1、CTaHiaDTHu MeTon onpereJeHMA coIeDaHMA BOIH B XMIKMXHe函renpomykraxocpercTBoM peareHTa Kapnauepa3ToT cTaHnapT u3naeTca no HIeKcoM I I744.Iuph noceMHIekca yka3bBaoT Ha ron nepBOHayabHoro yTBepxeHnA WIn,BB cJyuaeepecmorpa,TotoceIHeroepecMoTpa,HMCJIo B CKO6KaXo3HauaeT ron nocemHero nepeyTBepxIeHnA.MHIeK
2、C 3KCMIOH(E)yka3HBaeT Ha n3raTebckne N3MeHeHnA noce nocjeHero nepecMoTpaIIIepeyTBepeHna.3TOT MeTOI OHI OOOPeH I MCHOJIB3OBaHMA IIpaBMTeJCTBOHHEIMMopraHu3amMn B3aMeH MeTona 3253 exepabHoro cTaHiapTHoro Me TonacnHTaHn 079IB.I.CyIHOCT:五Me roraI.I.CymHocT Merora CocTonT B onperejeHnn coepxaH BOIBB Inana
3、3OHe oT 50 Io I000 ppmB*IKnx Hedrerponykrax.I.2.CTaHiapT oxBaTuBaeT noxapoonacHHe Marepna,mpoLreccnooopyroBaHne.3ToT cTaHrapr He pacmpocTpaHserca n He peuaeTBCep0 OJIeMBI 03 onacHocTM,CBH3 aHHNe c acoOVMeHeHMeM,o,Ib30-BaTe CTaHnapra oeH HO CBOIO OTBeTCTBeHHOCTE IPOKOHCyT-poBaTbca n ycTaHoBITE COOTBe
4、TcTByroume TexHnKe oe3onacHocTn MeTo-I onpeIeT IpMMeHMMOCT perynpyouux orpaHnyeHnn nepen TeM,KaK MCoIb30 eaTp er0.B.7.3h7.63 IOHC9LMaJbHepeynpeTebHhe opMy JpoBKn.2.MCIOJ30BaHHHM IOKYMOHT2.I.CTaHuapT ASTM:MeTo I 4057 I pyuHoro oToopa npoo HeoTn n HeoTeuponyK-0B2I)3TOT MeTon HaxomnTca B BeeHun KoMuTeT
5、a ASTM I-2 Io Hedre-ooryKTaM n MacJaM红HaxoTCA BOMOMoI4eHMOIKOMM-TeTa I 02.03 no seMeHTapHoMy aHaln3y.aHHoe n3naHne yTBep-IeHo 28.II.83.OnyonnkoBaHo B HBape I984r.IepBoHauaHoBuIyIeH IIO HOMepOM II744-60T.CJeIHMe npeIby哑e3raHI班II744-64(I978r.).2)TonoBo coopHuK cTaHLapToB ASTM,TOM 05.03.2.3.KpaTkoe n3J
6、oxeHne Merora3.I.AHansupyeM Marepnal TuTpyeTca cTaHnapTHbIM pea-reHTOM Kapla nmepa Io KOHeyHon aJekTpoMe Tpuyecko Toukn.4.3HayeHne n InMHeHne3HaHne corepaHy BOIH B HeoTerpoyKTax MOXeT OHTB HoJe3-HEM I npeIcka3aHn KayecTBa n akcmyaTaLoHHbx xapaktepMcTnkponykTa.5.OM9X4CBOOOIHHe meJoyn,OKMCJoMe BOCCTaH
7、aBjBaloune areHTH,MepkanTaH,HeKoTopbe OCHOBHbe a3oTcolepaume BemecTBa WInIpyrne coemHeHna,pearupyroume c MOIOM,Meuaior onpelejeHnoI ppm cepu B Bne MepkaTaHa Bh3 aBaeTOIPeWHOCTBon TuTpoBa-Hun,paBHyo IpnMepHo 0,2 ppm BOIb.6.A皿aparypa6.I.Coouparor annaparypy kak onncaHo B IIpwIOxeHun AI3.7.PeareHTH红Mar
8、epna7.I.Yucrora peareHToB.Bo Bcex MCITaHnAx HeooxoyMo MCHoJb-3oBaTb xnMMKaTH copTa peareHToB.ECJ He oroBopeHo cneiaJbHO,mpeoaraeTcA,uTo Bce peareHT IOJKHH COOTBeTCTBOBaTb cneim-uKaLAM KoMnTeTa no aHaJnTnyecknM peareHTaM AMepukaHckoroXuMMYeCKoro oomecTBa,rIe MOXHO IpnoOpecTn Takne cHeLonKaLy4MoryT Ob
