NN
12787	2515	32	as	as	IN
12787	2515	33	an	an	DT
12787	2515	34	acid	acid	NN
12787	2515	35	;	;	:
12787	2515	36	(	(	-LRB-
12787	2515	37	d	d	LS
12787	2515	38	)	)	-RRB-
12787	2515	39	of	of	IN
12787	2515	40	nitric	nitric	JJ
12787	2515	41	acid	acid	NN
12787	2515	42	as	as	IN
12787	2515	43	an	an	DT
12787	2515	44	acid	acid	NN
12787	2515	45	.	.	.
12787	2516	1	!	!	.
12787	2516	2	Answers	answer	NNS
12787	2516	3	!	!	.
12787	2517	1	:	:	:
12787	2517	2	(	(	-LRB-
12787	2517	3	a	a	DT
12787	2517	4	)	)	-RRB-
12787	2517	5	49.05	49.05	CD
12787	2517	6	;	;	:
12787	2517	7	(	(	-LRB-
12787	2517	8	b	b	NN
12787	2517	9	)	)	-RRB-
12787	2517	10	36.5	36.5	CD
12787	2517	11	;	;	:
12787	2517	12	(	(	-LRB-
12787	2517	13	c	c	NN
12787	2517	14	)	)	-RRB-
12787	2517	15	63	63	CD
12787	2517	16	;	;	:
12787	2517	17	(	(	-LRB-
12787	2517	18	d	d	NNP
12787	2517	19	)	)	-RRB-
12787	2517	20	63	63	CD
12787	2517	21	.	.	.
12787	2518	1	3	3	LS
12787	2518	2	.	.	.
12787	2519	1	Calculate	calculate	VB
12787	2519	2	the	the	DT
12787	2519	3	equivalent	equivalent	NN
12787	2519	4	in	in	IN
12787	2519	5	grams	gram	NNS
12787	2519	6	of	of	IN
12787	2519	7	(	(	-LRB-
12787	2519	8	a	a	DT
12787	2519	9	)	)	-RRB-
12787	2519	10	potassium	potassium	NN
12787	2519	11	hydroxide	hydroxide	NN
12787	2519	12	;	;	,
12787	2519	13	(	(	-LRB-
12787	2519	14	b	b	NN
12787	2519	15	)	)	-RRB-
12787	2519	16	of	of	IN
12787	2519	17	sodium	sodium	NN
12787	2519	18	carbonate	carbonate	NN
12787	2519	19	;	;	:
12787	2519	20	(	(	-LRB-
12787	2519	21	c	c	NN
12787	2519	22	)	)	-RRB-
12787	2519	23	of	of	IN
12787	2519	24	barium	barium	NN
12787	2519	25	hydroxide	hydroxide	NN
12787	2519	26	;	;	,
12787	2519	27	(	(	-LRB-
12787	2519	28	d	d	NN
12787	2519	29	)	)	-RRB-
12787	2519	30	of	of	IN
12787	2519	31	sodium	sodium	NN
12787	2519	32	bicarbonate	bicarbonate	NN
12787	2519	33	when	when	WRB
12787	2519	34	titrated	titrate	VBN
12787	2519	35	with	with	IN
12787	2519	36	an	an	DT
12787	2519	37	acid	acid	NN
12787	2519	38	.	.	.
12787	2520	1	!	!	.
12787	2520	2	Answers	answer	NNS
12787	2520	3	!	!	.
12787	2521	1	:	:	:
12787	2521	2	(	(	-LRB-
12787	2521	3	a	a	DT
12787	2521	4	)	)	-RRB-
12787	2521	5	56.1	56.1	CD
12787	2521	6	;	;	:
12787	2521	7	(	(	-LRB-
12787	2521	8	b	b	NN
12787	2521	9	)	)	-RRB-
12787	2521	10	53.8	53.8	CD
12787	2521	11	;	;	:
12787	2521	12	(	(	-LRB-
12787	2521	13	c	c	NN
12787	2521	14	)	)	-RRB-
12787	2521	15	85.7	85.7	CD
12787	2521	16	;	;	:
12787	2521	17	(	(	-LRB-
12787	2521	18	d	d	NN
12787	2521	19	)	)	-RRB-
12787	2521	20	84	84	CD
12787	2521	21	.	.	.
12787	2522	1	4	4	LS
12787	2522	2	.	.	.
12787	2523	1	What	what	WP
12787	2523	2	is	be	VBZ
12787	2523	3	the	the	DT
12787	2523	4	equivalent	equivalent	NN
12787	2523	5	in	in	IN
12787	2523	6	grams	gram	NNS
12787	2523	7	of	of	IN
12787	2523	8	Na_{2}HPO_{4	Na_{2}HPO_{4	NNP
12787	2523	9	}	}	-RRB-
12787	2523	10	(	(	-LRB-
12787	2523	11	a	a	LS
12787	2523	12	)	)	-RRB-
12787	2523	13	as	as	IN
12787	2523	14	a	a	DT
12787	2523	15	phosphate	phosphate	NN
12787	2523	16	;	;	,
12787	2523	17	(	(	-LRB-
12787	2523	18	b	b	LS
12787	2523	19	)	)	-RRB-
12787	2523	20	as	as	IN
12787	2523	21	a	a	DT
12787	2523	22	sodium	sodium	NN
12787	2523	23	salt	salt	NN
12787	2523	24	?	?	.
12787	2524	1	!	!	.
12787	2524	2	Answers	answer	NNS
12787	2524	3	!	!	.
12787	2525	1	:	:	:
12787	2525	2	(	(	-LRB-
12787	2525	3	a	a	DT
12787	2525	4	)	)	-RRB-
12787	2525	5	47.33	47.33	CD
12787	2525	6	;	;	,
12787	2525	7	(	(	-LRB-
12787	2525	8	b	b	NN
12787	2525	9	)	)	-RRB-
12787	2525	10	71.0	71.0	CD
12787	2525	11	.	.	.
12787	2526	1	5	5	CD
12787	2526	2	.	.	.
12787	2527	1	A	a	DT
12787	2527	2	sample	sample	NN
12787	2527	3	of	of	IN
12787	2527	4	aqueous	aqueous	JJ
12787	2527	5	hydrochloric	hydrochloric	JJ
12787	2527	6	acid	acid	NN
12787	2527	7	has	have	VBZ
12787	2527	8	a	a	DT
12787	2527	9	specific	specific	JJ
12787	2527	10	gravity	gravity	NN
12787	2527	11	of	of	IN
12787	2527	12	1.12	1.12	CD
12787	2527	13	and	and	CC
12787	2527	14	contains	contain	VBZ
12787	2527	15	23.81	23.81	CD
12787	2527	16	per	per	IN
12787	2527	17	cent	cent	NN
12787	2527	18	hydrochloric	hydrochloric	JJ
12787	2527	19	acid	acid	NN
12787	2527	20	by	by	IN
12787	2527	21	weight	weight	NN
12787	2527	22	.	.	.
12787	2528	1	Calculate	calculate	VB
12787	2528	2	the	the	DT
12787	2528	3	grams	gram	NNS
12787	2528	4	and	and	CC
12787	2528	5	the	the	DT
12787	2528	6	milliequivalents	milliequivalent	NNS
12787	2528	7	of	of	IN
12787	2528	8	hydrochloric	hydrochloric	JJ
12787	2528	9	acid	acid	NN
12787	2528	10	(	(	-LRB-
12787	2528	11	HCl	HCl	NNP
12787	2528	12	)	)	-RRB-
12787	2528	13	in	in	IN
12787	2528	14	each	each	DT
12787	2528	15	cubic	cubic	JJ
12787	2528	16	centimeter	centimeter	NN
12787	2528	17	of	of	IN
12787	2528	18	the	the	DT
12787	2528	19	aqueous	aqueous	JJ
12787	2528	20	acid	acid	NN
12787	2528	21	.	.	.
12787	2529	1	!	!	.
12787	2529	2	Answers	answer	NNS
12787	2529	3	!	!	.
12787	2530	1	:	:	:
12787	2530	2	0.2667	0.2667	CD
12787	2530	3	gram	gram	NN
12787	2530	4	;	;	:
12787	2530	5	7.307	7.307	CD
12787	2530	6	milliequivalents	milliequivalent	NNS
12787	2530	7	.	.	.
12787	2531	1	6	6	CD
12787	2531	2	.	.	.
12787	2532	1	How	how	WRB
12787	2532	2	many	many	JJ
12787	2532	3	cubic	cubic	JJ
12787	2532	4	centimeters	centimeter	NNS
12787	2532	5	of	of	IN
12787	2532	6	hydrochloric	hydrochloric	JJ
12787	2532	7	acid	acid	NN
12787	2532	8	(	(	-LRB-
12787	2532	9	sp	sp	NNP
12787	2532	10	.	.	.
12787	2533	1	gr	gr	NNP
12787	2533	2	.	.	.
12787	2534	1	1.20	1.20	CD
12787	2534	2	containing	contain	VBG
12787	2534	3	39.80	39.80	CD
12787	2534	4	per	per	IN
12787	2534	5	cent	cent	NN
12787	2534	6	HCl	HCl	NNS
12787	2534	7	by	by	IN
12787	2534	8	weight	weight	NN
12787	2534	9	)	)	-RRB-
12787	2534	10	are	be	VBP
12787	2534	11	required	require	VBN
12787	2534	12	to	to	TO
12787	2534	13	furnish	furnish	VB
12787	2534	14	36.45	36.45	CD
12787	2534	15	grams	gram	NNS
12787	2534	16	of	of	IN
12787	2534	17	the	the	DT
12787	2534	18	gaseous	gaseous	JJ
12787	2534	19	compound	compound	NN
12787	2534	20	?	?	.
12787	2535	1	!	!	.
12787	2535	2	Answer	answer	VB
12787	2535	3	!	!	.
12787	2536	1	:	:	:
12787	2536	2	76.33	76.33	CD
12787	2536	3	cc	cc	NNP
12787	2536	4	.	.	.
12787	2537	1	7	7	LS
12787	2537	2	.	.	.
12787	2538	1	A	a	DT
12787	2538	2	given	give	VBN
12787	2538	3	solution	solution	NN
12787	2538	4	contains	contain	VBZ
12787	2538	5	0.1063	0.1063	CD
12787	2538	6	equivalents	equivalent	NNS
12787	2538	7	of	of	IN
12787	2538	8	hydrochloric	hydrochloric	JJ
12787	2538	9	acid	acid	NN
12787	2538	10	in	in	IN
12787	2538	11	976	976	CD
12787	2538	12	cc	cc	NN
12787	2538	13	.	.	.
12787	2539	1	What	what	WP
12787	2539	2	is	be	VBZ
12787	2539	3	its	-PRON-	PRP$
12787	2539	4	normal	normal	JJ
12787	2539	5	value	value	NN
12787	2539	6	?	?	.
12787	2540	1	!	!	.
12787	2540	2	Answer	answer	VB
12787	2540	3	!	!	.
12787	2541	1	:	:	:
12787	2541	2	0.1089	0.1089	NNP
12787	2541	3	N.	N.	NNP
12787	2541	4	8	8	CD
12787	2541	5	.	.	.
12787	2542	1	In	in	IN
12787	2542	2	standardizing	standardize	VBG
12787	2542	3	a	a	DT
12787	2542	4	hydrochloric	hydrochloric	JJ
12787	2542	5	acid	acid	NN
12787	2542	6	solution	solution	NN
12787	2542	7	it	-PRON-	PRP
12787	2542	8	is	be	VBZ
12787	2542	9	found	find	VBN
12787	2542	10	that	that	IN
12787	2542	11	47.26	47.26	CD
12787	2542	12	cc	cc	NNP
12787	2542	13	.	.	.
12787	2543	1	of	of	IN
12787	2543	2	hydrochloric	hydrochloric	JJ
12787	2543	3	acid	acid	NN
12787	2543	4	are	be	VBP
12787	2543	5	exactly	exactly	RB
12787	2543	6	equivalent	equivalent	JJ
12787	2543	7	to	to	IN
12787	2543	8	1.216	1.216	CD
12787	2543	9	grams	gram	NNS
12787	2543	10	of	of	IN
12787	2543	11	pure	pure	JJ
12787	2543	12	sodium	sodium	NN
12787	2543	13	carbonate	carbonate	NN
12787	2543	14	,	,	,
12787	2543	15	using	use	VBG
12787	2543	16	methyl	methyl	NN
12787	2543	17	orange	orange	NN
12787	2543	18	as	as	IN
12787	2543	19	an	an	DT
12787	2543	20	indicator	indicator	NN
12787	2543	21	.	.	.
12787	2544	1	What	what	WP
12787	2544	2	is	be	VBZ
12787	2544	3	the	the	DT
12787	2544	4	normal	normal	JJ
12787	2544	5	value	value	NN
12787	2544	6	of	of	IN
12787	2544	7	the	the	DT
12787	2544	8	hydrochloric	hydrochloric	JJ
12787	2544	9	acid	acid	NN
12787	2544	10	?	?	.
12787	2545	1	!	!	.
12787	2545	2	Answer	answer	VB
12787	2545	3	!	!	.
12787	2546	1	:	:	:
12787	2546	2	0.4855	0.4855	NNP
12787	2546	3	N.	N.	NNP
12787	2546	4	9	9	CD
12787	2546	5	.	.	.
12787	2547	1	Convert	Convert	NNP
12787	2547	2	42.75	42.75	CD
12787	2547	3	cc	cc	NN
12787	2547	4	.	.	.
12787	2548	1	of	of	IN
12787	2548	2	0.5162	0.5162	CD
12787	2548	3	normal	normal	JJ
12787	2548	4	hydrochloric	hydrochloric	JJ
12787	2548	5	acid	acid	NN
12787	2548	6	to	to	IN
12787	2548	7	the	the	DT
12787	2548	8	equivalent	equivalent	JJ
12787	2548	9	volume	volume	NN
12787	2548	10	of	of	IN
12787	2548	11	normal	normal	JJ
12787	2548	12	hydrochloric	hydrochloric	JJ
12787	2548	13	acid	acid	NN
12787	2548	14	.	.	.
12787	2549	1	!	!	.
12787	2549	2	Answer	answer	VB
12787	2549	3	!	!	.
12787	2550	1	:	:	:
12787	2550	2	22.07	22.07	CD
12787	2550	3	cc	cc	NNP
12787	2550	4	.	.	.
12787	2551	1	10	10	CD
12787	2551	2	.	.	.
12787	2552	1	A	a	DT
12787	2552	2	solution	solution	NN
12787	2552	3	containing	contain	VBG
12787	2552	4	25.27	25.27	CD
12787	2552	5	cc	cc	NN
12787	2552	6	.	.	.
12787	2553	1	of	of	IN
12787	2553	2	0.1065	0.1065	CD
12787	2553	3	normal	normal	JJ
12787	2553	4	hydrochloric	hydrochloric	JJ
12787	2553	5	acid	acid	NN
12787	2553	6	is	be	VBZ
12787	2553	7	added	add	VBN
12787	2553	8	to	to	IN
12787	2553	9	one	one	CD
12787	2553	10	containing	contain	VBG
12787	2553	11	92.21	92.21	CD
12787	2553	12	cc	cc	NN
12787	2553	13	.	.	.
12787	2554	1	of	of	IN
12787	2554	2	0.5431	0.5431	CD
12787	2554	3	normal	normal	JJ
12787	2554	4	sulphuric	sulphuric	JJ
12787	2554	5	acid	acid	NN
12787	2554	6	and	and	CC
12787	2554	7	50	50	CD
12787	2554	8	cc	cc	NN
12787	2554	9	.	.	.
12787	2555	1	of	of	IN
12787	2555	2	exactly	exactly	RB
12787	2555	3	normal	normal	JJ
12787	2555	4	potassium	potassium	NN
12787	2555	5	hydroxide	hydroxide	NN
12787	2555	6	added	add	VBD
12787	2555	7	from	from	IN
12787	2555	8	a	a	DT
12787	2555	9	pipette	pipette	NN
12787	2555	10	.	.	.
12787	2556	1	Is	be	VBZ
12787	2556	2	the	the	DT
12787	2556	3	solution	solution	NN
12787	2556	4	acid	acid	NN
12787	2556	5	or	or	CC
12787	2556	6	alkaline	alkaline	NN
12787	2556	7	?	?	.
12787	2557	1	How	how	WRB
12787	2557	2	many	many	JJ
12787	2557	3	cubic	cubic	JJ
12787	2557	4	centimeters	centimeter	NNS
12787	2557	5	of	of	IN
12787	2557	6	0.1	0.1	CD
12787	2557	7	normal	normal	JJ
12787	2557	8	acid	acid	NN
12787	2557	9	or	or	CC
12787	2557	10	alkali	alkali	JJ
12787	2557	11	must	must	MD
12787	2557	12	be	be	VB
12787	2557	13	added	add	VBN
12787	2557	14	to	to	TO
12787	2557	15	exactly	exactly	RB
12787	2557	16	neutralize	neutralize	VB
12787	2557	17	the	the	DT
12787	2557	18	solution	solution	NN
12787	2557	19	?	?	.
12787	2558	1	!	!	.
12787	2558	2	Answer	answer	VB
12787	2558	3	!	!	.
12787	2559	1	:	:	:
12787	2559	2	27.6	27.6	CD
12787	2559	3	cc	cc	NNP
12787	2559	4	.	.	.
12787	2560	1	alkali	alkali	NNP
12787	2560	2	(	(	-LRB-
12787	2560	3	solution	solution	NN
12787	2560	4	is	be	VBZ
12787	2560	5	acid	acid	NN
12787	2560	6	)	)	-RRB-
12787	2560	7	.	.	.
12787	2561	1	11	11	CD
12787	2561	2	.	.	.
12787	2562	1	By	by	IN
12787	2562	2	experiment	experiment	NN
12787	2562	3	the	the	DT
12787	2562	4	normal	normal	JJ
12787	2562	5	value	value	NN
12787	2562	6	of	of	IN
12787	2562	7	a	a	DT
12787	2562	8	sulphuric	sulphuric	JJ
12787	2562	9	acid	acid	NN
12787	2562	10	solution	solution	NN
12787	2562	11	is	be	VBZ
12787	2562	12	found	find	VBN
12787	2562	13	to	to	TO
12787	2562	14	be	be	VB
12787	2562	15	0.5172	0.5172	ADD
12787	2562	16	.	.	.
12787	2563	1	Of	of	IN
12787	2563	2	this	this	DT
12787	2563	3	acid	acid	NN
12787	2563	4	39.65	39.65	CD
12787	2563	5	cc	cc	NN
12787	2563	6	.	.	.
12787	2564	1	are	be	VBP
12787	2564	2	exactly	exactly	RB
12787	2564	3	equivalent	equivalent	JJ
12787	2564	4	to	to	IN
12787	2564	5	21.74	21.74	CD
12787	2564	6	cc	cc	NNP
12787	2564	7	.	.	.
12787	2565	1	of	of	IN
12787	2565	2	a	a	DT
12787	2565	3	standard	standard	JJ
12787	2565	4	alkali	alkali	JJ
12787	2565	5	solution	solution	NN
12787	2565	6	.	.	.
12787	2566	1	What	what	WP
12787	2566	2	is	be	VBZ
12787	2566	3	the	the	DT
12787	2566	4	normal	normal	JJ
12787	2566	5	value	value	NN
12787	2566	6	of	of	IN
12787	2566	7	the	the	DT
12787	2566	8	alkali	alkali	JJ
12787	2566	9	?	?	.
12787	2567	1	!	!	.
12787	2567	2	Answer	answer	VB
12787	2567	3	!	!	.
12787	2568	1	:	:	:
12787	2568	2	0.9432	0.9432	CD
12787	2568	3	N.	N.	NNP
12787	2568	4	12	12	CD
12787	2568	5	.	.	.
12787	2569	1	A	a	DT
12787	2569	2	solution	solution	NN
12787	2569	3	of	of	IN
12787	2569	4	sulphuric	sulphuric	JJ
12787	2569	5	acid	acid	NN
12787	2569	6	is	be	VBZ
12787	2569	7	standardized	standardize	VBN
12787	2569	8	against	against	IN
12787	2569	9	a	a	DT
12787	2569	10	sample	sample	NN
12787	2569	11	of	of	IN
12787	2569	12	calcium	calcium	NN
12787	2569	13	carbonate	carbonate	NN
12787	2569	14	which	which	WDT
12787	2569	15	has	have	VBZ
12787	2569	16	been	be	VBN
12787	2569	17	previously	previously	RB
12787	2569	18	accurately	accurately	RB
12787	2569	19	analyzed	analyze	VBN
12787	2569	20	and	and	CC
12787	2569	21	found	find	VBN
12787	2569	22	to	to	TO
12787	2569	23	contain	contain	VB
12787	2569	24	92.44	92.44	CD
12787	2569	25	%	%	NN
12787	2569	26	CaCO_{3	CaCO_{3	NNP
12787	2569	27	}	}	-RRB-
12787	2569	28	and	and	CC
12787	2569	29	no	no	DT
12787	2569	30	other	other	JJ
12787	2569	31	basic	basic	JJ
12787	2569	32	material	material	NN
12787	2569	33	.	.	.
12787	2570	1	The	the	DT
12787	2570	2	sample	sample	NN
12787	2570	3	weighing	weigh	VBG
12787	2570	4	0.7423	0.7423	CD
12787	2570	5	gram	gram	NN
12787	2570	6	was	be	VBD
12787	2570	7	titrated	titrate	VBN
12787	2570	8	by	by	IN
12787	2570	9	adding	add	VBG
12787	2570	10	an	an	DT
12787	2570	11	excess	excess	NN
12787	2570	12	of	of	IN
12787	2570	13	acid	acid	NN
12787	2570	14	(	(	-LRB-
12787	2570	15	42.42	42.42	CD
12787	2570	16	cc	cc	NNP
12787	2570	17	.	.	.
12787	2570	18	)	)	-RRB-
12787	2571	1	and	and	CC
12787	2571	2	titrating	titrate	VBG
12787	2571	3	the	the	DT
12787	2571	4	excess	excess	NN
12787	2571	5	with	with	IN
12787	2571	6	sodium	sodium	NN
12787	2571	7	hydroxide	hydroxide	NN
12787	2571	8	solution	solution	NN
12787	2571	9	(	(	-LRB-
12787	2571	10	11.22	11.22	CD
12787	2571	11	cc	cc	NNP
12787	2571	12	.	.	.
12787	2571	13	)	)	-RRB-
12787	2571	14	.	.	.
12787	2572	1	1	1	CD
12787	2572	2	cc	cc	NNP
12787	2572	3	.	.	.
12787	2573	1	of	of	IN
12787	2573	2	acid	acid	NNP
12787	2573	3	is	be	VBZ
12787	2573	4	equivalent	equivalent	JJ
12787	2573	5	to	to	IN
12787	2573	6	0.9976	0.9976	CD
12787	2573	7	cc	cc	NN
12787	2573	8	.	.	.
12787	2574	1	of	of	IN
12787	2574	2	sodium	sodium	NNP
12787	2574	3	hydroxide	hydroxide	NNP
12787	2574	4	.	.	.
12787	2575	1	Calculate	calculate	VB
12787	2575	2	the	the	DT
12787	2575	3	normal	normal	JJ
12787	2575	4	value	value	NN
12787	2575	5	of	of	IN
12787	2575	6	each	each	DT
12787	2575	7	.	.	.
12787	2576	1	!	!	.
12787	2576	2	Answers	answer	NNS
12787	2576	3	!	!	.
12787	2577	1	:	:	:
12787	2577	2	Acid	acid	NN
12787	2577	3	0.4398	0.4398	HYPH
12787	2577	4	N	n	NN
12787	2577	5	;	;	:
12787	2577	6	alkali	alkali	JJ
12787	2577	7	0.4409	0.4409	CD
12787	2577	8	N.	N.	NNP
12787	2577	9	13	13	CD
12787	2577	10	.	.	.
12787	2578	1	Given	give	VBN
12787	2578	2	five	five	CD
12787	2578	3	10	10	CD
12787	2578	4	cc	cc	NN
12787	2578	5	.	.	.
12787	2579	1	portions	portion	NNS
12787	2579	2	of	of	IN
12787	2579	3	0.1	0.1	CD
12787	2579	4	normal	normal	JJ
12787	2579	5	hydrochloric	hydrochloric	JJ
12787	2579	6	acid	acid	NN
12787	2579	7	,	,	,
12787	2579	8	(	(	-LRB-
12787	2579	9	a	a	LS
12787	2579	10	)	)	-RRB-
12787	2579	11	how	how	WRB
12787	2579	12	many	many	JJ
12787	2579	13	grams	gram	NNS
12787	2579	14	of	of	IN
12787	2579	15	silver	silver	NN
12787	2579	16	chloride	chloride	NN
12787	2579	17	will	will	MD
12787	2579	18	be	be	VB
12787	2579	19	precipitated	precipitate	VBN
12787	2579	20	by	by	IN
12787	2579	21	a	a	DT
12787	2579	22	portion	portion	NN
12787	2579	23	when	when	WRB
12787	2579	24	an	an	DT
12787	2579	25	excess	excess	NN
12787	2579	26	of	of	IN
12787	2579	27	silver	silver	NN
12787	2579	28	nitrate	nitrate	NNP
12787	2579	29	is	be	VBZ
12787	2579	30	added	add	VBN
12787	2579	31	?	?	.
12787	2580	1	(	(	-LRB-
12787	2580	2	b	b	LS
12787	2580	3	)	)	-RRB-
12787	2580	4	how	how	WRB
12787	2580	5	many	many	JJ
12787	2580	6	grams	gram	NNS
12787	2580	7	of	of	IN
12787	2580	8	pure	pure	JJ
12787	2580	9	anhydrous	anhydrous	JJ
12787	2580	10	sodium	sodium	NN
12787	2580	11	carbonate	carbonate	NN
12787	2580	12	(	(	-LRB-
12787	2580	13	Na_{2}CO_{3	Na_{2}CO_{3	NNP
12787	2580	14	}	}	-RRB-
12787	2580	15	)	)	-RRB-
12787	2580	16	will	will	MD
12787	2580	17	be	be	VB
12787	2580	18	neutralized	neutralize	VBN
12787	2580	19	by	by	IN
12787	2580	20	a	a	DT
12787	2580	21	portion	portion	NN
12787	2580	22	of	of	IN
12787	2580	23	it	-PRON-	PRP
12787	2580	24	?	?	.
12787	2581	1	(	(	-LRB-
12787	2581	2	c	c	NN
12787	2581	3	)	)	-RRB-
12787	2581	4	how	how	WRB
12787	2581	5	many	many	JJ
12787	2581	6	grams	gram	NNS
12787	2581	7	of	of	IN
12787	2581	8	silver	silver	NN
12787	2581	9	will	will	MD
12787	2581	10	there	there	EX
12787	2581	11	be	be	VB
12787	2581	12	in	in	IN
12787	2581	13	the	the	DT
12787	2581	14	silver	silver	NN
12787	2581	15	chloride	chloride	NN
12787	2581	16	formed	form	VBN
12787	2581	17	when	when	WRB
12787	2581	18	an	an	DT
12787	2581	19	excess	excess	NN
12787	2581	20	of	of	IN
12787	2581	21	silver	silver	NN
12787	2581	22	nitrate	nitrate	NNP
12787	2581	23	is	be	VBZ
12787	2581	24	added	add	VBN
12787	2581	25	to	to	IN
12787	2581	26	a	a	DT
12787	2581	27	portion	portion	NN
12787	2581	28	?	?	.
12787	2582	1	(	(	-LRB-
12787	2582	2	d	d	LS
12787	2582	3	)	)	-RRB-
12787	2582	4	how	how	WRB
12787	2582	5	many	many	JJ
12787	2582	6	grams	gram	NNS
12787	2582	7	of	of	IN
12787	2582	8	iron	iron	NN
12787	2582	9	will	will	MD
12787	2582	10	be	be	VB
12787	2582	11	dissolved	dissolve	VBN
12787	2582	12	to	to	IN
12787	2582	13	FeCl_{2	FeCl_{2	NNP
12787	2582	14	}	}	-RRB-
12787	2582	15	by	by	IN
12787	2582	16	a	a	DT
12787	2582	17	portion	portion	NN
12787	2582	18	of	of	IN
12787	2582	19	it	-PRON-	PRP
12787	2582	20	?	?	.
12787	2583	1	(	(	-LRB-
12787	2583	2	e	e	NNP
12787	2583	3	)	)	-RRB-
12787	2583	4	how	how	WRB
12787	2583	5	many	many	JJ
12787	2583	6	grams	gram	NNS
12787	2583	7	of	of	IN
12787	2583	8	magnesium	magnesium	NN
12787	2583	9	chloride	chloride	NN
12787	2583	10	will	will	MD
12787	2583	11	be	be	VB
12787	2583	12	formed	form	VBN
12787	2583	13	and	and	CC
12787	2583	14	how	how	WRB
12787	2583	15	many	many	JJ
12787	2583	16	grams	gram	NNS
12787	2583	17	of	of	IN
12787	2583	18	carbon	carbon	NN
12787	2583	19	dioxide	dioxide	NN
12787	2583	20	liberated	liberate	VBN
12787	2583	21	when	when	WRB
12787	2583	22	an	an	DT
12787	2583	23	excess	excess	NN
12787	2583	24	of	of	IN
12787	2583	25	magnesium	magnesium	NN
12787	2583	26	carbonate	carbonate	NN
12787	2583	27	is	be	VBZ
12787	2583	28	treated	treat	VBN
12787	2583	29	with	with	IN
12787	2583	30	a	a	DT
12787	2583	31	portion	portion	NN
12787	2583	32	of	of	IN
12787	2583	33	the	the	DT
12787	2583	34	acid	acid	NN
12787	2583	35	?	?	.
12787	2584	1	!	!	.
12787	2584	2	Answers	answer	NNS
12787	2584	3	!	!	.
12787	2585	1	:	:	:
12787	2585	2	(	(	-LRB-
12787	2585	3	a	a	DT
12787	2585	4	)	)	-RRB-
12787	2585	5	0.1434	0.1434	CD
12787	2585	6	;	;	:
12787	2585	7	(	(	-LRB-
12787	2585	8	b	b	NN
12787	2585	9	)	)	-RRB-
12787	2585	10	0.053	0.053	CD
12787	2585	11	;	;	:
12787	2585	12	(	(	-LRB-
12787	2585	13	c	c	NN
12787	2585	14	)	)	-RRB-
12787	2585	15	0.1079	0.1079	ADD
12787	2585	16	;	;	:
12787	2585	17	(	(	-LRB-
12787	2585	18	d	d	NNP
12787	2585	19	)	)	-RRB-
12787	2585	20	0.0279	0.0279	CD
12787	2585	21	;	;	:
12787	2585	22	(	(	-LRB-
12787	2585	23	e	e	NNP
12787	2585	24	)	)	-RRB-
12787	2585	25	0.04765	0.04765	CD
12787	2585	26	,	,	,
12787	2585	27	and	and	CC
12787	2585	28	0.022	0.022	CD
12787	2585	29	.	.	.
12787	2586	1	14	14	CD
12787	2586	2	.	.	.
12787	2587	1	If	if	IN
12787	2587	2	30.00	30.00	CD
12787	2587	3	grams	gram	NNS
12787	2587	4	of	of	IN
12787	2587	5	potassium	potassium	NN
12787	2587	6	tetroxalate	tetroxalate	NN
12787	2587	7	(	(	-LRB-
12787	2587	8	KHC_{2}O_{4}.H_{2}C_{2}O_{4}.2H_{2}O	KHC_{2}O_{4}.H_{2}C_{2}O_{4}.2H_{2}O	NNP
12787	2587	9	)	)	-RRB-
12787	2587	10	are	be	VBP
12787	2587	11	dissolved	dissolve	VBN
12787	2587	12	and	and	CC
12787	2587	13	the	the	DT
12787	2587	14	solution	solution	NN
12787	2587	15	diluted	dilute	VBN
12787	2587	16	to	to	IN
12787	2587	17	exactly	exactly	RB
12787	2587	18	1	1	CD
12787	2587	19	liter	liter	NN
12787	2587	20	,	,	,
12787	2587	21	and	and	CC
12787	2587	22	40	40	CD
12787	2587	23	cc	cc	NN
12787	2587	24	.	.	.
12787	2588	1	are	be	VBP
12787	2588	2	neutralized	neutralize	VBN
12787	2588	3	with	with	IN
12787	2588	4	20	20	CD
12787	2588	5	cc	cc	NN
12787	2588	6	.	.	.
12787	2589	1	of	of	IN
12787	2589	2	a	a	DT
12787	2589	3	potassium	potassium	NN
12787	2589	4	carbonate	carbonate	NN
12787	2589	5	solution	solution	NN
12787	2589	6	,	,	,
12787	2589	7	what	what	WP
12787	2589	8	is	be	VBZ
12787	2589	9	the	the	DT
12787	2589	10	normal	normal	JJ
12787	2589	11	value	value	NN
12787	2589	12	of	of	IN
12787	2589	13	the	the	DT
12787	2589	14	carbonate	carbonate	NN
12787	2589	15	solution	solution	NN
12787	2589	16	?	?	.
12787	2590	1	!	!	.
12787	2590	2	Answer	answer	VB
12787	2590	3	!	!	.
12787	2591	1	:	:	:
12787	2591	2	0.7084	0.7084	CD
12787	2591	3	N.	N.	NNP
12787	2591	4	15	15	CD
12787	2591	5	.	.	.
12787	2592	1	How	how	WRB
12787	2592	2	many	many	JJ
12787	2592	3	cubic	cubic	JJ
12787	2592	4	centimeters	centimeter	NNS
12787	2592	5	of	of	IN
12787	2592	6	0.3	0.3	CD
12787	2592	7	normal	normal	JJ
12787	2592	8	sulphuric	sulphuric	JJ
12787	2592	9	acid	acid	NN
12787	2592	10	will	will	MD
12787	2592	11	be	be	VB
12787	2592	12	required	require	VBN
12787	2592	13	to	to	TO
12787	2592	14	neutralize	neutralize	VB
12787	2592	15	(	(	-LRB-
12787	2592	16	a	a	DT
12787	2592	17	)	)	-RRB-
12787	2592	18	30	30	CD
12787	2592	19	cc	cc	NN
12787	2592	20	.	.	.
12787	2593	1	of	of	IN
12787	2593	2	0.5	0.5	CD
12787	2593	3	normal	normal	JJ
12787	2593	4	potassium	potassium	NN
12787	2593	5	hydroxide	hydroxide	NN
12787	2593	6	;	;	,
12787	2593	7	(	(	-LRB-
12787	2593	8	b	b	NN
12787	2593	9	)	)	-RRB-
12787	2593	10	to	to	TO
12787	2593	11	neutralize	neutralize	VB
12787	2593	12	30	30	CD
12787	2593	13	cc	cc	NN
12787	2593	14	.	.	.
12787	2594	1	of	of	IN
12787	2594	2	0.5	0.5	CD
12787	2594	3	normal	normal	JJ
12787	2594	4	barium	barium	NN
12787	2594	5	hydroxide	hydroxide	NN
12787	2594	6	;	;	,
12787	2594	7	(	(	-LRB-
12787	2594	8	c	c	NN
12787	2594	9	)	)	-RRB-
12787	2594	10	to	to	TO
12787	2594	11	neutralize	neutralize	VB
12787	2594	12	20	20	CD
12787	2594	13	cc	cc	NN
12787	2594	14	.	.	.
12787	2595	1	of	of	IN
12787	2595	2	a	a	DT
12787	2595	3	solution	solution	NN
12787	2595	4	containing	contain	VBG
12787	2595	5	10.02	10.02	CD
12787	2595	6	grams	gram	NNS
12787	2595	7	of	of	IN
12787	2595	8	potassium	potassium	NN
12787	2595	9	bicarbonate	bicarbonate	NN
12787	2595	10	per	per	IN
12787	2595	11	100	100	CD
12787	2595	12	cc	cc	NN
12787	2595	13	.	.	.
12787	2596	1	;	;	:
12787	2596	2	(	(	-LRB-
12787	2596	3	d	d	NNP
12787	2596	4	)	)	-RRB-
12787	2596	5	to	to	TO
12787	2596	6	give	give	VB
12787	2596	7	a	a	DT
12787	2596	8	precipitate	precipitate	NN
12787	2596	9	of	of	IN
12787	2596	10	barium	barium	NN
12787	2596	11	sulphate	sulphate	NN
12787	2596	12	weighing	weigh	VBG
12787	2596	13	0.4320	0.4320	CD
12787	2596	14	gram	gram	NN
12787	2596	15	?	?	.
12787	2597	1	!	!	.
12787	2597	2	Answers	answer	NNS
12787	2597	3	!	!	.
12787	2598	1	:	:	:
12787	2598	2	(	(	-LRB-
12787	2598	3	a	a	DT
12787	2598	4	)	)	-RRB-
12787	2598	5	50	50	CD
12787	2598	6	cc	cc	NN
12787	2598	7	.	.	.
12787	2599	1	;	;	:
12787	2599	2	(	(	-LRB-
12787	2599	3	b	b	NN
12787	2599	4	)	)	-RRB-
12787	2599	5	50	50	CD
12787	2599	6	cc	cc	NN
12787	2599	7	.	.	.
12787	2600	1	;	;	:
12787	2600	2	(	(	-LRB-
12787	2600	3	c	c	NN
12787	2600	4	)	)	-RRB-
12787	2600	5	66.73	66.73	CD
12787	2600	6	cc	cc	NN
12787	2600	7	.	.	.
12787	2601	1	;	;	:
12787	2601	2	(	(	-LRB-
12787	2601	3	d	d	NNP
12787	2601	4	)	)	-RRB-
12787	2601	5	12.33	12.33	CD
12787	2601	6	cc	cc	NN
12787	2601	7	.	.	.
12787	2602	1	16	16	CD
12787	2602	2	.	.	.
12787	2603	1	It	-PRON-	PRP
12787	2603	2	is	be	VBZ
12787	2603	3	desired	desire	VBN
12787	2603	4	to	to	TO
12787	2603	5	dilute	dilute	VB
12787	2603	6	a	a	DT
12787	2603	7	solution	solution	NN
12787	2603	8	of	of	IN
12787	2603	9	sulphuric	sulphuric	JJ
12787	2603	10	acid	acid	NN
12787	2603	11	of	of	IN
12787	2603	12	which	which	WDT
12787	2603	13	1	1	CD
12787	2603	14	cc	cc	NN
12787	2603	15	.	.	.
12787	2604	1	is	be	VBZ
12787	2604	2	equivalent	equivalent	JJ
12787	2604	3	to	to	IN
12787	2604	4	0.1027	0.1027	CD
12787	2604	5	gram	gram	NN
12787	2604	6	of	of	IN
12787	2604	7	pure	pure	JJ
12787	2604	8	sodium	sodium	NN
12787	2604	9	carbonate	carbonate	NN
12787	2604	10	to	to	TO
12787	2604	11	make	make	VB
12787	2604	12	it	-PRON-	PRP
12787	2604	13	exactly	exactly	RB
12787	2604	14	1.250	1.250	CD
12787	2604	15	normal	normal	JJ
12787	2604	16	.	.	.
12787	2605	1	700	700	CD
12787	2605	2	cc	cc	NN
12787	2605	3	.	.	.
12787	2606	1	of	of	IN
12787	2606	2	the	the	DT
12787	2606	3	solution	solution	NN
12787	2606	4	are	be	VBP
12787	2606	5	available	available	JJ
12787	2606	6	.	.	.
12787	2607	1	To	to	IN
12787	2607	2	what	what	WDT
12787	2607	3	volume	volume	NN
12787	2607	4	must	must	MD
12787	2607	5	it	-PRON-	PRP
12787	2607	6	be	be	VB
12787	2607	7	diluted	dilute	VBN
12787	2607	8	?	?	.
12787	2608	1	!	!	.
12787	2608	2	Answer	answer	VB
12787	2608	3	!	!	.
12787	2609	1	:	:	:
12787	2609	2	1084	1084	CD
12787	2609	3	cc	cc	NNP
12787	2609	4	.	.	.
12787	2610	1	17	17	CD
12787	2610	2	.	.	.
12787	2611	1	Given	give	VBN
12787	2611	2	the	the	DT
12787	2611	3	following	following	JJ
12787	2611	4	data	data	NN
12787	2611	5	:	:	:
12787	2611	6	1	1	CD
12787	2611	7	cc	cc	NNP
12787	2611	8	.	.	.
12787	2612	1	of	of	IN
12787	2612	2	NaOH	NaOH	NNP
12787	2612	3	=	=	SYM
12787	2612	4	1.117	1.117	CD
12787	2612	5	cc	cc	NN
12787	2612	6	.	.	.
12787	2613	1	HCl	HCl	NNS
12787	2613	2	.	.	.
12787	2614	1	The	the	DT
12787	2614	2	HCl	HCl	NNS
12787	2614	3	is	be	VBZ
12787	2614	4	0.4876	0.4876	CD
12787	2614	5	N.	n.	NN
12787	2614	6	How	how	WRB
12787	2614	7	much	much	JJ
12787	2614	8	water	water	NN
12787	2614	9	must	must	MD
12787	2614	10	be	be	VB
12787	2614	11	added	add	VBN
12787	2614	12	to	to	IN
12787	2614	13	100	100	CD
12787	2614	14	cc	cc	NN
12787	2614	15	.	.	.
12787	2615	1	of	of	IN
12787	2615	2	the	the	DT
12787	2615	3	alkali	alkali	JJ
12787	2615	4	to	to	TO
12787	2615	5	make	make	VB
12787	2615	6	it	-PRON-	PRP
12787	2615	7	exactly	exactly	RB
12787	2615	8	0.5	0.5	CD
12787	2615	9	N.	n.	NN
12787	2615	10	?	?	.
12787	2616	1	!	!	.
12787	2616	2	Answer	answer	VB
12787	2616	3	!	!	.
12787	2617	1	:	:	:
12787	2617	2	9.0	9.0	CD
12787	2617	3	cc	cc	NN
12787	2617	4	.	.	.
12787	2618	1	18	18	CD
12787	2618	2	.	.	.
12787	2619	1	What	what	WP
12787	2619	2	is	be	VBZ
12787	2619	3	the	the	DT
12787	2619	4	normal	normal	JJ
12787	2619	5	value	value	NN
12787	2619	6	of	of	IN
12787	2619	7	a	a	DT
12787	2619	8	sulphuric	sulphuric	JJ
12787	2619	9	acid	acid	NN
12787	2619	10	solution	solution	NN
12787	2619	11	which	which	WDT
12787	2619	12	has	have	VBZ
12787	2619	13	a	a	DT
12787	2619	14	specific	specific	JJ
12787	2619	15	gravity	gravity	NN
12787	2619	16	of	of	IN
12787	2619	17	1.839	1.839	CD
12787	2619	18	and	and	CC
12787	2619	19	contains	contain	VBZ
12787	2619	20	95	95	CD
12787	2619	21	%	%	NN
12787	2619	22	H_{2}SO_{4	H_{2}SO_{4	NNS
12787	2619	23	}	}	-RRB-
12787	2619	24	by	by	IN
12787	2619	25	weight	weight	NN
12787	2619	26	?	?	.
12787	2620	1	!	!	.
12787	2620	2	Answer	answer	VB
12787	2620	3	!	!	.
12787	2621	1	:	:	:
12787	2621	2	35.61	35.61	CD
12787	2621	3	N.	N.	NNP
12787	2621	4	19	19	CD
12787	2621	5	.	.	.
12787	2622	1	A	a	DT
12787	2622	2	sample	sample	NN
12787	2622	3	of	of	IN
12787	2622	4	Rochelle	Rochelle	NNP
12787	2622	5	Salt	Salt	NNP
12787	2622	6	(	(	-LRB-
12787	2622	7	KNaC_{4}H_{4}O_{6}.4H_{2}O	KNaC_{4}H_{4}O_{6}.4H_{2}O	NNP
12787	2622	8	)	)	-RRB-
12787	2622	9	,	,	,
12787	2622	10	after	after	IN
12787	2622	11	ignition	ignition	NN
12787	2622	12	in	in	IN
12787	2622	13	platinum	platinum	NN
12787	2622	14	to	to	TO
12787	2622	15	convert	convert	VB
12787	2622	16	it	-PRON-	PRP
12787	2622	17	to	to	IN
12787	2622	18	the	the	DT
12787	2622	19	double	double	JJ
12787	2622	20	carbonate	carbonate	NN
12787	2622	21	,	,	,
12787	2622	22	is	be	VBZ
12787	2622	23	titrated	titrate	VBN
12787	2622	24	with	with	IN
12787	2622	25	sulphuric	sulphuric	JJ
12787	2622	26	acid	acid	NN
12787	2622	27	,	,	,
12787	2622	28	using	use	VBG
12787	2622	29	methyl	methyl	NN
12787	2622	30	orange	orange	NN
12787	2622	31	as	as	IN
12787	2622	32	an	an	DT
12787	2622	33	indicator	indicator	NN
12787	2622	34	.	.	.
12787	2623	1	From	from	IN
12787	2623	2	the	the	DT
12787	2623	3	following	follow	VBG
12787	2623	4	data	datum	NNS
12787	2623	5	calculate	calculate	VBP
12787	2623	6	the	the	DT
12787	2623	7	percentage	percentage	NN
12787	2623	8	purity	purity	NN
12787	2623	9	of	of	IN
12787	2623	10	the	the	DT
12787	2623	11	sample	sample	NN
12787	2623	12	:	:	:
12787	2623	13	Wt	wt	CD
12787	2623	14	.	.	.
12787	2624	1	sample	sample	NNP
12787	2624	2	=	=	SYM
12787	2624	3	0.9500	0.9500	CD
12787	2624	4	gram	gram	NN
12787	2624	5	H_{2}SO_{4	H_{2}SO_{4	NNP
12787	2624	6	}	}	-RRB-
12787	2624	7	used	use	VBD
12787	2624	8	=	=	NFP
12787	2624	9	43.65	43.65	CD
12787	2624	10	cc	cc	NN
12787	2624	11	.	.	.
12787	2625	1	NaOH	NaOH	NNP
12787	2625	2	used	use	VBD
12787	2625	3	=	=	SYM
12787	2625	4	1.72	1.72	CD
12787	2625	5	cc	cc	NN
12787	2625	6	.	.	.
12787	2626	1	1	1	CD
12787	2626	2	cc	cc	NNP
12787	2626	3	.	.	.
12787	2627	1	H_{2}SO_{4	H_{2}SO_{4	NNP
12787	2627	2	}	}	-RRB-
12787	2627	3	=	=	NFP
12787	2627	4	1.064	1.064	CD
12787	2627	5	cc	cc	NN
12787	2627	6	.	.	.
12787	2628	1	NaOH	NaOH	NNP
12787	2628	2	Normal	Normal	NNP
12787	2628	3	value	value	NN
12787	2628	4	NaOH	NaOH	NNP
12787	2628	5	=	=	NNP
12787	2628	6	0.1321	0.1321	CD
12787	2628	7	N.	n.	NN
12787	2629	1	!	!	.
12787	2629	2	Answer	answer	VB
12787	2629	3	!	!	.
12787	2630	1	:	:	:
12787	2630	2	87.72	87.72	CD
12787	2630	3	cc	cc	NNP
12787	2630	4	.	.	.
12787	2631	1	20	20	CD
12787	2631	2	.	.	.
12787	2632	1	One	one	CD
12787	2632	2	gram	gram	NN
12787	2632	3	of	of	IN
12787	2632	4	a	a	DT
12787	2632	5	mixture	mixture	NN
12787	2632	6	of	of	IN
12787	2632	7	50	50	CD
12787	2632	8	%	%	NN
12787	2632	9	sodium	sodium	NN
12787	2632	10	carbonate	carbonate	NN
12787	2632	11	and	and	CC
12787	2632	12	50	50	CD
12787	2632	13	%	%	NN
12787	2632	14	potassium	potassium	NN
12787	2632	15	carbonate	carbonate	NN
12787	2632	16	is	be	VBZ
12787	2632	17	dissolved	dissolve	VBN
12787	2632	18	in	in	IN
12787	2632	19	water	water	NN
12787	2632	20	,	,	,
12787	2632	21	and	and	CC
12787	2632	22	17.36	17.36	CD
12787	2632	23	cc	cc	NN
12787	2632	24	.	.	.
12787	2633	1	of	of	IN
12787	2633	2	1.075	1.075	CD
12787	2633	3	N	n	NN
12787	2633	4	acid	acid	NN
12787	2633	5	is	be	VBZ
12787	2633	6	added	add	VBN
12787	2633	7	.	.	.
12787	2634	1	Is	be	VBZ
12787	2634	2	the	the	DT
12787	2634	3	resulting	result	VBG
12787	2634	4	solution	solution	NN
12787	2634	5	acid	acid	NN
12787	2634	6	or	or	CC
12787	2634	7	alkaline	alkaline	NN
12787	2634	8	?	?	.
12787	2635	1	How	how	WRB
12787	2635	2	many	many	JJ
12787	2635	3	cubic	cubic	JJ
12787	2635	4	centimeters	centimeter	NNS
12787	2635	5	of	of	IN
12787	2635	6	1.075	1.075	CD
12787	2635	7	N	n	NN
12787	2635	8	acid	acid	NN
12787	2635	9	or	or	CC
12787	2635	10	alkali	alkali	JJ
12787	2635	11	will	will	MD
12787	2635	12	have	have	VB
12787	2635	13	to	to	TO
12787	2635	14	be	be	VB
12787	2635	15	added	add	VBN
12787	2635	16	to	to	TO
12787	2635	17	make	make	VB
12787	2635	18	the	the	DT
12787	2635	19	solution	solution	NN
12787	2635	20	exactly	exactly	RB
12787	2635	21	neutral	neutral	JJ
12787	2635	22	?	?	.
12787	2636	1	!	!	.
12787	2636	2	Answers	answer	NNS
12787	2636	3	!	!	.
12787	2637	1	:	:	:
12787	2637	2	Acid	acid	NN
12787	2637	3	;	;	:
12787	2637	4	1.86	1.86	CD
12787	2637	5	cc	cc	NN
12787	2637	6	.	.	.
12787	2638	1	alkali	alkali	NNP
12787	2638	2	.	.	.
12787	2639	1	21	21	CD
12787	2639	2	.	.	.
12787	2640	1	In	in	IN
12787	2640	2	preparing	prepare	VBG
12787	2640	3	an	an	DT
12787	2640	4	alkaline	alkaline	NN
12787	2640	5	solution	solution	NN
12787	2640	6	for	for	IN
12787	2640	7	use	use	NN
12787	2640	8	in	in	IN
12787	2640	9	volumetric	volumetric	NN
12787	2640	10	work	work	NN
12787	2640	11	,	,	,
12787	2640	12	an	an	DT
12787	2640	13	analyst	analyst	NN
12787	2640	14	,	,	,
12787	2640	15	because	because	IN
12787	2640	16	of	of	IN
12787	2640	17	shortage	shortage	NN
12787	2640	18	of	of	IN
12787	2640	19	chemicals	chemical	NNS
12787	2640	20	,	,	,
12787	2640	21	mixed	mix	VBD
12787	2640	22	exactly	exactly	RB
12787	2640	23	46.32	46.32	CD
12787	2640	24	grams	gram	NNS
12787	2640	25	of	of	IN
12787	2640	26	pure	pure	JJ
12787	2640	27	KOH	KOH	NNP
12787	2640	28	and	and	CC
12787	2640	29	27.64	27.64	CD
12787	2640	30	grams	gram	NNS
12787	2640	31	of	of	IN
12787	2640	32	pure	pure	JJ
12787	2640	33	NaOH	NaOH	NNP
12787	2640	34	,	,	,
12787	2640	35	and	and	CC
12787	2640	36	after	after	IN
12787	2640	37	dissolving	dissolve	VBG
12787	2640	38	in	in	IN
12787	2640	39	water	water	NN
12787	2640	40	,	,	,
12787	2640	41	diluted	dilute	VBD
12787	2640	42	the	the	DT
12787	2640	43	solution	solution	NN
12787	2640	44	to	to	IN
12787	2640	45	exactly	exactly	RB
12787	2640	46	one	one	CD
12787	2640	47	liter	liter	NN
12787	2640	48	.	.	.
12787	2641	1	How	how	WRB
12787	2641	2	many	many	JJ
12787	2641	3	cubic	cubic	JJ
12787	2641	4	centimeters	centimeter	NNS
12787	2641	5	of	of	IN
12787	2641	6	1.022	1.022	CD
12787	2641	7	N	n	NN
12787	2641	8	hydrochloric	hydrochloric	JJ
12787	2641	9	acid	acid	NN
12787	2641	10	are	be	VBP
12787	2641	11	necessary	necessary	JJ
12787	2641	12	to	to	TO
12787	2641	13	neutralize	neutralize	VB
12787	2641	14	50	50	CD
12787	2641	15	cc	cc	NN
12787	2641	16	.	.	.
12787	2642	1	of	of	IN
12787	2642	2	the	the	DT
12787	2642	3	basic	basic	JJ
12787	2642	4	solution	solution	NN
12787	2642	5	?	?	.
12787	2643	1	!	!	.
12787	2643	2	Answer	answer	VB
12787	2643	3	!	!	.
12787	2644	1	:	:	:
12787	2644	2	74.18	74.18	CD
12787	2644	3	cc	cc	NNP
12787	2644	4	.	.	.
12787	2645	1	22	22	CD
12787	2645	2	.	.	.
12787	2646	1	One	one	CD
12787	2646	2	gram	gram	NN
12787	2646	3	of	of	IN
12787	2646	4	crude	crude	JJ
12787	2646	5	ammonium	ammonium	NN
12787	2646	6	salt	salt	NN
12787	2646	7	is	be	VBZ
12787	2646	8	treated	treat	VBN
12787	2646	9	with	with	IN
12787	2646	10	strong	strong	JJ
12787	2646	11	potassium	potassium	NN
12787	2646	12	hydroxide	hydroxide	NN
12787	2646	13	solution	solution	NN
12787	2646	14	.	.	.
12787	2647	1	The	the	DT
12787	2647	2	ammonia	ammonia	NN
12787	2647	3	liberated	liberate	VBN
12787	2647	4	is	be	VBZ
12787	2647	5	distilled	distil	VBN
12787	2647	6	and	and	CC
12787	2647	7	collected	collect	VBN
12787	2647	8	in	in	IN
12787	2647	9	50	50	CD
12787	2647	10	cc	cc	NN
12787	2647	11	.	.	.
12787	2648	1	of	of	IN
12787	2648	2	0.5	0.5	CD
12787	2648	3	N	n	NN
12787	2648	4	acid	acid	NN
12787	2648	5	and	and	CC
12787	2648	6	the	the	DT
12787	2648	7	excess	excess	JJ
12787	2648	8	titrated	titrate	VBN
12787	2648	9	with	with	IN
12787	2648	10	1.55	1.55	CD
12787	2648	11	cc	cc	NN
12787	2648	12	.	.	.
12787	2649	1	of	of	IN
12787	2649	2	0.5	0.5	CD
12787	2649	3	N	n	NN
12787	2649	4	sodium	sodium	NN
12787	2649	5	hydroxide	hydroxide	NN
12787	2649	6	.	.	.
12787	2650	1	Calculate	calculate	VB
12787	2650	2	the	the	DT
12787	2650	3	percentage	percentage	NN
12787	2650	4	of	of	IN
12787	2650	5	NH_{3	nh_{3	NN
12787	2650	6	}	}	-RRB-
12787	2650	7	in	in	IN
12787	2650	8	the	the	DT
12787	2650	9	sample	sample	NN
12787	2650	10	.	.	.
12787	2651	1	!	!	.
12787	2651	2	Answer	answer	VB
12787	2651	3	!	!	.
12787	2652	1	:	:	:
12787	2652	2	41.17	41.17	CD
12787	2652	3	%	%	NN
12787	2652	4	.	.	.
12787	2653	1	23	23	CD
12787	2653	2	.	.	.
12787	2654	1	In	in	IN
12787	2654	2	titrating	titrate	VBG
12787	2654	3	solutions	solution	NNS
12787	2654	4	of	of	IN
12787	2654	5	alkali	alkali	JJ
12787	2654	6	carbonates	carbonate	NNS
12787	2654	7	in	in	IN
12787	2654	8	the	the	DT
12787	2654	9	presence	presence	NN
12787	2654	10	of	of	IN
12787	2654	11	phenolphthalein	phenolphthalein	NNP
12787	2654	12	,	,	,
12787	2654	13	the	the	DT
12787	2654	14	color	color	NN
12787	2654	15	change	change	NN
12787	2654	16	takes	take	VBZ
12787	2654	17	place	place	NN
12787	2654	18	when	when	WRB
12787	2654	19	the	the	DT
12787	2654	20	carbonate	carbonate	NN
12787	2654	21	has	have	VBZ
12787	2654	22	been	be	VBN
12787	2654	23	converted	convert	VBN
12787	2654	24	to	to	TO
12787	2654	25	bicarbonate	bicarbonate	VB
12787	2654	26	.	.	.
12787	2655	1	In	in	IN
12787	2655	2	the	the	DT
12787	2655	3	presence	presence	NN
12787	2655	4	of	of	IN
12787	2655	5	methyl	methyl	NN
12787	2655	6	orange	orange	NN
12787	2655	7	,	,	,
12787	2655	8	the	the	DT
12787	2655	9	color	color	NN
12787	2655	10	change	change	NN
12787	2655	11	takes	take	VBZ
12787	2655	12	place	place	NN
12787	2655	13	only	only	RB
12787	2655	14	when	when	WRB
12787	2655	15	the	the	DT
12787	2655	16	carbonate	carbonate	NN
12787	2655	17	has	have	VBZ
12787	2655	18	been	be	VBN
12787	2655	19	completely	completely	RB
12787	2655	20	neutralized	neutralize	VBN
12787	2655	21	.	.	.
12787	2656	1	From	from	IN
12787	2656	2	the	the	DT
12787	2656	3	following	follow	VBG
12787	2656	4	data	datum	NNS
12787	2656	5	,	,	,
12787	2656	6	calculate	calculate	VBP
12787	2656	7	the	the	DT
12787	2656	8	percentages	percentage	NNS
12787	2656	9	of	of	IN
12787	2656	10	Na_{2}CO_{3	Na_{2}CO_{3	NNP
12787	2656	11	}	}	-RRB-
12787	2656	12	and	and	CC
12787	2656	13	NaOH	NaOH	NNP
12787	2656	14	in	in	IN
12787	2656	15	an	an	DT
12787	2656	16	impure	impure	NN
12787	2656	17	mixture	mixture	NN
12787	2656	18	.	.	.
12787	2657	1	Weight	weight	NN
12787	2657	2	of	of	IN
12787	2657	3	sample	sample	NN
12787	2657	4	,	,	,
12787	2657	5	1.500	1.500	CD
12787	2657	6	grams	gram	NNS
12787	2657	7	;	;	:
12787	2657	8	HCl	HCl	NNP
12787	2657	9	(	(	-LRB-
12787	2657	10	0.5	0.5	CD
12787	2657	11	N	n	NN
12787	2657	12	)	)	-RRB-
12787	2657	13	required	require	VBN
12787	2657	14	for	for	IN
12787	2657	15	phenolphthalein	phenolphthalein	NN
12787	2657	16	end	end	NN
12787	2657	17	-	-	HYPH
12787	2657	18	point	point	NN
12787	2657	19	,	,	,
12787	2657	20	28.85	28.85	CD
12787	2657	21	cc	cc	NN
12787	2657	22	.	.	.
12787	2658	1	;	;	:
12787	2658	2	HCl	HCl	NNP
12787	2658	3	(	(	-LRB-
12787	2658	4	0.5	0.5	CD
12787	2658	5	N	n	NN
12787	2658	6	)	)	-RRB-
12787	2658	7	required	require	VBN
12787	2658	8	to	to	TO
12787	2658	9	complete	complete	VB
12787	2658	10	the	the	DT
12787	2658	11	titration	titration	NN
12787	2658	12	after	after	IN
12787	2658	13	adding	add	VBG
12787	2658	14	methyl	methyl	NN
12787	2658	15	orange	orange	NNP
12787	2658	16	,	,	,
12787	2658	17	23.85	23.85	CD
12787	2658	18	cc	cc	NNP
12787	2658	19	.	.	.
12787	2659	1	!	!	.
12787	2659	2	Answers	answer	NNS
12787	2659	3	!	!	.
12787	2660	1	:	:	:
12787	2660	2	6.67	6.67	CD
12787	2660	3	%	%	NN
12787	2660	4	NaOH	NaOH	NNP
12787	2660	5	;	;	:
12787	2660	6	84.28	84.28	CD
12787	2660	7	%	%	NN
12787	2660	8	Na_{2}CO_{3	Na_{2}CO_{3	NNP
12787	2660	9	}	}	-RRB-
12787	2660	10	.	.	.
12787	2661	1	24	24	CD
12787	2661	2	.	.	.
12787	2662	1	A	a	DT
12787	2662	2	sample	sample	NN
12787	2662	3	of	of	IN
12787	2662	4	sodium	sodium	NN
12787	2662	5	carbonate	carbonate	NN
12787	2662	6	containing	contain	VBG
12787	2662	7	sodium	sodium	NN
12787	2662	8	hydroxide	hydroxide	NN
12787	2662	9	weighs	weigh	VBZ
12787	2662	10	1.179	1.179	CD
12787	2662	11	grams	gram	NNS
12787	2662	12	.	.	.
12787	2663	1	It	-PRON-	PRP
12787	2663	2	is	be	VBZ
12787	2663	3	titrated	titrate	VBN
12787	2663	4	with	with	IN
12787	2663	5	0.30	0.30	CD
12787	2663	6	N	n	CC
12787	2663	7	hydrochloric	hydrochloric	JJ
12787	2663	8	acid	acid	NN
12787	2663	9	,	,	,
12787	2663	10	using	use	VBG
12787	2663	11	phenolphthalein	phenolphthalein	NN
12787	2663	12	in	in	IN
12787	2663	13	cold	cold	JJ
12787	2663	14	solution	solution	NN
12787	2663	15	as	as	IN
12787	2663	16	an	an	DT
12787	2663	17	indicator	indicator	NN
12787	2663	18	and	and	CC
12787	2663	19	becomes	become	VBZ
12787	2663	20	colorless	colorless	JJ
12787	2663	21	after	after	IN
12787	2663	22	the	the	DT
12787	2663	23	addition	addition	NN
12787	2663	24	of	of	IN
12787	2663	25	48.16	48.16	CD
12787	2663	26	cc	cc	NNP
12787	2663	27	.	.	.
12787	2664	1	Methyl	methyl	NN
12787	2664	2	orange	orange	NN
12787	2664	3	is	be	VBZ
12787	2664	4	added	add	VBN
12787	2664	5	and	and	CC
12787	2664	6	24.08	24.08	CD
12787	2664	7	cc	cc	NNP
12787	2664	8	.	.	.
12787	2665	1	are	be	VBP
12787	2665	2	needed	need	VBN
12787	2665	3	for	for	IN
12787	2665	4	complete	complete	JJ
12787	2665	5	neutralization	neutralization	NN
12787	2665	6	.	.	.
12787	2666	1	What	what	WP
12787	2666	2	is	be	VBZ
12787	2666	3	the	the	DT
12787	2666	4	percentage	percentage	NN
12787	2666	5	of	of	IN
12787	2666	6	NaOH	NaOH	NNP
12787	2666	7	and	and	CC
12787	2666	8	Na_{2}CO_{3	Na_{2}CO_{3	NNP
12787	2666	9	}	}	-RRB-
12787	2666	10	?	?	.
12787	2667	1	!	!	.
12787	2667	2	Answers	answer	NNS
12787	2667	3	!	!	.
12787	2668	1	:	:	:
12787	2668	2	24.50	24.50	CD
12787	2668	3	%	%	NN
12787	2668	4	NaOH	NaOH	NNP
12787	2668	5	;	;	:
12787	2668	6	64.92	64.92	CD
12787	2668	7	%	%	NN
12787	2668	8	Na_{2}CO_{3	Na_{2}CO_{3	NNP
12787	2668	9	}	}	-RRB-
12787	2668	10	.	.	.
12787	2669	1	25	25	CD
12787	2669	2	.	.	.
12787	2670	1	From	from	IN
12787	2670	2	the	the	DT
12787	2670	3	following	follow	VBG
12787	2670	4	data	datum	NNS
12787	2670	5	,	,	,
12787	2670	6	calculate	calculate	VBP
12787	2670	7	the	the	DT
12787	2670	8	percentages	percentage	NNS
12787	2670	9	of	of	IN
12787	2670	10	Na_{2}CO_{3	Na_{2}CO_{3	NNP
12787	2670	11	}	}	-RRB-
12787	2670	12	and	and	CC
12787	2670	13	NaHCO_{3	NaHCO_{3	NNP
12787	2670	14	}	}	-RRB-
12787	2670	15	in	in	IN
12787	2670	16	an	an	DT
12787	2670	17	impure	impure	NN
12787	2670	18	mixture	mixture	NN
12787	2670	19	.	.	.
12787	2671	1	Weight	weight	NN
12787	2671	2	of	of	IN
12787	2671	3	sample	sample	NN
12787	2671	4	1.000	1.000	CD
12787	2671	5	gram	gram	NN
12787	2671	6	;	;	:
12787	2671	7	volume	volume	NN
12787	2671	8	of	of	IN
12787	2671	9	0.25	0.25	CD
12787	2671	10	N	n	CC
12787	2671	11	hydrochloric	hydrochloric	JJ
12787	2671	12	acid	acid	NN
12787	2671	13	required	require	VBN
12787	2671	14	for	for	IN
12787	2671	15	phenolphthalein	phenolphthalein	NN
12787	2671	16	end	end	NN
12787	2671	17	-	-	HYPH
12787	2671	18	point	point	NN
12787	2671	19	,	,	,
12787	2671	20	26.40	26.40	CD
12787	2671	21	cc	cc	NN
12787	2671	22	.	.	.
12787	2672	1	;	;	:
12787	2672	2	after	after	IN
12787	2672	3	adding	add	VBG
12787	2672	4	an	an	DT
12787	2672	5	excess	excess	NN
12787	2672	6	of	of	IN
12787	2672	7	acid	acid	NN
12787	2672	8	and	and	CC
12787	2672	9	boiling	boil	VBG
12787	2672	10	out	out	RP
12787	2672	11	the	the	DT
12787	2672	12	carbon	carbon	NN
12787	2672	13	dioxide	dioxide	NN
12787	2672	14	,	,	,
12787	2672	15	the	the	DT
12787	2672	16	total	total	JJ
12787	2672	17	volume	volume	NN
12787	2672	18	of	of	IN
12787	2672	19	0.25	0.25	CD
12787	2672	20	N	n	CC
12787	2672	21	hydrochloric	hydrochloric	JJ
12787	2672	22	acid	acid	NN
12787	2672	23	required	require	VBN
12787	2672	24	for	for	IN
12787	2672	25	phenolphthalein	phenolphthalein	NN
12787	2672	26	end	end	NN
12787	2672	27	-	-	HYPH
12787	2672	28	point	point	NN
12787	2672	29	,	,	,
12787	2672	30	67.10	67.10	CD
12787	2672	31	cc	cc	NNP
12787	2672	32	.	.	.
12787	2673	1	!	!	.
12787	2673	2	Answer	answer	VB
12787	2673	3	!	!	.
12787	2674	1	:	:	:
12787	2674	2	69.95	69.95	CD
12787	2674	3	%	%	NN
12787	2674	4	Na_{2}CO_{3	Na_{2}CO_{3	NNP
12787	2674	5	}	}	-RRB-
12787	2674	6	;	;	:
12787	2674	7	30.02	30.02	CD
12787	2674	8	%	%	NN
12787	2674	9	NaHCO_{3	nahco_{3	CD
12787	2674	10	}	}	-RRB-
12787	2674	11	.	.	.
12787	2675	1	26	26	CD
12787	2675	2	.	.	.
12787	2676	1	In	in	IN
12787	2676	2	the	the	DT
12787	2676	3	analysis	analysis	NN
12787	2676	4	of	of	IN
12787	2676	5	a	a	DT
12787	2676	6	one	one	CD
12787	2676	7	-	-	HYPH
12787	2676	8	gram	gram	NN
12787	2676	9	sample	sample	NN
12787	2676	10	of	of	IN
12787	2676	11	soda	soda	NNP
12787	2676	12	ash	ash	NNP
12787	2676	13	,	,	,
12787	2676	14	what	what	WP
12787	2676	15	must	must	MD
12787	2676	16	be	be	VB
12787	2676	17	the	the	DT
12787	2676	18	normality	normality	NN
12787	2676	19	of	of	IN
12787	2676	20	the	the	DT
12787	2676	21	acid	acid	NN
12787	2676	22	in	in	IN
12787	2676	23	order	order	NN
12787	2676	24	that	that	IN
12787	2676	25	the	the	DT
12787	2676	26	number	number	NN
12787	2676	27	of	of	IN
12787	2676	28	cubic	cubic	JJ
12787	2676	29	centimeters	centimeter	NNS
12787	2676	30	of	of	IN
12787	2676	31	acid	acid	NN
12787	2676	32	used	use	VBN
12787	2676	33	shall	shall	MD
12787	2676	34	represent	represent	VB
12787	2676	35	the	the	DT
12787	2676	36	percentage	percentage	NN
12787	2676	37	of	of	IN
12787	2676	38	carbon	carbon	NN
12787	2676	39	dioxide	dioxide	NN
12787	2676	40	present	present	JJ
12787	2676	41	?	?	.
12787	2677	1	!	!	.
12787	2677	2	Answer	answer	VB
12787	2677	3	!	!	.
12787	2678	1	:	:	:
12787	2678	2	0.4544	0.4544	CD
12787	2678	3	gram	gram	NN
12787	2678	4	.	.	.
12787	2679	1	27	27	CD
12787	2679	2	.	.	.
12787	2680	1	What	what	WDT
12787	2680	2	weight	weight	NN
12787	2680	3	of	of	IN
12787	2680	4	pearl	pearl	NNP
12787	2680	5	ash	ash	NNP
12787	2680	6	must	must	MD
12787	2680	7	be	be	VB
12787	2680	8	taken	take	VBN
12787	2680	9	for	for	IN
12787	2680	10	analysis	analysis	NN
12787	2680	11	in	in	IN
12787	2680	12	order	order	NN
12787	2680	13	that	that	IN
12787	2680	14	the	the	DT
12787	2680	15	number	number	NN
12787	2680	16	of	of	IN
12787	2680	17	cubic	cubic	JJ
12787	2680	18	centimeters	centimeter	NNS
12787	2680	19	of	of	IN
12787	2680	20	0.5	0.5	CD
12787	2680	21	N	n	NN
12787	2680	22	acid	acid	NN
12787	2680	23	used	use	VBN
12787	2680	24	may	may	MD
12787	2680	25	be	be	VB
12787	2680	26	equal	equal	JJ
12787	2680	27	to	to	IN
12787	2680	28	one	one	CD
12787	2680	29	third	third	NN
12787	2680	30	the	the	DT
12787	2680	31	percentage	percentage	NN
12787	2680	32	of	of	IN
12787	2680	33	K_{2}CO_{3	K_{2}CO_{3	NNP
12787	2680	34	}	}	-RRB-
12787	2680	35	?	?	.
12787	2681	1	!	!	.
12787	2681	2	Answer	answer	VB
12787	2681	3	!	!	.
12787	2682	1	:	:	:
12787	2682	2	1.152	1.152	CD
12787	2682	3	grams	gram	NNS
12787	2682	4	.	.	.
12787	2683	1	28	28	CD
12787	2683	2	.	.	.
12787	2684	1	What	what	WDT
12787	2684	2	weight	weight	NN
12787	2684	3	of	of	IN
12787	2684	4	cream	cream	NN
12787	2684	5	of	of	IN
12787	2684	6	tartar	tartar	NN
12787	2684	7	must	must	MD
12787	2684	8	have	have	VB
12787	2684	9	been	be	VBN
12787	2684	10	taken	take	VBN
12787	2684	11	for	for	IN
12787	2684	12	analysis	analysis	NN
12787	2684	13	in	in	IN
12787	2684	14	order	order	NN
12787	2684	15	to	to	TO
12787	2684	16	have	have	VB
12787	2684	17	obtained	obtain	VBN
12787	2684	18	97.60	97.60	CD
12787	2684	19	%	%	NN
12787	2684	20	KHC_{4}H_{4}O_{6	khc_{4}h_{4}o_{6	NN
12787	2684	21	}	}	-RRB-
12787	2684	22	in	in	IN
12787	2684	23	an	an	DT
12787	2684	24	analysis	analysis	NN
12787	2684	25	involving	involve	VBG
12787	2684	26	the	the	DT
12787	2684	27	following	follow	VBG
12787	2684	28	data	datum	NNS
12787	2684	29	:	:	:
12787	2684	30	NaOH	NaOH	NNP
12787	2684	31	used	use	VBD
12787	2684	32	=	=	SYM
12787	2684	33	30.06	30.06	CD
12787	2684	34	cc	cc	NNP
12787	2684	35	.	.	.
12787	2685	1	;	;	:
12787	2685	2	H_{2}SO_{4	H_{2}SO_{4	NNP
12787	2685	3	}	}	-RRB-
12787	2685	4	solution	solution	NN
12787	2685	5	used	use	VBN
12787	2685	6	=	=	SYM
12787	2685	7	0.50	0.50	CD
12787	2685	8	cc	cc	NN
12787	2685	9	.	.	.
12787	2686	1	;	;	:
12787	2686	2	1	1	CD
12787	2686	3	cc	cc	NNP
12787	2686	4	.	.	.
12787	2687	1	H_{2}SO_{4	H_{2}SO_{4	NNP
12787	2687	2	}	}	-RRB-
12787	2687	3	sol	sol	NN
12787	2687	4	.	.	.
12787	2688	1	=	=	NFP
12787	2688	2	0.0255	0.0255	CD
12787	2688	3	gram	gram	NNP
12787	2688	4	CaCO_{3	CaCO_{3	NNP
12787	2688	5	}	}	-RRB-
12787	2688	6	;	;	:
12787	2688	7	1	1	CD
12787	2688	8	cc	cc	NN
12787	2688	9	.	.	.
12787	2689	1	H_{2}SO_{4	H_{2}SO_{4	NNP
12787	2689	2	}	}	-RRB-
12787	2689	3	sol	sol	NN
12787	2689	4	.	.	.
12787	2690	1	=	=	NFP
12787	2690	2	1.02	1.02	CD
12787	2690	3	cc	cc	NN
12787	2690	4	.	.	.
12787	2691	1	NaOH	NaOH	NNP
12787	2691	2	sol	sol	NNP
12787	2691	3	.	.	.
12787	2691	4	?	?	.
12787	2692	1	!	!	.
12787	2692	2	Answer	answer	VB
12787	2692	3	!	!	.
12787	2693	1	:	:	:
12787	2693	2	2.846	2.846	CD
12787	2693	3	grams	gram	NNS
12787	2693	4	.	.	.
12787	2694	1	29	29	CD
12787	2694	2	.	.	.
12787	2695	1	Calculate	calculate	VB
12787	2695	2	the	the	DT
12787	2695	3	percentage	percentage	NN
12787	2695	4	of	of	IN
12787	2695	5	potassium	potassium	NN
12787	2695	6	oxide	oxide	NN
12787	2695	7	in	in	IN
12787	2695	8	an	an	DT
12787	2695	9	impure	impure	NN
12787	2695	10	sample	sample	NN
12787	2695	11	of	of	IN
12787	2695	12	potassium	potassium	NN
12787	2695	13	carbonate	carbonate	NN
12787	2695	14	from	from	IN
12787	2695	15	the	the	DT
12787	2695	16	following	follow	VBG
12787	2695	17	data	datum	NNS
12787	2695	18	:	:	:
12787	2695	19	Weight	weight	NN
12787	2695	20	of	of	IN
12787	2695	21	sample	sample	NN
12787	2695	22	=	=	SYM
12787	2695	23	1.00	1.00	CD
12787	2695	24	gram	gram	NN
12787	2695	25	;	;	:
12787	2695	26	HCl	HCl	NNP
12787	2695	27	sol	sol	VBP
12787	2695	28	.	.	.
12787	2696	1	used	use	VBN
12787	2696	2	=	=	SYM
12787	2696	3	55.90	55.90	CD
12787	2696	4	cc	cc	NN
12787	2696	5	.	.	.
12787	2697	1	;	;	:
12787	2697	2	NaOH	NaOH	NNP
12787	2697	3	sol	sol	NNP
12787	2697	4	.	.	.
12787	2698	1	used	use	VBN
12787	2698	2	=	=	SYM
12787	2698	3	0.42	0.42	CD
12787	2698	4	cc	cc	NN
12787	2698	5	.	.	.
12787	2699	1	;	;	:
12787	2699	2	1	1	CD
12787	2699	3	cc	cc	NNP
12787	2699	4	.	.	.
12787	2700	1	NaOH	NaOH	NNP
12787	2700	2	sol	sol	NNP
12787	2700	3	.	.	.
12787	2701	1	=	=	SYM
12787	2701	2	0.008473	0.008473	CD
12787	2701	3	gram	gram	NN
12787	2701	4	of	of	IN
12787	2701	5	KHC_{2}O_{4}.H_{2}C_{2}O_{4}.2H_{2}O	KHC_{2}O_{4}.H_{2}C_{2}O_{4}.2H_{2}O	NNP
12787	2701	6	;	;	:
12787	2701	7	2	2	CD
12787	2701	8	cc	cc	NNP
12787	2701	9	.	.	.
12787	2702	1	HCl	HCl	NNP
12787	2702	2	sol	sol	VBP
12787	2702	3	.	.	.
12787	2703	1	=	=	SYM
12787	2703	2	5	5	CD
12787	2703	3	cc	cc	NN
12787	2703	4	.	.	.
12787	2704	1	NaOH	NaOH	NNP
12787	2704	2	sol	sol	NNP
12787	2704	3	.	.	.
12787	2705	1	!	!	.
12787	2705	2	Answer	answer	VB
12787	2705	3	!	!	.
12787	2706	1	:	:	:
12787	2706	2	65.68	65.68	CD
12787	2706	3	%	%	NN
12787	2706	4	.	.	.
12787	2707	1	30	30	CD
12787	2707	2	.	.	.
12787	2708	1	Calculate	calculate	VB
12787	2708	2	the	the	DT
12787	2708	3	percentage	percentage	NN
12787	2708	4	purity	purity	NN
12787	2708	5	of	of	IN
12787	2708	6	a	a	DT
12787	2708	7	sample	sample	NN
12787	2708	8	of	of	IN
12787	2708	9	calcite	calcite	NN
12787	2708	10	(	(	-LRB-
12787	2708	11	CaCO_{3	CaCO_{3	NNP
12787	2708	12	}	}	-RRB-
12787	2708	13	)	)	-RRB-
12787	2708	14	from	from	IN
12787	2708	15	the	the	DT
12787	2708	16	following	following	JJ
12787	2708	17	data	data	NN
12787	2708	18	:	:	:
12787	2708	19	(	(	-LRB-
12787	2708	20	Standardization	Standardization	NNP
12787	2708	21	)	)	-RRB-
12787	2708	22	;	;	:
12787	2708	23	Weight	Weight	NNP
12787	2708	24	of	of	IN
12787	2708	25	H_{2}C_{2}O_{4}.2H_{2}O	h_{2}c_{2}o_{4}.2h_{2}o	JJ
12787	2708	26	=	=	SYM
12787	2708	27	0.2460	0.2460	CD
12787	2708	28	gram	gram	NN
12787	2708	29	;	;	:
12787	2708	30	NaOH	NaOH	NNP
12787	2708	31	solution	solution	NN
12787	2708	32	used	use	VBN
12787	2708	33	=	=	SYM
12787	2708	34	41.03	41.03	CD
12787	2708	35	cc	cc	NN
12787	2708	36	.	.	.
12787	2709	1	;	;	:
12787	2709	2	HCl	HCl	NNS
12787	2709	3	solution	solution	NN
12787	2709	4	used	use	VBN
12787	2709	5	=	=	SYM
12787	2709	6	0.63	0.63	CD
12787	2709	7	;	;	:
12787	2709	8	1	1	CD
12787	2709	9	cc	cc	NN
12787	2709	10	.	.	.
12787	2710	1	NaOH	NaOH	NNP
12787	2710	2	solution	solution	NN
12787	2710	3	=	=	SYM
12787	2710	4	1.190	1.190	CD
12787	2710	5	cc	cc	NN
12787	2710	6	.	.	.
12787	2711	1	HCl	HCl	NNS
12787	2711	2	solution	solution	NN
12787	2711	3	.	.	.
12787	2712	1	(	(	-LRB-
12787	2712	2	Analysis	analysis	NN
12787	2712	3	)	)	-RRB-
12787	2712	4	;	;	:
12787	2712	5	Weight	weight	NN
12787	2712	6	of	of	IN
12787	2712	7	sample	sample	NN
12787	2712	8	0.1200	0.1200	CD
12787	2712	9	gram	gram	NN
12787	2712	10	;	;	:
12787	2712	11	HCl	HCl	NNS
12787	2712	12	used	use	VBD
12787	2712	13	=	=	SYM
12787	2712	14	36.38	36.38	CD
12787	2712	15	cc	cc	NN
12787	2712	16	.	.	.
12787	2713	1	;	;	:
12787	2713	2	NaOH	NaOH	NNP
12787	2713	3	used	use	VBD
12787	2713	4	=	=	SYM
12787	2713	5	6.20	6.20	CD
12787	2713	6	cc	cc	NN
12787	2713	7	.	.	.
12787	2714	1	!	!	.
12787	2714	2	Answer	answer	VB
12787	2714	3	!	!	.
12787	2715	1	:	:	:
12787	2715	2	97.97	97.97	CD
12787	2715	3	%	%	NN
12787	2715	4	.	.	.
12787	2716	1	31	31	CD
12787	2716	2	.	.	.
12787	2717	1	It	-PRON-	PRP
12787	2717	2	is	be	VBZ
12787	2717	3	desired	desire	VBN
12787	2717	4	to	to	TO
12787	2717	5	dilute	dilute	VB
12787	2717	6	a	a	DT
12787	2717	7	solution	solution	NN
12787	2717	8	of	of	IN
12787	2717	9	hydrochloric	hydrochloric	JJ
12787	2717	10	acid	acid	NN
12787	2717	11	to	to	IN
12787	2717	12	exactly	exactly	RB
12787	2717	13	0.05	0.05	CD
12787	2717	14	N.	n.	NN
12787	2717	15	The	the	DT
12787	2717	16	following	follow	VBG
12787	2717	17	data	datum	NNS
12787	2717	18	are	be	VBP
12787	2717	19	given	give	VBN
12787	2717	20	:	:	:
12787	2717	21	44.97	44.97	CD
12787	2717	22	cc	cc	NNP
12787	2717	23	.	.	.
12787	2718	1	of	of	IN
12787	2718	2	the	the	DT
12787	2718	3	hydrochloric	hydrochloric	JJ
12787	2718	4	acid	acid	NN
12787	2718	5	are	be	VBP
12787	2718	6	equivalent	equivalent	JJ
12787	2718	7	to	to	IN
12787	2718	8	43.76	43.76	CD
12787	2718	9	cc	cc	NNP
12787	2718	10	.	.	.
12787	2719	1	of	of	IN
12787	2719	2	the	the	DT
12787	2719	3	NaOH	NaOH	NNP
12787	2719	4	solution	solution	NN
12787	2719	5	.	.	.
12787	2720	1	The	the	DT
12787	2720	2	NaOH	NaOH	NNP
12787	2720	3	is	be	VBZ
12787	2720	4	standardized	standardize	VBN
12787	2720	5	against	against	IN
12787	2720	6	a	a	DT
12787	2720	7	pure	pure	JJ
12787	2720	8	potassium	potassium	NN
12787	2720	9	tetroxalate	tetroxalate	NN
12787	2720	10	(	(	-LRB-
12787	2720	11	KHC_{2}O_{4}.H_{2}C_{2}O_{4}.2H_{2}O	KHC_{2}O_{4}.H_{2}C_{2}O_{4}.2H_{2}O	NNP
12787	2720	12	)	)	-RRB-
12787	2720	13	weighing	weigh	VBG
12787	2720	14	0.2162	0.2162	CD
12787	2720	15	gram	gram	NN
12787	2720	16	and	and	CC
12787	2720	17	requires	require	VBZ
12787	2720	18	49.14	49.14	CD
12787	2720	19	cc	cc	NNP
12787	2720	20	.	.	.
