IS 13320: Determination of iron by atomic absorption spectrophotometry - Test method

9 Pages·1992·1.1 MB·English

by  Bureau of Indian Standards

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IS 13320 (1992): Determination of iron by atomic absorption
spectrophotometry - Test method [CHD 1: Inorganic
Chemicals]
“!ा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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“Knowledge is such a treasure which cannot be stolen”

Indian Standard
DETERMINATION OF IRON BY ATOMIC
ABSORPTION SPECTROPHOTOMETRY -
TEST METHOD
UDC 543’422 : 546’72

0 BIS 1992
BUREAU OF INDIAN STANDARDS
MANAK BHAVAN, 9 BAHADUR SHAH ZAPAR MARG
NEW DELHI 110002
February 1992 Price Group 1
lacimehC sdradnatS lanoitceS ,eettimmoC CHD 001
DROWEROF
sihT naidnI dradnatS was adopted yb the uaeruB of naidnI ,sdradnatS after the draft dezilanif yb
the lacimehC sdradnatS lanoitceS eettimmoC had neeb devorppa yb the lacimehC noisiviD .licnuoC
cimotA noitprosba yrtemotohportceps erudecorp si desab no the elpicnirp that cillatem smota
tneserp ni dnuorg state lliw brosba tnedicni noitaidar molf the ecruos ( yllamron wolloh cathode
pmal ) of the emas htgnelevaw yeht time nehw .deticxe nehW snoitaidar morf the nevig deticxe
tnemele si passed hguorht the emalf gniniatnoc dnuorg state smota of that ,tnemele the ytisnetni of
the dettimsnart noitaidar lliw decrease ni noitroporp ot the tnuoma of the dnuorg state smota
tneserp ni the .emalf A wolloh cathode pmal htiw the cathods edam morf the emas tnemele ot eb
denimreted or htiw a elbatius nortcele egrahcsid pmal sedivorp the .noitaidar ehT latem smota ot
eb derusaem are decalp ni the maeb of noitaidar yb gnitaripsa the elpmas noitulos otni the .emalf
A retamorhconom setalosi the citsiretcarahc snoitaidar morf the wolloh cathode pmal dna
evitisnesotohp ecived serusaem the detautnetta dettimsnart .noitaidar ehT ecnabrosba si nekat as
the erusaem of noitartnecnoc of the desylana .tnemele suoiraV cillatem stnemele yam eb ylesicerp
desylana yb siht ,euqinhcet dna si yllareneg adopted for noitamitse of nori ni selpmas ekil water,
,senirb larenim ,stisoped ores, gnilkcip ,snoitulos etc.
nI the noitaraperp of siht dradnats elbaredisnoc ecnatsissa has neeb devired morf D-MTSA 1068
tseT‘ sdohtem for nori ni water’ dehsilbup yb the naciremA yteicoS for gnitseT dna ,lairetaM .ASU
nI gnitroper the tluser of a test or sisylana edam ni ecnadrocca htiw siht ,dradnats fi the lanif ,eulav
devresbo or ,detaluclac si ot eb dednuor off, ti llahs eb enod ni ecnadrocca htiw SI 2 : 1960 seluR‘
for gnidnuor off laciremun seulav (revised )‘.
IS 13320 : 1992
Indian Standard
DETERMINATION OF IRON BY ATOMIC
ABSORPTION SPECTROPHOTOMETRY -
TEST METHOD
EPOCS 6 SUTARAPPA
1
sihT standard sebircserp dohtem rof noitanimreted fo 6.1 Atomic Absorption Spectrophotometer, rof esu
nori yb cimota noitprosba .yrtemotohportceps at 3’842 .nm
2 SECNEREFER NOTE - The manufacturer’s instructions shall be followed for
all instrumental parameters.
ehT gniwollof naidnI Standards era yrassecen stcnujda
6.2 Iron Hollow-Cathode Lamp
ot this standard :
tnenopmoc-itluM wolloh edohtac lamps yam eb .desu
SI .oN eltiT
6.3 erusserP gnicudeR
Valves
264 : 1976 noitacificepS for cirtin dica dnoces( elbatiuS rof wolf lortnoc fo .leuf
revision )
265 : 1987 noitacificepS rof cirolhcordyh dica 6.4 Wavelength and Working Range
(third revision)
nI noitidda ot eht htgnelevaw 3’842 ,mn eht gniwollof
1070 : 1977 noitacificepS rof retaw rof lareneg shtgnelevaw and rieht gnikrow egnar yam eb :desu
yrotarobal esu dnoces( revision )
lS .oN Wavelength Slit Working ytivitisneS
3 ENILTUO FO EHT DOHTEM
Range
(M tm) (wd) (mti)
ehT elpmas is thguorb otni noitulos yb elbatius -taert
tnem htiw ,dica detulid htiw dellitsid ,retaw deretlif fi (1) (2) (3) (4) (5)
.yrassecen rehtruF noitulid yam eb edam no
eht noitartnecnoc .deriuqer ehT samples d era epe neht ndinaspi- g 0 372.0 0.2 25 ot 100 0.55
)ii 386.0 0.2 50 ot 200 0.90
detar ni an enelyteca-ria .emalf ehT tsom evitisnes
)iii 392.0 0.2 800 ot 3 200 17
htgnelevaw rof nori is 3’842 .mn ,revewoH rehto
shtgnelevaw yam osla eb desu rof rehgih -artnecnoc
7 STNEGAER
.snoit esehT shtgnelevaw era yllareneg detacidni ni
apparatus.
7.1 detartnecnoC
Hydrochloric Acid - See
SI 265 : 1987.
4 YTILAUQ FO STNEGAER