9、TE MCHOJb30BaHH IpyrMe copra npn ycoBnn,To CHayalaHeOOXOlMMo IpOBepTb,YTo peareHTh HOCTaTOuHO BHCOKOM UMCTOTHN ero IpyMeHeHne He CHN3MT TOYHOCTM onpeleJeHMA.TOYHOCTB.4)XuMMKaTH-peareHTH,cnemmoukauun AMepuKaHCKOrO_xIMMYOCKorOoomecTBa.c-cecccesocBaunHrToH.I.C.npn ncnbTa-HMAX peareHTOB,He nepeyMcJeHHbX
10、 AM.XMM.OO-BOM,CMOTpMTeXuMukaTu-peargHT n cTaHiapT,Mo3eda Po3nHa,I.BaH HocT-pamn Ko,Ho-opK n apMakonorua CIA.3.7.2.YncTora BoIH.EcIM He ya3aHo cHeIMaILHO,yOMMHaHneBOIH Hopa3ymeBaeT IcTWIIMpOBaHHyO BOIH MIM BOny TaKol ke qnc-ToTH.cHoIL3yemHe pacTBopTeIM lOIKHH MeTL MaIoe coIepKaHeBOIH,HapMep,MeHee em
11、 500 ppmMacc.7.3.PeareHT Kapa mmepa,pacTBop cHpLe(ocTopOHO-TOK-cHH uponyKT,cM.IpIoxeHne A2.I)-IIH HonyeHMA uTpa pacTBO-pa(85 I)r moma pacTBopaor B 270 2 mI HMpMnnHa B cyxoM sa-kpTol HpoKoi cKIAHKe.LoaBHor 670 2 MI MeTaHoa(99,9%,IpmeTaHe I).OxIaHaoT CMecL B enHol OaHe o TemnepaTypHHKe 3,9C.BapooTupyo
12、T rasooopa3Hy ByOKCL cepH(S O).(OcTOpOKHO,CM.7.4)qepe3 KOHueHTpMpOBaHHy cepHyD KICIOTy B OxIaKIeH-Hyo CMeCL(H2S 04,yI.BeC I,84)(OHacHo_.H.Koppo3OHHoe e-cTee.CILH OKnCITeL.KoHTaKT c opraHneCKMn BemeCTBamMMokeT BH3BaTl Homap.Ipn sarIaTHBaHM BO3MOKeH eTaILHH COI.KIKOCTL M HapH MoryT B3BaTL CHILHme omor
13、n.BpeeH HpH BHxa-HM.IpM KOHTaKTe c BOO BHCBOOOKaeTCH OILOe KOMYeCTBOTeITblyTeqka MomeT BH3BaTL Hokap.CM.IpMIOKeHMe 2.2).IpOIO-aoT ooaBIeHne$O,Hoka ooLem He yBenn4nTcH Ha 50 I MI.Ipyro BapmaHT:moaBIHT 50 I MI cBemero mMHKoro 5 02HeOoILMH mo3amM K peBapTeILHO oxIaeHHO B eaHO OaHeCMecH.Xopomo nepemeuMB
14、aoT OCTaBIAOT B CTOpOHe MHIMM HaI2 acoB nepe cHb3BaHeM.IpuMeaHne I.Ec HeL3 HpoopecTH roToBm MeraHon nc-Toro 99,9%,To oH momer OHTL HpMroTOBIeH HpM pacTBopeHM 24 rMarHMeBMX MeTaIIMqeckX cTpyeK B 200 MI MeTaHoJa.OcTOpOKHO,peakuMA CILHa.Kora peauMA 3aKoHMTcH oOaBIAOTCH 3 ImeraHoa,knATaT 5 acoB n Hepero
15、HAT HpAmO b eMKOCT,BKoTopol xpaHTcH 99,9%-Hul MeTaHoI.3aKpHBaoT cHcTemy OcyuMTeILHoi TpyOKOl BO BpeMA HeperOHK.7.4.OcTopOKHO.CoImalre MepH HpenocTOpOKHOCTH Hp oopameHLC TOKCHHMM Ta3aM.7.5.PeareHT Kapa muepa,pa3oaBIeHH pacTBop.PeryI-pyOT KpeHOCTL MCXOIHOro pacTBopa HO BOHOrO 3KBMBaIeHTa 2-3 MrBOIH Ha
16、 I MI pa3aBIeHMeM HIHOM.5)MomeT OHTL HCHOIL3OBaH HpOMHIeHHO HpMrOTOBIeHH peareHTKapa uepa.4.7.6.PacTeopure npoH-cMeBaror IoeM Me TaHoJa(pi-MeuaHue I)c 3 oobemaMu xJopodopMa(onacHo.IIpn 3arnaThBaHunMOXeT BH3BaTb JeTabHb MCxoI.BpeleH IpM BIbxaHnn.MokeT IaTbTOKCHYHHe naph Ipn CxuraHun.CM.IIpwoxeHne A.2
17、.3).8.0m60pp08.I.Oopa31 oToupaor B COOTBeTCTBMM C MHCTPyKIIMAMM B MeToIeI4057.9.CraHnaprnsamma peareHra Kapna onuepa9.I.PasoaBeHH peareHT Kapna omuepa oeH OHTB cTaHnap-TM3oBaTbca exeHeBHO B COOTBeTcTBun c IyHKTaMM 9.I.I-9.I.3.Mm9.I.4-9.I.3.9.I.I.IoMemar 50 MII pacTBopnre IpoobI B yuc Tyo,cyxyoKoJOy