12787	2721	1	How	how	WRB
12787	2721	2	many	many	JJ
12787	2721	3	cc	cc	NN
12787	2721	4	.	.	.
12787	2722	1	of	of	IN
12787	2722	2	water	water	NN
12787	2722	3	must	must	MD
12787	2722	4	be	be	VB
12787	2722	5	added	add	VBN
12787	2722	6	to	to	IN
12787	2722	7	1000	1000	CD
12787	2722	8	cc	cc	NNP
12787	2722	9	.	.	.
12787	2723	1	of	of	IN
12787	2723	2	the	the	DT
12787	2723	3	aqueous	aqueous	JJ
12787	2723	4	hydrochloric	hydrochloric	JJ
12787	2723	5	acid	acid	NN
12787	2723	6	?	?	.
12787	2724	1	!	!	.
12787	2724	2	Answer	answer	VB
12787	2724	3	!	!	.
12787	2725	1	:	:	:
12787	2725	2	11	11	CD
12787	2725	3	cc	cc	NN
12787	2725	4	.	.	.
12787	2726	1	32	32	CD
12787	2726	2	.	.	.
12787	2727	1	How	how	WRB
12787	2727	2	many	many	JJ
12787	2727	3	cubic	cubic	JJ
12787	2727	4	centimeters	centimeter	NNS
12787	2727	5	of	of	IN
12787	2727	6	3	3	CD
12787	2727	7	N	n	NN
12787	2727	8	phosphoric	phosphoric	NN
12787	2727	9	acid	acid	NN
12787	2727	10	must	must	MD
12787	2727	11	be	be	VB
12787	2727	12	added	add	VBN
12787	2727	13	to	to	IN
12787	2727	14	300	300	CD
12787	2727	15	cc	cc	NN
12787	2727	16	.	.	.
12787	2728	1	of	of	IN
12787	2728	2	0.4	0.4	CD
12787	2728	3	N	n	CD
12787	2728	4	phosphoric	phosphoric	NN
12787	2728	5	acid	acid	NN
12787	2728	6	in	in	IN
12787	2728	7	order	order	NN
12787	2728	8	that	that	IN
12787	2728	9	the	the	DT
12787	2728	10	resulting	result	VBG
12787	2728	11	solution	solution	NN
12787	2728	12	may	may	MD
12787	2728	13	be	be	VB
12787	2728	14	0.6	0.6	CD
12787	2728	15	N	n	CD
12787	2728	16	?	?	.
12787	2729	1	!	!	.
12787	2729	2	Answer	answer	VB
12787	2729	3	!	!	.
12787	2730	1	:	:	:
12787	2730	2	25	25	CD
12787	2730	3	cc	cc	NN
12787	2730	4	.	.	.
12787	2731	1	33	33	CD
12787	2731	2	.	.	.
12787	2732	1	To	to	TO
12787	2732	2	oxidize	oxidize	VB
12787	2732	3	the	the	DT
12787	2732	4	iron	iron	NN
12787	2732	5	in	in	IN
12787	2732	6	1	1	CD
12787	2732	7	gram	gram	NN
12787	2732	8	of	of	IN
12787	2732	9	FeSO_{4}(NH_{4})_{2}SO_{4}.6H_{2}O	FeSO_{4}(NH_{4})_{2}SO_{4}.6H_{2}O	NNP
12787	2732	10	(	(	-LRB-
12787	2732	11	mol	mol	NNP
12787	2732	12	.	.	.
12787	2733	1	wgt	wgt	UH
12787	2733	2	.	.	.
12787	2734	1	392	392	CD
12787	2734	2	)	)	-RRB-
12787	2734	3	requires	require	VBZ
12787	2734	4	3	3	CD
12787	2734	5	cc	cc	NN
12787	2734	6	.	.	.
12787	2735	1	of	of	IN
12787	2735	2	a	a	DT
12787	2735	3	given	give	VBN
12787	2735	4	solution	solution	NN
12787	2735	5	of	of	IN
12787	2735	6	HNO_{3	hno_{3	NN
12787	2735	7	}	}	-RRB-
12787	2735	8	.	.	.
12787	2736	1	What	what	WP
12787	2736	2	is	be	VBZ
12787	2736	3	the	the	DT
12787	2736	4	normality	normality	NN
12787	2736	5	of	of	IN
12787	2736	6	the	the	DT
12787	2736	7	nitric	nitric	JJ
12787	2736	8	acid	acid	NN
12787	2736	9	when	when	WRB
12787	2736	10	used	use	VBN
12787	2736	11	as	as	IN
12787	2736	12	an	an	DT
12787	2736	13	acid	acid	NN
12787	2736	14	?	?	.
12787	2737	1	6FeSO_{4	6feso_{4	LS
12787	2737	2	}	}	-RRB-
12787	2737	3	+	+	CD
12787	2737	4	2HNO_{3	2hno_{3	CD
12787	2737	5	}	}	-RRB-
12787	2737	6	+	+	SYM
12787	2737	7	2H_{2}SO_{4	2h_{2}so_{4	CD
12787	2737	8	}	}	-RRB-
12787	2737	9	=	=	SYM
12787	2737	10	3Fe_{2}(SO_{4})_{3	3fe_{2}(so_{4})_{3	CD
12787	2737	11	}	}	-RRB-
12787	2737	12	+	+	CC
12787	2737	13	2NO	2no	CD
12787	2737	14	+	+	SYM
12787	2737	15	4H_{2}O.	4h_{2}o.	CD
12787	2738	1	!	!	.
12787	2738	2	Answer	answer	VB
12787	2738	3	!	!	.
12787	2739	1	:	:	:
12787	2739	2	0.2835	0.2835	CD
12787	2739	3	N.	N.	NNP
12787	2739	4	34	34	CD
12787	2739	5	.	.	.
12787	2740	1	The	the	DT
12787	2740	2	same	same	JJ
12787	2740	3	volume	volume	NN
12787	2740	4	of	of	IN
12787	2740	5	carbon	carbon	NN
12787	2740	6	dioxide	dioxide	NN
12787	2740	7	at	at	IN
12787	2740	8	the	the	DT
12787	2740	9	same	same	JJ
12787	2740	10	temperature	temperature	NN
12787	2740	11	and	and	CC
12787	2740	12	the	the	DT
12787	2740	13	same	same	JJ
12787	2740	14	pressure	pressure	NN
12787	2740	15	is	be	VBZ
12787	2740	16	liberated	liberate	VBN
12787	2740	17	from	from	IN
12787	2740	18	a	a	DT
12787	2740	19	1	1	CD
12787	2740	20	gram	gram	NN
12787	2740	21	sample	sample	NN
12787	2740	22	of	of	IN
12787	2740	23	dolomite	dolomite	NN
12787	2740	24	,	,	,
12787	2740	25	by	by	IN
12787	2740	26	adding	add	VBG
12787	2740	27	an	an	DT
12787	2740	28	excess	excess	NN
12787	2740	29	of	of	IN
12787	2740	30	hydrochloric	hydrochloric	JJ
12787	2740	31	acid	acid	NN
12787	2740	32	,	,	,
12787	2740	33	as	as	IN
12787	2740	34	can	can	MD
12787	2740	35	be	be	VB
12787	2740	36	liberated	liberate	VBN
12787	2740	37	by	by	IN
12787	2740	38	the	the	DT
12787	2740	39	addition	addition	NN
12787	2740	40	of	of	IN
12787	2740	41	35	35	CD
12787	2740	42	cc	cc	NN
12787	2740	43	.	.	.
12787	2741	1	of	of	IN
12787	2741	2	0.5	0.5	CD
12787	2741	3	N	n	NN
12787	2741	4	hydrochloric	hydrochloric	JJ
12787	2741	5	acid	acid	NN
12787	2741	6	to	to	IN
12787	2741	7	an	an	DT
12787	2741	8	excess	excess	NN
12787	2741	9	of	of	IN
12787	2741	10	any	any	DT
12787	2741	11	pure	pure	JJ
12787	2741	12	or	or	CC
12787	2741	13	impure	impure	NN
12787	2741	14	carbonate	carbonate	NN
12787	2741	15	.	.	.
12787	2742	1	Calculate	calculate	VB
12787	2742	2	the	the	DT
12787	2742	3	percentage	percentage	NN
12787	2742	4	of	of	IN
12787	2742	5	CO_{2	CO_{2	NNP
12787	2742	6	}	}	-RRB-
12787	2742	7	in	in	IN
12787	2742	8	the	the	DT
12787	2742	9	dolomite	dolomite	NN
12787	2742	10	.	.	.
12787	2743	1	!	!	.
12787	2743	2	Answer	answer	VB
12787	2743	3	!	!	.
12787	2744	1	:	:	:
12787	2744	2	38.5	38.5	CD
12787	2744	3	%	%	NN
12787	2744	4	.	.	.
12787	2745	1	35	35	CD
12787	2745	2	.	.	.
12787	2746	1	How	how	WRB
12787	2746	2	many	many	JJ
12787	2746	3	cubic	cubic	JJ
12787	2746	4	centimeters	centimeter	NNS
12787	2746	5	of	of	IN
12787	2746	6	sulphuric	sulphuric	JJ
12787	2746	7	acid	acid	NNP
12787	2746	8	(	(	-LRB-
12787	2746	9	sp	sp	NNP
12787	2746	10	.	.	.
12787	2747	1	gr	gr	NNP
12787	2747	2	.	.	.
12787	2748	1	1.84	1.84	CD
12787	2748	2	,	,	,
12787	2748	3	containing	contain	VBG
12787	2748	4	96	96	CD
12787	2748	5	%	%	NN
12787	2748	6	H_{2}SO_{4	H_{2}SO_{4	NNP
12787	2748	7	}	}	-RRB-
12787	2748	8	by	by	IN
12787	2748	9	weight	weight	NN
12787	2748	10	)	)	-RRB-
12787	2748	11	will	will	MD
12787	2748	12	be	be	VB
12787	2748	13	required	require	VBN
12787	2748	14	to	to	TO
12787	2748	15	displace	displace	VB
12787	2748	16	the	the	DT
12787	2748	17	chloride	chloride	NN
12787	2748	18	in	in	IN
12787	2748	19	the	the	DT
12787	2748	20	calcium	calcium	NN
12787	2748	21	chloride	chloride	NN
12787	2748	22	formed	form	VBN
12787	2748	23	by	by	IN
12787	2748	24	the	the	DT
12787	2748	25	action	action	NN
12787	2748	26	of	of	IN
12787	2748	27	100	100	CD
12787	2748	28	cc	cc	NN
12787	2748	29	.	.	.
12787	2749	1	of	of	IN
12787	2749	2	0.1072	0.1072	NNP
12787	2749	3	N	n	CC
12787	2749	4	hydrochloric	hydrochloric	JJ
12787	2749	5	acid	acid	NN
12787	2749	6	on	on	IN
12787	2749	7	an	an	DT
12787	2749	8	excess	excess	NN
12787	2749	9	of	of	IN
12787	2749	10	calcium	calcium	NN
12787	2749	11	carbonate	carbonate	NN
12787	2749	12	,	,	,
12787	2749	13	and	and	CC
12787	2749	14	how	how	WRB
12787	2749	15	many	many	JJ
12787	2749	16	grams	gram	NNS
12787	2749	17	of	of	IN
12787	2749	18	CaSO_{4	CaSO_{4	NNP
12787	2749	19	}	}	-RRB-
12787	2749	20	will	will	MD
12787	2749	21	be	be	VB
12787	2749	22	formed	form	VBN
12787	2749	23	?	?	.
12787	2750	1	!	!	.
12787	2750	2	Answers	answer	NNS
12787	2750	3	!	!	.
12787	2751	1	:	:	:
12787	2751	2	0.298	0.298	CD
12787	2751	3	cc	cc	NNP
12787	2751	4	.	.	.
12787	2752	1	;	;	:
12787	2752	2	0.7300	0.7300	CD
12787	2752	3	gram	gram	NN
12787	2752	4	.	.	.
12787	2753	1	36	36	CD
12787	2753	2	.	.	.
12787	2754	1	Potassium	potassium	NN
12787	2754	2	hydroxide	hydroxide	NN
12787	2754	3	which	which	WDT
12787	2754	4	has	have	VBZ
12787	2754	5	been	be	VBN
12787	2754	6	exposed	expose	VBN
12787	2754	7	to	to	IN
12787	2754	8	the	the	DT
12787	2754	9	air	air	NN
12787	2754	10	is	be	VBZ
12787	2754	11	found	find	VBN
12787	2754	12	on	on	IN
12787	2754	13	analysis	analysis	NN
12787	2754	14	to	to	TO
12787	2754	15	contain	contain	VB
12787	2754	16	7.62	7.62	CD
12787	2754	17	%	%	NN
12787	2754	18	water	water	NN
12787	2754	19	,	,	,
12787	2754	20	2.38	2.38	CD
12787	2754	21	%	%	NN
12787	2754	22	K_{2}CO_{3	K_{2}CO_{3	NNP
12787	2754	23	}	}	-RRB-
12787	2754	24	.	.	.
12787	2755	1	and	and	CC
12787	2755	2	90	90	CD
12787	2755	3	%	%	NN
12787	2755	4	KOH	KOH	NNP
12787	2755	5	.	.	.
12787	2756	1	What	what	WDT
12787	2756	2	weight	weight	NN
12787	2756	3	of	of	IN
12787	2756	4	residue	residue	NN
12787	2756	5	will	will	MD
12787	2756	6	be	be	VB
12787	2756	7	obtained	obtain	VBN
12787	2756	8	if	if	IN
12787	2756	9	one	one	CD
12787	2756	10	gram	gram	NN
12787	2756	11	of	of	IN
12787	2756	12	this	this	DT
12787	2756	13	sample	sample	NN
12787	2756	14	is	be	VBZ
12787	2756	15	added	add	VBN
12787	2756	16	to	to	IN
12787	2756	17	46	46	CD
12787	2756	18	cc	cc	NN
12787	2756	19	.	.	.
12787	2757	1	of	of	IN
12787	2757	2	normal	normal	JJ
12787	2757	3	hydrochloric	hydrochloric	JJ
12787	2757	4	acid	acid	NN
12787	2757	5	and	and	CC
12787	2757	6	the	the	DT
12787	2757	7	resulting	result	VBG
12787	2757	8	solution	solution	NN
12787	2757	9	,	,	,
12787	2757	10	after	after	IN
12787	2757	11	exact	exact	JJ
12787	2757	12	neutralization	neutralization	NN
12787	2757	13	with	with	IN
12787	2757	14	1.070	1.070	CD
12787	2757	15	N	n	NN
12787	2757	16	potassium	potassium	NN
12787	2757	17	hydroxide	hydroxide	NN
12787	2757	18	solution	solution	NN
12787	2757	19	,	,	,
12787	2757	20	is	be	VBZ
12787	2757	21	evaporated	evaporate	VBN
12787	2757	22	to	to	IN
12787	2757	23	dryness	dryness	NN
12787	2757	24	?	?	.
12787	2758	1	!	!	.
12787	2758	2	Answer	answer	VB
12787	2758	3	!	!	.
12787	2759	1	:	:	:
12787	2759	2	3.47	3.47	CD
12787	2759	3	grams	gram	NNS
12787	2759	4	.	.	.
12787	2760	1	37	37	CD
12787	2760	2	.	.	.
12787	2761	1	A	a	DT
12787	2761	2	chemist	chemist	NN
12787	2761	3	received	receive	VBD
12787	2761	4	four	four	CD
12787	2761	5	different	different	JJ
12787	2761	6	solutions	solution	NNS
12787	2761	7	,	,	,
12787	2761	8	with	with	IN
12787	2761	9	the	the	DT
12787	2761	10	statement	statement	NN
12787	2761	11	that	that	IN
12787	2761	12	they	-PRON-	PRP
12787	2761	13	contained	contain	VBD
12787	2761	14	either	either	CC
12787	2761	15	pure	pure	JJ
12787	2761	16	NaOH	naoh	NN
12787	2761	17	;	;	:
12787	2761	18	pure	pure	JJ
12787	2761	19	Na_{2}CO_{3	Na_{2}CO_{3	NNP
12787	2761	20	}	}	-RRB-
12787	2761	21	;	;	:
12787	2761	22	pure	pure	JJ
12787	2761	23	NaHCO_{3	NaHCO_{3	NNS
12787	2761	24	}	}	-RRB-
12787	2761	25	,	,	,
12787	2761	26	or	or	CC
12787	2761	27	mixtures	mixture	NNS
12787	2761	28	of	of	IN
12787	2761	29	these	these	DT
12787	2761	30	substances	substance	NNS
12787	2761	31	.	.	.
12787	2762	1	From	from	IN
12787	2762	2	the	the	DT
12787	2762	3	following	follow	VBG
12787	2762	4	data	datum	NNS
12787	2762	5	identify	identify	VBP
12787	2762	6	them	-PRON-	PRP
12787	2762	7	:	:	:
12787	2762	8	Sample	Sample	NNP
12787	2762	9	I.	I.	NNP
12787	2763	1	On	on	IN
12787	2763	2	adding	add	VBG
12787	2763	3	phenolphthalein	phenolphthalein	NN
12787	2763	4	to	to	IN
12787	2763	5	a	a	DT
12787	2763	6	solution	solution	NN
12787	2763	7	of	of	IN
12787	2763	8	the	the	DT
12787	2763	9	substance	substance	NN
12787	2763	10	,	,	,
12787	2763	11	it	-PRON-	PRP
12787	2763	12	gave	give	VBD
12787	2763	13	no	no	DT
12787	2763	14	color	color	NN
12787	2763	15	to	to	IN
12787	2763	16	the	the	DT
12787	2763	17	solution	solution	NN
12787	2763	18	.	.	.
12787	2764	1	Sample	Sample	NNP
12787	2764	2	II	II	NNP
12787	2764	3	.	.	.
12787	2765	1	On	on	IN
12787	2765	2	titrating	titrate	VBG
12787	2765	3	with	with	IN
12787	2765	4	standard	standard	JJ
12787	2765	5	acid	acid	NN
12787	2765	6	,	,	,
12787	2765	7	it	-PRON-	PRP
12787	2765	8	required	require	VBD
12787	2765	9	15.26	15.26	CD
12787	2765	10	cc	cc	NNP
12787	2765	11	.	.	.
12787	2766	1	for	for	IN
12787	2766	2	a	a	DT
12787	2766	3	change	change	NN
12787	2766	4	in	in	IN
12787	2766	5	color	color	NN
12787	2766	6	,	,	,
12787	2766	7	using	use	VBG
12787	2766	8	phenolphthalein	phenolphthalein	NN
12787	2766	9	,	,	,
12787	2766	10	and	and	CC
12787	2766	11	17.90	17.90	CD
12787	2766	12	cc	cc	NN
12787	2766	13	.	.	.
12787	2767	1	additional	additional	JJ
12787	2767	2	,	,	,
12787	2767	3	using	use	VBG
12787	2767	4	methyl	methyl	NN
12787	2767	5	orange	orange	NN
12787	2767	6	as	as	IN
12787	2767	7	an	an	DT
12787	2767	8	indicator	indicator	NN
12787	2767	9	.	.	.
12787	2768	1	Sample	Sample	NNP
12787	2768	2	III	III	NNP
12787	2768	3	.	.	.
12787	2769	1	The	the	DT
12787	2769	2	sample	sample	NN
12787	2769	3	was	be	VBD
12787	2769	4	titrated	titrated	JJ
12787	2769	5	with	with	IN
12787	2769	6	hydrochloric	hydrochloric	JJ
12787	2769	7	acid	acid	NN
12787	2769	8	until	until	IN
12787	2769	9	the	the	DT
12787	2769	10	pink	pink	NN
12787	2769	11	of	of	IN
12787	2769	12	phenolphthalein	phenolphthalein	NNP
12787	2769	13	disappeared	disappear	VBD
12787	2769	14	,	,	,
12787	2769	15	and	and	CC
12787	2769	16	on	on	IN
12787	2769	17	the	the	DT
12787	2769	18	addition	addition	NN
12787	2769	19	of	of	IN
12787	2769	20	methyl	methyl	NN
12787	2769	21	orange	orange	VBP
12787	2769	22	the	the	DT
12787	2769	23	solution	solution	NN
12787	2769	24	was	be	VBD
12787	2769	25	colored	color	VBN
12787	2769	26	pink	pink	NN
12787	2769	27	.	.	.
12787	2770	1	Sample	Sample	NNP
12787	2770	2	IV	IV	NNP
12787	2770	3	.	.	.
12787	2771	1	On	on	IN
12787	2771	2	titrating	titrate	VBG
12787	2771	3	with	with	IN
12787	2771	4	hydrochloric	hydrochloric	JJ
12787	2771	5	acid	acid	NN
12787	2771	6	,	,	,
12787	2771	7	using	use	VBG
12787	2771	8	phenolphthalein	phenolphthalein	NN
12787	2771	9	,	,	,
12787	2771	10	15.00	15.00	CD
12787	2771	11	cc	cc	NN
12787	2771	12	.	.	.
12787	2772	1	were	be	VBD
12787	2772	2	required	require	VBN
12787	2772	3	.	.	.
12787	2773	1	A	a	DT
12787	2773	2	new	new	JJ
12787	2773	3	sample	sample	NN
12787	2773	4	of	of	IN
12787	2773	5	the	the	DT
12787	2773	6	same	same	JJ
12787	2773	7	weight	weight	NN
12787	2773	8	required	require	VBD
12787	2773	9	exactly	exactly	RB
12787	2773	10	30	30	CD
12787	2773	11	cc	cc	NN
12787	2773	12	.	.	.
12787	2774	1	of	of	IN
12787	2774	2	the	the	DT
12787	2774	3	same	same	JJ
12787	2774	4	acid	acid	NN
12787	2774	5	for	for	IN
12787	2774	6	neutralization	neutralization	NN
12787	2774	7	,	,	,
12787	2774	8	using	use	VBG
12787	2774	9	methyl	methyl	NN
12787	2774	10	orange	orange	NN
12787	2774	11	.	.	.
12787	2775	1	!	!	.
12787	2775	2	Answers	answer	NNS
12787	2775	3	!	!	.
12787	2776	1	:	:	:
12787	2776	2	(	(	-LRB-
12787	2776	3	a	a	DT
12787	2776	4	)	)	-RRB-
12787	2776	5	NaHCO_{3	nahco_{3	CD
12787	2776	6	}	}	-RRB-
12787	2776	7	;	;	:
12787	2776	8	(	(	-LRB-
12787	2776	9	b	b	NN
12787	2776	10	)	)	-RRB-
12787	2776	11	NaHCO_{3}+Na_{2}CO_{3	nahco_{3}+na_{2}co_{3	NN
12787	2776	12	}	}	-RRB-
12787	2776	13	;	;	:
12787	2776	14	(	(	-LRB-
12787	2776	15	c)NaOH	c)naoh	UH
12787	2776	16	;	;	:
12787	2776	17	(	(	-LRB-
12787	2776	18	d	d	LS
12787	2776	19	)	)	-RRB-
12787	2776	20	Na_{2}CO_{3	Na_{2}CO_{3	NNP
12787	2776	21	}	}	-RRB-
12787	2776	22	.	.	.
12787	2777	1	38	38	CD
12787	2777	2	.	.	.
12787	2778	1	In	in	IN
12787	2778	2	the	the	DT
12787	2778	3	analysis	analysis	NN
12787	2778	4	of	of	IN
12787	2778	5	a	a	DT
12787	2778	6	sample	sample	NN
12787	2778	7	of	of	IN
12787	2778	8	KHC_{4}H_{4}O_{6	KHC_{4}H_{4}O_{6	NNP
12787	2778	9	}	}	-RRB-
12787	2778	10	the	the	DT
12787	2778	11	following	follow	VBG
12787	2778	12	data	datum	NNS
12787	2778	13	are	be	VBP
12787	2778	14	obtained	obtain	VBN
12787	2778	15	:	:	:
12787	2778	16	Weight	weight	NN
12787	2778	17	sample	sample	NN
12787	2778	18	=	=	SYM
12787	2778	19	0.4732	0.4732	CD
12787	2778	20	gram	gram	NN
12787	2778	21	.	.	.
12787	2779	1	NaOH	NaOH	NNP
12787	2779	2	solution	solution	NN
12787	2779	3	used	use	VBD
12787	2779	4	=	=	SYM
12787	2779	5	24.97	24.97	CD
12787	2779	6	cc	cc	NN
12787	2779	7	.	.	.
12787	2780	1	3.00	3.00	CD
12787	2780	2	cc	cc	NNP
12787	2780	3	.	.	.
12787	2781	1	NaOH	NaOH	NNP
12787	2781	2	=	=	SYM
12787	2781	3	1	1	CD
12787	2781	4	cc	cc	NN
12787	2781	5	.	.	.
12787	2782	1	of	of	IN
12787	2782	2	H_{3}PO_{4	H_{3}PO_{4	NNP
12787	2782	3	}	}	-RRB-
12787	2782	4	solution	solution	NN
12787	2782	5	of	of	IN
12787	2782	6	which	which	WDT
12787	2782	7	1	1	CD
12787	2782	8	cc	cc	NN
12787	2782	9	.	.	.
12787	2783	1	will	will	MD
12787	2783	2	precipitate	precipitate	VB
12787	2783	3	0.01227	0.01227	CD
12787	2783	4	gram	gram	NN
12787	2783	5	of	of	IN
12787	2783	6	magnesium	magnesium	NN
12787	2783	7	as	as	IN
12787	2783	8	MgNH_{4}PO_{4	MgNH_{4}PO_{4	NNP
12787	2783	9	}	}	-RRB-
12787	2783	10	.	.	.
12787	2784	1	Calculate	calculate	VB
12787	2784	2	the	the	DT
12787	2784	3	percentage	percentage	NN
12787	2784	4	of	of	IN
12787	2784	5	KHC_{4}H_{4}O_{6	khc_{4}h_{4}o_{6	NN
12787	2784	6	}	}	-RRB-
12787	2784	7	.	.	.
12787	2785	1	!	!	.
12787	2785	2	Answer	answer	VB
12787	2785	3	!	!	.
12787	2786	1	:	:	:
12787	2786	2	88.67	88.67	CD
12787	2786	3	%	%	NN
12787	2786	4	.	.	.
12787	2787	1	39	39	CD
12787	2787	2	.	.	.
12787	2788	1	A	a	DT
12787	2788	2	one	one	CD
12787	2788	3	-	-	HYPH
12787	2788	4	gram	gram	NN
12787	2788	5	sample	sample	NN
12787	2788	6	of	of	IN
12787	2788	7	sodium	sodium	NN
12787	2788	8	hydroxide	hydroxide	NN
12787	2788	9	which	which	WDT
12787	2788	10	has	have	VBZ
12787	2788	11	been	be	VBN
12787	2788	12	exposed	expose	VBN
12787	2788	13	to	to	IN
12787	2788	14	the	the	DT
12787	2788	15	air	air	NN
12787	2788	16	for	for	IN
12787	2788	17	some	some	DT
12787	2788	18	time	time	NN
12787	2788	19	,	,	,
12787	2788	20	is	be	VBZ
12787	2788	21	dissolved	dissolve	VBN
12787	2788	22	in	in	IN
12787	2788	23	water	water	NN
12787	2788	24	and	and	CC
12787	2788	25	diluted	dilute	VBN
12787	2788	26	to	to	IN
12787	2788	27	exactly	exactly	RB
12787	2788	28	500	500	CD
12787	2788	29	cc	cc	NN
12787	2788	30	.	.	.
12787	2789	1	One	one	CD
12787	2789	2	hundred	hundred	CD
12787	2789	3	cubic	cubic	JJ
12787	2789	4	centimeters	centimeter	NNS
12787	2789	5	of	of	IN
12787	2789	6	the	the	DT
12787	2789	7	solution	solution	NN
12787	2789	8	,	,	,
12787	2789	9	when	when	WRB
12787	2789	10	titrated	titrate	VBN
12787	2789	11	with	with	IN
12787	2789	12	0.1062	0.1062	CD
12787	2789	13	N	n	CC
12787	2789	14	hydrochloric	hydrochloric	JJ
12787	2789	15	acid	acid	NN
12787	2789	16	,	,	,
12787	2789	17	using	use	VBG
12787	2789	18	methyl	methyl	NN
12787	2789	19	orange	orange	NN
12787	2789	20	as	as	IN
12787	2789	21	an	an	DT
12787	2789	22	indicator	indicator	NN
12787	2789	23	,	,	,
12787	2789	24	requires	require	VBZ
12787	2789	25	38.60	38.60	CD
12787	2789	26	cc	cc	NNP
12787	2789	27	.	.	.
12787	2790	1	for	for	IN
12787	2790	2	complete	complete	JJ
12787	2790	3	neutralization	neutralization	NN
12787	2790	4	.	.	.
12787	2791	1	Barium	barium	NN
12787	2791	2	chloride	chloride	NN
12787	2791	3	in	in	IN
12787	2791	4	excess	excess	NN
12787	2791	5	is	be	VBZ
12787	2791	6	added	add	VBN
12787	2791	7	to	to	IN
12787	2791	8	a	a	DT
12787	2791	9	second	second	JJ
12787	2791	10	portion	portion	NN
12787	2791	11	of	of	IN
12787	2791	12	100	100	CD
12787	2791	13	cc	cc	NN
12787	2791	14	.	.	.
12787	2792	1	of	of	IN
12787	2792	2	the	the	DT
12787	2792	3	solution	solution	NN
12787	2792	4	,	,	,
12787	2792	5	which	which	WDT
12787	2792	6	is	be	VBZ
12787	2792	7	diluted	dilute	VBN
12787	2792	8	to	to	IN
12787	2792	9	exactly	exactly	RB
12787	2792	10	250	250	CD
12787	2792	11	cc	cc	NNP
12787	2792	12	.	.	NNP
12787	2792	13	,	,	,
12787	2792	14	allowed	allow	VBN
12787	2792	15	to	to	TO
12787	2792	16	stand	stand	VB
12787	2792	17	and	and	CC
12787	2792	18	filtered	filter	VBN
12787	2792	19	.	.	.
12787	2793	1	Two	two	CD
12787	2793	2	hundred	hundred	CD
12787	2793	3	cubic	cubic	JJ
12787	2793	4	centimeters	centimeter	NNS
12787	2793	5	of	of	IN
12787	2793	6	this	this	DT
12787	2793	7	filtrate	filtrate	JJ
12787	2793	8	require	require	VBP
12787	2793	9	29.62	29.62	CD
12787	2793	10	cc	cc	NN
12787	2793	11	.	.	.
12787	2794	1	of	of	IN
12787	2794	2	0.1062	0.1062	CD
12787	2794	3	N	n	CC
12787	2794	4	hydrochloric	hydrochloric	JJ
12787	2794	5	acid	acid	NN
12787	2794	6	for	for	IN
12787	2794	7	neutralization	neutralization	NN
12787	2794	8	,	,	,
12787	2794	9	using	use	VBG
12787	2794	10	phenolphthalein	phenolphthalein	NN
12787	2794	11	as	as	IN
12787	2794	12	an	an	DT
12787	2794	13	indicator	indicator	NN
12787	2794	14	.	.	.
12787	2795	1	Calculate	calculate	NN
12787	2795	2	percentage	percentage	NN
12787	2795	3	of	of	IN
12787	2795	4	NaOH	NaOH	NNP
12787	2795	5	,	,	,
12787	2795	6	Na_{2}CO_{3	Na_{2}CO_{3	NNP
12787	2795	7	}	}	-RRB-
12787	2795	8	,	,	,
12787	2795	9	and	and	CC
12787	2795	10	H_{2}O.	H_{2}O.	NNP
12787	2796	1	!	!	.
12787	2796	2	Answers	answer	NNS
12787	2796	3	!	!	.
12787	2797	1	:	:	:
12787	2797	2	78.63	78.63	CD
12787	2797	3	%	%	NN
12787	2797	4	NaOH	NaOH	NNP
12787	2797	5	;	;	:
12787	2797	6	4.45	4.45	CD
12787	2797	7	%	%	NN
12787	2797	8	Na_{2}CO_{3	Na_{2}CO_{3	NNP
12787	2797	9	}	}	-RRB-
12787	2797	10	;	;	:
12787	2797	11	16.92	16.92	CD
12787	2797	12	%	%	NN
12787	2797	13	H_{2}O.	H_{2}O.	NNP
12787	2798	1	40	40	CD
12787	2798	2	.	.	.
12787	2799	1	A	a	DT
12787	2799	2	sodium	sodium	NN
12787	2799	3	hydroxide	hydroxide	NN
12787	2799	4	solution	solution	NN
12787	2799	5	(	(	-LRB-
12787	2799	6	made	make	VBN
12787	2799	7	from	from	IN
12787	2799	8	solid	solid	JJ
12787	2799	9	NaOH	NaOH	NNP
12787	2799	10	which	which	WDT
12787	2799	11	has	have	VBZ
12787	2799	12	been	be	VBN
12787	2799	13	exposed	expose	VBN
12787	2799	14	to	to	IN
12787	2799	15	the	the	DT
12787	2799	16	air	air	NN
12787	2799	17	)	)	-RRB-
12787	2799	18	was	be	VBD
12787	2799	19	titrated	titrate	VBN
12787	2799	20	against	against	IN
12787	2799	21	a	a	DT
12787	2799	22	standard	standard	JJ
12787	2799	23	acid	acid	NN
12787	2799	24	using	use	VBG
12787	2799	25	methyl	methyl	NN
12787	2799	26	orange	orange	NNP
12787	2799	27	as	as	IN
12787	2799	28	an	an	DT
12787	2799	29	indicator	indicator	NN
12787	2799	30	,	,	,
12787	2799	31	and	and	CC
12787	2799	32	was	be	VBD
12787	2799	33	found	find	VBN
12787	2799	34	to	to	TO
12787	2799	35	be	be	VB
12787	2799	36	exactly	exactly	RB
12787	2799	37	0.1	0.1	CD
12787	2799	38	N.	n.	NN
12787	2799	39	This	this	DT
12787	2799	40	solution	solution	NN
12787	2799	41	was	be	VBD
12787	2799	42	used	use	VBN
12787	2799	43	in	in	IN
12787	2799	44	the	the	DT
12787	2799	45	analysis	analysis	NN
12787	2799	46	of	of	IN
12787	2799	47	a	a	DT
12787	2799	48	material	material	NN
12787	2799	49	sold	sell	VBN
12787	2799	50	at	at	IN
12787	2799	51	2	2	CD
12787	2799	52	cents	cent	NNS
12787	2799	53	per	per	IN
12787	2799	54	pound	pound	NN
12787	2799	55	per	per	IN
12787	2799	56	cent	cent	NN
12787	2799	57	of	of	IN
12787	2799	58	an	an	DT
12787	2799	59	acid	acid	JJ
12787	2799	60	constituent	constituent	NN
12787	2799	61	A	A	NNP
12787	2799	62	,	,	,
12787	2799	63	and	and	CC
12787	2799	64	always	always	RB
12787	2799	65	mixed	mixed	JJ
12787	2799	66	so	so	IN
12787	2799	67	that	that	IN
12787	2799	68	it	-PRON-	PRP
12787	2799	69	was	be	VBD
12787	2799	70	supposed	suppose	VBN
12787	2799	71	to	to	TO
12787	2799	72	contain	contain	VB
12787	2799	73	15	15	CD
12787	2799	74	%	%	NN
12787	2799	75	of	of	IN
12787	2799	76	A	A	NNP
12787	2799	77	,	,	,
12787	2799	78	on	on	IN
12787	2799	79	the	the	DT
12787	2799	80	basis	basis	NN
12787	2799	81	of	of	IN
12787	2799	82	the	the	DT
12787	2799	83	analyst	analyst	NN
12787	2799	84	's	's	POS
12787	2799	85	report	report	NN
12787	2799	86	.	.	.
12787	2800	1	Owing	owe	VBG
12787	2800	2	to	to	IN
12787	2800	3	the	the	DT
12787	2800	4	carelessness	carelessness	NN
12787	2800	5	of	of	IN
12787	2800	6	the	the	DT
12787	2800	7	analyst	analyst	NN
12787	2800	8	's	's	POS
12787	2800	9	assistant	assistant	NN
12787	2800	10	,	,	,
12787	2800	11	the	the	DT
12787	2800	12	sodium	sodium	NN
12787	2800	13	hydroxide	hydroxide	NN
12787	2800	14	solution	solution	NN
12787	2800	15	was	be	VBD
12787	2800	16	used	use	VBN
12787	2800	17	with	with	IN
12787	2800	18	phenolphthalein	phenolphthalein	NN
12787	2800	19	as	as	IN
12787	2800	20	an	an	DT
12787	2800	21	indicator	indicator	NN
12787	2800	22	in	in	IN
12787	2800	23	cold	cold	JJ
12787	2800	24	solution	solution	NN
12787	2800	25	in	in	IN
12787	2800	26	making	make	VBG
12787	2800	27	the	the	DT
12787	2800	28	analyses	analysis	NNS
12787	2800	29	.	.	.
12787	2801	1	The	the	DT
12787	2801	2	concern	concern	NN
12787	2801	3	manufacturing	manufacture	VBG
12787	2801	4	this	this	DT
12787	2801	5	material	material	NN
12787	2801	6	sells	sell	VBZ
12787	2801	7	600	600	CD
12787	2801	8	tons	ton	NNS
12787	2801	9	per	per	IN
12787	2801	10	year	year	NN
12787	2801	11	,	,	,
12787	2801	12	and	and	CC
12787	2801	13	when	when	WRB
12787	2801	14	the	the	DT
12787	2801	15	mistake	mistake	NN
12787	2801	16	was	be	VBD
12787	2801	17	discovered	discover	VBN
12787	2801	18	it	-PRON-	PRP
12787	2801	19	was	be	VBD
12787	2801	20	estimated	estimate	VBN
12787	2801	21	that	that	IN
12787	2801	22	at	at	IN
12787	2801	23	the	the	DT
12787	2801	24	end	end	NN
12787	2801	25	of	of	IN
12787	2801	26	a	a	DT
12787	2801	27	year	year	NN
12787	2801	28	the	the	DT
12787	2801	29	error	error	NN
12787	2801	30	in	in	IN
12787	2801	31	the	the	DT
12787	2801	32	use	use	NN
12787	2801	33	of	of	IN
12787	2801	34	indicators	indicator	NNS
12787	2801	35	would	would	MD
12787	2801	36	either	either	CC
12787	2801	37	cost	cost	VB
12787	2801	38	them	-PRON-	PRP
12787	2801	39	or	or	CC
12787	2801	40	their	-PRON-	PRP$
12787	2801	41	customers	customer	NNS
12787	2801	42	$	$	$
12787	2801	43	6000	6000	CD
12787	2801	44	.	.	.
12787	2802	1	Who	who	WP
12787	2802	2	would	would	MD
12787	2802	3	lose	lose	VB
12787	2802	4	and	and	CC
12787	2802	5	why	why	WRB
12787	2802	6	?	?	.
12787	2803	1	Assuming	assume	VBG
12787	2803	2	the	the	DT
12787	2803	3	impure	impure	NN
12787	2803	4	NaOH	naoh	NN
12787	2803	5	used	use	VBD
12787	2803	6	originally	originally	RB
12787	2803	7	in	in	IN
12787	2803	8	making	make	VBG
12787	2803	9	the	the	DT
12787	2803	10	titrating	titrating	NN
12787	2803	11	solution	solution	NN
12787	2803	12	consisted	consist	VBN
12787	2803	13	of	of	IN
12787	2803	14	NaOH	NaOH	NNP
12787	2803	15	and	and	CC
12787	2803	16	Na_{2}CO_{3	Na_{2}CO_{3	NNP
12787	2803	17	}	}	-RRB-
12787	2803	18	only	only	RB
12787	2803	19	,	,	,
12787	2803	20	what	what	WP
12787	2803	21	per	per	IN
12787	2803	22	cent	cent	NN
12787	2803	23	of	of	IN
12787	2803	24	each	each	DT
12787	2803	25	was	be	VBD
12787	2803	26	present	present	JJ
12787	2803	27	?	?	.
12787	2804	1	!	!	.
12787	2804	2	Answers	answer	NNS
12787	2804	3	!	!	.
12787	2805	1	:	:	:
12787	2805	2	Customer	customer	NN
12787	2805	3	lost	lose	VBD
12787	2805	4	;	;	:
12787	2805	5	3.94	3.94	CD
12787	2805	6	%	%	NN
12787	2805	7	Na_{2}CO_{3	Na_{2}CO_{3	NNP
12787	2805	8	}	}	-RRB-
12787	2805	9	;	;	:
12787	2805	10	96.06	96.06	CD
12787	2805	11	%	%	NN
12787	2805	12	NaOH	NaOH	NNP
12787	2805	13	.	.	.
12787	2806	1	41	41	CD
12787	2806	2	.	.	.
12787	2807	1	In	in	IN
12787	2807	2	the	the	DT
12787	2807	3	standardization	standardization	NN
12787	2807	4	of	of	IN
12787	2807	5	a	a	DT
12787	2807	6	K_{2}Cr_{2}O_{7	k_{2}cr_{2}o_{7	JJ
12787	2807	7	}	}	-RRB-
12787	2807	8	solution	solution	NN
12787	2807	9	against	against	IN
12787	2807	10	iron	iron	NN
12787	2807	11	wire	wire	NN
12787	2807	12	,	,	,
12787	2807	13	99.85	99.85	CD
12787	2807	14	%	%	NN
12787	2807	15	pure	pure	JJ
12787	2807	16	,	,	,
12787	2807	17	42.42	42.42	CD
12787	2807	18	cc	cc	NNP
12787	2807	19	.	.	.
12787	2808	1	of	of	IN
12787	2808	2	the	the	DT
12787	2808	3	solution	solution	NN
12787	2808	4	were	be	VBD
12787	2808	5	added	add	VBN
12787	2808	6	.	.	.
12787	2809	1	The	the	DT
12787	2809	2	weight	weight	NN
12787	2809	3	of	of	IN
12787	2809	4	the	the	DT
12787	2809	5	wire	wire	NN
12787	2809	6	used	use	VBN
12787	2809	7	was	be	VBD
12787	2809	8	0.22	0.22	CD
12787	2809	9	gram	gram	NN
12787	2809	10	.	.	.
12787	2810	1	3.27	3.27	CD
12787	2810	2	cc	cc	NNP
12787	2810	3	.	.	.
12787	2811	1	of	of	IN
12787	2811	2	a	a	DT
12787	2811	3	ferrous	ferrous	JJ
12787	2811	4	sulphate	sulphate	NN
12787	2811	5	solution	solution	NN
12787	2811	6	having	have	VBG
12787	2811	7	a	a	DT
12787	2811	8	normal	normal	JJ
12787	2811	9	value	value	NN
12787	2811	10	as	as	IN
12787	2811	11	a	a	DT
12787	2811	12	reducing	reduce	VBG
12787	2811	13	agent	agent	NN
12787	2811	14	of	of	IN
12787	2811	15	0.1011	0.1011	CD
12787	2811	16	were	be	VBD
12787	2811	17	added	add	VBN
12787	2811	18	to	to	TO
12787	2811	19	complete	complete	VB
12787	2811	20	the	the	DT
12787	2811	21	titration	titration	NN
12787	2811	22	.	.	.
12787	2812	1	Calculate	calculate	VB
12787	2812	2	the	the	DT
12787	2812	3	normal	normal	JJ
12787	2812	4	value	value	NN
12787	2812	5	of	of	IN
12787	2812	6	the	the	DT
12787	2812	7	K_{2}Cr_{2}O_{7	k_{2}cr_{2}o_{7	NN
12787	2812	8	}	}	-RRB-
12787	2812	9	.	.	.
12787	2813	1	!	!	.
12787	2813	2	Answer	answer	VB
12787	2813	3	!	!	.
12787	2814	1	:	:	:
12787	2814	2	0.1006	0.1006	CD
12787	2814	3	N.	N.	NNP
12787	2814	4	42	42	CD
12787	2814	5	.	.	.
12787	2815	1	What	what	WDT
12787	2815	2	weight	weight	NN
12787	2815	3	of	of	IN
12787	2815	4	iron	iron	NN
12787	2815	5	ore	ore	NN
12787	2815	6	containing	contain	VBG
12787	2815	7	56.2	56.2	CD
12787	2815	8	%	%	NN
12787	2815	9	Fe	Fe	NNP
12787	2815	10	should	should	MD
12787	2815	11	be	be	VB
12787	2815	12	taken	take	VBN
12787	2815	13	to	to	TO
12787	2815	14	standardize	standardize	VB
12787	2815	15	an	an	DT
12787	2815	16	approximately	approximately	RB
12787	2815	17	0.1	0.1	CD
12787	2815	18	N	n	NN
12787	2815	19	oxidizing	oxidizing	JJ
12787	2815	20	solution	solution	NN
12787	2815	21	,	,	,
12787	2815	22	if	if	IN
12787	2815	23	not	not	RB
12787	2815	24	more	more	JJR
12787	2815	25	than	than	IN
12787	2815	26	47	47	CD
12787	2815	27	cc	cc	NN
12787	2815	28	.	.	.
12787	2816	1	are	be	VBP
12787	2816	2	to	to	TO
12787	2816	3	be	be	VB
12787	2816	4	used	use	VBN
12787	2816	5	?	?	.
12787	2817	1	!	!	.
12787	2817	2	Answer	answer	VB
12787	2817	3	!	!	.
12787	2818	1	:	:	:
12787	2818	2	0.4667	0.4667	CD
12787	2818	3	gram	gram	NN
12787	2818	4	.	.	.
12787	2819	1	43	43	CD
12787	2819	2	.	.	.
12787	2820	1	One	one	CD
12787	2820	2	tenth	tenth	JJ
12787	2820	3	gram	gram	NN
12787	2820	4	of	of	IN
12787	2820	5	iron	iron	NN
12787	2820	6	wire	wire	NN
12787	2820	7	,	,	,
12787	2820	8	99.78	99.78	CD
12787	2820	9	%	%	NN
12787	2820	10	pure	pure	JJ
12787	2820	11	,	,	,
12787	2820	12	is	be	VBZ
12787	2820	13	dissolved	dissolve	VBN
12787	2820	14	in	in	IN
12787	2820	15	hydrochloric	hydrochloric	JJ
12787	2820	16	acid	acid	NN
12787	2820	17	and	and	CC
12787	2820	18	the	the	DT
12787	2820	19	iron	iron	NN
12787	2820	20	oxidized	oxidize	VBD
12787	2820	21	completely	completely	RB
12787	2820	22	with	with	IN
12787	2820	23	bromine	bromine	NN
12787	2820	24	water	water	NN
12787	2820	25	.	.	.
12787	2821	1	How	how	WRB
12787	2821	2	many	many	JJ
12787	2821	3	grams	gram	NNS
12787	2821	4	of	of	IN
12787	2821	5	stannous	stannous	JJ
12787	2821	6	chloride	chloride	NN
12787	2821	7	are	be	VBP
12787	2821	8	there	there	RB
12787	2821	9	in	in	IN
12787	2821	10	a	a	DT
12787	2821	11	liter	liter	NN
12787	2821	12	of	of	IN
12787	2821	13	solution	solution	NN
12787	2821	14	if	if	IN
12787	2821	15	it	-PRON-	PRP
12787	2821	16	requires	require	VBZ
12787	2821	17	9.47	9.47	CD
12787	2821	18	cc	cc	NN
12787	2821	19	.	.	.
12787	2822	1	to	to	TO
12787	2822	2	just	just	RB
12787	2822	3	reduce	reduce	VB
12787	2822	4	the	the	DT
12787	2822	5	iron	iron	NN
12787	2822	6	in	in	IN
12787	2822	7	the	the	DT
12787	2822	8	above	above	JJ
12787	2822	9	?	?	.
12787	2823	1	What	what	WP
12787	2823	2	is	be	VBZ
12787	2823	3	the	the	DT
12787	2823	4	normal	normal	JJ
12787	2823	5	value	value	NN
12787	2823	6	of	of	IN
12787	2823	7	the	the	DT
12787	2823	8	stannous	stannous	JJ
12787	2823	9	chloride	chloride	NN
12787	2823	10	solution	solution	NN
12787	2823	11	as	as	IN
12787	2823	12	a	a	DT
12787	2823	13	reducing	reduce	VBG
12787	2823	14	agent	agent	NN
12787	2823	15	?	?	.
12787	2824	1	!	!	.
12787	2824	2	Answer	answer	VB
12787	2824	3	!	!	.
12787	2825	1	:	:	:
12787	2825	2	17.92	17.92	CD
12787	2825	3	grams	gram	NNS
12787	2825	4	;	;	:
12787	2825	5	0.1888	0.1888	CD
12787	2825	6	N.	N.	NNP
12787	2825	7	44	44	CD
12787	2825	8	.	.	.
12787	2826	1	One	one	CD
12787	2826	2	gram	gram	NN
12787	2826	3	of	of	IN
12787	2826	4	an	an	DT
12787	2826	5	oxide	oxide	NN
12787	2826	6	of	of	IN
12787	2826	7	iron	iron	NN
12787	2826	8	is	be	VBZ
12787	2826	9	fused	fuse	VBN
12787	2826	10	with	with	IN
12787	2826	11	potassium	potassium	NN
12787	2826	12	acid	acid	NN
12787	2826	13	sulphate	sulphate	NN
12787	2826	14	and	and	CC
12787	2826	15	the	the	DT
12787	2826	16	fusion	fusion	NN
12787	2826	17	dissolved	dissolve	VBN
12787	2826	18	in	in	IN
12787	2826	19	acid	acid	NN
12787	2826	20	.	.	.
12787	2827	1	The	the	DT
12787	2827	2	iron	iron	NN
12787	2827	3	is	be	VBZ
12787	2827	4	reduced	reduce	VBN
12787	2827	5	with	with	IN
12787	2827	6	stannous	stannous	JJ
12787	2827	7	chloride	chloride	NN
12787	2827	8	,	,	,
12787	2827	9	mercuric	mercuric	NN
12787	2827	10	chloride	chloride	NN
12787	2827	11	is	be	VBZ
12787	2827	12	added	add	VBN
12787	2827	13	,	,	,
12787	2827	14	and	and	CC
12787	2827	15	the	the	DT
12787	2827	16	iron	iron	NN
12787	2827	17	titrated	titrate	VBN
12787	2827	18	with	with	IN
12787	2827	19	a	a	DT
12787	2827	20	normal	normal	JJ
12787	2827	21	K_{2}Cr_{2}O_{7	k_{2}cr_{2}o_{7	NN
12787	2827	22	}	}	-RRB-
12787	2827	23	solution	solution	NN
12787	2827	24	.	.	.
12787	2828	1	12.94	12.94	CD
12787	2828	2	cc	cc	NNP
12787	2828	3	.	.	.
12787	2829	1	were	be	VBD
12787	2829	2	used	use	VBN
12787	2829	3	.	.	.
12787	2830	1	What	what	WP
12787	2830	2	is	be	VBZ
12787	2830	3	the	the	DT
12787	2830	4	formula	formula	NN
12787	2830	5	of	of	IN
12787	2830	6	the	the	DT
12787	2830	7	oxide	oxide	NN
12787	2830	8	,	,	,
12787	2830	9	FeO	feo	NN
12787	2830	10	,	,	,
12787	2830	11	Fe_{2}O_{3	fe_{2}o_{3	CD
12787	2830	12	}	}	-RRB-
12787	2830	13	,	,	,
12787	2830	14	or	or	CC
12787	2830	15	Fe_{3}O_{4	fe_{3}o_{4	CD
12787	2830	16	}	}	-RRB-
12787	2830	17	?	?	.
12787	2831	1	!	!	.
12787	2831	2	Answer	answer	VB
12787	2831	3	!	!	.
12787	2832	1	:	:	:
12787	2832	2	Fe_{3}O_{4	fe_{3}o_{4	CD
12787	2832	3	}	}	-RRB-
12787	2832	4	.	.	.
12787	2833	1	45	45	CD
12787	2833	2	.	.	.
12787	2834	1	If	if	IN
12787	2834	2	an	an	DT
12787	2834	3	element	element	NN
12787	2834	4	has	have	VBZ
12787	2834	5	98	98	CD
12787	2834	6	for	for	IN
12787	2834	7	its	-PRON-	PRP$
12787	2834	8	atomic	atomic	JJ
12787	2834	9	weight	weight	NN
12787	2834	10	,	,	,
12787	2834	11	and	and	CC
12787	2834	12	after	after	IN
12787	2834	13	reduction	reduction	NN
12787	2834	14	with	with	IN
12787	2834	15	stannous	stannous	JJ
12787	2834	16	chloride	chloride	NN
12787	2834	17	could	could	MD
12787	2834	18	be	be	VB
12787	2834	19	oxidized	oxidize	VBN
12787	2834	20	by	by	IN
12787	2834	21	bichromate	bichromate	NN
12787	2834	22	to	to	IN
12787	2834	23	a	a	DT
12787	2834	24	state	state	NN
12787	2834	25	corresponding	correspond	VBG
12787	2834	26	to	to	IN
12787	2834	27	an	an	DT
12787	2834	28	XO_{4}^{-	XO_{4}^{-	NNP
12787	2834	29	}	}	-RRB-
12787	2834	30	anion	anion	NN
12787	2834	31	,	,	,
12787	2834	32	compute	compute	VB
12787	2834	33	the	the	DT
12787	2834	34	oxide	oxide	NN
12787	2834	35	,	,	,
12787	2834	36	or	or	CC
12787	2834	37	valence	valence	NN
12787	2834	38	,	,	,
12787	2834	39	corresponding	correspond	VBG
12787	2834	40	to	to	IN
12787	2834	41	the	the	DT
12787	2834	42	reduced	reduced	JJ
12787	2834	43	state	state	NN
12787	2834	44	from	from	IN
12787	2834	45	the	the	DT
12787	2834	46	following	following	JJ
12787	2834	47	data	data	NN
12787	2834	48	:	:	:
12787	2834	49	0.3266	0.3266	CD
12787	2834	50	gram	gram	NN
12787	2834	51	of	of	IN
12787	2834	52	the	the	DT
12787	2834	53	pure	pure	JJ
12787	2834	54	element	element	NN
12787	2834	55	,	,	,
12787	2834	56	after	after	IN
12787	2834	57	being	be	VBG
12787	2834	58	dissolved	dissolve	VBN
12787	2834	59	,	,	,
12787	2834	60	was	be	VBD
12787	2834	61	reduced	reduce	VBN
12787	2834	62	with	with	IN
12787	2834	63	stannous	stannous	JJ
12787	2834	64	chloride	chloride	NN
12787	2834	65	and	and	CC
12787	2834	66	oxidized	oxidize	VBN
12787	2834	67	by	by	IN
12787	2834	68	40	40	CD
12787	2834	69	cc	cc	NN
12787	2834	70	.	.	.
12787	2835	1	of	of	IN
12787	2835	2	K_{2}Cr_{2}O_{7	K_{2}Cr_{2}O_{7	NNP
12787	2835	3	}	}	-RRB-
12787	2835	4	,	,	,
12787	2835	5	of	of	IN
12787	2835	6	which	which	WDT
12787	2835	7	one	one	CD
12787	2835	8	cc	cc	NN
12787	2835	9	.	.	.
12787	2836	1	=	=	NFP
12787	2836	2	0.1960	0.1960	CD
12787	2836	3	gram	gram	NN
12787	2836	4	of	of	IN
12787	2836	5	FeSO_{4}(NH_{4})_{2}SO_{4}.6H_{2}O.	FeSO_{4}(NH_{4})_{2}SO_{4}.6H_{2}O.	NNP
12787	2837	1	!	!	.
12787	2837	2	Answer	answer	VB
12787	2837	3	!	!	.
12787	2838	1	:	:	:
12787	2838	2	Monovalent	monovalent	NN
12787	2838	3	.	.	.
12787	2839	1	46	46	CD
12787	2839	2	.	.	.
12787	2840	1	Determine	determine	VB
12787	2840	2	the	the	DT
12787	2840	3	percentage	percentage	NN
12787	2840	4	of	of	IN
12787	2840	5	iron	iron	NN
12787	2840	6	in	in	IN
12787	2840	7	a	a	DT
12787	2840	8	sample	sample	NN
12787	2840	9	of	of	IN
12787	2840	10	limonite	limonite	NN
12787	2840	11	from	from	IN
12787	2840	12	the	the	DT
12787	2840	13	following	follow	VBG
12787	2840	14	data	datum	NNS
12787	2840	15	:	:	:
12787	2840	16	Sample	sample	NN
12787	2840	17	=	=	SYM
12787	2840	18	0.5000	0.5000	CD
12787	2840	19	gram	gram	NN
12787	2840	20	.	.	.
12787	2841	1	KMnO_{4	KMnO_{4	NNP
12787	2841	2	}	}	-RRB-
12787	2841	3	used	use	VBN
12787	2841	4	=	=	SYM
12787	2841	5	50	50	CD
12787	2841	6	cc	cc	NN
12787	2841	7	.	.	.
12787	2842	1	1	1	CD
12787	2842	2	cc	cc	NNP
12787	2842	3	.	.	.
12787	2843	1	KMnO_{4	KMnO_{4	NNP
12787	2843	2	}	}	-RRB-
12787	2843	3	=	=	SYM
12787	2843	4	0.005317	0.005317	CD
12787	2843	5	gram	gram	NN
12787	2843	6	Fe	Fe	NNP
12787	2843	7	.	.	.
12787	2844	1	FeSO_{4	feso_{4	LS
12787	2844	2	}	}	-RRB-
12787	2844	3	used	use	VBN
12787	2844	4	=	=	SYM
12787	2844	5	6	6	CD
12787	2844	6	cc	cc	NN
12787	2844	7	.	.	.
12787	2845	1	1	1	CD
12787	2845	2	cc	cc	NNP
12787	2845	3	.	.	.
12787	2846	1	FeSO_{4	feso_{4	UH
12787	2846	2	}	}	-RRB-
12787	2846	3	=	=	NNS
12787	2846	4	0.009200	0.009200	CD
12787	2846	5	gram	gram	NN
12787	2846	6	FeO.	FeO.	NNP
12787	2847	1	!	!	.
12787	2847	2	Answer	answer	VB
12787	2847	3	!	!	.
12787	2848	1	:	:	:
12787	2848	2	44.60	44.60	CD
12787	2848	3	%	%	NN
12787	2848	4	.	.	.
12787	2849	1	47	47	CD
12787	2849	2	.	.	.
12787	2850	1	If	if	IN
12787	2850	2	1	1	CD
12787	2850	3	gram	gram	NN
12787	2850	4	of	of	IN
12787	2850	5	a	a	DT
12787	2850	6	silicate	silicate	NN
12787	2850	7	yields	yield	NNS
12787	2850	8	0.5000	0.5000	CD
12787	2850	9	gram	gram	NN
12787	2850	10	of	of	IN
12787	2850	11	Fe_{2}O_{3	Fe_{2}O_{3	NNP
12787	2850	12	}	}	-RRB-
12787	2850	13	and	and	CC
12787	2850	14	Al_{2}O_{3	Al_{2}O_{3	NNP
12787	2850	15	}	}	-RRB-
12787	2850	16	and	and	CC
12787	2850	17	the	the	DT
12787	2850	18	iron	iron	NN
12787	2850	19	present	present	NN
12787	2850	20	requires	require	VBZ
12787	2850	21	25	25	CD
12787	2850	22	cc	cc	NN
12787	2850	23	.	.	.
12787	2851	1	of	of	IN
12787	2851	2	0.2	0.2	CD
12787	2851	3	N	N	NNP
12787	2851	4	KMnO_{4	KMnO_{4	NNP
12787	2851	5	}	}	-RRB-
12787	2851	6	,	,	,
12787	2851	7	calculate	calculate	VB
12787	2851	8	the	the	DT
12787	2851	9	percentage	percentage	NN
12787	2851	10	of	of	IN
12787	2851	11	FeO	FeO	NNP
12787	2851	12	and	and	CC
12787	2851	13	Al_{2}O_{3	Al_{2}O_{3	NNP
12787	2851	14	}	}	-RRB-
12787	2851	15	in	in	IN
12787	2851	16	the	the	DT
12787	2851	17	sample	sample	NN
12787	2851	18	.	.	.
12787	2852	1	!	!	.
12787	2852	2	Answer	answer	VB
12787	2852	3	!	!	.
12787	2853	1	:	:	:
12787	2853	2	35.89	35.89	CD
12787	2853	3	%	%	NN
12787	2853	4	FeO	feo	NN
12787	2853	5	;	;	:
12787	2853	6	10.03	10.03	CD
12787	2853	7	%	%	NN
12787	2853	8	Al_{2}O_{3	al_{2}o_{3	CD
12787	2853	9	}	}	-RRB-
12787	2853	10	.	.	.
12787	2854	1	48	48	CD
12787	2854	2	.	.	.
12787	2855	1	A	a	DT
12787	2855	2	sample	sample	NN
12787	2855	3	of	of	IN
12787	2855	4	magnesia	magnesia	NNP
12787	2855	5	limestone	limestone	NNP
12787	2855	6	has	have	VBZ
12787	2855	7	the	the	DT
12787	2855	8	following	following	JJ
12787	2855	9	composition	composition	NN
12787	2855	10	:	:	:
12787	2855	11	Silica	Silica	NNP
12787	2855	12	,	,	,
12787	2855	13	3.00	3.00	CD
12787	2855	14	%	%	NN
12787	2855	15	;	;	,
12787	2855	16	ferric	ferric	JJ
12787	2855	17	oxide	oxide	NN
12787	2855	18	and	and	CC
12787	2855	19	alumina	alumina	NNP
12787	2855	20	,	,	,
12787	2855	21	0.20	0.20	CD
12787	2855	22	%	%	NN
12787	2855	23	;	;	,
12787	2855	24	calcium	calcium	NN
12787	2855	25	oxide	oxide	NN
12787	2855	26	,	,	,
12787	2855	27	33.10	33.10	CD
12787	2855	28	%	%	NN
12787	2855	29	;	;	,
12787	2855	30	magnesium	magnesium	NN
12787	2855	31	oxide	oxide	NN
12787	2855	32	,	,	,
12787	2855	33	20.70	20.70	CD
12787	2855	34	%	%	NN
12787	2855	35	;	;	,
12787	2855	36	carbon	carbon	NN
12787	2855	37	dioxide	dioxide	NN
12787	2855	38	,	,	,
12787	2855	39	43.00	43.00	CD
12787	2855	40	%	%	NN
12787	2855	41	.	.	.
12787	2856	1	In	in	IN
12787	2856	2	manufacturing	manufacture	VBG
12787	2856	3	lime	lime	RB
12787	2856	4	from	from	IN
12787	2856	5	the	the	DT
12787	2856	6	above	above	IN
12787	2856	7	the	the	DT
12787	2856	8	carbon	carbon	NN
12787	2856	9	dioxide	dioxide	NN
12787	2856	10	is	be	VBZ
12787	2856	11	reduced	reduce	VBN
12787	2856	12	to	to	IN
12787	2856	13	3.00	3.00	CD
12787	2856	14	%	%	NN
12787	2856	15	.	.	.
12787	2857	1	How	how	WRB
12787	2857	2	many	many	JJ
12787	2857	3	cubic	cubic	JJ
12787	2857	4	centimeters	centimeter	NNS
12787	2857	5	of	of	IN
12787	2857	6	normal	normal	JJ
12787	2857	7	KMnO_{4	kmno_{4	NN
12787	2857	8	}	}	-RRB-
12787	2857	9	will	will	MD
12787	2857	10	be	be	VB
12787	2857	11	required	require	VBN
12787	2857	12	to	to	TO
12787	2857	13	determine	determine	VB
12787	2857	14	the	the	DT
12787	2857	15	calcium	calcium	NN
12787	2857	16	oxide	oxide	NN
12787	2857	17	volumetrically	volumetrically	RB
12787	2857	18	in	in	IN
12787	2857	19	a	a	DT
12787	2857	20	1	1	CD
12787	2857	21	gram	gram	NN
12787	2857	22	sample	sample	NN
12787	2857	23	of	of	IN
12787	2857	24	the	the	DT
12787	2857	25	lime	lime	NN
12787	2857	26	?	?	.
12787	2858	1	!	!	.
12787	2858	2	Answer	answer	VB
12787	2858	3	!	!	.
12787	2859	1	:	:	:
12787	2859	2	20.08	20.08	CD
12787	2859	3	cc	cc	NNP
12787	2859	4	.	.	.
12787	2860	1	49	49	CD
12787	2860	2	.	.	.
12787	2861	1	If	if	IN
12787	2861	2	100	100	CD
12787	2861	3	cc	cc	NN
12787	2861	4	.	.	.
12787	2862	1	of	of	IN
12787	2862	2	potassium	potassium	NNP
12787	2862	3	bichromate	bichromate	NN
12787	2862	4	solution	solution	NN
12787	2862	5	(	(	-LRB-
12787	2862	6	10	10	CD
12787	2862	7	gram	gram	NN
12787	2862	8	K_{2}Cr_{2}O_{7	k_{2}cr_{2}o_{7	NN
12787	2862	9	}	}	-RRB-
12787	2862	10	per	per	IN
12787	2862	11	liter	liter	NN
12787	2862	12	)	)	-RRB-
12787	2862	13	,	,	,
12787	2862	14	5	5	CD
12787	2862	15	cc	cc	NN
12787	2862	16	.	.	.
12787	2863	1	of	of	IN
12787	2863	2	6	6	CD
12787	2863	3	N	n	CD
12787	2863	4	sulphuric	sulphuric	JJ
12787	2863	5	acid	acid	NN
12787	2863	6	,	,	,
12787	2863	7	and	and	CC
12787	2863	8	75	75	CD
12787	2863	9	cc	cc	NN
12787	2863	10	.	.	.
12787	2864	1	of	of	IN
12787	2864	2	ferrous	ferrous	JJ
12787	2864	3	sulphate	sulphate	NN
12787	2864	4	solution	solution	NN
12787	2864	5	(	(	-LRB-
12787	2864	6	80	80	CD
12787	2864	7	grams	gram	NNS
12787	2864	8	FeSO_{4}.7H_{2}O	feso_{4}.7h_{2}o	JJ
12787	2864	9	per	per	IN
12787	2864	10	liter	liter	NN
12787	2864	11	)	)	-RRB-
12787	2864	12	are	be	VBP
12787	2864	13	mixed	mixed	JJ
12787	2864	14	,	,	,
12787	2864	15	and	and	CC
12787	2864	16	the	the	DT
12787	2864	17	resulting	result	VBG
12787	2864	18	solution	solution	NN
12787	2864	19	titrated	titrate	VBN
12787	2864	20	with	with	IN
12787	2864	21	0.2121	0.2121	CD
12787	2864	22	N	n	NN
12787	2864	23	KMnO_{4	KMnO_{4	NNP
12787	2864	24	}	}	-RRB-
12787	2864	25	,	,	,
12787	2864	26	how	how	WRB
12787	2864	27	many	many	JJ
12787	2864	28	cubic	cubic	JJ
12787	2864	29	centimeters	centimeter	NNS
12787	2864	30	of	of	IN
12787	2864	31	the	the	DT
12787	2864	32	KMnO_{4	KMnO_{4	NNP
12787	2864	33	}	}	-RRB-
12787	2864	34	solution	solution	NN
12787	2864	35	will	will	MD
12787	2864	36	be	be	VB
12787	2864	37	required	require	VBN
12787	2864	38	to	to	TO
12787	2864	39	oxidize	oxidize	VB
12787	2864	40	the	the	DT
12787	2864	41	iron	iron	NN
12787	2864	42	?	?	.
12787	2865	1	!	!	.
12787	2865	2	Answer	answer	VB
12787	2865	3	!	!	.
12787	2866	1	:	:	:
12787	2866	2	5.70	5.70	CD
12787	2866	3	cc	cc	NNP
12787	2866	4	.	.	.
12787	2867	1	50	50	CD
12787	2867	2	.	.	.
12787	2868	1	If	if	IN
12787	2868	2	a	a	DT
12787	2868	3	0.5000	0.5000	CD
12787	2868	4	gram	gram	NN
12787	2868	5	sample	sample	NN
12787	2868	6	of	of	IN
12787	2868	7	limonite	limonite	NN
12787	2868	8	containing	contain	VBG
12787	2868	9	59.50	59.50	CD
12787	2868	10	per	per	IN
12787	2868	11	cent	cent	NN
12787	2868	12	Fe_{2}O_{3	fe_{2}o_{3	CD
12787	2868	13	}	}	-RRB-
12787	2868	14	requires	require	VBZ
12787	2868	15	40	40	CD
12787	2868	16	cc	cc	NN
12787	2868	17	.	.	.
12787	2869	1	of	of	IN
12787	2869	2	KMnO_{4	KMnO_{4	NNP
12787	2869	3	}	}	-RRB-
12787	2869	4	to	to	TO
12787	2869	5	oxidize	oxidize	VB
12787	2869	6	the	the	DT
12787	2869	7	iron	iron	NN
12787	2869	8	,	,	,
12787	2869	9	what	what	WP
12787	2869	10	is	be	VBZ
12787	2869	11	the	the	DT
12787	2869	12	value	value	NN
12787	2869	13	of	of	IN
12787	2869	14	1	1	CD
12787	2869	15	cc	cc	NN
12787	2869	16	.	.	.
12787	2870	1	of	of	IN
12787	2870	2	the	the	DT
12787	2870	3	permanganate	permanganate	NN
12787	2870	4	in	in	IN
12787	2870	5	terms	term	NNS
12787	2870	6	of	of	IN
12787	2870	7	(	(	-LRB-
12787	2870	8	a	a	DT
12787	2870	9	)	)	-RRB-
12787	2870	10	Fe	fe	FW
12787	2870	11	,	,	,
12787	2870	12	(	(	-LRB-
12787	2870	13	b	b	LS
12787	2870	14	)	)	-RRB-
12787	2870	15	H_{2}C_{2}O_{4}.2H_{2}O	h_{2}c_{2}o_{4}.2h_{2}o	JJ
12787	2870	16	?	?	.
12787	2871	1	!	!	.
12787	2871	2	Answers	answer	NNS
12787	2871	3	!	!	.
12787	2872	1	:	:	:
12787	2872	2	(	(	-LRB-
12787	2872	3	a	a	DT
12787	2872	4	)	)	-RRB-
12787	2872	5	0.005189	0.005189	CD
12787	2872	6	gram	gram	NN
12787	2872	7	;	;	:
12787	2872	8	(	(	-LRB-
12787	2872	9	b	b	NN
12787	2872	10	)	)	-RRB-
12787	2872	11	0.005859	0.005859	CD
12787	2872	12	gram	gram	NN
12787	2872	13	.	.	.
12787	2873	1	51	51	CD
12787	2873	2	.	.	.
12787	2874	1	A	a	DT
12787	2874	2	sample	sample	NN
12787	2874	3	of	of	IN
12787	2874	4	pyrolusite	pyrolusite	NN
12787	2874	5	weighing	weigh	VBG
12787	2874	6	0.6000	0.6000	CD
12787	2874	7	gram	gram	NN
12787	2874	8	is	be	VBZ
12787	2874	9	treated	treat	VBN
12787	2874	10	with	with	IN
12787	2874	11	0.9000	0.9000	CD
12787	2874	12	gram	gram	NN
12787	2874	13	of	of	IN
12787	2874	14	oxalic	oxalic	JJ
12787	2874	15	acid	acid	NN
12787	2874	16	.	.	.
12787	2875	1	The	the	DT
12787	2875	2	excess	excess	JJ
12787	2875	3	oxalic	oxalic	JJ
12787	2875	4	acid	acid	NN
12787	2875	5	requires	require	VBZ
12787	2875	6	23.95	23.95	CD
12787	2875	7	cc	cc	NNP
12787	2875	8	.	.	.
12787	2876	1	of	of	IN
12787	2876	2	permanganate	permanganate	NNP
12787	2876	3	(	(	-LRB-
12787	2876	4	1	1	CD
12787	2876	5	cc	cc	NN
12787	2876	6	.	.	.
12787	2877	1	=	=	NFP
12787	2877	2	0.03038	0.03038	CD
12787	2877	3	gram	gram	NN
12787	2877	4	FeSO_{4}.7H_{2}O	FeSO_{4}.7H_{2}O	NNP
12787	2877	5	)	)	-RRB-
12787	2877	6	.	.	.
12787	2878	1	What	what	WP
12787	2878	2	is	be	VBZ
12787	2878	3	the	the	DT
12787	2878	4	percentage	percentage	NN
12787	2878	5	of	of	IN
12787	2878	6	MnO_{2	MnO_{2	NNP
12787	2878	7	}	}	-RRB-
12787	2878	8	,	,	,
12787	2878	9	in	in	IN
12787	2878	10	the	the	DT
12787	2878	11	sample	sample	NN
12787	2878	12	?	?	.
12787	2879	1	!	!	.
12787	2879	2	Answer	answer	VB
12787	2879	3	!	!	.
12787	2880	1	:	:	:
12787	2880	2	84.47	84.47	CD
12787	2880	3	%	%	NN
12787	2880	4	.	.	.
12787	2881	1	52	52	CD
12787	2881	2	.	.	.
12787	2882	1	A	a	DT
12787	2882	2	solution	solution	NN
12787	2882	3	contains	contain	VBZ
12787	2882	4	50	50	CD
12787	2882	5	grams	gram	NNS
12787	2882	6	of	of	IN
12787	2882	7	KHC_{2}O_{4}.H_{2}C_{2}O_{4}.2H_{2}O	KHC_{2}O_{4}.H_{2}C_{2}O_{4}.2H_{2}O	NNP
12787	2882	8	per	per	IN
12787	2882	9	liter	liter	NN
12787	2882	10	.	.	.
12787	2883	1	What	what	WP
12787	2883	2	is	be	VBZ
12787	2883	3	the	the	DT
12787	2883	4	normal	normal	JJ
12787	2883	5	value	value	NN
12787	2883	6	of	of	IN
12787	2883	7	the	the	DT
12787	2883	8	solution	solution	NN
12787	2883	9	(	(	-LRB-
12787	2883	10	a	a	LS
12787	2883	11	)	)	-RRB-
12787	2883	12	as	as	IN
12787	2883	13	an	an	DT
12787	2883	14	acid	acid	NN
12787	2883	15	,	,	,
12787	2883	16	and	and	CC
12787	2883	17	(	(	-LRB-
12787	2883	18	b	b	NN
12787	2883	19	)	)	-RRB-
12787	2883	20	as	as	IN
12787	2883	21	a	a	DT
12787	2883	22	reducing	reduce	VBG
12787	2883	23	agent	agent	NN
12787	2883	24	?	?	.
12787	2884	1	!	!	.
12787	2884	2	Answers	answer	NNS
12787	2884	3	!	!	.
12787	2885	1	:	:	:
12787	2885	2	(	(	-LRB-
12787	2885	3	a	a	DT
12787	2885	4	)	)	-RRB-
12787	2885	5	0.5903	0.5903	CD
12787	2885	6	N	n	CD
12787	2885	7	;	;	:
12787	2885	8	(	(	-LRB-
12787	2885	9	b	b	NN
12787	2885	10	)	)	-RRB-
12787	2885	11	0.7872	0.7872	.
12787	2885	12	N.	N.	NNP
12787	2885	13	53	53	CD
12787	2885	14	.	.	.
12787	2886	1	In	in	IN
12787	2886	2	the	the	DT
12787	2886	3	analysis	analysis	NN
12787	2886	4	of	of	IN
12787	2886	5	an	an	DT
12787	2886	6	iron	iron	NN
12787	2886	7	ore	ore	NN
12787	2886	8	containing	contain	VBG
12787	2886	9	60	60	CD
12787	2886	10	%	%	NN
12787	2886	11	Fe_{2}O_{3	fe_{2}o_{3	CD
12787	2886	12	}	}	-RRB-
12787	2886	13	,	,	,
12787	2886	14	a	a	DT
12787	2886	15	sample	sample	NN
12787	2886	16	weighing	weigh	VBG
12787	2886	17	0.5000	0.5000	CD
12787	2886	18	gram	gram	NN
12787	2886	19	is	be	VBZ
12787	2886	20	taken	take	VBN
12787	2886	21	and	and	CC
12787	2886	22	the	the	DT
12787	2886	23	iron	iron	NN
12787	2886	24	is	be	VBZ
12787	2886	25	reduced	reduce	VBN
12787	2886	26	with	with	IN
12787	2886	27	sulphurous	sulphurous	JJ
12787	2886	28	acid	acid	NN
12787	2886	29	.	.	.
12787	2887	1	On	on	IN
12787	2887	2	account	account	NN
12787	2887	3	of	of	IN
12787	2887	4	failure	failure	NN
12787	2887	5	to	to	TO
12787	2887	6	boil	boil	VB
12787	2887	7	out	out	RP
12787	2887	8	all	all	PDT
12787	2887	9	the	the	DT
12787	2887	10	excess	excess	JJ
12787	2887	11	SO_{2	so_{2	NN
12787	2887	12	}	}	-RRB-
12787	2887	13	,	,	,
12787	2887	14	38.60	38.60	CD
12787	2887	15	cubic	cubic	JJ
12787	2887	16	centimeters	centimeter	NNS
12787	2887	17	of	of	IN
12787	2887	18	0.1	0.1	CD
12787	2887	19	N	n	NN
12787	2887	20	KMnO_{4	KMnO_{4	NNP
12787	2887	21	}	}	-RRB-
12787	2887	22	were	be	VBD
12787	2887	23	required	require	VBN
12787	2887	24	to	to	TO
12787	2887	25	titrate	titrate	VB
12787	2887	26	the	the	DT
12787	2887	27	solution	solution	NN
12787	2887	28	.	.	.
12787	2888	1	What	what	WP
12787	2888	2	was	be	VBD
12787	2888	3	the	the	DT
12787	2888	4	error	error	NN
12787	2888	5	,	,	,
12787	2888	6	percentage	percentage	NN
12787	2888	7	error	error	NN
12787	2888	8	,	,	,
12787	2888	9	and	and	CC
12787	2888	10	what	what	WP
12787	2888	11	weight	weight	NN
12787	2888	12	of	of	IN
12787	2888	13	sulphur	sulphur	NNP
12787	2888	14	dioxide	dioxide	NNP
12787	2888	15	was	be	VBD
12787	2888	16	in	in	IN
12787	2888	17	the	the	DT
12787	2888	18	solution	solution	NN
12787	2888	19	?	?	.
12787	2889	1	!	!	.
12787	2889	2	Answers	answer	NNS
12787	2889	3	!	!	.
12787	2890	1	:	:	:
12787	2890	2	(	(	-LRB-
12787	2890	3	a	a	DT
12787	2890	4	)	)	-RRB-
12787	2890	5	1.60	1.60	CD
12787	2890	6	%	%	NN
12787	2890	7	;	;	,
12787	2890	8	(	(	-LRB-
12787	2890	9	b	b	NN
12787	2890	10	)	)	-RRB-
12787	2890	11	2.67	2.67	CD
12787	2890	12	%	%	NN
12787	2890	13	;	;	,
12787	2890	14	(	(	-LRB-
12787	2890	15	c	c	NN
12787	2890	16	)	)	-RRB-
12787	2890	17	0.00322	0.00322	CD
12787	2890	18	gram	gram	NN
12787	2890	19	.	.	.
12787	2891	1	54	54	CD
12787	2891	2	.	.	.
12787	2892	1	From	from	IN
12787	2892	2	the	the	DT
12787	2892	3	following	follow	VBG
12787	2892	4	data	datum	NNS
12787	2892	5	,	,	,
12787	2892	6	calculate	calculate	VB
12787	2892	7	the	the	DT
12787	2892	8	ratio	ratio	NN
12787	2892	9	of	of	IN
12787	2892	10	the	the	DT
12787	2892	11	nitric	nitric	JJ
12787	2892	12	acid	acid	NN
12787	2892	13	as	as	IN
12787	2892	14	an	an	DT
12787	2892	15	oxidizing	oxidizing	JJ
12787	2892	16	agent	agent	NN
12787	2892	17	to	to	IN
12787	2892	18	the	the	DT
12787	2892	19	tetroxalate	tetroxalate	NN
12787	2892	20	solution	solution	NN
12787	2892	21	as	as	IN
12787	2892	22	a	a	DT
12787	2892	23	reducing	reduce	VBG
12787	2892	24	agent	agent	NN
12787	2892	25	:	:	:
12787	2892	26	1	1	CD
12787	2892	27	cc	cc	NNP
12787	2892	28	.	.	.
12787	2893	1	HNO_{3	hno_{3	LS
12787	2893	2	}	}	-RRB-
12787	2893	3	=	=	NFP
12787	2893	4	1.246	1.246	CD
12787	2893	5	cc	cc	NN
12787	2893	6	.	.	.
12787	2894	1	NaOH	NaOH	NNP
12787	2894	2	solution	solution	NN
12787	2894	3	;	;	:
12787	2894	4	1	1	CD
12787	2894	5	cc	cc	NN
12787	2894	6	.	.	.
12787	2895	1	NaOH	NaOH	NNP
12787	2895	2	=	=	SYM
12787	2895	3	1.743	1.743	CD
12787	2895	4	cc	cc	NN
12787	2895	5	.	.	.
12787	2896	1	KHC_{2}O_{4}.H_{2}C_{2}O_{4}.2H_{2}O	KHC_{2}O_{4}.H_{2}C_{2}O_{4}.2H_{2}O	NNP
12787	2896	2	solution	solution	NN
12787	2896	3	;	;	:
12787	2896	4	Normal	normal	JJ
12787	2896	5	value	value	NN
12787	2896	6	NaOH	NaOH	NNP
12787	2896	7	=	=	NNP
12787	2896	8	0.12	0.12	CD
12787	2896	9	.	.	.
12787	2897	1	!	!	.
12787	2897	2	Answer	answer	VB
12787	2897	3	!	!	.
12787	2898	1	:	:	:
12787	2898	2	4.885	4.885	CD
12787	2898	3	.	.	.
12787	2899	1	55	55	CD
12787	2899	2	.	.	.
12787	2900	1	Given	give	VBN
12787	2900	2	the	the	DT
12787	2900	3	following	following	JJ
12787	2900	4	data	data	NN
12787	2900	5	:	:	:
12787	2900	6	25	25	CD
12787	2900	7	cc	cc	NN
12787	2900	8	.	.	.
12787	2901	1	of	of	IN
12787	2901	2	a	a	DT
12787	2901	3	hydrochloric	hydrochloric	JJ
12787	2901	4	acid	acid	NN
12787	2901	5	,	,	,
12787	2901	6	when	when	WRB
12787	2901	7	standardized	standardize	VBN
12787	2901	8	gravimetrically	gravimetrically	RB
12787	2901	9	as	as	IN
12787	2901	10	silver	silver	NN
12787	2901	11	chloride	chloride	NN
12787	2901	12	,	,	,
12787	2901	13	yields	yield	VBZ
12787	2901	14	a	a	DT
12787	2901	15	precipitate	precipitate	NN
12787	2901	16	weighing	weigh	VBG
12787	2901	17	0.5465	0.5465	CD
12787	2901	18	gram	gram	NN
12787	2901	19	.	.	.
12787	2902	1	24.35	24.35	CD
12787	2902	2	cc	cc	NNP
12787	2902	3	.	.	.
12787	2903	1	of	of	IN
12787	2903	2	the	the	DT
12787	2903	3	hydrochloric	hydrochloric	JJ
12787	2903	4	acid	acid	NN
12787	2903	5	are	be	VBP
12787	2903	6	exactly	exactly	RB
12787	2903	7	equivalent	equivalent	JJ
12787	2903	8	to	to	IN
12787	2903	9	30.17	30.17	CD
12787	2903	10	cc	cc	NNP
12787	2903	11	.	.	.
12787	2904	1	of	of	IN
12787	2904	2	KHC_{2}O_{4}.H_{2}C_{2}O_{4}.2H_{2}O	KHC_{2}O_{4}.H_{2}C_{2}O_{4}.2H_{2}O	NNP
12787	2904	3	solution	solution	NN
12787	2904	4	.	.	.
