इंटरनेट मानक Disclosure to Promote the Right To Information Whereas the Parliament of India has set out to provide a practical regime of right to information for citizens to secure access to information under the control of public authorities, in order to promote transparency and accountability in the working of every public authority, and whereas the attached publication of the Bureau of Indian Standards is of particular interest to the public, particularly disadvantaged communities and those engaged in the pursuit of education and knowledge, the attached public safety standard is made available to promote the timely dissemination of this information in an accurate manner to the public. “जान1 का अ+धकार, जी1 का अ+धकार” “प0रा1 को छोड न’ 5 तरफ” Mazdoor Kisan Shakti Sangathan Jawaharlal Nehru “The Right to Information, The Right to Live” “Step Out From the Old to the New” IS 12308-7 (1991): Methods for Chemical Analysis of Cast Iron and Pig Iron, Part 7: Determination of nickel by dimethyl glyoxime (gravimetric) method(for nickel 0.5 to 36 percent) [MTD 7: Light Metals and their Alloys] “!ान $ एक न’ भारत का +नम-ण” Satyanarayan Gangaram Pitroda ““IInnvveenntt aa NNeeww IInnddiiaa UUssiinngg KKnnoowwlleeddggee”” “!ान एक ऐसा खजाना > जो कभी च0राया नहB जा सकता हहहहै””ै” Bhartṛhari—Nītiśatakam “Knowledge is such a treasure which cannot be stolen” IS 12308( Part7):lSSl Indian Standard METHODSFOR = CHEMICAL AN-ALYSISOFCASTIRONAND. PIG IRON PART 7 DETERMINATION OF NICKEL BY DIMETHYL-GLYOXIME ( GRAVIMETRtC ) METHOD ( FOR NICKEL 0’5 TO 38 PERCENT ) UDC 31*966+21’272’261’966 : 12’345 [ 47’645 ] @ SIB 1991 BUREAU OF INDIAN STANDARDS 9 KANAM ,NAVAHB 9 RUDAHAB HAHS RAFAZ MARG WEN IHLED 110002 September 1991 ecirP puorG 1 sdohteM fo lacimehC sisylanA fo suorreF Metals lanoitceS ,eettimmoC DTM 2 I‘ . FOREWORD -. sihT naidnI dradnatS ( traP 7 ) was detpoda yb eht uaeruB fo naidnI Standards, retfa eht tfard -zilanif de yb eht sdohteM fo lacimehC sisylanA fo suorreF Metals lanoitceS eettimmoC had neeb devorppa yb eht lacigrullateM gnireenignE noisiviD .licnuoC lacimehC sisylana fo tsac nbri and gip nori was derevoc ni SI 228 : 1959 sdohteM‘ fo lacimehC sisylana fo gip ,nori tsac nori and plain nobrac and wol yolla sleets ( revised 1.’ gniruD its dnoces noisiver ti was dediced that a evisneherpmoc seires dluohs eb .deraperp rof lacimehc sisylana fo all sepyt fo sleets and eht rehto gnirevoc eht lacimehc sisylana fo tsac nori and gip .nori ,ylgnidroccA SI 228 no noisiver was dehsilbup ni lareves parts gnirevoc lacimehc sisylana fo suoirav sleets ylno and etarapes seires fo standard rednu SI 12308 is gnieb dehsilbup rof lacimehc sisylana fo tsac nori and ~riri$$ sihT standard ( traP 7 ) is eno ni eht rettal .seires ehT rehto parts ni eht seires era as traP 1 noitanimreteD fo latot nobrac yb lamreht ytivitcudnoc dohtem traP 2 noitanimreteD