IS 14644-2: Part 2 Determination of cobalt content

9 Pages·1998·1.1 MB·English

by  Bureau of Indian Standards

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IS 14644-2 (1998): Part 2 Determination of cobalt content
[MTD 9: Lead, Zinc, Cadmium, Tin, Antimony and their
Alloys]
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IS 14644 (Part 2) : 1998
IS0 7530 - 2 : 1990
lndian Standard
NICKEL SYOLLA - EMALF CIMOTA NOITPROSBA
SPECTROMETRIC SISYLANA - METHOD
PART 2 DETERMINATION OF COBALT CONTENT
ICS 77.120.40

QBIS 1998
*

BUREAU OF INDIAN STANDARDS
MANAK BHAVAN, 9 BAHADUR SHAH ZAFAR MARG
NEW DELHI 110002
December 1998 ? Price Group 2
r’,,. \
sdohteM of latnemurtsnI/lacimehC sisylanA of suorref-noN slateM lanoitceS ,eettimmoC DTM 82
LANOITAN FOREWORD
sihT naidnI dradnatS traP( )2 hcihw si lacitnedi htiw 0SI 2-0357 : 0991 lekciN‘ syolla - emalF
cimota noitprosba cirtemortceps sisylana - traP 2 : noitanimreteD of tlaboc ’tnetnoc deussi yb eht
lanoitanretnI noitazinagrO for noitazidradnatS )OSI( saw detpoda yb eht uaeruB of naidnI sdradnatS
no eht snoitadnemmocer of eht sdohteM of latnemurtsnI/lacimehC sisylanA of suorref-noN slateM
lanoitceS eettimmoC dna lavorppa of eht lacigrullateM gnireenignE noisiviD .licnuoC
ehT txet of eht evoba denoitnem 0SI dradnats sah neeb devorppa sa elbatius for noitacilbup sa
naidnI dradnatS tuohtiw .snoitaived niatreC snoitnevnoc ,era ,revewoh ton lacitnedi ot esoht desu ni
naidnI .sdradnatS noitnettA si ylralucitrap nward ot eht gniwollof :
)a reverehW eht sdrow lanoitanretnI‘ ’dradnatS raeppa gnirrefer ot siht ,dradnats yeht dluohs eb
daer sa naidnI‘ .’dradnatS
)b Comma J( sah neeb desu sa a lamiced rekram elihw ni naidnI ,sdradnatS eht tnerruc
ecitcarp si ot esu a tniop ).( sa eht lamiced .rekram
nI siht detpoda ,dradnats ecnerefer sraeppa ot niatrec lanoitanretni sdradnats for hcihw naidnI
sdradnatS osla .tsixe ehT gnidnopserroc naidnI sdradnatS hcihw era ot eb detutitsbus ni rieht ecalp
era detsil woleb gnola htiw rieht eerged of ecnelaviuqe for eht snoitide detacidni :
lanoitanretnI
Corresponding Degree of
Standard Indian Standard Equivalence
0SI 5725 : 6891 SI 5420 traP( 2) : 3791 ediuG no noisicerp toN tnelaviuqE
of tset :sdohtem traP 2 yrotarobal-retnI
gnitset
0SI l-0357 : 0991 SI 14644 traP( )1 : 8991 lekciN syolla - lacitnedI

emalF cimota noitprosba cirtemortceps

sisylana - :dohteM traP 1 lareneG
stnemeriuqer dna elpmas noitulossid
sihT dradnats sah neeb deussi ni enin .strap rehtO strap of siht dradnats era :
traP 1 lareneG stnemeriuqer dna elpmas noitulossid
traP 3 noitanimreteD of muimorhc tnetnoc
traP 4 noitanimreteD of reppoc tnetnoc
traP 5 noitanimreteD of nori tnetnoc
traP 6 noitanimreteD of esenagnam tnetnoc
traP 7 noitanimreteD of muinimula tnetnoc
traP 8 noitanimreteD of nocilis tnetnoc
traP 9 noitanimreteD of muidanav tnetnoc
straP ,7 8 dna 9 lliw eb deussi ni eud esruoc .
nI gnitroper eht stluser of a tset ro sisylana edam ni ecnadrocca htiw siht ,dradnats if eht lanif ,eulav
devresbo ro ,detaluclac si ot eb dednuor off, ti llahs eb enod ni ecnadrocca htiw SI 2 : 0691 seluR‘
for gnidnuor off laciremun seulav
(revised)‘.
IS 14644 ( Part 2) : 1998
IS0 7530-2 : 0991
Indian Standard
NICKEL SYOLLA - EMALF CIMOTA NOITPROSBA
SPECTROMETRIC SISYLANA -METHOD
PART 2 DETERMINATION OF COBALT CONTENT
1 scope 3 Principle
sihT trap fo 0SI 0357 seificeps a emalf cimota -ba noitulossiD fo a tset noitrop ni dica dna noitaripsa
noitpros spectrometric dohtem rof eht noitanimreted fo eht tset noitulos otni na enelyteca-ria emalf fo na
fo tlaboc ni eht egnar fo lO,0 % (m/m) ot 4 % (m/m) cimota noitprosba spectrometer.
ni lekcin .syolla lacipyT snoitisopmoc fo some lekcin
tnemerusaeM fo eht ecnabrosba fo eht ecnanoser
syolla era nevig ni 0SI .l-0357 xenna .B
enil ygrene from eht murtceps fo tlaboc dna com-
ehT lareneg stnemeriuqer gninrecnoc eht -rappa. nosirap htiw taht fo noitarbilac snoitulos ta a -evaw
,suta ,gnilpmas noitulossid fo eht tset ,elpmas htgnel fo 7,042 .mn
cimota noitprosba ,stnemerusaem snoitaluclac dna
tset troper era nevig ni 0SI .I-0357
4 Reagents
nI noitidda ot eht stnegaer detsil ni 0SI ,1-0357 eht
gniwollof laiceps stnegaer era .deriuqer