12787	2905	1	How	how	WRB
12787	2905	2	much	much	JJ
12787	2905	3	water	water	NN
12787	2905	4	must	must	MD
12787	2905	5	be	be	VB
12787	2905	6	added	add	VBN
12787	2905	7	to	to	IN
12787	2905	8	a	a	DT
12787	2905	9	liter	liter	NN
12787	2905	10	of	of	IN
12787	2905	11	the	the	DT
12787	2905	12	oxalate	oxalate	NN
12787	2905	13	solution	solution	NN
12787	2905	14	to	to	TO
12787	2905	15	make	make	VB
12787	2905	16	it	-PRON-	PRP
12787	2905	17	exactly	exactly	RB
12787	2905	18	0.025	0.025	CD
12787	2905	19	N	n	XX
12787	2905	20	as	as	IN
12787	2905	21	a	a	DT
12787	2905	22	reducing	reduce	VBG
12787	2905	23	agent	agent	NN
12787	2905	24	?	?	.
12787	2906	1	!	!	.
12787	2906	2	Answer	answer	VB
12787	2906	3	!	!	.
12787	2907	1	:	:	:
12787	2907	2	5564	5564	CD
12787	2907	3	cc	cc	NNP
12787	2907	4	.	.	.
12787	2908	1	56	56	CD
12787	2908	2	.	.	.
12787	2909	1	Ten	ten	CD
12787	2909	2	grams	gram	NNS
12787	2909	3	of	of	IN
12787	2909	4	a	a	DT
12787	2909	5	mixture	mixture	NN
12787	2909	6	of	of	IN
12787	2909	7	pure	pure	JJ
12787	2909	8	potassium	potassium	NN
12787	2909	9	tetroxalate	tetroxalate	NN
12787	2909	10	(	(	-LRB-
12787	2909	11	KHC_{2}O_{4}.H_{2}C_{2}O_{4}.2H_{2}O	KHC_{2}O_{4}.H_{2}C_{2}O_{4}.2H_{2}O	NNP
12787	2909	12	)	)	-RRB-
12787	2909	13	and	and	CC
12787	2909	14	pure	pure	JJ
12787	2909	15	oxalic	oxalic	JJ
12787	2909	16	acid	acid	NN
12787	2909	17	(	(	-LRB-
12787	2909	18	H_{2}C_{2}O_{4}.2H_{2}O	h_{2}c_{2}o_{4}.2h_{2}o	UH
12787	2909	19	)	)	-RRB-
12787	2909	20	are	be	VBP
12787	2909	21	dissolved	dissolve	VBN
12787	2909	22	in	in	IN
12787	2909	23	water	water	NN
12787	2909	24	and	and	CC
12787	2909	25	diluted	dilute	VBN
12787	2909	26	to	to	IN
12787	2909	27	exactly	exactly	RB
12787	2909	28	1000	1000	CD
12787	2909	29	cc	cc	NN
12787	2909	30	.	.	.
12787	2910	1	The	the	DT
12787	2910	2	normal	normal	JJ
12787	2910	3	value	value	NN
12787	2910	4	of	of	IN
12787	2910	5	the	the	DT
12787	2910	6	oxalate	oxalate	NN
12787	2910	7	solution	solution	NN
12787	2910	8	when	when	WRB
12787	2910	9	used	use	VBN
12787	2910	10	as	as	IN
12787	2910	11	an	an	DT
12787	2910	12	acid	acid	NN
12787	2910	13	is	be	VBZ
12787	2910	14	0.1315	0.1315	CD
12787	2910	15	.	.	.
12787	2911	1	Calculate	calculate	VB
12787	2911	2	the	the	DT
12787	2911	3	ratio	ratio	NN
12787	2911	4	of	of	IN
12787	2911	5	tetroxalate	tetroxalate	NN
12787	2911	6	to	to	TO
12787	2911	7	oxalate	oxalate	VB
12787	2911	8	used	use	VBN
12787	2911	9	in	in	IN
12787	2911	10	making	make	VBG
12787	2911	11	up	up	RP
12787	2911	12	the	the	DT
12787	2911	13	solution	solution	NN
12787	2911	14	and	and	CC
12787	2911	15	the	the	DT
12787	2911	16	normal	normal	JJ
12787	2911	17	value	value	NN
12787	2911	18	of	of	IN
12787	2911	19	the	the	DT
12787	2911	20	solution	solution	NN
12787	2911	21	as	as	IN
12787	2911	22	a	a	DT
12787	2911	23	reducing	reduce	VBG
12787	2911	24	agent	agent	NN
12787	2911	25	.	.	.
12787	2912	1	!	!	.
12787	2912	2	Answers	answer	NNS
12787	2912	3	!	!	.
12787	2913	1	:	:	:
12787	2913	2	2:1	2:1	CD
12787	2913	3	;	;	:
12787	2913	4	0.1577	0.1577	CD
12787	2913	5	N.	n.	NN
12787	2913	6	57	57	CD
12787	2913	7	.	.	.
12787	2914	1	A	a	DT
12787	2914	2	student	student	NN
12787	2914	3	standardized	standardize	VBD
12787	2914	4	a	a	DT
12787	2914	5	solution	solution	NN
12787	2914	6	of	of	IN
12787	2914	7	NaOH	NaOH	NNP
12787	2914	8	and	and	CC
12787	2914	9	one	one	CD
12787	2914	10	of	of	IN
12787	2914	11	KMnO_{4	KMnO_{4	NNP
12787	2914	12	}	}	-RRB-
12787	2914	13	against	against	IN
12787	2914	14	pure	pure	JJ
12787	2914	15	KHC_{2}O_{4}.H_{2}C_{2}O_{4}.2H_{2}O	KHC_{2}O_{4}.H_{2}C_{2}O_{4}.2H_{2}O	NNP
12787	2914	16	and	and	CC
12787	2914	17	found	find	VBD
12787	2914	18	the	the	DT
12787	2914	19	former	former	JJ
12787	2914	20	to	to	TO
12787	2914	21	be	be	VB
12787	2914	22	0.07500	0.07500	NNP
12787	2914	23	N	N	NNP
12787	2914	24	as	as	IN
12787	2914	25	an	an	DT
12787	2914	26	alkali	alkali	JJ
12787	2914	27	and	and	CC
12787	2914	28	the	the	DT
12787	2914	29	latter	latter	JJ
12787	2914	30	exactly	exactly	RB
12787	2914	31	0.1	0.1	CD
12787	2914	32	N	N	NNS
12787	2914	33	as	as	IN
12787	2914	34	an	an	DT
12787	2914	35	oxidizing	oxidizing	JJ
12787	2914	36	agent	agent	NN
12787	2914	37	.	.	.
12787	2915	1	By	by	IN
12787	2915	2	coincidence	coincidence	NN
12787	2915	3	,	,	,
12787	2915	4	exactly	exactly	RB
12787	2915	5	47.26	47.26	CD
12787	2915	6	cc	cc	NN
12787	2915	7	.	.	.
12787	2916	1	were	be	VBD
12787	2916	2	used	use	VBN
12787	2916	3	in	in	IN
12787	2916	4	each	each	DT
12787	2916	5	standardization	standardization	NN
12787	2916	6	.	.	.
12787	2917	1	Find	find	VB
12787	2917	2	the	the	DT
12787	2917	3	ratio	ratio	NN
12787	2917	4	of	of	IN
12787	2917	5	the	the	DT
12787	2917	6	oxalate	oxalate	NN
12787	2917	7	used	use	VBN
12787	2917	8	in	in	IN
12787	2917	9	the	the	DT
12787	2917	10	NaOH	NaOH	NNP
12787	2917	11	standardization	standardization	NN
12787	2917	12	to	to	IN
12787	2917	13	the	the	DT
12787	2917	14	oxalate	oxalate	NN
12787	2917	15	used	use	VBN
12787	2917	16	in	in	IN
12787	2917	17	the	the	DT
12787	2917	18	permanganate	permanganate	JJ
12787	2917	19	standardization	standardization	NN
12787	2917	20	.	.	.
12787	2918	1	!	!	.
12787	2918	2	Answer	answer	VB
12787	2918	3	!	!	.
12787	2919	1	:	:	:
12787	2919	2	1:1	1:1	ADD
12787	2919	3	.	.	.
12787	2920	1	58	58	CD
12787	2920	2	.	.	.
12787	2921	1	A	a	DT
12787	2921	2	sample	sample	NN
12787	2921	3	of	of	IN
12787	2921	4	apatite	apatite	NN
12787	2921	5	weighing	weigh	VBG
12787	2921	6	0.60	0.60	CD
12787	2921	7	gram	gram	NN
12787	2921	8	is	be	VBZ
12787	2921	9	analyzed	analyze	VBN
12787	2921	10	for	for	IN
12787	2921	11	its	-PRON-	PRP$
12787	2921	12	phosphoric	phosphoric	NN
12787	2921	13	anhydride	anhydride	NN
12787	2921	14	content	content	NN
12787	2921	15	.	.	.
12787	2922	1	If	if	IN
12787	2922	2	the	the	DT
12787	2922	3	phosphate	phosphate	NN
12787	2922	4	is	be	VBZ
12787	2922	5	precipitated	precipitate	VBN
12787	2922	6	as	as	IN
12787	2922	7	(	(	-LRB-
12787	2922	8	NH_{4})_{3}PO_{4}.12MoO_{3	NH_{4})_{3}PO_{4}.12MoO_{3	NNP
12787	2922	9	}	}	-RRB-
12787	2922	10	,	,	,
12787	2922	11	and	and	CC
12787	2922	12	the	the	DT
12787	2922	13	precipitate	precipitate	NN
12787	2922	14	(	(	-LRB-
12787	2922	15	after	after	IN
12787	2922	16	solution	solution	NN
12787	2922	17	and	and	CC
12787	2922	18	reduction	reduction	NN
12787	2922	19	of	of	IN
12787	2922	20	the	the	DT
12787	2922	21	MoO_{3	MoO_{3	NNP
12787	2922	22	}	}	-RRB-
12787	2922	23	to	to	IN
12787	2922	24	Mo_{24}O_{37	Mo_{24}O_{37	NNP
12787	2922	25	}	}	-RRB-
12787	2922	26	)	)	-RRB-
12787	2922	27	,	,	,
12787	2922	28	requires	require	VBZ
12787	2922	29	100	100	CD
12787	2922	30	cc	cc	NN
12787	2922	31	.	.	.
12787	2923	1	of	of	IN
12787	2923	2	normal	normal	JJ
12787	2923	3	KMnO_{4	KMnO_{4	NNP
12787	2923	4	}	}	-RRB-
12787	2923	5	to	to	TO
12787	2923	6	oxidize	oxidize	VB
12787	2923	7	it	-PRON-	PRP
12787	2923	8	back	back	RB
12787	2923	9	to	to	IN
12787	2923	10	MoO_{3	MoO_{3	NNP
12787	2923	11	}	}	-RRB-
12787	2923	12	,	,	,
12787	2923	13	what	what	WP
12787	2923	14	is	be	VBZ
12787	2923	15	the	the	DT
12787	2923	16	percentage	percentage	NN
12787	2923	17	of	of	IN
12787	2923	18	P_{2}O_{5	P_{2}O_{5	NNP
12787	2923	19	}	}	-RRB-
12787	2923	20	?	?	.
12787	2924	1	!	!	.
12787	2924	2	Answer	answer	VB
12787	2924	3	!	!	.
12787	2925	1	:	:	:
12787	2925	2	33.81	33.81	CD
12787	2925	3	%	%	NN
12787	2925	4	.	.	.
12787	2926	1	59	59	CD
12787	2926	2	.	.	.
12787	2927	1	In	in	IN
12787	2927	2	the	the	DT
12787	2927	3	analysis	analysis	NN
12787	2927	4	of	of	IN
12787	2927	5	a	a	DT
12787	2927	6	sample	sample	NN
12787	2927	7	of	of	IN
12787	2927	8	steel	steel	NN
12787	2927	9	weighing	weigh	VBG
12787	2927	10	1.881	1.881	CD
12787	2927	11	grams	gram	NNS
12787	2927	12	the	the	DT
12787	2927	13	phosphorus	phosphorus	NN
12787	2927	14	was	be	VBD
12787	2927	15	precipitated	precipitate	VBN
12787	2927	16	with	with	IN
12787	2927	17	ammonium	ammonium	NN
12787	2927	18	molybdate	molybdate	NN
12787	2927	19	and	and	CC
12787	2927	20	the	the	DT
12787	2927	21	yellow	yellow	JJ
12787	2927	22	precipitate	precipitate	NN
12787	2927	23	was	be	VBD
12787	2927	24	dissolved	dissolve	VBN
12787	2927	25	,	,	,
12787	2927	26	reduced	reduced	JJ
12787	2927	27	and	and	CC
12787	2927	28	titrated	titrate	VBN
12787	2927	29	with	with	IN
12787	2927	30	KMnO_{4	KMnO_{4	NNP
12787	2927	31	}	}	-RRB-
12787	2927	32	.	.	.
12787	2928	1	If	if	IN
12787	2928	2	the	the	DT
12787	2928	3	sample	sample	NN
12787	2928	4	contained	contain	VBD
12787	2928	5	0.025	0.025	CD
12787	2928	6	per	per	IN
12787	2928	7	cent	cent	NN
12787	2928	8	P	p	NN
12787	2928	9	and	and	CC
12787	2928	10	6.01	6.01	CD
12787	2928	11	cc	cc	NN
12787	2928	12	.	.	.
12787	2929	1	of	of	IN
12787	2929	2	KMnO_{4	KMnO_{4	NNP
12787	2929	3	}	}	-RRB-
12787	2929	4	were	be	VBD
12787	2929	5	used	use	VBN
12787	2929	6	,	,	,
12787	2929	7	to	to	IN
12787	2929	8	what	what	WDT
12787	2929	9	oxide	oxide	NN
12787	2929	10	was	be	VBD
12787	2929	11	the	the	DT
12787	2929	12	molybdenum	molybdenum	RB
12787	2929	13	reduced	reduce	VBN
12787	2929	14	?	?	.
12787	2930	1	1	1	CD
12787	2930	2	cc	cc	NNP
12787	2930	3	.	.	.
12787	2931	1	KMnO_{4	KMnO_{4	NNP
12787	2931	2	}	}	-RRB-
12787	2931	3	=	=	SYM
12787	2931	4	0.007188	0.007188	CD
12787	2931	5	gram	gram	NN
12787	2931	6	Na_{2}C_{2}O_{4	na_{2}c_{2}o_{4	NN
12787	2931	7	}	}	-RRB-
12787	2931	8	.	.	.
12787	2932	1	!	!	.
12787	2932	2	Answer	answer	VB
12787	2932	3	!	!	.
12787	2933	1	:	:	:
12787	2933	2	Mo_{4}O_{5	mo_{4}o_{5	LS
12787	2933	3	}	}	-RRB-
12787	2933	4	.	.	.
12787	2934	1	60	60	CD
12787	2934	2	.	.	.
12787	2935	1	What	what	WP
12787	2935	2	is	be	VBZ
12787	2935	3	the	the	DT
12787	2935	4	value	value	NN
12787	2935	5	of	of	IN
12787	2935	6	1	1	CD
12787	2935	7	cc	cc	NN
12787	2935	8	.	.	.
12787	2936	1	of	of	IN
12787	2936	2	an	an	DT
12787	2936	3	iodine	iodine	NN
12787	2936	4	solution	solution	NN
12787	2936	5	(	(	-LRB-
12787	2936	6	1	1	CD
12787	2936	7	cc	cc	NN
12787	2936	8	.	.	.
12787	2937	1	equivalent	equivalent	JJ
12787	2937	2	to	to	IN
12787	2937	3	0.0300	0.0300	CD
12787	2937	4	gram	gram	NN
12787	2937	5	Na_{2}S_{2}O_{3	Na_{2}S_{2}O_{3	NNP
12787	2937	6	}	}	-RRB-
12787	2937	7	)	)	-RRB-
12787	2937	8	in	in	IN
12787	2937	9	terms	term	NNS
12787	2937	10	of	of	IN
12787	2937	11	As_{2}O_{3	as_{2}o_{3	CD
12787	2937	12	}	}	-RRB-
12787	2937	13	?	?	.
12787	2938	1	!	!	.
12787	2938	2	Answer	answer	VB
12787	2938	3	!	!	.
12787	2939	1	:	:	:
12787	2939	2	0.009385	0.009385	CD
12787	2939	3	gram	gram	NN
12787	2939	4	.	.	.
12787	2940	1	61	61	CD
12787	2940	2	.	.	.
12787	2941	1	48	48	CD
12787	2941	2	cc	cc	NN
12787	2941	3	.	.	.
12787	2942	1	of	of	IN
12787	2942	2	a	a	DT
12787	2942	3	solution	solution	NN
12787	2942	4	of	of	IN
12787	2942	5	sodium	sodium	NN
12787	2942	6	thiosulphate	thiosulphate	NN
12787	2942	7	are	be	VBP
12787	2942	8	required	require	VBN
12787	2942	9	to	to	TO
12787	2942	10	titrate	titrate	VB
12787	2942	11	the	the	DT
12787	2942	12	iodine	iodine	NN
12787	2942	13	liberated	liberate	VBN
12787	2942	14	from	from	IN
12787	2942	15	an	an	DT
12787	2942	16	excess	excess	NN
12787	2942	17	of	of	IN
12787	2942	18	potassium	potassium	NN
12787	2942	19	iodide	iodide	NN
12787	2942	20	solution	solution	NN
12787	2942	21	by	by	IN
12787	2942	22	0.3000	0.3000	CD
12787	2942	23	gram	gram	NN
12787	2942	24	of	of	IN
12787	2942	25	pure	pure	JJ
12787	2942	26	KIO_{3	kio_{3	NN
12787	2942	27	}	}	-RRB-
12787	2942	28	.	.	.
12787	2943	1	(	(	-LRB-
12787	2943	2	KIO_{3	KIO_{3	NNP
12787	2943	3	}	}	-RRB-
12787	2943	4	+	+	CC
12787	2943	5	5KI	5ki	NN
12787	2943	6	+	+	SYM
12787	2943	7	3H_{2}SO_{4	3h_{2}so_{4	NN
12787	2943	8	}	}	-RRB-
12787	2943	9	=	=	SYM
12787	2943	10	3K_{2}SO_{4	3k_{2}so_{4	LS
12787	2943	11	}	}	-RRB-
12787	2943	12	+	+	CC
12787	2943	13	3I_{2	3i_{2	CD
12787	2943	14	}	}	-RRB-
12787	2943	15	+	+	SYM
12787	2943	16	3H_{2}O.	3h_{2}o.	CD
12787	2943	17	)	)	-RRB-
12787	2944	1	What	what	WP
12787	2944	2	is	be	VBZ
12787	2944	3	the	the	DT
12787	2944	4	normal	normal	JJ
12787	2944	5	strength	strength	NN
12787	2944	6	of	of	IN
12787	2944	7	the	the	DT
12787	2944	8	sodium	sodium	NN
12787	2944	9	thiosulphate	thiosulphate	NN
12787	2944	10	and	and	CC
12787	2944	11	the	the	DT
12787	2944	12	value	value	NN
12787	2944	13	of	of	IN
12787	2944	14	1	1	CD
12787	2944	15	cc	cc	NN
12787	2944	16	.	.	.
12787	2945	1	of	of	IN
12787	2945	2	it	-PRON-	PRP
12787	2945	3	in	in	IN
12787	2945	4	terms	term	NNS
12787	2945	5	of	of	IN
12787	2945	6	iodine	iodine	NN
12787	2945	7	?	?	.
12787	2946	1	!	!	.
12787	2946	2	Answers	answer	NNS
12787	2946	3	!	!	.
12787	2947	1	:	:	:
12787	2947	2	0.1753	0.1753	NNP
12787	2947	3	N	n	CD
12787	2947	4	;	;	:
12787	2947	5	0.02224	0.02224	CD
12787	2947	6	gram	gram	NN
12787	2947	7	.	.	.
12787	2948	1	62	62	CD
12787	2948	2	.	.	.
12787	2949	1	One	one	CD
12787	2949	2	thousand	thousand	CD
12787	2949	3	cubic	cubic	JJ
12787	2949	4	centimeters	centimeter	NNS
12787	2949	5	of	of	IN
12787	2949	6	0.1079	0.1079	NNP
12787	2949	7	N	n	CD
12787	2949	8	sodium	sodium	NN
12787	2949	9	thiosulphate	thiosulphate	NN
12787	2949	10	solution	solution	NN
12787	2949	11	is	be	VBZ
12787	2949	12	allowed	allow	VBN
12787	2949	13	to	to	TO
12787	2949	14	stand	stand	VB
12787	2949	15	.	.	.
12787	2950	1	One	one	CD
12787	2950	2	per	per	IN
12787	2950	3	cent	cent	NN
12787	2950	4	by	by	IN
12787	2950	5	weight	weight	NN
12787	2950	6	of	of	IN
12787	2950	7	the	the	DT
12787	2950	8	thiosulphate	thiosulphate	NN
12787	2950	9	is	be	VBZ
12787	2950	10	decomposed	decompose	VBN
12787	2950	11	by	by	IN
12787	2950	12	the	the	DT
12787	2950	13	carbonic	carbonic	JJ
12787	2950	14	acid	acid	NN
12787	2950	15	present	present	JJ
12787	2950	16	in	in	IN
12787	2950	17	the	the	DT
12787	2950	18	solution	solution	NN
12787	2950	19	.	.	.
12787	2951	1	To	to	IN
12787	2951	2	what	what	WDT
12787	2951	3	volume	volume	NN
12787	2951	4	must	must	MD
12787	2951	5	the	the	DT
12787	2951	6	solution	solution	NN
12787	2951	7	be	be	VB
12787	2951	8	diluted	dilute	VBN
12787	2951	9	to	to	TO
12787	2951	10	make	make	VB
12787	2951	11	it	-PRON-	PRP
12787	2951	12	exactly	exactly	RB
12787	2951	13	0.1	0.1	CD
12787	2951	14	N	N	NNS
12787	2951	15	as	as	IN
12787	2951	16	a	a	DT
12787	2951	17	reducing	reduce	VBG
12787	2951	18	agent	agent	NN
12787	2951	19	?	?	.
12787	2952	1	(	(	-LRB-
12787	2952	2	Na_{2}S_{2}O_{3	na_{2}s_{2}o_{3	JJ
12787	2952	3	}	}	-RRB-
12787	2952	4	+	+	CC
12787	2952	5	2H_{2}CO_{3	2h_{2}co_{3	CD
12787	2952	6	}	}	-RRB-
12787	2952	7	=	=	SYM
12787	2952	8	H_{2}SO_{3	h_{2}so_{3	CD
12787	2952	9	}	}	-RRB-
12787	2952	10	+	+	CC
12787	2952	11	2NaHCO_{3	2NaHCO_{3	NNP
12787	2952	12	}	}	-RRB-
12787	2952	13	+	+	CC
12787	2952	14	S.	S.	NNP
12787	2952	15	)	)	-RRB-
12787	2952	16	!	!	.
12787	2952	17	Answer	answer	VB
12787	2952	18	!	!	.
12787	2953	1	:	:	:
12787	2953	2	1090	1090	CD
12787	2953	3	cc	cc	NNP
12787	2953	4	.	.	.
12787	2954	1	63	63	CD
12787	2954	2	.	.	.
12787	2955	1	An	an	DT
12787	2955	2	analyzed	analyzed	JJ
12787	2955	3	sample	sample	NN
12787	2955	4	of	of	IN
12787	2955	5	stibnite	stibnite	JJ
12787	2955	6	containing	contain	VBG
12787	2955	7	70.05	70.05	CD
12787	2955	8	%	%	NN
12787	2955	9	Sb	Sb	NNP
12787	2955	10	is	be	VBZ
12787	2955	11	given	give	VBN
12787	2955	12	for	for	IN
12787	2955	13	analysis	analysis	NN
12787	2955	14	.	.	.
12787	2956	1	A	a	DT
12787	2956	2	student	student	NN
12787	2956	3	titrates	titrate	VBZ
12787	2956	4	it	-PRON-	PRP
12787	2956	5	with	with	IN
12787	2956	6	a	a	DT
12787	2956	7	solution	solution	NN
12787	2956	8	of	of	IN
12787	2956	9	iodine	iodine	NN
12787	2956	10	of	of	IN
12787	2956	11	which	which	WDT
12787	2956	12	1	1	CD
12787	2956	13	cc	cc	NN
12787	2956	14	.	.	.
12787	2957	1	is	be	VBZ
12787	2957	2	equivalent	equivalent	JJ
12787	2957	3	to	to	IN
12787	2957	4	0.004950	0.004950	CD
12787	2957	5	gram	gram	NN
12787	2957	6	of	of	IN
12787	2957	7	As_{2}O_{3	As_{2}O_{3	NNP
12787	2957	8	}	}	-RRB-
12787	2957	9	.	.	.
12787	2958	1	Due	due	IN
12787	2958	2	to	to	IN
12787	2958	3	an	an	DT
12787	2958	4	error	error	NN
12787	2958	5	on	on	IN
12787	2958	6	his	-PRON-	PRP$
12787	2958	7	part	part	NN
12787	2958	8	in	in	IN
12787	2958	9	standardization	standardization	NN
12787	2958	10	,	,	,
12787	2958	11	the	the	DT
12787	2958	12	student	student	NN
12787	2958	13	's	's	POS
12787	2958	14	analysis	analysis	NN
12787	2958	15	shows	show	VBZ
12787	2958	16	the	the	DT
12787	2958	17	sample	sample	NN
12787	2958	18	to	to	TO
12787	2958	19	contain	contain	VB
12787	2958	20	70.32	70.32	CD
12787	2958	21	%	%	NN
12787	2958	22	Sb	Sb	NNP
12787	2958	23	.	.	.
12787	2959	1	Calculate	calculate	VB
12787	2959	2	the	the	DT
12787	2959	3	true	true	JJ
12787	2959	4	normal	normal	JJ
12787	2959	5	value	value	NN
12787	2959	6	of	of	IN
12787	2959	7	the	the	DT
12787	2959	8	iodine	iodine	NN
12787	2959	9	solution	solution	NN
12787	2959	10	,	,	,
12787	2959	11	and	and	CC
12787	2959	12	the	the	DT
12787	2959	13	percentage	percentage	NN
12787	2959	14	error	error	NN
12787	2959	15	in	in	IN
12787	2959	16	the	the	DT
12787	2959	17	analysis	analysis	NN
12787	2959	18	.	.	.
12787	2960	1	!	!	.
12787	2960	2	Answers	answer	NNS
12787	2960	3	!	!	.
12787	2961	1	:	:	:
12787	2961	2	0.1000	0.1000	CD
12787	2961	3	N	n	CD
12787	2961	4	;	;	:
12787	2961	5	0.39	0.39	CD
12787	2961	6	%	%	NN
12787	2961	7	.	.	.
12787	2962	1	64	64	CD
12787	2962	2	.	.	.
12787	2963	1	A	a	DT
12787	2963	2	sample	sample	NN
12787	2963	3	of	of	IN
12787	2963	4	pyrolusite	pyrolusite	NN
12787	2963	5	weighing	weigh	VBG
12787	2963	6	0.5000	0.5000	CD
12787	2963	7	gram	gram	NN
12787	2963	8	is	be	VBZ
12787	2963	9	treated	treat	VBN
12787	2963	10	with	with	IN
12787	2963	11	an	an	DT
12787	2963	12	excess	excess	NN
12787	2963	13	of	of	IN
12787	2963	14	hydrochloric	hydrochloric	JJ
12787	2963	15	acid	acid	NN
12787	2963	16	,	,	,
12787	2963	17	the	the	DT
12787	2963	18	liberated	liberated	JJ
12787	2963	19	chlorine	chlorine	NN
12787	2963	20	is	be	VBZ
12787	2963	21	passed	pass	VBN
12787	2963	22	into	into	IN
12787	2963	23	potassium	potassium	NN
12787	2963	24	iodide	iodide	NN
12787	2963	25	and	and	CC
12787	2963	26	the	the	DT
12787	2963	27	liberated	liberated	JJ
12787	2963	28	iodine	iodine	NN
12787	2963	29	is	be	VBZ
12787	2963	30	titrated	titrate	VBN
12787	2963	31	with	with	IN
12787	2963	32	sodium	sodium	NN
12787	2963	33	thiosulphate	thiosulphate	NN
12787	2963	34	solution	solution	NN
12787	2963	35	(	(	-LRB-
12787	2963	36	49.66	49.66	CD
12787	2963	37	grams	gram	NNS
12787	2963	38	of	of	IN
12787	2963	39	pure	pure	JJ
12787	2963	40	Na_{2}S_{2}O_{3}.5H_{2}O	Na_{2}S_{2}O_{3}.5H_{2}O	NNPS
12787	2963	41	per	per	IN
12787	2963	42	liter	liter	NN
12787	2963	43	)	)	-RRB-
12787	2963	44	.	.	.
12787	2964	1	If	if	IN
12787	2964	2	38.72	38.72	CD
12787	2964	3	cc	cc	NNP
12787	2964	4	.	.	.
12787	2965	1	are	be	VBP
12787	2965	2	required	require	VBN
12787	2965	3	,	,	,
12787	2965	4	what	what	WDT
12787	2965	5	volume	volume	NN
12787	2965	6	of	of	IN
12787	2965	7	0.25	0.25	CD
12787	2965	8	normal	normal	JJ
12787	2965	9	permanganate	permanganate	JJ
12787	2965	10	solution	solution	NN
12787	2965	11	will	will	MD
12787	2965	12	be	be	VB
12787	2965	13	required	require	VBN
12787	2965	14	in	in	IN
12787	2965	15	an	an	DT
12787	2965	16	indirect	indirect	JJ
12787	2965	17	determination	determination	NN
12787	2965	18	in	in	IN
12787	2965	19	which	which	WDT
12787	2965	20	a	a	DT
12787	2965	21	similar	similar	JJ
12787	2965	22	sample	sample	NN
12787	2965	23	is	be	VBZ
12787	2965	24	reduced	reduce	VBN
12787	2965	25	with	with	IN
12787	2965	26	0.9012	0.9012	CD
12787	2965	27	gram	gram	NN
12787	2965	28	H_{2}C_{2}O_{4}.2H_{2}O	h_{2}c_{2}o_{4}.2h_{2}o	JJ
12787	2965	29	and	and	CC
12787	2965	30	the	the	DT
12787	2965	31	excess	excess	JJ
12787	2965	32	oxalic	oxalic	JJ
12787	2965	33	acid	acid	NN
12787	2965	34	titrated	titrate	VBN
12787	2965	35	?	?	.
12787	2966	1	!	!	.
12787	2966	2	Answer	answer	VB
12787	2966	3	!	!	.
12787	2967	1	:	:	:
12787	2967	2	26.22	26.22	CD
12787	2967	3	cc	cc	NNP
12787	2967	4	.	.	.
12787	2968	1	65	65	CD
12787	2968	2	.	.	.
12787	2969	1	In	in	IN
12787	2969	2	the	the	DT
12787	2969	3	determination	determination	NN
12787	2969	4	of	of	IN
12787	2969	5	sulphur	sulphur	NNP
12787	2969	6	in	in	IN
12787	2969	7	steel	steel	NN
12787	2969	8	by	by	IN
12787	2969	9	evolving	evolve	VBG
12787	2969	10	the	the	DT
12787	2969	11	sulphur	sulphur	NN
12787	2969	12	as	as	IN
12787	2969	13	hydrogen	hydrogen	NN
12787	2969	14	sulphide	sulphide	NN
12787	2969	15	,	,	,
12787	2969	16	precipitating	precipitate	VBG
12787	2969	17	cadmium	cadmium	NN
12787	2969	18	sulphide	sulphide	NN
12787	2969	19	by	by	IN
12787	2969	20	passing	pass	VBG
12787	2969	21	the	the	DT
12787	2969	22	liberated	liberated	JJ
12787	2969	23	hydrogen	hydrogen	NN
12787	2969	24	sulphide	sulphide	NN
12787	2969	25	through	through	IN
12787	2969	26	ammoniacal	ammoniacal	JJ
12787	2969	27	cadmium	cadmium	NN
12787	2969	28	chloride	chloride	NN
12787	2969	29	solution	solution	NN
12787	2969	30	,	,	,
12787	2969	31	and	and	CC
12787	2969	32	decomposing	decompose	VBG
12787	2969	33	the	the	DT
12787	2969	34	CdS	CdS	NNP
12787	2969	35	with	with	IN
12787	2969	36	acid	acid	NN
12787	2969	37	in	in	IN
12787	2969	38	the	the	DT
12787	2969	39	presence	presence	NN
12787	2969	40	of	of	IN
12787	2969	41	a	a	DT
12787	2969	42	measured	measure	VBN
12787	2969	43	amount	amount	NN
12787	2969	44	of	of	IN
12787	2969	45	standard	standard	JJ
12787	2969	46	iodine	iodine	NN
12787	2969	47	,	,	,
12787	2969	48	the	the	DT
12787	2969	49	following	follow	VBG
12787	2969	50	data	datum	NNS
12787	2969	51	are	be	VBP
12787	2969	52	obtained	obtain	VBN
12787	2969	53	:	:	:
12787	2969	54	Sample	Sample	NNP
12787	2969	55	,	,	,
12787	2969	56	5.027	5.027	CD
12787	2969	57	grams	gram	NNS
12787	2969	58	;	;	:
12787	2969	59	cc	cc	NNP
12787	2969	60	.	.	.
12787	2970	1	Na_{2}S_{2}O_{3	na_{2}s_{2}o_{3	UH
12787	2970	2	}	}	-RRB-
12787	2970	3	sol	sol	NNP
12787	2970	4	.	.	.
12787	2971	1	=	=	SYM
12787	2971	2	12.68	12.68	CD
12787	2971	3	;	;	:
12787	2971	4	cc	cc	NNP
12787	2971	5	.	.	.
12787	2972	1	Iodine	Iodine	NNP
12787	2972	2	sol	sol	NN
12787	2972	3	.	.	.
12787	2973	1	=	=	SYM
12787	2973	2	15.59	15.59	CD
12787	2973	3	;	;	:
12787	2973	4	1	1	CD
12787	2973	5	cc	cc	NN
12787	2973	6	.	.	.
12787	2974	1	Iodine	Iodine	NNP
12787	2974	2	sol	sol	NN
12787	2974	3	.	.	.
12787	2975	1	=	=	NFP
12787	2975	2	1.086	1.086	CD
12787	2975	3	cc	cc	NN
12787	2975	4	.	.	.
12787	2976	1	Na_{2}S_{2}O_{3	na_{2}s_{2}o_{3	UH
12787	2976	2	}	}	-RRB-
12787	2976	3	sol	sol	NNP
12787	2976	4	.	.	.
12787	2977	1	;	;	:
12787	2977	2	1	1	CD
12787	2977	3	cc	cc	NNP
12787	2977	4	.	.	.
12787	2978	1	Na_{2}S_{2}O_{3}=	na_{2}s_{2}o_{3}=	ADD
12787	2978	2	0.005044	0.005044	CD
12787	2978	3	gram	gram	NN
12787	2978	4	Cu	cu	NN
12787	2978	5	.	.	.
12787	2979	1	Calculate	calculate	VB
12787	2979	2	the	the	DT
12787	2979	3	percentage	percentage	NN
12787	2979	4	of	of	IN
12787	2979	5	sulphur	sulphur	NNP
12787	2979	6	.	.	.
12787	2980	1	(	(	-LRB-
12787	2980	2	H_{2}S	H_{2}S	NNP
12787	2980	3	+	+	NNP
12787	2980	4	I_{2	I_{2	NNP
12787	2980	5	}	}	-RRB-
12787	2980	6	=	=	SYM
12787	2980	7	2HI	2hi	CD
12787	2980	8	+	+	SYM
12787	2980	9	S.	S.	NNP
12787	2980	10	)	)	-RRB-
12787	2980	11	!	!	.
12787	2980	12	Answer	answer	VB
12787	2980	13	!	!	.
12787	2981	1	:	:	:
12787	2981	2	0.107	0.107	CD
12787	2981	3	%	%	NN
12787	2981	4	.	.	.
12787	2982	1	66	66	CD
12787	2982	2	.	.	.
12787	2983	1	Given	give	VBN
12787	2983	2	the	the	DT
12787	2983	3	following	follow	VBG
12787	2983	4	data	datum	NNS
12787	2983	5	,	,	,
12787	2983	6	calculate	calculate	VB
12787	2983	7	the	the	DT
12787	2983	8	percentage	percentage	NN
12787	2983	9	of	of	IN
12787	2983	10	iron	iron	NN
12787	2983	11	in	in	IN
12787	2983	12	a	a	DT
12787	2983	13	sample	sample	NN
12787	2983	14	of	of	IN
12787	2983	15	crude	crude	JJ
12787	2983	16	ferric	ferric	JJ
12787	2983	17	chloride	chloride	NN
12787	2983	18	weighing	weigh	VBG
12787	2983	19	1.000	1.000	CD
12787	2983	20	gram	gram	NN
12787	2983	21	.	.	.
12787	2984	1	The	the	DT
12787	2984	2	iodine	iodine	NN
12787	2984	3	liberated	liberate	VBN
12787	2984	4	by	by	IN
12787	2984	5	the	the	DT
12787	2984	6	reaction	reaction	NN
12787	2984	7	2FeCl_{3}+	2fecl_{3}+	CD
12787	2984	8	2HI	2hi	CD
12787	2984	9	=	=	SYM
12787	2984	10	2HCl	2hcl	CD
12787	2984	11	+	+	CC
12787	2984	12	2FeCl_{2	2fecl_{2	CD
12787	2984	13	}	}	-RRB-
12787	2984	14	+	+	CC
12787	2984	15	I_{2	I_{2	NNP
12787	2984	16	}	}	-RRB-
12787	2984	17	is	be	VBZ
12787	2984	18	reduced	reduce	VBN
12787	2984	19	by	by	IN
12787	2984	20	the	the	DT
12787	2984	21	addition	addition	NN
12787	2984	22	of	of	IN
12787	2984	23	50	50	CD
12787	2984	24	cc	cc	NN
12787	2984	25	.	.	.
12787	2985	1	of	of	IN
12787	2985	2	sodium	sodium	NN
12787	2985	3	thiosulphate	thiosulphate	NN
12787	2985	4	solution	solution	NN
12787	2985	5	and	and	CC
12787	2985	6	the	the	DT
12787	2985	7	excess	excess	JJ
12787	2985	8	thiosulphate	thiosulphate	NN
12787	2985	9	is	be	VBZ
12787	2985	10	titrated	titrated	JJ
12787	2985	11	with	with	IN
12787	2985	12	standard	standard	JJ
12787	2985	13	iodine	iodine	NN
12787	2985	14	and	and	CC
12787	2985	15	requires	require	VBZ
12787	2985	16	7.85	7.85	CD
12787	2985	17	cc	cc	NNP
12787	2985	18	.	.	.
12787	2986	1	45	45	CD
12787	2986	2	cc	cc	NN
12787	2986	3	.	.	.
12787	2987	1	I_{2	I_{2	NNP
12787	2987	2	}	}	-RRB-
12787	2987	3	solution	solution	NN
12787	2987	4	=	=	SYM
12787	2987	5	45.95	45.95	CD
12787	2987	6	cc	cc	NN
12787	2987	7	.	.	.
12787	2988	1	Na_{2}S_{2}O_{3	na_{2}s_{2}o_{3	JJ
12787	2988	2	}	}	-RRB-
12787	2988	3	solution	solution	NN
12787	2988	4	;	;	:
12787	2988	5	45	45	CD
12787	2988	6	cc	cc	NN
12787	2988	7	.	.	.
12787	2989	1	As_{2}O_{3	as_{2}o_{3	LS
12787	2989	2	}	}	-RRB-
12787	2989	3	solution	solution	NN
12787	2989	4	=	=	SYM
12787	2989	5	45.27	45.27	CD
12787	2989	6	cc	cc	NN
12787	2989	7	.	.	.
12787	2990	1	I_{2	I_{2	NNP
12787	2990	2	}	}	-RRB-
12787	2990	3	solution	solution	NN
12787	2990	4	.	.	.
12787	2991	1	1	1	CD
12787	2991	2	cc	cc	NNP
12787	2991	3	.	.	.
12787	2992	1	arsenite	arsenite	NNP
12787	2992	2	solution	solution	NNP
12787	2992	3	=	=	SYM
12787	2992	4	0.005160	0.005160	CD
12787	2992	5	gram	gram	NN
12787	2992	6	As_{2}O_{3	As_{2}O_{3	NNP
12787	2992	7	}	}	-RRB-
12787	2992	8	.	.	.
12787	2993	1	!	!	.
12787	2993	2	Answer	answer	VB
12787	2993	3	!	!	.
12787	2994	1	:	:	:
12787	2994	2	23.77	23.77	CD
12787	2994	3	%	%	NN
12787	2994	4	.	.	.
12787	2995	1	67	67	CD
12787	2995	2	.	.	.
12787	2996	1	Sulphide	sulphide	JJ
12787	2996	2	sulphur	sulphur	NN
12787	2996	3	was	be	VBD
12787	2996	4	determined	determine	VBN
12787	2996	5	in	in	IN
12787	2996	6	a	a	DT
12787	2996	7	sample	sample	NN
12787	2996	8	of	of	IN
12787	2996	9	reduced	reduce	VBN
12787	2996	10	barium	barium	NN
12787	2996	11	sulphate	sulphate	NN
12787	2996	12	by	by	IN
12787	2996	13	the	the	DT
12787	2996	14	evolution	evolution	NN
12787	2996	15	method	method	NN
12787	2996	16	,	,	,
12787	2996	17	in	in	IN
12787	2996	18	which	which	WDT
12787	2996	19	the	the	DT
12787	2996	20	sulphur	sulphur	NN
12787	2996	21	was	be	VBD
12787	2996	22	evolved	evolve	VBN
12787	2996	23	as	as	IN
12787	2996	24	hydrogen	hydrogen	NN
12787	2996	25	sulphide	sulphide	NN
12787	2996	26	and	and	CC
12787	2996	27	was	be	VBD
12787	2996	28	passed	pass	VBN
12787	2996	29	into	into	IN
12787	2996	30	CdCl_{2	cdcl_{2	JJ
12787	2996	31	}	}	-RRB-
12787	2996	32	solution	solution	NN
12787	2996	33	,	,	,
12787	2996	34	the	the	DT
12787	2996	35	acidified	acidify	VBN
12787	2996	36	precipitate	precipitate	NN
12787	2996	37	being	be	VBG
12787	2996	38	titrated	titrate	VBN
12787	2996	39	with	with	IN
12787	2996	40	iodine	iodine	NN
12787	2996	41	and	and	CC
12787	2996	42	thiosulphate	thiosulphate	NN
12787	2996	43	.	.	.
12787	2997	1	Sample	Sample	NNP
12787	2997	2	,	,	,
12787	2997	3	5.076	5.076	CD
12787	2997	4	grams	gram	NNS
12787	2997	5	;	;	:
12787	2997	6	cc	cc	NNP
12787	2997	7	.	.	.
12787	2998	1	I_{2	I_{2	NNP
12787	2998	2	}	}	-RRB-
12787	2998	3	=	=	SYM
12787	2998	4	20.83	20.83	CD
12787	2998	5	;	;	:
12787	2998	6	cc	cc	NNP
12787	2998	7	.	.	.
12787	2999	1	Na_{2}S_{2}O_{3	na_{2}s_{2}o_{3	LS
12787	2999	2	}	}	-RRB-
12787	2999	3	=	=	SYM
12787	2999	4	12.37	12.37	CD
12787	2999	5	;	;	:
12787	2999	6	43.45	43.45	CD
12787	2999	7	cc	cc	NNP
12787	2999	8	.	.	.
12787	3000	1	Na_{2}S_{2}O_{3	na_{2}s_{2}o_{3	UH
12787	3000	2	}	}	-RRB-
12787	3000	3	=	=	NFP
12787	3000	4	43.42	43.42	CD
12787	3000	5	cc	cc	NN
12787	3000	6	.	.	.
12787	3001	1	I_{2	I_{2	NNP
12787	3001	2	}	}	-RRB-
12787	3001	3	;	;	:
12787	3001	4	8.06	8.06	CD
12787	3001	5	cc	cc	NN
12787	3001	6	.	.	.
12787	3002	1	KMnO_{4	KMnO_{4	NNP
12787	3002	2	}	}	-RRB-
12787	3002	3	=	=	SYM
12787	3002	4	44.66	44.66	CD
12787	3002	5	cc	cc	NN
12787	3002	6	.	.	.
12787	3003	1	Na_{2}S_{2}O_{3	na_{2}s_{2}o_{3	LS
12787	3003	2	}	}	-RRB-
12787	3003	3	;	;	:
12787	3003	4	28.87	28.87	CD
12787	3003	5	cc	cc	NN
12787	3003	6	.	.	.
12787	3004	1	KMnO_{4	KMnO_{4	NNP
12787	3004	2	}	}	-RRB-
12787	3004	3	=	=	SYM
12787	3004	4	0.2004	0.2004	CD
12787	3004	5	gram	gram	NN
12787	3004	6	Na_{2}C_{2}O_{4	na_{2}c_{2}o_{4	NN
12787	3004	7	}	}	-RRB-
12787	3004	8	.	.	.
12787	3005	1	Calculate	calculate	VB
12787	3005	2	the	the	DT
12787	3005	3	percentage	percentage	NN
12787	3005	4	of	of	IN
12787	3005	5	sulphide	sulphide	NN
12787	3005	6	sulphur	sulphur	NNP
12787	3005	7	in	in	IN
12787	3005	8	the	the	DT
12787	3005	9	sample	sample	NN
12787	3005	10	.	.	.
12787	3006	1	!	!	.
12787	3006	2	Answer	answer	VB
12787	3006	3	!	!	.
12787	3007	1	:	:	:
12787	3007	2	0.050	0.050	CD
12787	3007	3	%	%	NN
12787	3007	4	.	.	.
12787	3008	1	68	68	CD
12787	3008	2	.	.	.
12787	3009	1	What	what	WDT
12787	3009	2	weight	weight	NN
12787	3009	3	of	of	IN
12787	3009	4	pyrolusite	pyrolusite	NN
12787	3009	5	containing	contain	VBG
12787	3009	6	89.21	89.21	CD
12787	3009	7	%	%	NN
12787	3009	8	MnO_{2	MnO_{2	NNP
12787	3009	9	}	}	-RRB-
12787	3009	10	will	will	MD
12787	3009	11	oxidize	oxidize	VB
12787	3009	12	the	the	DT
12787	3009	13	same	same	JJ
12787	3009	14	amount	amount	NN
12787	3009	15	of	of	IN
12787	3009	16	oxalic	oxalic	JJ
12787	3009	17	acid	acid	NN
12787	3009	18	as	as	IN
12787	3009	19	37.12	37.12	CD
12787	3009	20	cc	cc	NNP
12787	3009	21	.	.	.
12787	3010	1	of	of	IN
12787	3010	2	a	a	DT
12787	3010	3	permanganate	permanganate	JJ
12787	3010	4	solution	solution	NN
12787	3010	5	,	,	,
12787	3010	6	of	of	IN
12787	3010	7	which	which	WDT
12787	3010	8	1	1	CD
12787	3010	9	cc	cc	NN
12787	3010	10	.	.	.
12787	3011	1	will	will	MD
12787	3011	2	liberate	liberate	VB
12787	3011	3	0.0175	0.0175	CD
12787	3011	4	gram	gram	NN
12787	3011	5	of	of	IN
12787	3011	6	I_{2	I_{2	NNP
12787	3011	7	}	}	-RRB-
12787	3011	8	from	from	IN
12787	3011	9	KI	KI	NNP
12787	3011	10	?	?	.
12787	3012	1	!	!	.
12787	3012	2	Answer	answer	VB
12787	3012	3	!	!	.
12787	3013	1	:	:	:
12787	3013	2	0.2493	0.2493	CD
12787	3013	3	gram	gram	NN
12787	3013	4	.	.	.
12787	3014	1	69	69	CD
12787	3014	2	.	.	.
12787	3015	1	A	a	DT
12787	3015	2	sample	sample	NN
12787	3015	3	of	of	IN
12787	3015	4	pyrolusite	pyrolusite	NNP
12787	3015	5	weighs	weigh	VBZ
12787	3015	6	0.2400	0.2400	CD
12787	3015	7	gram	gram	NNP
12787	3015	8	and	and	CC
12787	3015	9	is	be	VBZ
12787	3015	10	92.50	92.50	CD
12787	3015	11	%	%	NN
12787	3015	12	pure	pure	JJ
12787	3015	13	MnO_{2	MnO_{2	NNP
12787	3015	14	}	}	-RRB-
12787	3015	15	.	.	.
12787	3016	1	The	the	DT
12787	3016	2	iodine	iodine	NN
12787	3016	3	liberated	liberate	VBN
12787	3016	4	from	from	IN
12787	3016	5	KI	KI	NNP
12787	3016	6	by	by	IN
12787	3016	7	the	the	DT
12787	3016	8	manganese	manganese	JJ
12787	3016	9	dioxide	dioxide	NN
12787	3016	10	is	be	VBZ
12787	3016	11	sufficient	sufficient	JJ
12787	3016	12	to	to	TO
12787	3016	13	react	react	VB
12787	3016	14	with	with	IN
12787	3016	15	46.24	46.24	CD
12787	3016	16	cc	cc	NNP
12787	3016	17	.	.	.
12787	3017	1	of	of	IN
12787	3017	2	Na_{2}S_{2}O_{3	Na_{2}S_{2}O_{3	NNP
12787	3017	3	}	}	-RRB-
12787	3017	4	sol	sol	NNP
12787	3017	5	.	.	.
12787	3018	1	What	what	WP
12787	3018	2	is	be	VBZ
12787	3018	3	the	the	DT
12787	3018	4	normal	normal	JJ
12787	3018	5	value	value	NN
12787	3018	6	of	of	IN
12787	3018	7	the	the	DT
12787	3018	8	thiosulphate	thiosulphate	NN
12787	3018	9	?	?	.
12787	3019	1	!	!	.
12787	3019	2	Answer	answer	VB
12787	3019	3	!	!	.
12787	3020	1	:	:	:
12787	3020	2	:	:	:
12787	3020	3	0.1105	0.1105	NNP
12787	3020	4	N.	N.	NNP
12787	3020	5	70	70	CD
12787	3020	6	.	.	.
12787	3021	1	In	in	IN
12787	3021	2	the	the	DT
12787	3021	3	volumetric	volumetric	JJ
12787	3021	4	analysis	analysis	NN
12787	3021	5	of	of	IN
12787	3021	6	silver	silver	JJ
12787	3021	7	coin	coin	NN
12787	3021	8	(	(	-LRB-
12787	3021	9	90	90	CD
12787	3021	10	%	%	NN
12787	3021	11	Ag	Ag	NNP
12787	3021	12	)	)	-RRB-
12787	3021	13	,	,	,
12787	3021	14	using	use	VBG
12787	3021	15	a	a	DT
12787	3021	16	0.5000	0.5000	CD
12787	3021	17	gram	gram	NN
12787	3021	18	sample	sample	NN
12787	3021	19	,	,	,
12787	3021	20	what	what	WP
12787	3021	21	is	be	VBZ
12787	3021	22	the	the	DT
12787	3021	23	least	least	JJS
12787	3021	24	normal	normal	JJ
12787	3021	25	value	value	NN
12787	3021	26	that	that	WDT
12787	3021	27	a	a	DT
12787	3021	28	potassium	potassium	NN
12787	3021	29	thiocyanate	thiocyanate	NN
12787	3021	30	solution	solution	NN
12787	3021	31	may	may	MD
12787	3021	32	have	have	VB
12787	3021	33	and	and	CC
12787	3021	34	not	not	RB
12787	3021	35	require	require	VB
12787	3021	36	more	more	JJR
12787	3021	37	than	than	IN
12787	3021	38	50	50	CD
12787	3021	39	cc	cc	NN
12787	3021	40	.	.	.
12787	3022	1	of	of	IN
12787	3022	2	solution	solution	NN
12787	3022	3	in	in	IN
12787	3022	4	the	the	DT
12787	3022	5	analysis	analysis	NN
12787	3022	6	?	?	.
12787	3023	1	!	!	.
12787	3023	2	Answer	answer	VB
12787	3023	3	!	!	.
12787	3024	1	:	:	:
12787	3024	2	0.08339	0.08339	NNP
12787	3024	3	N.	N.	NNP
12787	3024	4	71	71	CD
12787	3024	5	.	.	.
12787	3025	1	A	a	DT
12787	3025	2	mixture	mixture	NN
12787	3025	3	of	of	IN
12787	3025	4	pure	pure	JJ
12787	3025	5	lithium	lithium	NN
12787	3025	6	chloride	chloride	NN
12787	3025	7	and	and	CC
12787	3025	8	barium	barium	NN
12787	3025	9	bromide	bromide	NN
12787	3025	10	weighing	weigh	VBG
12787	3025	11	0.6	0.6	CD
12787	3025	12	gram	gram	NN
12787	3025	13	is	be	VBZ
12787	3025	14	treated	treat	VBN
12787	3025	15	with	with	IN
12787	3025	16	45.15	45.15	CD
12787	3025	17	cubic	cubic	JJ
12787	3025	18	centimeters	centimeter	NNS
12787	3025	19	of	of	IN
12787	3025	20	0.2017	0.2017	CD
12787	3025	21	N	n	CD
12787	3025	22	silver	silver	NN
12787	3025	23	nitrate	nitrate	JJ
12787	3025	24	,	,	,
12787	3025	25	and	and	CC
12787	3025	26	the	the	DT
12787	3025	27	excess	excess	JJ
12787	3025	28	titrated	titrate	VBN
12787	3025	29	with	with	IN
12787	3025	30	25	25	CD
12787	3025	31	cc	cc	NN
12787	3025	32	.	.	.
12787	3026	1	of	of	IN
12787	3026	2	0.1	0.1	CD
12787	3026	3	N	N	NNP
12787	3026	4	KSCN	KSCN	NNP
12787	3026	5	solution	solution	NN
12787	3026	6	,	,	,
12787	3026	7	using	use	VBG
12787	3026	8	ferric	ferric	JJ
12787	3026	9	alum	alum	NN
12787	3026	10	as	as	IN
12787	3026	11	an	an	DT
12787	3026	12	indicator	indicator	NN
12787	3026	13	.	.	.
12787	3027	1	Calculate	calculate	VB
12787	3027	2	the	the	DT
12787	3027	3	percentage	percentage	NN
12787	3027	4	of	of	IN
12787	3027	5	bromine	bromine	NN
12787	3027	6	in	in	IN
12787	3027	7	the	the	DT
12787	3027	8	sample	sample	NN
12787	3027	9	.	.	.
12787	3028	1	!	!	.
12787	3028	2	Answer	answer	VB
12787	3028	3	!	!	.
12787	3029	1	:	:	:
12787	3029	2	40.11	40.11	CD
12787	3029	3	%	%	NN
12787	3029	4	.	.	.
12787	3030	1	72	72	CD
12787	3030	2	.	.	.
12787	3031	1	A	a	DT
12787	3031	2	mixture	mixture	NN
12787	3031	3	of	of	IN
12787	3031	4	the	the	DT
12787	3031	5	chlorides	chloride	NNS
12787	3031	6	of	of	IN
12787	3031	7	sodium	sodium	NN
12787	3031	8	and	and	CC
12787	3031	9	potassium	potassium	NN
12787	3031	10	from	from	IN
12787	3031	11	0.5000	0.5000	CD
12787	3031	12	gram	gram	NN
12787	3031	13	of	of	IN
12787	3031	14	a	a	DT
12787	3031	15	feldspar	feldspar	NN
12787	3031	16	weighs	weigh	VBZ
12787	3031	17	0.1500	0.1500	CD
12787	3031	18	gram	gram	NN
12787	3031	19	,	,	,
12787	3031	20	and	and	CC
12787	3031	21	after	after	IN
12787	3031	22	solution	solution	NN
12787	3031	23	in	in	IN
12787	3031	24	water	water	NN
12787	3031	25	requires	require	VBZ
12787	3031	26	22.71	22.71	CD
12787	3031	27	cc	cc	NNP
12787	3031	28	.	.	.
12787	3032	1	of	of	IN
12787	3032	2	0.1012	0.1012	NNP
12787	3032	3	N	n	CD
12787	3032	4	silver	silver	NN
12787	3032	5	nitrate	nitrate	JJ
12787	3032	6	for	for	IN
12787	3032	7	the	the	DT
12787	3032	8	precipitation	precipitation	NN
12787	3032	9	of	of	IN
12787	3032	10	the	the	DT
12787	3032	11	chloride	chloride	NN
12787	3032	12	ions	ion	NNS
12787	3032	13	.	.	.
12787	3033	1	What	what	WP
12787	3033	2	are	be	VBP
12787	3033	3	the	the	DT
12787	3033	4	percentages	percentage	NNS
12787	3033	5	of	of	IN
12787	3033	6	Na_{2}O	na_{2}o	JJ
12787	3033	7	and	and	CC
12787	3033	8	K_{2}O	k_{2}o	VB
12787	3033	9	in	in	IN
12787	3033	10	the	the	DT
12787	3033	11	feldspar	feldspar	NN
12787	3033	12	?	?	.
12787	3034	1	!	!	.
12787	3034	2	Answer	answer	VB
12787	3034	3	!	!	.
12787	3035	1	:	:	:
12787	3035	2	8.24	8.24	CD
12787	3035	3	%	%	NN
12787	3035	4	Na_{2}O	na_{2}o	CD
12787	3035	5	;	;	:
12787	3035	6	9.14	9.14	CD
12787	3035	7	%	%	NN
12787	3035	8	K_{2}O.	K_{2}O.	NNP
12787	3035	9	GRAVIMETRIC	gravimetric	RB
12787	3035	10	ANALYSIS	ANALYSIS	NNP
12787	3035	11	73	73	CD
12787	3035	12	.	.	.
12787	3036	1	Calculate	calculate	NN
12787	3036	2	(	(	-LRB-
12787	3036	3	a	a	LS
12787	3036	4	)	)	-RRB-
12787	3036	5	the	the	DT
12787	3036	6	grams	gram	NNS
12787	3036	7	of	of	IN
12787	3036	8	silver	silver	NN
12787	3036	9	in	in	IN
12787	3036	10	one	one	CD
12787	3036	11	gram	gram	NN
12787	3036	12	of	of	IN
12787	3036	13	silver	silver	NN
12787	3036	14	chloride	chloride	NN
12787	3036	15	;	;	,
12787	3036	16	(	(	-LRB-
12787	3036	17	b	b	LS
12787	3036	18	)	)	-RRB-
12787	3036	19	the	the	DT
12787	3036	20	grams	gram	NNS
12787	3036	21	of	of	IN
12787	3036	22	carbon	carbon	NN
12787	3036	23	dioxide	dioxide	NN
12787	3036	24	liberated	liberate	VBN
12787	3036	25	by	by	IN
12787	3036	26	the	the	DT
12787	3036	27	addition	addition	NN
12787	3036	28	of	of	IN
12787	3036	29	an	an	DT
12787	3036	30	excess	excess	NN
12787	3036	31	of	of	IN
12787	3036	32	acid	acid	NN
12787	3036	33	to	to	IN
12787	3036	34	one	one	CD
12787	3036	35	gram	gram	NN
12787	3036	36	of	of	IN
12787	3036	37	calcium	calcium	NN
12787	3036	38	carbonate	carbonate	NN
12787	3036	39	;	;	:
12787	3036	40	(	(	-LRB-
12787	3036	41	c	c	NN
12787	3036	42	)	)	-RRB-
12787	3036	43	the	the	DT
12787	3036	44	grams	gram	NNS
12787	3036	45	of	of	IN
12787	3036	46	MgCl_{2	MgCl_{2	NNP
12787	3036	47	}	}	-RRB-
12787	3036	48	necessary	necessary	JJ
12787	3036	49	to	to	TO
12787	3036	50	precipitate	precipitate	VB
12787	3036	51	1	1	CD
12787	3036	52	gram	gram	NN
12787	3036	53	of	of	IN
12787	3036	54	MgNH_{4}PO_{4	MgNH_{4}PO_{4	NNP
12787	3036	55	}	}	-RRB-
12787	3036	56	.	.	.
12787	3037	1	!	!	.
12787	3037	2	Answers	answer	NNS
12787	3037	3	!	!	.
12787	3038	1	:	:	:
12787	3038	2	(	(	-LRB-
12787	3038	3	a	a	DT
12787	3038	4	)	)	-RRB-
12787	3038	5	0.7526	0.7526	CD
12787	3038	6	;	;	:
12787	3038	7	(	(	-LRB-
12787	3038	8	b	b	NN
12787	3038	9	)	)	-RRB-
12787	3038	10	0.4397	0.4397	CD
12787	3038	11	;	;	:
12787	3038	12	(	(	-LRB-
12787	3038	13	c	c	NN
12787	3038	14	)	)	-RRB-
12787	3038	15	0.6940	0.6940	ADD
12787	3038	16	.	.	.
12787	3039	1	74	74	CD
12787	3039	2	.	.	.
12787	3040	1	Calculate	calculate	VB
12787	3040	2	the	the	DT
12787	3040	3	chemical	chemical	NN
12787	3040	4	factor	factor	NN
12787	3040	5	for	for	IN
12787	3040	6	(	(	-LRB-
12787	3040	7	a	a	DT
12787	3040	8	)	)	-RRB-
12787	3040	9	Sn	Sn	NNP
12787	3040	10	in	in	IN
12787	3040	11	SnO_{2	SnO_{2	NNP
12787	3040	12	}	}	-RRB-
12787	3040	13	;	;	:
12787	3040	14	(	(	-LRB-
12787	3040	15	b	b	NN
12787	3040	16	)	)	-RRB-
12787	3040	17	MgO	MgO	NNP
12787	3040	18	in	in	IN
12787	3040	19	Mg_{2}P_{2}O_{7	mg_{2}p_{2}o_{7	NN
12787	3040	20	}	}	-RRB-
12787	3040	21	;	;	:
12787	3040	22	(	(	-LRB-
12787	3040	23	c	c	NN
12787	3040	24	)	)	-RRB-
12787	3040	25	P_{2}O_{5	P_{2}O_{5	NNP
12787	3040	26	}	}	-RRB-
12787	3040	27	in	in	IN
12787	3040	28	Mg_{2}P_{2}O_{7	mg_{2}p_{2}o_{7	NN
12787	3040	29	}	}	-RRB-
12787	3040	30	;	;	:
12787	3040	31	(	(	-LRB-
12787	3040	32	d	d	LS
12787	3040	33	)	)	-RRB-
12787	3040	34	Fe	fe	VB
12787	3040	35	in	in	RB
12787	3040	36	Fe_{2}O_{3	fe_{2}o_{3	JJ
12787	3040	37	}	}	-RRB-
12787	3040	38	;	;	:
12787	3040	39	(	(	-LRB-
12787	3040	40	e	e	LS
12787	3040	41	)	)	-RRB-
12787	3040	42	SO_{4	so_{4	NN
12787	3040	43	}	}	-RRB-
12787	3040	44	in	in	IN
12787	3040	45	BaSO_{4	BaSO_{4	NNP
12787	3040	46	}	}	-RRB-
12787	3040	47	.	.	.
12787	3041	1	!	!	.
12787	3041	2	Answers	answer	NNS
12787	3041	3	!	!	.
12787	3042	1	:	:	:
12787	3042	2	(	(	-LRB-
12787	3042	3	a	a	DT
12787	3042	4	)	)	-RRB-
12787	3042	5	0.7879	0.7879	CD
12787	3042	6	;	;	:
12787	3042	7	(	(	-LRB-
12787	3042	8	b	b	NN
12787	3042	9	)	)	-RRB-
12787	3042	10	0.3620	0.3620	CD
12787	3042	11	;	;	:
12787	3042	12	(	(	-LRB-
12787	3042	13	c	c	NN
12787	3042	14	)	)	-RRB-
12787	3042	15	0.6378	0.6378	CD
12787	3042	16	;	;	:
12787	3042	17	(	(	-LRB-
12787	3042	18	d	d	NN
12787	3042	19	)	)	-RRB-
12787	3042	20	0.6990	0.6990	CD
12787	3042	21	;	;	:
12787	3042	22	(	(	-LRB-
12787	3042	23	e	e	NN
12787	3042	24	)	)	-RRB-
12787	3042	25	0.4115	0.4115	CD
12787	3042	26	.	.	.
12787	3043	1	75	75	CD
12787	3043	2	.	.	.
12787	3044	1	Calculate	calculate	VB
12787	3044	2	the	the	DT
12787	3044	3	log	log	NN
12787	3044	4	factor	factor	NN
12787	3044	5	for	for	IN
12787	3044	6	(	(	-LRB-
12787	3044	7	a	a	LS
12787	3044	8	)	)	-RRB-
12787	3044	9	Pb	Pb	NNP
12787	3044	10	in	in	IN
12787	3044	11	PbCrO_{4	PbCrO_{4	NNP
12787	3044	12	}	}	-RRB-
12787	3044	13	;	;	:
12787	3044	14	(	(	-LRB-
12787	3044	15	b	b	NN
12787	3044	16	)	)	-RRB-
12787	3044	17	Cr_{2}O_{3	Cr_{2}O_{3	NNP
12787	3044	18	}	}	-RRB-
12787	3044	19	in	in	IN
12787	3044	20	PbCrO_{4	PbCrO_{4	NNP
12787	3044	21	}	}	-RRB-
12787	3044	22	;	;	:
12787	3044	23	(	(	-LRB-
12787	3044	24	c	c	NN
12787	3044	25	)	)	-RRB-
12787	3044	26	Pb	Pb	NNP
12787	3044	27	in	in	IN
12787	3044	28	PbO_{2	PbO_{2	NNP
12787	3044	29	}	}	-RRB-
12787	3044	30	and	and	CC
12787	3044	31	(	(	-LRB-
12787	3044	32	d	d	NN
12787	3044	33	)	)	-RRB-
12787	3044	34	CaO	CaO	NNP
12787	3044	35	in	in	IN
12787	3044	36	CaC_{2}O_{4	CaC_{2}O_{4	NNP
12787	3044	37	}	}	-RRB-
12787	3044	38	.	.	.
12787	3045	1	!	!	.
12787	3045	2	Answers	answer	NNS
12787	3045	3	!	!	.
12787	3046	1	:	:	:
12787	3046	2	(	(	-LRB-
12787	3046	3	a	a	DT
12787	3046	4	)	)	-RRB-
12787	3046	5	9.8069	9.8069	CD
12787	3046	6	-	-	SYM
12787	3046	7	10	10	CD
12787	3046	8	,	,	,
12787	3046	9	(	(	-LRB-
12787	3046	10	b	b	NN
12787	3046	11	)	)	-RRB-
12787	3046	12	9.3713	9.3713	CD
12787	3046	13	-	-	SYM
12787	3046	14	10	10	CD
12787	3046	15	;	;	:
12787	3046	16	(	(	-LRB-
12787	3046	17	c	c	NN
12787	3046	18	)	)	-RRB-
12787	3046	19	9.9376	9.9376	CD
12787	3046	20	-	-	HYPH
12787	3046	21	10	10	CD
12787	3046	22	;	;	:
12787	3046	23	(	(	-LRB-
12787	3046	24	d	d	LS
12787	3046	25	)	)	-RRB-
12787	3046	26	9.6415	9.6415	CD
12787	3046	27	-	-	SYM
12787	3046	28	10	10	CD
12787	3046	29	.	.	.
12787	3047	1	76	76	CD
12787	3047	2	.	.	.
12787	3048	1	How	how	WRB
12787	3048	2	many	many	JJ
12787	3048	3	grams	gram	NNS
12787	3048	4	of	of	IN
12787	3048	5	Mn_{3}O_{4	Mn_{3}O_{4	NNS
12787	3048	6	}	}	-RRB-
12787	3048	7	can	can	MD
12787	3048	8	be	be	VB
12787	3048	9	obtained	obtain	VBN
12787	3048	10	from	from	IN
12787	3048	11	1	1	CD
12787	3048	12	gram	gram	NN
12787	3048	13	of	of	IN
12787	3048	14	MnO_{2	MnO_{2	NNP
12787	3048	15	}	}	-RRB-
12787	3048	16	?	?	.
12787	3049	1	!	!	.
12787	3049	2	Answer	answer	VB
12787	3049	3	!	!	.
12787	3050	1	:	:	:
12787	3050	2	0.8774	0.8774	CD
12787	3050	3	gram	gram	NN
12787	3050	4	.	.	.
12787	3051	1	77	77	CD
12787	3051	2	.	.	.
12787	3052	1	If	if	IN
12787	3052	2	a	a	DT
12787	3052	3	sample	sample	NN
12787	3052	4	of	of	IN
12787	3052	5	silver	silver	JJ
12787	3052	6	coin	coin	NN
12787	3052	7	weighing	weighing	NNP
12787	3052	8	0.2500	0.2500	CD
12787	3052	9	gram	gram	NN
12787	3052	10	gives	give	VBZ
12787	3052	11	a	a	DT
12787	3052	12	precipitate	precipitate	NN
12787	3052	13	of	of	IN
12787	3052	14	AgCl	AgCl	NNP
12787	3052	15	weighing	weigh	VBG
12787	3052	16	0.2991	0.2991	CD
12787	3052	17	gram	gram	NN
12787	3052	18	,	,	,
12787	3052	19	what	what	WP
12787	3052	20	weight	weight	NN
12787	3052	21	of	of	IN
12787	3052	22	AgI	AgI	NNP
12787	3052	23	could	could	MD
12787	3052	24	have	have	VB
12787	3052	25	been	be	VBN
12787	3052	26	obtained	obtain	VBN
12787	3052	27	from	from	IN
12787	3052	28	the	the	DT
12787	3052	29	same	same	JJ
12787	3052	30	weight	weight	NN
12787	3052	31	of	of	IN
12787	3052	32	sample	sample	NN
12787	3052	33	,	,	,
12787	3052	34	and	and	CC
12787	3052	35	what	what	WP
12787	3052	36	is	be	VBZ
12787	3052	37	the	the	DT
12787	3052	38	percentage	percentage	NN
12787	3052	39	of	of	IN
12787	3052	40	silver	silver	NN
12787	3052	41	in	in	IN
12787	3052	42	the	the	DT
12787	3052	43	coin	coin	NN
12787	3052	44	?	?	.
12787	3053	1	!	!	.
12787	3053	2	Answers	answer	NNS
12787	3053	3	!	!	.
12787	3054	1	:	:	:
12787	3054	2	0.4898	0.4898	CD
12787	3054	3	gr	gr	NNP
12787	3054	4	.	.	.
12787	3055	1	;	;	:
12787	3055	2	90.05	90.05	CD
12787	3055	3	%	%	NN
12787	3055	4	.	.	.
12787	3056	1	78	78	CD
12787	3056	2	.	.	.
12787	3057	1	How	how	WRB
12787	3057	2	many	many	JJ
12787	3057	3	cubic	cubic	JJ
12787	3057	4	centimeters	centimeter	NNS
12787	3057	5	of	of	IN
12787	3057	6	hydrochloric	hydrochloric	JJ
12787	3057	7	acid	acid	NN
12787	3057	8	(	(	-LRB-
12787	3057	9	sp	sp	NNP
12787	3057	10	.	.	.
12787	3058	1	gr	gr	NNP
12787	3058	2	.	.	.
12787	3059	1	1.13	1.13	CD
12787	3059	2	containing	contain	VBG
12787	3059	3	25.75	25.75	CD
12787	3059	4	%	%	NN
12787	3059	5	HCl	HCl	NNS
12787	3059	6	by	by	IN
12787	3059	7	weight	weight	NN
12787	3059	8	)	)	-RRB-
12787	3059	9	are	be	VBP
12787	3059	10	required	require	VBN
12787	3059	11	to	to	TO
12787	3059	12	exactly	exactly	RB
12787	3059	13	neutralize	neutralize	VB
12787	3059	14	25	25	CD
12787	3059	15	cc	cc	NN
12787	3059	16	.	.	.
12787	3060	1	of	of	IN
12787	3060	2	ammonium	ammonium	NNP
12787	3060	3	hydroxide	hydroxide	NNP
12787	3060	4	(	(	-LRB-
12787	3060	5	sp	sp	NNP
12787	3060	6	.	.	.
12787	3061	1	gr	gr	NNP
12787	3061	2	.	.	.
12787	3062	1	.90	.90	NFP
12787	3062	2	containing	contain	VBG
12787	3062	3	28.33	28.33	CD
12787	3062	4	%	%	NN
12787	3062	5	NH_{3	nh_{3	NN
12787	3062	6	}	}	-RRB-
12787	3062	7	by	by	IN
12787	3062	8	weight	weight	NN
12787	3062	9	)	)	-RRB-
12787	3062	10	?	?	.
12787	3063	1	!	!	.
12787	3063	2	Answer	answer	VB
12787	3063	3	!	!	.
12787	3064	1	:	:	:
12787	3064	2	47.03	47.03	CD
12787	3064	3	cc	cc	NNP
12787	3064	4	.	.	.
12787	3065	1	79	79	CD
12787	3065	2	.	.	.
12787	3066	1	How	how	WRB
12787	3066	2	many	many	JJ
12787	3066	3	cubic	cubic	JJ
12787	3066	4	centimeters	centimeter	NNS
12787	3066	5	of	of	IN
12787	3066	6	ammonium	ammonium	NN
12787	3066	7	hydroxide	hydroxide	NNP
12787	3066	8	solution	solution	NNP
12787	3066	9	(	(	-LRB-
12787	3066	10	sp	sp	NN
12787	3066	11	.	.	.
12787	3067	1	gr	gr	NNP
12787	3067	2	.	.	.
12787	3068	1	0.96	0.96	LS
12787	3068	2	containing	contain	VBG
12787	3068	3	9.91	9.91	CD
12787	3068	4	%	%	NN
12787	3068	5	NH_{3	nh_{3	NN
12787	3068	6	}	}	-RRB-
12787	3068	7	by	by	IN
12787	3068	8	weight	weight	NN
12787	3068	9	)	)	-RRB-
12787	3068	10	are	be	VBP
12787	3068	11	required	require	VBN
12787	3068	12	to	to	TO
12787	3068	13	precipitate	precipitate	VB
12787	3068	14	the	the	DT
12787	3068	15	aluminium	aluminium	NN
12787	3068	16	as	as	IN
12787	3068	17	aluminium	aluminium	NN
12787	3068	18	hydroxide	hydroxide	NN
12787	3068	19	from	from	IN
12787	3068	20	a	a	DT
12787	3068	21	two	two	CD
12787	3068	22	-	-	HYPH
12787	3068	23	gram	gram	NN
12787	3068	24	sample	sample	NN
12787	3068	25	of	of	IN
12787	3068	26	alum	alum	NNP
12787	3068	27	(	(	-LRB-
12787	3068	28	KAl(SO_{4})_{2}.12H_{2}O	KAl(SO_{4})_{2}.12H_{2}O	NNP
12787	3068	29	)	)	-RRB-
12787	3068	30	?	?	.
12787	3069	1	What	what	WP
12787	3069	2	will	will	MD
12787	3069	3	be	be	VB
12787	3069	4	the	the	DT
12787	3069	5	weight	weight	NN
12787	3069	6	of	of	IN
12787	3069	7	the	the	DT
12787	3069	8	ignited	ignited	JJ
12787	3069	9	precipitate	precipitate	NN
12787	3069	10	?	?	.
12787	3070	1	!	!	.
12787	3070	2	Answers	answer	NNS
12787	3070	3	!	!	.
12787	3071	1	:	:	:
12787	3071	2	2.26	2.26	CD
12787	3071	3	cc	cc	NNP
12787	3071	4	.	.	.
12787	3072	1	;	;	:
12787	3072	2	0.2154	0.2154	CD
12787	3072	3	gram	gram	NN
12787	3072	4	.	.	.
12787	3073	1	80	80	CD
12787	3073	2	.	.	.
12787	3074	1	What	what	WDT
12787	3074	2	volume	volume	NN
12787	3074	3	of	of	IN
12787	3074	4	nitric	nitric	JJ
12787	3074	5	acid	acid	NN
12787	3074	6	(	(	-LRB-
12787	3074	7	sp	sp	NNP
12787	3074	8	.	.	.
12787	3075	1	gr	gr	NNP
12787	3075	2	.	.	.
12787	3076	1	1.05	1.05	CD
12787	3076	2	containing	contain	VBG
12787	3076	3	9.0	9.0	CD
12787	3076	4	%	%	NN
12787	3076	5	HNO_{3	hno_{3	NN
12787	3076	6	}	}	-RRB-
12787	3076	7	by	by	IN
12787	3076	8	weight	weight	NN
12787	3076	9	)	)	-RRB-
12787	3076	10	is	be	VBZ
12787	3076	11	required	require	VBN
12787	3076	12	to	to	TO
12787	3076	13	oxidize	oxidize	VB
12787	3076	14	the	the	DT
12787	3076	15	iron	iron	NN
12787	3076	16	in	in	IN
12787	3076	17	one	one	CD
12787	3076	18	gram	gram	NN
12787	3076	19	of	of	IN
12787	3076	20	FeSO_{4}.7H_{2}O	FeSO_{4}.7H_{2}O	NNP
12787	3076	21	in	in	IN
12787	3076	22	the	the	DT
12787	3076	23	presence	presence	NN
12787	3076	24	of	of	IN
12787	3076	25	sulphuric	sulphuric	JJ
12787	3076	26	acid	acid	NN
12787	3076	27	?	?	.
12787	3077	1	6FeSO_{4	6feso_{4	LS
12787	3077	2	}	}	-RRB-
12787	3077	3	+	+	CD
12787	3077	4	2HNO_{3	2hno_{3	CD
12787	3077	5	}	}	-RRB-
12787	3077	6	+	+	SYM
12787	3077	7	3H_{2}SO_{4	3h_{2}so_{4	NN
12787	3077	8	}	}	-RRB-
12787	3077	9	=	=	SYM
12787	3077	10	3Fe_{2}(SO_{4})_{3	3fe_{2}(so_{4})_{3	CD
12787	3077	11	}	}	-RRB-
12787	3077	12	+	+	CC
12787	3077	13	2NO	2no	CD
12787	3077	14	+	+	SYM
12787	3077	15	4H_{2}O.	4h_{2}o.	CD
12787	3078	1	!	!	.
12787	3078	2	Answer	answer	VB
12787	3078	3	!	!	.
12787	3079	1	:	:	:
12787	3079	2	0.80	0.80	CD
12787	3079	3	cc	cc	NNP
12787	3079	4	.	.	.
12787	3080	1	81	81	CD
12787	3080	2	.	.	.
12787	3081	1	If	if	IN
12787	3081	2	0.7530	0.7530	CD
12787	3081	3	gram	gram	NN
12787	3081	4	of	of	IN
12787	3081	5	ferric	ferric	NNP
12787	3081	6	nitrate	nitrate	NNP
12787	3081	7	(	(	-LRB-
12787	3081	8	Fe(NO_{3})_{3}.9H_{2}O	Fe(NO_{3})_{3}.9H_{2}O	NNP
12787	3081	9	)	)	-RRB-
12787	3081	10	is	be	VBZ
12787	3081	11	dissolved	dissolve	VBN
12787	3081	12	in	in	IN
12787	3081	13	water	water	NN
12787	3081	14	and	and	CC
12787	3081	15	1.37	1.37	CD
12787	3081	16	cc	cc	NN
12787	3081	17	.	.	.
12787	3082	1	of	of	IN
12787	3082	2	HCl	HCl	NNP
12787	3082	3	(	(	-LRB-
12787	3082	4	sp	sp	NNP
12787	3082	5	.	.	.
12787	3083	1	gr	gr	NNP
12787	3083	2	.	.	.
12787	3084	1	1.11	1.11	CD
12787	3084	2	containing	contain	VBG
12787	3084	3	21.92	21.92	CD
12787	3084	4	%	%	NN
12787	3084	5	HCl	HCl	NNS
12787	3084	6	by	by	IN
12787	3084	7	weight	weight	NN
12787	3084	8	)	)	-RRB-
12787	3084	9	is	be	VBZ
12787	3084	10	added	add	VBN
12787	3084	11	,	,	,
12787	3084	12	how	how	WRB
12787	3084	13	many	many	JJ
12787	3084	14	cubic	cubic	JJ
12787	3084	15	centimeters	centimeter	NNS
12787	3084	16	of	of	IN
12787	3084	17	ammonia	ammonia	NNP
12787	3084	18	(	(	-LRB-
12787	3084	19	sp	sp	NNP
12787	3084	20	.	.	.
12787	3085	1	gr	gr	NNP
12787	3085	2	.	.	.
12787	3086	1	0.96	0.96	LS
12787	3086	2	containing	contain	VBG
12787	3086	3	9.91	9.91	CD
12787	3086	4	%	%	NN
12787	3086	5	NH_{3	nh_{3	NN
12787	3086	6	}	}	-RRB-
12787	3086	7	by	by	IN
12787	3086	8	weight	weight	NN
12787	3086	9	)	)	-RRB-
12787	3086	10	are	be	VBP
12787	3086	11	required	require	VBN
12787	3086	12	to	to	TO
12787	3086	13	neutralize	neutralize	VB
12787	3086	14	the	the	DT
12787	3086	15	acid	acid	NN
12787	3086	16	and	and	CC
12787	3086	17	precipitate	precipitate	VB
12787	3086	18	the	the	DT
12787	3086	19	iron	iron	NN
12787	3086	20	as	as	IN
12787	3086	21	ferric	ferric	NNP
12787	3086	22	hydroxide	hydroxide	NN
12787	3086	23	?	?	.
12787	3087	1	!	!	.
12787	3087	2	Answer	answer	VB
12787	3087	3	!	!	.
12787	3088	1	:	:	:
12787	3088	2	2.63	2.63	CD
12787	3088	3	cc	cc	NNP
12787	3088	4	.	.	.
12787	3089	1	82	82	CD
12787	3089	2	.	.	.
12787	3090	1	To	to	IN
12787	3090	2	a	a	DT
12787	3090	3	suspension	suspension	NN
12787	3090	4	of	of	IN
12787	3090	5	0.3100	0.3100	CD
12787	3090	6	gram	gram	NN
12787	3090	7	of	of	IN
12787	3090	8	Al(OH)_{3	Al(OH)_{3	NNP
12787	3090	9	}	}	-RRB-
12787	3090	10	in	in	IN
12787	3090	11	water	water	NN
12787	3090	12	are	be	VBP
12787	3090	13	added	add	VBN
12787	3090	14	13.00	13.00	CD
12787	3090	15	cc	cc	NNP
12787	3090	16	.	.	.
12787	3091	1	of	of	IN
12787	3091	2	aqueous	aqueous	JJ
12787	3091	3	ammonia	ammonia	NNP
12787	3091	4	(	(	-LRB-
12787	3091	5	sp	sp	NNP
12787	3091	6	.	.	.
12787	3092	1	gr	gr	NNP
12787	3092	2	.	.	.
12787	3093	1	0.90	0.90	CD
12787	3093	2	containing	contain	VBG
12787	3093	3	28.4	28.4	CD
12787	3093	4	%	%	NN
12787	3093	5	NH_{3	nh_{3	NN
12787	3093	6	}	}	-RRB-
12787	3093	7	by	by	IN
12787	3093	8	weight	weight	NN
12787	3093	9	)	)	-RRB-
12787	3093	10	.	.	.
12787	3094	1	How	how	WRB
12787	3094	2	many	many	JJ
12787	3094	3	cubic	cubic	JJ
12787	3094	4	centimeters	centimeter	NNS
12787	3094	5	of	of	IN
12787	3094	6	sulphuric	sulphuric	JJ
12787	3094	7	acid	acid	NNP
12787	3094	8	(	(	-LRB-
12787	3094	9	sp	sp	NNP
12787	3094	10	.	.	.
12787	3095	1	gr	gr	NNP
12787	3095	2	.	.	.
