IS 13381: Potassium Carbonate, Anhydrous and Sesquihydrate, Photographic Grade

12 Pages·1992·1.3 MB·English

by  Bureau of Indian Standards

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IS 13381 (1992): Potassium Carbonate, Anhydrous and
Sesquihydrate, Photographic Grade [CHD 5: Electroplating
Chemicals and Photographic Materials]
“!ान $ एक न’ भारत का +नम-ण”
Satyanarayan Gangaram Pitroda
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“!ान एक ऐसा खजाना > जो कभी च0राया नहB जा सकता हहहहै””ै”
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IS 13381 : 1992
wr+r w-v5

Indian Standard
POTASSIUMCARBONATE,ANHYDROUSAND
SESQUIHYDRATE,PHOTOGRAPHICGRADE-
SPECIFICATION
UDC 661’311:771’7

@ BIS 1992
t
BUREAU OF INDIAN STANDARDS
MANAK BHAVAN, 9 BAHADUR SHAH ZAFAR MARG

NEW DELHI 110002
November 1992 Price Group 3
cihpargotohP lanoitceS:slairetaM ,eettimmoC DHC 004
FOREWORD
sihT naidnI dradnatS was detpoda yb eht uaeruB fo naidnI Standards, retfa eht tfard dezilanif yb eht
cihpargotohP slairetaM lanoitceS eettimmoC had neeb devorppa yb eht lacimehC noisiviD .licnuoC
suordyhnA muissatop etanobrac ( K2CO3 ) has ralucelom mass fo 12’831 and muissatop tanobrac ,
etardyhiuqses ( K2CO3. I o&5. ) has ralucelom mass fo 165.22.
sihT standard is desab no ISNA .4HP ,7691-922 dehsilbup yb eht naciremA lanoitaN Standards
.noitutitsnI
roF eht esoprup fo gnidiced rehtehw a ralucitrap tnemeriuqer fo this standand is deilpmoc ,htiw eht
lanif ,eulav devresbo ro ,detaluclac gnisserpxe eht tluser fo a tset ro ,sisylana shall eb dednuor ffo ni
ecnadrocca htiw SI 2 : 1960 seluR‘ rof gnidnuor ffo laciremun seulav ( ehT rebmun fo
revised >‘.
tnac;’ingis secalp deniater ni eht dednuor ffo eulav dluohs eb eht emas as that fo eht deificeps eulav ni
this standard.
IS 13381:1992
Indian Standard
POTASSIUMCARBONATE,ANHYDROUSAND
SESQUIHYDRATE,PHOTOGRAPHICGRADE-
SPECIFICATION
4.3 ehT lairetam shall osla ylpmoc htiw eht
1 SCOPE
stnemeriuqer debircserp ni elbaT 1 nehw detset yb
sihT standard sebircserp stnemeriuqer and eht sdohtem nevig ni xennA A. ehT ecnerefer ot
sdohtem fo sampling and tset rof muissatop tnaveler sesualc fo xennA A is nevig ni 1oc 4 fo
,etanobrac suordyhna and ,etardyhiuqses elbaT .1
cihpargotohp edarg rof esu ni gnissecorp fo
cihpargotohp .slairetam 5 PACKTNG AND MARKING
2 REFERENCES 5.1 Packing
ehT naidnI Standards detsil woleb era yrassecen ehT lairetam shall eb dekcap ni elbatius thgitria
stcnujda ot this standard: selttob ro as deerga ot neewteb eht resahcrup and
eht .reilppus
ISNO. Tirle 5.2 Marking
264 : 1976 cirtiN dica ( second revision ) ehT reniatnoc shall eb yleruces desolc and ylbigel
1070 : 1992 tnegaeR edarg retaw - and ylbiledni dekram htiw eht gniwollof
noitacificepS ( :noitamrofni
third revision )
a>
4905 : 1968 sdohteM rof modnar emaN fo eht ,lairetam
sampling
b) teN mass fo eht ,lairetam
3 GRADES 4 etaD fo ,erutcafunam
3.1 ehT lairetam shall eb fo gniwollof owt :sedarg 4 noitacidnI fo eht ecruos fo ,erutcafunam
and
)a edarG 1 suordyhnA-
)b edarG etardyhiuqseS-2 4 hctaB ro tol rebmun ni edoc ro esiwrehto
ot elbane eht hctab fo erutcafunam ot eb
4 REQUIREMENTS decart morf .sdrocer