18、THTpoBaHna.BcTaBjfior Ipooky n peryjupyor MarHnTHyo Mewa-Ky I noJyeHna paBHoMepHoro nepemeunBaHMA.ycTaHaBJnBatoT ToKMHIMKcaimn,perynpy HOTeHIMoMeTpOM IO MeTKM,COOTBeTCTByone3HaueHnto Toka I Ma.IooaBmor B pacTBopnren peareHT Kapnanepa B KoJnyeCTBe,IocTaTOHOM,YTOOH 3acTaBuTb cTpekyyrn oT ycraHoBeHHo T
19、OuKN.CHauala cTpeka OTKJOHMTCA M3-3aOKabHoN KOHLeHTpaimn HenpopearnpoeaBuero peareHta oKooaJeKTpOOB,HO CHOBa BepHeTca nouTn K ycTaHoBJeHHo Touke.IoMepe npnoJnkeHMa KOHe Ho TouKn cTpeka oyeT Bo3BpamaTbcaHa3a c oounM 3amemeHneM nocje Kaxoro ooaBjeHna peareHTaKapua mepa.KoHeyHaa rouka ocTurHyra,ecm noc
20、ne ooaBjeHnaOIHo Kann peareHta cTpeka ocTaHeTc B OTKMOHOHHOM HOJOXeHMMoT ycTaHoBJIeHHo Toukn MMHMMyM Ha I Ma B TeyeHne He MeHee30 ceK.9.I.2.K pacTBopy B Konoy I TuTpoBaHna ocTopOxHo ooaB-JAOT M3 MepHon nnneTkn,IpeBapyTeJbHo B3BeueHHyo C TOYHOCTBIOO,I MI,I KaIo HncTnupoBaHHo BOIH.3aKpHBaroT Kojoy mpo
21、oko.B3BeuMBaoT MepHyo mnneTky.TuTpyOT Io KOHe Hon TouKn Kak oncaHoB.9.I.I.9.I.3.PaccuuTuBaior BoH aKBuBaJeHT peareHra Kapa muepacJey IoM oopa3OM:F-u/T5.rne:-BoH KBuBaneHT peareHTa Kapa mmepa,Mr/MI;U-KoJeCTBO oGaBJIeHHO BOI,B MI;T-KoMeCTEo peareHTa,HeoOXOIMoro TATDOBAHMAoaBJIHHO BOIH,MJI.9.I.4.B Ipyr
22、oM BapnaHte rooaBJoT 50 MI MeTaHona B Ka-yecTBe pacTBopuTe B KoJOy IA TuTpoBaHna n TupyoT Io KOHe-Ho TouKn Kak omncaHo B I.9.I.I.9.I.5.M3 TapupoBaHHo MepHoi KoJo nocpeIcTBOM HMCTOrocyxoro wnaTena nepeBonaT upnMepHo 250 Mr mnrupara TaprparaHaTpa B npeBapuTeJbHO OTTUTpOBaHH cHMpT B KoJOy I THT-poBaHnA
23、.3amcHBaioT Bec.9.I.6.Horpyxaror wnaTeJ B pacTeopuTeb,UTOOb IOJHOCTBylauT HauMeHsun TapTpaT(IIpnMeyaHne 2).3akpbBaor KojoyOOKOM THDyOT I0 KOHO Ho TOuKM Kak onncaH0B.9.I.I.IIpyMeyaHue 2.Ia ooneryeHna nepeBona Taprpara B cocyI,MMepole cyxeHHhe OTBepCTMA wIn y3KMe ropa,MOXHO MCHOJ3OBaTbnaTeJb C KOHYMKO
24、M,3arHy THIM IOI IIPAMEIM yrJoM K pyqke.9.I.7.Ompereaor oomee corepxaHne BoIb B Iurnupare raprpa-Ta HaTpna BhcyunBaHneM npexeapnrebHo B3BeueHHoro oopa3La oOCTOAHHOTO MaCCH B He亚py reMneparyp9I505OC.9.I.8.PaccunTuBaroT BoIH KBMBaJeHT peareHra Kapamepa no opMy je:=(A x B)/IOOTrIe:-BOHE 9KBnEaneHT pear
25、erTa Kapia mepa,Mr/MI;A-KoyecTBo ncnoJ3oBaHHoro nrmpara Taptpara HaTpnaB MI;B-Hoe corepxaHne BoI B Iurupare raprpara Harpna nT-KoyecTBo peareHTa HeooxonMoe TTpOBaHMA BOIBI Bmurwpare Taptpara HaTpna B MI.I0.Merornka onpereeHuaI0.I.IooaB/IAoT 50 MII pacTBopnrea B KoJoy TMTpOBaHMAM TuTpyoT cTaHapTn3upoBaHHEMM peareHToM Kapna muepa Io KoHe Ho