12787	3096	1	1.18	1.18	CD
12787	3096	2	containing	contain	VBG
12787	3096	3	24.7	24.7	CD
12787	3096	4	%	%	NN
12787	3096	5	H_{2}SO_{4	H_{2}SO_{4	NNP
12787	3096	6	}	}	-RRB-
12787	3096	7	by	by	IN
12787	3096	8	weight	weight	NN
12787	3096	9	)	)	-RRB-
12787	3096	10	must	must	MD
12787	3096	11	be	be	VB
12787	3096	12	added	add	VBN
12787	3096	13	to	to	IN
12787	3096	14	the	the	DT
12787	3096	15	mixture	mixture	NN
12787	3096	16	in	in	IN
12787	3096	17	order	order	NN
12787	3096	18	to	to	TO
12787	3096	19	bring	bring	VB
12787	3096	20	the	the	DT
12787	3096	21	aluminium	aluminium	NN
12787	3096	22	into	into	IN
12787	3096	23	solution	solution	NN
12787	3096	24	?	?	.
12787	3097	1	!	!	.
12787	3097	2	Answer	answer	VB
12787	3097	3	!	!	.
12787	3098	1	:	:	:
12787	3098	2	34.8	34.8	CD
12787	3098	3	cc	cc	NNP
12787	3098	4	.	.	.
12787	3099	1	83	83	CD
12787	3099	2	.	.	.
12787	3100	1	How	how	WRB
12787	3100	2	many	many	JJ
12787	3100	3	cubic	cubic	JJ
12787	3100	4	centimeters	centimeter	NNS
12787	3100	5	of	of	IN
12787	3100	6	sulphurous	sulphurous	JJ
12787	3100	7	acid	acid	NN
12787	3100	8	(	(	-LRB-
12787	3100	9	sp	sp	NNP
12787	3100	10	.	.	.
12787	3101	1	gr	gr	NNP
12787	3101	2	.	.	.
12787	3102	1	1.04	1.04	CD
12787	3102	2	containing	contain	VBG
12787	3102	3	75	75	CD
12787	3102	4	grams	gram	NNS
12787	3102	5	SO_{2	so_{2	VBP
12787	3102	6	}	}	-RRB-
12787	3102	7	per	per	IN
12787	3102	8	liter	liter	NN
12787	3102	9	)	)	-RRB-
12787	3102	10	are	be	VBP
12787	3102	11	required	require	VBN
12787	3102	12	to	to	TO
12787	3102	13	reduce	reduce	VB
12787	3102	14	the	the	DT
12787	3102	15	iron	iron	NN
12787	3102	16	in	in	IN
12787	3102	17	1	1	CD
12787	3102	18	gram	gram	NN
12787	3102	19	of	of	IN
12787	3102	20	ferric	ferric	NNP
12787	3102	21	alum	alum	NNP
12787	3102	22	(	(	-LRB-
12787	3102	23	KFe(SO_{4})_{2}.12H_{2}O	KFe(SO_{4})_{2}.12H_{2}O	NNP
12787	3102	24	)	)	-RRB-
12787	3102	25	?	?	.
12787	3103	1	Fe_{2}(SO_{4})_{3	Fe_{2}(SO_{4})_{3	NNP
12787	3103	2	}	}	-RRB-
12787	3103	3	+	+	NFP
12787	3103	4	SO_{2	so_{2	NN
12787	3103	5	}	}	-RRB-
12787	3103	6	+	+	CC
12787	3103	7	2H_{2}O	2h_{2}o	CD
12787	3103	8	=	=	SYM
12787	3103	9	2FeSO_{4	2feso_{4	CD
12787	3103	10	}	}	-RRB-
12787	3103	11	+	+	SYM
12787	3103	12	2H_{2}SO_{4	2h_{2}so_{4	CD
12787	3103	13	}	}	-RRB-
12787	3103	14	.	.	.
12787	3104	1	!	!	.
12787	3104	2	Answer	answer	VB
12787	3104	3	!	!	.
12787	3105	1	:	:	:
12787	3105	2	0.85	0.85	CD
12787	3105	3	cc	cc	NNP
12787	3105	4	.	.	.
12787	3106	1	84	84	CD
12787	3106	2	.	.	.
12787	3107	1	How	how	WRB
12787	3107	2	many	many	JJ
12787	3107	3	cubic	cubic	JJ
12787	3107	4	centimeters	centimeter	NNS
12787	3107	5	of	of	IN
12787	3107	6	a	a	DT
12787	3107	7	solution	solution	NN
12787	3107	8	of	of	IN
12787	3107	9	potassium	potassium	NN
12787	3107	10	bichromate	bichromate	NN
12787	3107	11	containing	contain	VBG
12787	3107	12	26.30	26.30	CD
12787	3107	13	grams	gram	NNS
12787	3107	14	of	of	IN
12787	3107	15	K_{2}Cr_{2}O_{7	k_{2}cr_{2}o_{7	NN
12787	3107	16	}	}	-RRB-
12787	3107	17	per	per	IN
12787	3107	18	liter	liter	NN
12787	3107	19	must	must	MD
12787	3107	20	be	be	VB
12787	3107	21	taken	take	VBN
12787	3107	22	in	in	IN
12787	3107	23	order	order	NN
12787	3107	24	to	to	TO
12787	3107	25	yield	yield	VB
12787	3107	26	0.6033	0.6033	CD
12787	3107	27	gram	gram	NN
12787	3107	28	of	of	IN
12787	3107	29	Cr_{2}O_{3	Cr_{2}O_{3	NNP
12787	3107	30	}	}	-RRB-
12787	3107	31	after	after	IN
12787	3107	32	reduction	reduction	NN
12787	3107	33	and	and	CC
12787	3107	34	precipitation	precipitation	NN
12787	3107	35	of	of	IN
12787	3107	36	the	the	DT
12787	3107	37	chromium	chromium	NN
12787	3107	38	?	?	.
12787	3108	1	K_{2}Cr_{2}O_{7	K_{2}Cr_{2}O_{7	NNP
12787	3108	2	}	}	-RRB-
12787	3108	3	+	+	SYM
12787	3108	4	3SO_{2	3SO_{2	NNP
12787	3108	5	}	}	-RRB-
12787	3108	6	+	+	CC
12787	3108	7	H_{2}SO_{4	H_{2}SO_{4	NNP
12787	3108	8	}	}	-RRB-
12787	3108	9	=	=	NFP
12787	3108	10	K_{2}SO_{4	K_{2}SO_{4	NNP
12787	3108	11	}	}	-RRB-
12787	3108	12	+	+	CC
12787	3108	13	Cr_{2}(SO_{4})_{3	cr_{2}(so_{4})_{3	NN
12787	3108	14	}	}	-RRB-
12787	3108	15	+	+	CC
12787	3108	16	H_{2}O.	h_{2}o.	ADD
12787	3109	1	!	!	.
12787	3109	2	Answer	answer	VB
12787	3109	3	!	!	.
12787	3110	1	:	:	:
12787	3110	2	44.39	44.39	CD
12787	3110	3	cc	cc	NNP
12787	3110	4	.	.	.
12787	3111	1	85	85	CD
12787	3111	2	.	.	.
12787	3112	1	How	how	WRB
12787	3112	2	many	many	JJ
12787	3112	3	cubic	cubic	JJ
12787	3112	4	centimeters	centimeter	NNS
12787	3112	5	of	of	IN
12787	3112	6	ammonium	ammonium	NN
12787	3112	7	hydroxide	hydroxide	NN
12787	3112	8	(	(	-LRB-
12787	3112	9	sp	sp	NNP
12787	3112	10	.	.	.
12787	3113	1	gr	gr	NNP
12787	3113	2	.	.	.
12787	3114	1	0.946	0.946	CD
12787	3114	2	containing	contain	VBG
12787	3114	3	13.88	13.88	CD
12787	3114	4	%	%	NN
12787	3114	5	NH_{3	nh_{3	NN
12787	3114	6	}	}	-RRB-
12787	3114	7	by	by	IN
12787	3114	8	weight	weight	NN
12787	3114	9	)	)	-RRB-
12787	3114	10	are	be	VBP
12787	3114	11	required	require	VBN
12787	3114	12	to	to	TO
12787	3114	13	precipitate	precipitate	VB
12787	3114	14	the	the	DT
12787	3114	15	iron	iron	NN
12787	3114	16	as	as	IN
12787	3114	17	Fe(OH)_{3	Fe(OH)_{3	NNP
12787	3114	18	}	}	-RRB-
12787	3114	19	from	from	IN
12787	3114	20	a	a	DT
12787	3114	21	sample	sample	NN
12787	3114	22	of	of	IN
12787	3114	23	pure	pure	JJ
12787	3114	24	FeSO_{4	feso_{4	NN
12787	3114	25	}	}	-RRB-
12787	3114	26	.	.	.
12787	3115	1	(	(	-LRB-
12787	3115	2	NH_{4})_{2}SO_{4}.6H_{2}O	NH_{4})_{2}SO_{4}.6H_{2}O	NNP
12787	3115	3	,	,	,
12787	3115	4	which	which	WDT
12787	3115	5	requires	require	VBZ
12787	3115	6	0.34	0.34	CD
12787	3115	7	cc	cc	NNP
12787	3115	8	.	.	.
12787	3116	1	of	of	IN
12787	3116	2	nitric	nitric	JJ
12787	3116	3	acid	acid	NNP
12787	3116	4	(	(	-LRB-
12787	3116	5	sp	sp	NNP
12787	3116	6	.	.	.
12787	3117	1	gr	gr	NNP
12787	3117	2	.	.	.
12787	3118	1	1.350	1.350	CD
12787	3118	2	containing	contain	VBG
12787	3118	3	55.79	55.79	CD
12787	3118	4	%	%	NN
12787	3118	5	HNO_{3	hno_{3	NN
12787	3118	6	}	}	-RRB-
12787	3118	7	by	by	IN
12787	3118	8	weight	weight	NN
12787	3118	9	)	)	-RRB-
12787	3118	10	for	for	IN
12787	3118	11	oxidation	oxidation	NN
12787	3118	12	of	of	IN
12787	3118	13	the	the	DT
12787	3118	14	iron	iron	NN
12787	3118	15	?	?	.
12787	3119	1	(	(	-LRB-
12787	3119	2	See	see	VB
12787	3119	3	problem	problem	NN
12787	3119	4	No	no	UH
12787	3119	5	.	.	.
12787	3120	1	80	80	CD
12787	3120	2	for	for	IN
12787	3120	3	reaction	reaction	NN
12787	3120	4	.	.	.
12787	3120	5	)	)	-RRB-
12787	3121	1	!	!	.
12787	3121	2	Answer	answer	VB
12787	3121	3	!	!	.
12787	3122	1	:	:	:
12787	3122	2	4.74	4.74	CD
12787	3122	3	cc	cc	NNP
12787	3122	4	.	.	.
12787	3123	1	86	86	CD
12787	3123	2	.	.	.
12787	3124	1	In	in	IN
12787	3124	2	the	the	DT
12787	3124	3	analysis	analysis	NN
12787	3124	4	of	of	IN
12787	3124	5	an	an	DT
12787	3124	6	iron	iron	NN
12787	3124	7	ore	ore	NN
12787	3124	8	by	by	IN
12787	3124	9	solution	solution	NN
12787	3124	10	,	,	,
12787	3124	11	oxidation	oxidation	NN
12787	3124	12	and	and	CC
12787	3124	13	precipitation	precipitation	NN
12787	3124	14	of	of	IN
12787	3124	15	the	the	DT
12787	3124	16	iron	iron	NN
12787	3124	17	as	as	IN
12787	3124	18	Fe(OH)_{3	Fe(OH)_{3	NNP
12787	3124	19	}	}	-RRB-
12787	3124	20	,	,	,
12787	3124	21	what	what	WP
12787	3124	22	weight	weight	NN
12787	3124	23	of	of	IN
12787	3124	24	sample	sample	NN
12787	3124	25	must	must	MD
12787	3124	26	be	be	VB
12787	3124	27	taken	take	VBN
12787	3124	28	for	for	IN
12787	3124	29	analysis	analysis	NN
12787	3124	30	so	so	IN
12787	3124	31	that	that	IN
12787	3124	32	each	each	DT
12787	3124	33	one	one	CD
12787	3124	34	hundredth	hundredth	JJ
12787	3124	35	of	of	IN
12787	3124	36	a	a	DT
12787	3124	37	gram	gram	NN
12787	3124	38	of	of	IN
12787	3124	39	the	the	DT
12787	3124	40	ignited	ignited	JJ
12787	3124	41	precipitate	precipitate	NN
12787	3124	42	of	of	IN
12787	3124	43	Fe_{2}O_{3	Fe_{2}O_{3	NNP
12787	3124	44	}	}	-RRB-
12787	3124	45	shall	shall	MD
12787	3124	46	represent	represent	VB
12787	3124	47	one	one	CD
12787	3124	48	tenth	tenth	NN
12787	3124	49	of	of	IN
12787	3124	50	one	one	CD
12787	3124	51	per	per	IN
12787	3124	52	cent	cent	NN
12787	3124	53	of	of	IN
12787	3124	54	iron	iron	NN
12787	3124	55	?	?	.
12787	3125	1	!	!	.
12787	3125	2	Answer	answer	VB
12787	3125	3	!	!	.
12787	3126	1	:	:	:
12787	3126	2	6.99	6.99	CD
12787	3126	3	grams	gram	NNS
12787	3126	4	.	.	.
12787	3127	1	87	87	CD
12787	3127	2	.	.	.
12787	3128	1	What	what	WP
12787	3128	2	weight	weight	NN
12787	3128	3	in	in	IN
12787	3128	4	grams	gram	NNS
12787	3128	5	of	of	IN
12787	3128	6	impure	impure	JJ
12787	3128	7	ferrous	ferrous	JJ
12787	3128	8	ammonium	ammonium	NN
12787	3128	9	sulphate	sulphate	NN
12787	3128	10	should	should	MD
12787	3128	11	be	be	VB
12787	3128	12	taken	take	VBN
12787	3128	13	for	for	IN
12787	3128	14	analysis	analysis	NN
12787	3128	15	so	so	IN
12787	3128	16	that	that	IN
12787	3128	17	the	the	DT
12787	3128	18	number	number	NN
12787	3128	19	of	of	IN
12787	3128	20	centigrams	centigram	NNS
12787	3128	21	of	of	IN
12787	3128	22	BaSO_{4	BaSO_{4	NNP
12787	3128	23	}	}	-RRB-
12787	3128	24	obtained	obtain	VBN
12787	3128	25	will	will	MD
12787	3128	26	represent	represent	VB
12787	3128	27	five	five	CD
12787	3128	28	times	time	NNS
12787	3128	29	the	the	DT
12787	3128	30	percentage	percentage	NN
12787	3128	31	of	of	IN
12787	3128	32	sulphur	sulphur	NNP
12787	3128	33	in	in	IN
12787	3128	34	the	the	DT
12787	3128	35	sample	sample	NN
12787	3128	36	?	?	.
12787	3129	1	!	!	.
12787	3129	2	Answer	answer	VB
12787	3129	3	!	!	.
12787	3130	1	:	:	:
12787	3130	2	0.6870	0.6870	CD
12787	3130	3	gram	gram	NN
12787	3130	4	.	.	.
12787	3131	1	88	88	CD
12787	3131	2	.	.	.
12787	3132	1	What	what	WDT
12787	3132	2	weight	weight	NN
12787	3132	3	of	of	IN
12787	3132	4	magnetite	magnetite	NN
12787	3132	5	must	must	MD
12787	3132	6	be	be	VB
12787	3132	7	taken	take	VBN
12787	3132	8	for	for	IN
12787	3132	9	analysis	analysis	NN
12787	3132	10	in	in	IN
12787	3132	11	order	order	NN
12787	3132	12	that	that	IN
12787	3132	13	,	,	,
12787	3132	14	after	after	IN
12787	3132	15	precipitating	precipitate	VBG
12787	3132	16	and	and	CC
12787	3132	17	igniting	ignite	VBG
12787	3132	18	all	all	PDT
12787	3132	19	the	the	DT
12787	3132	20	iron	iron	NN
12787	3132	21	to	to	IN
12787	3132	22	Fe_{2}O_{3	fe_{2}o_{3	JJ
12787	3132	23	}	}	-RRB-
12787	3132	24	,	,	,
12787	3132	25	the	the	DT
12787	3132	26	percentage	percentage	NN
12787	3132	27	of	of	IN
12787	3132	28	Fe_{2}O_{4	Fe_{2}O_{4	NNP
12787	3132	29	}	}	-RRB-
12787	3132	30	in	in	IN
12787	3132	31	the	the	DT
12787	3132	32	sample	sample	NN
12787	3132	33	may	may	MD
12787	3132	34	be	be	VB
12787	3132	35	found	find	VBN
12787	3132	36	by	by	IN
12787	3132	37	multiplying	multiply	VBG
12787	3132	38	the	the	DT
12787	3132	39	weight	weight	NN
12787	3132	40	in	in	IN
12787	3132	41	grams	gram	NNS
12787	3132	42	of	of	IN
12787	3132	43	the	the	DT
12787	3132	44	ignited	ignited	JJ
12787	3132	45	precipitate	precipitate	NN
12787	3132	46	by	by	IN
12787	3132	47	100	100	CD
12787	3132	48	?	?	.
12787	3133	1	!	!	.
12787	3133	2	Answer	answer	VB
12787	3133	3	!	!	.
12787	3134	1	:	:	:
12787	3134	2	0.9665	0.9665	CD
12787	3134	3	gram	gram	NN
12787	3134	4	.	.	.
12787	3135	1	89	89	CD
12787	3135	2	.	.	.
12787	3136	1	After	after	IN
12787	3136	2	oxidizing	oxidize	VBG
12787	3136	3	the	the	DT
12787	3136	4	arsenic	arsenic	JJ
12787	3136	5	in	in	IN
12787	3136	6	0.5000	0.5000	CD
12787	3136	7	gram	gram	NN
12787	3136	8	of	of	IN
12787	3136	9	pure	pure	JJ
12787	3136	10	As_{2}S_{3	as_{2}s_{3	CC
12787	3136	11	}	}	-RRB-
12787	3136	12	to	to	IN
12787	3136	13	arsenic	arsenic	JJ
12787	3136	14	acid	acid	NN
12787	3136	15	,	,	,
12787	3136	16	it	-PRON-	PRP
12787	3136	17	is	be	VBZ
12787	3136	18	precipitated	precipitate	VBN
12787	3136	19	with	with	IN
12787	3136	20	"	"	``
12787	3136	21	magnesia	magnesia	NNP
12787	3136	22	mixture	mixture	NN
12787	3136	23	"	"	''
12787	3136	24	(	(	-LRB-
12787	3136	25	MgCl_{2	MgCl_{2	NNP
12787	3136	26	}	}	-RRB-
12787	3136	27	+	+	SYM
12787	3136	28	2NH_{4}Cl	2nh_{4}cl	CD
12787	3136	29	)	)	-RRB-
12787	3136	30	.	.	.
12787	3137	1	If	if	IN
12787	3137	2	exactly	exactly	RB
12787	3137	3	12.6	12.6	CD
12787	3137	4	cc	cc	NN
12787	3137	5	.	.	.
12787	3138	1	of	of	IN
12787	3138	2	the	the	DT
12787	3138	3	mixture	mixture	NN
12787	3138	4	are	be	VBP
12787	3138	5	required	require	VBN
12787	3138	6	,	,	,
12787	3138	7	how	how	WRB
12787	3138	8	many	many	JJ
12787	3138	9	grams	gram	NNS
12787	3138	10	of	of	IN
12787	3138	11	MgCl_{2	MgCl_{2	NNS
12787	3138	12	}	}	-RRB-
12787	3138	13	per	per	IN
12787	3138	14	liter	liter	NN
12787	3138	15	does	do	VBZ
12787	3138	16	the	the	DT
12787	3138	17	solution	solution	NN
12787	3138	18	contain	contain	VB
12787	3138	19	?	?	.
12787	3139	1	H_{3}AsO_{4	H_{3}AsO_{4	NNP
12787	3139	2	}	}	-RRB-
12787	3139	3	+	+	SYM
12787	3139	4	MgCl_{2	MgCl_{2	NNP
12787	3139	5	}	}	-RRB-
12787	3139	6	+	+	CC
12787	3139	7	3NH_{4}OH	3nh_{4}oh	CD
12787	3139	8	=	=	SYM
12787	3139	9	MgNH_{4}AsO_{4	mgnh_{4}aso_{4	ADD
12787	3139	10	}	}	-RRB-
12787	3139	11	+	+	CC
12787	3139	12	2NH_{4}Cl	2nh_{4}cl	CD
12787	3139	13	+	+	SYM
12787	3139	14	3H_{2}O.	3h_{2}o.	CD
12787	3140	1	!	!	.
12787	3140	2	Answer	answer	VB
12787	3140	3	!	!	.
12787	3141	1	:	:	:
12787	3141	2	30.71	30.71	CD
12787	3141	3	grams	gram	NNS
12787	3141	4	.	.	.
12787	3142	1	90	90	CD
12787	3142	2	.	.	.
12787	3143	1	A	a	DT
12787	3143	2	sample	sample	NN
12787	3143	3	is	be	VBZ
12787	3143	4	prepared	prepare	VBN
12787	3143	5	for	for	IN
12787	3143	6	student	student	NN
12787	3143	7	analysis	analysis	NN
12787	3143	8	by	by	IN
12787	3143	9	mixing	mix	VBG
12787	3143	10	pure	pure	JJ
12787	3143	11	apatite	apatite	NNP
12787	3143	12	(	(	-LRB-
12787	3143	13	Ca_{3}(PO_{4})_{2}.CaCl_{2	Ca_{3}(PO_{4})_{2}.CaCl_{2	NNP
12787	3143	14	}	}	-RRB-
12787	3143	15	)	)	-RRB-
12787	3143	16	with	with	IN
12787	3143	17	an	an	DT
12787	3143	18	inert	inert	JJ
12787	3143	19	material	material	NN
12787	3143	20	.	.	.
12787	3144	1	If	if	IN
12787	3144	2	1	1	CD
12787	3144	3	gram	gram	NN
12787	3144	4	of	of	IN
12787	3144	5	the	the	DT
12787	3144	6	sample	sample	NN
12787	3144	7	gives	give	VBZ
12787	3144	8	0.4013	0.4013	CD
12787	3144	9	gram	gram	NN
12787	3144	10	of	of	IN
12787	3144	11	Mg_{2}P_{2}O_{7	mg_{2}p_{2}o_{7	NN
12787	3144	12	}	}	-RRB-
12787	3144	13	,	,	,
12787	3144	14	how	how	WRB
12787	3144	15	many	many	JJ
12787	3144	16	cubic	cubic	JJ
12787	3144	17	centimeters	centimeter	NNS
12787	3144	18	of	of	IN
12787	3144	19	ammonium	ammonium	NN
12787	3144	20	oxalate	oxalate	NN
12787	3144	21	solution	solution	NN
12787	3144	22	(	(	-LRB-
12787	3144	23	containing	contain	VBG
12787	3144	24	40	40	CD
12787	3144	25	grams	gram	NNS
12787	3144	26	of	of	IN
12787	3144	27	(	(	-LRB-
12787	3144	28	NH_{4})_{2}C_{2}O_{4}.H_{2}O	nh_{4})_{2}c_{2}o_{4}.h_{2}o	CD
12787	3144	29	per	per	IN
12787	3144	30	liter	liter	NN
12787	3144	31	)	)	-RRB-
12787	3144	32	would	would	MD
12787	3144	33	be	be	VB
12787	3144	34	required	require	VBN
12787	3144	35	to	to	TO
12787	3144	36	precipitate	precipitate	VB
12787	3144	37	the	the	DT
12787	3144	38	calcium	calcium	NN
12787	3144	39	from	from	IN
12787	3144	40	the	the	DT
12787	3144	41	same	same	JJ
12787	3144	42	weight	weight	NN
12787	3144	43	of	of	IN
12787	3144	44	sample	sample	NN
12787	3144	45	?	?	.
12787	3145	1	!	!	.
12787	3145	2	Answer	answer	VB
12787	3145	3	!	!	.
12787	3146	1	:	:	:
12787	3146	2	25.60	25.60	CD
12787	3146	3	cc	cc	NNP
12787	3146	4	.	.	.
12787	3147	1	91	91	CD
12787	3147	2	.	.	.
12787	3148	1	If	if	IN
12787	3148	2	0.6742	0.6742	CD
12787	3148	3	gram	gram	NN
12787	3148	4	of	of	IN
12787	3148	5	a	a	DT
12787	3148	6	mixture	mixture	NN
12787	3148	7	of	of	IN
12787	3148	8	pure	pure	JJ
12787	3148	9	magnesium	magnesium	NN
12787	3148	10	carbonate	carbonate	NN
12787	3148	11	and	and	CC
12787	3148	12	pure	pure	JJ
12787	3148	13	calcium	calcium	NN
12787	3148	14	carbonate	carbonate	NN
12787	3148	15	,	,	,
12787	3148	16	when	when	WRB
12787	3148	17	treated	treat	VBN
12787	3148	18	with	with	IN
12787	3148	19	an	an	DT
12787	3148	20	excess	excess	NN
12787	3148	21	of	of	IN
12787	3148	22	hydrochloric	hydrochloric	JJ
12787	3148	23	acid	acid	NN
12787	3148	24	,	,	,
12787	3148	25	yields	yield	NNS
12787	3148	26	0.3117	0.3117	CD
12787	3148	27	gram	gram	NN
12787	3148	28	of	of	IN
12787	3148	29	carbon	carbon	NN
12787	3148	30	dioxide	dioxide	NN
12787	3148	31	,	,	,
12787	3148	32	calculate	calculate	VB
12787	3148	33	the	the	DT
12787	3148	34	percentage	percentage	NN
12787	3148	35	of	of	IN
12787	3148	36	magnesium	magnesium	NN
12787	3148	37	oxide	oxide	NN
12787	3148	38	and	and	CC
12787	3148	39	of	of	IN
12787	3148	40	calcium	calcium	NN
12787	3148	41	oxide	oxide	NN
12787	3148	42	in	in	IN
12787	3148	43	the	the	DT
12787	3148	44	sample	sample	NN
12787	3148	45	.	.	.
12787	3149	1	!	!	.
12787	3149	2	Answers	answer	NNS
12787	3149	3	!	!	.
12787	3150	1	:	:	:
12787	3150	2	13.22	13.22	CD
12787	3150	3	%	%	NN
12787	3150	4	MgO	mgo	NN
12787	3150	5	;	;	:
12787	3150	6	40.54	40.54	CD
12787	3150	7	%	%	NN
12787	3150	8	CaO.	CaO.	NNP
12787	3151	1	92	92	CD
12787	3151	2	.	.	.
12787	3152	1	The	the	DT
12787	3152	2	calcium	calcium	NN
12787	3152	3	in	in	IN
12787	3152	4	a	a	DT
12787	3152	5	sample	sample	NN
12787	3152	6	of	of	IN
12787	3152	7	dolomite	dolomite	NN
12787	3152	8	weighing	weighing	NN
12787	3152	9	0.9380	0.9380	CD
12787	3152	10	gram	gram	NN
12787	3152	11	is	be	VBZ
12787	3152	12	precipitated	precipitate	VBN
12787	3152	13	as	as	IN
12787	3152	14	calcium	calcium	NN
12787	3152	15	oxalate	oxalate	NN
12787	3152	16	and	and	CC
12787	3152	17	ignited	ignite	VBD
12787	3152	18	to	to	TO
12787	3152	19	calcium	calcium	VB
12787	3152	20	oxide	oxide	NN
12787	3152	21	.	.	.
12787	3153	1	What	what	WDT
12787	3153	2	volume	volume	NN
12787	3153	3	of	of	IN
12787	3153	4	gas	gas	NN
12787	3153	5	,	,	,
12787	3153	6	measured	measure	VBN
12787	3153	7	over	over	IN
12787	3153	8	water	water	NN
12787	3153	9	at	at	IN
12787	3153	10	20Â	20â	CD
12787	3153	11	°	°	,
12787	3153	12	C	C	NNP
12787	3153	13	.	.	.
12787	3154	1	and	and	CC
12787	3154	2	765	765	CD
12787	3154	3	mm	mm	CD
12787	3154	4	.	.	.
12787	3155	1	pressure	pressure	NN
12787	3155	2	,	,	,
12787	3155	3	is	be	VBZ
12787	3155	4	given	give	VBN
12787	3155	5	off	off	RP
12787	3155	6	during	during	IN
12787	3155	7	ignition	ignition	NN
12787	3155	8	,	,	,
12787	3155	9	if	if	IN
12787	3155	10	the	the	DT
12787	3155	11	resulting	result	VBG
12787	3155	12	oxide	oxide	NN
12787	3155	13	weighs	weigh	VBZ
12787	3155	14	0.2606	0.2606	CD
12787	3155	15	gram	gram	NN
12787	3155	16	?	?	.
12787	3156	1	(	(	-LRB-
12787	3156	2	G.M.V.	G.M.V.	NNP
12787	3157	1	=	=	NFP
12787	3157	2	22.4	22.4	CD
12787	3157	3	liters	liter	NNS
12787	3157	4	;	;	:
12787	3157	5	V.P.	V.P.	NNP
12787	3158	1	water	water	NN
12787	3158	2	at	at	IN
12787	3158	3	20Â	20â	CD
12787	3158	4	°	°	,
12787	3158	5	C	C	NNP
12787	3158	6	.	.	.
12787	3159	1	=	=	NFP
12787	3159	2	17.4	17.4	CD
12787	3159	3	mm	mm	NNP
12787	3159	4	.	.	.
12787	3159	5	)	)	-RRB-
12787	3160	1	!	!	.
12787	3160	2	Answer	answer	VB
12787	3160	3	!	!	.
12787	3161	1	:	:	:
12787	3161	2	227	227	CD
12787	3161	3	cc	cc	NN
12787	3161	4	.	.	.
12787	3162	1	93	93	CD
12787	3162	2	.	.	.
12787	3163	1	A	a	DT
12787	3163	2	limestone	limestone	NN
12787	3163	3	is	be	VBZ
12787	3163	4	found	find	VBN
12787	3163	5	to	to	TO
12787	3163	6	contain	contain	VB
12787	3163	7	93.05	93.05	CD
12787	3163	8	%	%	NN
12787	3163	9	CaCO_{3	CaCO_{3	NNP
12787	3163	10	}	}	-RRB-
12787	3163	11	,	,	,
12787	3163	12	and	and	CC
12787	3163	13	5.16	5.16	CD
12787	3163	14	%	%	NN
12787	3163	15	MgCO_{3	mgco_{3	NN
12787	3163	16	}	}	-RRB-
12787	3163	17	.	.	.
12787	3164	1	Calculate	calculate	VB
12787	3164	2	the	the	DT
12787	3164	3	weight	weight	NN
12787	3164	4	of	of	IN
12787	3164	5	CaO	cao	NN
12787	3164	6	obtainable	obtainable	JJ
12787	3164	7	from	from	IN
12787	3164	8	3	3	CD
12787	3164	9	tons	ton	NNS
12787	3164	10	of	of	IN
12787	3164	11	the	the	DT
12787	3164	12	limestone	limestone	NN
12787	3164	13	,	,	,
12787	3164	14	assuming	assume	VBG
12787	3164	15	complete	complete	JJ
12787	3164	16	conversion	conversion	NN
12787	3164	17	to	to	IN
12787	3164	18	oxide	oxide	NN
12787	3164	19	.	.	.
12787	3165	1	What	what	WDT
12787	3165	2	weight	weight	NN
12787	3165	3	of	of	IN
12787	3165	4	Mg_{2}P_{2}O_{7	mg_{2}p_{2}o_{7	NN
12787	3165	5	}	}	-RRB-
12787	3165	6	could	could	MD
12787	3165	7	be	be	VB
12787	3165	8	obtained	obtain	VBN
12787	3165	9	from	from	IN
12787	3165	10	a	a	DT
12787	3165	11	3-gram	3-gram	CD
12787	3165	12	sample	sample	NN
12787	3165	13	of	of	IN
12787	3165	14	the	the	DT
12787	3165	15	limestone	limestone	NN
12787	3165	16	?	?	.
12787	3166	1	!	!	.
12787	3166	2	Answers	answer	NNS
12787	3166	3	!	!	.
12787	3167	1	:	:	:
12787	3167	2	1.565	1.565	CD
12787	3167	3	tons	ton	NNS
12787	3167	4	;	;	:
12787	3167	5	0.2044	0.2044	CD
12787	3167	6	gram	gram	NN
12787	3167	7	.	.	.
12787	3168	1	94	94	CD
12787	3168	2	.	.	.
12787	3169	1	A	a	DT
12787	3169	2	sample	sample	NN
12787	3169	3	of	of	IN
12787	3169	4	dolomite	dolomite	NN
12787	3169	5	is	be	VBZ
12787	3169	6	analyzed	analyze	VBN
12787	3169	7	for	for	IN
12787	3169	8	calcium	calcium	NN
12787	3169	9	by	by	IN
12787	3169	10	precipitating	precipitate	VBG
12787	3169	11	as	as	IN
12787	3169	12	the	the	DT
12787	3169	13	oxalate	oxalate	NN
12787	3169	14	and	and	CC
12787	3169	15	igniting	ignite	VBG
12787	3169	16	the	the	DT
12787	3169	17	precipitate	precipitate	NN
12787	3169	18	.	.	.
12787	3170	1	The	the	DT
12787	3170	2	ignited	ignited	JJ
12787	3170	3	product	product	NN
12787	3170	4	is	be	VBZ
12787	3170	5	assumed	assume	VBN
12787	3170	6	to	to	TO
12787	3170	7	be	be	VB
12787	3170	8	CaO	CaO	NNP
12787	3170	9	and	and	CC
12787	3170	10	the	the	DT
12787	3170	11	analyst	analyst	NN
12787	3170	12	reports	report	VBZ
12787	3170	13	29.50	29.50	CD
12787	3170	14	%	%	NN
12787	3170	15	Ca	Ca	NNP
12787	3170	16	in	in	IN
12787	3170	17	the	the	DT
12787	3170	18	sample	sample	NN
12787	3170	19	.	.	.
12787	3171	1	Owing	owe	VBG
12787	3171	2	to	to	IN
12787	3171	3	insufficient	insufficient	JJ
12787	3171	4	ignition	ignition	NN
12787	3171	5	,	,	,
12787	3171	6	the	the	DT
12787	3171	7	product	product	NN
12787	3171	8	actually	actually	RB
12787	3171	9	contained	contain	VBD
12787	3171	10	8	8	CD
12787	3171	11	%	%	NN
12787	3171	12	of	of	IN
12787	3171	13	its	-PRON-	PRP$
12787	3171	14	weight	weight	NN
12787	3171	15	of	of	IN
12787	3171	16	CaCO_{3	CaCO_{3	NNP
12787	3171	17	}	}	-RRB-
12787	3171	18	.	.	.
12787	3172	1	What	what	WP
12787	3172	2	is	be	VBZ
12787	3172	3	the	the	DT
12787	3172	4	correct	correct	JJ
12787	3172	5	percentage	percentage	NN
12787	3172	6	of	of	IN
12787	3172	7	calcium	calcium	NN
12787	3172	8	in	in	IN
12787	3172	9	the	the	DT
12787	3172	10	sample	sample	NN
12787	3172	11	,	,	,
12787	3172	12	and	and	CC
12787	3172	13	what	what	WP
12787	3172	14	is	be	VBZ
12787	3172	15	the	the	DT
12787	3172	16	percentage	percentage	NN
12787	3172	17	error	error	NN
12787	3172	18	?	?	.
12787	3173	1	!	!	.
12787	3173	2	Answers	answer	NNS
12787	3173	3	!	!	.
12787	3174	1	:	:	:
12787	3174	2	28.46	28.46	CD
12787	3174	3	%	%	NN
12787	3174	4	;	;	:
12787	3174	5	3.65	3.65	CD
12787	3174	6	%	%	NN
12787	3174	7	error	error	NN
12787	3174	8	.	.	.
12787	3175	1	95	95	CD
12787	3175	2	.	.	.
12787	3176	1	What	what	WDT
12787	3176	2	weight	weight	NN
12787	3176	3	of	of	IN
12787	3176	4	impure	impure	NN
12787	3176	5	calcite	calcite	NN
12787	3176	6	(	(	-LRB-
12787	3176	7	CaCO_{3	CaCO_{3	NNP
12787	3176	8	}	}	-RRB-
12787	3176	9	)	)	-RRB-
12787	3176	10	should	should	MD
12787	3176	11	be	be	VB
12787	3176	12	taken	take	VBN
12787	3176	13	for	for	IN
12787	3176	14	analysis	analysis	NN
12787	3176	15	so	so	IN
12787	3176	16	that	that	IN
12787	3176	17	the	the	DT
12787	3176	18	volume	volume	NN
12787	3176	19	in	in	IN
12787	3176	20	cubic	cubic	JJ
12787	3176	21	centimeters	centimeter	NNS
12787	3176	22	of	of	IN
12787	3176	23	CO_{2	CO_{2	NNP
12787	3176	24	}	}	-RRB-
12787	3176	25	obtained	obtain	VBN
12787	3176	26	by	by	IN
12787	3176	27	treating	treat	VBG
12787	3176	28	with	with	IN
12787	3176	29	acid	acid	NN
12787	3176	30	,	,	,
12787	3176	31	measured	measure	VBN
12787	3176	32	dry	dry	RB
12787	3176	33	at	at	IN
12787	3176	34	18Â	18Â	NNP
12787	3176	35	°	°	,
12787	3176	36	C	C	NNP
12787	3176	37	.	.	.
12787	3177	1	and	and	CC
12787	3177	2	763	763	CD
12787	3177	3	mm	mm	NNP
12787	3177	4	.	.	NNP
12787	3177	5	,	,	,
12787	3177	6	shall	shall	MD
12787	3177	7	equal	equal	VB
12787	3177	8	the	the	DT
12787	3177	9	percentage	percentage	NN
12787	3177	10	of	of	IN
12787	3177	11	CaO	cao	NN
12787	3177	12	in	in	IN
12787	3177	13	the	the	DT
12787	3177	14	sample	sample	NN
12787	3177	15	?	?	.
12787	3178	1	!	!	.
12787	3178	2	Answer	answer	VB
12787	3178	3	!	!	.
12787	3179	1	:	:	:
12787	3179	2	0.2359	0.2359	CD
12787	3179	3	gram	gram	NNP
12787	3179	4	.	.	.
12787	3180	1	96	96	CD
12787	3180	2	.	.	.
12787	3181	1	How	how	WRB
12787	3181	2	many	many	JJ
12787	3181	3	cubic	cubic	JJ
12787	3181	4	centimeters	centimeter	NNS
12787	3181	5	of	of	IN
12787	3181	6	HNO_{3	hno_{3	NN
12787	3181	7	}	}	-RRB-
12787	3181	8	(	(	-LRB-
12787	3181	9	sp	sp	NNP
12787	3181	10	.	.	.
12787	3182	1	gr	gr	NNP
12787	3182	2	.	.	.
12787	3183	1	1.13	1.13	CD
12787	3183	2	containing	contain	VBG
12787	3183	3	21.0	21.0	CD
12787	3183	4	%	%	NN
12787	3183	5	HNO_{3	hno_{3	NN
12787	3183	6	}	}	-RRB-
12787	3183	7	by	by	IN
12787	3183	8	weight	weight	NN
12787	3183	9	)	)	-RRB-
12787	3183	10	are	be	VBP
12787	3183	11	required	require	VBN
12787	3183	12	to	to	TO
12787	3183	13	dissolve	dissolve	VB
12787	3183	14	5	5	CD
12787	3183	15	grams	gram	NNS
12787	3183	16	of	of	IN
12787	3183	17	brass	brass	NN
12787	3183	18	,	,	,
12787	3183	19	containing	contain	VBG
12787	3183	20	0.61	0.61	CD
12787	3183	21	%	%	NN
12787	3183	22	Pb	Pb	NNP
12787	3183	23	,	,	,
12787	3183	24	24.39	24.39	CD
12787	3183	25	%	%	NN
12787	3183	26	Zn	Zn	NNP
12787	3183	27	,	,	,
12787	3183	28	and	and	CC
12787	3183	29	75	75	CD
12787	3183	30	%	%	NN
12787	3183	31	Cu	Cu	NNP
12787	3183	32	,	,	,
12787	3183	33	assuming	assume	VBG
12787	3183	34	reduction	reduction	NN
12787	3183	35	of	of	IN
12787	3183	36	the	the	DT
12787	3183	37	nitric	nitric	JJ
12787	3183	38	acid	acid	NN
12787	3183	39	to	to	IN
12787	3183	40	NO	no	NN
12787	3183	41	by	by	IN
12787	3183	42	each	each	DT
12787	3183	43	constituent	constituent	NN
12787	3183	44	?	?	.
12787	3184	1	What	what	WDT
12787	3184	2	fraction	fraction	NN
12787	3184	3	of	of	IN
12787	3184	4	this	this	DT
12787	3184	5	volume	volume	NN
12787	3184	6	of	of	IN
12787	3184	7	acid	acid	NN
12787	3184	8	is	be	VBZ
12787	3184	9	used	use	VBN
12787	3184	10	for	for	IN
12787	3184	11	oxidation	oxidation	NN
12787	3184	12	?	?	.
12787	3185	1	!	!	.
12787	3185	2	Answers	answer	NNS
12787	3185	3	!	!	.
12787	3186	1	:	:	:
12787	3186	2	55.06	55.06	CD
12787	3186	3	cc	cc	NNP
12787	3186	4	.	.	.
12787	3187	1	;	;	:
12787	3187	2	25	25	CD
12787	3187	3	%	%	NN
12787	3187	4	.	.	.
12787	3188	1	97	97	CD
12787	3188	2	.	.	.
12787	3189	1	What	what	WDT
12787	3189	2	weight	weight	NN
12787	3189	3	of	of	IN
12787	3189	4	metallic	metallic	JJ
12787	3189	5	copper	copper	NN
12787	3189	6	will	will	MD
12787	3189	7	be	be	VB
12787	3189	8	deposited	deposit	VBN
12787	3189	9	from	from	IN
12787	3189	10	a	a	DT
12787	3189	11	cupric	cupric	JJ
12787	3189	12	salt	salt	NN
12787	3189	13	solution	solution	NN
12787	3189	14	by	by	IN
12787	3189	15	a	a	DT
12787	3189	16	current	current	NN
12787	3189	17	of	of	IN
12787	3189	18	1.5	1.5	CD
12787	3189	19	amperes	ampere	NNS
12787	3189	20	during	during	IN
12787	3189	21	a	a	DT
12787	3189	22	period	period	NN
12787	3189	23	of	of	IN
12787	3189	24	45	45	CD
12787	3189	25	minutes	minute	NNS
12787	3189	26	,	,	,
12787	3189	27	assuming	assume	VBG
12787	3189	28	100	100	CD
12787	3189	29	%	%	NN
12787	3189	30	current	current	JJ
12787	3189	31	efficiency	efficiency	NN
12787	3189	32	?	?	.
12787	3190	1	(	(	-LRB-
12787	3190	2	1	1	CD
12787	3190	3	Faraday	Faraday	NNP
12787	3190	4	=	=	SYM
12787	3190	5	96,500	96,500	CD
12787	3190	6	coulombs	coulomb	NNS
12787	3190	7	.	.	.
12787	3190	8	)	)	-RRB-
12787	3191	1	!	!	.
12787	3191	2	Answer	answer	VB
12787	3191	3	!	!	.
12787	3192	1	:	:	:
12787	3192	2	1.335	1.335	CD
12787	3192	3	grams	gram	NNS
12787	3192	4	.	.	.
12787	3193	1	98	98	CD
12787	3193	2	.	.	.
12787	3194	1	In	in	IN
12787	3194	2	the	the	DT
12787	3194	3	electrolysis	electrolysis	NN
12787	3194	4	of	of	IN
12787	3194	5	a	a	DT
12787	3194	6	0.8000	0.8000	CD
12787	3194	7	gram	gram	NN
12787	3194	8	sample	sample	NN
12787	3194	9	of	of	IN
12787	3194	10	brass	brass	NN
12787	3194	11	,	,	,
12787	3194	12	there	there	EX
12787	3194	13	is	be	VBZ
12787	3194	14	obtained	obtain	VBN
12787	3194	15	0.0030	0.0030	CD
12787	3194	16	gram	gram	NN
12787	3194	17	of	of	IN
12787	3194	18	PbO_{2	PbO_{2	NNP
12787	3194	19	}	}	-RRB-
12787	3194	20	,	,	,
12787	3194	21	and	and	CC
12787	3194	22	a	a	DT
12787	3194	23	deposit	deposit	NN
12787	3194	24	of	of	IN
12787	3194	25	metallic	metallic	JJ
12787	3194	26	copper	copper	NN
12787	3194	27	exactly	exactly	RB
12787	3194	28	equal	equal	JJ
12787	3194	29	in	in	IN
12787	3194	30	weight	weight	NN
12787	3194	31	to	to	IN
12787	3194	32	the	the	DT
12787	3194	33	ignited	ignited	JJ
12787	3194	34	precipitate	precipitate	NN
12787	3194	35	of	of	IN
12787	3194	36	Zn_{2}P_{2}O_{7	zn_{2}p_{2}o_{7	NN
12787	3194	37	}	}	-RRB-
12787	3194	38	subsequently	subsequently	RB
12787	3194	39	obtained	obtain	VBN
12787	3194	40	from	from	IN
12787	3194	41	the	the	DT
12787	3194	42	solution	solution	NN
12787	3194	43	.	.	.
12787	3195	1	What	what	WP
12787	3195	2	is	be	VBZ
12787	3195	3	the	the	DT
12787	3195	4	percentage	percentage	NN
12787	3195	5	composition	composition	NN
12787	3195	6	of	of	IN
12787	3195	7	the	the	DT
12787	3195	8	brass	brass	NN
12787	3195	9	?	?	.
12787	3196	1	!	!	.
12787	3196	2	Answers	answer	NNS
12787	3196	3	!	!	.
12787	3197	1	:	:	:
12787	3197	2	69.75	69.75	CD
12787	3197	3	%	%	NN
12787	3197	4	Cu	cu	NN
12787	3197	5	;	;	:
12787	3197	6	29.92	29.92	CD
12787	3197	7	%	%	NN
12787	3197	8	Zn	Zn	NNP
12787	3197	9	;	;	:
12787	3197	10	0.33	0.33	CD
12787	3197	11	%	%	NN
12787	3197	12	Pb	Pb	NNP
12787	3197	13	.	.	.
12787	3198	1	99	99	CD
12787	3198	2	.	.	.
12787	3199	1	A	a	DT
12787	3199	2	sample	sample	NN
12787	3199	3	of	of	IN
12787	3199	4	brass	brass	NN
12787	3199	5	(	(	-LRB-
12787	3199	6	68.90	68.90	CD
12787	3199	7	%	%	NN
12787	3199	8	Cu	cu	NN
12787	3199	9	;	;	:
12787	3199	10	1.10	1.10	CD
12787	3199	11	%	%	NN
12787	3199	12	Pb	Pb	NNP
12787	3199	13	and	and	CC
12787	3199	14	30.00	30.00	CD
12787	3199	15	%	%	NN
12787	3199	16	Zn	Zn	NNP
12787	3199	17	)	)	-RRB-
12787	3199	18	weighing	weigh	VBG
12787	3199	19	0.9400	0.9400	CD
12787	3199	20	gram	gram	NN
12787	3199	21	is	be	VBZ
12787	3199	22	dissolved	dissolve	VBN
12787	3199	23	in	in	IN
12787	3199	24	nitric	nitric	JJ
12787	3199	25	acid	acid	NN
12787	3199	26	.	.	.
12787	3200	1	The	the	DT
12787	3200	2	lead	lead	NN
12787	3200	3	is	be	VBZ
12787	3200	4	determined	determine	VBN
12787	3200	5	by	by	IN
12787	3200	6	weighing	weigh	VBG
12787	3200	7	as	as	IN
12787	3200	8	PbSO_{4	PbSO_{4	NNP
12787	3200	9	}	}	-RRB-
12787	3200	10	,	,	,
12787	3200	11	the	the	DT
12787	3200	12	copper	copper	NN
12787	3200	13	by	by	IN
12787	3200	14	electrolysis	electrolysis	NN
12787	3200	15	and	and	CC
12787	3200	16	the	the	DT
12787	3200	17	zinc	zinc	NN
12787	3200	18	by	by	IN
12787	3200	19	precipitation	precipitation	NN
12787	3200	20	with	with	IN
12787	3200	21	(	(	-LRB-
12787	3200	22	NH_{4})_{2}HPO_{4	NH_{4})_{2}HPO_{4	NNP
12787	3200	23	}	}	-RRB-
12787	3200	24	in	in	IN
12787	3200	25	a	a	DT
12787	3200	26	neutral	neutral	JJ
12787	3200	27	solution	solution	NN
12787	3200	28	.	.	.
12787	3201	1	(	(	-LRB-
12787	3201	2	a	a	LS
12787	3201	3	)	)	-RRB-
12787	3201	4	Calculate	calculate	VB
12787	3201	5	the	the	DT
12787	3201	6	cubic	cubic	JJ
12787	3201	7	centimeters	centimeter	NNS
12787	3201	8	of	of	IN
12787	3201	9	nitric	nitric	JJ
12787	3201	10	acid	acid	NN
12787	3201	11	(	(	-LRB-
12787	3201	12	sp	sp	NNP
12787	3201	13	.	.	.
12787	3202	1	gr	gr	NNP
12787	3202	2	.	.	.
12787	3203	1	1.42	1.42	CD
12787	3203	2	containing	contain	VBG
12787	3203	3	69.90	69.90	CD
12787	3203	4	%	%	NN
12787	3203	5	HNO_{3	hno_{3	NN
12787	3203	6	}	}	-RRB-
12787	3203	7	by	by	IN
12787	3203	8	weight	weight	NN
12787	3203	9	)	)	-RRB-
12787	3203	10	required	require	VBD
12787	3203	11	to	to	TO
12787	3203	12	just	just	RB
12787	3203	13	dissolve	dissolve	VB
12787	3203	14	the	the	DT
12787	3203	15	brass	brass	NN
12787	3203	16	,	,	,
12787	3203	17	assuming	assume	VBG
12787	3203	18	reduction	reduction	NN
12787	3203	19	to	to	IN
12787	3203	20	NO	NO	NNP
12787	3203	21	.	.	.
12787	3204	1	!	!	.
12787	3204	2	Answer	answer	VB
12787	3204	3	!	!	.
12787	3205	1	:	:	:
12787	3205	2	2.48	2.48	CD
12787	3205	3	cc	cc	NNP
12787	3205	4	.	.	.
12787	3206	1	(	(	-LRB-
12787	3206	2	b	b	LS
12787	3206	3	)	)	-RRB-
12787	3206	4	Calculate	calculate	VB
12787	3206	5	the	the	DT
12787	3206	6	cubic	cubic	JJ
12787	3206	7	centimeters	centimeter	NNS
12787	3206	8	of	of	IN
12787	3206	9	sulphuric	sulphuric	JJ
12787	3206	10	acid	acid	NNP
12787	3206	11	(	(	-LRB-
12787	3206	12	sp	sp	NNP
12787	3206	13	.	.	.
12787	3207	1	gr	gr	NNP
12787	3207	2	.	.	.
12787	3208	1	1.84	1.84	CD
12787	3208	2	containing	contain	VBG
12787	3208	3	94	94	CD
12787	3208	4	%	%	NN
12787	3208	5	H_{2}SO_{4	H_{2}SO_{4	NNS
12787	3208	6	}	}	-RRB-
12787	3208	7	by	by	IN
12787	3208	8	weight	weight	NN
12787	3208	9	)	)	-RRB-
12787	3208	10	to	to	TO
12787	3208	11	displace	displace	VB
12787	3208	12	the	the	DT
12787	3208	13	nitric	nitric	JJ
12787	3208	14	acid	acid	NN
12787	3208	15	.	.	.
12787	3209	1	!	!	.
12787	3209	2	Answer	answer	VB
12787	3209	3	!	!	.
12787	3210	1	:	:	:
12787	3210	2	0.83	0.83	CD
12787	3210	3	cc	cc	NNP
12787	3210	4	.	.	.
12787	3211	1	(	(	-LRB-
12787	3211	2	c	c	NN
12787	3211	3	)	)	-RRB-
12787	3211	4	Calculate	calculate	VB
12787	3211	5	the	the	DT
12787	3211	6	weight	weight	NN
12787	3211	7	of	of	IN
12787	3211	8	PbSO_{4	PbSO_{4	NNP
12787	3211	9	}	}	-RRB-
12787	3211	10	.	.	.
12787	3212	1	!	!	.
12787	3212	2	Answer	answer	VB
12787	3212	3	!	!	.
12787	3213	1	:	:	:
12787	3213	2	0.0152	0.0152	CD
12787	3213	3	gram	gram	NN
12787	3213	4	.	.	.
12787	3214	1	(	(	-LRB-
12787	3214	2	d	d	LS
12787	3214	3	)	)	-RRB-
12787	3214	4	The	the	DT
12787	3214	5	clean	clean	JJ
12787	3214	6	electrode	electrode	NN
12787	3214	7	weighs	weigh	VBZ
12787	3214	8	10.9640	10.9640	CD
12787	3214	9	grams	gram	NNS
12787	3214	10	.	.	.
12787	3215	1	Calculate	calculate	VB
12787	3215	2	the	the	DT
12787	3215	3	weight	weight	NN
12787	3215	4	after	after	IN
12787	3215	5	the	the	DT
12787	3215	6	copper	copper	NN
12787	3215	7	has	have	VBZ
12787	3215	8	been	be	VBN
12787	3215	9	deposited	deposit	VBN
12787	3215	10	.	.	.
12787	3216	1	!	!	.
12787	3216	2	Answer	answer	VB
12787	3216	3	!	!	.
12787	3217	1	:	:	:
12787	3217	2	11.6116	11.6116	CD
12787	3217	3	grams	gram	NNS
12787	3217	4	.	.	.
12787	3218	1	(	(	-LRB-
12787	3218	2	e	e	LS
12787	3218	3	)	)	-RRB-
12787	3218	4	Calculate	calculate	VB
12787	3218	5	the	the	DT
12787	3218	6	grams	gram	NNS
12787	3218	7	of	of	IN
12787	3218	8	(	(	-LRB-
12787	3218	9	NH_{4})_{2}HPO_{4	NH_{4})_{2}HPO_{4	NNP
12787	3218	10	}	}	-RRB-
12787	3218	11	required	require	VBN
12787	3218	12	to	to	TO
12787	3218	13	precipitate	precipitate	VB
12787	3218	14	the	the	DT
12787	3218	15	zinc	zinc	NN
12787	3218	16	as	as	IN
12787	3218	17	ZnNH_{4}PO_{4	ZnNH_{4}PO_{4	NNP
12787	3218	18	}	}	-RRB-
12787	3218	19	.	.	.
12787	3219	1	!	!	.
12787	3219	2	Answer	answer	VB
12787	3219	3	!	!	.
12787	3220	1	:	:	:
12787	3220	2	0.5705	0.5705	CD
12787	3220	3	gram	gram	NN
12787	3220	4	.	.	.
12787	3221	1	(	(	-LRB-
12787	3221	2	f	f	LS
12787	3221	3	)	)	-RRB-
12787	3221	4	Calculate	calculate	VB
12787	3221	5	the	the	DT
12787	3221	6	weight	weight	NN
12787	3221	7	of	of	IN
12787	3221	8	ignited	ignited	JJ
12787	3221	9	Zn_{2}P_{2}O_{7	zn_{2}p_{2}o_{7	NN
12787	3221	10	}	}	-RRB-
12787	3221	11	.	.	.
12787	3222	1	!	!	.
12787	3222	2	Answer	answer	VB
12787	3222	3	!	!	.
12787	3223	1	:	:	:
12787	3223	2	0.6573	0.6573	CD
12787	3223	3	gram	gram	NN
12787	3223	4	.	.	.
12787	3224	1	100	100	CD
12787	3224	2	.	.	.
12787	3225	1	If	if	IN
12787	3225	2	in	in	IN
12787	3225	3	the	the	DT
12787	3225	4	analysis	analysis	NN
12787	3225	5	of	of	IN
12787	3225	6	a	a	DT
12787	3225	7	brass	brass	NN
12787	3225	8	containing	contain	VBG
12787	3225	9	28.00	28.00	CD
12787	3225	10	%	%	NN
12787	3225	11	zinc	zinc	NN
12787	3225	12	an	an	DT
12787	3225	13	error	error	NN
12787	3225	14	is	be	VBZ
12787	3225	15	made	make	VBN
12787	3225	16	in	in	IN
12787	3225	17	weighing	weigh	VBG
12787	3225	18	a	a	DT
12787	3225	19	2.5	2.5	CD
12787	3225	20	gram	gram	NN
12787	3225	21	portion	portion	NN
12787	3225	22	by	by	IN
12787	3225	23	which	which	WDT
12787	3225	24	0.001	0.001	CD
12787	3225	25	gram	gram	NN
12787	3225	26	too	too	RB
12787	3225	27	much	much	JJ
12787	3225	28	is	be	VBZ
12787	3225	29	weighed	weigh	VBN
12787	3225	30	out	out	RP
12787	3225	31	,	,	,
12787	3225	32	what	what	WDT
12787	3225	33	percentage	percentage	NN
12787	3225	34	error	error	NN
12787	3225	35	in	in	IN
12787	3225	36	the	the	DT
12787	3225	37	zinc	zinc	NN
12787	3225	38	determination	determination	NN
12787	3225	39	would	would	MD
12787	3225	40	result	result	VB
12787	3225	41	?	?	.
12787	3226	1	What	what	WDT
12787	3226	2	volume	volume	NN
12787	3226	3	of	of	IN
12787	3226	4	a	a	DT
12787	3226	5	solution	solution	NN
12787	3226	6	of	of	IN
12787	3226	7	sodium	sodium	NN
12787	3226	8	hydrogen	hydrogen	NN
12787	3226	9	phosphate	phosphate	NN
12787	3226	10	,	,	,
12787	3226	11	containing	contain	VBG
12787	3226	12	90	90	CD
12787	3226	13	grams	gram	NNS
12787	3226	14	of	of	IN
12787	3226	15	Na_{2}HPO_{4}.12H_{2}O	Na_{2}HPO_{4}.12H_{2}O	NNS
12787	3226	16	per	per	IN
12787	3226	17	liter	liter	NN
12787	3226	18	,	,	,
12787	3226	19	would	would	MD
12787	3226	20	be	be	VB
12787	3226	21	required	require	VBN
12787	3226	22	to	to	TO
12787	3226	23	precipitate	precipitate	VB
12787	3226	24	the	the	DT
12787	3226	25	zinc	zinc	NN
12787	3226	26	as	as	IN
12787	3226	27	ZnNH_{4}PO_{4	ZnNH_{4}PO_{4	NNP
12787	3226	28	}	}	-RRB-
12787	3226	29	and	and	CC
12787	3226	30	what	what	WP
12787	3226	31	weight	weight	NN
12787	3226	32	of	of	IN
12787	3226	33	precipitate	precipitate	NN
12787	3226	34	would	would	MD
12787	3226	35	be	be	VB
12787	3226	36	obtained	obtain	VBN
12787	3226	37	?	?	.
12787	3227	1	!	!	.
12787	3227	2	Answers	answer	NNS
12787	3227	3	!	!	.
12787	3228	1	:	:	:
12787	3228	2	(	(	-LRB-
12787	3228	3	a	a	DT
12787	3228	4	)	)	-RRB-
12787	3228	5	0.04	0.04	CD
12787	3228	6	%	%	NN
12787	3228	7	error	error	NN
12787	3228	8	;	;	:
12787	3228	9	(	(	-LRB-
12787	3228	10	b	b	NN
12787	3228	11	)	)	-RRB-
12787	3228	12	39.97	39.97	CD
12787	3228	13	cc	cc	NNP
12787	3228	14	.	.	.
12787	3229	1	;	;	:
12787	3229	2	(	(	-LRB-
12787	3229	3	c	c	NN
12787	3229	4	)	)	-RRB-
12787	3229	5	1.909	1.909	CD
12787	3229	6	grams	gram	NNS
12787	3229	7	.	.	.
12787	3230	1	101	101	CD
12787	3230	2	.	.	.
12787	3231	1	A	a	DT
12787	3231	2	sample	sample	NN
12787	3231	3	of	of	IN
12787	3231	4	magnesium	magnesium	NN
12787	3231	5	carbonate	carbonate	NN
12787	3231	6	,	,	,
12787	3231	7	contaminated	contaminate	VBN
12787	3231	8	with	with	IN
12787	3231	9	SiO_{2	SiO_{2	NNP
12787	3231	10	}	}	-RRB-
12787	3231	11	as	as	IN
12787	3231	12	its	-PRON-	PRP$
12787	3231	13	only	only	JJ
12787	3231	14	impurity	impurity	NN
12787	3231	15	,	,	,
12787	3231	16	weighs	weigh	VBZ
12787	3231	17	0.5000	0.5000	CD
12787	3231	18	gram	gram	NN
12787	3231	19	and	and	CC
12787	3231	20	loses	lose	VBZ
12787	3231	21	0.1000	0.1000	CD
12787	3231	22	gram	gram	NN
12787	3231	23	on	on	IN
12787	3231	24	ignition	ignition	NN
12787	3231	25	.	.	.
12787	3232	1	What	what	WDT
12787	3232	2	volume	volume	NN
12787	3232	3	of	of	IN
12787	3232	4	disodium	disodium	NN
12787	3232	5	phosphate	phosphate	NN
12787	3232	6	solution	solution	NN
12787	3232	7	(	(	-LRB-
12787	3232	8	containing	contain	VBG
12787	3232	9	90	90	CD
12787	3232	10	grams	gram	NNS
12787	3232	11	Na_{2}HPO_{4}.12H_{2}O	na_{2}hpo_{4}.12h_{2}o	JJ
12787	3232	12	per	per	IN
12787	3232	13	liter	liter	NN
12787	3232	14	)	)	-RRB-
12787	3232	15	will	will	MD
12787	3232	16	be	be	VB
12787	3232	17	required	require	VBN
12787	3232	18	to	to	TO
12787	3232	19	precipitate	precipitate	VB
12787	3232	20	the	the	DT
12787	3232	21	magnesium	magnesium	NN
12787	3232	22	as	as	IN
12787	3232	23	magnesium	magnesium	NN
12787	3232	24	ammonium	ammonium	NN
12787	3232	25	phosphate	phosphate	NN
12787	3232	26	?	?	.
12787	3233	1	!	!	.
12787	3233	2	Answer	answer	VB
12787	3233	3	!	!	.
12787	3234	1	:	:	:
12787	3234	2	9.07	9.07	CD
12787	3234	3	cc	cc	NNP
12787	3234	4	.	.	.
12787	3235	1	102	102	CD
12787	3235	2	.	.	.
12787	3236	1	2.62	2.62	CD
12787	3236	2	cubic	cubic	JJ
12787	3236	3	centimeters	centimeter	NNS
12787	3236	4	of	of	IN
12787	3236	5	nitric	nitric	JJ
12787	3236	6	acid	acid	NN
12787	3236	7	(	(	-LRB-
12787	3236	8	sp	sp	NNP
12787	3236	9	.	.	.
12787	3237	1	gr	gr	NNP
12787	3237	2	.	.	.
12787	3238	1	1.42	1.42	CD
12787	3238	2	containing	contain	VBG
12787	3238	3	69.80	69.80	CD
12787	3238	4	%	%	NN
12787	3238	5	HNO_{2	HNO_{2	NNS
12787	3238	6	}	}	-RRB-
12787	3238	7	by	by	IN
12787	3238	8	weight	weight	NN
12787	3238	9	)	)	-RRB-
12787	3238	10	are	be	VBP
12787	3238	11	required	require	VBN
12787	3238	12	to	to	TO
12787	3238	13	just	just	RB
12787	3238	14	dissolve	dissolve	VB
12787	3238	15	a	a	DT
12787	3238	16	sample	sample	NN
12787	3238	17	of	of	IN
12787	3238	18	brass	brass	NN
12787	3238	19	containing	contain	VBG
12787	3238	20	69.27	69.27	CD
12787	3238	21	%	%	NN
12787	3238	22	Cu	cu	NN
12787	3238	23	;	;	:
12787	3238	24	0.05	0.05	CD
12787	3238	25	%	%	NN
12787	3238	26	Pb	Pb	NNP
12787	3238	27	;	;	:
12787	3238	28	0.07	0.07	CD
12787	3238	29	%	%	NN
12787	3238	30	Fe	fe	NN
12787	3238	31	;	;	:
12787	3238	32	and	and	CC
12787	3238	33	30.61	30.61	CD
12787	3238	34	%	%	NN
12787	3238	35	Zn	Zn	NNP
12787	3238	36	.	.	.
12787	3239	1	Assuming	assume	VBG
12787	3239	2	the	the	DT
12787	3239	3	acid	acid	NN
12787	3239	4	used	use	VBN
12787	3239	5	as	as	IN
12787	3239	6	oxidizing	oxidizing	JJ
12787	3239	7	agent	agent	NN
12787	3239	8	was	be	VBD
12787	3239	9	reduced	reduce	VBN
12787	3239	10	to	to	IN
12787	3239	11	NO	NO	NNP
12787	3239	12	in	in	IN
12787	3239	13	every	every	DT
12787	3239	14	case	case	NN
12787	3239	15	,	,	,
12787	3239	16	calculate	calculate	VB
12787	3239	17	the	the	DT
12787	3239	18	weight	weight	NN
12787	3239	19	of	of	IN
12787	3239	20	the	the	DT
12787	3239	21	brass	brass	NN
12787	3239	22	and	and	CC
12787	3239	23	the	the	DT
12787	3239	24	cubic	cubic	JJ
12787	3239	25	centimeters	centimeter	NNS
12787	3239	26	of	of	IN
12787	3239	27	acid	acid	NN
12787	3239	28	used	use	VBN
12787	3239	29	as	as	IN
12787	3239	30	acid	acid	NN
12787	3239	31	.	.	.
12787	3240	1	!	!	.
12787	3240	2	Answer	answer	VB
12787	3240	3	!	!	.
12787	3241	1	:	:	:
12787	3241	2	0.992	0.992	CD
12787	3241	3	gram	gram	NNP
12787	3241	4	;	;	:
12787	3241	5	1.97	1.97	CD
12787	3241	6	cc	cc	NN
12787	3241	7	.	.	.
12787	3242	1	103	103	CD
12787	3242	2	.	.	.
12787	3243	1	One	one	CD
12787	3243	2	gram	gram	NN
12787	3243	3	of	of	IN
12787	3243	4	a	a	DT
12787	3243	5	mixture	mixture	NN
12787	3243	6	of	of	IN
12787	3243	7	silver	silver	NN
12787	3243	8	chloride	chloride	NN
12787	3243	9	and	and	CC
12787	3243	10	silver	silver	NN
12787	3243	11	bromide	bromide	NN
12787	3243	12	is	be	VBZ
12787	3243	13	found	find	VBN
12787	3243	14	to	to	TO
12787	3243	15	contain	contain	VB
12787	3243	16	0.6635	0.6635	CD
12787	3243	17	gram	gram	NN
12787	3243	18	of	of	IN
12787	3243	19	silver	silver	NN
12787	3243	20	.	.	.
12787	3244	1	What	what	WP
12787	3244	2	is	be	VBZ
12787	3244	3	the	the	DT
12787	3244	4	percentage	percentage	NN
12787	3244	5	of	of	IN
12787	3244	6	bromine	bromine	NN
12787	3244	7	?	?	.
12787	3245	1	!	!	.
12787	3245	2	Answer	answer	VB
12787	3245	3	!	!	.
12787	3246	1	:	:	:
12787	3246	2	21.30	21.30	CD
12787	3246	3	%	%	NN
12787	3246	4	.	.	.
12787	3247	1	104	104	CD
12787	3247	2	.	.	.
12787	3248	1	A	a	DT
12787	3248	2	precipitate	precipitate	NN
12787	3248	3	of	of	IN
12787	3248	4	silver	silver	NN
12787	3248	5	chloride	chloride	NN
12787	3248	6	and	and	CC
12787	3248	7	silver	silver	NN
12787	3248	8	bromide	bromide	NN
12787	3248	9	weighs	weigh	VBZ
12787	3248	10	0.8132	0.8132	CD
12787	3248	11	gram	gram	NN
12787	3248	12	.	.	.
12787	3249	1	On	on	IN
12787	3249	2	heating	heating	NN
12787	3249	3	in	in	IN
12787	3249	4	a	a	DT
12787	3249	5	current	current	NN
12787	3249	6	of	of	IN
12787	3249	7	chlorine	chlorine	NN
12787	3249	8	,	,	,
12787	3249	9	the	the	DT
12787	3249	10	silver	silver	NN
12787	3249	11	bromide	bromide	NN
12787	3249	12	is	be	VBZ
12787	3249	13	converted	convert	VBN
12787	3249	14	to	to	IN
12787	3249	15	silver	silver	NN
12787	3249	16	chloride	chloride	NN
12787	3249	17	,	,	,
12787	3249	18	and	and	CC
12787	3249	19	the	the	DT
12787	3249	20	mixture	mixture	NN
12787	3249	21	loses	lose	VBZ
12787	3249	22	0.1450	0.1450	CD
12787	3249	23	gram	gram	NN
12787	3249	24	in	in	IN
12787	3249	25	weight	weight	NN
12787	3249	26	.	.	.
12787	3250	1	Calculate	calculate	VB
12787	3250	2	the	the	DT
12787	3250	3	percentage	percentage	NN
12787	3250	4	of	of	IN
12787	3250	5	chlorine	chlorine	NN
12787	3250	6	in	in	IN
12787	3250	7	the	the	DT
12787	3250	8	original	original	JJ
12787	3250	9	precipitate	precipitate	NN
12787	3250	10	.	.	.
12787	3251	1	!	!	.
12787	3251	2	Answer	answer	VB
12787	3251	3	!	!	.
12787	3252	1	:	:	:
12787	3252	2	6.13	6.13	CD
12787	3252	3	%	%	NN
12787	3252	4	.	.	.
12787	3253	1	105	105	CD
12787	3253	2	.	.	.
12787	3254	1	A	a	DT
12787	3254	2	sample	sample	NN
12787	3254	3	of	of	IN
12787	3254	4	feldspar	feldspar	NN
12787	3254	5	weighing	weigh	VBG
12787	3254	6	1.000	1.000	CD
12787	3254	7	gram	gram	NN
12787	3254	8	is	be	VBZ
12787	3254	9	fused	fuse	VBN
12787	3254	10	and	and	CC
12787	3254	11	the	the	DT
12787	3254	12	silica	silica	NN
12787	3254	13	determined	determine	VBD
12787	3254	14	.	.	.
12787	3255	1	The	the	DT
12787	3255	2	weight	weight	NN
12787	3255	3	of	of	IN
12787	3255	4	silica	silica	NN
12787	3255	5	is	be	VBZ
12787	3255	6	0.6460	0.6460	CD
12787	3255	7	gram	gram	NN
12787	3255	8	.	.	.
12787	3256	1	This	this	DT
12787	3256	2	is	be	VBZ
12787	3256	3	fused	fuse	VBN
12787	3256	4	with	with	IN
12787	3256	5	4	4	CD
12787	3256	6	grams	gram	NNS
12787	3256	7	of	of	IN
12787	3256	8	sodium	sodium	NN
12787	3256	9	carbonate	carbonate	NN
12787	3256	10	.	.	.
12787	3257	1	How	how	WRB
12787	3257	2	many	many	JJ
12787	3257	3	grams	gram	NNS
12787	3257	4	of	of	IN
12787	3257	5	the	the	DT
12787	3257	6	carbonate	carbonate	NN
12787	3257	7	actually	actually	RB
12787	3257	8	combined	combine	VBN
12787	3257	9	with	with	IN
12787	3257	10	the	the	DT
12787	3257	11	silica	silica	NN
12787	3257	12	in	in	IN
12787	3257	13	fusion	fusion	NN
12787	3257	14	,	,	,
12787	3257	15	and	and	CC
12787	3257	16	what	what	WP
12787	3257	17	was	be	VBD
12787	3257	18	the	the	DT
12787	3257	19	loss	loss	NN
12787	3257	20	in	in	IN
12787	3257	21	weight	weight	NN
12787	3257	22	due	due	IN
12787	3257	23	to	to	IN
12787	3257	24	carbon	carbon	NN
12787	3257	25	dioxide	dioxide	NN
12787	3257	26	during	during	IN
12787	3257	27	the	the	DT
12787	3257	28	fusion	fusion	NN
12787	3257	29	?	?	.
12787	3258	1	!	!	.
12787	3258	2	Answers	answer	NNS
12787	3258	3	!	!	.
12787	3259	1	:	:	:
12787	3259	2	1.135	1.135	CD
12787	3259	3	grams	gram	NNS
12787	3259	4	;	;	:
12787	3259	5	0.4715	0.4715	CD
12787	3259	6	gram	gram	NN
12787	3259	7	.	.	.
12787	3260	1	106	106	CD
12787	3260	2	.	.	.
12787	3261	1	A	a	DT
12787	3261	2	mixture	mixture	NN
12787	3261	3	of	of	IN
12787	3261	4	barium	barium	NN
12787	3261	5	oxide	oxide	NN
12787	3261	6	and	and	CC
12787	3261	7	calcium	calcium	NN
12787	3261	8	oxide	oxide	NN
12787	3261	9	weighing	weigh	VBG
12787	3261	10	2.2120	2.2120	CD
12787	3261	11	grams	gram	NNS
12787	3261	12	is	be	VBZ
12787	3261	13	transformed	transform	VBN
12787	3261	14	into	into	IN
12787	3261	15	mixed	mixed	JJ
12787	3261	16	sulphates	sulphate	NNS
12787	3261	17	,	,	,
12787	3261	18	weighing	weigh	VBG
12787	3261	19	5.023	5.023	CD
12787	3261	20	grams	gram	NNS
12787	3261	21	.	.	.
12787	3262	1	Calculate	calculate	VB
12787	3262	2	the	the	DT
12787	3262	3	grams	gram	NNS
12787	3262	4	of	of	IN
12787	3262	5	calcium	calcium	NN
12787	3262	6	oxide	oxide	NN
12787	3262	7	and	and	CC
12787	3262	8	barium	barium	NN
12787	3262	9	oxide	oxide	NN
12787	3262	10	in	in	IN
12787	3262	11	the	the	DT
12787	3262	12	mixture	mixture	NN
12787	3262	13	.	.	.
12787	3263	1	!	!	.
12787	3263	2	Answers	answer	NNS
12787	3263	3	!	!	.
12787	3264	1	:	:	:
12787	3264	2	1.824	1.824	CD
12787	3264	3	grams	gram	NNS
12787	3264	4	CaO	CaO	NNP
12787	3264	5	;	;	:
12787	3264	6	0.3877	0.3877	CD
12787	3264	7	gram	gram	NN
12787	3264	8	BaO.	BaO.	NNP
12787	3265	1	APPENDIX	APPENDIX	NNP
12787	3265	2	ELECTROLYTIC	ELECTROLYTIC	NNP
12787	3265	3	DISSOCIATION	DISSOCIATION	NNP
12787	3265	4	THEORY	THEORY	VBZ
12787	3265	5	The	the	DT
12787	3265	6	following	follow	VBG
12787	3265	7	brief	brief	JJ
12787	3265	8	statements	statement	NNS
12787	3265	9	concerning	concern	VBG
12787	3265	10	the	the	DT
12787	3265	11	ionic	ionic	JJ
12787	3265	12	theory	theory	NN
12787	3265	13	and	and	CC
12787	3265	14	a	a	DT
12787	3265	15	few	few	JJ
12787	3265	16	of	of	IN
12787	3265	17	its	-PRON-	PRP$
12787	3265	18	applications	application	NNS
12787	3265	19	are	be	VBP
12787	3265	20	intended	intend	VBN
12787	3265	21	for	for	IN
12787	3265	22	reference	reference	NN
12787	3265	23	in	in	IN
12787	3265	24	connection	connection	NN
12787	3265	25	with	with	IN
12787	3265	26	the	the	DT
12787	3265	27	explanations	explanation	NNS
12787	3265	28	which	which	WDT
12787	3265	29	are	be	VBP
12787	3265	30	given	give	VBN
12787	3265	31	in	in	IN
12787	3265	32	the	the	DT
12787	3265	33	Notes	Notes	NNPS
12787	3265	34	accompanying	accompany	VBG
12787	3265	35	the	the	DT
12787	3265	36	various	various	JJ
12787	3265	37	procedures	procedure	NNS
12787	3265	38	.	.	.
12787	3266	1	The	the	DT
12787	3266	2	reader	reader	NN
12787	3266	3	who	who	WP
12787	3266	4	desires	desire	VBZ
12787	3266	5	a	a	DT
12787	3266	6	more	more	RBR
12787	3266	7	extended	extended	JJ
12787	3266	8	discussion	discussion	NN
12787	3266	9	of	of	IN
12787	3266	10	the	the	DT
12787	3266	11	fundamental	fundamental	JJ
12787	3266	12	theory	theory	NN
12787	3266	13	and	and	CC
12787	3266	14	its	-PRON-	PRP$
12787	3266	15	uses	use	NNS
12787	3266	16	is	be	VBZ
12787	3266	17	referred	refer	VBN
12787	3266	18	to	to	IN
12787	3266	19	such	such	JJ
12787	3266	20	books	book	NNS
12787	3266	21	as	as	IN
12787	3266	22	Talbot	Talbot	NNP
12787	3266	23	and	and	CC
12787	3266	24	Blanchard	Blanchard	NNP
12787	3266	25	's	's	POS
12787	3266	26	!	!	.
12787	3266	27	Electrolytic	electrolytic	JJ
12787	3266	28	Dissociation	dissociation	NN
12787	3266	29	Theory	Theory	NNP
12787	3266	30	!	!	.
12787	3267	1	(	(	-LRB-
12787	3267	2	Macmillan	Macmillan	NNP
12787	3267	3	Company	Company	NNP
12787	3267	4	)	)	-RRB-
12787	3267	5	,	,	,
12787	3267	6	or	or	CC
12787	3267	7	Alexander	Alexander	NNP
12787	3267	8	Smith	Smith	NNP
12787	3267	9	's	's	POS
12787	3267	10	!	!	.
12787	3267	11	Introduction	introduction	NN
12787	3267	12	to	to	IN
12787	3267	13	General	General	NNP
12787	3267	14	Inorganic	Inorganic	NNP
12787	3267	15	Chemistry	Chemistry	NNP
12787	3267	16	!	!	.
12787	3268	1	(	(	-LRB-
12787	3268	2	Century	Century	NNP
12787	3268	3	Company	Company	NNP
12787	3268	4	)	)	-RRB-
12787	3268	5	.	.	.
12787	3269	1	The	the	DT
12787	3269	2	!	!	.
12787	3269	3	electrolytic	electrolytic	JJ
12787	3269	4	dissociation	dissociation	NN
12787	3269	5	theory	theory	NN
12787	3269	6	!	!	.
12787	3269	7	,	,	,
12787	3269	8	as	as	IN
12787	3269	9	propounded	propound	VBN
12787	3269	10	by	by	IN
12787	3269	11	Arrhenius	Arrhenius	NNP
12787	3269	12	in	in	IN
12787	3269	13	1887	1887	CD
12787	3269	14	,	,	,
12787	3269	15	assumes	assume	VBZ
12787	3269	16	that	that	IN
12787	3269	17	acids	acid	NNS
12787	3269	18	,	,	,
12787	3269	19	bases	basis	NNS
12787	3269	20	,	,	,
12787	3269	21	and	and	CC
12787	3269	22	salts	salt	NNS
12787	3269	23	(	(	-LRB-
12787	3269	24	that	that	RB
12787	3269	25	is	is	RB
12787	3269	26	,	,	,
12787	3269	27	electrolytes	electrolyte	VBZ
12787	3269	28	)	)	-RRB-
12787	3269	29	in	in	IN
12787	3269	30	aqueous	aqueous	JJ
12787	3269	31	solution	solution	NN
12787	3269	32	are	be	VBP
12787	3269	33	dissociated	dissociate	VBN
12787	3269	34	to	to	IN
12787	3269	35	a	a	DT
12787	3269	36	greater	great	JJR
12787	3269	37	or	or	CC
12787	3269	38	less	less	JJR
12787	3269	39	extent	extent	NN
12787	3269	40	into	into	IN
12787	3269	41	!	!	.
12787	3269	42	ions	ion	NNS
12787	3269	43	!	!	.
12787	3269	44	.	.	.
12787	3270	1	These	these	DT
12787	3270	2	ions	ion	NNS
12787	3270	3	are	be	VBP
12787	3270	4	assumed	assume	VBN
12787	3270	5	to	to	TO
12787	3270	6	be	be	VB
12787	3270	7	electrically	electrically	RB
12787	3270	8	charged	charge	VBN
12787	3270	9	atoms	atom	NNS
12787	3270	10	or	or	CC
12787	3270	11	groups	group	NNS
12787	3270	12	of	of	IN
12787	3270	13	atoms	atom	NNS
12787	3270	14	,	,	,
12787	3270	15	as	as	IN
12787	3270	16	,	,	,
12787	3270	17	for	for	IN
12787	3270	18	example	example	NN
12787	3270	19	,	,	,
12787	3270	20	H^{+	H^{+	NNP
12787	3270	21	}	}	-RRB-
12787	3270	22	and	and	CC
12787	3270	23	Br^{-	Br^{-	NNP
12787	3270	24	}	}	-RRB-
12787	3270	25	from	from	IN
12787	3270	26	hydrobromic	hydrobromic	JJ
12787	3270	27	acid	acid	NN
12787	3270	28	,	,	,
12787	3270	29	Na^{+	Na^{+	NNP
12787	3270	30	}	}	-RRB-
12787	3270	31	and	and	CC
12787	3270	32	OH^{-	oh^{-	LS
12787	3270	33	}	}	-RRB-
12787	3270	34	from	from	IN
12787	3270	35	sodium	sodium	NN
12787	3270	36	hydroxide	hydroxide	NN
12787	3270	37	,	,	,
12787	3270	38	2NH_{4}^{+	2NH_{4}^{+	NNP
12787	3270	39	}	}	-RRB-
12787	3270	40	and	and	CC
12787	3270	41	SO_{4}^{--	so_{4}^{--	NN
12787	3270	42	}	}	-RRB-
12787	3270	43	from	from	IN
12787	3270	44	ammonium	ammonium	NN
12787	3270	45	sulphate	sulphate	NN
12787	3270	46	.	.	.
12787	3271	1	The	the	DT
12787	3271	2	unit	unit	NN
12787	3271	3	charge	charge	NN
12787	3271	4	is	be	VBZ
12787	3271	5	that	that	DT
12787	3271	6	which	which	WDT
12787	3271	7	is	be	VBZ
12787	3271	8	dissociated	dissociate	VBN
12787	3271	9	with	with	IN
12787	3271	10	a	a	DT
12787	3271	11	hydrogen	hydrogen	NN
12787	3271	12	ion	ion	NN
12787	3271	13	.	.	.
12787	3272	1	Those	those	DT
12787	3272	2	upon	upon	IN
12787	3272	3	other	other	JJ
12787	3272	4	ions	ion	NNS
12787	3272	5	vary	vary	VBP
12787	3272	6	in	in	IN
12787	3272	7	sign	sign	NN
12787	3272	8	and	and	CC
12787	3272	9	number	number	NN
12787	3272	10	according	accord	VBG
12787	3272	11	to	to	IN
12787	3272	12	the	the	DT
12787	3272	13	chemical	chemical	JJ
12787	3272	14	character	character	NN
12787	3272	15	and	and	CC
12787	3272	16	valence	valence	NN
12787	3272	17	of	of	IN
12787	3272	18	the	the	DT
12787	3272	19	atoms	atom	NNS
12787	3272	20	or	or	CC
12787	3272	21	radicals	radical	NNS
12787	3272	22	of	of	IN
12787	3272	23	which	which	WDT
12787	3272	24	the	the	DT
12787	3272	25	ions	ion	NNS
12787	3272	26	are	be	VBP
12787	3272	27	composed	compose	VBN
12787	3272	28	.	.	.
12787	3273	1	In	in	IN
12787	3273	2	any	any	DT
12787	3273	3	solution	solution	NN
12787	3273	4	the	the	DT
12787	3273	5	aggregate	aggregate	NN
12787	3273	6	of	of	IN
12787	3273	7	the	the	DT
12787	3273	8	positive	positive	JJ
12787	3273	9	charges	charge	NNS
12787	3273	10	upon	upon	IN
12787	3273	11	the	the	DT
12787	3273	12	positive	positive	JJ
12787	3273	13	ions	ion	NNS
12787	3273	14	(	(	-LRB-
12787	3273	15	!	!	.