4.1 Description 6 SAMPLING

suordyhnA muissatop ,etanobrac cihpargotohp The dohtem fo gniward evitatneserper tset samples
edarg shall eb ni eht mrof fo etihw selunarg ro fo eht lairetam and rieht airetirc rof ytimrofnoc
.redwop etardyhiuqseS muissatop ,etanobrac ot this standard shall eb as debircserp ni xennA .B
cihpargotohp edarg shall eb ni eht mrof fo
sselruoloc .slatsyrc 7 QUALITY OF REAGENTS
Unless. deificeps ,esiwrehto erup slacimehc and
4.2 Solution in Water
dellitsid retaw ( ees SI 1070 : 1992 ) shall eb desu
A ylhserf deraperp suoeuqa noitulos fo eht ni .stset
lairetam gniniatnoc 20 g fo eht elpmas ni 100 lm
NOTE - eruP‘ ’slacimehc llahs naem slacimehc taht
fo retaw shall eb raelc and eerf morf tnemides od ton niatnoc seitirupmi hcihw tceffa eht stluser fo
rehto than slight .ecneluccolf .sisylana
IS 13381 : 1992
Table 1 Requirements for Potassium Carbonate, Anhydrous and Sesquihydrate, Photographic Grade
( Clause 4.3 >
SI No. Characteristic Requirements Methods of Test, Ref to Cl No.
r-___~-_--7 in Annex A
edarG 1 edarG 2
(1) (2) (3) (4) (5)
)i yassA ( sa SOCBK ,) 98.5, Min 98’5-102.0 l-A
tnecrep yb ssam
)ii ,etanobraciB tnecrep
yb ,ssam Max 0’25 0’4 2-A
)iii eerF alkali ( sa HOK ,)
tnecrep yb ,ssam Max 0’2 0’2 3-A
)vi yvaeH slatem ( sa bP .)
tnecrep yb ,ssam xaM 100’0 1000 4-A
)v norI ( sa eF ,) tnecrep
yb ,ssam Max 0’001 0’001 5-A
)iv sedilaH ( sa lC ,) tnecrep
yb ,ssam Max 0’03 0’03 6-A
)iiv noitcaeR‘ ot lacainomma
revlis etartin To ssap tset To ssap tset l-A
)iiiv elitaloV ,rettam tnecrep
yb ,ssam Max 2’0 - 8-A
ANNEX A
( Clause 4.3 )
METHODS OF TEST FOR POTASSIUM CARBONATE, ANHYDROUS AND
SESQUIHYDRATE, PHOTOGRAPHIC GRADE
l-A ASSAY A-2 DETERMINATION OF BICARBONATE
A-l.1 Reagents A-2.1 Reagents
A-1.1.1 Hydrochloric Acid - 1’0 M. A-2.1,1 Standard Barium Chloride Solution
A-1 .I .2 Methyl Orange Indicator hgieW 24 g fo muirab ,edirolhc etardyhid and
Add 0.1 g fo lyhtem egnaro ot 100 lm fo ,retaw refsnart ot a 0OI lm cirtemulov .ksalf evlossiD
rits litnu .devlossid ni retaw dna ekam otpu eht .kram