Unless deificeps ,esiwrehto erup slacimehc and 7.2 Nitric Acid - See SI 264 : 1976.
dellitsid retaw ees( SI 1070 : )7791 shall eb desu ni
.stset 7.3 Dilute Nitric Acid - 0.2 tnecrep .)v/v(
Add 1 emulov fo cirtin dica (sp. .rg )24.1 ot 499
NOTE - ‘Pure chemicals’ shall mean chemicals that do not semulov fo .retaw
contain impurities which affect the results of analysis.
5 ECNEREFRETNI 7.4 Stock Iron Solution
evlossiD 1.000 g fo erup nori ni 100 lm fo -olhcordyh
5.1 ,muidoS ,muissatop ,muirab edirolhc and etahplus
cir dica )l:1( yb .gnitaeh looC and etulid ot 1000 lm
ni snoitartnecnoc less than 5 000 l/gm ,hcae ,muiclac
btiw .retaw 1 lm = 1.0 gm fo .nori
,muisengam ,muimorhc ,esenagnam ,tlaboc ,lekcin
,reppoc ,cniz palladium, ,revlis ,muimdac ,nit ,dael
7.5 dradnatS
Iron Solution
,muihtil ,yrucrem ,muineles ,muinimula ,ynomitna
,cinesra ,muidanav ,norob munedbylom ni -artnecnoc etuliD 100 lm fo eht nori kcots noitulos ot 1 ertil htiw
snoit less than 100 I/,gm hcae od ton .erefretni .retaw 1 lm = 0.1 gm fo .nori
5.2 dnuorgkcaB noitcerroc yb ,seuqinhcet hcus as a 7.6 Oxidant : Air
muunitnoc ,ecruos gnibrosba-non ,senil ro -noitalehc
hcihW has neeb passed hguorht a elbatius retlif ot
noitcartxe ebyam yrassecen enimretedot wol slevel fo
evomer ,lio erutsiom and rehto ngierof .secnatsbus
nori ni emos .retaw
1
IS 13320 : 1992
7.7 Fuel : Acetylene 3 lm fo cirtin dica (sp. .rg ,)24.1 3 lm fo cirolhcrep dica
07( )tnecrep and 3 lm fo ciruhplus dica (sp rg .)48.1
yllaicremmoC elbaliava enelyteca is eht usual .leuf
etaropavE ot esned etihw ,semuf looc eht rekaeb and
wash eht edisni fo eht rekaeb htiw .retaw Add a wef
8
PROCEDURE spord fo cimrof dica and emuf again ot esned .duolc
looC and add retaw .ylluferac ekaM up ot a elbatius
8.1 Sample Preparation .emulov
8.1.1 Water Samples
82 Analysis
erusaeM a elbatius emulov fo elpmas ni a rekaeb ro
etaripsA eht standard nori snoitulos and neht elpmas
lacinoc .ksalf Add 50 lm fo .retaw Add 5 lm fo
.snoitulos etaripsA etulid cirtin dica 1( : )994 neewteb
cirolhcordyh dica (sp rg .)91.1 taeH eht elpmas no a
hcae standard and .elpmas esoohC eht standards ni
maets bath ro toh etalp ni a llew detalitnev .dooh
hcus a yaw that eht ecnabrosba fo elpmas noitulos is
ecudeR eht emulov ot 15 ,lm looC eht noitulos and
nihtiw eht egnar fo .noitarbilac
retlif hguorht a Whatman .oN 41 ro 42 retlif .repap
tcelloC etartlif ni 100 lm cirtemulov .ksalf Wash eht tolP a hparg rof standards susrev secnabrosba and dnif
retlif htiw retaw and tcelloc washings ni eht emas tuo margorcim rep ertilillim fo nori ni elpmas .noitulos
cirtemulov .ksalf ekaM up ot 100 .lm
9
CALCULATION
8.1.2 Solid Samples (Ores, Mineral Deposits, etc)
cxv 100
redwoP eht elpmas htiw eht pleh fo a naelc and yrd ,norI tnecrep yb mass = - -
eltsep and .ratrom refsnarT a nwonk tnuoma fo eht 106 x M
elpmas ot a naelc and yrd nialecrop ro ztrauq .elbicurc erehw
esuF this lairetam at tuoba 700 ot %008 htiw a -inim
mum fo muissatop ro muidos etahplusib ,OSHK( ro c = noitartnecnoc fo nori ni lmlgu ni lanif
,OSHaN .) looC eht elbicurc ot moor erutarepmet and ,noitulos
add 50 lm fo retaw and 2 lm fo cirolhcordyh dica v = emulov ni lm fo eht lanif ,noitulos and
(sp rg .)91.1 At this egats fi eht noitulos is ton ,raelc M= mass ni g fo eht elpmas ni lanif SO~U-
neht etartnecnoc eht noitulos ot tuoba 10 lm and add .noit