12787	3273	16	cations	cation	NNS
12787	3273	17	!	!	.
12787	3273	18	)	)	-RRB-
12787	3274	1	must	must	MD
12787	3274	2	always	always	RB
12787	3274	3	balance	balance	VB
12787	3274	4	the	the	DT
12787	3274	5	aggregate	aggregate	JJ
12787	3274	6	negative	negative	JJ
12787	3274	7	charges	charge	NNS
12787	3274	8	upon	upon	IN
12787	3274	9	the	the	DT
12787	3274	10	negative	negative	JJ
12787	3274	11	ions	ion	NNS
12787	3274	12	(	(	-LRB-
12787	3274	13	!	!	.
12787	3274	14	anions	anion	NNS
12787	3274	15	!	!	.
12787	3274	16	)	)	-RRB-
12787	3274	17	.	.	.
12787	3275	1	It	-PRON-	PRP
12787	3275	2	is	be	VBZ
12787	3275	3	assumed	assume	VBN
12787	3275	4	that	that	IN
12787	3275	5	the	the	DT
12787	3275	6	Na^{+	Na^{+	NNP
12787	3275	7	}	}	-RRB-
12787	3275	8	ion	ion	NN
12787	3275	9	,	,	,
12787	3275	10	for	for	IN
12787	3275	11	example	example	NN
12787	3275	12	,	,	,
12787	3275	13	differs	differ	VBZ
12787	3275	14	from	from	IN
12787	3275	15	the	the	DT
12787	3275	16	sodium	sodium	NN
12787	3275	17	atom	atom	NN
12787	3275	18	in	in	IN
12787	3275	19	behavior	behavior	NN
12787	3275	20	because	because	IN
12787	3275	21	of	of	IN
12787	3275	22	the	the	DT
12787	3275	23	very	very	RB
12787	3275	24	considerable	considerable	JJ
12787	3275	25	electrical	electrical	JJ
12787	3275	26	charge	charge	NN
12787	3275	27	which	which	WDT
12787	3275	28	it	-PRON-	PRP
12787	3275	29	carries	carry	VBZ
12787	3275	30	and	and	CC
12787	3275	31	which	which	WDT
12787	3275	32	,	,	,
12787	3275	33	as	as	IN
12787	3275	34	just	just	RB
12787	3275	35	stated	state	VBN
12787	3275	36	,	,	,
12787	3275	37	must	must	MD
12787	3275	38	,	,	,
12787	3275	39	in	in	IN
12787	3275	40	an	an	DT
12787	3275	41	electrically	electrically	RB
12787	3275	42	neutral	neutral	JJ
12787	3275	43	solution	solution	NN
12787	3275	44	,	,	,
12787	3275	45	be	be	VB
12787	3275	46	balanced	balance	VBN
12787	3275	47	by	by	IN
12787	3275	48	a	a	DT
12787	3275	49	corresponding	correspond	VBG
12787	3275	50	negative	negative	JJ
12787	3275	51	charge	charge	NN
12787	3275	52	on	on	IN
12787	3275	53	some	some	DT
12787	3275	54	other	other	JJ
12787	3275	55	ion	ion	NN
12787	3275	56	.	.	.
12787	3276	1	When	when	WRB
12787	3276	2	an	an	DT
12787	3276	3	electric	electric	JJ
12787	3276	4	current	current	NN
12787	3276	5	is	be	VBZ
12787	3276	6	passed	pass	VBN
12787	3276	7	through	through	IN
12787	3276	8	a	a	DT
12787	3276	9	solution	solution	NN
12787	3276	10	of	of	IN
12787	3276	11	an	an	DT
12787	3276	12	electrolyte	electrolyte	NN
12787	3276	13	the	the	DT
12787	3276	14	ions	ion	NNS
12787	3276	15	move	move	VBP
12787	3276	16	with	with	IN
12787	3276	17	and	and	CC
12787	3276	18	convey	convey	VB
12787	3276	19	the	the	DT
12787	3276	20	current	current	NN
12787	3276	21	,	,	,
12787	3276	22	and	and	CC
12787	3276	23	when	when	WRB
12787	3276	24	the	the	DT
12787	3276	25	cations	cation	NNS
12787	3276	26	come	come	VBP
12787	3276	27	into	into	IN
12787	3276	28	contact	contact	NN
12787	3276	29	with	with	IN
12787	3276	30	the	the	DT
12787	3276	31	negatively	negatively	RB
12787	3276	32	charged	charge	VBN
12787	3276	33	cathode	cathode	NN
12787	3276	34	they	-PRON-	PRP
12787	3276	35	lose	lose	VBP
12787	3276	36	their	-PRON-	PRP$
12787	3276	37	charges	charge	NNS
12787	3276	38	,	,	,
12787	3276	39	and	and	CC
12787	3276	40	the	the	DT
12787	3276	41	resulting	result	VBG
12787	3276	42	electrically	electrically	RB
12787	3276	43	neutral	neutral	JJ
12787	3276	44	atoms	atom	NNS
12787	3276	45	(	(	-LRB-
12787	3276	46	or	or	CC
12787	3276	47	radicals	radical	NNS
12787	3276	48	)	)	-RRB-
12787	3276	49	are	be	VBP
12787	3276	50	liberated	liberate	VBN
12787	3276	51	as	as	IN
12787	3276	52	such	such	JJ
12787	3276	53	,	,	,
12787	3276	54	or	or	CC
12787	3276	55	else	else	RB
12787	3276	56	enter	enter	VB
12787	3276	57	at	at	IN
12787	3276	58	once	once	RB
12787	3276	59	into	into	IN
12787	3276	60	chemical	chemical	JJ
12787	3276	61	reaction	reaction	NN
12787	3276	62	with	with	IN
12787	3276	63	the	the	DT
12787	3276	64	components	component	NNS
12787	3276	65	of	of	IN
12787	3276	66	the	the	DT
12787	3276	67	solution	solution	NN
12787	3276	68	.	.	.
12787	3277	1	Two	two	CD
12787	3277	2	ions	ion	NNS
12787	3277	3	of	of	IN
12787	3277	4	identically	identically	RB
12787	3277	5	the	the	DT
12787	3277	6	same	same	JJ
12787	3277	7	composition	composition	NN
12787	3277	8	but	but	CC
12787	3277	9	with	with	IN
12787	3277	10	different	different	JJ
12787	3277	11	electrical	electrical	JJ
12787	3277	12	charges	charge	NNS
12787	3277	13	may	may	MD
12787	3277	14	exhibit	exhibit	VB
12787	3277	15	widely	widely	RB
12787	3277	16	different	different	JJ
12787	3277	17	properties	property	NNS
12787	3277	18	.	.	.
12787	3278	1	For	for	IN
12787	3278	2	example	example	NN
12787	3278	3	,	,	,
12787	3278	4	the	the	DT
12787	3278	5	ion	ion	NN
12787	3278	6	MnO_{4}^{-	mno_{4}^{-	NN
12787	3278	7	}	}	-RRB-
12787	3278	8	from	from	IN
12787	3278	9	permanganates	permanganate	NNS
12787	3278	10	yields	yield	NNS
12787	3278	11	a	a	DT
12787	3278	12	purple	purple	JJ
12787	3278	13	-	-	HYPH
12787	3278	14	red	red	JJ
12787	3278	15	solution	solution	NN
12787	3278	16	and	and	CC
12787	3278	17	differs	differ	NNS
12787	3278	18	in	in	IN
12787	3278	19	its	-PRON-	PRP$
12787	3278	20	chemical	chemical	NN
12787	3278	21	behavior	behavior	NN
12787	3278	22	from	from	IN
12787	3278	23	the	the	DT
12787	3278	24	ion	ion	NN
12787	3278	25	MnO_{4}^{--	MnO_{4}^{--	.
12787	3278	26	}	}	-RRB-
12787	3278	27	from	from	IN
12787	3278	28	manganates	manganate	NNS
12787	3278	29	,	,	,
12787	3278	30	the	the	DT
12787	3278	31	solutions	solution	NNS
12787	3278	32	of	of	IN
12787	3278	33	which	which	WDT
12787	3278	34	are	be	VBP
12787	3278	35	green	green	JJ
12787	3278	36	.	.	.
12787	3279	1	The	the	DT
12787	3279	2	chemical	chemical	NN
12787	3279	3	changes	change	VBZ
12787	3279	4	upon	upon	IN
12787	3279	5	which	which	WDT
12787	3279	6	the	the	DT
12787	3279	7	procedures	procedure	NNS
12787	3279	8	of	of	IN
12787	3279	9	analytical	analytical	JJ
12787	3279	10	chemistry	chemistry	NN
12787	3279	11	depend	depend	VBP
12787	3279	12	are	be	VBP
12787	3279	13	almost	almost	RB
12787	3279	14	exclusively	exclusively	RB
12787	3279	15	those	those	DT
12787	3279	16	in	in	IN
12787	3279	17	which	which	WDT
12787	3279	18	the	the	DT
12787	3279	19	reacting	react	VBG
12787	3279	20	substances	substance	NNS
12787	3279	21	are	be	VBP
12787	3279	22	electrolytes	electrolyte	NNS
12787	3279	23	,	,	,
12787	3279	24	and	and	CC
12787	3279	25	analytical	analytical	JJ
12787	3279	26	chemistry	chemistry	NN
12787	3279	27	is	be	VBZ
12787	3279	28	,	,	,
12787	3279	29	therefore	therefore	RB
12787	3279	30	,	,	,
12787	3279	31	essentially	essentially	RB
12787	3279	32	the	the	DT
12787	3279	33	chemistry	chemistry	NN
12787	3279	34	of	of	IN
12787	3279	35	the	the	DT
12787	3279	36	ions	ion	NNS
12787	3279	37	.	.	.
12787	3280	1	The	the	DT
12787	3280	2	percentage	percentage	NN
12787	3280	3	dissociation	dissociation	NN
12787	3280	4	of	of	IN
12787	3280	5	the	the	DT
12787	3280	6	same	same	JJ
12787	3280	7	electrolyte	electrolyte	NN
12787	3280	8	tends	tend	VBZ
12787	3280	9	to	to	TO
12787	3280	10	increase	increase	VB
12787	3280	11	with	with	IN
12787	3280	12	increasing	increase	VBG
12787	3280	13	dilution	dilution	NN
12787	3280	14	of	of	IN
12787	3280	15	its	-PRON-	PRP$
12787	3280	16	solution	solution	NN
12787	3280	17	,	,	,
12787	3280	18	although	although	IN
12787	3280	19	not	not	RB
12787	3280	20	in	in	IN
12787	3280	21	direct	direct	JJ
12787	3280	22	proportion	proportion	NN
12787	3280	23	.	.	.
12787	3281	1	The	the	DT
12787	3281	2	percentage	percentage	NN
12787	3281	3	dissociation	dissociation	NN
12787	3281	4	of	of	IN
12787	3281	5	different	different	JJ
12787	3281	6	electrolytes	electrolyte	NNS
12787	3281	7	in	in	IN
12787	3281	8	solutions	solution	NNS
12787	3281	9	of	of	IN
12787	3281	10	equivalent	equivalent	JJ
12787	3281	11	concentrations	concentration	NNS
12787	3281	12	(	(	-LRB-
12787	3281	13	such	such	JJ
12787	3281	14	,	,	,
12787	3281	15	for	for	IN
12787	3281	16	example	example	NN
12787	3281	17	,	,	,
12787	3281	18	as	as	IN
12787	3281	19	normal	normal	JJ
12787	3281	20	solutions	solution	NNS
12787	3281	21	)	)	-RRB-
12787	3281	22	varies	vary	VBZ
12787	3281	23	widely	widely	RB
12787	3281	24	,	,	,
12787	3281	25	as	as	IN
12787	3281	26	is	be	VBZ
12787	3281	27	indicated	indicate	VBN
12787	3281	28	in	in	IN
12787	3281	29	the	the	DT
12787	3281	30	following	follow	VBG
12787	3281	31	tables	table	NNS
12787	3281	32	,	,	,
12787	3281	33	in	in	IN
12787	3281	34	which	which	WDT
12787	3281	35	approximate	approximate	JJ
12787	3281	36	figures	figure	NNS
12787	3281	37	are	be	VBP
12787	3281	38	given	give	VBN
12787	3281	39	for	for	IN
12787	3281	40	tenth	tenth	JJ
12787	3281	41	-	-	HYPH
12787	3281	42	normal	normal	JJ
12787	3281	43	solutions	solution	NNS
12787	3281	44	at	at	IN
12787	3281	45	a	a	DT
12787	3281	46	temperature	temperature	NN
12787	3281	47	of	of	IN
12787	3281	48	about	about	IN
12787	3281	49	18Â	18Â	NNP
12787	3281	50	°	°	,
12787	3281	51	C	C	NNP
12787	3281	52	.	.	.
12787	3282	1	ACIDS	ACIDS	NNP
12787	3282	2	=	=	SYM
12787	3282	3	=	=	SYM
12787	3282	4	=	=	SYM
12787	3282	5	=	=	SYM
12787	3282	6	=	=	SYM
12787	3282	7	=	=	SYM
12787	3282	8	=	=	SYM
12787	3282	9	=	=	SYM
12787	3282	10	=	=	SYM
12787	3282	11	=	=	SYM
12787	3282	12	=	=	SYM
12787	3282	13	=	=	SYM
12787	3282	14	=	=	SYM
12787	3282	15	=	=	SYM
12787	3282	16	=	=	SYM
12787	3282	17	=	=	SYM
12787	3282	18	=	=	SYM
12787	3282	19	=	=	SYM
12787	3282	20	=	=	SYM
12787	3282	21	=	=	SYM
12787	3282	22	=	=	SYM
12787	3282	23	=	=	SYM
12787	3282	24	=	=	SYM
12787	3282	25	=	=	SYM
12787	3282	26	=	=	SYM
12787	3282	27	=	=	SYM
12787	3282	28	=	=	SYM
12787	3282	29	=	=	SYM
12787	3282	30	=	=	SYM
12787	3282	31	=	=	SYM
12787	3282	32	=	=	SYM
12787	3282	33	=	=	SYM
12787	3282	34	=	=	SYM
12787	3282	35	=	=	SYM
12787	3282	36	=	=	SYM
12787	3282	37	=	=	SYM
12787	3282	38	=	=	SYM
12787	3282	39	=	=	SYM
12787	3282	40	=	=	SYM
12787	3282	41	=	=	SYM
12787	3282	42	=	=	SYM
12787	3282	43	=	=	SYM
12787	3282	44	=	=	SYM
12787	3282	45	=	=	SYM
12787	3282	46	=	=	SYM
12787	3282	47	=	=	SYM
12787	3282	48	=	=	SYM
12787	3282	49	=	=	SYM
12787	3282	50	=	=	SYM
12787	3282	51	=	=	SYM
12787	3282	52	=	=	SYM
12787	3282	53	=	=	SYM
12787	3282	54	=	=	SYM
12787	3282	55	=	=	SYM
12787	3282	56	=	=	SYM
12787	3282	57	=	=	SYM
12787	3282	58	=	=	SYM
12787	3282	59	=	=	SYM
12787	3282	60	=	=	SYM
12787	3282	61	=	=	SYM
12787	3282	62	=	=	SYM
12787	3282	63	=	=	SYM
12787	3282	64	=	=	SYM
12787	3282	65	=	=	SYM
12787	3282	66	=	=	SYM
12787	3282	67	=	=	SYM
12787	3282	68	=	=	SYM
12787	3282	69	=	=	SYM
12787	3282	70	=	=	SYM
12787	3282	71	=	=	SYM
12787	3282	72	=	=	SYM
12787	3282	73	=	=	SYM
12787	3282	74	=	=	SYM
12787	3282	75	|	|	NNP
12787	3282	76	SUBSTANCE	SUBSTANCE	NNP
12787	3282	77	|	|	NNP
12787	3282	78	PERCENTAGE	PERCENTAGE	NNP
12787	3282	79	DISSOCIATION	DISSOCIATION	NNPS
12787	3282	80	IN	in	IN
12787	3282	81	|	|	CD
12787	3282	82	0.1	0.1	CD
12787	3282	83	EQUIVALENT	EQUIVALENT	NNP
12787	3282	84	SOLUTION	SOLUTION	NNP
12787	3282	85	_	_	NNP
12787	3282	86	_	_	NNP
12787	3282	87	_	_	NNP
12787	3282	88	_	_	NNP
12787	3282	89	_	_	NNP
12787	3282	90	_	_	NNP
12787	3282	91	_	_	NNP
12787	3282	92	_	_	NNP
12787	3282	93	_	_	NNP
12787	3282	94	_	_	NNP
12787	3282	95	_	_	NNP
12787	3282	96	_	_	NNP
12787	3282	97	_	_	NNP
12787	3282	98	_	_	NNP
12787	3282	99	_	_	NNP
12787	3282	100	_	_	NNP
12787	3282	101	_	_	NNP
12787	3282	102	_	_	NNP
12787	3282	103	_	_	NNP
12787	3282	104	_	_	NNP
12787	3282	105	_	_	NNP
12787	3282	106	_	_	NNP
12787	3282	107	_	_	NNP
12787	3282	108	_	_	NNP
12787	3282	109	_	_	NNP
12787	3282	110	_	_	NNP
12787	3282	111	_	_	NNP
12787	3282	112	_	_	NNP
12787	3282	113	_	_	NNP
12787	3282	114	_	_	NNP
12787	3282	115	_	_	NNP
12787	3282	116	_	_	NNP
12787	3282	117	_	_	NNP
12787	3282	118	_	_	NNP
12787	3282	119	_	_	NNP
12787	3282	120	_	_	NNP
12787	3282	121	_	_	NNP
12787	3282	122	_	_	NNP
12787	3282	123	_	_	NNP
12787	3282	124	_	_	NNP
12787	3282	125	_	_	NNP
12787	3282	126	_	_	NNP
12787	3282	127	_	_	NNP
12787	3282	128	_	_	NNP
12787	3282	129	_	_	NNP
12787	3282	130	|	|	NNP
12787	3282	131	_	_	NNP
12787	3282	132	_	_	NNP
12787	3282	133	_	_	NNP
12787	3282	134	_	_	NNP
12787	3282	135	_	_	NNP
12787	3282	136	_	_	NNP
12787	3282	137	_	_	NNP
12787	3282	138	_	_	NNP
12787	3282	139	_	_	NNP
12787	3282	140	_	_	NNP
12787	3282	141	_	_	NNP
12787	3282	142	_	_	NNP
12787	3282	143	_	_	NNP
12787	3282	144	_	_	NNP
12787	3282	145	_	_	NNP
12787	3282	146	_	_	NNP
12787	3282	147	_	_	NNP
12787	3282	148	_	_	NNP
12787	3282	149	_	_	NNP
12787	3282	150	_	_	NNP
12787	3282	151	_	_	NNP
12787	3282	152	_	_	NNP
12787	3282	153	_	_	NNP
12787	3282	154	_	_	NNP
12787	3282	155	_	_	NNP
12787	3282	156	_	_	NNP
12787	3282	157	_	_	NNP
12787	3282	158	|	|	NNP
12787	3282	159	HCl	HCl	NNP
12787	3282	160	,	,	,
12787	3282	161	HBr	HBr	NNP
12787	3282	162	,	,	,
12787	3282	163	HI	hi	UH
12787	3282	164	,	,	,
12787	3282	165	HNO_{3	HNO_{3	NNP
12787	3282	166	}	}	-RRB-
12787	3282	167	|	|	NNP
12787	3282	168	90	90	CD
12787	3282	169	|	|	CD
12787	3282	170	HClO_{3	hclo_{3	NN
12787	3282	171	}	}	-RRB-
12787	3282	172	,	,	,
12787	3282	173	HClO_{4	HClO_{4	NNP
12787	3282	174	}	}	-RRB-
12787	3282	175	,	,	,
12787	3282	176	HMnO_{4	HMnO_{4	NNP
12787	3282	177	}	}	-RRB-
12787	3282	178	|	|	NNP
12787	3282	179	90	90	CD
12787	3282	180	|	|	CD
12787	3282	181	H_{2}SO_{4	H_{2}SO_{4	NNS
12787	3282	182	}	}	-RRB-
12787	3282	183	<	<	XX
12787	3282	184	--	--	:
12787	3282	185	>	>	XX
12787	3282	186	H^{+	H^{+	NNP
12787	3282	187	}	}	-RRB-
12787	3282	188	+	+	CC
12787	3282	189	HSO_{4}^{-	HSO_{4}^{-	NNP
12787	3282	190	}	}	-RRB-
12787	3282	191	|	|	NNP
12787	3282	192	90	90	CD
12787	3282	193	|	|	CD
12787	3282	194	H_{2}C_{2}O_{4	H_{2}C_{2}O_{4	NNS
12787	3282	195	}	}	-RRB-
12787	3282	196	<	<	XX
12787	3282	197	--	--	:
12787	3282	198	>	>	XX
12787	3282	199	H^{+	H^{+	NNP
12787	3282	200	}	}	-RRB-
12787	3282	201	+	+	SYM
12787	3282	202	HC_{2}O_{4}^{-	HC_{2}O_{4}^{-	NNP
12787	3282	203	}	}	-RRB-
12787	3282	204	|	|	NNP
12787	3282	205	50	50	CD
12787	3282	206	|	|	CD
12787	3282	207	H_{2}SO_{3	h_{2}so_{3	CD
12787	3282	208	}	}	-RRB-
12787	3282	209	<	<	XX
12787	3282	210	--	--	:
12787	3282	211	>	>	XX
12787	3282	212	H^{+	H^{+	NNP
12787	3282	213	}	}	-RRB-
12787	3282	214	+	+	CC
12787	3282	215	HSO{_}3^{-	hso{_}3^{-	NN
12787	3282	216	}	}	-RRB-
12787	3282	217	|	|	CD
12787	3282	218	20	20	CD
12787	3282	219	|	|	CD
12787	3282	220	H_{3}PO_{4	h_{3}po_{4	CD
12787	3282	221	}	}	-RRB-
12787	3282	222	<	<	XX
12787	3282	223	--	--	:
12787	3282	224	>	>	XX
12787	3282	225	H^{+	H^{+	NNP
12787	3282	226	}	}	-RRB-
12787	3282	227	+	+	CC
12787	3282	228	H_{2}PO_{4}^{-	H_{2}PO_{4}^{-	NNP
12787	3282	229	}	}	-RRB-
12787	3282	230	|	|	CD
12787	3282	231	27	27	CD
12787	3282	232	|	|	NNS
12787	3282	233	H_{2}PO_{4}^{-	h_{2}po_{4}^{-	NN
12787	3282	234	}	}	-RRB-
12787	3282	235	<	<	XX
12787	3282	236	--	--	:
12787	3282	237	>	>	XX
12787	3282	238	H^{+	H^{+	NNP
12787	3282	239	}	}	-RRB-
12787	3282	240	+	+	NNP
12787	3282	241	HPO_{4}^{--	hpo_{4}^{--	NN
12787	3282	242	}	}	-RRB-
12787	3282	243	|	|	CD
12787	3282	244	0.2	0.2	CD
12787	3282	245	|	|	CD
12787	3282	246	H_{3}AsO_{4	h_{3}aso_{4	NN
12787	3282	247	}	}	-RRB-
12787	3282	248	<	<	XX
12787	3282	249	--	--	:
12787	3282	250	>	>	XX
12787	3282	251	H^{+	H^{+	NNP
12787	3282	252	}	}	-RRB-
12787	3282	253	+	+	CC
12787	3282	254	H_{2}AsO_{4}^{-	H_{2}AsO_{4}^{-	NNP
12787	3282	255	}	}	-RRB-
12787	3282	256	|	|	CD
12787	3282	257	20	20	CD
12787	3282	258	|	|	CD
12787	3282	259	HF	HF	NNP
12787	3282	260	|	|	NNP
12787	3282	261	9	9	CD
12787	3282	262	|	|	CD
12787	3282	263	HC_{2}H_{3}O_{2	HC_{2}H_{3}O_{2	NNS
12787	3282	264	}	}	-RRB-
12787	3282	265	|	|	CD
12787	3282	266	1.4	1.4	CD
12787	3282	267	|	|	CD
12787	3282	268	H_{2}CO_{3	H_{2}CO_{3	NNS
12787	3282	269	}	}	-RRB-
12787	3282	270	<	<	XX
12787	3282	271	--	--	:
12787	3282	272	>	>	XX
12787	3282	273	H^{+	H^{+	NNP
12787	3282	274	}	}	-RRB-
12787	3282	275	+	+	CC
12787	3282	276	HCO_{3}^{-	HCO_{3}^{-	NNP
12787	3282	277	}	}	-RRB-
12787	3282	278	|	|	NNP
12787	3282	279	0.12	0.12	CD
12787	3282	280	|	|	NNP
12787	3282	281	H_{2}S	h_{2}s	NN
12787	3282	282	<	<	XX
12787	3282	283	--	--	:
12787	3282	284	>	>	XX
12787	3282	285	H^{+	H^{+	NNP
12787	3282	286	}	}	-RRB-
12787	3282	287	+	+	CC
12787	3282	288	HS^{-	HS^{-	NNP
12787	3282	289	}	}	-RRB-
12787	3282	290	|	|	CD
12787	3282	291	0.05	0.05	CD
12787	3282	292	|	|	CD
12787	3282	293	HCN	HCN	NNP
12787	3282	294	|	|	CD
12787	3282	295	0.01	0.01	CD
12787	3282	296	|	|	NNS
12787	3282	297	=	=	SYM
12787	3282	298	=	=	SYM
12787	3282	299	=	=	SYM
12787	3282	300	=	=	SYM
12787	3282	301	=	=	SYM
12787	3282	302	=	=	SYM
12787	3282	303	=	=	SYM
12787	3282	304	=	=	SYM
12787	3282	305	=	=	SYM
12787	3282	306	=	=	SYM
12787	3282	307	=	=	SYM
12787	3282	308	=	=	SYM
12787	3282	309	=	=	SYM
12787	3282	310	=	=	SYM
12787	3282	311	=	=	SYM
12787	3282	312	=	=	SYM
12787	3282	313	=	=	SYM
12787	3282	314	=	=	SYM
12787	3282	315	=	=	SYM
12787	3282	316	=	=	SYM
12787	3282	317	=	=	SYM
12787	3282	318	=	=	SYM
12787	3282	319	=	=	SYM
12787	3282	320	=	=	SYM
12787	3282	321	=	=	SYM
12787	3282	322	=	=	SYM
12787	3282	323	=	=	SYM
12787	3282	324	=	=	SYM
12787	3282	325	=	=	SYM
12787	3282	326	=	=	SYM
12787	3282	327	=	=	SYM
12787	3282	328	=	=	SYM
12787	3282	329	=	=	SYM
12787	3282	330	=	=	SYM
12787	3282	331	=	=	SYM
12787	3282	332	=	=	SYM
12787	3282	333	=	=	SYM
12787	3282	334	=	=	SYM
12787	3282	335	=	=	SYM
12787	3282	336	=	=	SYM
12787	3282	337	=	=	SYM
12787	3282	338	=	=	SYM
12787	3282	339	=	=	SYM
12787	3282	340	=	=	SYM
12787	3282	341	=	=	SYM
12787	3282	342	=	=	SYM
12787	3282	343	=	=	SYM
12787	3282	344	=	=	SYM
12787	3282	345	=	=	SYM
12787	3282	346	=	=	SYM
12787	3282	347	=	=	SYM
12787	3282	348	=	=	SYM
12787	3282	349	=	=	SYM
12787	3282	350	=	=	SYM
12787	3282	351	=	=	SYM
12787	3282	352	=	=	SYM
12787	3282	353	=	=	SYM
12787	3282	354	=	=	SYM
12787	3282	355	=	=	SYM
12787	3282	356	=	=	SYM
12787	3282	357	=	=	SYM
12787	3282	358	=	=	SYM
12787	3282	359	=	=	SYM
12787	3282	360	=	=	SYM
12787	3282	361	=	=	SYM
12787	3282	362	=	=	SYM
12787	3282	363	=	=	SYM
12787	3282	364	=	=	SYM
12787	3282	365	=	=	SYM
12787	3282	366	=	=	SYM
12787	3282	367	=	=	SYM
12787	3282	368	=	=	NFP
12787	3282	369	=	=	SYM
12787	3282	370	BASES	basis	NNS
12787	3282	371	=	=	SYM
12787	3282	372	=	=	NFP
12787	3282	373	=	=	SYM
12787	3282	374	=	=	SYM
12787	3282	375	=	=	SYM
12787	3282	376	=	=	SYM
12787	3282	377	=	=	SYM
12787	3282	378	=	=	SYM
12787	3282	379	=	=	SYM
12787	3282	380	=	=	SYM
12787	3282	381	=	=	SYM
12787	3282	382	=	=	SYM
12787	3282	383	=	=	SYM
12787	3282	384	=	=	SYM
12787	3282	385	=	=	SYM
12787	3282	386	=	=	SYM
12787	3282	387	=	=	SYM
12787	3282	388	=	=	SYM
12787	3282	389	=	=	SYM
12787	3282	390	=	=	SYM
12787	3282	391	=	=	SYM
12787	3282	392	=	=	SYM
12787	3282	393	=	=	SYM
12787	3282	394	=	=	SYM
12787	3282	395	=	=	SYM
12787	3282	396	=	=	SYM
12787	3282	397	=	=	SYM
12787	3282	398	=	=	SYM
12787	3282	399	=	=	SYM
12787	3282	400	=	=	SYM
12787	3282	401	=	=	SYM
12787	3282	402	=	=	SYM
12787	3282	403	=	=	SYM
12787	3282	404	=	=	SYM
12787	3282	405	=	=	SYM
12787	3282	406	=	=	SYM
12787	3282	407	=	=	SYM
12787	3282	408	=	=	SYM
12787	3282	409	=	=	SYM
12787	3282	410	=	=	SYM
12787	3282	411	=	=	SYM
12787	3282	412	=	=	SYM
12787	3282	413	=	=	SYM
12787	3282	414	=	=	SYM
12787	3282	415	=	=	SYM
12787	3282	416	=	=	SYM
12787	3282	417	=	=	SYM
12787	3282	418	=	=	SYM
12787	3282	419	=	=	SYM
12787	3282	420	=	=	SYM
12787	3282	421	=	=	SYM
12787	3282	422	=	=	SYM
12787	3282	423	=	=	SYM
12787	3282	424	=	=	SYM
12787	3282	425	=	=	SYM
12787	3282	426	=	=	SYM
12787	3282	427	=	=	SYM
12787	3282	428	=	=	SYM
12787	3282	429	=	=	SYM
12787	3282	430	=	=	SYM
12787	3282	431	=	=	SYM
12787	3282	432	=	=	SYM
12787	3282	433	=	=	SYM
12787	3282	434	=	=	SYM
12787	3282	435	=	=	SYM
12787	3282	436	=	=	SYM
12787	3282	437	=	=	SYM
12787	3282	438	=	=	SYM
12787	3282	439	=	=	SYM
12787	3282	440	=	=	SYM
12787	3282	441	=	=	SYM
12787	3282	442	=	=	SYM
12787	3282	443	=	=	SYM
12787	3282	444	|	|	NNP
12787	3282	445	SUBSTANCE	SUBSTANCE	NNP
12787	3282	446	|	|	NNP
12787	3282	447	PERCENTAGE	PERCENTAGE	NNP
12787	3282	448	DISSOCIATION	DISSOCIATION	NNPS
12787	3282	449	IN	in	IN
12787	3282	450	|	|	CD
12787	3282	451	0.1	0.1	CD
12787	3282	452	EQUIVALENT	EQUIVALENT	NNP
12787	3282	453	SOLUTION	SOLUTION	NNP
12787	3282	454	_	_	NNP
12787	3282	455	_	_	NNP
12787	3282	456	_	_	NNP
12787	3282	457	_	_	NNP
12787	3282	458	_	_	NNP
12787	3282	459	_	_	NNP
12787	3282	460	_	_	NNP
12787	3282	461	_	_	NNP
12787	3282	462	_	_	NNP
12787	3282	463	_	_	NNP
12787	3282	464	_	_	NNP
12787	3282	465	_	_	NNP
12787	3282	466	_	_	NNP
12787	3282	467	_	_	NNP
12787	3282	468	_	_	NNP
12787	3282	469	_	_	NNP
12787	3282	470	_	_	NNP
12787	3282	471	_	_	NNP
12787	3282	472	_	_	NNP
12787	3282	473	_	_	NNP
12787	3282	474	_	_	NNP
12787	3282	475	_	_	NNP
12787	3282	476	_	_	NNP
12787	3282	477	_	_	NNP
12787	3282	478	_	_	NNP
12787	3282	479	_	_	NNP
12787	3282	480	_	_	NNP
12787	3282	481	_	_	NNP
12787	3282	482	_	_	NNP
12787	3282	483	_	_	NNP
12787	3282	484	_	_	NNP
12787	3282	485	_	_	NNP
12787	3282	486	_	_	NNP
12787	3282	487	_	_	NNP
12787	3282	488	_	_	NNP
12787	3282	489	_	_	NNP
12787	3282	490	_	_	NNP
12787	3282	491	_	_	NNP
12787	3282	492	_	_	NNP
12787	3282	493	_	_	NNP
12787	3282	494	_	_	NNP
12787	3282	495	_	_	NNP
12787	3282	496	_	_	NNP
12787	3282	497	_	_	NNP
12787	3282	498	_	_	NNP
12787	3282	499	|	|	NNP
12787	3282	500	_	_	NNP
12787	3282	501	_	_	NNP
12787	3282	502	_	_	NNP
12787	3282	503	_	_	NNP
12787	3282	504	_	_	NNP
12787	3282	505	_	_	NNP
12787	3282	506	_	_	NNP
12787	3282	507	_	_	NNP
12787	3282	508	_	_	NNP
12787	3282	509	_	_	NNP
12787	3282	510	_	_	NNP
12787	3282	511	_	_	NNP
12787	3282	512	_	_	NNP
12787	3282	513	_	_	NNP
12787	3282	514	_	_	NNP
12787	3282	515	_	_	NNP
12787	3282	516	_	_	NNP
12787	3282	517	_	_	NNP
12787	3282	518	_	_	NNP
12787	3282	519	_	_	NNP
12787	3282	520	_	_	NNP
12787	3282	521	_	_	NNP
12787	3282	522	_	_	NNP
12787	3282	523	_	_	NNP
12787	3282	524	_	_	NNP
12787	3282	525	_	_	NNP
12787	3282	526	_	_	NNP
12787	3282	527	|	|	NNP
12787	3282	528	KOH	KOH	NNP
12787	3282	529	,	,	,
12787	3282	530	NaOH	NaOH	NNP
12787	3282	531	|	|	NNP
12787	3282	532	86	86	CD
12787	3282	533	|	|	NNP
12787	3282	534	Ba(OH)_{2	Ba(OH)_{2	NNP
12787	3282	535	}	}	-RRB-
12787	3282	536	|	|	NNP
12787	3282	537	75	75	CD
12787	3282	538	|	|	CD
12787	3282	539	NH_{4}OH	nh_{4}oh	CC
12787	3282	540	|	|	CD
12787	3282	541	1.4	1.4	CD
12787	3282	542	|	|	NNS
12787	3282	543	=	=	SYM
12787	3282	544	=	=	SYM
12787	3282	545	=	=	SYM
12787	3282	546	=	=	SYM
12787	3282	547	=	=	SYM
12787	3282	548	=	=	SYM
12787	3282	549	=	=	SYM
12787	3282	550	=	=	SYM
12787	3282	551	=	=	SYM
12787	3282	552	=	=	SYM
12787	3282	553	=	=	SYM
12787	3282	554	=	=	SYM
12787	3282	555	=	=	SYM
12787	3282	556	=	=	SYM
12787	3282	557	=	=	SYM
12787	3282	558	=	=	SYM
12787	3282	559	=	=	SYM
12787	3282	560	=	=	SYM
12787	3282	561	=	=	SYM
12787	3282	562	=	=	SYM
12787	3282	563	=	=	SYM
12787	3282	564	=	=	SYM
12787	3282	565	=	=	SYM
12787	3282	566	=	=	SYM
12787	3282	567	=	=	SYM
12787	3282	568	=	=	SYM
12787	3282	569	=	=	SYM
12787	3282	570	=	=	SYM
12787	3282	571	=	=	SYM
12787	3282	572	=	=	SYM
12787	3282	573	=	=	SYM
12787	3282	574	=	=	SYM
12787	3282	575	=	=	SYM
12787	3282	576	=	=	SYM
12787	3282	577	=	=	SYM
12787	3282	578	=	=	SYM
12787	3282	579	=	=	SYM
12787	3282	580	=	=	SYM
12787	3282	581	=	=	SYM
12787	3282	582	=	=	SYM
12787	3282	583	=	=	SYM
12787	3282	584	=	=	SYM
12787	3282	585	=	=	SYM
12787	3282	586	=	=	SYM
12787	3282	587	=	=	SYM
12787	3282	588	=	=	SYM
12787	3282	589	=	=	SYM
12787	3282	590	=	=	SYM
12787	3282	591	=	=	SYM
12787	3282	592	=	=	SYM
12787	3282	593	=	=	SYM
12787	3282	594	=	=	SYM
12787	3282	595	=	=	SYM
12787	3282	596	=	=	SYM
12787	3282	597	=	=	SYM
12787	3282	598	=	=	SYM
12787	3282	599	=	=	SYM
12787	3282	600	=	=	SYM
12787	3282	601	=	=	SYM
12787	3282	602	=	=	SYM
12787	3282	603	=	=	SYM
12787	3282	604	=	=	SYM
12787	3282	605	=	=	SYM
12787	3282	606	=	=	SYM
12787	3282	607	=	=	SYM
12787	3282	608	=	=	SYM
12787	3282	609	=	=	SYM
12787	3282	610	=	=	SYM
12787	3282	611	=	=	SYM
12787	3282	612	=	=	SYM
12787	3282	613	=	=	SYM
12787	3282	614	=	=	SYM
12787	3282	615	=	=	SYM
12787	3282	616	SALTS	SALTS	NNP
12787	3282	617	=	=	SYM
12787	3282	618	=	=	SYM
12787	3282	619	=	=	SYM
12787	3282	620	=	=	SYM
12787	3282	621	=	=	SYM
12787	3282	622	=	=	SYM
12787	3282	623	=	=	SYM
12787	3282	624	=	=	SYM
12787	3282	625	=	=	SYM
12787	3282	626	=	=	SYM
12787	3282	627	=	=	SYM
12787	3282	628	=	=	SYM
12787	3282	629	=	=	SYM
12787	3282	630	=	=	SYM
12787	3282	631	=	=	SYM
12787	3282	632	=	=	SYM
12787	3282	633	=	=	SYM
12787	3282	634	=	=	SYM
12787	3282	635	=	=	SYM
12787	3282	636	=	=	SYM
12787	3282	637	=	=	SYM
12787	3282	638	=	=	SYM
12787	3282	639	=	=	SYM
12787	3282	640	=	=	SYM
12787	3282	641	=	=	SYM
12787	3282	642	=	=	SYM
12787	3282	643	=	=	SYM
12787	3282	644	=	=	SYM
12787	3282	645	=	=	SYM
12787	3282	646	=	=	SYM
12787	3282	647	=	=	SYM
12787	3282	648	=	=	SYM
12787	3282	649	=	=	SYM
12787	3282	650	=	=	SYM
12787	3282	651	=	=	SYM
12787	3282	652	=	=	SYM
12787	3282	653	=	=	SYM
12787	3282	654	=	=	SYM
12787	3282	655	=	=	SYM
12787	3282	656	=	=	SYM
12787	3282	657	=	=	SYM
12787	3282	658	=	=	SYM
12787	3282	659	=	=	SYM
12787	3282	660	=	=	SYM
12787	3282	661	=	=	SYM
12787	3282	662	=	=	SYM
12787	3282	663	=	=	SYM
12787	3282	664	=	=	SYM
12787	3282	665	=	=	SYM
12787	3282	666	=	=	SYM
12787	3282	667	=	=	SYM
12787	3282	668	=	=	SYM
12787	3282	669	=	=	SYM
12787	3282	670	=	=	SYM
12787	3282	671	=	=	SYM
12787	3282	672	=	=	SYM
12787	3282	673	=	=	SYM
12787	3282	674	=	=	SYM
12787	3282	675	=	=	SYM
12787	3282	676	=	=	SYM
12787	3282	677	=	=	SYM
12787	3282	678	=	=	SYM
12787	3282	679	=	=	SYM
12787	3282	680	=	=	SYM
12787	3282	681	=	=	SYM
12787	3282	682	=	=	SYM
12787	3282	683	=	=	SYM
12787	3282	684	=	=	SYM
12787	3282	685	=	=	SYM
12787	3282	686	=	=	SYM
12787	3282	687	=	=	SYM
12787	3282	688	=	=	SYM
12787	3282	689	=	=	SYM
12787	3282	690	|	|	NN
12787	3282	691	TYPE	TYPE	NNP
12787	3282	692	OF	of	IN
12787	3282	693	SALT	SALT	NNP
12787	3282	694	|	|	NNP
12787	3282	695	PERCENTAGE	PERCENTAGE	NNP
12787	3282	696	DISSOCIATION	DISSOCIATION	NNPS
12787	3282	697	IN	in	IN
12787	3282	698	|	|	CD
12787	3282	699	0.1	0.1	CD
12787	3282	700	EQUIVALENT	EQUIVALENT	NNP
12787	3282	701	SOLUTION	SOLUTION	NNP
12787	3282	702	_	_	NNP
12787	3282	703	_	_	NNP
12787	3282	704	_	_	NNP
12787	3282	705	_	_	NNP
12787	3282	706	_	_	NNP
12787	3282	707	_	_	NNP
12787	3282	708	_	_	NNP
12787	3282	709	_	_	NNP
12787	3282	710	_	_	NNP
12787	3282	711	_	_	NNP
12787	3282	712	_	_	NNP
12787	3282	713	_	_	NNP
12787	3282	714	_	_	NNP
12787	3282	715	_	_	NNP
12787	3282	716	_	_	NNP
12787	3282	717	_	_	NNP
12787	3282	718	_	_	NNP
12787	3282	719	_	_	NNP
12787	3282	720	_	_	NNP
12787	3282	721	_	_	NNP
12787	3282	722	_	_	NNP
12787	3282	723	_	_	NNP
12787	3282	724	_	_	NNP
12787	3282	725	_	_	NNP
12787	3282	726	_	_	NNP
12787	3282	727	_	_	NNP
12787	3282	728	_	_	NNP
12787	3282	729	_	_	NNP
12787	3282	730	_	_	NNP
12787	3282	731	_	_	NNP
12787	3282	732	_	_	NNP
12787	3282	733	_	_	NNP
12787	3282	734	_	_	NNP
12787	3282	735	_	_	NNP
12787	3282	736	_	_	NNP
12787	3282	737	_	_	NNP
12787	3282	738	_	_	NNP
12787	3282	739	_	_	NNP
12787	3282	740	_	_	NNP
12787	3282	741	_	_	NNP
12787	3282	742	_	_	NNP
12787	3282	743	_	_	NNP
12787	3282	744	_	_	NNP
12787	3282	745	_	_	NNP
12787	3282	746	_	_	NNP
12787	3282	747	|	|	NNP
12787	3282	748	_	_	NNP
12787	3282	749	_	_	NNP
12787	3282	750	_	_	NNP
12787	3282	751	_	_	NNP
12787	3282	752	_	_	NNP
12787	3282	753	_	_	NNP
12787	3282	754	_	_	NNP
12787	3282	755	_	_	NNP
12787	3282	756	_	_	NNP
12787	3282	757	_	_	NNP
12787	3282	758	_	_	NNP
12787	3282	759	_	_	NNP
12787	3282	760	_	_	NNP
12787	3282	761	_	_	NNP
12787	3282	762	_	_	NNP
12787	3282	763	_	_	NNP
12787	3282	764	_	_	NNP
12787	3282	765	_	_	NNP
12787	3282	766	_	_	NNP
12787	3282	767	_	_	NNP
12787	3282	768	_	_	NNP
12787	3282	769	_	_	NNP
12787	3282	770	_	_	NNP
12787	3282	771	_	_	NNP
12787	3282	772	_	_	NNP
12787	3282	773	_	_	NNP
12787	3282	774	_	_	NNP
12787	3282	775	|	|	NNP
12787	3282	776	R^{+}R^{-	R^{+}R^{-	NNP
12787	3282	777	}	}	-RRB-
12787	3282	778	|	|	NNP
12787	3282	779	86	86	CD
12787	3282	780	|	|	CD
12787	3282	781	R^{++}(R^{-})_{2	r^{++}(r^{-})_{2	NN
12787	3282	782	}	}	-RRB-
12787	3282	783	|	|	NNP
12787	3282	784	72	72	CD
12787	3282	785	|	|	NNS
12787	3282	786	(	(	-LRB-
12787	3282	787	R^{+})_{2}R^{--	r^{+})_{2}r^{--	CD
12787	3282	788	}	}	-RRB-
12787	3282	789	|	|	NNP
12787	3282	790	72	72	CD
12787	3282	791	|	|	NNS
12787	3282	792	R^{++}R^{--	R^{++}R^{--	NNPS
12787	3282	793	}	}	-RRB-
12787	3282	794	|	|	NNP
12787	3282	795	45	45	CD
12787	3282	796	|	|	CD
12787	3282	797	=	=	SYM
12787	3282	798	=	=	SYM
12787	3282	799	=	=	SYM
12787	3282	800	=	=	SYM
12787	3282	801	=	=	SYM
12787	3282	802	=	=	SYM
12787	3282	803	=	=	SYM
12787	3282	804	=	=	SYM
12787	3282	805	=	=	SYM
12787	3282	806	=	=	SYM
12787	3282	807	=	=	SYM
12787	3282	808	=	=	SYM
12787	3282	809	=	=	SYM
12787	3282	810	=	=	SYM
12787	3282	811	=	=	SYM
12787	3282	812	=	=	SYM
12787	3282	813	=	=	SYM
12787	3282	814	=	=	SYM
12787	3282	815	=	=	SYM
12787	3282	816	=	=	SYM
12787	3282	817	=	=	SYM
12787	3282	818	=	=	SYM
12787	3282	819	=	=	SYM
12787	3282	820	=	=	SYM
12787	3282	821	=	=	SYM
12787	3282	822	=	=	SYM
12787	3282	823	=	=	SYM
12787	3282	824	=	=	SYM
12787	3282	825	=	=	SYM
12787	3282	826	=	=	SYM
12787	3282	827	=	=	SYM
12787	3282	828	=	=	SYM
12787	3282	829	=	=	SYM
12787	3282	830	=	=	SYM
12787	3282	831	=	=	SYM
12787	3282	832	=	=	SYM
12787	3282	833	=	=	SYM
12787	3282	834	=	=	SYM
12787	3282	835	=	=	SYM
12787	3282	836	=	=	SYM
12787	3282	837	=	=	SYM
12787	3282	838	=	=	SYM
12787	3282	839	=	=	SYM
12787	3282	840	=	=	SYM
12787	3282	841	=	=	SYM
12787	3282	842	=	=	SYM
12787	3282	843	=	=	SYM
12787	3282	844	=	=	SYM
12787	3282	845	=	=	SYM
12787	3282	846	=	=	SYM
12787	3282	847	=	=	SYM
12787	3282	848	=	=	SYM
12787	3282	849	=	=	SYM
12787	3282	850	=	=	SYM
12787	3282	851	=	=	SYM
12787	3282	852	=	=	SYM
12787	3282	853	=	=	SYM
12787	3282	854	=	=	SYM
12787	3282	855	=	=	SYM
12787	3282	856	=	=	SYM
12787	3282	857	=	=	SYM
12787	3282	858	=	=	SYM
12787	3282	859	=	=	SYM
12787	3282	860	=	=	SYM
12787	3282	861	=	=	SYM
12787	3282	862	=	=	SYM
12787	3282	863	=	=	SYM
12787	3282	864	=	=	SYM
12787	3282	865	=	=	SYM
12787	3282	866	=	=	SYM
12787	3282	867	=	=	SYM
12787	3282	868	=	=	NFP
12787	3282	869	=	=	NFP
12787	3282	870	The	the	DT
12787	3282	871	percentage	percentage	NN
12787	3282	872	dissociation	dissociation	NN
12787	3282	873	is	be	VBZ
12787	3282	874	determined	determine	VBN
12787	3282	875	by	by	IN
12787	3282	876	studying	study	VBG
12787	3282	877	the	the	DT
12787	3282	878	electrical	electrical	JJ
12787	3282	879	conductivity	conductivity	NN
12787	3282	880	of	of	IN
12787	3282	881	the	the	DT
12787	3282	882	solutions	solution	NNS
12787	3282	883	and	and	CC
12787	3282	884	by	by	IN
12787	3282	885	other	other	JJ
12787	3282	886	physico	physico	NN
12787	3282	887	-	-	HYPH
12787	3282	888	chemical	chemical	NN
12787	3282	889	methods	method	NNS
12787	3282	890	,	,	,
12787	3282	891	and	and	CC
12787	3282	892	the	the	DT
12787	3282	893	following	follow	VBG
12787	3282	894	general	general	JJ
12787	3282	895	statements	statement	NNS
12787	3282	896	summarize	summarize	VBP
12787	3282	897	the	the	DT
12787	3282	898	results	result	NNS
12787	3282	899	:	:	:
12787	3282	900	!	!	.
12787	3282	901	Salts	Salts	NNP
12787	3282	902	!	!	.
12787	3282	903	,	,	,
12787	3282	904	as	as	IN
12787	3282	905	a	a	DT
12787	3282	906	class	class	NN
12787	3282	907	,	,	,
12787	3282	908	are	be	VBP
12787	3282	909	largely	largely	RB
12787	3282	910	dissociated	dissociate	VBN
12787	3282	911	in	in	IN
12787	3282	912	aqueous	aqueous	JJ
12787	3282	913	solution	solution	NN
12787	3282	914	.	.	.
12787	3283	1	!	!	.
12787	3283	2	Acids	acid	NNS
12787	3283	3	!	!	.
12787	3284	1	yield	yield	VB
12787	3284	2	H^{+	H^{+	NNP
12787	3284	3	}	}	-RRB-
12787	3284	4	ions	ion	NNS
12787	3284	5	in	in	IN
12787	3284	6	water	water	NN
12787	3284	7	solution	solution	NN
12787	3284	8	,	,	,
12787	3284	9	and	and	CC
12787	3284	10	the	the	DT
12787	3284	11	comparative	comparative	JJ
12787	3284	12	!	!	.
12787	3284	13	strength	strength	NN
12787	3284	14	!	!	.
12787	3284	15	,	,	,
12787	3284	16	that	that	RB
12787	3284	17	is	is	RB
12787	3284	18	,	,	,
12787	3284	19	the	the	DT
12787	3284	20	activity	activity	NN
12787	3284	21	,	,	,
12787	3284	22	of	of	IN
12787	3284	23	acids	acid	NNS
12787	3284	24	is	be	VBZ
12787	3284	25	proportional	proportional	JJ
12787	3284	26	to	to	IN
12787	3284	27	the	the	DT
12787	3284	28	concentration	concentration	NN
12787	3284	29	of	of	IN
12787	3284	30	the	the	DT
12787	3284	31	H^{+	H^{+	NNP
12787	3284	32	}	}	-RRB-
12787	3284	33	ions	ion	NNS
12787	3284	34	and	and	CC
12787	3284	35	is	be	VBZ
12787	3284	36	measured	measure	VBN
12787	3284	37	by	by	IN
12787	3284	38	the	the	DT
12787	3284	39	percentage	percentage	NN
12787	3284	40	dissociation	dissociation	NN
12787	3284	41	in	in	IN
12787	3284	42	solutions	solution	NNS
12787	3284	43	of	of	IN
12787	3284	44	equivalent	equivalent	JJ
12787	3284	45	concentration	concentration	NN
12787	3284	46	.	.	.
12787	3285	1	The	the	DT
12787	3285	2	common	common	JJ
12787	3285	3	mineral	mineral	NN
12787	3285	4	acids	acid	NNS
12787	3285	5	are	be	VBP
12787	3285	6	largely	largely	RB
12787	3285	7	dissociated	dissociated	JJ
12787	3285	8	and	and	CC
12787	3285	9	therefore	therefore	RB
12787	3285	10	give	give	VB
12787	3285	11	a	a	DT
12787	3285	12	relatively	relatively	RB
12787	3285	13	high	high	JJ
12787	3285	14	concentration	concentration	NN
12787	3285	15	of	of	IN
12787	3285	16	H^{+	H^{+	NNP
12787	3285	17	}	}	-RRB-
12787	3285	18	ions	ion	NNS
12787	3285	19	,	,	,
12787	3285	20	and	and	CC
12787	3285	21	are	be	VBP
12787	3285	22	commonly	commonly	RB
12787	3285	23	known	know	VBN
12787	3285	24	as	as	IN
12787	3285	25	"	"	``
12787	3285	26	strong	strong	JJ
12787	3285	27	acids	acid	NNS
12787	3285	28	.	.	.
12787	3285	29	"	"	''
12787	3286	1	The	the	DT
12787	3286	2	organic	organic	JJ
12787	3286	3	acids	acid	NNS
12787	3286	4	,	,	,
12787	3286	5	on	on	IN
12787	3286	6	the	the	DT
12787	3286	7	other	other	JJ
12787	3286	8	hand	hand	NN
12787	3286	9	,	,	,
12787	3286	10	belong	belong	VBP
12787	3286	11	generally	generally	RB
12787	3286	12	to	to	IN
12787	3286	13	the	the	DT
12787	3286	14	group	group	NN
12787	3286	15	of	of	IN
12787	3286	16	"	"	``
12787	3286	17	weak	weak	JJ
12787	3286	18	acids	acid	NNS
12787	3286	19	.	.	.
12787	3286	20	"	"	''
12787	3287	1	!	!	.
12787	3287	2	Bases	basis	NNS
12787	3287	3	!	!	.
12787	3288	1	yield	yield	VB
12787	3288	2	OH^{-	oh^{-	CD
12787	3288	3	}	}	-RRB-
12787	3288	4	ions	ion	NNS
12787	3288	5	in	in	IN
12787	3288	6	water	water	NN
12787	3288	7	solution	solution	NN
12787	3288	8	,	,	,
12787	3288	9	and	and	CC
12787	3288	10	the	the	DT
12787	3288	11	comparative	comparative	JJ
12787	3288	12	strength	strength	NN
12787	3288	13	of	of	IN
12787	3288	14	the	the	DT
12787	3288	15	bases	basis	NNS
12787	3288	16	is	be	VBZ
12787	3288	17	measured	measure	VBN
12787	3288	18	by	by	IN
12787	3288	19	their	-PRON-	PRP$
12787	3288	20	relative	relative	JJ
12787	3288	21	dissociation	dissociation	NN
12787	3288	22	in	in	IN
12787	3288	23	solutions	solution	NNS
12787	3288	24	of	of	IN
12787	3288	25	equivalent	equivalent	JJ
12787	3288	26	concentration	concentration	NN
12787	3288	27	.	.	.
12787	3289	1	Ammonium	ammonium	NN
12787	3289	2	hydroxide	hydroxide	NN
12787	3289	3	is	be	VBZ
12787	3289	4	a	a	DT
12787	3289	5	weak	weak	JJ
12787	3289	6	base	base	NN
12787	3289	7	,	,	,
12787	3289	8	as	as	IN
12787	3289	9	shown	show	VBN
12787	3289	10	in	in	IN
12787	3289	11	the	the	DT
12787	3289	12	table	table	NN
12787	3289	13	above	above	RB
12787	3289	14	,	,	,
12787	3289	15	while	while	IN
12787	3289	16	the	the	DT
12787	3289	17	hydroxides	hydroxide	NNS
12787	3289	18	of	of	IN
12787	3289	19	sodium	sodium	NN
12787	3289	20	and	and	CC
12787	3289	21	potassium	potassium	NN
12787	3289	22	exhibit	exhibit	NN
12787	3289	23	strongly	strongly	RB
12787	3289	24	basic	basic	JJ
12787	3289	25	properties	property	NNS
12787	3289	26	.	.	.
12787	3290	1	Ionic	ionic	JJ
12787	3290	2	reactions	reaction	NNS
12787	3290	3	are	be	VBP
12787	3290	4	all	all	DT
12787	3290	5	,	,	,
12787	3290	6	to	to	IN
12787	3290	7	a	a	DT
12787	3290	8	greater	great	JJR
12787	3290	9	or	or	CC
12787	3290	10	less	less	JJR
12787	3290	11	degree	degree	NN
12787	3290	12	,	,	,
12787	3290	13	!	!	.
12787	3290	14	reversible	reversible	JJ
12787	3290	15	reactions	reaction	NNS
12787	3290	16	!	!	.
12787	3290	17	.	.	.
12787	3291	1	A	a	DT
12787	3291	2	typical	typical	JJ
12787	3291	3	example	example	NN
12787	3291	4	of	of	IN
12787	3291	5	an	an	DT
12787	3291	6	easily	easily	RB
12787	3291	7	reversible	reversible	JJ
12787	3291	8	reaction	reaction	NN
12787	3291	9	is	be	VBZ
12787	3291	10	that	that	IN
12787	3291	11	representing	represent	VBG
12787	3291	12	the	the	DT
12787	3291	13	changes	change	NNS
12787	3291	14	in	in	IN
12787	3291	15	ionization	ionization	NN
12787	3291	16	which	which	WDT
12787	3291	17	an	an	DT
12787	3291	18	electrolyte	electrolyte	NN
12787	3291	19	such	such	JJ
12787	3291	20	as	as	IN
12787	3291	21	acetic	acetic	JJ
12787	3291	22	acid	acid	NN
12787	3291	23	undergoes	undergoe	NNS
12787	3291	24	on	on	IN
12787	3291	25	dilution	dilution	NN
12787	3291	26	or	or	CC
12787	3291	27	concentration	concentration	NN
12787	3291	28	of	of	IN
12787	3291	29	its	-PRON-	PRP$
12787	3291	30	solutions	solution	NNS
12787	3291	31	,	,	,
12787	3291	32	!	!	.
12787	3291	33	i.e.	i.e.	FW
12787	3292	1	!	!	.
12787	3292	2	,	,	,
12787	3292	3	HC_{2}H_{3}O_{2	HC_{2}H_{3}O_{2	NNP
12787	3292	4	}	}	-RRB-
12787	3292	5	<	<	XX
12787	3292	6	--	--	:
12787	3292	7	>	>	XX
12787	3292	8	H^{+	H^{+	NNP
12787	3292	9	}	}	-RRB-
12787	3292	10	+	+	SYM
12787	3292	11	C_{2}H_{3}O_{2}^{-	C_{2}H_{3}O_{2}^{-	NNP
12787	3292	12	}	}	-RRB-
12787	3292	13	.	.	.
12787	3293	1	As	as	IN
12787	3293	2	was	be	VBD
12787	3293	3	stated	state	VBN
12787	3293	4	above	above	IN
12787	3293	5	,	,	,
12787	3293	6	the	the	DT
12787	3293	7	ionization	ionization	NN
12787	3293	8	increases	increase	VBZ
12787	3293	9	with	with	IN
12787	3293	10	dilution	dilution	NN
12787	3293	11	,	,	,
12787	3293	12	the	the	DT
12787	3293	13	reaction	reaction	NN
12787	3293	14	then	then	RB
12787	3293	15	proceeding	proceed	VBG
12787	3293	16	from	from	IN
12787	3293	17	left	left	NN
12787	3293	18	to	to	IN
12787	3293	19	right	right	NN
12787	3293	20	,	,	,
12787	3293	21	while	while	IN
12787	3293	22	concentration	concentration	NN
12787	3293	23	of	of	IN
12787	3293	24	the	the	DT
12787	3293	25	solution	solution	NN
12787	3293	26	occasions	occasion	NNS
12787	3293	27	a	a	DT
12787	3293	28	partial	partial	JJ
12787	3293	29	reassociation	reassociation	NN
12787	3293	30	of	of	IN
12787	3293	31	the	the	DT
12787	3293	32	ions	ion	NNS
12787	3293	33	,	,	,
12787	3293	34	and	and	CC
12787	3293	35	the	the	DT
12787	3293	36	reaction	reaction	NN
12787	3293	37	proceeds	proceed	VBZ
12787	3293	38	from	from	IN
12787	3293	39	right	right	NN
12787	3293	40	to	to	IN
12787	3293	41	left	left	NN
12787	3293	42	.	.	.
12787	3294	1	To	to	TO
12787	3294	2	understand	understand	VB
12787	3294	3	the	the	DT
12787	3294	4	principle	principle	NN
12787	3294	5	underlying	underlie	VBG
12787	3294	6	these	these	DT
12787	3294	7	changes	change	NNS
12787	3294	8	it	-PRON-	PRP
12787	3294	9	is	be	VBZ
12787	3294	10	necessary	necessary	JJ
12787	3294	11	to	to	TO
12787	3294	12	consider	consider	VB
12787	3294	13	first	first	RB
12787	3294	14	the	the	DT
12787	3294	15	conditions	condition	NNS
12787	3294	16	which	which	WDT
12787	3294	17	prevail	prevail	VBP
12787	3294	18	when	when	WRB
12787	3294	19	a	a	DT
12787	3294	20	solution	solution	NN
12787	3294	21	of	of	IN
12787	3294	22	acetic	acetic	JJ
12787	3294	23	acid	acid	NN
12787	3294	24	,	,	,
12787	3294	25	which	which	WDT
12787	3294	26	has	have	VBZ
12787	3294	27	been	be	VBN
12787	3294	28	stirred	stir	VBN
12787	3294	29	until	until	IN
12787	3294	30	it	-PRON-	PRP
12787	3294	31	is	be	VBZ
12787	3294	32	of	of	IN
12787	3294	33	uniform	uniform	JJ
12787	3294	34	concentration	concentration	NN
12787	3294	35	throughout	throughout	IN
12787	3294	36	,	,	,
12787	3294	37	has	have	VBZ
12787	3294	38	come	come	VBN
12787	3294	39	to	to	IN
12787	3294	40	a	a	DT
12787	3294	41	constant	constant	JJ
12787	3294	42	temperature	temperature	NN
12787	3294	43	.	.	.
12787	3295	1	A	a	DT
12787	3295	2	careful	careful	JJ
12787	3295	3	study	study	NN
12787	3295	4	of	of	IN
12787	3295	5	such	such	JJ
12787	3295	6	solutions	solution	NNS
12787	3295	7	has	have	VBZ
12787	3295	8	shown	show	VBN
12787	3295	9	that	that	IN
12787	3295	10	there	there	EX
12787	3295	11	is	be	VBZ
12787	3295	12	a	a	DT
12787	3295	13	definite	definite	JJ
12787	3295	14	state	state	NN
12787	3295	15	of	of	IN
12787	3295	16	equilibrium	equilibrium	NN
12787	3295	17	between	between	IN
12787	3295	18	the	the	DT
12787	3295	19	constituents	constituent	NNS
12787	3295	20	of	of	IN
12787	3295	21	the	the	DT
12787	3295	22	solution	solution	NN
12787	3295	23	;	;	:
12787	3295	24	that	that	RB
12787	3295	25	is	is	RB
12787	3295	26	,	,	,
12787	3295	27	there	there	EX
12787	3295	28	is	be	VBZ
12787	3295	29	a	a	DT
12787	3295	30	definite	definite	JJ
12787	3295	31	relation	relation	NN
12787	3295	32	between	between	IN
12787	3295	33	the	the	DT
12787	3295	34	undissociated	undissociated	JJ
12787	3295	35	acetic	acetic	JJ
12787	3295	36	acid	acid	NN
12787	3295	37	and	and	CC
12787	3295	38	its	-PRON-	PRP$
12787	3295	39	ions	ion	NNS
12787	3295	40	,	,	,
12787	3295	41	which	which	WDT
12787	3295	42	is	be	VBZ
12787	3295	43	characteristic	characteristic	JJ
12787	3295	44	for	for	IN
12787	3295	45	the	the	DT
12787	3295	46	prevailing	prevail	VBG
12787	3295	47	conditions	condition	NNS
12787	3295	48	.	.	.
12787	3296	1	It	-PRON-	PRP
12787	3296	2	is	be	VBZ
12787	3296	3	not	not	RB
12787	3296	4	,	,	,
12787	3296	5	however	however	RB
12787	3296	6	,	,	,
12787	3296	7	assumed	assume	VBD
12787	3296	8	that	that	IN
12787	3296	9	this	this	DT
12787	3296	10	is	be	VBZ
12787	3296	11	a	a	DT
12787	3296	12	condition	condition	NN
12787	3296	13	of	of	IN
12787	3296	14	static	static	JJ
12787	3296	15	equilibrium	equilibrium	NN
12787	3296	16	,	,	,
12787	3296	17	but	but	CC
12787	3296	18	rather	rather	RB
12787	3296	19	that	that	IN
12787	3296	20	there	there	EX
12787	3296	21	is	be	VBZ
12787	3296	22	continual	continual	JJ
12787	3296	23	dissociation	dissociation	NN
12787	3296	24	and	and	CC
12787	3296	25	association	association	NN
12787	3296	26	,	,	,
12787	3296	27	as	as	IN
12787	3296	28	represented	represent	VBN
12787	3296	29	by	by	IN
12787	3296	30	the	the	DT
12787	3296	31	opposing	oppose	VBG
12787	3296	32	reactions	reaction	NNS
12787	3296	33	,	,	,
12787	3296	34	the	the	DT
12787	3296	35	apparent	apparent	JJ
12787	3296	36	condition	condition	NN
12787	3296	37	of	of	IN
12787	3296	38	rest	rest	NN
12787	3296	39	resulting	result	VBG
12787	3296	40	from	from	IN
12787	3296	41	the	the	DT
12787	3296	42	fact	fact	NN
12787	3296	43	that	that	IN
12787	3296	44	the	the	DT
12787	3296	45	amount	amount	NN
12787	3296	46	of	of	IN
12787	3296	47	change	change	NN
12787	3296	48	in	in	IN
12787	3296	49	one	one	CD
12787	3296	50	direction	direction	NN
12787	3296	51	during	during	IN
12787	3296	52	a	a	DT
12787	3296	53	given	give	VBN
12787	3296	54	time	time	NN
12787	3296	55	is	be	VBZ
12787	3296	56	exactly	exactly	RB
12787	3296	57	equal	equal	JJ
12787	3296	58	to	to	IN
12787	3296	59	that	that	DT
12787	3296	60	in	in	IN
12787	3296	61	the	the	DT
12787	3296	62	opposite	opposite	JJ
12787	3296	63	direction	direction	NN
12787	3296	64	.	.	.
12787	3297	1	A	a	DT
12787	3297	2	quantitative	quantitative	JJ
12787	3297	3	study	study	NN
12787	3297	4	of	of	IN
12787	3297	5	the	the	DT
12787	3297	6	amount	amount	NN
12787	3297	7	of	of	IN
12787	3297	8	undissociated	undissociated	JJ
12787	3297	9	acid	acid	NN
12787	3297	10	,	,	,
12787	3297	11	and	and	CC
12787	3297	12	of	of	IN
12787	3297	13	H^{+	H^{+	NNP
12787	3297	14	}	}	-RRB-
12787	3297	15	ions	ion	NNS
12787	3297	16	and	and	CC
12787	3297	17	C_{2}H_{3}O_{2}^{-	C_{2}H_{3}O_{2}^{-	NNP
12787	3297	18	}	}	-RRB-
12787	3297	19	ions	ion	NNS
12787	3297	20	actually	actually	RB
12787	3297	21	to	to	TO
12787	3297	22	be	be	VB
12787	3297	23	found	find	VBN
12787	3297	24	in	in	IN
12787	3297	25	a	a	DT
12787	3297	26	large	large	JJ
12787	3297	27	number	number	NN
12787	3297	28	of	of	IN
12787	3297	29	solutions	solution	NNS
12787	3297	30	of	of	IN
12787	3297	31	acetic	acetic	JJ
12787	3297	32	acid	acid	NN
12787	3297	33	of	of	IN
12787	3297	34	varying	vary	VBG
12787	3297	35	dilution	dilution	NN
12787	3297	36	(	(	-LRB-
12787	3297	37	assuming	assume	VBG
12787	3297	38	them	-PRON-	PRP
12787	3297	39	to	to	TO
12787	3297	40	be	be	VB
12787	3297	41	in	in	IN
12787	3297	42	a	a	DT
12787	3297	43	condition	condition	NN
12787	3297	44	of	of	IN
12787	3297	45	equilibrium	equilibrium	NN
12787	3297	46	at	at	IN
12787	3297	47	a	a	DT
12787	3297	48	common	common	JJ
12787	3297	49	temperature	temperature	NN
12787	3297	50	)	)	-RRB-
12787	3297	51	,	,	,
12787	3297	52	has	have	VBZ
12787	3297	53	shown	show	VBN
12787	3297	54	that	that	IN
12787	3297	55	there	there	EX
12787	3297	56	is	be	VBZ
12787	3297	57	always	always	RB
12787	3297	58	a	a	DT
12787	3297	59	definite	definite	JJ
12787	3297	60	relation	relation	NN
12787	3297	61	between	between	IN
12787	3297	62	these	these	DT
12787	3297	63	three	three	CD
12787	3297	64	quantities	quantity	NNS
12787	3297	65	which	which	WDT
12787	3297	66	may	may	MD
12787	3297	67	be	be	VB
12787	3297	68	expressed	express	VBN
12787	3297	69	thus	thus	RB
12787	3297	70	:	:	:
12787	3297	71	(	(	-LRB-
12787	3297	72	!	!	.
12787	3297	73	Conc'n	Conc'n	NNP
12787	3297	74	H^{+	H^{+	NNP
12787	3297	75	}	}	-RRB-
12787	3297	76	x	x	SYM
12787	3297	77	Conc'n	Conc'n	NNP
12787	3297	78	C_{2}H_{3}O_{2}^{-})/Conc'n	C_{2}H_{3}O_{2}^{-})/Conc'n	NNP
12787	3297	79	HC_{2}H_{3}O_{2	HC_{2}H_{3}O_{2	NNP
12787	3297	80	}	}	-RRB-
12787	3297	81	=	=	-RRB-
12787	3297	82	Constant	constant	JJ
12787	3297	83	!	!	.
12787	3297	84	.	.	.
12787	3298	1	In	in	IN
12787	3298	2	other	other	JJ
12787	3298	3	words	word	NNS
12787	3298	4	,	,	,
12787	3298	5	there	there	EX
12787	3298	6	is	be	VBZ
12787	3298	7	always	always	RB
12787	3298	8	a	a	DT
12787	3298	9	definite	definite	JJ
12787	3298	10	and	and	CC
12787	3298	11	constant	constant	JJ
12787	3298	12	ratio	ratio	NN
12787	3298	13	between	between	IN
12787	3298	14	the	the	DT
12787	3298	15	product	product	NN
12787	3298	16	of	of	IN
12787	3298	17	the	the	DT
12787	3298	18	concentrations	concentration	NNS
12787	3298	19	of	of	IN
12787	3298	20	the	the	DT
12787	3298	21	ions	ion	NNS
12787	3298	22	and	and	CC
12787	3298	23	the	the	DT
12787	3298	24	concentration	concentration	NN
12787	3298	25	of	of	IN
12787	3298	26	the	the	DT
12787	3298	27	undissociated	undissociated	JJ
12787	3298	28	acid	acid	NN
12787	3298	29	when	when	WRB
12787	3298	30	conditions	condition	NNS
12787	3298	31	of	of	IN
12787	3298	32	equilibrium	equilibrium	NN
12787	3298	33	prevail	prevail	NN
12787	3298	34	.	.	.
12787	3299	1	It	-PRON-	PRP
12787	3299	2	has	have	VBZ
12787	3299	3	been	be	VBN
12787	3299	4	found	find	VBN
12787	3299	5	,	,	,
12787	3299	6	further	further	RB
12787	3299	7	,	,	,
12787	3299	8	that	that	IN
12787	3299	9	a	a	DT
12787	3299	10	similar	similar	JJ
12787	3299	11	statement	statement	NN
12787	3299	12	may	may	MD
12787	3299	13	be	be	VB
12787	3299	14	made	make	VBN
12787	3299	15	regarding	regard	VBG
12787	3299	16	all	all	DT
12787	3299	17	reversible	reversible	JJ
12787	3299	18	reactions	reaction	NNS
12787	3299	19	,	,	,
12787	3299	20	which	which	WDT
12787	3299	21	may	may	MD
12787	3299	22	be	be	VB
12787	3299	23	expressed	express	VBN
12787	3299	24	in	in	IN
12787	3299	25	general	general	JJ
12787	3299	26	terms	term	NNS
12787	3299	27	thus	thus	RB
12787	3299	28	:	:	:
12787	3299	29	The	the	DT
12787	3299	30	rate	rate	NN
12787	3299	31	of	of	IN
12787	3299	32	chemical	chemical	JJ
12787	3299	33	change	change	NN
12787	3299	34	is	be	VBZ
12787	3299	35	proportional	proportional	JJ
12787	3299	36	to	to	IN
12787	3299	37	the	the	DT
12787	3299	38	product	product	NN
12787	3299	39	of	of	IN
12787	3299	40	the	the	DT
12787	3299	41	concentrations	concentration	NNS
12787	3299	42	of	of	IN
12787	3299	43	the	the	DT
12787	3299	44	substances	substance	NNS
12787	3299	45	taking	take	VBG
12787	3299	46	part	part	NN
12787	3299	47	in	in	IN
12787	3299	48	the	the	DT
12787	3299	49	reaction	reaction	NN
12787	3299	50	;	;	:
12787	3299	51	or	or	CC
12787	3299	52	,	,	,
12787	3299	53	if	if	IN
12787	3299	54	conditions	condition	NNS
12787	3299	55	of	of	IN
12787	3299	56	equilibrium	equilibrium	NN
12787	3299	57	are	be	VBP
12787	3299	58	considered	consider	VBN
12787	3299	59	in	in	IN
12787	3299	60	which	which	WDT
12787	3299	61	,	,	,
12787	3299	62	as	as	IN
12787	3299	63	stated	state	VBN
12787	3299	64	,	,	,
12787	3299	65	the	the	DT
12787	3299	66	rate	rate	NN
12787	3299	67	of	of	IN
12787	3299	68	change	change	NN
12787	3299	69	in	in	IN
12787	3299	70	opposite	opposite	JJ
12787	3299	71	directions	direction	NNS
12787	3299	72	is	be	VBZ
12787	3299	73	assumed	assume	VBN
12787	3299	74	to	to	TO
12787	3299	75	be	be	VB
12787	3299	76	equal	equal	JJ
12787	3299	77	,	,	,
12787	3299	78	then	then	RB
12787	3299	79	the	the	DT
12787	3299	80	product	product	NN
12787	3299	81	of	of	IN
12787	3299	82	the	the	DT
12787	3299	83	concentrations	concentration	NNS
12787	3299	84	of	of	IN
12787	3299	85	the	the	DT
12787	3299	86	substances	substance	NNS
12787	3299	87	entering	enter	VBG
12787	3299	88	into	into	IN
12787	3299	89	the	the	DT
12787	3299	90	reaction	reaction	NN
12787	3299	91	stands	stand	VBZ
12787	3299	92	in	in	IN
12787	3299	93	a	a	DT
12787	3299	94	constant	constant	JJ
12787	3299	95	ratio	ratio	NN
12787	3299	96	to	to	IN
12787	3299	97	the	the	DT
12787	3299	98	product	product	NN
12787	3299	99	of	of	IN
12787	3299	100	the	the	DT
12787	3299	101	concentrations	concentration	NNS
12787	3299	102	of	of	IN
12787	3299	103	the	the	DT
12787	3299	104	resulting	result	VBG
12787	3299	105	substances	substance	NNS
12787	3299	106	,	,	,
12787	3299	107	as	as	IN
12787	3299	108	given	give	VBN
12787	3299	109	in	in	IN
12787	3299	110	the	the	DT
12787	3299	111	expression	expression	NN
12787	3299	112	above	above	IN
12787	3299	113	for	for	IN
12787	3299	114	the	the	DT
12787	3299	115	solutions	solution	NNS
12787	3299	116	of	of	IN
12787	3299	117	acetic	acetic	JJ
12787	3299	118	acid	acid	NN
12787	3299	119	.	.	.
12787	3300	1	This	this	DT
12787	3300	2	principle	principle	NN
12787	3300	3	is	be	VBZ
12787	3300	4	called	call	VBN
12787	3300	5	the	the	DT
12787	3300	6	!	!	.
12787	3300	7	Law	Law	NNP
12787	3300	8	of	of	IN
12787	3300	9	Mass	Mass	NNP
12787	3300	10	Action	Action	NNP
12787	3300	11	!	!	.
12787	3300	12	.	.	.
12787	3301	1	It	-PRON-	PRP
12787	3301	2	should	should	MD
12787	3301	3	be	be	VB
12787	3301	4	borne	bear	VBN
12787	3301	5	in	in	IN
12787	3301	6	mind	mind	NN
12787	3301	7	that	that	IN
12787	3301	8	the	the	DT
12787	3301	9	expression	expression	NN
12787	3301	10	above	above	IN
12787	3301	11	for	for	IN
12787	3301	12	acetic	acetic	JJ
12787	3301	13	acid	acid	NN
12787	3301	14	applies	apply	VBZ
12787	3301	15	to	to	IN
12787	3301	16	a	a	DT
12787	3301	17	wide	wide	JJ
12787	3301	18	range	range	NN
12787	3301	19	of	of	IN
12787	3301	20	dilutions	dilution	NNS
12787	3301	21	,	,	,
12787	3301	22	provided	provide	VBD
12787	3301	23	the	the	DT
12787	3301	24	temperature	temperature	NN
12787	3301	25	remains	remain	VBZ
12787	3301	26	constant	constant	JJ
12787	3301	27	.	.	.
12787	3302	1	If	if	IN
12787	3302	2	the	the	DT
12787	3302	3	temperature	temperature	NN
12787	3302	4	changes	change	VBZ
12787	3302	5	the	the	DT
12787	3302	6	value	value	NN
12787	3302	7	of	of	IN
12787	3302	8	the	the	DT
12787	3302	9	constant	constant	JJ
12787	3302	10	changes	change	NNS
12787	3302	11	somewhat	somewhat	RB
12787	3302	12	,	,	,
12787	3302	13	but	but	CC
12787	3302	14	is	be	VBZ
12787	3302	15	again	again	RB
12787	3302	16	uniform	uniform	JJ
12787	3302	17	for	for	IN
12787	3302	18	different	different	JJ
12787	3302	19	dilutions	dilution	NNS
12787	3302	20	at	at	IN
12787	3302	21	that	that	DT
12787	3302	22	temperature	temperature	NN
12787	3302	23	.	.	.
12787	3303	1	The	the	DT
12787	3303	2	following	follow	VBG
12787	3303	3	data	datum	NNS
12787	3303	4	are	be	VBP
12787	3303	5	given	give	VBN
12787	3303	6	for	for	IN
12787	3303	7	temperatures	temperature	NNS
12787	3303	8	of	of	IN
12787	3303	9	about	about	IN
12787	3303	10	18Â	18Â	NNP
12787	3303	11	°	°	,
12787	3303	12	C	C	NNP
12787	3303	13	.	.	.
12787	3304	1	[	[	-LRB-
12787	3304	2	1	1	CD
12787	3304	3	]	]	-RRB-
12787	3304	4	=	=	NFP
12787	3304	5	=	=	NFP
12787	3304	6	=	=	SYM
12787	3304	7	=	=	SYM
12787	3304	8	=	=	SYM
12787	3304	9	=	=	SYM
12787	3304	10	=	=	SYM
12787	3304	11	=	=	SYM
12787	3304	12	=	=	SYM
12787	3304	13	=	=	SYM
12787	3304	14	=	=	SYM
12787	3304	15	=	=	SYM
12787	3304	16	=	=	SYM
12787	3304	17	=	=	SYM
12787	3304	18	=	=	SYM
12787	3304	19	=	=	SYM
12787	3304	20	=	=	SYM
12787	3304	21	=	=	SYM
12787	3304	22	=	=	SYM
12787	3304	23	=	=	SYM
12787	3304	24	=	=	SYM
12787	3304	25	=	=	SYM
12787	3304	26	=	=	SYM
12787	3304	27	=	=	SYM
12787	3304	28	=	=	SYM
12787	3304	29	=	=	SYM
12787	3304	30	=	=	SYM
12787	3304	31	=	=	SYM
12787	3304	32	=	=	SYM
12787	3304	33	=	=	SYM
12787	3304	34	=	=	SYM
12787	3304	35	=	=	SYM
12787	3304	36	=	=	SYM
12787	3304	37	=	=	SYM
12787	3304	38	=	=	SYM
12787	3304	39	=	=	SYM
12787	3304	40	=	=	SYM
12787	3304	41	=	=	SYM
12787	3304	42	=	=	SYM
12787	3304	43	=	=	SYM
12787	3304	44	=	=	SYM
12787	3304	45	=	=	SYM
12787	3304	46	=	=	SYM
12787	3304	47	=	=	SYM
12787	3304	48	=	=	SYM
12787	3304	49	=	=	SYM
12787	3304	50	=	=	SYM
12787	3304	51	=	=	SYM
12787	3304	52	=	=	SYM
12787	3304	53	=	=	SYM
12787	3304	54	=	=	SYM
12787	3304	55	=	=	SYM
12787	3304	56	=	=	SYM
12787	3304	57	=	=	SYM
12787	3304	58	=	=	SYM
12787	3304	59	=	=	SYM
12787	3304	60	=	=	SYM
12787	3304	61	=	=	SYM
12787	3304	62	=	=	SYM
12787	3304	63	=	=	SYM
12787	3304	64	=	=	SYM
12787	3304	65	=	=	SYM
12787	3304	66	=	=	SYM
12787	3304	67	=	=	SYM
12787	3304	68	=	=	SYM
12787	3304	69	=	=	SYM
12787	3304	70	=	=	SYM
12787	3304	71	=	=	SYM
12787	3304	72	=	=	SYM
12787	3304	73	=	=	SYM
12787	3304	74	=	=	SYM
12787	3304	75	=	=	SYM
12787	3304	76	=	=	SYM
12787	3304	77	=	=	SYM
12787	3304	78	|	|	NNP
12787	3304	79	|	|	NNP
12787	3304	80	|	|	CD
12787	3304	81	|	|	NNP
12787	3304	82	MOLAL	MOLAL	NNP
12787	3304	83	|	|	NNP
12787	3304	84	FRACTION	FRACTION	NNP
12787	3304	85	|	|	NNP
12787	3304	86	MOLAL	MOLAL	NNP
12787	3304	87	CONCENTRA-	CONCENTRA-	VBD
12787	3304	88	|	|	NNP
12787	3304	89	MOLAL	MOLAL	NNP
12787	3304	90	CONCENTRA-	CONCENTRA-	NNS
12787	3304	91	|	|	JJ
12787	3304	92	VALUE	VALUE	NNP
12787	3304	93	OF	of	IN
12787	3304	94	CONCENTRATION	CONCENTRATION	NNP
12787	3304	95	|	|	NNP
12787	3304	96	IONIZED	IONIZED	NNP
12787	3304	97	|	|	NNP
12787	3304	98	TION	TION	NNP
12787	3304	99	OF	of	IN
12787	3304	100	H^{+	H^{+	NNP
12787	3304	101	}	}	-RRB-
12787	3304	102	AND|	AND|	NNP
12787	3304	103	TION	TION	NNP
12787	3304	104	OF	of	IN
12787	3304	105	UNDIS-	UNDIS-	NNP
12787	3304	106	|	|	NNP
12787	3304	107	CONSTANT	CONSTANT	NNP
12787	3304	108	CONSTANT	CONSTANT	NNP
12787	3304	109	|	|	NNPS
12787	3304	110	|	|	NNP
12787	3304	111	ACETATE^{-	ACETATE^{-	NNS
12787	3304	112	}	}	-RRB-
12787	3304	113	IONS	IONS	NNP
12787	3304	114	|	|	CD
12787	3304	115	SOCIATED	sociate	VBD
12787	3304	116	ACID	ACID	NNP
12787	3304	117	|	|	NNP
12787	3304	118	_	_	NNP
12787	3304	119	_	_	NNP
12787	3304	120	_	_	NNP
12787	3304	121	_	_	NNP
12787	3304	122	_	_	NNP
12787	3304	123	_	_	NNP
12787	3304	124	_	_	NNP
12787	3304	125	_	_	NNP
12787	3304	126	_	_	NNP
12787	3304	127	_	_	NNP
12787	3304	128	_	_	NNP
12787	3304	129	_	_	NNP
12787	3304	130	_	_	NNP
12787	3304	131	_	_	NNP
12787	3304	132	|__________|__________________|__________________|	|__________|__________________|__________________|	NNP
12787	3304	133	_	_	NNP
12787	3304	134	_	_	NNP
12787	3304	135	_	_	NNP
12787	3304	136	_	_	NNP
12787	3304	137	_	_	NNP
12787	3304	138	_	_	NNP
12787	3304	139	_	_	NNP
12787	3304	140	_	_	NNP
12787	3304	141	_	_	NNP
12787	3304	142	_	_	NNP
12787	3304	143	|	|	NNP
12787	3304	144	|	|	NNP
12787	3304	145	|	|	CD
12787	3304	146	|	|	CD
12787	3304	147	1.0	1.0	CD
12787	3304	148	|	|	CD
12787	3304	149	.004	.004	CD
12787	3304	150	|	|	CD
12787	3304	151	.004	.004	CD
12787	3304	152	|	|	CD
12787	3304	153	.996	.996	CD
12787	3304	154	|	|	CD
12787	3304	155	.0000161	.0000161	NNP
12787	3304	156	|	|	CD
12787	3304	157	|	|	CD
12787	3304	158	|	|	CD
12787	3304	159	|	|	CD
12787	3304	160	0.1	0.1	CD
12787	3304	161	|	|	CD
12787	3304	162	.013	.013	CD
12787	3304	163	|	|	CD
12787	3304	164	.0013	.0013	NN
12787	3304	165	|	|	NNP
12787	3304	166	.0987	.0987	NNP
12787	3304	167	|	|	NNP
12787	3304	168	.0000171	.0000171	NFP
12787	3304	169	|	|	CD
12787	3304	170	|	|	CD
12787	3304	171	|	|	CD
12787	3304	172	|	|	CD
12787	3304	173	0.01	0.01	CD
12787	3304	174	|	|	NNP
12787	3304	175	.0407	.0407	NNP
12787	3304	176	|	|	NNP
12787	3304	177	.000407	.000407	NNP
12787	3304	178	|	|	NNP
12787	3304	179	.009593	.009593	.