A.1.2 erudecorP
2.1.2-A
Phenolphthalein Indicator
ecalP tuoba 0’3 g fo eht elpmas otni a derat
hgieW 1’0 g fo nielahthplonehp and evlossid ni
gnihgiew .elttob hgieW ot eht tseraen 000’0 1 g
60 lm fo lyhte .lohocla etuliD ot 100 lm htiw
and evlossid eht elpmas ni yletamixorppa 50 lm
.retaw
fo .retaw Add 2 spord fo lyhtem egnaro rotacidni
and etartit htiw cirolhcordyh dica litnu eht 3.1.2-A 0.1 M.
Sodium Hydroxide Solution --
ruoloc segnahc morf wolley ot .der
A-2.1.4 Carbon-dioxide Free Water
3.l-A noitaluclaC
lioB dellitsid retaw rof 20 ,setunim looc and erots
yassA ( as sOCzK ,) ni a dereppots .elttob
V
tnecrep yb mass = _____ A4 x 6’9 1
2.2-A Procedure
lM
and yassA ( as .sOCzK OzH5’1 ) = p” evlossiD 5’2 + 1’0 g fo eht elpmas ni
yletamixorppa 30 lm fo edixoid-nobrac eerf retaw
erehw ni a 100~ml dereppots lacinoc .ksalf Add 25 lm
v = emulov ni lm fo cirolhcordyh ;desu fo muirab edirolhc noitulos lartuen ot
nielahthplonebp and add 10 spord fo
M= ytiralom fo cirolhcordyh ;dica and
nielahthplonehp .rotacidni reppotS and swirl.
Ml = mass ni g fo eht elpmas nekat rof fI eht noitulos has a knip ,~uoloc deecorp
eht .tset yletaidemmi ot .3-A fI eht noitulos is ,sselruoloc
2
SI 13381 : 1992
etartit htiw 1’0 M muidos edixordyh .noitulos 5 lm fo negordyh edihplus .noitulos etuliD ot
toN erom than I lm fo 1’0 M muidos edixordyh 50 .lm
noitulos shall eb deriuqer ot ecudorp eht tsrif
ecnaraeppa fo a tniaf knip ruoloc hcihw persists 3.2.4-A ehT lairetam shall eb deredisnoc ot evah
rof 30 .sdnoces passed eht tnemeriuqer fo eht tset fi eht ruoloc
decudorp ni eht elpmas noitulos is ton erom
3-A NOITANlMRETED FO EERF ILAKLA esnetni than that decudorp ni eht standard
.noitulos
1.3-A stnegaeR
1.1.3-A 1’0 M. 5-A NOITANIMRETED FO IRON
Hydrochloric Acid -
1.5-A stnegaeR
2.3-A erudecorP
1.1.5-A Hp 5
fI eht noitulos has a knip ruoloc .retfa eht noitidda Acetate Bufer
fo eht rotacidni deificeps ni ,2.2-A etartit htiw Add 23 g fo suordyhna muidos etateca ot 58 lm
1’0 M cirolhcordyh .dica toN erom than 5’4 lm fo 2 ralom citeca dica and etulid ot 1 000 lm
fo 1’0 M cirolhcordyh llahsydit eb deriuqer ot htiw .retaw Adjust eht lanif Hp fo eht noitulos
egrahcsid eht knip .ruoloc ot 0’5 + 1’0 htiw citeca dica ro 10 tnecrep muidos
edixordyh ( HOaN ) .noitulos
4-A NOITANIMRETED FO YVAEH SLATEM
2.1.5-A
0.4-A lareneG o-phenanthroline Mixture
ylhguorohT xim lauqe parts fo 1’0 tnecrep suoeuqa
ehT ruoloc decudorp yb yvaeh slatem ni eht
noitulos fo ,enilorhtnanehp-o 10 tnecrep
elpmas no gnitaert htiw negordyh edihplus is
yxordyh enima edirolhcordyh noitulos ni retaw
derapmoc htiw that decudorp htiw standard dael
and Hp 5 etateca .reffub
noitulos rednu lacitnedi .snoitidnoc
1.4-A stnegaeR‘ 3.1.5-A Standard Iron Solution
1.1.4-A OI tnecrep evlossiD 207’0 g fo suorref muinomma etahplus
Dilute Ammonium Hydroxide -
( [ .aOSeF ( 4HN Z) ( 4OS Z) O2H6 I ni 10 lm etulid
m/m ).
ciruhplus dica and etulid htiw retaw ot 1 000 lm
2.1.4-A Dilute Hydrochloric Acid - yletamixorppa and xim .ylhguoroht etuliD 100 lm fo this noitulos
0.1 M. again ot 1 000 lm htiw .retaw enO ertilillim fo
this noitulos sniatnoc CO1 gm fo nori ( as eF .)
3.1.4-A tnecrep
p-Nitrophenol Indicator - 0’25
suoeuqa noitulos ( v/m .) 2.5-A erudecorP
4.1.4-A Hydrogen Sulphide - detarutas suoeuqa evlossiD 1 g fo eht elpmas ni 40 lm fo .retaw
.noitulos
Add 5 lm fo eht enilorhtnanehp-o erutxim and
tel stand rof 10 .setunim etuliD ot 50 lm htiw
5.1.4-A
Standard Lead Solution
retaw and xim .llew ynA ruoloc decudorp shall
hgieW yletarucca 06’1 g fo dael etartin and add ton eb retaerg than that decudorp yb a ylhserf
50 lm fo cirtin dica fo lacitylana tnegaer .edarg deraperp noitulos fo a elbulos nori salt tnelaviuqe