2 Normative references
1.4 Strontium chloride. .noitulos
ehT gniwollof sdradnats niatnoc snois’ivorp ,hcihw
refsnarT 5,311 g fo muitnorts edirolhc etardyhaxeh
hguorht ecnerefer ni siht ,txet etutitsnoc snoisivorp )O,HG.,ICrS( ot a 006 ml beaker, evlossid ni 004 ml
fo siht trap fo 0SI .0357 tA eht time fo ,noitacilbup fo toh retaw 05( “C ot 06 “C), looc dna refsnart ot a
eht snoitide detacidni erew .dilav llA sdradnats era
0001 ml one-mark cirtemulov .ksalf ekaM pu ot eht
tcejbus ot ,noisiver dna seitrap ot stnemeerga desab mark htiw retaw dna .xim ehT muitnorts edirolhc
no siht trap fo 0SI 0357 era degaruocne ot -itsevni
dluohs eb eerf fo yvaeh .slatem
etag eht ytilibissop fo gniylppa eht most tnecer -ide
snoit fo eht sdradnats detacidni .woleb Members fo
CEI dna 0SI niatniam sretsiger fo yltnerruc dilav 4.2 Cobalt, dradnats ecnerefer noitulos 000,1( .)l/g
lanoitanretnI .sdradnatS
,hgieW ot eht tseraen 100,0 ,g 000,1 g fo tlaboc latem
0SI ,6891:5275 Precision of test methods - Determi- fo 9,99 % (m/m) muminim ytirup dna refsnart ot a
nation of repeatability and reproducibility for a stan- 004 ml beaker. ddA 03 ml fo cirolhcordyh dica
dard test method by infer-laboratory tests. u2p( = 81,I g/ml) detulid 1 + 1 dna taeh ot com-
etelp .noitulossid ,looC refsnart ot a 0001 ml -eno
0SI ,)‘--:l-0357 Nickel syolla - Flame atomic ab- mark cirtemulov ksalf dna dda 53 ml fo cirolhcordyh
sorption spectrometric analysis - Part I: General dica u2p( = 81,I g/ml). ekaM pu ot eht mark htiw
requirements and sample dissolution. ,retaw xim dna erots ni a enelyhteylop .elttob