12787	3304	180	|	|	NNP
12787	3304	181	.0000172	.0000172	NNP
12787	3304	182	|	|	NNP
12787	3304	183	|	|	NNP
12787	3304	184	|	|	CD
12787	3304	185	|	|	NNS
12787	3304	186	=	=	SYM
12787	3304	187	=	=	SYM
12787	3304	188	=	=	SYM
12787	3304	189	=	=	SYM
12787	3304	190	=	=	SYM
12787	3304	191	=	=	SYM
12787	3304	192	=	=	SYM
12787	3304	193	=	=	SYM
12787	3304	194	=	=	SYM
12787	3304	195	=	=	SYM
12787	3304	196	=	=	SYM
12787	3304	197	=	=	SYM
12787	3304	198	=	=	SYM
12787	3304	199	=	=	SYM
12787	3304	200	=	=	SYM
12787	3304	201	=	=	SYM
12787	3304	202	=	=	SYM
12787	3304	203	=	=	SYM
12787	3304	204	=	=	SYM
12787	3304	205	=	=	SYM
12787	3304	206	=	=	SYM
12787	3304	207	=	=	SYM
12787	3304	208	=	=	SYM
12787	3304	209	=	=	SYM
12787	3304	210	=	=	SYM
12787	3304	211	=	=	SYM
12787	3304	212	=	=	SYM
12787	3304	213	=	=	SYM
12787	3304	214	=	=	SYM
12787	3304	215	=	=	SYM
12787	3304	216	=	=	SYM
12787	3304	217	=	=	SYM
12787	3304	218	=	=	SYM
12787	3304	219	=	=	SYM
12787	3304	220	=	=	SYM
12787	3304	221	=	=	SYM
12787	3304	222	=	=	SYM
12787	3304	223	=	=	SYM
12787	3304	224	=	=	SYM
12787	3304	225	=	=	SYM
12787	3304	226	=	=	SYM
12787	3304	227	=	=	SYM
12787	3304	228	=	=	SYM
12787	3304	229	=	=	SYM
12787	3304	230	=	=	SYM
12787	3304	231	=	=	SYM
12787	3304	232	=	=	SYM
12787	3304	233	=	=	SYM
12787	3304	234	=	=	SYM
12787	3304	235	=	=	SYM
12787	3304	236	=	=	SYM
12787	3304	237	=	=	SYM
12787	3304	238	=	=	SYM
12787	3304	239	=	=	SYM
12787	3304	240	=	=	SYM
12787	3304	241	=	=	SYM
12787	3304	242	=	=	SYM
12787	3304	243	=	=	SYM
12787	3304	244	=	=	SYM
12787	3304	245	=	=	SYM
12787	3304	246	=	=	SYM
12787	3304	247	=	=	SYM
12787	3304	248	=	=	SYM
12787	3304	249	=	=	SYM
12787	3304	250	=	=	SYM
12787	3304	251	=	=	SYM
12787	3304	252	=	=	SYM
12787	3304	253	=	=	SYM
12787	3304	254	=	=	SYM
12787	3304	255	=	=	SYM
12787	3304	256	=	=	SYM
12787	3304	257	=	=	SYM
12787	3304	258	=	=	NFP
12787	3304	259	=	=	NFP
12787	3304	260	=	=	NFP
12787	3304	261	[	[	-LRB-
12787	3304	262	Footnote	footnote	NN
12787	3304	263	1	1	CD
12787	3304	264	:	:	:
12787	3304	265	Alexander	Alexander	NNP
12787	3304	266	Smith	Smith	NNP
12787	3304	267	,	,	,
12787	3304	268	!	!	.
12787	3304	269	General	General	NNP
12787	3304	270	Inorganic	Inorganic	NNP
12787	3304	271	Chemistry	Chemistry	NNP
12787	3304	272	!	!	.
12787	3304	273	,	,	,
12787	3304	274	p.	p.	NN
12787	3305	1	579	579	CD
12787	3305	2	.	.	.
12787	3305	3	]	]	-RRB-
12787	3306	1	The	the	DT
12787	3306	2	molal	molal	JJ
12787	3306	3	concentrations	concentration	NNS
12787	3306	4	given	give	VBN
12787	3306	5	in	in	IN
12787	3306	6	the	the	DT
12787	3306	7	table	table	NN
12787	3306	8	refer	refer	NN
12787	3306	9	to	to	IN
12787	3306	10	fractions	fraction	NNS
12787	3306	11	of	of	IN
12787	3306	12	a	a	DT
12787	3306	13	gram	gram	NN
12787	3306	14	-	-	HYPH
12787	3306	15	molecule	molecule	NN
12787	3306	16	per	per	IN
12787	3306	17	liter	liter	NN
12787	3306	18	of	of	IN
12787	3306	19	the	the	DT
12787	3306	20	undissociated	undissociated	JJ
12787	3306	21	acid	acid	NN
12787	3306	22	,	,	,
12787	3306	23	and	and	CC
12787	3306	24	to	to	IN
12787	3306	25	fractions	fraction	NNS
12787	3306	26	of	of	IN
12787	3306	27	the	the	DT
12787	3306	28	corresponding	corresponding	JJ
12787	3306	29	quantities	quantity	NNS
12787	3306	30	of	of	IN
12787	3306	31	H^{+	H^{+	NNP
12787	3306	32	}	}	-RRB-
12787	3306	33	and	and	CC
12787	3306	34	C_{2}H_{3}O_{2}^{-	C_{2}H_{3}O_{2}^{-	NNP
12787	3306	35	}	}	-RRB-
12787	3306	36	ions	ion	NNS
12787	3306	37	per	per	IN
12787	3306	38	liter	liter	NN
12787	3306	39	which	which	WDT
12787	3306	40	would	would	MD
12787	3306	41	result	result	VB
12787	3306	42	from	from	IN
12787	3306	43	the	the	DT
12787	3306	44	complete	complete	JJ
12787	3306	45	dissociation	dissociation	NN
12787	3306	46	of	of	IN
12787	3306	47	a	a	DT
12787	3306	48	gram	gram	NN
12787	3306	49	-	-	HYPH
12787	3306	50	molecule	molecule	NN
12787	3306	51	of	of	IN
12787	3306	52	acetic	acetic	JJ
12787	3306	53	acid	acid	NN
12787	3306	54	.	.	.
12787	3307	1	The	the	DT
12787	3307	2	values	value	NNS
12787	3307	3	calculated	calculate	VBN
12787	3307	4	for	for	IN
12787	3307	5	the	the	DT
12787	3307	6	constant	constant	JJ
12787	3307	7	are	be	VBP
12787	3307	8	subject	subject	JJ
12787	3307	9	to	to	IN
12787	3307	10	some	some	DT
12787	3307	11	variation	variation	NN
12787	3307	12	on	on	IN
12787	3307	13	account	account	NN
12787	3307	14	of	of	IN
12787	3307	15	experimental	experimental	JJ
12787	3307	16	errors	error	NNS
12787	3307	17	in	in	IN
12787	3307	18	determining	determine	VBG
12787	3307	19	the	the	DT
12787	3307	20	percentage	percentage	NN
12787	3307	21	ionized	ionize	VBN
12787	3307	22	in	in	IN
12787	3307	23	each	each	DT
12787	3307	24	case	case	NN
12787	3307	25	,	,	,
12787	3307	26	but	but	CC
12787	3307	27	the	the	DT
12787	3307	28	approximate	approximate	JJ
12787	3307	29	agreement	agreement	NN
12787	3307	30	between	between	IN
12787	3307	31	the	the	DT
12787	3307	32	values	value	NNS
12787	3307	33	found	find	VBN
12787	3307	34	for	for	IN
12787	3307	35	molal	molal	NN
12787	3307	36	and	and	CC
12787	3307	37	centimolal	centimolal	NN
12787	3307	38	(	(	-LRB-
12787	3307	39	one	one	CD
12787	3307	40	hundredfold	hundredfold	NN
12787	3307	41	dilution	dilution	NN
12787	3307	42	)	)	-RRB-
12787	3307	43	is	be	VBZ
12787	3307	44	significant	significant	JJ
12787	3307	45	.	.	.
12787	3308	1	The	the	DT
12787	3308	2	figures	figure	NNS
12787	3308	3	given	give	VBN
12787	3308	4	also	also	RB
12787	3308	5	illustrate	illustrate	VBP
12787	3308	6	the	the	DT
12787	3308	7	general	general	JJ
12787	3308	8	principle	principle	NN
12787	3308	9	,	,	,
12787	3308	10	that	that	IN
12787	3308	11	the	the	DT
12787	3308	12	!	!	.
12787	3308	13	relative	relative	JJ
12787	3308	14	!	!	.
12787	3309	1	ionization	ionization	NN
12787	3309	2	of	of	IN
12787	3309	3	an	an	DT
12787	3309	4	electrolyte	electrolyte	NNP
12787	3309	5	increases	increase	VBZ
12787	3309	6	with	with	IN
12787	3309	7	the	the	DT
12787	3309	8	dilution	dilution	NN
12787	3309	9	of	of	IN
12787	3309	10	its	-PRON-	PRP$
12787	3309	11	solution	solution	NN
12787	3309	12	.	.	.
12787	3310	1	If	if	IN
12787	3310	2	we	-PRON-	PRP
12787	3310	3	consider	consider	VBP
12787	3310	4	what	what	WP
12787	3310	5	happens	happen	VBZ
12787	3310	6	during	during	IN
12787	3310	7	the	the	DT
12787	3310	8	(	(	-LRB-
12787	3310	9	usually	usually	RB
12787	3310	10	)	)	-RRB-
12787	3310	11	brief	brief	JJ
12787	3310	12	period	period	NN
12787	3310	13	of	of	IN
12787	3310	14	dilution	dilution	NN
12787	3310	15	of	of	IN
12787	3310	16	the	the	DT
12787	3310	17	solution	solution	NN
12787	3310	18	from	from	IN
12787	3310	19	molal	molal	JJ
12787	3310	20	to	to	IN
12787	3310	21	0.1	0.1	CD
12787	3310	22	molal	molal	NN
12787	3310	23	,	,	,
12787	3310	24	for	for	IN
12787	3310	25	example	example	NN
12787	3310	26	,	,	,
12787	3310	27	it	-PRON-	PRP
12787	3310	28	will	will	MD
12787	3310	29	be	be	VB
12787	3310	30	seen	see	VBN
12787	3310	31	that	that	IN
12787	3310	32	on	on	IN
12787	3310	33	the	the	DT
12787	3310	34	addition	addition	NN
12787	3310	35	of	of	IN
12787	3310	36	water	water	NN
12787	3310	37	the	the	DT
12787	3310	38	conditions	condition	NNS
12787	3310	39	of	of	IN
12787	3310	40	concentration	concentration	NN
12787	3310	41	which	which	WDT
12787	3310	42	led	lead	VBD
12787	3310	43	to	to	IN
12787	3310	44	equality	equality	NN
12787	3310	45	in	in	IN
12787	3310	46	the	the	DT
12787	3310	47	rate	rate	NN
12787	3310	48	of	of	IN
12787	3310	49	change	change	NN
12787	3310	50	,	,	,
12787	3310	51	and	and	CC
12787	3310	52	hence	hence	RB
12787	3310	53	to	to	TO
12787	3310	54	equilibrium	equilibrium	VB
12787	3310	55	in	in	IN
12787	3310	56	the	the	DT
12787	3310	57	molal	molal	JJ
12787	3310	58	solution	solution	NN
12787	3310	59	,	,	,
12787	3310	60	cease	cease	VB
12787	3310	61	to	to	TO
12787	3310	62	exist	exist	VB
12787	3310	63	;	;	:
12787	3310	64	and	and	CC
12787	3310	65	since	since	IN
12787	3310	66	the	the	DT
12787	3310	67	dissociating	dissociate	VBG
12787	3310	68	tendency	tendency	NN
12787	3310	69	increases	increase	NNS
12787	3310	70	with	with	IN
12787	3310	71	dilution	dilution	NN
12787	3310	72	,	,	,
12787	3310	73	as	as	IN
12787	3310	74	just	just	RB
12787	3310	75	stated	state	VBN
12787	3310	76	,	,	,
12787	3310	77	it	-PRON-	PRP
12787	3310	78	is	be	VBZ
12787	3310	79	true	true	JJ
12787	3310	80	at	at	IN
12787	3310	81	the	the	DT
12787	3310	82	first	first	JJ
12787	3310	83	instant	instant	NN
12787	3310	84	after	after	IN
12787	3310	85	the	the	DT
12787	3310	86	addition	addition	NN
12787	3310	87	of	of	IN
12787	3310	88	water	water	NN
12787	3310	89	that	that	WDT
12787	3310	90	the	the	DT
12787	3310	91	concentration	concentration	NN
12787	3310	92	of	of	IN
12787	3310	93	the	the	DT
12787	3310	94	undissociated	undissociated	JJ
12787	3310	95	acid	acid	NN
12787	3310	96	is	be	VBZ
12787	3310	97	too	too	RB
12787	3310	98	great	great	JJ
12787	3310	99	to	to	TO
12787	3310	100	be	be	VB
12787	3310	101	permanent	permanent	JJ
12787	3310	102	under	under	IN
12787	3310	103	the	the	DT
12787	3310	104	new	new	JJ
12787	3310	105	conditions	condition	NNS
12787	3310	106	of	of	IN
12787	3310	107	dilution	dilution	NN
12787	3310	108	,	,	,
12787	3310	109	and	and	CC
12787	3310	110	the	the	DT
12787	3310	111	reaction	reaction	NN
12787	3310	112	,	,	,
12787	3310	113	HC_{2}H_{3}O_{2	HC_{2}H_{3}O_{2	NNP
12787	3310	114	}	}	-RRB-
12787	3310	115	<	<	XX
12787	3310	116	--	--	:
12787	3310	117	>	>	XX
12787	3310	118	H^{+	H^{+	NNP
12787	3310	119	}	}	-RRB-
12787	3310	120	+	+	SYM
12787	3310	121	C_{2}H_{3}O_{2}^{-	C_{2}H_{3}O_{2}^{-	NNP
12787	3310	122	}	}	-RRB-
12787	3310	123	,	,	,
12787	3310	124	will	will	MD
12787	3310	125	proceed	proceed	VB
12787	3310	126	from	from	IN
12787	3310	127	left	leave	VBN
12787	3310	128	to	to	IN
12787	3310	129	right	right	NN
12787	3310	130	with	with	IN
12787	3310	131	great	great	JJ
12787	3310	132	rapidity	rapidity	NN
12787	3310	133	until	until	IN
12787	3310	134	the	the	DT
12787	3310	135	respective	respective	JJ
12787	3310	136	concentrations	concentration	NNS
12787	3310	137	adjust	adjust	VBP
12787	3310	138	themselves	-PRON-	PRP
12787	3310	139	to	to	IN
12787	3310	140	the	the	DT
12787	3310	141	new	new	JJ
12787	3310	142	conditions	condition	NNS
12787	3310	143	.	.	.
12787	3311	1	That	that	DT
12787	3311	2	which	which	WDT
12787	3311	3	is	be	VBZ
12787	3311	4	true	true	JJ
12787	3311	5	of	of	IN
12787	3311	6	this	this	DT
12787	3311	7	reaction	reaction	NN
12787	3311	8	is	be	VBZ
12787	3311	9	also	also	RB
12787	3311	10	true	true	JJ
12787	3311	11	of	of	IN
12787	3311	12	all	all	DT
12787	3311	13	reversible	reversible	JJ
12787	3311	14	reactions	reaction	NNS
12787	3311	15	,	,	,
12787	3311	16	namely	namely	RB
12787	3311	17	,	,	,
12787	3311	18	that	that	IN
12787	3311	19	any	any	DT
12787	3311	20	change	change	NN
12787	3311	21	of	of	IN
12787	3311	22	conditions	condition	NNS
12787	3311	23	which	which	WDT
12787	3311	24	occasions	occasion	VBZ
12787	3311	25	an	an	DT
12787	3311	26	increase	increase	NN
12787	3311	27	or	or	CC
12787	3311	28	a	a	DT
12787	3311	29	decrease	decrease	NN
12787	3311	30	in	in	IN
12787	3311	31	concentration	concentration	NN
12787	3311	32	of	of	IN
12787	3311	33	one	one	CD
12787	3311	34	or	or	CC
12787	3311	35	more	more	JJR
12787	3311	36	of	of	IN
12787	3311	37	the	the	DT
12787	3311	38	components	component	NNS
12787	3311	39	causes	cause	VBZ
12787	3311	40	the	the	DT
12787	3311	41	reaction	reaction	NN
12787	3311	42	to	to	TO
12787	3311	43	proceed	proceed	VB
12787	3311	44	in	in	IN
12787	3311	45	one	one	CD
12787	3311	46	direction	direction	NN
12787	3311	47	or	or	CC
12787	3311	48	the	the	DT
12787	3311	49	other	other	JJ
12787	3311	50	until	until	IN
12787	3311	51	a	a	DT
12787	3311	52	new	new	JJ
12787	3311	53	state	state	NN
12787	3311	54	of	of	IN
12787	3311	55	equilibrium	equilibrium	NN
12787	3311	56	is	be	VBZ
12787	3311	57	established	establish	VBN
12787	3311	58	.	.	.
12787	3312	1	This	this	DT
12787	3312	2	principle	principle	NN
12787	3312	3	is	be	VBZ
12787	3312	4	constantly	constantly	RB
12787	3312	5	applied	apply	VBN
12787	3312	6	throughout	throughout	IN
12787	3312	7	the	the	DT
12787	3312	8	discussion	discussion	NN
12787	3312	9	of	of	IN
12787	3312	10	the	the	DT
12787	3312	11	applications	application	NNS
12787	3312	12	of	of	IN
12787	3312	13	the	the	DT
12787	3312	14	ionic	ionic	JJ
12787	3312	15	theory	theory	NN
12787	3312	16	in	in	IN
12787	3312	17	analytical	analytical	JJ
12787	3312	18	chemistry	chemistry	NN
12787	3312	19	,	,	,
12787	3312	20	and	and	CC
12787	3312	21	it	-PRON-	PRP
12787	3312	22	should	should	MD
12787	3312	23	be	be	VB
12787	3312	24	clearly	clearly	RB
12787	3312	25	understood	understand	VBN
12787	3312	26	that	that	IN
12787	3312	27	whenever	whenever	WRB
12787	3312	28	an	an	DT
12787	3312	29	existing	exist	VBG
12787	3312	30	state	state	NN
12787	3312	31	of	of	IN
12787	3312	32	equilibrium	equilibrium	NN
12787	3312	33	is	be	VBZ
12787	3312	34	disturbed	disturb	VBN
12787	3312	35	as	as	IN
12787	3312	36	a	a	DT
12787	3312	37	result	result	NN
12787	3312	38	of	of	IN
12787	3312	39	changes	change	NNS
12787	3312	40	of	of	IN
12787	3312	41	dilution	dilution	NN
12787	3312	42	or	or	CC
12787	3312	43	temperature	temperature	NN
12787	3312	44	,	,	,
12787	3312	45	or	or	CC
12787	3312	46	as	as	IN
12787	3312	47	a	a	DT
12787	3312	48	consequence	consequence	NN
12787	3312	49	of	of	IN
12787	3312	50	chemical	chemical	NN
12787	3312	51	changes	change	NNS
12787	3312	52	which	which	WDT
12787	3312	53	bring	bring	VBP
12787	3312	54	into	into	IN
12787	3312	55	action	action	NN
12787	3312	56	any	any	DT
12787	3312	57	of	of	IN
12787	3312	58	the	the	DT
12787	3312	59	constituents	constituent	NNS
12787	3312	60	of	of	IN
12787	3312	61	the	the	DT
12787	3312	62	solution	solution	NN
12787	3312	63	,	,	,
12787	3312	64	thus	thus	RB
12787	3312	65	altering	alter	VBG
12787	3312	66	their	-PRON-	PRP$
12787	3312	67	concentrations	concentration	NNS
12787	3312	68	,	,	,
12787	3312	69	there	there	EX
12787	3312	70	is	be	VBZ
12787	3312	71	always	always	RB
12787	3312	72	a	a	DT
12787	3312	73	tendency	tendency	NN
12787	3312	74	to	to	TO
12787	3312	75	re	re	VB
12787	3312	76	-	-	VB
12787	3312	77	establish	establish	VB
12787	3312	78	this	this	DT
12787	3312	79	equilibrium	equilibrium	NN
12787	3312	80	in	in	IN
12787	3312	81	accordance	accordance	NN
12787	3312	82	with	with	IN
12787	3312	83	the	the	DT
12787	3312	84	law	law	NN
12787	3312	85	.	.	.
12787	3313	1	Thus	thus	RB
12787	3313	2	,	,	,
12787	3313	3	if	if	IN
12787	3313	4	a	a	DT
12787	3313	5	base	base	NN
12787	3313	6	is	be	VBZ
12787	3313	7	added	add	VBN
12787	3313	8	to	to	IN
12787	3313	9	the	the	DT
12787	3313	10	solution	solution	NN
12787	3313	11	of	of	IN
12787	3313	12	acetic	acetic	JJ
12787	3313	13	acid	acid	NN
12787	3313	14	the	the	DT
12787	3313	15	H^{+	H^{+	NNP
12787	3313	16	}	}	-RRB-
12787	3313	17	ions	ion	NNS
12787	3313	18	then	then	RB
12787	3313	19	unite	unite	VB
12787	3313	20	with	with	IN
12787	3313	21	the	the	DT
12787	3313	22	OH^{-	oh^{-	CD
12787	3313	23	}	}	-RRB-
12787	3313	24	ions	ion	NNS
12787	3313	25	from	from	IN
12787	3313	26	the	the	DT
12787	3313	27	base	base	NN
12787	3313	28	to	to	TO
12787	3313	29	form	form	VB
12787	3313	30	undissociated	undissociated	JJ
12787	3313	31	water	water	NN
12787	3313	32	.	.	.
12787	3314	1	The	the	DT
12787	3314	2	concentration	concentration	NN
12787	3314	3	of	of	IN
12787	3314	4	the	the	DT
12787	3314	5	H^{+	H^{+	NNP
12787	3314	6	}	}	-RRB-
12787	3314	7	ions	ion	NNS
12787	3314	8	is	be	VBZ
12787	3314	9	thus	thus	RB
12787	3314	10	diminished	diminish	VBN
12787	3314	11	,	,	,
12787	3314	12	and	and	CC
12787	3314	13	more	more	JJR
12787	3314	14	of	of	IN
12787	3314	15	the	the	DT
12787	3314	16	acid	acid	JJ
12787	3314	17	dissociates	dissociate	NNS
12787	3314	18	in	in	IN
12787	3314	19	an	an	DT
12787	3314	20	attempt	attempt	NN
12787	3314	21	to	to	TO
12787	3314	22	restore	restore	VB
12787	3314	23	equilbrium	equilbrium	NN
12787	3314	24	,	,	,
12787	3314	25	until	until	IN
12787	3314	26	finally	finally	RB
12787	3314	27	practically	practically	RB
12787	3314	28	all	all	PDT
12787	3314	29	the	the	DT
12787	3314	30	acid	acid	NN
12787	3314	31	is	be	VBZ
12787	3314	32	dissociated	dissociate	VBN
12787	3314	33	and	and	CC
12787	3314	34	neutralized	neutralize	VBN
12787	3314	35	.	.	.
12787	3315	1	Similar	similar	JJ
12787	3315	2	conditions	condition	NNS
12787	3315	3	prevail	prevail	VBP
12787	3315	4	when	when	WRB
12787	3315	5	,	,	,
12787	3315	6	for	for	IN
12787	3315	7	example	example	NN
12787	3315	8	,	,	,
12787	3315	9	silver	silver	NN
12787	3315	10	ions	ion	NNS
12787	3315	11	react	react	VBP
12787	3315	12	with	with	IN
12787	3315	13	chloride	chloride	NN
12787	3315	14	ions	ion	NNS
12787	3315	15	,	,	,
12787	3315	16	or	or	CC
12787	3315	17	barium	barium	NN
12787	3315	18	ions	ion	NNS
12787	3315	19	react	react	VBP
12787	3315	20	with	with	IN
12787	3315	21	sulphate	sulphate	NN
12787	3315	22	ions	ion	NNS
12787	3315	23	.	.	.
12787	3316	1	In	in	IN
12787	3316	2	the	the	DT
12787	3316	3	former	former	JJ
12787	3316	4	case	case	NN
12787	3316	5	the	the	DT
12787	3316	6	dissociation	dissociation	NN
12787	3316	7	reaction	reaction	NN
12787	3316	8	of	of	IN
12787	3316	9	the	the	DT
12787	3316	10	silver	silver	NN
12787	3316	11	nitrate	nitrate	NN
12787	3316	12	is	be	VBZ
12787	3316	13	AgNO_{3	AgNO_{3	NNP
12787	3316	14	}	}	-RRB-
12787	3316	15	<	<	XX
12787	3316	16	--	--	:
12787	3316	17	>	>	XX
12787	3316	18	Ag^{+	Ag^{+	NNP
12787	3316	19	}	}	-RRB-
12787	3316	20	+	+	NNP
12787	3316	21	NO_{3}^{-	NO_{3}^{-	NNP
12787	3316	22	}	}	-RRB-
12787	3316	23	,	,	,
12787	3316	24	and	and	CC
12787	3316	25	as	as	RB
12787	3316	26	soon	soon	RB
12787	3316	27	as	as	IN
12787	3316	28	the	the	DT
12787	3316	29	Ag^{+	Ag^{+	NNP
12787	3316	30	}	}	-RRB-
12787	3316	31	ions	ion	NNS
12787	3316	32	unite	unite	VBP
12787	3316	33	with	with	IN
12787	3316	34	the	the	DT
12787	3316	35	Cl^{-	Cl^{-	NNP
12787	3316	36	}	}	-RRB-
12787	3316	37	ions	ion	VBZ
12787	3316	38	the	the	DT
12787	3316	39	concentration	concentration	NN
12787	3316	40	of	of	IN
12787	3316	41	the	the	DT
12787	3316	42	former	former	JJ
12787	3316	43	is	be	VBZ
12787	3316	44	diminished	diminish	VBN
12787	3316	45	,	,	,
12787	3316	46	more	more	JJR
12787	3316	47	of	of	IN
12787	3316	48	the	the	DT
12787	3316	49	AgNO_{3	AgNO_{3	NNP
12787	3316	50	}	}	-RRB-
12787	3316	51	dissociates	dissociate	NNS
12787	3316	52	,	,	,
12787	3316	53	and	and	CC
12787	3316	54	this	this	DT
12787	3316	55	process	process	NN
12787	3316	56	goes	go	VBZ
12787	3316	57	on	on	RP
12787	3316	58	until	until	IN
12787	3316	59	the	the	DT
12787	3316	60	Ag^{+	Ag^{+	NNP
12787	3316	61	}	}	-RRB-
12787	3316	62	ions	ion	NNS
12787	3316	63	are	be	VBP
12787	3316	64	practically	practically	RB
12787	3316	65	all	all	DT
12787	3316	66	removed	remove	VBN
12787	3316	67	from	from	IN
12787	3316	68	the	the	DT
12787	3316	69	solution	solution	NN
12787	3316	70	,	,	,
12787	3316	71	if	if	IN
12787	3316	72	the	the	DT
12787	3316	73	Cl^{-	Cl^{-	NNP
12787	3316	74	}	}	-RRB-
12787	3316	75	ions	ion	NNS
12787	3316	76	are	be	VBP
12787	3316	77	present	present	JJ
12787	3316	78	in	in	IN
12787	3316	79	sufficient	sufficient	JJ
12787	3316	80	quantity	quantity	NN
12787	3316	81	.	.	.
12787	3317	1	For	for	IN
12787	3317	2	the	the	DT
12787	3317	3	sake	sake	NN
12787	3317	4	of	of	IN
12787	3317	5	accuracy	accuracy	NN
12787	3317	6	it	-PRON-	PRP
12787	3317	7	should	should	MD
12787	3317	8	be	be	VB
12787	3317	9	stated	state	VBN
12787	3317	10	that	that	IN
12787	3317	11	the	the	DT
12787	3317	12	mass	mass	NN
12787	3317	13	law	law	NN
12787	3317	14	can	can	MD
12787	3317	15	not	not	RB
12787	3317	16	be	be	VB
12787	3317	17	rigidly	rigidly	RB
12787	3317	18	applied	apply	VBN
12787	3317	19	to	to	IN
12787	3317	20	solutions	solution	NNS
12787	3317	21	of	of	IN
12787	3317	22	those	those	DT
12787	3317	23	electrolytes	electrolyte	NNS
12787	3317	24	which	which	WDT
12787	3317	25	are	be	VBP
12787	3317	26	largely	largely	RB
12787	3317	27	dissociated	dissociate	VBN
12787	3317	28	.	.	.
12787	3318	1	While	while	IN
12787	3318	2	the	the	DT
12787	3318	3	explanation	explanation	NN
12787	3318	4	of	of	IN
12787	3318	5	the	the	DT
12787	3318	6	deviation	deviation	NN
12787	3318	7	from	from	IN
12787	3318	8	quantitative	quantitative	JJ
12787	3318	9	exactness	exactness	NN
12787	3318	10	in	in	IN
12787	3318	11	these	these	DT
12787	3318	12	cases	case	NNS
12787	3318	13	is	be	VBZ
12787	3318	14	not	not	RB
12787	3318	15	known	know	VBN
12787	3318	16	,	,	,
12787	3318	17	the	the	DT
12787	3318	18	law	law	NN
12787	3318	19	is	be	VBZ
12787	3318	20	still	still	RB
12787	3318	21	of	of	IN
12787	3318	22	marked	marked	JJ
12787	3318	23	service	service	NN
12787	3318	24	in	in	IN
12787	3318	25	developing	develop	VBG
12787	3318	26	analytical	analytical	JJ
12787	3318	27	methods	method	NNS
12787	3318	28	along	along	IN
12787	3318	29	more	more	JJR
12787	3318	30	logical	logical	JJ
12787	3318	31	lines	line	NNS
12787	3318	32	than	than	IN
12787	3318	33	was	be	VBD
12787	3318	34	formerly	formerly	RB
12787	3318	35	practicable	practicable	JJ
12787	3318	36	.	.	.
12787	3319	1	It	-PRON-	PRP
12787	3319	2	has	have	VBZ
12787	3319	3	not	not	RB
12787	3319	4	seemed	seem	VBN
12787	3319	5	wise	wise	JJ
12787	3319	6	to	to	TO
12787	3319	7	qualify	qualify	VB
12787	3319	8	each	each	DT
12787	3319	9	statement	statement	NN
12787	3319	10	made	make	VBN
12787	3319	11	in	in	IN
12787	3319	12	the	the	DT
12787	3319	13	Notes	Notes	NNPS
12787	3319	14	to	to	TO
12787	3319	15	indicate	indicate	VB
12787	3319	16	this	this	DT
12787	3319	17	lack	lack	NN
12787	3319	18	of	of	IN
12787	3319	19	quantitative	quantitative	JJ
12787	3319	20	exactness	exactness	NN
12787	3319	21	.	.	.
12787	3320	1	The	the	DT
12787	3320	2	student	student	NN
12787	3320	3	should	should	MD
12787	3320	4	recognize	recognize	VB
12787	3320	5	its	-PRON-	PRP$
12787	3320	6	existence	existence	NN
12787	3320	7	,	,	,
12787	3320	8	however	however	RB
12787	3320	9	,	,	,
12787	3320	10	and	and	CC
12787	3320	11	will	will	MD
12787	3320	12	realize	realize	VB
12787	3320	13	its	-PRON-	PRP$
12787	3320	14	significance	significance	NN
12787	3320	15	better	well	RBR
12787	3320	16	as	as	IN
12787	3320	17	his	-PRON-	PRP$
12787	3320	18	knowledge	knowledge	NN
12787	3320	19	of	of	IN
12787	3320	20	physical	physical	JJ
12787	3320	21	chemistry	chemistry	NN
12787	3320	22	increases	increase	NNS
12787	3320	23	.	.	.
12787	3321	1	If	if	IN
12787	3321	2	we	-PRON-	PRP
12787	3321	3	apply	apply	VBP
12787	3321	4	the	the	DT
12787	3321	5	mass	mass	NN
12787	3321	6	law	law	NN
12787	3321	7	to	to	IN
12787	3321	8	the	the	DT
12787	3321	9	case	case	NN
12787	3321	10	of	of	IN
12787	3321	11	a	a	DT
12787	3321	12	substance	substance	NN
12787	3321	13	of	of	IN
12787	3321	14	small	small	JJ
12787	3321	15	solubility	solubility	NN
12787	3321	16	,	,	,
12787	3321	17	such	such	JJ
12787	3321	18	as	as	IN
12787	3321	19	the	the	DT
12787	3321	20	compounds	compound	NNS
12787	3321	21	usually	usually	RB
12787	3321	22	precipitated	precipitate	VBN
12787	3321	23	in	in	IN
12787	3321	24	quantitative	quantitative	JJ
12787	3321	25	analysis	analysis	NN
12787	3321	26	,	,	,
12787	3321	27	we	-PRON-	PRP
12787	3321	28	derive	derive	VBP
12787	3321	29	what	what	WP
12787	3321	30	is	be	VBZ
12787	3321	31	known	know	VBN
12787	3321	32	as	as	IN
12787	3321	33	the	the	DT
12787	3321	34	!	!	.
12787	3321	35	solubility	solubility	NN
12787	3321	36	product	product	NN
12787	3321	37	!	!	.
12787	3321	38	,	,	,
12787	3321	39	as	as	IN
12787	3321	40	follows	follow	VBZ
12787	3321	41	:	:	:
12787	3321	42	Taking	take	VBG
12787	3321	43	silver	silver	NN
12787	3321	44	chloride	chloride	NN
12787	3321	45	as	as	IN
12787	3321	46	an	an	DT
12787	3321	47	example	example	NN
12787	3321	48	,	,	,
12787	3321	49	and	and	CC
12787	3321	50	remembering	remember	VBG
12787	3321	51	that	that	IN
12787	3321	52	it	-PRON-	PRP
12787	3321	53	is	be	VBZ
12787	3321	54	not	not	RB
12787	3321	55	absolutely	absolutely	RB
12787	3321	56	insoluble	insoluble	JJ
12787	3321	57	in	in	IN
12787	3321	58	water	water	NN
12787	3321	59	,	,	,
12787	3321	60	the	the	DT
12787	3321	61	equilibrium	equilibrium	NN
12787	3321	62	expression	expression	NN
12787	3321	63	for	for	IN
12787	3321	64	its	-PRON-	PRP$
12787	3321	65	solution	solution	NN
12787	3321	66	is	be	VBZ
12787	3321	67	:	:	:
12787	3321	68	(	(	-LRB-
12787	3321	69	!	!	.
12787	3321	70	Conc'n	Conc'n	NNP
12787	3321	71	Ag^{+	Ag^{+	NNP
12787	3321	72	}	}	-RRB-
12787	3321	73	x	x	SYM
12787	3321	74	Conc'n	Conc'n	NNP
12787	3321	75	Cl^{-})/Conc'n	Cl^{-})/Conc'n	VBN
12787	3321	76	AgCl	AgCl	NNP
12787	3321	77	=	=	SYM
12787	3321	78	Constant	constant	JJ
12787	3321	79	!	!	.
12787	3321	80	.	.	.
12787	3322	1	But	but	CC
12787	3322	2	such	such	PDT
12787	3322	3	a	a	DT
12787	3322	4	solution	solution	NN
12787	3322	5	of	of	IN
12787	3322	6	silver	silver	NN
12787	3322	7	chloride	chloride	NN
12787	3322	8	which	which	WDT
12787	3322	9	is	be	VBZ
12787	3322	10	in	in	IN
12787	3322	11	contact	contact	NN
12787	3322	12	with	with	IN
12787	3322	13	the	the	DT
12787	3322	14	solid	solid	JJ
12787	3322	15	precipitate	precipitate	NN
12787	3322	16	must	must	MD
12787	3322	17	be	be	VB
12787	3322	18	saturated	saturate	VBN
12787	3322	19	for	for	IN
12787	3322	20	the	the	DT
12787	3322	21	existing	exist	VBG
12787	3322	22	temperature	temperature	NN
12787	3322	23	,	,	,
12787	3322	24	and	and	CC
12787	3322	25	the	the	DT
12787	3322	26	quantity	quantity	NN
12787	3322	27	of	of	IN
12787	3322	28	undissociated	undissociate	VBN
12787	3322	29	AgCl	AgCl	NNP
12787	3322	30	in	in	IN
12787	3322	31	the	the	DT
12787	3322	32	solution	solution	NN
12787	3322	33	is	be	VBZ
12787	3322	34	definite	definite	JJ
12787	3322	35	and	and	CC
12787	3322	36	constant	constant	JJ
12787	3322	37	for	for	IN
12787	3322	38	that	that	DT
12787	3322	39	temperature	temperature	NN
12787	3322	40	.	.	.
12787	3323	1	Since	since	IN
12787	3323	2	it	-PRON-	PRP
12787	3323	3	is	be	VBZ
12787	3323	4	a	a	DT
12787	3323	5	constant	constant	JJ
12787	3323	6	,	,	,
12787	3323	7	it	-PRON-	PRP
12787	3323	8	may	may	MD
12787	3323	9	be	be	VB
12787	3323	10	eliminated	eliminate	VBN
12787	3323	11	,	,	,
12787	3323	12	and	and	CC
12787	3323	13	the	the	DT
12787	3323	14	expression	expression	NN
12787	3323	15	becomes	become	VBZ
12787	3323	16	!	!	.
12787	3323	17	Conc'n	Conc'n	NNP
12787	3323	18	Ag^{+	Ag^{+	NNP
12787	3323	19	}	}	-RRB-
12787	3323	20	x	x	SYM
12787	3323	21	Conc'n	Conc'n	NNP
12787	3323	22	Cl^{-	Cl^{-	NNP
12787	3323	23	}	}	-RRB-
12787	3323	24	=	=	NFP
12787	3323	25	Constant	constant	JJ
12787	3323	26	!	!	.
12787	3323	27	,	,	,
12787	3323	28	and	and	CC
12787	3323	29	this	this	DT
12787	3323	30	is	be	VBZ
12787	3323	31	known	know	VBN
12787	3323	32	as	as	IN
12787	3323	33	the	the	DT
12787	3323	34	solubility	solubility	NN
12787	3323	35	product	product	NN
12787	3323	36	.	.	.
12787	3324	1	No	no	DT
12787	3324	2	precipitation	precipitation	NN
12787	3324	3	of	of	IN
12787	3324	4	a	a	DT
12787	3324	5	specific	specific	JJ
12787	3324	6	substance	substance	NN
12787	3324	7	will	will	MD
12787	3324	8	occur	occur	VB
12787	3324	9	until	until	IN
12787	3324	10	the	the	DT
12787	3324	11	product	product	NN
12787	3324	12	of	of	IN
12787	3324	13	the	the	DT
12787	3324	14	concentrations	concentration	NNS
12787	3324	15	of	of	IN
12787	3324	16	its	-PRON-	PRP$
12787	3324	17	ions	ion	NNS
12787	3324	18	in	in	IN
12787	3324	19	a	a	DT
12787	3324	20	solution	solution	NN
12787	3324	21	exceeds	exceed	VBZ
12787	3324	22	the	the	DT
12787	3324	23	solubility	solubility	NN
12787	3324	24	product	product	NN
12787	3324	25	for	for	IN
12787	3324	26	that	that	DT
12787	3324	27	substance	substance	NN
12787	3324	28	;	;	:
12787	3324	29	whenever	whenever	WRB
12787	3324	30	that	that	DT
12787	3324	31	product	product	NN
12787	3324	32	is	be	VBZ
12787	3324	33	exceeded	exceed	VBN
12787	3324	34	precipitation	precipitation	NN
12787	3324	35	must	must	MD
12787	3324	36	follow	follow	VB
12787	3324	37	.	.	.
12787	3325	1	It	-PRON-	PRP
12787	3325	2	will	will	MD
12787	3325	3	readily	readily	RB
12787	3325	4	be	be	VB
12787	3325	5	seen	see	VBN
12787	3325	6	that	that	IN
12787	3325	7	if	if	IN
12787	3325	8	a	a	DT
12787	3325	9	substance	substance	NN
12787	3325	10	which	which	WDT
12787	3325	11	yields	yield	VBZ
12787	3325	12	an	an	DT
12787	3325	13	ion	ion	NN
12787	3325	14	in	in	IN
12787	3325	15	common	common	JJ
12787	3325	16	with	with	IN
12787	3325	17	the	the	DT
12787	3325	18	precipitated	precipitate	VBN
12787	3325	19	compound	compound	NN
12787	3325	20	is	be	VBZ
12787	3325	21	added	add	VBN
12787	3325	22	to	to	IN
12787	3325	23	such	such	PDT
12787	3325	24	a	a	DT
12787	3325	25	solution	solution	NN
12787	3325	26	as	as	IN
12787	3325	27	has	have	VBZ
12787	3325	28	just	just	RB
12787	3325	29	been	be	VBN
12787	3325	30	described	describe	VBN
12787	3325	31	,	,	,
12787	3325	32	the	the	DT
12787	3325	33	concentration	concentration	NN
12787	3325	34	of	of	IN
12787	3325	35	that	that	DT
12787	3325	36	ion	ion	NN
12787	3325	37	is	be	VBZ
12787	3325	38	increased	increase	VBN
12787	3325	39	,	,	,
12787	3325	40	and	and	CC
12787	3325	41	as	as	IN
12787	3325	42	a	a	DT
12787	3325	43	result	result	NN
12787	3325	44	the	the	DT
12787	3325	45	concentration	concentration	NN
12787	3325	46	of	of	IN
12787	3325	47	the	the	DT
12787	3325	48	other	other	JJ
12787	3325	49	ion	ion	NN
12787	3325	50	must	must	MD
12787	3325	51	proportionately	proportionately	RB
12787	3325	52	decrease	decrease	VB
12787	3325	53	,	,	,
12787	3325	54	which	which	WDT
12787	3325	55	can	can	MD
12787	3325	56	only	only	RB
12787	3325	57	occur	occur	VB
12787	3325	58	through	through	IN
12787	3325	59	the	the	DT
12787	3325	60	formation	formation	NN
12787	3325	61	of	of	IN
12787	3325	62	some	some	DT
12787	3325	63	of	of	IN
12787	3325	64	the	the	DT
12787	3325	65	undissociated	undissociated	JJ
12787	3325	66	compound	compound	NN
12787	3325	67	which	which	WDT
12787	3325	68	must	must	MD
12787	3325	69	separate	separate	VB
12787	3325	70	from	from	IN
12787	3325	71	the	the	DT
12787	3325	72	already	already	RB
12787	3325	73	saturated	saturate	VBN
12787	3325	74	solution	solution	NN
12787	3325	75	.	.	.
12787	3326	1	This	this	DT
12787	3326	2	explains	explain	VBZ
12787	3326	3	why	why	WRB
12787	3326	4	the	the	DT
12787	3326	5	addition	addition	NN
12787	3326	6	of	of	IN
12787	3326	7	an	an	DT
12787	3326	8	excess	excess	NN
12787	3326	9	of	of	IN
12787	3326	10	the	the	DT
12787	3326	11	precipitant	precipitant	NN
12787	3326	12	is	be	VBZ
12787	3326	13	often	often	RB
12787	3326	14	advantageous	advantageous	JJ
12787	3326	15	in	in	IN
12787	3326	16	quantitative	quantitative	JJ
12787	3326	17	procedures	procedure	NNS
12787	3326	18	.	.	.
12787	3327	1	Such	such	PDT
12787	3327	2	a	a	DT
12787	3327	3	case	case	NN
12787	3327	4	is	be	VBZ
12787	3327	5	discussed	discuss	VBN
12787	3327	6	at	at	IN
12787	3327	7	length	length	NN
12787	3327	8	in	in	IN
12787	3327	9	Note	Note	NNP
12787	3327	10	2	2	CD
12787	3327	11	on	on	IN
12787	3327	12	page	page	NN
12787	3327	13	113	113	CD
12787	3327	14	.	.	.
12787	3328	1	Similarly	similarly	RB
12787	3328	2	,	,	,
12787	3328	3	the	the	DT
12787	3328	4	ionization	ionization	NN
12787	3328	5	of	of	IN
12787	3328	6	a	a	DT
12787	3328	7	specific	specific	JJ
12787	3328	8	substance	substance	NN
12787	3328	9	in	in	IN
12787	3328	10	solution	solution	NN
12787	3328	11	tends	tend	VBZ
12787	3328	12	to	to	TO
12787	3328	13	diminish	diminish	VB
12787	3328	14	on	on	IN
12787	3328	15	the	the	DT
12787	3328	16	addition	addition	NN
12787	3328	17	of	of	IN
12787	3328	18	another	another	DT
12787	3328	19	substance	substance	NN
12787	3328	20	with	with	IN
12787	3328	21	a	a	DT
12787	3328	22	common	common	JJ
12787	3328	23	ion	ion	NN
12787	3328	24	,	,	,
12787	3328	25	as	as	IN
12787	3328	26	,	,	,
12787	3328	27	for	for	IN
12787	3328	28	instance	instance	NN
12787	3328	29	,	,	,
12787	3328	30	the	the	DT
12787	3328	31	addition	addition	NN
12787	3328	32	of	of	IN
12787	3328	33	hydrochloric	hydrochloric	JJ
12787	3328	34	acid	acid	NN
12787	3328	35	to	to	IN
12787	3328	36	a	a	DT
12787	3328	37	solution	solution	NN
12787	3328	38	of	of	IN
12787	3328	39	hydrogen	hydrogen	NN
12787	3328	40	sulphide	sulphide	NN
12787	3328	41	.	.	.
12787	3329	1	Hydrogen	hydrogen	NN
12787	3329	2	sulphide	sulphide	NN
12787	3329	3	is	be	VBZ
12787	3329	4	a	a	DT
12787	3329	5	weak	weak	JJ
12787	3329	6	acid	acid	NN
12787	3329	7	,	,	,
12787	3329	8	and	and	CC
12787	3329	9	the	the	DT
12787	3329	10	concentration	concentration	NN
12787	3329	11	of	of	IN
12787	3329	12	the	the	DT
12787	3329	13	hydrogen	hydrogen	NN
12787	3329	14	ions	ion	NNS
12787	3329	15	in	in	IN
12787	3329	16	its	-PRON-	PRP$
12787	3329	17	aqueous	aqueous	JJ
12787	3329	18	solutions	solution	NNS
12787	3329	19	is	be	VBZ
12787	3329	20	very	very	RB
12787	3329	21	small	small	JJ
12787	3329	22	.	.	.
12787	3330	1	The	the	DT
12787	3330	2	equilibrium	equilibrium	NN
12787	3330	3	in	in	IN
12787	3330	4	such	such	PDT
12787	3330	5	a	a	DT
12787	3330	6	solution	solution	NN
12787	3330	7	may	may	MD
12787	3330	8	be	be	VB
12787	3330	9	represented	represent	VBN
12787	3330	10	as	as	IN
12787	3330	11	:	:	:
12787	3330	12	(	(	-LRB-
12787	3330	13	!	!	.
12787	3331	1	(	(	-LRB-
12787	3331	2	Conc'n	Conc'n	NNP
12787	3331	3	H^{+})^{2	h^{+})^{2	NN
12787	3331	4	}	}	-RRB-
12787	3331	5	x	x	SYM
12787	3331	6	Conc'n	Conc'n	VBZ
12787	3331	7	S^{--})/Conc'n	S^{--})/Conc'n	NNP
12787	3331	8	H_{2}S	H_{2}S	NNP
12787	3331	9	=	=	-RRB-
12787	3331	10	Constant	constant	JJ
12787	3331	11	!	!	.
12787	3331	12	,	,	,
12787	3331	13	and	and	CC
12787	3331	14	a	a	DT
12787	3331	15	marked	marked	JJ
12787	3331	16	increase	increase	NN
12787	3331	17	in	in	IN
12787	3331	18	the	the	DT
12787	3331	19	concentration	concentration	NN
12787	3331	20	of	of	IN
12787	3331	21	the	the	DT
12787	3331	22	H^{+	H^{+	NNP
12787	3331	23	}	}	-RRB-
12787	3331	24	ions	ion	NNS
12787	3331	25	,	,	,
12787	3331	26	such	such	JJ
12787	3331	27	as	as	IN
12787	3331	28	would	would	MD
12787	3331	29	result	result	VB
12787	3331	30	from	from	IN
12787	3331	31	the	the	DT
12787	3331	32	addition	addition	NN
12787	3331	33	of	of	IN
12787	3331	34	even	even	RB
12787	3331	35	a	a	DT
12787	3331	36	small	small	JJ
12787	3331	37	amount	amount	NN
12787	3331	38	of	of	IN
12787	3331	39	the	the	DT
12787	3331	40	highly	highly	RB
12787	3331	41	ionized	ionized	JJ
12787	3331	42	hydrochloric	hydrochloric	JJ
12787	3331	43	acid	acid	NN
12787	3331	44	,	,	,
12787	3331	45	displaces	displace	VBZ
12787	3331	46	the	the	DT
12787	3331	47	point	point	NN
12787	3331	48	of	of	IN
12787	3331	49	equilibrium	equilibrium	NN
12787	3331	50	and	and	CC
12787	3331	51	some	some	DT
12787	3331	52	of	of	IN
12787	3331	53	the	the	DT
12787	3331	54	S^{--	S^{--	NNP
12787	3331	55	}	}	-RRB-
12787	3331	56	ions	ion	NNS
12787	3331	57	unite	unite	VBP
12787	3331	58	with	with	IN
12787	3331	59	H^{+	H^{+	NNP
12787	3331	60	}	}	-RRB-
12787	3331	61	ions	ion	NNS
12787	3331	62	to	to	TO
12787	3331	63	form	form	VB
12787	3331	64	undissociated	undissociate	VBN
12787	3331	65	H_{2}S.	H_{2}S.	NNP
12787	3331	66	This	this	DT
12787	3331	67	is	be	VBZ
12787	3331	68	of	of	IN
12787	3331	69	much	much	JJ
12787	3331	70	importance	importance	NN
12787	3331	71	in	in	IN
12787	3331	72	studying	study	VBG
12787	3331	73	the	the	DT
12787	3331	74	reactions	reaction	NNS
12787	3331	75	in	in	IN
12787	3331	76	which	which	WDT
12787	3331	77	hydrogen	hydrogen	NN
12787	3331	78	sulphide	sulphide	NN
12787	3331	79	is	be	VBZ
12787	3331	80	employed	employ	VBN
12787	3331	81	,	,	,
12787	3331	82	as	as	IN
12787	3331	83	in	in	IN
12787	3331	84	qualitative	qualitative	JJ
12787	3331	85	analysis	analysis	NN
12787	3331	86	.	.	.
12787	3332	1	By	by	IN
12787	3332	2	a	a	DT
12787	3332	3	parallel	parallel	JJ
12787	3332	4	course	course	NN
12787	3332	5	of	of	IN
12787	3332	6	reasoning	reason	VBG
12787	3332	7	it	-PRON-	PRP
12787	3332	8	will	will	MD
12787	3332	9	be	be	VB
12787	3332	10	seen	see	VBN
12787	3332	11	that	that	IN
12787	3332	12	the	the	DT
12787	3332	13	addition	addition	NN
12787	3332	14	of	of	IN
12787	3332	15	a	a	DT
12787	3332	16	salt	salt	NN
12787	3332	17	of	of	IN
12787	3332	18	a	a	DT
12787	3332	19	weak	weak	JJ
12787	3332	20	acid	acid	NN
12787	3332	21	or	or	CC
12787	3332	22	base	base	NN
12787	3332	23	to	to	IN
12787	3332	24	solutions	solution	NNS
12787	3332	25	of	of	IN
12787	3332	26	that	that	DT
12787	3332	27	acid	acid	NN
12787	3332	28	or	or	CC
12787	3332	29	base	base	NN
12787	3332	30	make	make	VB
12787	3332	31	it	-PRON-	PRP
12787	3332	32	,	,	,
12787	3332	33	in	in	IN
12787	3332	34	effect	effect	NN
12787	3332	35	,	,	,
12787	3332	36	still	still	RB
12787	3332	37	weaker	weak	JJR
12787	3332	38	because	because	IN
12787	3332	39	they	-PRON-	PRP
12787	3332	40	decrease	decrease	VBP
12787	3332	41	its	-PRON-	PRP$
12787	3332	42	percentage	percentage	NN
12787	3332	43	ionization	ionization	NN
12787	3332	44	.	.	.
12787	3333	1	To	to	TO
12787	3333	2	understand	understand	VB
12787	3333	3	the	the	DT
12787	3333	4	changes	change	NNS
12787	3333	5	which	which	WDT
12787	3333	6	occur	occur	VBP
12787	3333	7	when	when	WRB
12787	3333	8	solids	solid	NNS
12787	3333	9	are	be	VBP
12787	3333	10	dissolved	dissolve	VBN
12787	3333	11	where	where	WRB
12787	3333	12	chemical	chemical	JJ
12787	3333	13	action	action	NN
12787	3333	14	is	be	VBZ
12787	3333	15	involved	involve	VBN
12787	3333	16	,	,	,
12787	3333	17	it	-PRON-	PRP
12787	3333	18	should	should	MD
12787	3333	19	be	be	VB
12787	3333	20	remembered	remember	VBN
12787	3333	21	that	that	IN
12787	3333	22	no	no	DT
12787	3333	23	substance	substance	NN
12787	3333	24	is	be	VBZ
12787	3333	25	completely	completely	RB
12787	3333	26	insoluble	insoluble	JJ
12787	3333	27	in	in	IN
12787	3333	28	water	water	NN
12787	3333	29	,	,	,
12787	3333	30	and	and	CC
12787	3333	31	that	that	IN
12787	3333	32	those	those	DT
12787	3333	33	products	product	NNS
12787	3333	34	of	of	IN
12787	3333	35	a	a	DT
12787	3333	36	chemical	chemical	NN
12787	3333	37	change	change	NN
12787	3333	38	which	which	WDT
12787	3333	39	are	be	VBP
12787	3333	40	least	least	RBS
12787	3333	41	dissociated	dissociate	VBN
12787	3333	42	will	will	MD
12787	3333	43	first	first	RB
12787	3333	44	form	form	VB
12787	3333	45	.	.	.
12787	3334	1	Consider	consider	VB
12787	3334	2	,	,	,
12787	3334	3	for	for	IN
12787	3334	4	example	example	NN
12787	3334	5	,	,	,
12787	3334	6	the	the	DT
12787	3334	7	action	action	NN
12787	3334	8	of	of	IN
12787	3334	9	hydrochloric	hydrochloric	JJ
12787	3334	10	acid	acid	NN
12787	3334	11	upon	upon	IN
12787	3334	12	magnesium	magnesium	NN
12787	3334	13	hydroxide	hydroxide	NN
12787	3334	14	.	.	.
12787	3335	1	The	the	DT
12787	3335	2	minute	minute	JJ
12787	3335	3	quantity	quantity	NN
12787	3335	4	of	of	IN
12787	3335	5	dissolved	dissolve	VBN
12787	3335	6	hydroxide	hydroxide	NN
12787	3335	7	dissociates	dissociate	NNS
12787	3335	8	thus	thus	RB
12787	3335	9	:	:	:
12787	3335	10	Mg(OH)_{2	Mg(OH)_{2	NNS
12787	3335	11	}	}	-RRB-
12787	3335	12	<	<	XX
12787	3335	13	--	--	:
12787	3335	14	>	>	XX
12787	3335	15	Mg^{++	Mg^{++	NNP
12787	3335	16	}	}	-RRB-
12787	3335	17	+	+	CC
12787	3335	18	2OH^{-	2oh^{-	NN
12787	3335	19	}	}	-RRB-
12787	3335	20	.	.	.
12787	3336	1	When	when	WRB
12787	3336	2	the	the	DT
12787	3336	3	acid	acid	NN
12787	3336	4	is	be	VBZ
12787	3336	5	introduced	introduce	VBN
12787	3336	6	,	,	,
12787	3336	7	the	the	DT
12787	3336	8	H^{+	H^{+	NNP
12787	3336	9	}	}	-RRB-
12787	3336	10	ions	ion	NNS
12787	3336	11	of	of	IN
12787	3336	12	the	the	DT
12787	3336	13	acid	acid	NN
12787	3336	14	unite	unite	NN
12787	3336	15	with	with	IN
12787	3336	16	the	the	DT
12787	3336	17	OH^{-	oh^{-	CD
12787	3336	18	}	}	-RRB-
12787	3336	19	ions	ion	NNS
12787	3336	20	to	to	TO
12787	3336	21	form	form	VB
12787	3336	22	undissociated	undissociated	JJ
12787	3336	23	water	water	NN
12787	3336	24	.	.	.
12787	3337	1	The	the	DT
12787	3337	2	concentration	concentration	NN
12787	3337	3	of	of	IN
12787	3337	4	the	the	DT
12787	3337	5	OH^{-	oh^{-	CD
12787	3337	6	}	}	-RRB-
12787	3337	7	ions	ion	NNS
12787	3337	8	is	be	VBZ
12787	3337	9	thus	thus	RB
12787	3337	10	diminished	diminish	VBN
12787	3337	11	,	,	,
12787	3337	12	more	more	JJR
12787	3337	13	Mg(OH)_{2	Mg(OH)_{2	NNP
12787	3337	14	}	}	-RRB-
12787	3337	15	dissociates	dissociate	NNS
12787	3337	16	,	,	,
12787	3337	17	the	the	DT
12787	3337	18	solution	solution	NN
12787	3337	19	is	be	VBZ
12787	3337	20	no	no	RB
12787	3337	21	longer	long	RBR
12787	3337	22	saturated	saturate	VBN
12787	3337	23	with	with	IN
12787	3337	24	the	the	DT
12787	3337	25	undissociated	undissociated	JJ
12787	3337	26	compound	compound	NN
12787	3337	27	,	,	,
12787	3337	28	and	and	CC
12787	3337	29	more	more	JJR
12787	3337	30	of	of	IN
12787	3337	31	the	the	DT
12787	3337	32	solid	solid	JJ
12787	3337	33	dissolves	dissolve	NNS
12787	3337	34	.	.	.
12787	3338	1	This	this	DT
12787	3338	2	process	process	NN
12787	3338	3	repeats	repeat	VBZ
12787	3338	4	itself	-PRON-	PRP
12787	3338	5	with	with	IN
12787	3338	6	great	great	JJ
12787	3338	7	rapidity	rapidity	NN
12787	3338	8	until	until	IN
12787	3338	9	,	,	,
12787	3338	10	if	if	IN
12787	3338	11	sufficient	sufficient	JJ
12787	3338	12	acid	acid	NN
12787	3338	13	is	be	VBZ
12787	3338	14	present	present	JJ
12787	3338	15	,	,	,
12787	3338	16	the	the	DT
12787	3338	17	solid	solid	JJ
12787	3338	18	passes	pass	VBZ
12787	3338	19	completely	completely	RB
12787	3338	20	into	into	IN
12787	3338	21	solution	solution	NN
12787	3338	22	.	.	.
12787	3339	1	Exactly	exactly	RB
12787	3339	2	the	the	DT
12787	3339	3	same	same	JJ
12787	3339	4	sort	sort	NN
12787	3339	5	of	of	IN
12787	3339	6	process	process	NN
12787	3339	7	takes	take	VBZ
12787	3339	8	place	place	NN
12787	3339	9	if	if	IN
12787	3339	10	calcium	calcium	NN
12787	3339	11	oxalate	oxalate	NN
12787	3339	12	,	,	,
12787	3339	13	for	for	IN
12787	3339	14	example	example	NN
12787	3339	15	,	,	,
12787	3339	16	is	be	VBZ
12787	3339	17	dissolved	dissolve	VBN
12787	3339	18	in	in	IN
12787	3339	19	hydrochloric	hydrochloric	JJ
12787	3339	20	acid	acid	NN
12787	3339	21	.	.	.
12787	3340	1	The	the	DT
12787	3340	2	C_{2}O_{4}^{--	C_{2}O_{4}^{--	NNS
12787	3340	3	}	}	-RRB-
12787	3340	4	ions	ion	NNS
12787	3340	5	unite	unite	VBP
12787	3340	6	with	with	IN
12787	3340	7	the	the	DT
12787	3340	8	H^{+	H^{+	NNP
12787	3340	9	}	}	-RRB-
12787	3340	10	ions	ion	NNS
12787	3340	11	to	to	TO
12787	3340	12	form	form	VB
12787	3340	13	undissociated	undissociate	VBN
12787	3340	14	oxalic	oxalic	JJ
12787	3340	15	acid	acid	NN
12787	3340	16	,	,	,
12787	3340	17	the	the	DT
12787	3340	18	acid	acid	NN
12787	3340	19	being	be	VBG
12787	3340	20	less	less	RBR
12787	3340	21	dissociated	dissociated	JJ
12787	3340	22	than	than	IN
12787	3340	23	normally	normally	RB
12787	3340	24	in	in	IN
12787	3340	25	the	the	DT
12787	3340	26	presence	presence	NN
12787	3340	27	of	of	IN
12787	3340	28	the	the	DT
12787	3340	29	H^{+	H^{+	NNP
12787	3340	30	}	}	-RRB-
12787	3340	31	ions	ion	NNS
12787	3340	32	from	from	IN
12787	3340	33	the	the	DT
12787	3340	34	hydrochloric	hydrochloric	JJ
12787	3340	35	acid	acid	NN
12787	3340	36	(	(	-LRB-
12787	3340	37	see	see	VB
12787	3340	38	statements	statement	NNS
12787	3340	39	regarding	regard	VBG
12787	3340	40	hydrogen	hydrogen	NN
12787	3340	41	sulphide	sulphide	NN
12787	3340	42	above	above	RB
12787	3340	43	)	)	-RRB-
12787	3340	44	.	.	.
12787	3341	1	As	as	IN
12787	3341	2	the	the	DT
12787	3341	3	undissociated	undissociate	VBN
12787	3341	4	oxalic	oxalic	JJ
12787	3341	5	acid	acid	NN
12787	3341	6	forms	form	NNS
12787	3341	7	,	,	,
12787	3341	8	the	the	DT
12787	3341	9	concentration	concentration	NN
12787	3341	10	of	of	IN
12787	3341	11	the	the	DT
12787	3341	12	C_{2}O_{4}^{--	C_{2}O_{4}^{--	NNS
12787	3341	13	}	}	-RRB-
12787	3341	14	ions	ion	NNS
12787	3341	15	lessens	lessen	VBZ
12787	3341	16	and	and	CC
12787	3341	17	more	more	JJR
12787	3341	18	CaC_{2}O_{4	cac_{2}o_{4	JJ
12787	3341	19	}	}	-RRB-
12787	3341	20	dissolves	dissolve	NNS
12787	3341	21	,	,	,
12787	3341	22	as	as	IN
12787	3341	23	described	describe	VBN
12787	3341	24	for	for	IN
12787	3341	25	the	the	DT
12787	3341	26	Mg(OH)_{2	Mg(OH)_{2	NNP
12787	3341	27	}	}	-RRB-
12787	3341	28	above	above	RB
12787	3341	29	.	.	.
12787	3342	1	Numerous	numerous	JJ
12787	3342	2	instances	instance	NNS
12787	3342	3	of	of	IN
12787	3342	4	the	the	DT
12787	3342	5	applications	application	NNS
12787	3342	6	of	of	IN
12787	3342	7	these	these	DT
12787	3342	8	principles	principle	NNS
12787	3342	9	are	be	VBP
12787	3342	10	given	give	VBN
12787	3342	11	in	in	IN
12787	3342	12	the	the	DT
12787	3342	13	Notes	Notes	NNPS
12787	3342	14	.	.	.
12787	3343	1	Water	water	NN
12787	3343	2	itself	-PRON-	PRP
12787	3343	3	is	be	VBZ
12787	3343	4	slightly	slightly	RB
12787	3343	5	dissociated	dissociate	VBN
12787	3343	6	,	,	,
12787	3343	7	and	and	CC
12787	3343	8	although	although	IN
12787	3343	9	the	the	DT
12787	3343	10	resulting	result	VBG
12787	3343	11	H^{+	H^{+	NNP
12787	3343	12	}	}	-RRB-
12787	3343	13	and	and	CC
12787	3343	14	OH^{-	oh^{-	CD
12787	3343	15	}	}	-RRB-
12787	3343	16	ions	ion	NNS
12787	3343	17	are	be	VBP
12787	3343	18	present	present	JJ
12787	3343	19	only	only	RB
12787	3343	20	in	in	IN
12787	3343	21	minute	minute	JJ
12787	3343	22	concentrations	concentration	NNS
12787	3343	23	(	(	-LRB-
12787	3343	24	1	1	CD
12787	3343	25	mol	mol	NN
12787	3343	26	.	.	.
12787	3344	1	of	of	IN
12787	3344	2	dissociated	dissociated	JJ
12787	3344	3	water	water	NN
12787	3344	4	in	in	IN
12787	3344	5	10^{7	10^{7	JJ
12787	3344	6	}	}	-RRB-
12787	3344	7	liters	liter	NNS
12787	3344	8	)	)	-RRB-
12787	3344	9	,	,	,
12787	3344	10	yet	yet	CC
12787	3344	11	under	under	IN
12787	3344	12	some	some	DT
12787	3344	13	conditions	condition	NNS
12787	3344	14	they	-PRON-	PRP
12787	3344	15	may	may	MD
12787	3344	16	give	give	VB
12787	3344	17	rise	rise	NN
12787	3344	18	to	to	IN
12787	3344	19	important	important	JJ
12787	3344	20	consequences	consequence	NNS
12787	3344	21	.	.	.
12787	3345	1	The	the	DT
12787	3345	2	term	term	NN
12787	3345	3	!	!	.
12787	3345	4	hydrolysis	hydrolysis	NN
12787	3345	5	!	!	.
12787	3346	1	is	be	VBZ
12787	3346	2	applied	apply	VBN
12787	3346	3	to	to	IN
12787	3346	4	the	the	DT
12787	3346	5	changes	change	NNS
12787	3346	6	which	which	WDT
12787	3346	7	result	result	VBP
12787	3346	8	from	from	IN
12787	3346	9	the	the	DT
12787	3346	10	reaction	reaction	NN
12787	3346	11	of	of	IN
12787	3346	12	these	these	DT
12787	3346	13	ions	ion	NNS
12787	3346	14	.	.	.
12787	3347	1	Any	any	DT
12787	3347	2	salt	salt	NN
12787	3347	3	which	which	WDT
12787	3347	4	is	be	VBZ
12787	3347	5	derived	derive	VBN
12787	3347	6	from	from	IN
12787	3347	7	a	a	DT
12787	3347	8	weak	weak	JJ
12787	3347	9	base	base	NN
12787	3347	10	or	or	CC
12787	3347	11	a	a	DT
12787	3347	12	weak	weak	JJ
12787	3347	13	acid	acid	NN
12787	3347	14	(	(	-LRB-
12787	3347	15	or	or	CC
12787	3347	16	both	both	DT
12787	3347	17	)	)	-RRB-
12787	3347	18	is	be	VBZ
12787	3347	19	subject	subject	JJ
12787	3347	20	to	to	IN
12787	3347	21	hydrolytic	hydrolytic	JJ
12787	3347	22	action	action	NN
12787	3347	23	.	.	.
12787	3348	1	Potassium	potassium	NN
12787	3348	2	cyanide	cyanide	NN
12787	3348	3	,	,	,
12787	3348	4	for	for	IN
12787	3348	5	example	example	NN
12787	3348	6	,	,	,
12787	3348	7	when	when	WRB
12787	3348	8	dissolved	dissolve	VBN
12787	3348	9	in	in	IN
12787	3348	10	water	water	NN
12787	3348	11	gives	give	VBZ
12787	3348	12	an	an	DT
12787	3348	13	alkaline	alkaline	NN
12787	3348	14	solution	solution	NN
12787	3348	15	because	because	IN
12787	3348	16	some	some	DT
12787	3348	17	of	of	IN
12787	3348	18	the	the	DT
12787	3348	19	H^{+	H^{+	NNP
12787	3348	20	}	}	-RRB-
12787	3348	21	ions	ion	NNS
12787	3348	22	from	from	IN
12787	3348	23	the	the	DT
12787	3348	24	water	water	NN
12787	3348	25	unite	unite	NN
12787	3348	26	with	with	IN
12787	3348	27	CN^{-	CN^{-	NNP
12787	3348	28	}	}	-RRB-
12787	3348	29	ions	ion	NNS
12787	3348	30	to	to	TO
12787	3348	31	form	form	VB
12787	3348	32	(	(	-LRB-
12787	3348	33	HCN	HCN	NNP
12787	3348	34	)	)	-RRB-
12787	3348	35	,	,	,
12787	3348	36	which	which	WDT
12787	3348	37	is	be	VBZ
12787	3348	38	a	a	DT
12787	3348	39	very	very	RB
12787	3348	40	weak	weak	JJ
12787	3348	41	acid	acid	NN
12787	3348	42	,	,	,
12787	3348	43	and	and	CC
12787	3348	44	is	be	VBZ
12787	3348	45	but	but	CC
12787	3348	46	very	very	RB
12787	3348	47	slightly	slightly	RB
12787	3348	48	dissociated	dissociate	VBN
12787	3348	49	.	.	.
12787	3349	1	Potassium	potassium	NN
12787	3349	2	hydroxide	hydroxide	NN
12787	3349	3	,	,	,
12787	3349	4	which	which	WDT
12787	3349	5	might	may	MD
12787	3349	6	form	form	VB
12787	3349	7	from	from	IN
12787	3349	8	the	the	DT
12787	3349	9	OH^{-	oh^{-	CD
12787	3349	10	}	}	-RRB-
12787	3349	11	ions	ion	NNS
12787	3349	12	,	,	,
12787	3349	13	is	be	VBZ
12787	3349	14	so	so	RB
12787	3349	15	largely	largely	RB
12787	3349	16	dissociated	dissociate	VBN
12787	3349	17	that	that	IN
12787	3349	18	the	the	DT
12787	3349	19	OH^{-	oh^{-	CD
12787	3349	20	}	}	-RRB-
12787	3349	21	ions	ion	NNS
12787	3349	22	remain	remain	VBP
12787	3349	23	as	as	IN
12787	3349	24	such	such	JJ
12787	3349	25	in	in	IN
12787	3349	26	the	the	DT
12787	3349	27	solution	solution	NN
12787	3349	28	.	.	.
12787	3350	1	The	the	DT
12787	3350	2	union	union	NN
12787	3350	3	of	of	IN
12787	3350	4	the	the	DT
12787	3350	5	H^{+	H^{+	NNP
12787	3350	6	}	}	-RRB-
12787	3350	7	ions	ion	NNS
12787	3350	8	with	with	IN
12787	3350	9	the	the	DT
12787	3350	10	CN^{-	CN^{-	NNP
12787	3350	11	}	}	-RRB-
12787	3350	12	ions	ion	NNS
12787	3350	13	to	to	TO
12787	3350	14	form	form	VB
12787	3350	15	the	the	DT
12787	3350	16	undissociated	undissociated	JJ
12787	3350	17	HCN	HCN	NNP
12787	3350	18	diminishes	diminish	VBZ
12787	3350	19	the	the	DT
12787	3350	20	concentration	concentration	NN
12787	3350	21	of	of	IN
12787	3350	22	the	the	DT
12787	3350	23	H^{+	H^{+	NNP
12787	3350	24	}	}	-RRB-
12787	3350	25	ions	ion	NNS
12787	3350	26	,	,	,
12787	3350	27	and	and	CC
12787	3350	28	more	more	JJR
12787	3350	29	water	water	NN
12787	3350	30	dissociates	dissociate	NNS
12787	3350	31	(	(	-LRB-
12787	3350	32	H_{2}O	h_{2}o	JJ
12787	3350	33	<	<	XX
12787	3350	34	--	--	:
12787	3350	35	>	>	XX
12787	3350	36	H^{+	H^{+	NNP
12787	3350	37	}	}	-RRB-
12787	3350	38	+	+	NNP
12787	3350	39	OH^{-	oh^{-	CD
12787	3350	40	}	}	-RRB-
12787	3350	41	)	)	-RRB-
12787	3350	42	to	to	TO
12787	3350	43	restore	restore	VB
12787	3350	44	the	the	DT
12787	3350	45	equilibrium	equilibrium	NN
12787	3350	46	.	.	.
12787	3351	1	It	-PRON-	PRP
12787	3351	2	is	be	VBZ
12787	3351	3	clear	clear	JJ
12787	3351	4	,	,	,
12787	3351	5	however	however	RB
12787	3351	6	,	,	,
12787	3351	7	that	that	IN
12787	3351	8	there	there	EX
12787	3351	9	must	must	MD
12787	3351	10	be	be	VB
12787	3351	11	a	a	DT
12787	3351	12	gradual	gradual	JJ
12787	3351	13	accumulation	accumulation	NN
12787	3351	14	of	of	IN
12787	3351	15	OH^{-	OH^{-	NNP
12787	3351	16	}	}	-RRB-
12787	3351	17	ions	ion	NNS
12787	3351	18	in	in	IN
12787	3351	19	the	the	DT
12787	3351	20	solution	solution	NN
12787	3351	21	as	as	IN
12787	3351	22	a	a	DT
12787	3351	23	result	result	NN
12787	3351	24	of	of	IN
12787	3351	25	these	these	DT
12787	3351	26	changes	change	NNS
12787	3351	27	,	,	,
12787	3351	28	causing	cause	VBG
12787	3351	29	the	the	DT
12787	3351	30	solution	solution	NN
12787	3351	31	to	to	TO
12787	3351	32	exhibit	exhibit	VB
12787	3351	33	an	an	DT
12787	3351	34	alkaline	alkaline	NN
12787	3351	35	reaction	reaction	NN
12787	3351	36	,	,	,
12787	3351	37	and	and	CC
12787	3351	38	also	also	RB
12787	3351	39	that	that	IN
12787	3351	40	ultimately	ultimately	RB
12787	3351	41	the	the	DT
12787	3351	42	further	further	JJ
12787	3351	43	dissociation	dissociation	NN
12787	3351	44	of	of	IN
12787	3351	45	the	the	DT
12787	3351	46	water	water	NN
12787	3351	47	will	will	MD
12787	3351	48	be	be	VB
12787	3351	49	checked	check	VBN
12787	3351	50	by	by	IN
12787	3351	51	the	the	DT
12787	3351	52	presence	presence	NN
12787	3351	53	of	of	IN
12787	3351	54	these	these	DT
12787	3351	55	ions	ion	NNS
12787	3351	56	,	,	,
12787	3351	57	just	just	RB
12787	3351	58	as	as	IN
12787	3351	59	the	the	DT
12787	3351	60	dissociation	dissociation	NN
12787	3351	61	of	of	IN
12787	3351	62	the	the	DT
12787	3351	63	H_{2}S	h_{2}s	NN
12787	3351	64	was	be	VBD
12787	3351	65	lessened	lessen	VBN
12787	3351	66	by	by	IN
12787	3351	67	the	the	DT
12787	3351	68	addition	addition	NN
12787	3351	69	of	of	IN
12787	3351	70	HCl	HCl	NNS
12787	3351	71	.	.	.
12787	3352	1	An	an	DT
12787	3352	2	exactly	exactly	RB
12787	3352	3	opposite	opposite	JJ
12787	3352	4	result	result	NN
12787	3352	5	follows	follow	VBZ
12787	3352	6	the	the	DT
12787	3352	7	solution	solution	NN
12787	3352	8	of	of	IN
12787	3352	9	such	such	PDT
12787	3352	10	a	a	DT
12787	3352	11	salt	salt	NN
12787	3352	12	as	as	IN
12787	3352	13	Al_{2}(SO_{4})_{3	al_{2}(so_{4})_{3	CD
12787	3352	14	}	}	-RRB-
12787	3352	15	in	in	IN
12787	3352	16	water	water	NN
12787	3352	17	.	.	.
12787	3353	1	In	in	IN
12787	3353	2	this	this	DT
12787	3353	3	case	case	NN
12787	3353	4	the	the	DT
12787	3353	5	acid	acid	NN
12787	3353	6	is	be	VBZ
12787	3353	7	strong	strong	JJ
12787	3353	8	and	and	CC
12787	3353	9	the	the	DT
12787	3353	10	base	base	NN
12787	3353	11	weak	weak	JJ
12787	3353	12	,	,	,
12787	3353	13	and	and	CC
12787	3353	14	the	the	DT
12787	3353	15	OH^{-	oh^{-	CD
12787	3353	16	}	}	-RRB-
12787	3353	17	ions	ion	NNS
12787	3353	18	form	form	VBP
12787	3353	19	the	the	DT
12787	3353	20	little	little	JJ
12787	3353	21	dissociated	dissociated	JJ
12787	3353	22	Al(OH)_{3	Al(OH)_{3	NNP
12787	3353	23	}	}	-RRB-
12787	3353	24	,	,	,
12787	3353	25	while	while	IN
12787	3353	26	the	the	DT
12787	3353	27	H^{+	H^{+	NNP
12787	3353	28	}	}	-RRB-
12787	3353	29	ions	ion	NNS
12787	3353	30	remain	remain	VBP
12787	3353	31	as	as	IN
12787	3353	32	such	such	JJ
12787	3353	33	in	in	IN
12787	3353	34	the	the	DT
12787	3353	35	solution	solution	NN
12787	3353	36	,	,	,
12787	3353	37	sulphuric	sulphuric	JJ
12787	3353	38	acid	acid	NN
12787	3353	39	being	be	VBG
12787	3353	40	extensively	extensively	RB
12787	3353	41	dissociated	dissociate	VBN
12787	3353	42	.	.	.
12787	3354	1	The	the	DT
12787	3354	2	solution	solution	NN
12787	3354	3	exhibits	exhibit	VBZ
12787	3354	4	an	an	DT
12787	3354	5	acid	acid	JJ
12787	3354	6	reaction	reaction	NN
12787	3354	7	.	.	.
12787	3355	1	Such	such	JJ
12787	3355	2	hydrolytic	hydrolytic	JJ
12787	3355	3	processes	process	NNS
12787	3355	4	as	as	IN
12787	3355	5	the	the	DT
12787	3355	6	above	above	JJ
12787	3355	7	are	be	VBP
12787	3355	8	of	of	IN
12787	3355	9	great	great	JJ
12787	3355	10	importance	importance	NN
12787	3355	11	in	in	IN
12787	3355	12	analytical	analytical	JJ
12787	3355	13	chemistry	chemistry	NN
12787	3355	14	,	,	,
12787	3355	15	especially	especially	RB
12787	3355	16	in	in	IN
12787	3355	17	the	the	DT
12787	3355	18	understanding	understanding	NN
12787	3355	19	of	of	IN
12787	3355	20	the	the	DT
12787	3355	21	action	action	NN
12787	3355	22	of	of	IN
12787	3355	23	indicators	indicator	NNS
12787	3355	24	in	in	IN
12787	3355	25	volumetric	volumetric	NN
12787	3355	26	analysis	analysis	NN
12787	3355	27	.	.	.
12787	3356	1	(	(	-LRB-
12787	3356	2	See	see	VB
12787	3356	3	page	page	NN
12787	3356	4	32	32	CD
12787	3356	5	.	.	.
12787	3356	6	)	)	-RRB-
12787	3357	1	The	the	DT
12787	3357	2	impelling	impelling	JJ
12787	3357	3	force	force	NN
12787	3357	4	which	which	WDT
12787	3357	5	causes	cause	VBZ
12787	3357	6	an	an	DT
12787	3357	7	element	element	NN
12787	3357	8	to	to	TO
12787	3357	9	pass	pass	VB
12787	3357	10	from	from	IN
12787	3357	11	the	the	DT
12787	3357	12	atomic	atomic	NN
12787	3357	13	to	to	IN
12787	3357	14	the	the	DT
12787	3357	15	ionic	ionic	JJ
12787	3357	16	condition	condition	NN
12787	3357	17	is	be	VBZ
12787	3357	18	termed	term	VBN
12787	3357	19	!	!	.
12787	3357	20	electrolytic	electrolytic	JJ
12787	3357	21	solution	solution	NN
12787	3357	22	pressure	pressure	NN
12787	3357	23	!	!	.
12787	3357	24	,	,	,
12787	3357	25	or	or	CC
12787	3357	26	ionization	ionization	NN
12787	3357	27	tension	tension	NN
12787	3357	28	.	.	.
12787	3358	1	This	this	DT
12787	3358	2	force	force	NN
12787	3358	3	may	may	MD
12787	3358	4	be	be	VB
12787	3358	5	measured	measure	VBN
12787	3358	6	in	in	IN
12787	3358	7	terms	term	NNS
12787	3358	8	of	of	IN
12787	3358	9	electrical	electrical	JJ
12787	3358	10	potential	potential	NN
12787	3358	11	,	,	,
12787	3358	12	and	and	CC
12787	3358	13	the	the	DT
12787	3358	14	table	table	NN
12787	3358	15	below	below	RB
12787	3358	16	shows	show	VBZ
12787	3358	17	the	the	DT
12787	3358	18	relative	relative	JJ
12787	3358	19	values	value	NNS
12787	3358	20	for	for	IN
12787	3358	21	a	a	DT
12787	3358	22	number	number	NN
12787	3358	23	of	of	IN
12787	3358	24	elements	element	NNS
12787	3358	25	.	.	.