evlossiD ni retaw and etulid ot 1 000 lm htiw ot 10’0 gm fo nori gniniatnoc 2 lm fo 1 tnecrep
.retaw ettepiP tuo 10 lm fo this noitulos and ( v/v ) cirolhcordyh ,dica and detaert ni eht emas
etulid rehtruf ot 1 000 lm htiw ,retaw ylhserf nehw rennam as that fo .elpmas esU relsseN srednilyc
.deriuqer enO ertilillim fo eht gnitluser noitulos rof .nosirapmoc ehT elpmas shall eb deredisnoc
sniatnoc 10’0 gm fo dael ( as bP .) ot evah passed eht tnemeriuqer fo eht tset fi eht
ruoloc decudorp htiw eht elpmas is ton rekrad
2.4-A erudecorP than that htiw eht standard .noitulos
1.2.4-A evlossiD 00’2 g fo eht lairetam ni 25 lm fo
6-A NOlTANIMRETED FO SEDILAH
retaw ni a relsseN rednilyc and add a wef spord fo
lonehportin-p rotacidni and neht add muinomma 1.6-A Apparatus
edixordyh ,esiwpord litnu eht noitulos turns
1.1.6-A .yticapac
.wolley Add etulid cirolhcordyh dica ,esiwpord Nessler Cylinders - 50-m]
litnu eht noitulos semoceb sselruoloc again and 2.6-A stnegaeR
neht add 0.5 lm ni .ssecxe Add 5 lm fo negordyh
edihplus noitulos and etulid ot 50 .lm 1.2.6-A Silver Nitrate Solution - 10 .tnecrep
2.2.4-A At eht emas emit refsnart 2 lm fo standard 2.2.6-A Nitric Acid - detartnecnoc ( ees SI 264 :
dael noitulos otni rehtona relsseN rednilyc and 1976 )
redner ti lartuen ot lonehportin-p rotacidni yb
3.2.6-A
using etulid muinomma edixordyh and etulid Standard Chloride Solution
cirolhcordyh dica as debircsed ni .1.2.5-A Add evlossiD 0.165 g fo muidos edirolhc ni retaw and
0.5 lm fo etulid cirolhcordyh dica ni ssecxe and ekam ti ot 100 .lm etuliD 10 lm fo this noitulos
3
IS 13381 : 1992
ot 100 lm htiw .retaw 1 lm fo eht detulid noitulos teL stand rof 2 setunim and erapmoc htiw a blank
sniatnoc 000’0 1 g fo enirolhc ( as Cl .) deraperp yb adding 5 lm fo detartnecnoc
muinomma edixordyh noitulos ot a noitulos fo
3.6-A erudecorP
1 g fo eht elpmas devlossid ni 25 lm fo .retaw oN
ruoloc ro etatipicerp ni ssecxe fo that decudorp ni
evlossiD 1 + 10’0 g fo eht elpmas ni 40 lm fo
eht blank dluohs eb .elbaeciton
retaw ni a lm-05 relsseN .rednilyc Add 2 spord
fo detartnecnoc cirtin ,dica 2 spord fo 10 tnecrep 8-A NOITANIMRETED FO ELITALOV
revlis etartin ,noitulos etulid ot eht kram htiw RETTAM
retaw and xim .ylhguoroht
1.8-A erudecorP
1.3.6-A nI rehtona relsseN ,rednilyc ekat 0’3 lm
fo standard edirolhc noitulos and taert ti ekaT tuoba 3 g fo eht elpmas ni a glass dereppots
.ylralimis erapmoC eht ytidibrut decudorp ni eht gnihgiew elttob and hgiew ot eht tseraen 000’0 1 g.
owt .srednilyc ehT elpmas shall eb deredisnoc ot yrD at 150°C rof ruof ,sruoh looc ni a rotaccised
evah passed eht tnemeriuqer fi eht ytidibrut and hgiew ot tnatsnoc mass ot eht tseraen
decudorp htiw eht elpmas is less than that htiw 000.0 I ;
eht standard .noitulos
2.8-A noitaluclaC
7-A AMMONIACAL REVLIS ETARTIN TSET
elitaloV ,rettam
1.7-A tnegaeR ( M - lM > x 001
tnecrep yb mass :
4A
xiM lauqe semulov fo 10 tnecrep revlis etartin
noitulos and detartnecnoc muinomma edixordyh erehw
.noitulos
121 = mass ni g fo eht lairetam nekat rof eht
2.7-A erudecorP ,tset and
evlossiD 1 g fo eht elpmas ni 20 lm fo .retaw Add Mu == mass ni g fo eht lalr’rtam deniatbo no
10 lm fo ylhserf deraperp tnegaer and xim .llew .gniyrd
ANNEX B
( Clause 6 1
GNILPMAS FO MUISSATOP ,ETANOBRAC SUORDYHNA AND ,ETARDYHIUQSES
CIHPARGOTOHP EDARG