2
Standard Mark
ehT esu of the dradnatS Mark si denrevog yb the snoisivorp of the Bureau qf indian
Standards Act, 1986 dna the seluR dna snoitalugeR edam .rednuereht ehT dradnatS Mark no
stcudorp derevoc yb na naidnI dradnatS syevnoc the ecnarussa that yeht evah neeb decudorp
ot ylpmoc htiw the stnemeriuqer of that dradnats rednu a llew denifed metsys of ,noitcepsni
gnitset dna ytilauq lortnoc hcihw si desived dna desivrepus yb EB dna operated yb the
.recudorp dradnatS dekram stcudorp are osla ylsuounitnoc checked yb SIB for ytimrofnoc
ot that dradnats as a rehtruf .draugefas sliateD of snoitidnoc rednu hcihw a ecnecil for the
esu of the dradnatS Mark yam eb detnarg ot srerutcafunam or srecudorp yam eb deniatbo
morf the uaeruB of naidnI .sdradnatS
Bureau of Indian Standards
BIS is a yrotutats noitutitsni dehsilbatse rednu the Bureau OJ Indian Standards Act, 1986 ot etomorp
suoinomrah tnempoleved of the seitivitca of ,noitazidradnats gnikram dna ytilauq noitacifitrec of goods
dna gnidnetta ot detcennoc srettam ni the .yrtnuoc
Copyright
BIS has the thgirypoc of lla sti .snoitacilbup No part of these snoitacilbup yam eb decudorper ni
yna mrof tuohtiw the roirp noissimrep ni gnitirw of .SIB sihT does ton edulcerp the free ,esu ni the
esruoc of gnitnemelpmi the ,dradnats of yrassecen ,sliated hcus as slobmys dna ,sezis epyt or grade
.snoitangised seiriuqnE gnitaler ot thgirypoc eb addressed ot the rotceriD ( snoitacilbuP ), .SIB
Revision of Indian Standards
Indian sdradnatS are deweiver yllacidoirep dna ,desiver nehw yrassecen dna ,stnemdnema fi ,yna are
deussi morf emit ot .emit sresU of naidnI sdradnatS dluohs niatrecsa that yeht are ni noissessop of
the tsetal stnemdnema or .noitide stnemmoC no siht naidnI dradnatS yam eb tnes ot SIB gnivig the
gniwollof ecnerefer :
Dot : No, CHD 001 ( 9686 1
Amendments Issued Since Publication
dnemA No. Date of eussI txeT detceffA
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