12787	3359	1	In	in	IN
12787	3359	2	general	general	JJ
12787	3359	3	,	,	,
12787	3359	4	an	an	DT
12787	3359	5	element	element	NN
12787	3359	6	with	with	IN
12787	3359	7	a	a	DT
12787	3359	8	greater	great	JJR
12787	3359	9	solution	solution	NN
12787	3359	10	pressure	pressure	NN
12787	3359	11	tends	tend	VBZ
12787	3359	12	to	to	TO
12787	3359	13	cause	cause	VB
12787	3359	14	the	the	DT
12787	3359	15	deposition	deposition	NN
12787	3359	16	of	of	IN
12787	3359	17	an	an	DT
12787	3359	18	element	element	NN
12787	3359	19	of	of	IN
12787	3359	20	less	less	JJR
12787	3359	21	solution	solution	NN
12787	3359	22	pressure	pressure	NN
12787	3359	23	when	when	WRB
12787	3359	24	placed	place	VBN
12787	3359	25	in	in	IN
12787	3359	26	a	a	DT
12787	3359	27	solution	solution	NN
12787	3359	28	of	of	IN
12787	3359	29	its	-PRON-	PRP$
12787	3359	30	salt	salt	NN
12787	3359	31	,	,	,
12787	3359	32	as	as	IN
12787	3359	33	,	,	,
12787	3359	34	for	for	IN
12787	3359	35	instance	instance	NN
12787	3359	36	,	,	,
12787	3359	37	when	when	WRB
12787	3359	38	a	a	DT
12787	3359	39	strip	strip	NN
12787	3359	40	of	of	IN
12787	3359	41	zinc	zinc	NN
12787	3359	42	or	or	CC
12787	3359	43	iron	iron	NN
12787	3359	44	is	be	VBZ
12787	3359	45	placed	place	VBN
12787	3359	46	in	in	IN
12787	3359	47	a	a	DT
12787	3359	48	solution	solution	NN
12787	3359	49	of	of	IN
12787	3359	50	a	a	DT
12787	3359	51	copper	copper	NN
12787	3359	52	salt	salt	NN
12787	3359	53	,	,	,
12787	3359	54	with	with	IN
12787	3359	55	the	the	DT
12787	3359	56	resulting	result	VBG
12787	3359	57	precipitation	precipitation	NN
12787	3359	58	of	of	IN
12787	3359	59	metallic	metallic	JJ
12787	3359	60	copper	copper	NN
12787	3359	61	.	.	.
12787	3360	1	Hydrogen	Hydrogen	NNP
12787	3360	2	is	be	VBZ
12787	3360	3	included	include	VBN
12787	3360	4	in	in	IN
12787	3360	5	the	the	DT
12787	3360	6	table	table	NN
12787	3360	7	,	,	,
12787	3360	8	and	and	CC
12787	3360	9	its	-PRON-	PRP$
12787	3360	10	position	position	NN
12787	3360	11	should	should	MD
12787	3360	12	be	be	VB
12787	3360	13	noted	note	VBN
12787	3360	14	with	with	IN
12787	3360	15	reference	reference	NN
12787	3360	16	to	to	IN
12787	3360	17	the	the	DT
12787	3360	18	other	other	JJ
12787	3360	19	common	common	JJ
12787	3360	20	elements	element	NNS
12787	3360	21	.	.	.
12787	3361	1	For	for	IN
12787	3361	2	a	a	DT
12787	3361	3	more	more	RBR
12787	3361	4	extended	extended	JJ
12787	3361	5	discussion	discussion	NN
12787	3361	6	of	of	IN
12787	3361	7	this	this	DT
12787	3361	8	topic	topic	NN
12787	3361	9	the	the	DT
12787	3361	10	student	student	NN
12787	3361	11	should	should	MD
12787	3361	12	refer	refer	VB
12787	3361	13	to	to	IN
12787	3361	14	other	other	JJ
12787	3361	15	treatises	treatise	NNS
12787	3361	16	.	.	.
12787	3362	1	POTENTIAL	potential	JJ
12787	3362	2	SERIES	serie	NNS
12787	3362	3	OF	of	IN
12787	3362	4	THE	the	DT
12787	3362	5	METALS	METALS	NNP
12787	3362	6	_	_	NNP
12787	3362	7	_	_	NNP
12787	3362	8	_	_	NNP
12787	3362	9	_	_	NNP
12787	3362	10	_	_	NNP
12787	3362	11	_	_	NNP
12787	3362	12	_	_	NNP
12787	3362	13	_	_	NNP
12787	3362	14	_	_	NNP
12787	3362	15	_	_	NNP
12787	3362	16	_	_	NNP
12787	3362	17	_	_	NNP
12787	3362	18	_	_	NNP
12787	3362	19	_	_	NNP
12787	3362	20	_	_	NNP
12787	3362	21	_	_	NNP
12787	3362	22	_	_	NNP
12787	3362	23	_	_	NNP
12787	3362	24	_	_	NNP
12787	3362	25	_	_	NNP
12787	3362	26	_	_	NNP
12787	3362	27	_	_	NNP
12787	3362	28	_	_	NNP
12787	3362	29	_	_	NNP
12787	3362	30	_	_	NNP
12787	3362	31	_	_	NNP
12787	3362	32	_	_	NNP
12787	3362	33	_	_	NNP
12787	3362	34	_	_	NNP
12787	3362	35	_	_	NNP
12787	3362	36	_	_	NNP
12787	3362	37	_	_	NNP
12787	3362	38	_	_	NNP
12787	3362	39	_	_	NNP
12787	3362	40	_	_	NNP
12787	3362	41	_	_	NNP
12787	3362	42	_	_	NNP
12787	3362	43	_	_	NNP
12787	3362	44	_	_	NNP
12787	3362	45	_	_	NNP
12787	3362	46	_	_	NNP
12787	3362	47	_	_	NNP
12787	3362	48	_	_	NNP
12787	3362	49	_	_	NNP
12787	3362	50	_	_	NNP
12787	3362	51	_	_	NNP
12787	3362	52	_	_	NNP
12787	3362	53	_	_	NNP
12787	3362	54	_	_	NNP
12787	3362	55	_	_	NNP
12787	3362	56	_	_	NNP
12787	3362	57	_	_	NNP
12787	3362	58	_	_	NNP
12787	3362	59	_	_	NNP
12787	3362	60	_	_	NNP
12787	3362	61	_	_	NNP
12787	3362	62	_	_	NNP
12787	3362	63	_	_	NNP
12787	3362	64	_	_	NNP
12787	3362	65	_	_	NNP
12787	3362	66	_	_	NNP
12787	3362	67	_	_	NNP
12787	3362	68	_	_	NNP
12787	3362	69	_	_	NNP
12787	3362	70	_	_	NNP
12787	3362	71	_	_	NNP
12787	3362	72	|	|	NNP
12787	3362	73	|	|	NNP
12787	3362	74	|	|	CD
12787	3362	75	|	|	CD
12787	3362	76	POTENTIAL	potential	JJ
12787	3362	77	|	|	CD
12787	3362	78	|	|	NNP
12787	3362	79	POTENTIAL	potential	JJ
12787	3362	80	|	|	CD
12787	3362	81	IN	IN	NNP
12787	3362	82	VOLTS	VOLTS	NNP
12787	3362	83	|	|	NNS
12787	3362	84	|	|	NNP
12787	3362	85	IN	IN	NNP
12787	3362	86	VOLTS	VOLTS	NNP
12787	3362	87	_	_	NNP
12787	3362	88	_	_	NNP
12787	3362	89	_	_	NNP
12787	3362	90	_	_	NNP
12787	3362	91	_	_	NNP
12787	3362	92	_	_	NNP
12787	3362	93	_	_	NNP
12787	3362	94	_	_	NNP
12787	3362	95	_	_	NNP
12787	3362	96	_	_	NNP
12787	3362	97	_	_	NNP
12787	3362	98	_	_	NNP
12787	3362	99	_	_	NNP
12787	3362	100	_	_	NNP
12787	3362	101	_	_	NNP
12787	3362	102	_	_	NNP
12787	3362	103	_	_	NNP
12787	3362	104	_	_	NNP
12787	3362	105	_	_	NNP
12787	3362	106	_	_	NNP
12787	3362	107	_	_	NNP
12787	3362	108	|___________|____________________|	|___________|____________________|	NNP
12787	3362	109	_	_	NNP
12787	3362	110	_	_	NNP
12787	3362	111	_	_	NNP
12787	3362	112	_	_	NNP
12787	3362	113	_	_	NNP
12787	3362	114	_	_	NNP
12787	3362	115	_	_	NNP
12787	3362	116	_	_	NNP
12787	3362	117	_	_	NNP
12787	3362	118	_	_	NNP
12787	3362	119	_	_	NNP
12787	3362	120	|	|	NNP
12787	3362	121	|	|	NNP
12787	3362	122	|	|	NNP
12787	3362	123	Sodium	Sodium	NNP
12787	3362	124	Na^{+	Na^{+	NNP
12787	3362	125	}	}	-RRB-
12787	3362	126	|	|	NNP
12787	3362	127	+2.44	+2.44	NNP
12787	3362	128	|	|	NNP
12787	3362	129	Lead	Lead	NNP
12787	3362	130	Pb^{++	Pb^{++	NNS
12787	3362	131	}	}	-RRB-
12787	3362	132	|	|	NNP
12787	3362	133	-0.13	-0.13	NNP
12787	3362	134	Calcium	Calcium	NNP
12787	3362	135	Ca^{++	Ca^{++	NNP
12787	3362	136	}	}	-RRB-
12787	3362	137	|	|	NNP
12787	3362	138	|	|	NNP
12787	3362	139	Hydrogen	Hydrogen	NNP
12787	3362	140	H^{+	H^{+	NNP
12787	3362	141	}	}	-RRB-
12787	3362	142	|	|	NNP
12787	3362	143	-0.28	-0.28	CD
12787	3362	144	Magnesium	Magnesium	NNP
12787	3362	145	Mg^{++	Mg^{++	NNS
12787	3362	146	}	}	-RRB-
12787	3362	147	|	|	NNP
12787	3362	148	|	|	CD
12787	3362	149	Bismuth	Bismuth	NNP
12787	3362	150	Bi^{+++}|	Bi^{+++}|	NNP
12787	3362	151	Aluminum	Aluminum	NNP
12787	3362	152	A1^{+++	a1^{+++	NN
12787	3362	153	}	}	-RRB-
12787	3362	154	|	|	NNP
12787	3362	155	+1.00	+1.00	NNP
12787	3362	156	|	|	NNP
12787	3362	157	Antimony	Antimony	NNP
12787	3362	158	|	|	CD
12787	3362	159	-0.75	-0.75	CD
12787	3362	160	Manganese	manganese	JJ
12787	3362	161	Mn^{++	Mn^{++	NNS
12787	3362	162	}	}	-RRB-
12787	3362	163	|	|	NNP
12787	3362	164	|	|	NNP
12787	3362	165	Arsenic	Arsenic	NNP
12787	3362	166	|	|	NNP
12787	3362	167	Zinc	Zinc	NNP
12787	3362	168	Zn^{++	Zn^{++	NNP
12787	3362	169	}	}	-RRB-
12787	3362	170	|	|	NNP
12787	3362	171	+0.49	+0.49	NNP
12787	3362	172	|	|	NNP
12787	3362	173	Copper	Copper	NNP
12787	3362	174	Cu^{++	Cu^{++	NNP
12787	3362	175	}	}	-RRB-
12787	3362	176	|	|	CD
12787	3362	177	-0.61	-0.61	CD
12787	3362	178	Cadmium	Cadmium	NNP
12787	3362	179	Cd^{++	Cd^{++	NNP
12787	3362	180	}	}	-RRB-
12787	3362	181	|	|	NNP
12787	3362	182	+0.14	+0.14	NNP
12787	3362	183	|	|	NNP
12787	3362	184	Mercury	Mercury	NNP
12787	3362	185	Hg^{+	Hg^{+	NNP
12787	3362	186	}	}	-RRB-
12787	3362	187	|	|	NNP
12787	3362	188	-1.03	-1.03	CD
12787	3362	189	Iron	Iron	NNP
12787	3362	190	Fe^{++	Fe^{++	NNP
12787	3362	191	}	}	-RRB-
12787	3362	192	|	|	NNP
12787	3362	193	+0.063	+0.063	NNP
12787	3362	194	|	|	NNP
12787	3362	195	Silver	Silver	NNP
12787	3362	196	Ag^{+	Ag^{+	NNP
12787	3362	197	}	}	-RRB-
12787	3362	198	|	|	NNP
12787	3362	199	-1.05	-1.05	CD
12787	3362	200	Cobalt	Cobalt	NNP
12787	3362	201	Co^{++	Co^{++	NNP
12787	3362	202	}	}	-RRB-
12787	3362	203	|	|	NNP
12787	3362	204	-0.045	-0.045	NNP
12787	3362	205	|	|	NNP
12787	3362	206	Platinum	Platinum	NNP
12787	3362	207	|	|	NNP
12787	3362	208	Nickel	Nickel	NNP
12787	3362	209	Ni^{++	Ni^{++	NNP
12787	3362	210	}	}	-RRB-
12787	3362	211	|	|	NNP
12787	3362	212	-0.049	-0.049	NNP
12787	3362	213	|	|	NNP
12787	3362	214	Gold	Gold	NNP
12787	3362	215	|	|	NNP
12787	3362	216	Tin	Tin	NNP
12787	3362	217	Sn^{++	Sn^{++	NNP
12787	3362	218	}	}	-RRB-
12787	3362	219	|	|	NNP
12787	3362	220	-0.085	-0.085	NNP
12787	3362	221	(	(	-LRB-
12787	3362	222	?	?	.
12787	3362	223	)	)	-RRB-
12787	3363	1	|	|	NNP
12787	3363	2	|	|	NNP
12787	3363	3	_	_	NNP
12787	3363	4	_	_	NNP
12787	3363	5	_	_	NNP
12787	3363	6	_	_	NNP
12787	3363	7	_	_	NNP
12787	3363	8	_	_	NNP
12787	3363	9	_	_	NNP
12787	3363	10	_	_	NNP
12787	3363	11	_	_	NNP
12787	3363	12	_	_	NNP
12787	3363	13	_	_	NNP
12787	3363	14	_	_	NNP
12787	3363	15	_	_	NNP
12787	3363	16	_	_	NNP
12787	3363	17	_	_	NNP
12787	3363	18	_	_	NNP
12787	3363	19	_	_	NNP
12787	3363	20	_	_	NNP
12787	3363	21	_	_	NNP
12787	3363	22	_	_	NNP
12787	3363	23	_	_	NNP
12787	3363	24	|___________|____________________|	|___________|____________________|	NNP
12787	3363	25	_	_	NNP
12787	3363	26	_	_	NNP
12787	3363	27	_	_	NNP
12787	3363	28	_	_	NNP
12787	3363	29	_	_	NNP
12787	3363	30	_	_	NNP
12787	3363	31	_	_	NNP
12787	3363	32	_	_	NNP
12787	3363	33	_	_	NNP
12787	3363	34	_	_	NNP
12787	3363	35	THE	the	DT
12787	3363	36	FOLDING	folding	NN
12787	3363	37	OF	of	IN
12787	3363	38	A	a	DT
12787	3363	39	FILTER	filter	NN
12787	3363	40	PAPER	paper	NN
12787	3363	41	If	if	IN
12787	3363	42	a	a	DT
12787	3363	43	filter	filter	NN
12787	3363	44	paper	paper	NN
12787	3363	45	is	be	VBZ
12787	3363	46	folded	fold	VBN
12787	3363	47	along	along	IN
12787	3363	48	its	-PRON-	PRP$
12787	3363	49	diameter	diameter	NN
12787	3363	50	,	,	,
12787	3363	51	and	and	CC
12787	3363	52	again	again	RB
12787	3363	53	folded	fold	VBN
12787	3363	54	along	along	IN
12787	3363	55	the	the	DT
12787	3363	56	radius	radius	NN
12787	3363	57	at	at	IN
12787	3363	58	right	right	JJ
12787	3363	59	angles	angle	NNS
12787	3363	60	to	to	IN
12787	3363	61	the	the	DT
12787	3363	62	original	original	JJ
12787	3363	63	fold	fold	NN
12787	3363	64	,	,	,
12787	3363	65	a	a	DT
12787	3363	66	cone	cone	NN
12787	3363	67	is	be	VBZ
12787	3363	68	formed	form	VBN
12787	3363	69	on	on	IN
12787	3363	70	opening	opening	NN
12787	3363	71	,	,	,
12787	3363	72	the	the	DT
12787	3363	73	angle	angle	NN
12787	3363	74	of	of	IN
12787	3363	75	which	which	WDT
12787	3363	76	is	be	VBZ
12787	3363	77	60Â	60â	CD
12787	3363	78	°	°	NNS
12787	3363	79	.	.	.
12787	3364	1	Funnels	funnel	NNS
12787	3364	2	for	for	IN
12787	3364	3	analytical	analytical	JJ
12787	3364	4	use	use	NN
12787	3364	5	are	be	VBP
12787	3364	6	supposed	suppose	VBN
12787	3364	7	to	to	TO
12787	3364	8	have	have	VB
12787	3364	9	the	the	DT
12787	3364	10	same	same	JJ
12787	3364	11	angle	angle	NN
12787	3364	12	,	,	,
12787	3364	13	but	but	CC
12787	3364	14	are	be	VBP
12787	3364	15	rarely	rarely	RB
12787	3364	16	accurate	accurate	JJ
12787	3364	17	.	.	.
12787	3365	1	It	-PRON-	PRP
12787	3365	2	is	be	VBZ
12787	3365	3	possible	possible	JJ
12787	3365	4	,	,	,
12787	3365	5	however	however	RB
12787	3365	6	,	,	,
12787	3365	7	with	with	IN
12787	3365	8	care	care	NN
12787	3365	9	,	,	,
12787	3365	10	to	to	TO
12787	3365	11	fit	fit	VB
12787	3365	12	a	a	DT
12787	3365	13	filter	filter	NN
12787	3365	14	thus	thus	RB
12787	3365	15	folded	fold	VBN
12787	3365	16	into	into	IN
12787	3365	17	a	a	DT
12787	3365	18	funnel	funnel	NN
12787	3365	19	in	in	IN
12787	3365	20	such	such	PDT
12787	3365	21	a	a	DT
12787	3365	22	way	way	NN
12787	3365	23	as	as	IN
12787	3365	24	to	to	TO
12787	3365	25	prevent	prevent	VB
12787	3365	26	air	air	NN
12787	3365	27	from	from	IN
12787	3365	28	passing	pass	VBG
12787	3365	29	down	down	RP
12787	3365	30	between	between	IN
12787	3365	31	the	the	DT
12787	3365	32	paper	paper	NN
12787	3365	33	and	and	CC
12787	3365	34	the	the	DT
12787	3365	35	funnel	funnel	NN
12787	3365	36	to	to	TO
12787	3365	37	break	break	VB
12787	3365	38	the	the	DT
12787	3365	39	column	column	NN
12787	3365	40	of	of	IN
12787	3365	41	liquid	liquid	NN
12787	3365	42	in	in	IN
12787	3365	43	the	the	DT
12787	3365	44	stem	stem	NN
12787	3365	45	,	,	,
12787	3365	46	which	which	WDT
12787	3365	47	aids	aid	VBZ
12787	3365	48	greatly	greatly	RB
12787	3365	49	,	,	,
12787	3365	50	by	by	IN
12787	3365	51	its	-PRON-	PRP$
12787	3365	52	gentle	gentle	JJ
12787	3365	53	suction	suction	NN
12787	3365	54	,	,	,
12787	3365	55	in	in	IN
12787	3365	56	promoting	promote	VBG
12787	3365	57	the	the	DT
12787	3365	58	rate	rate	NN
12787	3365	59	of	of	IN
12787	3365	60	filtration	filtration	NN
12787	3365	61	.	.	.
12787	3366	1	Such	such	PDT
12787	3366	2	a	a	DT
12787	3366	3	filter	filter	NN
12787	3366	4	has	have	VBZ
12787	3366	5	,	,	,
12787	3366	6	however	however	RB
12787	3366	7	,	,	,
12787	3366	8	the	the	DT
12787	3366	9	disadvantage	disadvantage	NN
12787	3366	10	that	that	IN
12787	3366	11	there	there	EX
12787	3366	12	are	be	VBP
12787	3366	13	three	three	CD
12787	3366	14	thicknesses	thickness	NNS
12787	3366	15	of	of	IN
12787	3366	16	paper	paper	NN
12787	3366	17	back	back	RB
12787	3366	18	of	of	IN
12787	3366	19	half	half	NN
12787	3366	20	of	of	IN
12787	3366	21	its	-PRON-	PRP$
12787	3366	22	filtering	filtering	NN
12787	3366	23	surface	surface	NN
12787	3366	24	,	,	,
12787	3366	25	as	as	IN
12787	3366	26	a	a	DT
12787	3366	27	consequence	consequence	NN
12787	3366	28	of	of	IN
12787	3366	29	which	which	WDT
12787	3366	30	one	one	CD
12787	3366	31	half	half	NN
12787	3366	32	of	of	IN
12787	3366	33	a	a	DT
12787	3366	34	precipitate	precipitate	NN
12787	3366	35	washes	wash	NNS
12787	3366	36	or	or	CC
12787	3366	37	drains	drain	VBZ
12787	3366	38	more	more	RBR
12787	3366	39	slowly	slowly	RB
12787	3366	40	.	.	.
12787	3367	1	Much	much	JJ
12787	3367	2	time	time	NN
12787	3367	3	may	may	MD
12787	3367	4	be	be	VB
12787	3367	5	saved	save	VBN
12787	3367	6	in	in	IN
12787	3367	7	the	the	DT
12787	3367	8	aggregate	aggregate	NN
12787	3367	9	by	by	IN
12787	3367	10	learning	learn	VBG
12787	3367	11	to	to	TO
12787	3367	12	fold	fold	VB
12787	3367	13	a	a	DT
12787	3367	14	filter	filter	NN
12787	3367	15	in	in	IN
12787	3367	16	such	such	PDT
12787	3367	17	a	a	DT
12787	3367	18	way	way	NN
12787	3367	19	as	as	IN
12787	3367	20	to	to	TO
12787	3367	21	improve	improve	VB
12787	3367	22	its	-PRON-	PRP$
12787	3367	23	effective	effective	JJ
12787	3367	24	filtering	filtering	NN
12787	3367	25	surface	surface	NN
12787	3367	26	.	.	.
12787	3368	1	The	the	DT
12787	3368	2	directions	direction	NNS
12787	3368	3	which	which	WDT
12787	3368	4	follow	follow	VBP
12787	3368	5	,	,	,
12787	3368	6	though	though	IN
12787	3368	7	apparently	apparently	RB
12787	3368	8	complicated	complicate	VBN
12787	3368	9	on	on	IN
12787	3368	10	first	first	JJ
12787	3368	11	reading	reading	NN
12787	3368	12	,	,	,
12787	3368	13	are	be	VBP
12787	3368	14	easily	easily	RB
12787	3368	15	applied	apply	VBN
12787	3368	16	and	and	CC
12787	3368	17	easily	easily	RB
12787	3368	18	remembered	remember	VBN
12787	3368	19	.	.	.
12787	3369	1	Use	use	VB
12787	3369	2	a	a	DT
12787	3369	3	6-inch	6-inch	CD
12787	3369	4	filter	filter	NN
12787	3369	5	for	for	IN
12787	3369	6	practice	practice	NN
12787	3369	7	.	.	.
12787	3370	1	Place	place	NN
12787	3370	2	four	four	CD
12787	3370	3	dots	dot	NNS
12787	3370	4	on	on	IN
12787	3370	5	the	the	DT
12787	3370	6	filter	filter	NN
12787	3370	7	,	,	,
12787	3370	8	two	two	CD
12787	3370	9	each	each	DT
12787	3370	10	on	on	IN
12787	3370	11	diameters	diameter	NNS
12787	3370	12	which	which	WDT
12787	3370	13	are	be	VBP
12787	3370	14	at	at	IN
12787	3370	15	right	right	JJ
12787	3370	16	angles	angle	NNS
12787	3370	17	to	to	IN
12787	3370	18	each	each	DT
12787	3370	19	other	other	JJ
12787	3370	20	.	.	.
12787	3371	1	Then	then	RB
12787	3371	2	proceed	proceed	VB
12787	3371	3	as	as	IN
12787	3371	4	follows	follow	VBZ
12787	3371	5	:	:	:
12787	3371	6	(	(	-LRB-
12787	3371	7	1	1	LS
12787	3371	8	)	)	-RRB-
12787	3371	9	Fold	fold	VB
12787	3371	10	the	the	DT
12787	3371	11	filter	filter	NN
12787	3371	12	evenly	evenly	RB
12787	3371	13	across	across	IN
12787	3371	14	one	one	CD
12787	3371	15	of	of	IN
12787	3371	16	the	the	DT
12787	3371	17	diameters	diameter	NNS
12787	3371	18	,	,	,
12787	3371	19	creasing	crease	VBG
12787	3371	20	it	-PRON-	PRP
12787	3371	21	carefully	carefully	RB
12787	3371	22	;	;	,
12787	3371	23	(	(	-LRB-
12787	3371	24	2	2	LS
12787	3371	25	)	)	-RRB-
12787	3371	26	open	open	VB
12787	3371	27	the	the	DT
12787	3371	28	paper	paper	NN
12787	3371	29	,	,	,
12787	3371	30	turn	turn	VB
12787	3371	31	it	-PRON-	PRP
12787	3371	32	over	over	RP
12787	3371	33	,	,	,
12787	3371	34	rotate	rotate	VB
12787	3371	35	it	-PRON-	PRP
12787	3371	36	90Â	90â	NN
12787	3371	37	°	°	,
12787	3371	38	to	to	IN
12787	3371	39	the	the	DT
12787	3371	40	right	right	NN
12787	3371	41	,	,	,
12787	3371	42	bring	bring	VB
12787	3371	43	the	the	DT
12787	3371	44	edges	edge	NNS
12787	3371	45	together	together	RB
12787	3371	46	and	and	CC
12787	3371	47	crease	crease	VB
12787	3371	48	along	along	IN
12787	3371	49	the	the	DT
12787	3371	50	other	other	JJ
12787	3371	51	diameter	diameter	NN
12787	3371	52	;	;	:
12787	3371	53	(	(	-LRB-
12787	3371	54	3	3	LS
12787	3371	55	)	)	-RRB-
12787	3371	56	open	open	JJ
12787	3371	57	,	,	,
12787	3371	58	and	and	CC
12787	3371	59	rotate	rotate	VB
12787	3371	60	45Â	45â	CD
12787	3371	61	°	°	,
12787	3371	62	to	to	IN
12787	3371	63	the	the	DT
12787	3371	64	right	right	NN
12787	3371	65	,	,	,
12787	3371	66	bring	bring	VB
12787	3371	67	edges	edge	NNS
12787	3371	68	together	together	RB
12787	3371	69	,	,	,
12787	3371	70	and	and	CC
12787	3371	71	crease	crease	NN
12787	3371	72	evenly	evenly	RB
12787	3371	73	;	;	,
12787	3371	74	(	(	-LRB-
12787	3371	75	4	4	LS
12787	3371	76	)	)	-RRB-
12787	3371	77	open	open	JJ
12787	3371	78	,	,	,
12787	3371	79	and	and	CC
12787	3371	80	rotate	rotate	VB
12787	3371	81	90Â	90â	NN
12787	3371	82	°	°	NNS
12787	3371	83	to	to	IN
12787	3371	84	the	the	DT
12787	3371	85	right	right	NN
12787	3371	86	,	,	,
12787	3371	87	and	and	CC
12787	3371	88	crease	crease	NN
12787	3371	89	evenly	evenly	RB
12787	3371	90	;	;	,
12787	3371	91	(	(	-LRB-
12787	3371	92	5	5	LS
12787	3371	93	)	)	-RRB-
12787	3371	94	open	open	JJ
12787	3371	95	,	,	,
12787	3371	96	turn	turn	VB
12787	3371	97	the	the	DT
12787	3371	98	filter	filter	NN
12787	3371	99	over	over	RP
12787	3371	100	,	,	,
12787	3371	101	rotate	rotate	VB
12787	3371	102	22-(1/2)Â	22-(1/2)â	CD
12787	3371	103	°	°	NNS
12787	3371	104	to	to	IN
12787	3371	105	the	the	DT
12787	3371	106	right	right	NN
12787	3371	107	,	,	,
12787	3371	108	and	and	CC
12787	3371	109	crease	crease	NN
12787	3371	110	evenly	evenly	RB
12787	3371	111	;	;	,
12787	3371	112	(	(	-LRB-
12787	3371	113	6	6	LS
12787	3371	114	)	)	-RRB-
12787	3371	115	open	open	JJ
12787	3371	116	,	,	,
12787	3371	117	rotate	rotate	VBP
12787	3371	118	45Â	45â	CD
12787	3371	119	°	°	,
12787	3371	120	to	to	IN
12787	3371	121	the	the	DT
12787	3371	122	right	right	NN
12787	3371	123	and	and	CC
12787	3371	124	crease	crease	NN
12787	3371	125	evenly	evenly	RB
12787	3371	126	;	;	,
12787	3371	127	(	(	-LRB-
12787	3371	128	7	7	LS
12787	3371	129	)	)	-RRB-
12787	3371	130	open	open	JJ
12787	3371	131	,	,	,
12787	3371	132	rotate	rotate	VBP
12787	3371	133	45Â	45â	CD
12787	3371	134	°	°	,
12787	3371	135	to	to	IN
12787	3371	136	the	the	DT
12787	3371	137	right	right	NN
12787	3371	138	and	and	CC
12787	3371	139	crease	crease	NN
12787	3371	140	evenly	evenly	RB
12787	3371	141	;	;	:
12787	3371	142	(	(	-LRB-
12787	3371	143	8)	8)	CD
12787	3371	144	open	open	JJ
12787	3371	145	,	,	,
12787	3371	146	rotate	rotate	VBP
12787	3371	147	45Â	45â	CD
12787	3371	148	°	°	,
12787	3371	149	to	to	IN
12787	3371	150	the	the	DT
12787	3371	151	right	right	NN
12787	3371	152	and	and	CC
12787	3371	153	crease	crease	NN
12787	3371	154	evenly	evenly	RB
12787	3371	155	;	;	,
12787	3371	156	(	(	-LRB-
12787	3371	157	9	9	LS
12787	3371	158	)	)	-RRB-
12787	3371	159	open	open	VB
12787	3371	160	the	the	DT
12787	3371	161	filter	filter	NN
12787	3371	162	,	,	,
12787	3371	163	and	and	CC
12787	3371	164	,	,	,
12787	3371	165	starting	start	VBG
12787	3371	166	with	with	IN
12787	3371	167	one	one	CD
12787	3371	168	of	of	IN
12787	3371	169	the	the	DT
12787	3371	170	dots	dot	NNS
12787	3371	171	between	between	IN
12787	3371	172	thumb	thumb	NN
12787	3371	173	and	and	CC
12787	3371	174	forefinger	forefinger	NN
12787	3371	175	of	of	IN
12787	3371	176	the	the	DT
12787	3371	177	right	right	JJ
12787	3371	178	hand	hand	NN
12787	3371	179	,	,	,
12787	3371	180	fold	fold	VB
12787	3371	181	the	the	DT
12787	3371	182	second	second	JJ
12787	3371	183	crease	crease	NN
12787	3371	184	to	to	IN
12787	3371	185	the	the	DT
12787	3371	186	left	left	NN
12787	3371	187	over	over	RP
12787	3371	188	on	on	IN
12787	3371	189	it	-PRON-	PRP
12787	3371	190	,	,	,
12787	3371	191	and	and	CC
12787	3371	192	do	do	VB
12787	3371	193	the	the	DT
12787	3371	194	same	same	JJ
12787	3371	195	with	with	IN
12787	3371	196	each	each	DT
12787	3371	197	of	of	IN
12787	3371	198	the	the	DT
12787	3371	199	other	other	JJ
12787	3371	200	dots	dot	NNS
12787	3371	201	.	.	.
12787	3372	1	Place	place	VB
12787	3372	2	it	-PRON-	PRP
12787	3372	3	,	,	,
12787	3372	4	thus	thus	RB
12787	3372	5	folded	fold	VBN
12787	3372	6	,	,	,
12787	3372	7	in	in	IN
12787	3372	8	the	the	DT
12787	3372	9	funnel	funnel	NN
12787	3372	10	,	,	,
12787	3372	11	moisten	moisten	VB
12787	3372	12	it	-PRON-	PRP
12787	3372	13	,	,	,
12787	3372	14	and	and	CC
12787	3372	15	fit	fit	VB
12787	3372	16	to	to	IN
12787	3372	17	the	the	DT
12787	3372	18	side	side	NN
12787	3372	19	of	of	IN
12787	3372	20	the	the	DT
12787	3372	21	funnel	funnel	NN
12787	3372	22	.	.	.
12787	3373	1	The	the	DT
12787	3373	2	filter	filter	NN
12787	3373	3	will	will	MD
12787	3373	4	then	then	RB
12787	3373	5	have	have	VB
12787	3373	6	four	four	CD
12787	3373	7	short	short	JJ
12787	3373	8	segments	segment	NNS
12787	3373	9	where	where	WRB
12787	3373	10	there	there	EX
12787	3373	11	are	be	VBP
12787	3373	12	three	three	CD
12787	3373	13	thicknesses	thickness	NNS
12787	3373	14	and	and	CC
12787	3373	15	four	four	CD
12787	3373	16	where	where	WRB
12787	3373	17	there	there	EX
12787	3373	18	is	be	VBZ
12787	3373	19	one	one	CD
12787	3373	20	thickness	thickness	NN
12787	3373	21	,	,	,
12787	3373	22	but	but	CC
12787	3373	23	the	the	DT
12787	3373	24	latter	latter	JJ
12787	3373	25	are	be	VBP
12787	3373	26	evenly	evenly	RB
12787	3373	27	distributed	distribute	VBN
12787	3373	28	around	around	IN
12787	3373	29	its	-PRON-	PRP$
12787	3373	30	circumference	circumference	NN
12787	3373	31	,	,	,
12787	3373	32	thus	thus	RB
12787	3373	33	greatly	greatly	RB
12787	3373	34	aiding	aid	VBG
12787	3373	35	the	the	DT
12787	3373	36	passage	passage	NN
12787	3373	37	of	of	IN
12787	3373	38	liquids	liquid	NNS
12787	3373	39	through	through	IN
12787	3373	40	the	the	DT
12787	3373	41	paper	paper	NN
12787	3373	42	and	and	CC
12787	3373	43	hastening	hasten	VBG
12787	3373	44	both	both	DT
12787	3373	45	filtration	filtration	NN
12787	3373	46	and	and	CC
12787	3373	47	washing	washing	NN
12787	3373	48	of	of	IN
12787	3373	49	the	the	DT
12787	3373	50	whole	whole	JJ
12787	3373	51	contents	content	NNS
12787	3373	52	of	of	IN
12787	3373	53	the	the	DT
12787	3373	54	filter	filter	NN
12787	3373	55	.	.	.
12787	3374	1	!	!	NFP
12787	3374	2	SAMPLE	sample	PRP$
12787	3374	3	PAGES	pages	NN
12787	3374	4	FOR	for	IN
12787	3374	5	LABORATORY	laboratory	NN
12787	3374	6	RECORDS	record	NNS
12787	3374	7	!	!	.
12787	3375	1	!	!	.
12787	3375	2	Page	page	NN
12787	3375	3	A	a	NN
12787	3375	4	!	!	.
12787	3376	1	Date	date	NN
12787	3376	2	CALIBRATION	calibration	NN
12787	3376	3	OF	of	IN
12787	3376	4	BURETTE	burette	NN
12787	3376	5	No	no	UH
12787	3376	6	.	.	.
12787	3377	1	_	_	NNP
12787	3377	2	_	_	NNP
12787	3377	3	_	_	NNP
12787	3377	4	_	_	NNP
12787	3377	5	_	_	NNP
12787	3377	6	_	_	NNP
12787	3377	7	_	_	NNP
12787	3377	8	_	_	NNP
12787	3377	9	_	_	NNP
12787	3377	10	_	_	NNP
12787	3377	11	_	_	NNP
12787	3377	12	_	_	NNP
12787	3377	13	_	_	NNP
12787	3377	14	_	_	NNP
12787	3377	15	_	_	NNP
12787	3377	16	_	_	NNP
12787	3377	17	_	_	NNP
12787	3377	18	_	_	NNP
12787	3377	19	_	_	NNP
12787	3377	20	_	_	NNP
12787	3377	21	_	_	NNP
12787	3377	22	_	_	NNP
12787	3377	23	_	_	NNP
12787	3377	24	_	_	NNP
12787	3377	25	_	_	NNP
12787	3377	26	_	_	NNP
12787	3377	27	_	_	NNP
12787	3377	28	_	_	NNP
12787	3377	29	_	_	NNP
12787	3377	30	_	_	NNP
12787	3377	31	_	_	NNP
12787	3377	32	_	_	NNP
12787	3377	33	_	_	NNP
12787	3377	34	_	_	NNP
12787	3377	35	_	_	NNP
12787	3377	36	_	_	NNP
12787	3377	37	_	_	NNP
12787	3377	38	_	_	NNP
12787	3377	39	_	_	NNP
12787	3377	40	_	_	NNP
12787	3377	41	_	_	NNP
12787	3377	42	_	_	NNP
12787	3377	43	_	_	NNP
12787	3377	44	_	_	NNP
12787	3377	45	_	_	NNP
12787	3377	46	_	_	NNP
12787	3377	47	_	_	NNP
12787	3377	48	_	_	NNP
12787	3377	49	_	_	NNP
12787	3377	50	_	_	NNP
12787	3377	51	_	_	NNP
12787	3377	52	_	_	NNP
12787	3377	53	_	_	NNP
12787	3377	54	_	_	NNP
12787	3377	55	_	_	NNP
12787	3377	56	_	_	NNP
12787	3377	57	_	_	NNP
12787	3377	58	_	_	NNP
12787	3377	59	_	_	NNP
12787	3377	60	_	_	NNP
12787	3377	61	_	_	NNP
12787	3377	62	_	_	NNP
12787	3377	63	_	_	NNP
12787	3377	64	_	_	NNP
12787	3377	65	_	_	NNP
12787	3377	66	_	_	NNP
12787	3377	67	_	_	NNP
12787	3377	68	_	_	NNP
12787	3377	69	_	_	NNP
12787	3377	70	_	_	NNP
12787	3377	71	_	_	NNP
12787	3377	72	_	_	NNP
12787	3377	73	_	_	NNP
12787	3377	74	_	_	NNP
12787	3377	75	_	_	NNP
12787	3377	76	|	|	NNP
12787	3377	77	|	|	NNP
12787	3377	78	|	|	CD
12787	3377	79	|	|	CD
12787	3377	80	BURETTE	BURETTE	NNP
12787	3377	81	|	|	NNP
12787	3377	82	DIFFERENCE	DIFFERENCE	NNP
12787	3377	83	|	|	NNP
12787	3377	84	OBSERVED	observe	VBN
12787	3377	85	|	|	NNP
12787	3377	86	DIFFERENCE	DIFFERENCE	NNP
12787	3377	87	|	|	NNP
12787	3377	88	CALCULATED	CALCULATED	NNP
12787	3377	89	READINGS	READINGS	NNP
12787	3377	90	|	|	NNP
12787	3377	91	|	|	NNP
12787	3377	92	WEIGHTS	WEIGHTS	NNP
12787	3377	93	|	|	HYPH
12787	3377	94	|	|	NNP
12787	3377	95	CORRECTION	CORRECTION	NNP
12787	3377	96	_	_	NNP
12787	3377	97	_	_	NNP
12787	3377	98	_	_	NNP
12787	3377	99	_	_	NNP
12787	3377	100	_	_	NNP
12787	3377	101	_	_	NNP
12787	3377	102	_	_	NNP
12787	3377	103	_	_	NNP
12787	3377	104	_	_	NNP
12787	3377	105	_	_	NNP
12787	3377	106	_	_	NNP
12787	3377	107	_	_	NNP
12787	3377	108	_	_	NNP
12787	3377	109	_	_	NNP
12787	3377	110	_	_	NNP
12787	3377	111	|______________|______________|______________|	|______________|______________|______________|	NNP
12787	3377	112	_	_	NNP
12787	3377	113	_	_	NNP
12787	3377	114	_	_	NNP
12787	3377	115	_	_	NNP
12787	3377	116	_	_	NNP
12787	3377	117	_	_	NNP
12787	3377	118	_	_	NNP
12787	3377	119	_	_	NNP
12787	3377	120	_	_	NNP
12787	3377	121	_	_	NNP
12787	3377	122	_	_	NNP
12787	3377	123	_	_	NNP
12787	3377	124	_	_	NNP
12787	3377	125	_	_	NNP
12787	3377	126	0.02	0.02	CD
12787	3377	127	|	|	CD
12787	3377	128	|	|	CD
12787	3377	129	16.27	16.27	CD
12787	3377	130	|	|	CD
12787	3377	131	|	|	CD
12787	3377	132	10.12	10.12	CD
12787	3377	133	|	|	CD
12787	3377	134	10.10	10.10	CD
12787	3377	135	|	|	CD
12787	3377	136	26.35	26.35	CD
12787	3377	137	|	|	CD
12787	3377	138	10.08	10.08	CD
12787	3377	139	|	|	CD
12787	3377	140	-.02	-.02	CD
12787	3377	141	20.09	20.09	CD
12787	3377	142	|	|	CD
12787	3377	143	9.97	9.97	CD
12787	3377	144	|	|	CD
12787	3377	145	36.26	36.26	CD
12787	3377	146	|	|	CD
12787	3377	147	9.91	9.91	CD
12787	3377	148	|	|	CD
12787	3377	149	-.06	-.06	NN
12787	3377	150	30.16	30.16	CD
12787	3377	151	|	|	CD
12787	3377	152	10.07	10.07	CD
12787	3377	153	|	|	CD
12787	3377	154	46.34	46.34	CD
12787	3377	155	|	|	CD
12787	3377	156	10.08	10.08	CD
12787	3377	157	|	|	CD
12787	3377	158	+	+	SYM
12787	3377	159	.01	.01	CD
12787	3377	160	40.19	40.19	CD
12787	3377	161	|	|	CD
12787	3377	162	10.03	10.03	CD
12787	3377	163	|	|	CD
12787	3377	164	56.31	56.31	CD
12787	3377	165	|	|	CD
12787	3377	166	9.97	9.97	CD
12787	3377	167	|	|	CD
12787	3377	168	-.06	-.06	NN
12787	3377	169	50.00	50.00	CD
12787	3377	170	|	|	CD
12787	3377	171	9.81	9.81	CD
12787	3377	172	|	|	CD
12787	3377	173	66.17	66.17	CD
12787	3377	174	|	|	CD
12787	3377	175	9.86	9.86	CD
12787	3377	176	|	|	CD
12787	3377	177	+	+	SYM
12787	3377	178	.05	.05	NFP
12787	3377	179	_	_	NNP
12787	3377	180	_	_	NNP
12787	3377	181	_	_	NNP
12787	3377	182	_	_	NNP
12787	3377	183	_	_	NNP
12787	3377	184	_	_	NNP
12787	3377	185	_	_	NNP
12787	3377	186	_	_	NNP
12787	3377	187	_	_	NNP
12787	3377	188	_	_	NNP
12787	3377	189	_	_	NNP
12787	3377	190	_	_	NNP
12787	3377	191	_	_	NNP
12787	3377	192	_	_	NNP
12787	3377	193	_	_	NNP
12787	3377	194	|______________|______________|______________|	|______________|______________|______________|	NNP
12787	3377	195	_	_	NNP
12787	3377	196	_	_	NNP
12787	3377	197	_	_	NNP
12787	3377	198	_	_	NNP
12787	3377	199	_	_	NNP
12787	3377	200	_	_	NNP
12787	3377	201	_	_	NNP
12787	3377	202	_	_	NNP
12787	3377	203	_	_	NNP
12787	3377	204	_	_	NNP
12787	3377	205	_	_	NNP
12787	3377	206	_	_	NNP
12787	3377	207	_	_	NNP
12787	3377	208	_	_	NNP
12787	3377	209	These	these	DT
12787	3377	210	data	datum	NNS
12787	3377	211	to	to	TO
12787	3377	212	be	be	VB
12787	3377	213	obtained	obtain	VBN
12787	3377	214	in	in	IN
12787	3377	215	duplicate	duplicate	NN
12787	3377	216	for	for	IN
12787	3377	217	each	each	DT
12787	3377	218	burette	burette	NN
12787	3377	219	.	.	.
12787	3378	1	!	!	.
12787	3378	2	Page	page	NN
12787	3378	3	B	b	NN
12787	3378	4	!	!	.
12787	3379	1	Date	date	NN
12787	3379	2	DETERMINATION	DETERMINATION	NNP
12787	3379	3	OF	of	IN
12787	3379	4	COMPARATIVE	COMPARATIVE	NNP
12787	3379	5	STRENGTH	STRENGTH	NNP
12787	3379	6	HCl	HCl	NNPS
12787	3379	7	vs.	vs.	IN
12787	3379	8	NaOH	NaOH	NNP
12787	3379	9	_	_	NNP
12787	3379	10	_	_	NNP
12787	3379	11	_	_	NNP
12787	3379	12	_	_	NNP
12787	3379	13	_	_	NNP
12787	3379	14	_	_	NNP
12787	3379	15	_	_	NNP
12787	3379	16	_	_	NNP
12787	3379	17	_	_	NNP
12787	3379	18	_	_	NNP
12787	3379	19	_	_	NNP
12787	3379	20	_	_	NNP
12787	3379	21	_	_	NNP
12787	3379	22	_	_	NNP
12787	3379	23	_	_	NNP
12787	3379	24	_	_	NNP
12787	3379	25	_	_	NNP
12787	3379	26	_	_	NNP
12787	3379	27	_	_	NNP
12787	3379	28	_	_	NNP
12787	3379	29	_	_	NNP
12787	3379	30	_	_	NNP
12787	3379	31	_	_	NNP
12787	3379	32	_	_	NNP
12787	3379	33	_	_	NNP
12787	3379	34	_	_	NNP
12787	3379	35	_	_	NNP
12787	3379	36	_	_	NNP
12787	3379	37	_	_	NNP
12787	3379	38	_	_	NNP
12787	3379	39	_	_	NNP
12787	3379	40	_	_	NNP
12787	3379	41	_	_	NNP
12787	3379	42	_	_	NNP
12787	3379	43	_	_	NNP
12787	3379	44	_	_	NNP
12787	3379	45	_	_	NNP
12787	3379	46	_	_	NNP
12787	3379	47	_	_	NNP
12787	3379	48	_	_	NNP
12787	3379	49	_	_	NNP
12787	3379	50	_	_	NNP
12787	3379	51	_	_	NNP
12787	3379	52	_	_	NNP
12787	3379	53	_	_	NNP
12787	3379	54	_	_	NNP
12787	3379	55	_	_	NNP
12787	3379	56	_	_	NNP
12787	3379	57	_	_	NNP
12787	3379	58	_	_	NNP
12787	3379	59	_	_	NNP
12787	3379	60	_	_	NNP
12787	3379	61	_	_	NNP
12787	3379	62	_	_	NNP
12787	3379	63	_	_	NNP
12787	3379	64	_	_	NNP
12787	3379	65	_	_	NNP
12787	3379	66	_	_	NNP
12787	3379	67	_	_	NNP
12787	3379	68	_	_	NNP
12787	3379	69	_	_	NNP
12787	3379	70	_	_	NNP
12787	3379	71	_	_	NNP
12787	3379	72	_	_	NNP
12787	3379	73	_	_	NNP
12787	3379	74	_	_	NNP
12787	3379	75	_	_	NNP
12787	3379	76	_	_	NNP
12787	3379	77	_	_	NNP
12787	3379	78	_	_	NNP
12787	3379	79	_	_	NNP
12787	3379	80	_	_	NNP
12787	3379	81	_	_	NNP
12787	3379	82	_	_	NNP
12787	3379	83	_	_	NNP
12787	3379	84	|	|	NNP
12787	3379	85	|	|	NNP
12787	3379	86	DETERMINATION	DETERMINATION	NNP
12787	3379	87	|	|	NNP
12787	3379	88	I	I	NNP
12787	3379	89	|	|	NNP
12787	3379	90	II	II	NNP
12787	3379	91	_	_	NNP
12787	3379	92	_	_	NNP
12787	3379	93	_	_	NNP
12787	3379	94	_	_	NNP
12787	3379	95	_	_	NNP
12787	3379	96	_	_	NNP
12787	3379	97	_	_	NNP
12787	3379	98	_	_	NNP
12787	3379	99	_	_	NNP
12787	3379	100	_	_	NNP
12787	3379	101	_	_	NNP
12787	3379	102	_	_	NNP
12787	3379	103	_	_	NNP
12787	3379	104	_	_	NNP
12787	3379	105	_	_	NNP
12787	3379	106	_	_	NNP
12787	3379	107	_	_	NNP
12787	3379	108	_	_	NNP
12787	3379	109	_	_	NNP
12787	3379	110	_	_	NNP
12787	3379	111	_	_	NNP
12787	3379	112	_	_	NNP
12787	3379	113	_	_	NNP
12787	3379	114	_	_	NNP
12787	3379	115	_	_	NNP
12787	3379	116	|________________________|	|________________________|	NNP
12787	3379	117	_	_	NNP
12787	3379	118	_	_	NNP
12787	3379	119	_	_	NNP
12787	3379	120	_	_	NNP
12787	3379	121	_	_	NNP
12787	3379	122	_	_	NNP
12787	3379	123	_	_	NNP
12787	3379	124	_	_	NNP
12787	3379	125	_	_	NNP
12787	3379	126	_	_	NNP
12787	3379	127	_	_	NNP
12787	3379	128	_	_	NNP
12787	3379	129	_	_	NNP
12787	3379	130	_	_	NNP
12787	3379	131	_	_	NNP
12787	3379	132	_	_	NNP
12787	3379	133	_	_	NNP
12787	3379	134	_	_	NNP
12787	3379	135	_	_	NNP
12787	3379	136	_	_	NNP
12787	3379	137	_	_	NNP
12787	3379	138	_	_	NNP
12787	3379	139	_	_	NNP
12787	3379	140	_	_	NNP
12787	3379	141	|	|	NNP
12787	3379	142	|	|	NNP
12787	3379	143	|	|	NNP
12787	3379	144	Corrected	correct	VBN
12787	3379	145	|	|	NNP
12787	3379	146	Corrected	Corrected	NNP
12787	3379	147	Final	Final	NNP
12787	3379	148	Reading	Reading	NNP
12787	3379	149	HCl	HCl	NNPS
12787	3379	150	|	|	CD
12787	3379	151	48.17	48.17	CD
12787	3379	152	48.08	48.08	CD
12787	3379	153	|	|	CD
12787	3379	154	43.20	43.20	CD
12787	3379	155	43.14	43.14	CD
12787	3379	156	Initial	Initial	NNP
12787	3379	157	Reading	Reading	NNP
12787	3379	158	HCl	HCl	NNPS
12787	3379	159	|	|	NNP
12787	3379	160	0.12	0.12	CD
12787	3379	161	.12	.12	CD
12787	3379	162	|	|	CD
12787	3379	163	.17	.17	CD
12787	3379	164	.17	.17	CD
12787	3379	165	|	|	CD
12787	3379	166	-----	-----	NFP
12787	3379	167	-----	-----	NFP
12787	3379	168	|	|	HYPH
12787	3379	169	-----	-----	NFP
12787	3379	170	-----	-----	NFP
12787	3379	171	|	|	CD
12787	3379	172	47.96	47.96	CD
12787	3379	173	|	|	CD
12787	3379	174	42.97	42.97	CD
12787	3379	175	|	|	CD
12787	3379	176	|	|	CD
12787	3379	177	|	|	NNP
12787	3379	178	Corrected	correct	VBN
12787	3379	179	|	|	NNP
12787	3379	180	Corrected	Corrected	NNP
12787	3379	181	Final	Final	NNP
12787	3379	182	Reading	Reading	NNP
12787	3379	183	HCl	HCl	NNPS
12787	3379	184	|	|	CD
12787	3379	185	46.36	46.36	CD
12787	3379	186	46.29	46.29	CD
12787	3379	187	|	|	CD
12787	3379	188	40.51	40.51	CD
12787	3379	189	40.37	40.37	CD
12787	3379	190	Initial	Initial	NNP
12787	3379	191	Reading	Reading	NNP
12787	3379	192	HCl	HCl	NNPS
12787	3379	193	|	|	CD
12787	3379	194	1.75	1.75	CD
12787	3379	195	1.75	1.75	CD
12787	3379	196	|	|	CD
12787	3379	197	.50	.50	CD
12787	3379	198	.50	.50	CD
12787	3379	199	|	|	CD
12787	3379	200	-----	-----	CD
12787	3379	201	-----	-----	NFP
12787	3379	202	|	|	HYPH
12787	3379	203	-----	-----	NFP
12787	3379	204	-----	-----	NFP
12787	3379	205	|	|	CD
12787	3379	206	44.54	44.54	CD
12787	3379	207	|	|	CD
12787	3379	208	39.87	39.87	CD
12787	3379	209	|	|	CD
12787	3379	210	|	|	CD
12787	3379	211	log	log	NN
12787	3379	212	cc	cc	NN
12787	3379	213	.	.	.
12787	3380	1	NaOH	NaOH	NNP
12787	3380	2	|	|	NNP
12787	3380	3	1.6468	1.6468	CD
12787	3380	4	|	|	CD
12787	3380	5	1.6008	1.6008	CD
12787	3380	6	colog	colog	NN
12787	3380	7	cc	cc	NN
12787	3380	8	.	.	.
12787	3381	1	HCl	HCl	NNS
12787	3381	2	|	|	CD
12787	3381	3	8.3192	8.3192	CD
12787	3381	4	|	|	CD
12787	3381	5	8.3668	8.3668	CD
12787	3381	6	|	|	CD
12787	3381	7	------	------	CD
12787	3381	8	|	|	NNP
12787	3381	9	------	------	CD
12787	3381	10	|	|	CD
12787	3381	11	9.9680	9.9680	CD
12787	3381	12	-	-	HYPH
12787	3381	13	10	10	CD
12787	3381	14	|	|	CD
12787	3381	15	9.9676	9.9676	CD
12787	3381	16	-	-	SYM
12787	3381	17	10	10	CD
12787	3381	18	1	1	CD
12787	3381	19	cc	cc	NN
12787	3381	20	.	.	.
12787	3382	1	HCl	HCl	NNS
12787	3382	2	|	|	NNP
12787	3382	3	.9290	.9290	.
12787	3382	4	cc	cc	NNP
12787	3382	5	.	.	.
12787	3383	1	NaOH	NaOH	NNP
12787	3383	2	|	|	NNP
12787	3383	3	.9282	.9282	.
12787	3383	4	cc	cc	NNP
12787	3383	5	.	.	.
12787	3384	1	NaOH	NaOH	NNP
12787	3384	2	Mean	Mean	NNP
12787	3384	3	|	|	NNP
12787	3384	4	.9286	.9286	NNP
12787	3384	5	|	|	NNP
12787	3384	6	_	_	NNP
12787	3384	7	_	_	NNP
12787	3384	8	_	_	NNP
12787	3384	9	_	_	NNP
12787	3384	10	_	_	NNP
12787	3384	11	_	_	NNP
12787	3384	12	_	_	NNP
12787	3384	13	_	_	NNP
12787	3384	14	_	_	NNP
12787	3384	15	_	_	NNP
12787	3384	16	_	_	NNP
12787	3384	17	_	_	NNP
12787	3384	18	_	_	NNP
12787	3384	19	_	_	NNP
12787	3384	20	_	_	NNP
12787	3384	21	_	_	NNP
12787	3384	22	_	_	NNP
12787	3384	23	_	_	NNP
12787	3384	24	_	_	NNP
12787	3384	25	_	_	NNP
12787	3384	26	_	_	NNP
12787	3384	27	_	_	NNP
12787	3384	28	_	_	NNP
12787	3384	29	_	_	NNP
12787	3384	30	_	_	NNP
12787	3384	31	|________________________|	|________________________|	NNP
12787	3384	32	_	_	NNP
12787	3384	33	_	_	NNP
12787	3384	34	_	_	NNP
12787	3384	35	_	_	NNP
12787	3384	36	_	_	NNP
12787	3384	37	_	_	NNP
12787	3384	38	_	_	NNP
12787	3384	39	_	_	NNP
12787	3384	40	_	_	NNP
12787	3384	41	_	_	NNP
12787	3384	42	_	_	NNP
12787	3384	43	_	_	NNP
12787	3384	44	_	_	NNP
12787	3384	45	_	_	NNP
12787	3384	46	_	_	NNP
12787	3384	47	_	_	NNP
12787	3384	48	_	_	NNP
12787	3384	49	_	_	NNP
12787	3384	50	_	_	NNP
12787	3384	51	_	_	NNP
12787	3384	52	_	_	NNP
12787	3384	53	_	_	NNP
12787	3384	54	_	_	NNP
12787	3384	55	_	_	NNP
12787	3384	56	Signed	Signed	NNP
12787	3384	57	!	!	.
12787	3384	58	Page	page	NN
12787	3384	59	C	C	NNP
12787	3384	60	!	!	.
12787	3385	1	Date	date	NN
12787	3385	2	STANDARDIZATION	STANDARDIZATION	NNP
12787	3385	3	OF	of	IN
12787	3385	4	HYDROCHLORIC	HYDROCHLORIC	NNP
12787	3385	5	ACID	ACID	NNP
12787	3385	6	=	=	SYM
12787	3385	7	=	=	SYM
12787	3385	8	=	=	SYM
12787	3385	9	=	=	SYM
12787	3385	10	=	=	SYM
12787	3385	11	=	=	SYM
12787	3385	12	=	=	SYM
12787	3385	13	=	=	SYM
12787	3385	14	=	=	SYM
12787	3385	15	=	=	SYM
12787	3385	16	=	=	SYM
12787	3385	17	=	=	SYM
12787	3385	18	=	=	SYM
12787	3385	19	=	=	SYM
12787	3385	20	=	=	SYM
12787	3385	21	=	=	SYM
12787	3385	22	=	=	SYM
12787	3385	23	=	=	SYM
12787	3385	24	=	=	SYM
12787	3385	25	=	=	SYM
12787	3385	26	=	=	SYM
12787	3385	27	=	=	SYM
12787	3385	28	=	=	SYM
12787	3385	29	=	=	SYM
12787	3385	30	=	=	SYM
12787	3385	31	=	=	SYM
12787	3385	32	=	=	SYM
12787	3385	33	=	=	SYM
12787	3385	34	=	=	SYM
12787	3385	35	=	=	SYM
12787	3385	36	=	=	SYM
12787	3385	37	=	=	SYM
12787	3385	38	=	=	SYM
12787	3385	39	=	=	SYM
12787	3385	40	=	=	SYM
12787	3385	41	=	=	SYM
12787	3385	42	=	=	SYM
12787	3385	43	=	=	SYM
12787	3385	44	=	=	SYM
12787	3385	45	=	=	SYM
12787	3385	46	=	=	SYM
12787	3385	47	=	=	SYM
12787	3385	48	=	=	SYM
12787	3385	49	=	=	SYM
12787	3385	50	=	=	SYM
12787	3385	51	=	=	SYM
12787	3385	52	=	=	SYM
12787	3385	53	=	=	SYM
12787	3385	54	=	=	SYM
12787	3385	55	=	=	SYM
12787	3385	56	=	=	SYM
12787	3385	57	=	=	SYM
12787	3385	58	=	=	SYM
12787	3385	59	=	=	SYM
12787	3385	60	=	=	SYM
12787	3385	61	=	=	SYM
12787	3385	62	=	=	SYM
12787	3385	63	=	=	SYM
12787	3385	64	=	=	SYM
12787	3385	65	=	=	SYM
12787	3385	66	=	=	SYM
12787	3385	67	=	=	SYM
12787	3385	68	=	=	SYM
12787	3385	69	=	=	SYM
12787	3385	70	=	=	SYM
12787	3385	71	=	=	SYM
12787	3385	72	=	=	SYM
12787	3385	73	=	=	NNS
12787	3385	74	=	=	SYM
12787	3385	75	|	|	NNP
12787	3385	76	|	|	NNP
12787	3385	77	Weight	Weight	NNP
12787	3385	78	sample	sample	NN
12787	3385	79	and	and	CC
12787	3385	80	tube|	tube|	$
12787	3385	81	9.1793	9.1793	CD
12787	3385	82	|	|	CD
12787	3385	83	8.1731	8.1731	CD
12787	3385	84	|	|	CD
12787	3385	85	8.1731	8.1731	CD
12787	3385	86	|	|	CD
12787	3385	87	6.9187	6.9187	CD
12787	3385	88	|	|	CD
12787	3385	89	------	------	CD
12787	3385	90	|	|	HYPH
12787	3385	91	------	------	NFP
12787	3385	92	Weight	weight	NN
12787	3385	93	sample	sample	NN
12787	3385	94	|	|	NNP
12787	3385	95	1.0062	1.0062	CD
12787	3385	96	|	|	CD
12787	3385	97	1.2544	1.2544	CD
12787	3385	98	|	|	CD
12787	3385	99	|	|	NNP
12787	3385	100	Final	Final	NNP
12787	3385	101	Reading	Reading	NNP
12787	3385	102	HCl	HCl	NNPS
12787	3385	103	|	|	POS
12787	3385	104	39.97	39.97	CD
12787	3385	105	39.83	39.83	CD
12787	3385	106	|	|	CD
12787	3385	107	49.90	49.90	CD
12787	3385	108	49.77	49.77	CD
12787	3385	109	Initial	Initial	NNP
12787	3385	110	Reading	Reading	NNP
12787	3385	111	HCl	HCl	NNPS
12787	3385	112	|	|	CD
12787	3385	113	.00	.00	CD
12787	3385	114	.00	.00	CD
12787	3385	115	|	|	CD
12787	3385	116	.04	.04	CD
12787	3385	117	.04	.04	CD
12787	3385	118	|	|	CD
12787	3385	119	-----	-----	CD
12787	3385	120	-----	-----	NFP
12787	3385	121	|	|	HYPH
12787	3385	122	-----	-----	NFP
12787	3385	123	-----	-----	NFP
12787	3385	124	|	|	CD
12787	3385	125	39.83	39.83	CD
12787	3385	126	|	|	CD
12787	3385	127	49.73	49.73	CD
12787	3385	128	|	|	CD
12787	3385	129	|	|	NNP
12787	3385	130	Final	Final	NNP
12787	3385	131	Reading	Reading	NNP
12787	3385	132	NaOH	NaOH	NNP
12787	3385	133	|	|	NNP
12787	3385	134	.26	.26	NFP
12787	3385	135	.26	.26	NFP
12787	3385	136	|	|	CD
12787	3385	137	.67	.67	CD
12787	3385	138	.67	.67	.
12787	3385	139	Initial	Initial	NNP
12787	3385	140	Reading	Reading	NNP
12787	3385	141	NaOH	NaOH	NNP
12787	3385	142	|	|	NNP
12787	3385	143	.12	.12	CD
12787	3385	144	.12	.12	CD
12787	3385	145	|	|	CD
12787	3385	146	.36	.36	CD
12787	3385	147	.36	.36	CD
12787	3385	148	|	|	NNP
12787	3385	149	---	---	:
12787	3385	150	---	---	:
12787	3385	151	|	|	CD
12787	3385	152	---	---	:
12787	3385	153	---	---	:
12787	3385	154	|	|	CD
12787	3385	155	.14	.14	CD
12787	3385	156	|	|	CD
12787	3385	157	.31	.31	CD
12787	3385	158	|	|	CD
12787	3385	159	|	|	CD
12787	3385	160	|	|	CD
12787	3385	161	.14	.14	CD
12787	3385	162	|	|	CD
12787	3385	163	.31	.31	CD
12787	3385	164	Corrected	correct	VBN
12787	3385	165	cc	cc	NNP
12787	3385	166	.	.	.
12787	3386	1	HCl	HCl	NNS
12787	3386	2	|	|	CD
12787	3386	3	39.83	39.83	CD
12787	3386	4	-	-	HYPH
12787	3386	5	-----	-----	NN
12787	3386	6	=	=	SYM
12787	3386	7	39.68	39.68	CD
12787	3386	8	|	|	CD
12787	3386	9	49.73	49.73	CD
12787	3386	10	-	-	HYPH
12787	3386	11	-----	-----	NN
12787	3386	12	=	=	NNS
12787	3386	13	49.40	49.40	CD
12787	3386	14	|	|	CD
12787	3386	15	.9286	.9286	.
12787	3386	16	|	|	NNP
12787	3386	17	.9286	.9286	CC
12787	3386	18	|	|	CD
12787	3386	19	|	|	CD
12787	3386	20	log	log	NN
12787	3386	21	sample	sample	NN
12787	3386	22	|	|	NNP
12787	3386	23	0.0025	0.0025	CD
12787	3386	24	|	|	CD
12787	3386	25	0.0983	0.0983	CD
12787	3386	26	colog	colog	NN
12787	3386	27	cc	cc	NNP
12787	3386	28	|	|	NNP
12787	3386	29	8.4014	8.4014	CD
12787	3386	30	-	-	SYM
12787	3386	31	10	10	CD
12787	3386	32	|	|	CD
12787	3386	33	8.3063	8.3063	CD
12787	3386	34	-	-	SYM
12787	3386	35	10	10	CD
12787	3386	36	colog	colog	NN
12787	3386	37	milli	milli	NN
12787	3386	38	equivalent|	equivalent|	CD
12787	3386	39	1.2757	1.2757	CD
12787	3386	40	|	|	CD
12787	3386	41	1.2757	1.2757	CD
12787	3386	42	|	|	CD
12787	3386	43	------	------	CD
12787	3386	44	|	|	NNP
12787	3386	45	------	------	CD
12787	3386	46	|	|	CD
12787	3386	47	9.6796	9.6796	CD
12787	3386	48	-	-	HYPH
12787	3386	49	10	10	CD
12787	3386	50	|	|	CD
12787	3386	51	9.6803	9.6803	CD
12787	3386	52	-	-	HYPH
12787	3386	53	10	10	CD
12787	3386	54	|	|	CD
12787	3386	55	|	|	CD
12787	3386	56	Normal	normal	JJ
12787	3386	57	value	value	NN
12787	3386	58	HCl	HCl	NNS
12787	3386	59	|	|	NNP
12787	3386	60	.4782	.4782	NN
12787	3386	61	|	|	CD
12787	3386	62	.4789	.4789	.
12787	3386	63	Mean	Mean	NNP
12787	3386	64	|	|	NNP
12787	3386	65	.4786	.4786	NNP
12787	3386	66	|	|	NNP
12787	3386	67	|	|	CD
12787	3386	68	|	|	NNS
12787	3386	69	=	=	SYM
12787	3386	70	=	=	SYM
12787	3386	71	=	=	SYM
12787	3386	72	=	=	SYM
12787	3386	73	=	=	SYM
12787	3386	74	=	=	SYM
12787	3386	75	=	=	SYM
12787	3386	76	=	=	SYM
12787	3386	77	=	=	SYM
12787	3386	78	=	=	SYM
12787	3386	79	=	=	SYM
12787	3386	80	=	=	SYM
12787	3386	81	=	=	SYM
12787	3386	82	=	=	SYM
12787	3386	83	=	=	SYM
12787	3386	84	=	=	SYM
12787	3386	85	=	=	SYM
12787	3386	86	=	=	SYM
12787	3386	87	=	=	SYM
12787	3386	88	=	=	SYM
12787	3386	89	=	=	SYM
12787	3386	90	=	=	SYM
12787	3386	91	=	=	SYM
12787	3386	92	=	=	SYM
12787	3386	93	=	=	SYM
12787	3386	94	=	=	SYM
12787	3386	95	=	=	SYM
12787	3386	96	=	=	SYM
12787	3386	97	=	=	SYM
12787	3386	98	=	=	SYM
12787	3386	99	=	=	SYM
12787	3386	100	=	=	SYM
12787	3386	101	=	=	SYM
12787	3386	102	=	=	SYM
12787	3386	103	=	=	SYM
12787	3386	104	=	=	SYM
12787	3386	105	=	=	SYM
12787	3386	106	=	=	SYM
12787	3386	107	=	=	SYM
12787	3386	108	=	=	SYM
12787	3386	109	=	=	SYM
12787	3386	110	=	=	SYM
12787	3386	111	=	=	SYM
12787	3386	112	=	=	SYM
12787	3386	113	=	=	SYM
12787	3386	114	=	=	SYM
12787	3386	115	=	=	SYM
12787	3386	116	=	=	SYM
12787	3386	117	=	=	SYM
12787	3386	118	=	=	SYM
12787	3386	119	=	=	SYM
12787	3386	120	=	=	SYM
12787	3386	121	=	=	SYM
12787	3386	122	=	=	SYM
12787	3386	123	=	=	SYM
12787	3386	124	=	=	SYM
12787	3386	125	=	=	SYM
12787	3386	126	=	=	SYM
12787	3386	127	=	=	SYM
12787	3386	128	=	=	SYM
12787	3386	129	=	=	SYM
12787	3386	130	=	=	SYM
12787	3386	131	=	=	SYM
12787	3386	132	=	=	SYM
12787	3386	133	=	=	SYM
12787	3386	134	=	=	SYM
12787	3386	135	=	=	NFP
12787	3386	136	=	=	NFP
12787	3386	137	=	=	SYM
12787	3386	138	Signed	sign	VBN
12787	3386	139	!	!	.
12787	3386	140	Page	page	NN
12787	3386	141	D	d	NN
12787	3386	142	!	!	.
12787	3387	1	Date	date	NN
12787	3387	2	DETERMINATION	DETERMINATION	NNP
12787	3387	3	OF	of	IN
12787	3387	4	CHLORINE	CHLORINE	NNP
12787	3387	5	IN	in	IN
12787	3387	6	CHLORIDE	CHLORIDE	NNP
12787	3387	7	,	,	,
12787	3387	8	SAMPLE	SAMPLE	NNP
12787	3387	9	No	no	UH
12787	3387	10	.	.	.
12787	3388	1	=	=	NFP
12787	3388	2	=	=	NFP
12787	3388	3	=	=	SYM
12787	3388	4	=	=	SYM
12787	3388	5	=	=	SYM
12787	3388	6	=	=	SYM
12787	3388	7	=	=	SYM
12787	3388	8	=	=	SYM
12787	3388	9	=	=	SYM
12787	3388	10	=	=	SYM
12787	3388	11	=	=	SYM
12787	3388	12	=	=	SYM
12787	3388	13	=	=	SYM
12787	3388	14	=	=	SYM
12787	3388	15	=	=	SYM
12787	3388	16	=	=	SYM
12787	3388	17	=	=	SYM
12787	3388	18	=	=	SYM
12787	3388	19	=	=	SYM
12787	3388	20	=	=	SYM
12787	3388	21	=	=	SYM
12787	3388	22	=	=	SYM
12787	3388	23	=	=	SYM
12787	3388	24	=	=	SYM
12787	3388	25	=	=	SYM
12787	3388	26	=	=	SYM
12787	3388	27	=	=	SYM
12787	3388	28	=	=	SYM
12787	3388	29	=	=	SYM
12787	3388	30	=	=	SYM
12787	3388	31	=	=	SYM
12787	3388	32	=	=	SYM
12787	3388	33	=	=	SYM
12787	3388	34	=	=	SYM
12787	3388	35	=	=	SYM
12787	3388	36	=	=	SYM
12787	3388	37	=	=	SYM
12787	3388	38	=	=	SYM
12787	3388	39	=	=	SYM
12787	3388	40	=	=	SYM
12787	3388	41	=	=	SYM
12787	3388	42	=	=	SYM
12787	3388	43	=	=	SYM
12787	3388	44	=	=	SYM
12787	3388	45	=	=	SYM
12787	3388	46	=	=	SYM
12787	3388	47	=	=	SYM
12787	3388	48	=	=	SYM
12787	3388	49	=	=	SYM
12787	3388	50	=	=	SYM
12787	3388	51	=	=	SYM
12787	3388	52	=	=	SYM
12787	3388	53	=	=	SYM
12787	3388	54	=	=	SYM
12787	3388	55	=	=	SYM
12787	3388	56	=	=	SYM
12787	3388	57	=	=	SYM
12787	3388	58	=	=	SYM
12787	3388	59	=	=	SYM
12787	3388	60	=	=	SYM
12787	3388	61	=	=	SYM
12787	3388	62	=	=	SYM
12787	3388	63	=	=	SYM
12787	3388	64	=	=	SYM
12787	3388	65	=	=	SYM
12787	3388	66	=	=	SYM
12787	3388	67	=	=	SYM
12787	3388	68	=	=	NNS
12787	3388	69	=	=	SYM
12787	3388	70	|	|	NNP
12787	3388	71	|	|	NNP
12787	3388	72	Weight	Weight	NNP
12787	3388	73	sample	sample	NN
12787	3388	74	and	and	CC
12787	3388	75	tube|	tube|	$
12787	3388	76	16.1721	16.1721	CD
12787	3388	77	|	|	CD
12787	3388	78	15.9976	15.9976	CD
12787	3388	79	|	|	CD
12787	3388	80	15.9976	15.9976	CD
12787	3388	81	|	|	CD
12787	3388	82	15.7117	15.7117	CD
12787	3388	83	|	|	NNP
12787	3388	84	-------	-------	CD
12787	3388	85	|	|	NNP
12787	3388	86	-------	-------	NFP
12787	3388	87	Weight	Weight	NNP
12787	3388	88	sample	sample	NN
12787	3388	89	|	|	NNP
12787	3388	90	.1745	.1745	.
12787	3388	91	|	|	NNP
12787	3388	92	.2859	.2859	NNP
12787	3388	93	|	|	CD
12787	3388	94	|	|	NNP
12787	3388	95	Weight	Weight	NNP
12787	3388	96	crucible	crucible	JJ
12787	3388	97	|	|	CD
12787	3388	98	|	|	CD
12787	3388	99	+	+	CC
12787	3388	100	precipitate	precipitate	VB
12787	3388	101	|	|	NNP
12787	3388	102	14.4496	14.4496	CD
12787	3388	103	|	|	CD
12787	3388	104	15.6915	15.6915	CD
12787	3388	105	Constant	constant	JJ
12787	3388	106	weights	weight	NNS
12787	3388	107	|	|	CD
12787	3388	108	14.4487	14.4487	CD
12787	3388	109	|	|	CD
12787	3388	110	15.6915	15.6915	CD
12787	3388	111	|	|	CD
12787	3388	112	14.4485	14.4485	CD
12787	3388	113	|	|	CD
12787	3388	114	|	|	CD
12787	3388	115	|	|	NNS
12787	3388	116	Weight	Weight	NNP
12787	3388	117	crucible	crucible	JJ
12787	3388	118	|	|	CD
12787	3388	119	14.2216	14.2216	CD
12787	3388	120	|	|	CD
12787	3388	121	15.3196	15.3196	CD
12787	3388	122	Constant	constant	JJ
12787	3388	123	weight	weight	NN
12787	3388	124	|	|	CD
12787	3388	125	14.2216	14.2216	CD
12787	3388	126	|	|	CD
12787	3388	127	15.3194	15.3194	CD
12787	3388	128	|	|	CD
12787	3388	129	|	|	NNP
12787	3388	130	Weight	Weight	NNP
12787	3388	131	AgCl	AgCl	NNP
12787	3388	132	|	|	NNP
12787	3388	133	.2269	.2269	.
12787	3388	134	|	|	JJ
12787	3388	135	.3721	.3721	.
12787	3388	136	|	|	CD
12787	3388	137	|	|	NNP
12787	3388	138	log	log	NN
12787	3388	139	Cl	Cl	NNP
12787	3388	140	|	|	NNP
12787	3388	141	1.5496	1.5496	CD
12787	3388	142	|	|	CD
12787	3388	143	1.5496	1.5496	CD
12787	3388	144	log	log	NN
12787	3388	145	weight	weight	NN
12787	3388	146	AgCl	AgCl	NNP
12787	3388	147	|	|	CD
12787	3388	148	9.3558	9.3558	CD
12787	3388	149	-	-	HYPH
12787	3388	150	10	10	CD
12787	3388	151	|	|	CD
12787	3388	152	9.5706	9.5706	CD
12787	3388	153	-	-	HYPH
12787	3388	154	10	10	CD
12787	3388	155	log	log	NN
12787	3388	156	100	100	CD
12787	3388	157	|	|	CD
12787	3388	158	2.0000	2.0000	CD
12787	3388	159	|	|	CD
12787	3388	160	2.0000	2.0000	CD
12787	3388	161	colog	colog	NN
12787	3388	162	AgCl	AgCl	NNP
12787	3388	163	|	|	CD
12787	3388	164	7.8438	7.8438	CD
12787	3388	165	-	-	HYPH
12787	3388	166	10	10	CD
12787	3388	167	|	|	CD
12787	3388	168	7.7438	7.7438	CD
12787	3388	169	-	-	SYM
12787	3388	170	10	10	CD
12787	3388	171	colog	colog	NN
12787	3388	172	sample	sample	NN
12787	3388	173	|	|	NNP
12787	3388	174	0.7583	0.7583	CD
12787	3388	175	|	|	CD
12787	3388	176	0.5438	0.5438	CD
12787	3388	177	|	|	NNP
12787	3388	178	-------	-------	CD
12787	3388	179	|	|	NNP
12787	3388	180	-------	-------	CD
12787	3388	181	|	|	NNP
12787	3388	182	1.5075	1.5075	CD
12787	3388	183	|	|	CD
12787	3388	184	1.5078	1.5078	CD
12787	3388	185	|	|	CD
12787	3388	186	|	|	NNS
12787	3388	187	Cl	Cl	NNPS
12787	3388	188	in	in	IN
12787	3388	189	sample	sample	NN
12787	3388	190	No	no	UH
12787	3388	191	.	.	.
12787	3389	1	|	|	CD
12787	3389	2	32.18	32.18	CD
12787	3389	3	%	%	NN
12787	3389	4	|	|	CD
12787	3389	5	32.20	32.20	CD
12787	3389	6	%	%	NN
12787	3389	7	|	|	CD
12787	3389	8	|	|	NNS
12787	3389	9	=	=	SYM
12787	3389	10	=	=	SYM
12787	3389	11	=	=	SYM
12787	3389	12	=	=	SYM
12787	3389	13	=	=	SYM
12787	3389	14	=	=	SYM
12787	3389	15	=	=	SYM
12787	3389	16	=	=	SYM
12787	3389	17	=	=	SYM
12787	3389	18	=	=	SYM
12787	3389	19	=	=	SYM
12787	3389	20	=	=	SYM
12787	3389	21	=	=	SYM
12787	3389	22	=	=	SYM
12787	3389	23	=	=	SYM
12787	3389	24	=	=	SYM
12787	3389	25	=	=	SYM
12787	3389	26	=	=	SYM
12787	3389	27	=	=	SYM
12787	3389	28	=	=	SYM
12787	3389	29	=	=	SYM
12787	3389	30	=	=	SYM
12787	3389	31	=	=	SYM
12787	3389	32	=	=	SYM
12787	3389	33	=	=	SYM
12787	3389	34	=	=	SYM
12787	3389	35	=	=	SYM
12787	3389	36	=	=	SYM
12787	3389	37	=	=	SYM
12787	3389	38	=	=	SYM
12787	3389	39	=	=	SYM
12787	3389	40	=	=	SYM
12787	3389	41	=	=	SYM
12787	3389	42	=	=	SYM
12787	3389	43	=	=	SYM
12787	3389	44	=	=	SYM
12787	3389	45	=	=	SYM
12787	3389	46	=	=	SYM
12787	3389	47	=	=	SYM
12787	3389	48	=	=	SYM
12787	3389	49	=	=	SYM
12787	3389	50	=	=	SYM
12787	3389	51	=	=	SYM
12787	3389	52	=	=	SYM
12787	3389	53	=	=	SYM
12787	3389	54	=	=	SYM
12787	3389	55	=	=	SYM
12787	3389	56	=	=	SYM
12787	3389	57	=	=	SYM
12787	3389	58	=	=	SYM
12787	3389	59	=	=	SYM
12787	3389	60	=	=	SYM
12787	3389	61	=	=	SYM
12787	3389	62	=	=	SYM
12787	3389	63	=	=	SYM
12787	3389	64	=	=	SYM
12787	3389	65	=	=	SYM
12787	3389	66	=	=	SYM
12787	3389	67	=	=	SYM
12787	3389	68	=	=	SYM
12787	3389	69	=	=	SYM
12787	3389	70	=	=	SYM
12787	3389	71	=	=	SYM
12787	3389	72	=	=	SYM
12787	3389	73	=	=	SYM
12787	3389	74	=	=	SYM
12787	3389	75	=	=	NFP
12787	3389	76	=	=	NFP
12787	3389	77	=	=	SYM
12787	3389	78	Signed	sign	VBN
12787	3389	79	STRENGTH	STRENGTH	NNP
12787	3389	80	OF	of	IN
12787	3389	81	REAGENTS	reagents	NN
12787	3389	82	The	the	DT
12787	3389	83	concentrations	concentration	NNS
12787	3389	84	given	give	VBN
12787	3389	85	in	in	IN
12787	3389	86	this	this	DT
12787	3389	87	table	table	NN
12787	3389	88	are	be	VBP
12787	3389	89	those	those	DT
12787	3389	90	suggested	suggest	VBN
12787	3389	91	for	for	IN
12787	3389	92	use	use	NN
12787	3389	93	in	in	IN
12787	3389	94	the	the	DT
12787	3389	95	procedures	procedure	NNS
12787	3389	96	described	describe	VBN
12787	3389	97	in	in	IN
12787	3389	98	the	the	DT
12787	3389	99	foregoing	forego	VBG
12787	3389	100	pages	page	NNS
12787	3389	101	.	.	.
12787	3390	1	It	-PRON-	PRP
12787	3390	2	is	be	VBZ
12787	3390	3	obvious	obvious	JJ
12787	3390	4	,	,	,
12787	3390	5	however	however	RB
12787	3390	6	,	,	,
12787	3390	7	that	that	IN
12787	3390	8	an	an	DT
12787	3390	9	exact	exact	JJ
12787	3390	10	adherence	adherence	NN
12787	3390	11	to	to	IN
12787	3390	12	these	these	DT
12787	3390	13	quantities	quantity	NNS
12787	3390	14	is	be	VBZ
12787	3390	15	not	not	RB
12787	3390	16	essential	essential	JJ
12787	3390	17	.	.	.
12787	3391	1	Approx	approx	NN
12787	3391	2	.	.	.
12787	3392	1	Approx	approx	NN
12787	3392	2	.	.	.
12787	3393	1	Grams	gram	NNS
12787	3393	2	relation	relation	VBP
12787	3393	3	relation	relation	NN
12787	3393	4	per	per	IN
12787	3393	5	to	to	IN
12787	3393	6	normal	normal	JJ
12787	3393	7	to	to	IN
12787	3393	8	molal	molal	JJ
12787	3393	9	liter	liter	NN
12787	3393	10	.	.	.
12787	3394	1	solution	solution	NN
12787	3394	2	solution	solution	NN
12787	3394	3	Ammonium	Ammonium	NNP
12787	3394	4	oxalate	oxalate	NN
12787	3394	5	,	,	,
12787	3394	6	(	(	-LRB-
12787	3394	7	NH_{4})_{2}C_{2}O_{4}.H_{2}O	NH_{4})_{2}C_{2}O_{4}.H_{2}O	``
12787	3394	8	40	40	CD
12787	3394	9	0.5N	0.5n	NN
12787	3394	10	0.25	0.25	CD
12787	3394	11	Barium	barium	NN
12787	3394	12	chloride	chloride	NN
12787	3394	13	,	,	,
12787	3394	14	BaCl_{2}.2H_{2}O	BaCl_{2}.2H_{2}O	NNP
12787	3394	15	25	25	CD
12787	3394	16	0.2N	0.2n	NN
12787	3394	17	0.1	0.1	CD
12787	3394	18	Magnesium	Magnesium	NNP
12787	3394	19	ammonium	ammonium	NN
12787	3394	20	chloride	chloride	NN
12787	3394	21	(	(	-LRB-
12787	3394	22	of	of	IN
12787	3394	23	MgCl_{2	MgCl_{2	NNP
12787	3394	24	}	}	-RRB-
12787	3394	25	)	)	-RRB-
12787	3394	26	71	71	CD
12787	3394	27	1.5N	1.5n	NN
12787	3394	28	0.75	0.75	CD
12787	3394	29	Mercuric	mercuric	NN
12787	3394	30	chloride	chloride	NN
12787	3394	31	,	,	,
12787	3394	32	HgCl_{2	HgCl_{2	NNP
12787	3394	33	}	}	-RRB-
12787	3394	34	45	45	CD
12787	3394	35	0.33N	0.33n	CD
12787	3394	36	0.66	0.66	CD
12787	3394	37	Potassium	Potassium	NNP
12787	3394	38	hydroxide	hydroxide	NN
12787	3394	39	,	,	,
12787	3394	40	KOH	KOH	NNP
12787	3394	41	(	(	-LRB-
12787	3394	42	sp	sp	NNP
12787	3394	43	.	.	.