oT
1) be published.
1
IS 14644 (Part2): 1996
Is0 7530-2 : 1990
4.3 Cobalt, dradnats noitulos 05( .)l/gm muitnorts edirolhc noitulos )1.4( dna 5 lm fo
cirolhcordyh dica c2p( = 81,I .)lm/g ekaM pu ot eht
ettepiP 05 lm fo eht tlaboc dradnats ecnerefer -los kram htiw retaw dna .xim
noitu )2.4( otni a 0001 lm kram-eno cirtemulov ksalf
dna dda 05 lm fo cirolhcordyh dica e2p( =
81,I .)lm/g ekaM pu ot eht kram htiw ,retaw xim dna 7.2 Reagent blank solution
erots ni a enelyhteylop .elttob
yrraC tuo a knalb tset ni lellarap htiw eht -imreted
,noitan gniwollof eht emas erudecorp dna gnisu eht
5 Apparatus emas seititnauq fo lla eht .stnegaer
ehT sutarappa deriuqer is deificeps ni esualc 5 fo
7.3 Cobalt calibration solutions b
0SI .l-0357
gnisU ,settepip refsnart ot hcae fo evif 001 lm -eno
6 Sampling and sample preparation kram cirtemulov ,sksalf 0 ,lm 5 ,lm 01 ,lm 51 lm dna
02 lm fo tlaboc dradnats noitulos .)3.4( ddA 4 lm fo
refeR ot esualc 6 fo 0SI I-0357 muitnorts edirolhc noitulos )1.4( dna 5 lm fo
cirolhcordyh dica 02~( = 81.1 .)lm/g ekaM pu ot eht
kram htiw retaw dna .xim
7 Procedure
7.4 Calibration and determination
7.1 Preparation of test solution
7.4.1 Atomic absorption measurements
deecorP sa detcerid ni 1.1.7 ot 4.1.7 fo 0SI I-0357
deecorP sa detcerid ni 1.4.7 fo 0SI ,1-0357 gnisu a
7.1.1 Primary dilutions htgnelevaw fo 7,042 mn dna na enelyteca/ria .emalf
7.1.1.1 initial dilution for 0,Ol % (m/m) to
2.4.7 Preparation of calibration graphs
0,lO % (m/m) cobalt
deecorP sa detcerid ni 2.4.7 fo 0SI I-0357
refsnarT eht tset noitulos )1.7( ot a 001 lm kram-eno
cirtemulov .ksalf ddA 4 lm fo muitnorts edirolhc -los
noitu .)1.4( ekaM pu ot eht kram htiw retaw dna .xim 7.5 Number of determinations
evomeR yna stcudorp fo sisylordyh yb tnemelttes
dna yrd noitartlif ro yb .gnigufirtnec yrraC tuo eht noitanimreted ta tsael ni .etacilpud
7.1.1.2 Initial dilution for 0,l % (m/m) to
8 Expression of results
4,0 % (m/m) cobalt

refsnarT eht tset noitulos )1.7( ot a 005 lm kram-eno 8.1 Calculation
cirtemulov .ksalf ddA 02 lm fo cirolhcordyh dica
02~( = 81,1 .)lm/g ekaM pu ot eht kram htiw retaw deecorP sa detcerid ni 1.8 fo 0SI I-0357
dna .xim evomeR yna stcudorp fo sisylordyh yb
tnemelttes dna yrd noitartlif ro yb .gnigufirtnec
8.2 Precision
2.1.7 Secondary dilutions
8.2.1 Laboratory tests
7.1.2.1 Secondary dilution for 0,4 % (VI/~?) to evlewT seirotarobal ni xis seirtnuoc detapicitrap ni
0,8 % (m/m) cobalt eht gnitset fo siht erudecorp gnisu evif selpmas fo
lanimon noitisopmoc nevig ni elbat .1
ettepiP 05 lm fo eht noitulos morf 2.1.1.7 otni a
001 lm kram-eno cirtemulov .ksalf ddA 4 lm fo
muitnorts edirolhc noitulos )1.4( dna 3 lm fo 2.2.8 Statistical analysis
cirolhcordyh dica e2p( = 81,1 .)lm/g ekaM pu ot eht
kram htiw retaw dna .xim 8.2.2.1 stluseR erew detaert gnidrocca ot 0SI 5275
sa debircsed ni 2.2.8 fo 0SI .I-0357 ehT stluser fo
siht sisylana era nevig ni .2elbat
7.1.2.2 Secondary dilution for 0,4 % (m/m) to
4 % (m/m) cobalt
2.2.2.8 eerhT *seirotarobal erew detcejer sa
ettepiP IO lm fo eht noitulos morf 2.1.1.7 otni a narhcoC ;sreiltuo owt rof elpmas 528 dna eno rof
001 lm kram-eno cirtemulov .ksalf ddA 4 lm fo elpmas .7293
2
IS 14644 ( Part Y) I f9SB
IS0 7530-2 : 1998
9 lest report
Refer to clause 9 of IS0 7530-I.
Table 1 - Nominal compsftfon of test samples [ % (m/m)J
Sample Al co Cr cu Fe Mn Ni si n
825 092 0,07 21 196 30 u,7 Remainder 0”;“5 1,l
902 O-4 0,05 0,04 48 0,4 Remainder 2,5
3920 0,15 2 1”9 0,l 3 093 Remainder d,6 23
3927 091 1 20 0,05 44 0,4 Remainder 098 0,6
7049 1 0,Ol 15 0,15 7 078 Remainder O-3 2,3
,
Table 2 - Results of statisticala nalysis
Between
Within-laboratory
laboratory
Sample reference Mean % (m/m) standard Repeatability Reproducibility
standard
deviation
deviation
825 0,067 0,000 6 0,002 1 0.0016 0,006 0
902 0,046 0,001 2 0,001 7 0,003 5 0,006 0
3920 2,Ol 0.029 o,o 0,082 0,082
3927 1,03 0,016 0,022 0,045 0,077
7049 0,007 2 0,000 2 0,000 9 0.000 6 0,002 6
L
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Amendments Issued Since Publication
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