fo sulphur yb cirtemidoi noitartit dohtem traP 3 noitanimreteD fo esenagnam yb etadoirsp cirtemotohportceps dohtem traP 4 noitanimreteD fo latot ,nobrac citihparg nobrac and denibmoc nobrac yb cirtemivarg dohtem traP 5 noitanimreteD fo surohpsohp yb cirtemilakla dohtem ( rof surohpsohp 0.01 ot 05’0 tnecrep ) traP 6 noitanimreteD fo nocilis ( rof nocilis ’0 1 ot 0’6 tnecrep ) traP 8 noitanimreteD fo muimorhc yb etahplusrep noitadixo dohtem ( rof muimorhc 1’0 ot 28 tnecrep ) traP 9 noitanimreteD fo munedbylom yb etanaycoiht ( cirtemotohportceps ) dohdm roF( munedbylom 1’0 ot 0’1 tnecrep ) traP 10 noitanimreteD fo esenagnam pu( ot 0’7 tnecrep ) yb etinesra cirtemulov dohtem traP 11 noitanimreteD fo latot nobrac yb eht tcerid noitsubmoc ( cirtemulov ) dohtem traP 12 noitanimreteD fo latot nobrac yb eht tcerid noitsubmoc cirtemulov dohtem ( rof nobrac 0SI ot 4.50 tnecrep ) nI this trap emixoylg-lyhtemid cirtemivarg( ) dohtem rof noitanimreted fo lekcin ni tsac nori and gip nori has neeb debircserp no eht basis fo ecneirepxe deniag gnirud eht past and ytilibicudorper fo eht dohtem has neeb detaroprocni at tnereffid tnecrep slevel fo .lekcin nI gnitroper eht tluser fo a tset ro sisylana edam ni ecnadrocca htiw this standard, fi eht lanif ,eulav devresbo ro detaluclac is ot eb dednuor ,ffo ti shall eb enod ni ecnadrocca htiw SI 2 : 1960 seluR‘ rof gnidnuor ffo laciremun seulav ( revised )‘. SI 12308 ( traP 7 ) : 1991 Indian Standard METHOD.SFOR CHEMICALANALYSIS'OFCASTIIiONAND PIG IRON PART 7 DETERMINATION OF NICKEL BY DIMETHYL-GLYOXIME ( GRAVIMETRIC ) METHOD ( FOR NICKEL 0’5 TO 36 PERCENT ) 1 EPOCS 5.3 erudecorP sihT standard ( traP 7 ) srevoc eht dohtem rof 5.3.1 refsnarT an etairporppa ytitnauq fo eht elpmas that lliw niatnoc 20 ot 60 gm fo ,lekcin noitanimreted fo lekcin ni eht egnar morf 5’0 ot to a lm .rekaeb Add 04-u3 lm fo etulid -ordyh 36 tnecrep ni yolla tsac nori and gip .nori 4~0 cirolhc dica ( 1 : 1 >. taeH yltneg and nehw eht 2 SECNEREFER noitcaer has subsided, add 5 lm detartnecnoc cirtin dica ot esidixo eht .noitulos etaropavE ehT gniwollof naidnI Standards era yrassecen eht noitulos ot ssenyrd and ekab rof 30 setunim stcnujda ot this standard. at 120°C. Add ot ti 03-52 lm fo etulid -lhcordyh ciro dica ( 1 : I ) and taeh rof .noitulossid retliF IS No. Title hguorht a muidem derutxet retlif repap and wash 264 : 1976 cirtiN dica ( second revision ) htiw toh .retaw evreserP eht .etartlif 265 : 1987 cirolhcordyH dica ( third revision 1 5.3.2 etingI eht eudiser ni a munitalp elbicurc at GNILPMAS 800°C. ,looC netsiom htiw a wef spord fo etulid 3 ciruhplus dica ( 1 : 1 ) and add 01-5 lm -uifordyh ehT elpmas shall eb drawn and deraperp as -erp ciro .dica etaropavE ot ssenyrd and esuf eht debircs ni eht tnaveler 1nd;an .dradnatS ’ eudiser htiw muissatop ,etahplusib muissatop etahplusoryp and ekat eht mass ni etulid -ordyh 4 YTILAUQ FO STNEGAER cirolhc dica ( 1 : I ) and xim eht noitulos htiw 4.1 Unless deificeps ,esiwrehto lacitylana edarg eht etartlif devreser .rednu 5.3.1. stnegaer and dellitsid retaw shall eb deyolpme ni eht .tset 5.3.3 etuliD eht noitulos ot tuoba 400 lm htiw retaw and add 50 lm fo cirtic dica .noitulos 5 NOITANIMRETED FO LEKCIN YB esilartueN htiw ainomma noitulos and yfidica EMIXOYLG-LYHTEMID ( CIRTEMIVARG ) htiw etulid cirlohcordyh dica ( 1 : 1 ). taeH eht DOHTEM noitulos ot 90°C and add ssecxe fo -lyhtemid emixoylg noitulos ( OI lm rof yreve 10 gm fo 5.1 eniltuO fo eht dohteM lekciN .) esilartueN eht noitulos htiw ainomma retfA gnitarapes ,nocilis lekcin is detatipicerp as noitulos and add 3-2 lm ssecxe and rits .llew peeK lekcin etamixoylg-lyhtemid and .dehgiew eht noitulos at tuoba 60°C rof eno ruoh and neht looc ot moor ,erutarepmet retlif and wash 01-8 5.2 stnegaeR semit htiw dloc retaw gniniatnoc wef spord fo 5.2.1 dr = 24’1 ( -noc ainomma .noitulos Concentrated Nitric Acid, gnimrof ot SI 264 : 1976 .) NOTE - As ,reppoc tlaboc dna esenagnam osla emusnoc 52.2 Dilute Hydrochloric Acid, 1 : 1 ( v/v ). .emixoylg-yht emfido emixoylg-lyhtemid lanoitidda noitulos tsu mssecxe eb fo ,dedda rehtona fi 2530 yna era lm 52.3 Dilute Sulphuric Acid, 1 : 1 ( v/v .) .tneserp 5.3.4 evlossiD eht etatipicerp yb adding toh .tnecrep 5.2.4 ffydrojkoric Acid, 40 etulid cirolhcordyh dica ( I : 1 ) no eht retlif 5.2.5 .dilos repap and tcelloc eht noitulos ni eht emas rekaeb Poiassium Bisulphate, ni hcihw noitatipicerp was deirrac .tuo looC and 5.2.6 .dilos Potassium Pyrosulphate, etulid ot 300 .lm Add 10 lm fo cirtic dica -ulos 5.2.7 tnecrep ( ,noit ezilartuen eht noitulos htiw ainomma noitulos Citric Acid Solution, 50 m/v ). and yfidica again htiw etulid cirolhcordyh dica 5.2.8 Concentrated Ammonia Solution, dr = .09’0 ( 1 : 1 .) taeH eht noitulos ot 90°C and add emixoylg-lyhtemid noitulos ni ,ssecxe ni eht -orp 5.2.9 1 tnecrep .) Dimethyl-glyoxime Solution ( noitrop 10 lm rof hcae 10 gm fo lekciN .detcepxe evlossiD 1 g fo emixoylg-yhtemid ni 80 lm fo esilartueN eht noitulos htiw ainomma noitulos and defitcer tirips and erofeb esu ekam up ot 100 lm add 2 lm .ssecxe peeK eht noitulos at tuoba 60°C htiw eht .tirips retliF erofeb .esu rof eno .ruoh looC eht noitulos and retlif hguorht I IS 12308 ( Part 7 j : 1991 a ssalgderetnis elbicurc ( .oN 3 ) sihcihw ylsuoiverp 5.5 Reproducibility deird at 120°C and dehgiew ot tnatsnoc mass ( Ml ). Wash eht etatipicerp 51-ol semit htiw k 0’025 at 5’0 tnecrep ,lekcin retaw gniniatnoc wef spord fo ainomma .noitulos t_ 30’0 at I tnecrep ,lekcin yrD eht etatipicerp at ‘)~51 C ot constant mass. Cool ni a rotaccised and hgiew ( it42 ). _+ 70’0 at 5 tnecrep ,lekcin 5.4 Calculation _C 21’0 at 10 tnecrep ,lekcin ,lekciN tnecrep yb mass = -$- x 23’02 :I 71’0 at 15 tnecrep ,lekcin erehw _t 22’0 at 20 tnecrep ,lekcin .4 = ( -&A Ml ) = mass, ni g, fo Iekcin t_ 82’0 at 25 tnecrep ,lekcin ;etamixoylg-lyhtemid and B .