B-l GENERAL REQUIREMENTS OF B-l.6 hcaE elpmas reniatnoc shall eb delaes -ria
thgit retfa ,gnillif and dekram htiw lluf sliated fo
SAMPLING
sampling, eht etad fo sampling and eht raey fo
B-1.0 nI gniward samples, eht gniwollof erutcafunam fo eht .lairetam
snoituacerp and snoitcerid shall eb .devresbo
2-B ELACS FO GNILPMAS
B-l.1 selpmaS shall ton eb nekat ni an desopxe
.ecalp 1.2-B toL
2.l-B snoituacerP shall eb nekat ot tcetorp eht
nI yna tnemngisnoc fo eht ,lairetam all eht
samples, eht lairetam gnieb ,delpmas eht sampling
sreniatnoc fo emas ezis and drawn morf a elgnis
tnemurtstni and eht sreniatnoc rof samples morf
hctab fo erutcafunam shall etutitsnoc a .tol fI a
suoititnevda .noitanimatnoc
tnemngisnoc is nwonk ot tsisnoc fo tnereffid
sehctab fo erutcafunam fo tnereffid sezis fo
3.l-B oT draw a sevitatneserper ,elpmas eht
stnetnoc fo hcae reniatnoc detceles rof sampling ,sreniatnoc neht eht sreniatnoc gnignoleb ot eht
shall eb dexim as ylhguoroht as elbissop yb emas hctab and ezis shall eb depuorg rehtegot and
elbatius .snaem hcae hcus puorg shall etutitsnoc a etarapes .tol
4.l-B ehT samples shall eb decalp ni ,naelc yrd 2.2-B roF gniniatrecsa eht ytimrofnoc fo eht tol
and thgit-ria glass ro rehto elbatius sreniatnoc ot eht stnemeriuqer fo eht ,noitacificeps stset
no hcihw eht lairetam has on .noitca shall eb deirrac tuo rof hcae tol .yletarapes ehT
rebmun fo sreniatnoc ( n ) ot eb detceles rof this
B-l.5 ehT elpmas sreniatnoc shall eb fo hcus a esoprup shall dneped no eht ezis fo eht tol ( N )
ezis that yeht era ylraen dellif yb eht .elpmas and shall eb ni ecnadrocca htiw elbaT 2.