12787	3395	1	gr	gr	NNP
12787	3395	2	.	.	.
12787	3396	1	1.27	1.27	CD
12787	3396	2	)	)	-RRB-
12787	3396	3	480	480	CD
12787	3396	4	Potassium	potassium	NN
12787	3396	5	thiocyanate	thiocyanate	NN
12787	3396	6	,	,	,
12787	3396	7	KSCN	KSCN	NNP
12787	3396	8	5	5	CD
12787	3396	9	0.05N	0.05n	CD
12787	3396	10	0.55	0.55	CD
12787	3396	11	Silver	silver	NN
12787	3396	12	nitrate	nitrate	JJ
12787	3396	13	,	,	,
12787	3396	14	AgNO_{3	agno_{3	JJ
12787	3396	15	}	}	-RRB-
12787	3396	16	21	21	CD
12787	3396	17	0.125N	0.125n	CD
12787	3396	18	0.125	0.125	CD
12787	3396	19	Sodium	Sodium	NNP
12787	3396	20	hydroxide	hydroxide	NN
12787	3396	21	,	,	,
12787	3396	22	NaOH	NaOH	NNP
12787	3396	23	100	100	CD
12787	3396	24	2.5N	2.5n	NN
12787	3396	25	2.5	2.5	CD
12787	3396	26	Sodium	Sodium	NNP
12787	3396	27	carbonate	carbonate	NN
12787	3396	28	.	.	.
12787	3397	1	Na_{2}CO_{3	Na_{2}CO_{3	NNP
12787	3397	2	}	}	-RRB-
12787	3397	3	159	159	CD
12787	3397	4	3N	3n	CD
12787	3397	5	1.5	1.5	CD
12787	3397	6	Sodium	Sodium	NNP
12787	3397	7	phosphate	phosphate	NN
12787	3397	8	,	,	,
12787	3397	9	Na_{2}HPO_{4}.12H_{2}O	na_{2}hpo_{4}.12h_{2}o	UH
12787	3397	10	90	90	CD
12787	3397	11	0.5N	0.5n	NN
12787	3397	12	or	or	CC
12787	3397	13	0.75N	0.75n	CD
12787	3397	14	0.25	0.25	CD
12787	3397	15	Stannous	stannous	JJ
12787	3397	16	chloride	chloride	NN
12787	3397	17	,	,	,
12787	3397	18	SnCl_{2	SnCl_{2	NNP
12787	3397	19	}	}	-RRB-
12787	3397	20	,	,	,
12787	3397	21	made	make	VBN
12787	3397	22	by	by	IN
12787	3397	23	saturating	saturate	VBG
12787	3397	24	hydrochloric	hydrochloric	JJ
12787	3397	25	acid	acid	NN
12787	3397	26	(	(	-LRB-
12787	3397	27	sp	sp	NNP
12787	3397	28	.	.	.
12787	3398	1	gr	gr	NNP
12787	3398	2	.	.	.
12787	3399	1	1.2	1.2	LS
12787	3399	2	)	)	-RRB-
12787	3399	3	with	with	IN
12787	3399	4	tin	tin	NN
12787	3399	5	,	,	,
12787	3399	6	diluting	dilute	VBG
12787	3399	7	with	with	IN
12787	3399	8	an	an	DT
12787	3399	9	equal	equal	JJ
12787	3399	10	volume	volume	NN
12787	3399	11	of	of	IN
12787	3399	12	water	water	NN
12787	3399	13	,	,	,
12787	3399	14	and	and	CC
12787	3399	15	adding	add	VBG
12787	3399	16	a	a	DT
12787	3399	17	slight	slight	JJ
12787	3399	18	excess	excess	NN
12787	3399	19	of	of	IN
12787	3399	20	acid	acid	NN
12787	3399	21	from	from	IN
12787	3399	22	time	time	NN
12787	3399	23	to	to	IN
12787	3399	24	time	time	NN
12787	3399	25	.	.	.
12787	3400	1	A	a	DT
12787	3400	2	strip	strip	NN
12787	3400	3	of	of	IN
12787	3400	4	metallic	metallic	JJ
12787	3400	5	tin	tin	NN
12787	3400	6	is	be	VBZ
12787	3400	7	kept	keep	VBN
12787	3400	8	in	in	IN
12787	3400	9	the	the	DT
12787	3400	10	bottle	bottle	NN
12787	3400	11	.	.	.
12787	3401	1	A	a	DT
12787	3401	2	solution	solution	NN
12787	3401	3	of	of	IN
12787	3401	4	ammonium	ammonium	NN
12787	3401	5	molybdate	molybdate	NN
12787	3401	6	is	be	VBZ
12787	3401	7	best	well	RBS
12787	3401	8	prepared	prepare	VBN
12787	3401	9	as	as	IN
12787	3401	10	follows	follow	VBZ
12787	3401	11	:	:	:
12787	3401	12	Stir	stir	VB
12787	3401	13	100	100	CD
12787	3401	14	grams	gram	NNS
12787	3401	15	of	of	IN
12787	3401	16	molybdic	molybdic	JJ
12787	3401	17	acid	acid	NN
12787	3401	18	(	(	-LRB-
12787	3401	19	MoO_{3	MoO_{3	NNP
12787	3401	20	}	}	-RRB-
12787	3401	21	)	)	-RRB-
12787	3401	22	into	into	IN
12787	3401	23	400	400	CD
12787	3401	24	cc	cc	NN
12787	3401	25	.	.	.
12787	3402	1	of	of	IN
12787	3402	2	cold	cold	JJ
12787	3402	3	,	,	,
12787	3402	4	distilled	distilled	JJ
12787	3402	5	water	water	NN
12787	3402	6	.	.	.
12787	3403	1	Add	add	VB
12787	3403	2	80	80	CD
12787	3403	3	cc	cc	NN
12787	3403	4	.	.	.
12787	3404	1	of	of	IN
12787	3404	2	concentrated	concentrated	NNP
12787	3404	3	ammonium	ammonium	NN
12787	3404	4	hydroxide	hydroxide	NN
12787	3404	5	(	(	-LRB-
12787	3404	6	sp	sp	NNP
12787	3404	7	.	.	.
12787	3405	1	gr	gr	NNP
12787	3405	2	.	.	.
12787	3406	1	0.90	0.90	LS
12787	3406	2	)	)	-RRB-
12787	3406	3	.	.	.
12787	3407	1	Filter	Filter	NNP
12787	3407	2	,	,	,
12787	3407	3	and	and	CC
12787	3407	4	pour	pour	VB
12787	3407	5	the	the	DT
12787	3407	6	filtrate	filtrate	NN
12787	3407	7	slowly	slowly	RB
12787	3407	8	,	,	,
12787	3407	9	with	with	IN
12787	3407	10	constant	constant	JJ
12787	3407	11	stirring	stirring	NN
12787	3407	12	,	,	,
12787	3407	13	into	into	IN
12787	3407	14	a	a	DT
12787	3407	15	mixture	mixture	NN
12787	3407	16	of	of	IN
12787	3407	17	400	400	CD
12787	3407	18	cc	cc	NN
12787	3407	19	.	.	.
12787	3408	1	concentrated	concentrated	JJ
12787	3408	2	nitric	nitric	NNP
12787	3408	3	acid	acid	NNP
12787	3408	4	(	(	-LRB-
12787	3408	5	sp	sp	NNP
12787	3408	6	.	.	.
12787	3409	1	gr	gr	NNP
12787	3409	2	.	.	.
12787	3410	1	1.42	1.42	CD
12787	3410	2	)	)	-RRB-
12787	3410	3	and	and	CC
12787	3410	4	600	600	CD
12787	3410	5	cc	cc	NN
12787	3410	6	.	.	.
12787	3411	1	of	of	IN
12787	3411	2	water	water	NN
12787	3411	3	.	.	.
12787	3412	1	Add	add	VB
12787	3412	2	to	to	IN
12787	3412	3	the	the	DT
12787	3412	4	mixture	mixture	NN
12787	3412	5	about	about	RB
12787	3412	6	0.05	0.05	CD
12787	3412	7	gram	gram	NN
12787	3412	8	of	of	IN
12787	3412	9	microcosmic	microcosmic	JJ
12787	3412	10	salt	salt	NN
12787	3412	11	.	.	.
12787	3413	1	Filter	Filter	NNP
12787	3413	2	,	,	,
12787	3413	3	after	after	IN
12787	3413	4	allowing	allow	VBG
12787	3413	5	the	the	DT
12787	3413	6	whole	whole	NN
12787	3413	7	to	to	TO
12787	3413	8	stand	stand	VB
12787	3413	9	for	for	IN
12787	3413	10	24	24	CD
12787	3413	11	hours	hour	NNS
12787	3413	12	.	.	.
12787	3414	1	The	the	DT
12787	3414	2	following	follow	VBG
12787	3414	3	data	datum	NNS
12787	3414	4	regarding	regard	VBG
12787	3414	5	the	the	DT
12787	3414	6	common	common	JJ
12787	3414	7	acids	acid	NNS
12787	3414	8	and	and	CC
12787	3414	9	aqueous	aqueous	JJ
12787	3414	10	ammonia	ammonia	NN
12787	3414	11	are	be	VBP
12787	3414	12	based	base	VBN
12787	3414	13	upon	upon	IN
12787	3414	14	percentages	percentage	NNS
12787	3414	15	given	give	VBN
12787	3414	16	in	in	IN
12787	3414	17	the	the	DT
12787	3414	18	Standard	Standard	NNP
12787	3414	19	Tables	Tables	NNPS
12787	3414	20	of	of	IN
12787	3414	21	the	the	DT
12787	3414	22	Manufacturing	Manufacturing	NNP
12787	3414	23	Chemists	Chemists	NNPS
12787	3414	24	'	'	POS
12787	3414	25	Association	Association	NNP
12787	3414	26	of	of	IN
12787	3414	27	the	the	DT
12787	3414	28	United	United	NNP
12787	3414	29	States	States	NNP
12787	3414	30	[	[	-LRB-
12787	3414	31	!	!	.
12787	3414	32	J.S.C.I.	J.S.C.I.	NNP
12787	3415	1	!	!	.
12787	3415	2	,	,	,
12787	3415	3	24	24	CD
12787	3415	4	(	(	-LRB-
12787	3415	5	1905	1905	CD
12787	3415	6	)	)	-RRB-
12787	3415	7	,	,	,
12787	3415	8	787	787	CD
12787	3415	9	-	-	SYM
12787	3415	10	790	790	CD
12787	3415	11	]	]	-RRB-
12787	3415	12	.	.	.
12787	3416	1	All	all	DT
12787	3416	2	gravities	gravity	NNS
12787	3416	3	are	be	VBP
12787	3416	4	taken	take	VBN
12787	3416	5	at	at	IN
12787	3416	6	15.5Â	15.5â	CD
12787	3416	7	°	°	NNP
12787	3416	8	C	C	NNP
12787	3416	9	.	.	.
12787	3417	1	and	and	CC
12787	3417	2	compared	compare	VBN
12787	3417	3	with	with	IN
12787	3417	4	water	water	NN
12787	3417	5	at	at	IN
12787	3417	6	the	the	DT
12787	3417	7	same	same	JJ
12787	3417	8	temperature	temperature	NN
12787	3417	9	.	.	.
12787	3418	1	Aqueous	aqueous	JJ
12787	3418	2	ammonia	ammonia	NN
12787	3418	3	(	(	-LRB-
12787	3418	4	sp	sp	NNP
12787	3418	5	.	.	.
12787	3419	1	gr	gr	NNP
12787	3419	2	.	.	.
12787	3420	1	0.96	0.96	LS
12787	3420	2	)	)	-RRB-
12787	3420	3	contains	contain	VBZ
12787	3420	4	9.91	9.91	CD
12787	3420	5	per	per	IN
12787	3420	6	cent	cent	NN
12787	3420	7	NH_{3	nh_{3	NN
12787	3420	8	}	}	-RRB-
12787	3420	9	by	by	IN
12787	3420	10	weight	weight	NN
12787	3420	11	,	,	,
12787	3420	12	and	and	CC
12787	3420	13	corresponds	correspond	VBZ
12787	3420	14	to	to	IN
12787	3420	15	a	a	DT
12787	3420	16	5.6	5.6	CD
12787	3420	17	N	n	CD
12787	3420	18	and	and	CC
12787	3420	19	5.6	5.6	CD
12787	3420	20	molal	molal	JJ
12787	3420	21	solution	solution	NN
12787	3420	22	.	.	.
12787	3421	1	Aqueous	aqueous	JJ
12787	3421	2	ammonia	ammonia	NN
12787	3421	3	(	(	-LRB-
12787	3421	4	sp	sp	NNP
12787	3421	5	.	.	.
12787	3422	1	gr	gr	NNP
12787	3422	2	.	.	.
12787	3423	1	0.90	0.90	LS
12787	3423	2	)	)	-RRB-
12787	3423	3	contains	contain	VBZ
12787	3423	4	28.52	28.52	CD
12787	3423	5	per	per	IN
12787	3423	6	cent	cent	NN
12787	3423	7	NH_{3	nh_{3	NN
12787	3423	8	}	}	-RRB-
12787	3423	9	by	by	IN
12787	3423	10	weight	weight	NN
12787	3423	11	,	,	,
12787	3423	12	and	and	CC
12787	3423	13	corresponds	correspond	VBZ
12787	3423	14	to	to	IN
12787	3423	15	a	a	DT
12787	3423	16	5.6	5.6	CD
12787	3423	17	N	n	CD
12787	3423	18	and	and	CC
12787	3423	19	5.6	5.6	CD
12787	3423	20	molal	molal	JJ
12787	3423	21	solution	solution	NN
12787	3423	22	.	.	.
12787	3424	1	Hydrochloric	hydrochloric	JJ
12787	3424	2	acid	acid	NN
12787	3424	3	(	(	-LRB-
12787	3424	4	sp	sp	NNP
12787	3424	5	.	.	.
12787	3425	1	gr	gr	NNP
12787	3425	2	.	.	.
12787	3426	1	1.12	1.12	CD
12787	3426	2	)	)	-RRB-
12787	3426	3	contains	contain	VBZ
12787	3426	4	23.81	23.81	CD
12787	3426	5	per	per	IN
12787	3426	6	cent	cent	NN
12787	3426	7	HCl	HCl	NNS
12787	3426	8	by	by	IN
12787	3426	9	weight	weight	NN
12787	3426	10	,	,	,
12787	3426	11	and	and	CC
12787	3426	12	corresponds	correspond	VBZ
12787	3426	13	to	to	IN
12787	3426	14	a	a	DT
12787	3426	15	7.3	7.3	CD
12787	3426	16	N	n	CD
12787	3426	17	and	and	CC
12787	3426	18	7.3	7.3	CD
12787	3426	19	molal	molal	JJ
12787	3426	20	solution	solution	NN
12787	3426	21	.	.	.
12787	3427	1	Hydrochloric	hydrochloric	JJ
12787	3427	2	acid	acid	NN
12787	3427	3	(	(	-LRB-
12787	3427	4	sp	sp	NNP
12787	3427	5	.	.	.
12787	3428	1	gr	gr	NNP
12787	3428	2	.	.	.
12787	3429	1	1.20	1.20	LS
12787	3429	2	)	)	-RRB-
12787	3429	3	contains	contain	VBZ
12787	3429	4	39.80	39.80	CD
12787	3429	5	per	per	IN
12787	3429	6	cent	cent	NN
12787	3429	7	HCl	HCl	NNS
12787	3429	8	by	by	IN
12787	3429	9	weight	weight	NN
12787	3429	10	,	,	,
12787	3429	11	and	and	CC
12787	3429	12	corresponds	correspond	VBZ
12787	3429	13	to	to	IN
12787	3429	14	a	a	DT
12787	3429	15	13.1	13.1	CD
12787	3429	16	N	n	CD
12787	3429	17	and	and	CC
12787	3429	18	13.1	13.1	CD
12787	3429	19	molal	molal	JJ
12787	3429	20	solution	solution	NN
12787	3429	21	.	.	.
12787	3430	1	Nitric	nitric	JJ
12787	3430	2	acid	acid	NN
12787	3430	3	(	(	-LRB-
12787	3430	4	sp	sp	NNP
12787	3430	5	.	.	.
12787	3431	1	gr	gr	NNP
12787	3431	2	.	.	.
12787	3432	1	1.20	1.20	LS
12787	3432	2	)	)	-RRB-
12787	3432	3	contains	contain	VBZ
12787	3432	4	32.25	32.25	CD
12787	3432	5	per	per	NN
12787	3432	6	cent	cent	NN
12787	3432	7	HNO_{3	HNO_{3	VBN
12787	3432	8	}	}	-RRB-
12787	3432	9	by	by	IN
12787	3432	10	weight	weight	NN
12787	3432	11	,	,	,
12787	3432	12	and	and	CC
12787	3432	13	corresponds	correspond	VBZ
12787	3432	14	to	to	IN
12787	3432	15	a	a	DT
12787	3432	16	6.1	6.1	CD
12787	3432	17	N	n	CD
12787	3432	18	and	and	CC
12787	3432	19	6.1	6.1	CD
12787	3432	20	molal	molal	JJ
12787	3432	21	solution	solution	NN
12787	3432	22	:	:	:
12787	3432	23	Nitric	nitric	JJ
12787	3432	24	acid	acid	NN
12787	3432	25	(	(	-LRB-
12787	3432	26	sp	sp	NNP
12787	3432	27	.	.	.
12787	3433	1	gr	gr	NNP
12787	3433	2	.	.	.
12787	3434	1	1.42	1.42	CD
12787	3434	2	)	)	-RRB-
12787	3434	3	contains	contain	VBZ
12787	3434	4	69.96	69.96	CD
12787	3434	5	per	per	NN
12787	3434	6	cent	cent	NN
12787	3434	7	HNO_{3	HNO_{3	VBN
12787	3434	8	}	}	-RRB-
12787	3434	9	by	by	IN
12787	3434	10	weight	weight	NN
12787	3434	11	,	,	,
12787	3434	12	and	and	CC
12787	3434	13	corresponds	correspond	VBZ
12787	3434	14	to	to	IN
12787	3434	15	a	a	DT
12787	3434	16	15.8	15.8	CD
12787	3434	17	N	n	CD
12787	3434	18	and	and	CC
12787	3434	19	15.8	15.8	CD
12787	3434	20	molal	molal	JJ
12787	3434	21	solution	solution	NN
12787	3434	22	.	.	.
12787	3435	1	Sulphuric	sulphuric	JJ
12787	3435	2	acid	acid	NN
12787	3435	3	(	(	-LRB-
12787	3435	4	sp	sp	NNP
12787	3435	5	.	.	.
12787	3436	1	gr	gr	NNP
12787	3436	2	.	.	.
12787	3437	1	1.8354	1.8354	CD
12787	3437	2	)	)	-RRB-
12787	3437	3	contains	contain	VBZ
12787	3437	4	93.19	93.19	CD
12787	3437	5	per	per	NN
12787	3437	6	cent	cent	NN
12787	3437	7	H_{2}SO_{4	H_{2}SO_{4	NNS
12787	3437	8	}	}	-RRB-
12787	3437	9	by	by	IN
12787	3437	10	weight	weight	NN
12787	3437	11	,	,	,
12787	3437	12	and	and	CC
12787	3437	13	corresponds	correspond	VBZ
12787	3437	14	to	to	IN
12787	3437	15	a	a	DT
12787	3437	16	34.8	34.8	CD
12787	3437	17	N	n	CD
12787	3437	18	or	or	CC
12787	3437	19	17.4	17.4	CD
12787	3437	20	molal	molal	JJ
12787	3437	21	solution	solution	NN
12787	3437	22	.	.	.
12787	3438	1	Sulphuric	sulphuric	JJ
12787	3438	2	acid	acid	NN
12787	3438	3	(	(	-LRB-
12787	3438	4	sp	sp	NNP
12787	3438	5	.	.	.
12787	3439	1	gr	gr	NNP
12787	3439	2	.	.	.
12787	3440	1	1.18	1.18	LS
12787	3440	2	)	)	-RRB-
12787	3440	3	contains	contain	VBZ
12787	3440	4	24.74	24.74	CD
12787	3440	5	per	per	IN
12787	3440	6	cent	cent	NN
12787	3440	7	H_{2}SO_{4	H_{2}SO_{4	NNP
12787	3440	8	}	}	-RRB-
12787	3440	9	by	by	IN
12787	3440	10	weight	weight	NN
12787	3440	11	,	,	,
12787	3440	12	and	and	CC
12787	3440	13	corresponds	correspond	VBZ
12787	3440	14	to	to	IN
12787	3440	15	a	a	DT
12787	3440	16	5.9	5.9	CD
12787	3440	17	N	n	CD
12787	3440	18	or	or	CC
12787	3440	19	2.95	2.95	CD
12787	3440	20	molal	molal	JJ
12787	3440	21	solution	solution	NN
12787	3440	22	.	.	.
12787	3441	1	The	the	DT
12787	3441	2	term	term	NN
12787	3441	3	!	!	.
12787	3441	4	normal	normal	JJ
12787	3441	5	!	!	.
12787	3442	1	(	(	-LRB-
12787	3442	2	N	n	NN
12787	3442	3	)	)	-RRB-
12787	3442	4	,	,	,
12787	3442	5	as	as	IN
12787	3442	6	used	use	VBN
12787	3442	7	above	above	RB
12787	3442	8	,	,	,
12787	3442	9	has	have	VBZ
12787	3442	10	the	the	DT
12787	3442	11	same	same	JJ
12787	3442	12	significance	significance	NN
12787	3442	13	as	as	IN
12787	3442	14	in	in	IN
12787	3442	15	volumetric	volumetric	NN
12787	3442	16	analyses	analysis	NNS
12787	3442	17	.	.	.
12787	3443	1	The	the	DT
12787	3443	2	molal	molal	JJ
12787	3443	3	solution	solution	NN
12787	3443	4	is	be	VBZ
12787	3443	5	assumed	assume	VBN
12787	3443	6	to	to	TO
12787	3443	7	contain	contain	VB
12787	3443	8	one	one	CD
12787	3443	9	molecular	molecular	JJ
12787	3443	10	weight	weight	NN
12787	3443	11	in	in	IN
12787	3443	12	grams	gram	NNS
12787	3443	13	in	in	IN
12787	3443	14	a	a	DT
12787	3443	15	liter	liter	NN
12787	3443	16	of	of	IN
12787	3443	17	solution	solution	NN
12787	3443	18	.	.	.
12787	3444	1	DENSITIES	density	NNS
12787	3444	2	AND	and	CC
12787	3444	3	VOLUMES	volumes	NN
12787	3444	4	OF	of	IN
12787	3444	5	WATER	WATER	NNP
12787	3444	6	AT	at	IN
12787	3444	7	TEMPERATURES	TEMPERATURES	NNP
12787	3444	8	FROM	from	IN
12787	3444	9	15	15	CD
12787	3444	10	-	-	SYM
12787	3444	11	30Â	30â	CD
12787	3444	12	°	°	,
12787	3444	13	C	C	NNP
12787	3444	14	.	.	.
12787	3445	1	Temperature	temperature	NN
12787	3445	2	Density	density	NN
12787	3445	3	.	.	.
12787	3446	1	Volume	volume	NN
12787	3446	2	.	.	.
12787	3447	1	Centigrade	Centigrade	NNP
12787	3447	2	.	.	.
12787	3448	1	4Â	4Â	NNP
12787	3448	2	°	°	,
12787	3448	3	1.000000	1.000000	CD
12787	3448	4	1.000000	1.000000	CD
12787	3448	5	15Â	15â	CD
12787	3448	6	°	°	VBD
12787	3448	7	0.999126	0.999126	CD
12787	3448	8	1.000874	1.000874	CD
12787	3448	9	16Â	16â	CD
12787	3448	10	°	°	,
12787	3448	11	0.998970	0.998970	CD
12787	3448	12	1.001031	1.001031	CD
12787	3448	13	17Â	17â	CD
12787	3448	14	°	°	,
12787	3448	15	0.998801	0.998801	CD
12787	3448	16	1.001200	1.001200	CD
12787	3448	17	18Â	18Â	NNPS
12787	3448	18	°	°	VBD
12787	3448	19	0.998622	0.998622	CD
12787	3448	20	1.001380	1.001380	CD
12787	3448	21	19Â	19â	CD
12787	3448	22	°	°	,
12787	3448	23	0.998432	0.998432	CD
12787	3448	24	1.001571	1.001571	CD
12787	3448	25	20Â	20â	CD
12787	3448	26	°	°	,
12787	3448	27	0.998230	0.998230	CD
12787	3448	28	1.001773	1.001773	CD
12787	3448	29	21Â	21â	CD
12787	3448	30	°	°	,
12787	3448	31	0.998019	0.998019	CD
12787	3448	32	1.001985	1.001985	CD
12787	3448	33	22Â	22â	CD
12787	3448	34	°	°	,
12787	3448	35	0.997797	0.997797	CD
12787	3448	36	1.002208	1.002208	CD
12787	3448	37	23Â	23â	CD
12787	3448	38	°	°	,
12787	3448	39	0.997565	0.997565	CD
12787	3448	40	1.002441	1.002441	CD
12787	3448	41	24Â	24â	CD
12787	3448	42	°	°	,
12787	3448	43	0.997323	0.997323	CD
12787	3448	44	1.002685	1.002685	CD
12787	3448	45	25Â	25â	CD
12787	3448	46	°	°	,
12787	3448	47	0.997071	0.997071	CD
12787	3448	48	1.002938	1.002938	CD
12787	3448	49	26Â	26â	CD
12787	3448	50	°	°	,
12787	3448	51	0.996810	0.996810	CD
12787	3448	52	1.003201	1.003201	CD
12787	3448	53	27Â	27â	CD
12787	3448	54	°	°	,
12787	3448	55	0.996539	0.996539	CD
12787	3448	56	1.003473	1.003473	CD
12787	3448	57	28Â	28â	CD
12787	3448	58	°	°	,
12787	3448	59	0.996259	0.996259	CD
12787	3448	60	1.003755	1.003755	CD
12787	3448	61	29Â	29â	CD
12787	3448	62	°	°	,
12787	3448	63	0.995971	0.995971	CD
12787	3448	64	1.004046	1.004046	CD
12787	3448	65	30Â	30â	CD
12787	3448	66	°	°	,
12787	3448	67	0.995673	0.995673	CD
12787	3448	68	1.004346	1.004346	CD
12787	3448	69	Authority	Authority	NNP
12787	3448	70	:	:	:
12787	3448	71	Landolt	Landolt	NNP
12787	3448	72	,	,	,
12787	3448	73	Börnstein	Börnstein	NNP
12787	3448	74	,	,	,
12787	3448	75	and	and	CC
12787	3448	76	Meyerhoffer	Meyerhoffer	NNP
12787	3448	77	's	's	POS
12787	3448	78	!	!	.
12787	3448	79	Tabellen	Tabellen	NNP
12787	3448	80	!	!	.
12787	3448	81	,	,	,
12787	3448	82	third	third	JJ
12787	3448	83	edition	edition	NN
12787	3448	84	.	.	.
12787	3449	1	CORRECTIONS	correction	NNS
12787	3449	2	FOR	for	IN
12787	3449	3	CHANGE	CHANGE	NNS
12787	3449	4	OF	of	IN
12787	3449	5	TEMPERATURE	temperature	NN
12787	3449	6	OF	of	IN
12787	3449	7	STANDARD	STANDARD	NNP
12787	3449	8	SOLUTIONS	SOLUTIONS	NNP
12787	3449	9	The	the	DT
12787	3449	10	values	value	NNS
12787	3449	11	below	below	RB
12787	3449	12	are	be	VBP
12787	3449	13	average	average	JJ
12787	3449	14	values	value	NNS
12787	3449	15	computed	compute	VBN
12787	3449	16	from	from	IN
12787	3449	17	data	datum	NNS
12787	3449	18	relating	relate	VBG
12787	3449	19	to	to	IN
12787	3449	20	a	a	DT
12787	3449	21	considerable	considerable	JJ
12787	3449	22	number	number	NN
12787	3449	23	of	of	IN
12787	3449	24	solutions	solution	NNS
12787	3449	25	.	.	.
12787	3450	1	They	-PRON-	PRP
12787	3450	2	are	be	VBP
12787	3450	3	sufficiently	sufficiently	RB
12787	3450	4	accurate	accurate	JJ
12787	3450	5	for	for	IN
12787	3450	6	use	use	NN
12787	3450	7	in	in	IN
12787	3450	8	chemical	chemical	NN
12787	3450	9	analyses	analysis	NNS
12787	3450	10	,	,	,
12787	3450	11	except	except	IN
12787	3450	12	in	in	IN
12787	3450	13	the	the	DT
12787	3450	14	comparatively	comparatively	RB
12787	3450	15	few	few	JJ
12787	3450	16	cases	case	NNS
12787	3450	17	where	where	WRB
12787	3450	18	the	the	DT
12787	3450	19	highest	high	JJS
12787	3450	20	attainable	attainable	JJ
12787	3450	21	accuracy	accuracy	NN
12787	3450	22	is	be	VBZ
12787	3450	23	demanded	demand	VBN
12787	3450	24	in	in	IN
12787	3450	25	chemical	chemical	NN
12787	3450	26	investigations	investigation	NNS
12787	3450	27	.	.	.
12787	3451	1	The	the	DT
12787	3451	2	expansion	expansion	NN
12787	3451	3	coefficients	coefficient	NNS
12787	3451	4	should	should	MD
12787	3451	5	then	then	RB
12787	3451	6	be	be	VB
12787	3451	7	carefully	carefully	RB
12787	3451	8	determined	determine	VBN
12787	3451	9	for	for	IN
12787	3451	10	the	the	DT
12787	3451	11	solutions	solution	NNS
12787	3451	12	employed	employ	VBN
12787	3451	13	.	.	.
12787	3452	1	For	for	IN
12787	3452	2	a	a	DT
12787	3452	3	compilation	compilation	NN
12787	3452	4	of	of	IN
12787	3452	5	the	the	DT
12787	3452	6	existing	exist	VBG
12787	3452	7	data	datum	NNS
12787	3452	8	,	,	,
12787	3452	9	consult	consult	VB
12787	3452	10	Landolt	Landolt	NNP
12787	3452	11	,	,	,
12787	3452	12	Börnstein	Börnstein	NNP
12787	3452	13	,	,	,
12787	3452	14	and	and	CC
12787	3452	15	Meyerhoffer	Meyerhoffer	NNP
12787	3452	16	's	's	POS
12787	3452	17	!	!	.
12787	3452	18	Tabellen	Tabellen	NNP
12787	3452	19	!	!	.
12787	3452	20	,	,	,
12787	3452	21	third	third	JJ
12787	3452	22	edition	edition	NN
12787	3452	23	.	.	.
12787	3453	1	Corrections	correction	NNS
12787	3453	2	for	for	IN
12787	3453	3	1	1	CD
12787	3453	4	cc	cc	NN
12787	3453	5	.	.	.
12787	3454	1	Concentration	concentration	NN
12787	3454	2	.	.	.
12787	3455	1	of	of	IN
12787	3455	2	solution	solution	NN
12787	3455	3	between	between	IN
12787	3455	4	15Â	15â	CD
12787	3455	5	°	°	NNS
12787	3455	6	and	and	CC
12787	3455	7	35Â	35Â	NNP
12787	3455	8	°	°	,
12787	3455	9	C	C	NNP
12787	3455	10	.	.	.
12787	3456	1	Normal	normal	JJ
12787	3456	2	.00029	.00029	NNS
12787	3456	3	0.5	0.5	CD
12787	3456	4	Normal	normal	JJ
12787	3456	5	.00025	.00025	NFP
12787	3456	6	0.1	0.1	CD
12787	3456	7	Normal	normal	JJ
12787	3456	8	or	or	CC
12787	3456	9	more	more	JJR
12787	3456	10	dilute	dilute	JJ
12787	3456	11	solutions	solution	NNS
12787	3456	12	.00020	.00020	.
12787	3456	13	The	the	DT
12787	3456	14	volume	volume	NN
12787	3456	15	of	of	IN
12787	3456	16	solution	solution	NN
12787	3456	17	used	use	VBN
12787	3456	18	should	should	MD
12787	3456	19	be	be	VB
12787	3456	20	multiplied	multiply	VBN
12787	3456	21	by	by	IN
12787	3456	22	the	the	DT
12787	3456	23	values	value	NNS
12787	3456	24	given	give	VBN
12787	3456	25	,	,	,
12787	3456	26	and	and	CC
12787	3456	27	that	that	IN
12787	3456	28	product	product	NN
12787	3456	29	multiplied	multiply	VBN
12787	3456	30	by	by	IN
12787	3456	31	the	the	DT
12787	3456	32	number	number	NN
12787	3456	33	of	of	IN
12787	3456	34	degrees	degree	NNS
12787	3456	35	which	which	WDT
12787	3456	36	the	the	DT
12787	3456	37	temperature	temperature	NN
12787	3456	38	of	of	IN
12787	3456	39	the	the	DT
12787	3456	40	solution	solution	NN
12787	3456	41	varies	vary	VBZ
12787	3456	42	from	from	IN
12787	3456	43	the	the	DT
12787	3456	44	standard	standard	JJ
12787	3456	45	temperature	temperature	NN
12787	3456	46	selected	select	VBN
12787	3456	47	for	for	IN
12787	3456	48	the	the	DT
12787	3456	49	laboratory	laboratory	NN
12787	3456	50	.	.	.
12787	3457	1	The	the	DT
12787	3457	2	total	total	JJ
12787	3457	3	correction	correction	NN
12787	3457	4	thus	thus	RB
12787	3457	5	found	find	VBN
12787	3457	6	is	be	VBZ
12787	3457	7	subtracted	subtract	VBN
12787	3457	8	from	from	IN
12787	3457	9	the	the	DT
12787	3457	10	observed	observed	JJ
12787	3457	11	burette	burette	NN
12787	3457	12	reading	read	VBG
12787	3457	13	if	if	IN
12787	3457	14	the	the	DT
12787	3457	15	temperature	temperature	NN
12787	3457	16	is	be	VBZ
12787	3457	17	higher	high	JJR
12787	3457	18	than	than	IN
12787	3457	19	the	the	DT
12787	3457	20	standard	standard	NN
12787	3457	21	,	,	,
12787	3457	22	or	or	CC
12787	3457	23	added	add	VBD
12787	3457	24	,	,	,
12787	3457	25	if	if	IN
12787	3457	26	it	-PRON-	PRP
12787	3457	27	is	be	VBZ
12787	3457	28	lower	low	JJR
12787	3457	29	.	.	.
12787	3458	1	Corrections	correction	NNS
12787	3458	2	are	be	VBP
12787	3458	3	not	not	RB
12787	3458	4	usually	usually	RB
12787	3458	5	necessary	necessary	JJ
12787	3458	6	for	for	IN
12787	3458	7	variations	variation	NNS
12787	3458	8	of	of	IN
12787	3458	9	temperature	temperature	NN
12787	3458	10	of	of	IN
12787	3458	11	2Â	2Â	NNP
12787	3458	12	°	°	,
12787	3458	13	C	C	NNP
12787	3458	14	.	.	.
12787	3459	1	or	or	CC
12787	3459	2	less	less	RBR
12787	3459	3	.	.	.
12787	3460	1	INTERNATIONAL	INTERNATIONAL	NNP
12787	3460	2	ATOMIC	ATOMIC	NNP
12787	3460	3	WEIGHTS	WEIGHTS	NNPS
12787	3460	4	=	=	SYM
12787	3460	5	=	=	SYM
12787	3460	6	=	=	SYM
12787	3460	7	=	=	SYM
12787	3460	8	=	=	SYM
12787	3460	9	=	=	SYM
12787	3460	10	=	=	SYM
12787	3460	11	=	=	SYM
12787	3460	12	=	=	SYM
12787	3460	13	=	=	SYM
12787	3460	14	=	=	SYM
12787	3460	15	=	=	SYM
12787	3460	16	=	=	SYM
12787	3460	17	=	=	SYM
12787	3460	18	=	=	SYM
12787	3460	19	=	=	SYM
12787	3460	20	=	=	SYM
12787	3460	21	=	=	SYM
12787	3460	22	=	=	SYM
12787	3460	23	=	=	SYM
12787	3460	24	=	=	SYM
12787	3460	25	=	=	SYM
12787	3460	26	=	=	SYM
12787	3460	27	=	=	SYM
12787	3460	28	=	=	SYM
12787	3460	29	=	=	SYM
12787	3460	30	=	=	SYM
12787	3460	31	=	=	SYM
12787	3460	32	=	=	SYM
12787	3460	33	=	=	SYM
12787	3460	34	=	=	SYM
12787	3460	35	=	=	SYM
12787	3460	36	=	=	SYM
12787	3460	37	=	=	SYM
12787	3460	38	=	=	SYM
12787	3460	39	=	=	SYM
12787	3460	40	=	=	SYM
12787	3460	41	=	=	SYM
12787	3460	42	=	=	SYM
12787	3460	43	=	=	SYM
12787	3460	44	=	=	SYM
12787	3460	45	=	=	SYM
12787	3460	46	=	=	SYM
12787	3460	47	=	=	SYM
12787	3460	48	=	=	SYM
12787	3460	49	=	=	SYM
12787	3460	50	=	=	SYM
12787	3460	51	=	=	SYM
12787	3460	52	=	=	SYM
12787	3460	53	=	=	SYM
12787	3460	54	=	=	SYM
12787	3460	55	=	=	SYM
12787	3460	56	=	=	SYM
12787	3460	57	=	=	SYM
12787	3460	58	=	=	SYM
12787	3460	59	=	=	SYM
12787	3460	60	=	=	SYM
12787	3460	61	=	=	SYM
12787	3460	62	|	|	NNP
12787	3460	63	|	|	CD
12787	3460	64	|	|	CD
12787	3460	65	|	|	CD
12787	3460	66	1920	1920	CD
12787	3460	67	|	|	CD
12787	3460	68	|	|	CD
12787	3460	69	1920	1920	CD
12787	3460	70	_	_	NNP
12787	3460	71	_	_	NNP
12787	3460	72	_	_	NNP
12787	3460	73	_	_	NNP
12787	3460	74	_	_	NNP
12787	3460	75	_	_	NNP
12787	3460	76	_	_	NNP
12787	3460	77	_	_	NNP
12787	3460	78	_	_	NNP
12787	3460	79	_	_	NNP
12787	3460	80	_	_	NNP
12787	3460	81	_	_	NNP
12787	3460	82	_	_	NNP
12787	3460	83	_	_	NNP
12787	3460	84	_	_	NNP
12787	3460	85	_	_	NNP
12787	3460	86	_	_	NNP
12787	3460	87	|_________|___________________|	|_________|___________________|	NNP
12787	3460	88	_	_	NNP
12787	3460	89	_	_	NNP
12787	3460	90	_	_	NNP
12787	3460	91	_	_	NNP
12787	3460	92	_	_	NNP
12787	3460	93	_	_	NNP
12787	3460	94	_	_	NNP
12787	3460	95	_	_	NNP
12787	3460	96	_	_	NNP
12787	3460	97	_	_	NNP
12787	3460	98	|	|	NNP
12787	3460	99	|	|	NNP
12787	3460	100	|	|	NNP
12787	3460	101	Aluminium	Aluminium	NNP
12787	3460	102	Al	Al	NNP
12787	3460	103	|	|	NNP
12787	3460	104	27.1	27.1	CD
12787	3460	105	|	|	CD
12787	3460	106	Molybdenum	Molybdenum	NNP
12787	3460	107	Mo	Mo	NNP
12787	3460	108	|	|	NNP
12787	3460	109	96.0	96.0	CD
12787	3460	110	Antimony	Antimony	NNP
12787	3460	111	Sb	Sb	NNP
12787	3460	112	|	|	NNP
12787	3460	113	120.2	120.2	CD
12787	3460	114	|	|	NNP
12787	3460	115	Neodymium	Neodymium	NNP
12787	3460	116	Nd	Nd	NNP
12787	3460	117	|	|	NNP
12787	3460	118	144.3	144.3	CD
12787	3460	119	Argon	Argon	NNP
12787	3460	120	A	A	NNP
12787	3460	121	|	|	NNP
12787	3460	122	39.9	39.9	CD
12787	3460	123	|	|	NNP
12787	3460	124	Neon	Neon	NNP
12787	3460	125	Ne	Ne	NNP
12787	3460	126	|	|	CD
12787	3460	127	20.2	20.2	CD
12787	3460	128	Arsenic	Arsenic	NNP
12787	3460	129	As	as	IN
12787	3460	130	|	|	CD
12787	3460	131	74.96	74.96	CD
12787	3460	132	|	|	NNP
12787	3460	133	Nickel	Nickel	NNP
12787	3460	134	Ni	Ni	NNP
12787	3460	135	|	|	CD
12787	3460	136	58.68	58.68	CD
12787	3460	137	Barium	Barium	NNP
12787	3460	138	Ba	Ba	NNP
12787	3460	139	|	|	NNP
12787	3460	140	137.37	137.37	CD
12787	3460	141	|	|	NNP
12787	3460	142	Nitrogen	Nitrogen	NNP
12787	3460	143	N	N	NNP
12787	3460	144	|	|	NNP
12787	3460	145	14.008	14.008	CD
12787	3460	146	Bismuth	Bismuth	NNP
12787	3460	147	Bi	Bi	NNP
12787	3460	148	|	|	NNP
12787	3460	149	208.0	208.0	CD
12787	3460	150	|	|	NNP
12787	3460	151	Osmium	Osmium	NNP
12787	3460	152	Os	Os	NNP
12787	3460	153	|	|	CD
12787	3460	154	190.9	190.9	CD
12787	3460	155	Boron	Boron	NNP
12787	3460	156	B	B	NNP
12787	3460	157	|	|	NNP
12787	3460	158	11.0	11.0	CD
12787	3460	159	|	|	CD
12787	3460	160	Oxygen	Oxygen	NNP
12787	3460	161	O	O	NNP
12787	3460	162	|	|	NNP
12787	3460	163	16.00	16.00	CD
12787	3460	164	Bromine	Bromine	NNP
12787	3460	165	Br	Br	NNP
12787	3460	166	|	|	NNP
12787	3460	167	79.92	79.92	CD
12787	3460	168	|	|	NNP
12787	3460	169	Palladium	Palladium	NNP
12787	3460	170	Pd	Pd	NNP
12787	3460	171	|	|	NNP
12787	3460	172	106.7	106.7	CD
12787	3460	173	Cadmium	Cadmium	NNP
12787	3460	174	Cd	Cd	NNP
12787	3460	175	|	|	NNP
12787	3460	176	112.40	112.40	CD
12787	3460	177	|	|	NNP
12787	3460	178	Phosphorus	Phosphorus	NNP
12787	3460	179	P	P	NNP
12787	3460	180	|	|	NNP
12787	3460	181	31.04	31.04	CD
12787	3460	182	Caesium	Caesium	NNP
12787	3460	183	Cs	Cs	NNP
12787	3460	184	|	|	NNP
12787	3460	185	132.81	132.81	CD
12787	3460	186	|	|	NNP
12787	3460	187	Platinum	Platinum	NNP
12787	3460	188	Pt	Pt	NNP
12787	3460	189	|	|	CD
12787	3460	190	195.2	195.2	CD
12787	3460	191	Calcium	Calcium	NNP
12787	3460	192	Ca	Ca	NNP
12787	3460	193	|	|	NNP
12787	3460	194	40.07	40.07	CD
12787	3460	195	|	|	NNP
12787	3460	196	Potassium	Potassium	NNP
12787	3460	197	K	K	NNP
12787	3460	198	|	|	NNP
12787	3460	199	39.10	39.10	CD
12787	3460	200	Carbon	Carbon	NNP
12787	3460	201	C	C	NNP
12787	3460	202	|	|	CD
12787	3460	203	12.005	12.005	CD
12787	3460	204	|	|	NNP
12787	3460	205	Praseodymium	Praseodymium	NNP
12787	3460	206	Pr	Pr	NNP
12787	3460	207	|	|	NNP
12787	3460	208	140.9	140.9	CD
12787	3460	209	Cerium	Cerium	NNP
12787	3460	210	Ce	Ce	NNP
12787	3460	211	|	|	NNP
12787	3460	212	140.25	140.25	CD
12787	3460	213	|	|	NNP
12787	3460	214	Radium	Radium	NNP
12787	3460	215	Ra	Ra	NNP
12787	3460	216	|	|	NNP
12787	3460	217	226.0	226.0	CD
12787	3460	218	Chlorine	Chlorine	NNP
12787	3460	219	Cl	Cl	NNP
12787	3460	220	|	|	NNP
12787	3460	221	35.46	35.46	CD
12787	3460	222	|	|	NNP
12787	3460	223	Rhodium	Rhodium	NNP
12787	3460	224	Rh	Rh	NNP
12787	3460	225	|	|	NNP
12787	3460	226	102.9	102.9	CD
12787	3460	227	Chromium	Chromium	NNP
12787	3460	228	Cr	Cr	NNP
12787	3460	229	|	|	NNP
12787	3460	230	52.0	52.0	CD
12787	3460	231	|	|	NNP
12787	3460	232	Rubidium	Rubidium	NNP
12787	3460	233	Rb	Rb	NNP
12787	3460	234	|	|	NNP
12787	3460	235	85.45	85.45	CD
12787	3460	236	Cobalt	Cobalt	NNP
12787	3460	237	Co	Co	NNP
12787	3460	238	|	|	NNP
12787	3460	239	58.97	58.97	CD
12787	3460	240	|	|	NNP
12787	3460	241	Ruthenium	Ruthenium	NNP
12787	3460	242	Ru	Ru	NNP
12787	3460	243	|	|	NNP
12787	3460	244	101.7	101.7	CD
12787	3460	245	Columbium	Columbium	NNP
12787	3460	246	Cb	Cb	NNP
12787	3460	247	|	|	CD
12787	3460	248	93.1	93.1	CD
12787	3460	249	|	|	NNP
12787	3460	250	Samarium	Samarium	NNP
12787	3460	251	Sm	Sm	NNP
12787	3460	252	|	|	NNP
12787	3460	253	150.4	150.4	CD
12787	3460	254	Copper	Copper	NNP
12787	3460	255	Cu	Cu	NNP
12787	3460	256	|	|	CD
12787	3460	257	63.57	63.57	CD
12787	3460	258	|	|	NNP
12787	3460	259	Scandium	Scandium	NNP
12787	3460	260	Sc	Sc	NNP
12787	3460	261	|	|	CD
12787	3460	262	44.1	44.1	CD
12787	3460	263	Dysprosium	Dysprosium	NNP
12787	3460	264	Dy	Dy	NNP
12787	3460	265	|	|	NNP
12787	3460	266	162.5	162.5	CD
12787	3460	267	|	|	NNP
12787	3460	268	Selenium	Selenium	NNP
12787	3460	269	Se	Se	NNP
12787	3460	270	|	|	NNP
12787	3460	271	79.2	79.2	CD
12787	3460	272	Erbium	Erbium	NNP
12787	3460	273	Er	Er	NNP
12787	3460	274	|	|	NNP
12787	3460	275	167.7	167.7	CD
12787	3460	276	|	|	NNP
12787	3460	277	Silicon	Silicon	NNP
12787	3460	278	Si	Si	NNP
12787	3460	279	|	|	NNP
12787	3460	280	28.3	28.3	CD
12787	3460	281	Europium	Europium	NNP
12787	3460	282	Eu	Eu	NNP
12787	3460	283	|	|	CD
12787	3460	284	152.0	152.0	CD
12787	3460	285	|	|	NNP
12787	3460	286	Silver	Silver	NNP
12787	3460	287	Ag	Ag	NNP
12787	3460	288	|	|	NNP
12787	3460	289	107.88	107.88	CD
12787	3460	290	Fluorine	Fluorine	NNP
12787	3460	291	Fl	Fl	NNP
12787	3460	292	|	|	NNP
12787	3460	293	19.0	19.0	CD
12787	3460	294	|	|	NNP
12787	3460	295	Sodium	Sodium	NNP
12787	3460	296	Na	Na	NNP
12787	3460	297	|	|	CD
12787	3460	298	23.00	23.00	CD
12787	3460	299	Gadolinium	Gadolinium	NNP
12787	3460	300	Gd	Gd	NNP
12787	3460	301	|	|	NNP
12787	3460	302	157.3	157.3	CD
12787	3460	303	|	|	CD
12787	3460	304	Strontium	Strontium	NNP
12787	3460	305	Sr	Sr	NNP
12787	3460	306	|	|	NNP
12787	3460	307	87.63	87.63	CD
12787	3460	308	Gallium	Gallium	NNP
12787	3460	309	Ga	Ga	NNP
12787	3460	310	|	|	NNP
12787	3460	311	69.9	69.9	CD
12787	3460	312	|	|	CD
12787	3460	313	Sulphur	Sulphur	NNP
12787	3460	314	S	S	NNP
12787	3460	315	|	|	NNP
12787	3460	316	32.06	32.06	CD
12787	3460	317	Germanium	Germanium	NNP
12787	3460	318	Ge	Ge	NNP
12787	3460	319	|	|	NNP
12787	3460	320	72.5	72.5	CD
12787	3460	321	|	|	NNP
12787	3460	322	Tantalum	Tantalum	NNP
12787	3460	323	Ta	Ta	NNP
12787	3460	324	|	|	CD
12787	3460	325	181.5	181.5	CD
12787	3460	326	Glucinum	Glucinum	NNP
12787	3460	327	Gl	Gl	NNP
12787	3460	328	|	|	NNP
12787	3460	329	9.1	9.1	CD
12787	3460	330	|	|	CD
12787	3460	331	Tellurium	Tellurium	NNP
12787	3460	332	Te	Te	NNP
12787	3460	333	|	|	NNP
12787	3460	334	127.5	127.5	CD
12787	3460	335	Gold	Gold	NNP
12787	3460	336	Au	Au	NNP
12787	3460	337	|	|	NNP
12787	3460	338	197.2	197.2	CD
12787	3460	339	|	|	NNP
12787	3460	340	Terbium	Terbium	NNP
12787	3460	341	Tb	Tb	NNP
12787	3460	342	|	|	VBD
12787	3460	343	159.2	159.2	CD
12787	3460	344	Helium	Helium	NNP
12787	3460	345	He	-PRON-	PRP
12787	3460	346	|	|	VBD
12787	3460	347	4.00	4.00	CD
12787	3460	348	|	|	CD
12787	3460	349	Thallium	Thallium	NNP
12787	3460	350	Tl	Tl	NNP
12787	3460	351	|	|	CD
12787	3460	352	204.0	204.0	CD
12787	3460	353	Hydrogen	Hydrogen	NNP
12787	3460	354	H	H	NNP
12787	3460	355	|	|	NNP
12787	3460	356	1.008	1.008	CD
12787	3460	357	|	|	NNP
12787	3460	358	Thorium	Thorium	NNP
12787	3460	359	Th	Th	NNP
12787	3460	360	|	|	NNP
12787	3460	361	232.4	232.4	CD
12787	3460	362	Indium	Indium	NNP
12787	3460	363	In	In	NNP
12787	3460	364	|	|	NNP
12787	3460	365	114.8	114.8	CD
12787	3460	366	|	|	NNP
12787	3460	367	Thulium	Thulium	NNP
12787	3460	368	Tm	Tm	NNP
12787	3460	369	|	|	NNP
12787	3460	370	168.5	168.5	NNP
12787	3460	371	Iodine	Iodine	NNP
12787	3460	372	I	I	NNP
12787	3460	373	|	|	VBD
12787	3460	374	126.92	126.92	CD
12787	3460	375	|	|	NNP
12787	3460	376	Tin	Tin	NNP
12787	3460	377	Sn	Sn	NNP
12787	3460	378	|	|	CD
12787	3460	379	118.7	118.7	CD
12787	3460	380	Iridium	Iridium	NNP
12787	3460	381	Ir	Ir	NNP
12787	3460	382	|	|	NNP
12787	3460	383	193.1	193.1	CD
12787	3460	384	|	|	NNP
12787	3460	385	Titanium	Titanium	NNP
12787	3460	386	Ti	Ti	NNP
12787	3460	387	|	|	CD
12787	3460	388	48.1	48.1	CD
12787	3460	389	Iron	Iron	NNP
12787	3460	390	Fe	Fe	NNP
12787	3460	391	|	|	NNP
12787	3460	392	55.84	55.84	CD
12787	3460	393	|	|	CD
12787	3460	394	Tungsten	Tungsten	NNP
12787	3460	395	W	W	NNP
12787	3460	396	|	|	NNP
12787	3460	397	184.0	184.0	CD
12787	3460	398	Krypton	Krypton	NNP
12787	3460	399	Kr	Kr	NNP
12787	3460	400	|	|	NNP
12787	3460	401	82.92	82.92	CD
12787	3460	402	|	|	CD
12787	3460	403	Uranium	Uranium	NNP
12787	3460	404	U	U	NNP
12787	3460	405	|	|	NNP
12787	3460	406	238.2	238.2	CD
12787	3460	407	Lanthanum	Lanthanum	NNP
12787	3460	408	La	La	NNP
12787	3460	409	|	|	NNP
12787	3460	410	139.0	139.0	CD
12787	3460	411	|	|	NNP
12787	3460	412	Vanadium	Vanadium	NNP
12787	3460	413	V	V	NNP
12787	3460	414	|	|	CD
12787	3460	415	51.0	51.0	CD
12787	3460	416	Lead	Lead	NNP
12787	3460	417	Pb	Pb	NNP
12787	3460	418	|	|	NNP
12787	3460	419	207.2	207.2	CD
12787	3460	420	|	|	NNP
12787	3460	421	Xenon	Xenon	NNP
12787	3460	422	Xe	Xe	NNP
12787	3460	423	|	|	CD
12787	3460	424	130.2	130.2	CD
12787	3460	425	Lithium	Lithium	NNP
12787	3460	426	Li	Li	NNP
12787	3460	427	|	|	NNP
12787	3460	428	6.94	6.94	CD
12787	3460	429	|	|	NNS
12787	3460	430	Ytterbium	Ytterbium	NNP
12787	3460	431	Yb	Yb	NNP
12787	3460	432	|	|	NNP
12787	3460	433	173.5	173.5	CD
12787	3460	434	Lutecium	Lutecium	NNP
12787	3460	435	Lu	Lu	NNP
12787	3460	436	|	|	NNP
12787	3460	437	175.0	175.0	CD
12787	3460	438	|	|	NNP
12787	3460	439	Yttrium	Yttrium	NNP
12787	3460	440	Y	Y	NNP
12787	3460	441	|	|	CD
12787	3460	442	88.7	88.7	CD
12787	3460	443	Magnesium	Magnesium	NNP
12787	3460	444	Mg	Mg	NNP
12787	3460	445	|	|	NNP
12787	3460	446	24.32	24.32	CD
12787	3460	447	|	|	NNP
12787	3460	448	Zinc	Zinc	NNP
12787	3460	449	Zn	Zn	NNP
12787	3460	450	|	|	CD
12787	3460	451	65.37	65.37	CD
12787	3460	452	Manganese	Manganese	NNP
12787	3460	453	Mn	Mn	NNP
12787	3460	454	|	|	CD
12787	3460	455	54.93	54.93	CD
12787	3460	456	|	|	CD
12787	3460	457	Zirconium	Zirconium	NNP
12787	3460	458	Zr	Zr	NNP
12787	3460	459	|	|	NNP
12787	3460	460	90.6	90.6	CD
12787	3460	461	Mercury	Mercury	NNP
12787	3460	462	Hg	Hg	NNP
12787	3460	463	|	|	CD
12787	3460	464	200.6	200.6	CD
12787	3460	465	|	|	CD
12787	3460	466	|	|	NNS
12787	3460	467	=	=	SYM
12787	3460	468	=	=	SYM
12787	3460	469	=	=	SYM
12787	3460	470	=	=	SYM
12787	3460	471	=	=	SYM
12787	3460	472	=	=	SYM
12787	3460	473	=	=	SYM
12787	3460	474	=	=	SYM
12787	3460	475	=	=	SYM
12787	3460	476	=	=	SYM
12787	3460	477	=	=	SYM
12787	3460	478	=	=	SYM
12787	3460	479	=	=	SYM
12787	3460	480	=	=	SYM
12787	3460	481	=	=	SYM
12787	3460	482	=	=	SYM
12787	3460	483	=	=	SYM
12787	3460	484	=	=	SYM
12787	3460	485	=	=	SYM
12787	3460	486	=	=	SYM
12787	3460	487	=	=	SYM
12787	3460	488	=	=	SYM
12787	3460	489	=	=	SYM
12787	3460	490	=	=	SYM
12787	3460	491	=	=	SYM
12787	3460	492	=	=	SYM
12787	3460	493	=	=	SYM
12787	3460	494	=	=	SYM
12787	3460	495	=	=	SYM
12787	3460	496	=	=	SYM
12787	3460	497	=	=	SYM
12787	3460	498	=	=	SYM
12787	3460	499	=	=	SYM
12787	3460	500	=	=	SYM
12787	3460	501	=	=	SYM
12787	3460	502	=	=	SYM
12787	3460	503	=	=	SYM
12787	3460	504	=	=	SYM
12787	3460	505	=	=	SYM
12787	3460	506	=	=	SYM
12787	3460	507	=	=	SYM
12787	3460	508	=	=	SYM
12787	3460	509	=	=	SYM
12787	3460	510	=	=	SYM
12787	3460	511	=	=	SYM
12787	3460	512	=	=	SYM
12787	3460	513	=	=	SYM
12787	3460	514	=	=	SYM
12787	3460	515	=	=	SYM
12787	3460	516	=	=	SYM
12787	3460	517	=	=	SYM
12787	3460	518	=	=	SYM
12787	3460	519	=	=	SYM
12787	3460	520	=	=	SYM
12787	3460	521	=	=	SYM
12787	3460	522	=	=	SYM
12787	3460	523	=	=	NFP
12787	3460	524	=	=	NFP
12787	3460	525	INDEX	index	NN
12787	3460	526	Acidimetry	Acidimetry	NNP
12787	3460	527	Acid	Acid	NNP
12787	3460	528	solutions	solution	NNS
12787	3460	529	,	,	,
12787	3460	530	normal	normal	JJ
12787	3460	531	standard	standard	JJ
12787	3460	532	Acids	Acids	NNPS
12787	3460	533	,	,	,
12787	3460	534	definition	definition	NN
12787	3460	535	of	of	IN
12787	3460	536	Acids	Acids	NNP
12787	3460	537	,	,	,
12787	3460	538	weak	weak	JJ
12787	3460	539	,	,	,
12787	3460	540	action	action	NN
12787	3460	541	of	of	IN
12787	3460	542	other	other	JJ
12787	3460	543	acids	acid	NNS
12787	3460	544	on	on	IN
12787	3460	545	action	action	NN
12787	3460	546	of	of	IN
12787	3460	547	salts	salt	NNS
12787	3460	548	on	on	IN
12787	3460	549	Accuracy	Accuracy	NNP
12787	3460	550	demanded	demand	VBD
12787	3460	551	Alkalimetry	Alkalimetry	NNP
12787	3460	552	Alkali	alkali	JJ
12787	3460	553	solutions	solution	NNS
12787	3460	554	,	,	,
12787	3460	555	normal	normal	JJ
12787	3460	556	standard	standard	JJ
12787	3460	557	Alumina	Alumina	NNP
12787	3460	558	,	,	,
12787	3460	559	determination	determination	NN
12787	3460	560	of	of	IN
12787	3460	561	in	in	IN
12787	3460	562	stibnite	stibnite	JJ
12787	3460	563	Ammonium	Ammonium	NNP
12787	3460	564	nitrate	nitrate	RB
12787	3460	565	,	,	,
12787	3460	566	acid	acid	JJ
12787	3460	567	Analytical	analytical	JJ
12787	3460	568	chemistry	chemistry	NN
12787	3460	569	,	,	,
12787	3460	570	subdivisions	subdivision	NNS
12787	3460	571	of	of	IN
12787	3460	572	Antimony	Antimony	NNP
12787	3460	573	,	,	,
12787	3460	574	determination	determination	NN
12787	3460	575	of	of	IN
12787	3460	576	,	,	,
12787	3460	577	in	in	IN
12787	3460	578	stibnite	stibnite	JJ
12787	3460	579	Apatite	Apatite	NNP
12787	3460	580	,	,	,
12787	3460	581	analysis	analysis	NN
12787	3460	582	of	of	IN
12787	3460	583	Asbestos	Asbestos	NNP
12787	3460	584	filters	filter	NNS
12787	3460	585	Atomic	atomic	JJ
12787	3460	586	weights	weight	NNS
12787	3460	587	,	,	,
12787	3460	588	table	table	NN
12787	3460	589	of	of	IN
12787	3460	590	Balances	Balances	NNPS
12787	3460	591	,	,	,
12787	3460	592	essential	essential	JJ
12787	3460	593	features	feature	NNS
12787	3460	594	of	of	IN
12787	3460	595	use	use	NN
12787	3460	596	and	and	CC
12787	3460	597	care	care	NN
12787	3460	598	of	of	IN
12787	3460	599	Barium	Barium	NNP
12787	3460	600	sulphate	sulphate	NN
12787	3460	601	,	,	,
12787	3460	602	determination	determination	NN
12787	3460	603	of	of	IN
12787	3460	604	sulphur	sulphur	NNP
12787	3460	605	in	in	IN
12787	3460	606	Bases	Bases	NNP
12787	3460	607	,	,	,
12787	3460	608	definition	definition	NN
12787	3460	609	of	of	IN
12787	3460	610	Bichromate	Bichromate	NNP
12787	3460	611	process	process	NN
12787	3460	612	for	for	IN
12787	3460	613	iron	iron	NN
12787	3460	614	Bleaching	Bleaching	NNP
12787	3460	615	powder	powder	NN
12787	3460	616	,	,	,
12787	3460	617	analysis	analysis	NN
12787	3460	618	of	of	IN
12787	3460	619	Brass	Brass	NNP
12787	3460	620	,	,	,
12787	3460	621	analysis	analysis	NN
12787	3460	622	of	of	IN
12787	3460	623	Burette	Burette	NNP
12787	3460	624	,	,	,
12787	3460	625	description	description	NN
12787	3460	626	of	of	IN
12787	3460	627	calibration	calibration	NN
12787	3460	628	of	of	IN
12787	3460	629	cleaning	cleaning	NN
12787	3460	630	of	of	IN
12787	3460	631	reading	reading	NN
12787	3460	632	of	of	IN
12787	3460	633	Calcium	Calcium	NNP
12787	3460	634	,	,	,
12787	3460	635	determination	determination	NN
12787	3460	636	of	of	IN
12787	3460	637	,	,	,
12787	3460	638	in	in	IN
12787	3460	639	limestone	limestone	NN
12787	3460	640	Calibration	Calibration	NNP
12787	3460	641	,	,	,
12787	3460	642	definition	definition	NN
12787	3460	643	of	of	IN
12787	3460	644	of	of	IN
12787	3460	645	burettes	burette	NNS
12787	3460	646	of	of	IN
12787	3460	647	flasks	flask	NNS
12787	3460	648	Carbon	carbon	NN
12787	3460	649	dioxide	dioxide	NN
12787	3460	650	,	,	,
12787	3460	651	determination	determination	NN
12787	3460	652	of	of	IN
12787	3460	653	,	,	,
12787	3460	654	in	in	IN
12787	3460	655	limestone	limestone	NN
12787	3460	656	Chlorimetry	Chlorimetry	NNP
12787	3460	657	Chlorine	Chlorine	NNP
12787	3460	658	,	,	,
12787	3460	659	gravimetric	gravimetric	JJ
12787	3460	660	determination	determination	NN
12787	3460	661	of	of	IN
12787	3460	662	Chrome	Chrome	NNP
12787	3460	663	iron	iron	NN
12787	3460	664	ore	ore	NN
12787	3460	665	,	,	,
12787	3460	666	analysis	analysis	NN
12787	3460	667	of	of	IN
12787	3460	668	Coin	Coin	NNP
12787	3460	669	,	,	,
12787	3460	670	determination	determination	NN
12787	3460	671	of	of	IN
12787	3460	672	silver	silver	NN
12787	3460	673	in	in	IN
12787	3460	674	Colloidal	colloidal	JJ
12787	3460	675	solution	solution	NN
12787	3460	676	of	of	IN
12787	3460	677	precipitates	precipitate	NNS
12787	3460	678	Colorimetric	Colorimetric	NNP
12787	3460	679	analyses	analysis	NNS
12787	3460	680	,	,	,
12787	3460	681	definition	definition	NN
12787	3460	682	of	of	IN
12787	3460	683	Copper	Copper	NNP
12787	3460	684	,	,	,
12787	3460	685	determination	determination	NN
12787	3460	686	of	of	IN
12787	3460	687	,	,	,
12787	3460	688	in	in	IN
12787	3460	689	brass	brass	NN
12787	3460	690	determination	determination	NN
12787	3460	691	of	of	IN
12787	3460	692	in	in	IN
12787	3460	693	copper	copper	NN
12787	3460	694	ores	ore	VBZ
12787	3460	695	Crucibles	crucible	NNS
12787	3460	696	,	,	,
12787	3460	697	use	use	NN
12787	3460	698	of	of	IN
12787	3460	699	Crystalline	crystalline	JJ
12787	3460	700	precipitates	precipitate	NNS
12787	3460	701	Densities	density	NNS
12787	3460	702	of	of	IN
12787	3460	703	water	water	NN
12787	3460	704	Deposition	Deposition	NNP
12787	3460	705	potentials	potential	NNS
12787	3460	706	Desiccators	desiccator	NNS
12787	3460	707	Direct	direct	JJ
12787	3460	708	methods	method	NNS
12787	3460	709	Dissociation	dissociation	NN
12787	3460	710	,	,	,
12787	3460	711	degree	degree	NN
12787	3460	712	of	of	IN
12787	3460	713	Economy	economy	NN
12787	3460	714	of	of	IN
12787	3460	715	time	time	NN
12787	3460	716	Electrolytic	electrolytic	JJ
12787	3460	717	dissociation	dissociation	NN
12787	3460	718	,	,	,
12787	3460	719	theory	theory	NN
12787	3460	720	of	of	IN
12787	3460	721	Electrolytic	electrolytic	JJ
12787	3460	722	separations	separation	NNS
12787	3460	723	,	,	,
12787	3460	724	principles	principle	NNS
12787	3460	725	of	of	IN
12787	3460	726	End	end	NN
12787	3460	727	-	-	HYPH
12787	3460	728	point	point	NN
12787	3460	729	,	,	,
12787	3460	730	definition	definition	NN
12787	3460	731	of	of	IN
12787	3460	732	Equilibrium	Equilibrium	NNP
12787	3460	733	,	,	,
12787	3460	734	chemical	chemical	NN
12787	3460	735	Evaporation	Evaporation	NNP
12787	3460	736	of	of	IN
12787	3460	737	liquids	liquid	NNS
12787	3460	738	Faraday	Faraday	NNP
12787	3460	739	's	's	POS
12787	3460	740	law	law	NN
12787	3460	741	Feldspar	Feldspar	NNP
12787	3460	742	,	,	,
12787	3460	743	analysis	analysis	NN
12787	3460	744	of	of	IN
12787	3460	745	Ferrous	ferrous	JJ
12787	3460	746	ammonium	ammonium	NN
12787	3460	747	sulphate	sulphate	NN
12787	3460	748	,	,	,
12787	3460	749	analysis	analysis	NN
12787	3460	750	of	of	IN
12787	3460	751	Filters	Filters	NNPS
12787	3460	752	,	,	,
12787	3460	753	folding	fold	VBG
12787	3460	754	of	of	IN
12787	3460	755	how	how	WRB
12787	3460	756	fitted	fitted	JJ
12787	3460	757	Filtrates	filtrate	NNS
12787	3460	758	,	,	,
12787	3460	759	testing	testing	NN
12787	3460	760	of	of	IN
12787	3460	761	Filtration	Filtration	NNP
12787	3460	762	Flasks	Flasks	NNP
12787	3460	763	,	,	,
12787	3460	764	graduation	graduation	NN
12787	3460	765	of	of	IN
12787	3460	766	Funnels	Funnels	NNP
12787	3460	767	Fusions	Fusions	NNPS
12787	3460	768	,	,	,
12787	3460	769	removal	removal	NN
12787	3460	770	of	of	IN
12787	3460	771	from	from	IN
12787	3460	772	crucibles	crucible	NNS
12787	3460	773	General	General	NNP
12787	3460	774	directions	direction	NNS
12787	3460	775	for	for	IN
12787	3460	776	gravimetric	gravimetric	NNP
12787	3460	777	analysis	analysis	NN
12787	3460	778	volumetric	volumetric	NNP
12787	3460	779	analysis	analysis	NN
12787	3460	780	Gooch	Gooch	NNP
12787	3460	781	filter	filter	NN
12787	3460	782	Gravimetric	Gravimetric	NNP
12787	3460	783	analysis	analysis	NN
12787	3460	784	,	,	,
12787	3460	785	definition	definition	NN
12787	3460	786	of	of	IN
12787	3460	787	Hydrochloric	Hydrochloric	NNP
12787	3460	788	acid	acid	NN
12787	3460	789	,	,	,
12787	3460	790	standardization	standardization	NN
12787	3460	791	of	of	IN
12787	3460	792	Hydrolysis	Hydrolysis	NNP
12787	3460	793	Ignition	Ignition	NNP
12787	3460	794	of	of	IN
12787	3460	795	precipitates	precipitate	NNS
12787	3460	796	Indicators	indicator	NNS
12787	3460	797	,	,	,
12787	3460	798	definition	definition	NN
12787	3460	799	of	of	IN
12787	3460	800	for	for	IN
12787	3460	801	acidimetry	acidimetry	NN
12787	3460	802	preparation	preparation	NN
12787	3460	803	of	of	IN
12787	3460	804	Indirect	indirect	JJ
12787	3460	805	methods	method	NNS
12787	3460	806	Insoluble	insoluble	JJ
12787	3460	807	matter	matter	NN
12787	3460	808	,	,	,
12787	3460	809	determination	determination	NN
12787	3460	810	of	of	IN
12787	3460	811	in	in	IN
12787	3460	812	limestone	limestone	NN
12787	3460	813	Integrity	Integrity	NNP
12787	3460	814	Iodimetry	Iodimetry	NNP
12787	3460	815	Ions	Ions	NNP
12787	3460	816	,	,	,
12787	3460	817	definition	definition	NN
12787	3460	818	of	of	IN
12787	3460	819	Iron	Iron	NNP
12787	3460	820	,	,	,
12787	3460	821	gravimetric	gravimetric	JJ
12787	3460	822	determination	determination	NN
12787	3460	823	of	of	IN
12787	3460	824	volumetric	volumetric	JJ
12787	3460	825	determination	determination	NN
12787	3460	826	of	of	IN
12787	3460	827	Jones	Jones	NNP
12787	3460	828	reductor	reductor	NN
12787	3460	829	Lead	Lead	NNP
12787	3460	830	,	,	,
12787	3460	831	determination	determination	NN
12787	3460	832	of	of	IN
12787	3460	833	in	in	IN
12787	3460	834	brass	brass	NN
12787	3460	835	Limestone	Limestone	NNP
12787	3460	836	,	,	,
12787	3460	837	analysis	analysis	NN
12787	3460	838	of	of	IN
12787	3460	839	Limonite	Limonite	NNP
12787	3460	840	,	,	,
12787	3460	841	determination	determination	NN
12787	3460	842	of	of	IN
12787	3460	843	iron	iron	NN
12787	3460	844	in	in	IN
12787	3460	845	Liquids	Liquids	NNP
12787	3460	846	,	,	,
12787	3460	847	evaporation	evaporation	NN
12787	3460	848	of	of	IN
12787	3460	849	transfer	transfer	NN
12787	3460	850	of	of	IN
12787	3460	851	Litmus	Litmus	NNP
12787	3460	852	Logarithms	Logarithms	NNP
12787	3460	853	Magnesium	Magnesium	NNP
12787	3460	854	,	,	,
12787	3460	855	determination	determination	NN
12787	3460	856	of	of	IN
12787	3460	857	Mass	Mass	NNP
12787	3460	858	action	action	NN
12787	3460	859	,	,	,
12787	3460	860	law	law	NN
12787	3460	861	of	of	IN
12787	3460	862	Measuring	Measuring	NNP
12787	3460	863	instruments	instrument	NNS
12787	3460	864	Methyl	Methyl	NNP
12787	3460	865	orange	orange	NN
12787	3460	866	Moisture	moisture	NN
12787	3460	867	,	,	,
12787	3460	868	determination	determination	NN
12787	3460	869	of	of	IN
12787	3460	870	in	in	IN
12787	3460	871	limestone	limestone	NN
12787	3460	872	Neutralization	neutralization	NN
12787	3460	873	methods	method	VBZ
12787	3460	874	Normal	normal	JJ
12787	3460	875	solutions	solution	NNS
12787	3460	876	,	,	,
12787	3460	877	acid	acid	JJ
12787	3460	878	and	and	CC
12787	3460	879	alkali	alkali	JJ
12787	3460	880	oxidizing	oxidizing	JJ
12787	3460	881	agents	agent	NNS
12787	3460	882	reducing	reduce	VBG
12787	3460	883	agents	agent	NNS
12787	3460	884	Notebooks	Notebooks	NNPS
12787	3460	885	,	,	,
12787	3460	886	sample	sample	NN
12787	3460	887	pages	page	NNS
12787	3460	888	of	of	IN
12787	3460	889	Oxalic	oxalic	JJ
12787	3460	890	acid	acid	NN
12787	3460	891	,	,	,
12787	3460	892	determination	determination	NN
12787	3460	893	of	of	IN
12787	3460	894	strength	strength	NN
12787	3460	895	of	of	IN
12787	3460	896	Oxidation	oxidation	NN
12787	3460	897	processes	process	VBZ
12787	3460	898	Oxidizing	oxidizing	JJ
12787	3460	899	power	power	NN
12787	3460	900	of	of	IN
12787	3460	901	pyrolusite	pyrolusite	NN
12787	3460	902	Permanganate	Permanganate	NNP
12787	3460	903	process	process	NN
12787	3460	904	for	for	IN
12787	3460	905	iron	iron	NN
12787	3460	906	Phenolphthalein	Phenolphthalein	NNP
12787	3460	907	Phosphoric	Phosphoric	NNP
12787	3460	908	anhydride	anhydride	NN
12787	3460	909	,	,	,
12787	3460	910	determination	determination	NN
12787	3460	911	of	of	IN
12787	3460	912	Pipette	Pipette	NNP
12787	3460	913	,	,	,
12787	3460	914	calibration	calibration	NN
12787	3460	915	of	of	IN
12787	3460	916	description	description	NN
12787	3460	917	of	of	IN
12787	3460	918	Platinum	Platinum	NNP
12787	3460	919	crucibles	crucible	NNS
12787	3460	920	,	,	,
12787	3460	921	care	care	NN
12787	3460	922	of	of	IN
12787	3460	923	Precipitates	Precipitates	NNPS
12787	3460	924	,	,	,
12787	3460	925	colloidal	colloidal	JJ
12787	3460	926	crystalline	crystalline	NN
12787	3460	927	ignition	ignition	NN
12787	3460	928	of	of	IN
12787	3460	929	separation	separation	NN
12787	3460	930	from	from	IN
12787	3460	931	filter	filter	NN
12787	3460	932	washing	washing	NN
12787	3460	933	of	of	IN
12787	3460	934	Precipitation	Precipitation	NNP
12787	3460	935	Precipitation	Precipitation	NNP
12787	3460	936	methods	method	NNS
12787	3460	937	(	(	-LRB-
12787	3460	938	volumetric	volumetric	NN
12787	3460	939	)	)	-RRB-
12787	3460	940	Problems	Problems	NNP
12787	3460	941	Pyrolusite	Pyrolusite	NNP
12787	3460	942	,	,	,
12787	3460	943	oxidizing	oxidize	VBG
12787	3460	944	power	power	NN
12787	3460	945	of	of	IN
12787	3460	946	Quantitative	Quantitative	NNP
12787	3460	947	Analyses	Analyses	NNPS
12787	3460	948	,	,	,
12787	3460	949	subdivisions	subdivision	NNS
12787	3460	950	of	of	IN
12787	3460	951	Reagents	Reagents	NNP
12787	3460	952	,	,	,
12787	3460	953	strength	strength	NN
12787	3460	954	of	of	IN
12787	3460	955	Reducing	Reducing	NNP
12787	3460	956	solution	solution	NN
12787	3460	957	,	,	,
12787	3460	958	normal	normal	JJ
12787	3460	959	Reductor	Reductor	NNP
12787	3460	960	,	,	,
12787	3460	961	Jones	Jones	NNP
12787	3460	962	Reversible	Reversible	NNP
12787	3460	963	reactions	reaction	NNS
12787	3460	964	Silica	Silica	NNP
12787	3460	965	,	,	,
12787	3460	966	determination	determination	NN
12787	3460	967	of	of	IN
12787	3460	968	,	,	,
12787	3460	969	in	in	IN
12787	3460	970	limestone	limestone	NN
12787	3460	971	determination	determination	NN
12787	3460	972	of	of	IN
12787	3460	973	,	,	,
12787	3460	974	in	in	IN
12787	3460	975	silicates	silicate	NNS
12787	3460	976	purification	purification	NN
12787	3460	977	of	of	IN
12787	3460	978	Silicic	Silicic	NNP
12787	3460	979	acid	acid	NN
12787	3460	980	,	,	,
12787	3460	981	dehydration	dehydration	NN
12787	3460	982	of	of	IN
12787	3460	983	Silver	silver	NN
12787	3460	984	,	,	,
12787	3460	985	determination	determination	NN
12787	3460	986	of	of	IN
12787	3460	987	in	in	IN
12787	3460	988	coin	coin	NN
12787	3460	989	Soda	Soda	NNP
12787	3460	990	ash	ash	NN
12787	3460	991	,	,	,
12787	3460	992	alkaline	alkaline	NN
12787	3460	993	strength	strength	NN
12787	3460	994	of	of	IN
12787	3460	995	Sodium	Sodium	NNP
12787	3460	996	chloride	chloride	NN
12787	3460	997	,	,	,
12787	3460	998	determination	determination	NN
12787	3460	999	of	of	IN
12787	3460	1000	chlorine	chlorine	NN
12787	3460	1001	in	in	IN
12787	3460	1002	Solubility	solubility	NN
12787	3460	1003	product	product	NN
12787	3460	1004	Solution	solution	NN
12787	3460	1005	pressure	pressure	NN
12787	3460	1006	Solutions	Solutions	NNPS
12787	3460	1007	,	,	,
12787	3460	1008	normal	normal	JJ
12787	3460	1009	standard	standard	JJ
12787	3460	1010	Standardization	Standardization	NNP
12787	3460	1011	,	,	,
12787	3460	1012	definition	definition	NN
12787	3460	1013	of	of	IN
12787	3460	1014	Standard	standard	JJ
12787	3460	1015	solutions	solution	NNS
12787	3460	1016	,	,	,
12787	3460	1017	acidimetry	acidimetry	NN
12787	3460	1018	and	and	CC
12787	3460	1019	alkalimetry	alkalimetry	NN
12787	3460	1020	chlorimetry	chlorimetry	NN
12787	3460	1021	iodimetry	iodimetry	NN
12787	3460	1022	oxidizing	oxidize	VBG
12787	3460	1023	and	and	CC
12787	3460	1024	reducing	reduce	VBG
12787	3460	1025	agents	agent	NNS
12787	3460	1026	thiocyanate	thiocyanate	VBP
12787	3460	1027	Starch	Starch	NNP
12787	3460	1028	solutions	solution	NNS
12787	3460	1029	Stibnite	Stibnite	NNP
12787	3460	1030	,	,	,
12787	3460	1031	determination	determination	NN
12787	3460	1032	of	of	IN
12787	3460	1033	antimony	antimony	NN
12787	3460	1034	in	in	IN
12787	3460	1035	Stirring	Stirring	NNP
12787	3460	1036	rods	rod	NNS
12787	3460	1037	Stoichiometry	Stoichiometry	NNP
12787	3460	1038	Strength	Strength	NNP
12787	3460	1039	of	of	IN
12787	3460	1040	reagents	reagent	NNS
12787	3460	1041	Suction	suction	NN
12787	3460	1042	,	,	,
12787	3460	1043	use	use	NN
12787	3460	1044	of	of	IN
12787	3460	1045	Sulphur	Sulphur	NNP
12787	3460	1046	,	,	,
12787	3460	1047	determination	determination	NN
12787	3460	1048	of	of	IN
12787	3460	1049	in	in	IN
12787	3460	1050	ferrous	ferrous	JJ
12787	3460	1051	ammonium	ammonium	NN
12787	3460	1052	sulphate	sulphate	NN
12787	3460	1053	in	in	IN
12787	3460	1054	barium	barium	NN
12787	3460	1055	sulphate	sulphate	NN
12787	3460	1056	Temperature	temperature	NN
12787	3460	1057	,	,	,
12787	3460	1058	corrections	correction	NNS
12787	3460	1059	for	for	IN
12787	3460	1060	Testing	testing	NN
12787	3460	1061	of	of	IN
12787	3460	1062	washings	washing	NNS
12787	3460	1063	Theory	Theory	NNP
12787	3460	1064	of	of	IN
12787	3460	1065	electrolytic	electrolytic	JJ
12787	3460	1066	dissociation	dissociation	NN
12787	3460	1067	Thiocyanate	Thiocyanate	NNP
12787	3460	1068	process	process	NN
12787	3460	1069	for	for	IN
12787	3460	1070	silver	silver	NN
12787	3460	1071	Titration	titration	NN
12787	3460	1072	,	,	,
12787	3460	1073	definition	definition	NN
12787	3460	1074	of	of	IN
12787	3460	1075	Transfer	Transfer	NNP
12787	3460	1076	of	of	IN
12787	3460	1077	liquids	liquid	NNS
12787	3460	1078	Volumetric	Volumetric	NNP
12787	3460	1079	analysis	analysis	NN
12787	3460	1080	,	,	,
12787	3460	1081	definition	definition	NN
12787	3460	1082	of	of	IN
12787	3460	1083	general	general	JJ
12787	3460	1084	directions	direction	NNS
12787	3460	1085	Wash	Wash	NNP
12787	3460	1086	-	-	HYPH
12787	3460	1087	bottles	bottle	NNS
12787	3460	1088	Washed	Washed	NNP
12787	3460	1089	filters	filter	NNS
12787	3460	1090	Washing	wash	VBG
12787	3460	1091	of	of	IN
12787	3460	1092	precipitates	precipitate	NNS
12787	3460	1093	Washings	Washings	NNP
12787	3460	1094	,	,	,
12787	3460	1095	testing	testing	NN
12787	3460	1096	of	of	IN
12787	3460	1097	Water	Water	NNP
12787	3460	1098	,	,	,
12787	3460	1099	ionization	ionization	NN
12787	3460	1100	of	of	IN
12787	3460	1101	densities	density	NNS
12787	3460	1102	of	of	IN
12787	3460	1103	Weights	Weights	NNPS
12787	3460	1104	,	,	,
12787	3460	1105	care	care	NN
12787	3460	1106	of	of	IN
12787	3460	1107	Zimmermann	Zimmermann	NNP
12787	3460	1108	-	-	HYPH
12787	3460	1109	Reinhardt	Reinhardt	NNP
12787	3460	1110	method	method	NN
12787	3460	1111	for	for	IN
12787	3460	1112	iron	iron	NN
12787	3460	1113	Zinc	Zinc	NNP
12787	3460	1114	,	,	,
12787	3460	1115	determination	determination	NN
12787	3460	1116	of	of	IN
12787	3460	1117	,	,	,
12787	3460	1118	in	in	IN
12787	3460	1119	brass	brass	NN