= mass, ni g, fo elpmas .nekat - --; 0.33 at 30 tnecrep .lekcin 2 Standard Mark ehT esu fo eht dradnatS Mark is denrevog yb eht snoisivorp fo eht Bureau of Indibn Standards Act, 1986 and eht seluR dna‘ snoitalugeR edam .rednuereht ehT dradnatS Mark no stcudorp derevoc yb an naidnI dradnatS syevnoc eht ecnarussa that yeht evah neeb decudorp ot ylpmoc htiw eht stnemeriuqer fo that standard rednu a llew denifed metsys fo ,noitcepsni gnitset and ytilauq lortnoc hcihw is desived and desivrepus yb SIB and detarepo yb eht .recudorp dradnatS dekram stcudorp era osla ylsuounitnoc dekcehc yb SIB rof ytimrofnoc ot that standard as a rehtruf -efas .draug sliateD fo snoitidnoc rednu hcihw a ecnecil rof eht esu fo eht dradnatS Mark yam eb detnarg ot srerutcafunam ro srecudorp yam eb deniatbo morf eht uaeruB fo naidnI Standards. Bureau of Indian Standards BIS is a yrotutats noitutitsni densilbatse rednu eht Bureau of Indian Standards Act, 1986 to Promote suoinomrah tnempoleved fo eht seitivitca fo ,noitazidradnats gnikram and ytilauq noitacifitrec fo sdoog and gnidnetta ot detcennoc srettam ni eht .yrtnuoc Copyright BIS has eht thgirypoc fo all its .snoitacilbup oN trap fo eseht snoitacilbup yam eb decudorper ni yna mrof tuohtiw eht roirp noissimrep ni gnitirw fo .SIB sihT seod ton edulcerp eht eerf ,esu ni eht esruoc fo gnitnemelpmi eht standard, fo yrassecen ,sliated hcus as slobmys and ,sezis epyt ro edarg .snoitangised seiriuqnE gnitaler ot thgirypoc eb desserdda ot eht rotceriD ( snoitacilbuP ,) .SIB Revision of Indian Standards naidnI Standards era deweiver yllacidoirep and ,desiver nehw yrassecen and ,stnemdnema fi any, era issued morf emit ot .emit sresU fo naidnI Standards dluohs niatrecsa that yeht era ni pOSSeSSion fo eht tsetal stnemdnema ro .noitide stnemmoC no this naidnI dradnatS yam eb tnes ot SIB gnivig eht gniwollof :ecnerefer toD : No. DTM 02 ( 3537 ) Amendments Issued Since Publicatioo dnemA .oN etaD fo eussI txeT detceffA UAERUB FO NAIDNI SDRADNATS :sretrauqdaeH Manak ,navahB 9 rudahaB Shah rafaZ Marg, weN ihleD 11OCO2 senohpeleT : 331 01 31, 331 13 75 smargeleT : Manaksanstha ( nommoC ot all seciffO ) lanoigeR :seciffO lartneC : Manak ,navahB 9 rudahaB Shah rafaZ Marg f 331 331 01 13 75 31 WEN IHLED 110002 nretawE : 41/l .T.I.C emehcS IIV M, .P.I.V ,daoR alotkinaM 37 86 62 ATTUCLAC 4503(07 Ncythem : SC0 44546, Sector 35-C, CHANDIGARH 160036 53 38 43 Southern : C.I.T. Campus, IV Cross Road, MADRAS 600113 235 02 16 metseW : ,ayalakanaM 9E MIDC, ,loraM irehdnA ( East ) 632 92 95 YABMOB 400093 kwhes : AHMADABAD. BANGALORE. BHOPAL. BHUBANESHWAR. COIMBATORE. FARIDABAD. GHAZIABAD. GUWAHATI. HYDERABAD. IJAIPUR. KANPUR. PATNA. THIRUVANANTHAPURAM. t Printed at Progressive Printers, Shahdara, Delhi, India