4
IS 13381 : 1992
ehT gniniamer noitrop fo eht lairetam
Table 2 Scale of Sampling B-3.1.3
morf hcae reniatnoc ( retfa a small ytitnauq
( Clause B-2.2 )
dedeen rof eht noitamrof fo etisopmoc elpmas has
Lote Size Number of Containers neeb nekat ) shall ?b dedivid otni eerht lauqe
to be Selected parts, hcae trap gnihgiew ton less than 50 g.
esehT parts shall eb yletaidemmi derrefsnart ot
N II
ylhguoroht deird selttob hcihw era neht delaes
(1) (2)
thgit-ria htiw sreppots and dellebal htiw all eht
up ot 52 sralucitrap fo sampling nevig rednu .6.1-B ehT
62 ot 05 : lairetam ni hcae hcus delaes elttob shall etutitsnoc
15 ot 001 5
101 dna evoba 7 an laudividni tset .elpmas esehT laudividni
samples shall eb detarapes otni eerht lacitnedi sets
fo samples ni hcus a yaw that hcae tes has an
esehT sreniatnoc shall eb detceles at modnar
B-2.3
laudividni tset elpmas gnitneserper hcae reniatnoc
morf eht tol and ni redro ot erusne ssenmodnar
.detceles enO fo eseht eerht sets shall eb tnes ot
fo ,noitceles modnar sampling serudecorp nevig
eht ,resahcrup rehtona ot eht reilppus and eht
ni SI 4905 : 1968 yam eb .dewollof
driht shall eb desu as a eerefer .elpmas
3-B TSET SELPMAS AND EEREFER ELPMAS
2.3-B
1.3-B Referee Sample
Preparation of Test Samples
Draw htiw an etairporppa sampling ehT eerefer elpmas shall tsisnoc fo eht etisopmoc
B-3.1.1
,tnemurtsni a small noitrop ehtfo lairetam morf elpmas ( ees 3.1.3-B ) and a tes fo laudividni
tnereffid parts fo hcae reniatnoc .detceles ehT samples ( ees 2.1.3-B ) dekram rof this esoprup
latot ytitnauq fo eht lairetam drawn morf hcae and shall raeb eht seals fo eht resahcrup and eht
reniatnoc shall eb tneiciffus ot tcudnoc eht stset .reilppus esehT shall eb tpek at a ecalp deerga
rof eht scitsiretcarahc nevig ni elbaT 1 and dluohs ot neewteb eht resahcrup and eht reilppus and
eb .tuoba 400 g. shall eb desu ni esac fo etupsid neewteb eht .owt
2.1.3-B ylhguorohT xim all snoitrop fo eht
lairetam drawn morf eht emas .reniatnoc Out fo 4-B REBMUN FO STSET
eseht ,snoitrop a small tub lauqe ytitnauq shall
eb nekat morf hcae detceles reniatnoc and shall B-4.1 stseT rof noitanimreted fo yassa ( as
eb llew dexim up rehtegot os as ot mrof a zaN CO3 ,) tnecrep yb mass, shall eb detcudnoc
etisopmoc elpmas gnihgiew ton less than 800 g. no hcae fo eht laudividni samples.
sihT etisopmoc elpmas shall eb dedivid otni eerht
lauqe parts, eno rof eht ,resahcrup rehtona rof 2.4-B stseT rof all rehto scitsiretcarahc nevig ni
eht reilppus and eht driht ot eb desu as eerefer elbaT 1 shall eb detcudnoc no eht etisopmoc
.elpmas .elpmas

5