ASTM_D_3230_-_13_rus_scan.pdf

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O6pa6oka pe3ynbTaToB.11 pe3MOHHOCTb.0CT33703-2015MEKO C yA P C T B E HH bI NC T A HA P THETbOnpeneneHne conen 3nekTpoMeTpnyecKNM MeTonOMOil.Determination of salts by electrometric methodDaTa BBeneHMa-2017-02-011 06nacTb npnMeHeHnaHacToaunn cTaHnapT pacnpocTpaHaerca Ha HecTb n ycraHaBnnBaeT MeTon onpeneneHna MaccoBonAonM xnopnAoB(conen)B Anana3oHe OT 0 o 500 Mr/kr.2 HopMaTNBHble cCbinKnB HacToaweM CTaHnapte ncnonb3oBaHbl HopMaTnBHble cCbinKn Ha cnenylowne CTaHnapTbl:TOCT 1770-74 nocyna MepHaa na6opaTopHa cTeknAHHaa.LnnNHApbl,MeH3ypKn,Kon6bl,npo6npKn.O6wne TexHnyeckne ycnoBnaTOCT 2222-95 MeTaHon TexHM4ecKnn.TexHnueckne ycnoBnTOCT 6006-78 PeaKTMBbl.ByTaHon-1.TexHMueckne ycnoBTOCT 6709-72 Bona AncTnnnmpoBaHHaq.TexHnyeckne ycnoBnTOCT 9410-78 Kcnnon HedTaHon.TexHnyeckne ycnoBnaTOCT 25336-82 nocyna n o6opyaoBaHne naboparopHble CTeKnaHHble.Tunbl,OCHOBHble napameTpblN pa3MepblTOCT 29227-91 nocyna na6opaTopHa cTeknAHHa9.nnneTkn rpanyupoBaHHble.HacTb 1.O6wweTpe6oBaHnAn p MM e y a H M e-npn 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HeopraHnyecknx xnopnnoB n npoynx npo-BOAAWX BeweCTB.ToMoreHN3NpoBaHHbin NcnblTyeMbIN oopa3eu pacTBopAIOT B CMewaHHOM cnNpTOBOMpacTBopnTene n noMewaloT B McnblTaTenbHyo KaMepy,CoCToAwyO N3 MepHoro cTakaHa Habopa 3nekTpo-OB.Ha 3nekTponbl nonaloT HanpaxkeHne n N3MepAlOT cnny Toka.Conep)kaHne xnopnna ycTaHaBnnBaloTC noMowblo KannopoBOyHon KpnBon,oTpakalowen 3aBnCnMOCTb MaccoBon KOHueHTpaunn xnopnna B 06-pa3uax Kann6poBKN OT chnbl ToKa.KannopoBouHble 3aBNCNMOCTN yCTaHaBnMBaloT c Ncnonb3oBaHneMo6pa3uoB n KannopoBkn,npnroToBneHHbIx pa3HbIX TMnoB N KOHueHTpaunn xnopn oB B NcnbITblBa-eMON He中TM,M3 naHne o中wuwanbHoeFOCT33703-20154 Annaparypa4.1 B o6em cny4ae aHann3atop cogepxaHn cone gonkeH cocToATb u3 6noka ynpaBneHn,06e-cne4nBaowero opMnpoBaHne n oToopakeHne HecKonbknx ypoBHen HanpxeHnA,HeOoxognmoro An Bo3-gecTBA Ha Habop 3nekTpogoB B CnbITaTenLHOM MepHOM CTaKaHe,cogepawem aHan3npyeMbi pac-TBOp.AHann3aTop gonxeH o6ecne4BaTL 3MepeHe n oTo6paxeHe cnbI ToKa,MA,npoxogawero yepe3aHann3upyeMbin pacTBop Mexy anekTpoaM Ha KaAoM ypoBHe HanpeHn.p n Me 4 a H ne-HeKoTopble aHann3aTopbi ocyecTBnAOT BHyTPeHHee 3MepeHne HanpKeHA cnbI ToKa nocne cpaBHeHA c BHyTpeHHnM KanOpoBo4HbIMN KPBbIMN OTOOpaxaHoT nony4eHHoe 3Ha4eHe KOHLeHTPa.4.2 CTaKaH MepHbi BMeCTMOCTbio 100 Mn,BbicoKn,6e3 Hocnka,no OCT 25336.4.3 nneTKa BMeCTMOCTbo 10 Mn no FOCT 29227.4.4 LunHApbi BMectMOCtbio 100 Mn,c npuTepTo npo6Ko,no OCT 1770.4.5 Kon6bi MepHbie no FOCT 1770.5 PeaKTBbI MaTepnanbl5.1 Kcunon no FOCT 9410.5.2 Boga AncTnnpoBaHHa no OCT 6709.5.3 PacTBopnTenL CMewaHHbi cnupToBo.CMewnBaoT 63 yacTn 1-6yTaHona no OCT 6006 n 37 ya-crei unctoro(6e3BogHoro)metunoBoro cnnpra no FOCT 2222.Ha kaxqbii nntp gaHHoi cMecn go6aBnAoT3 Mn B0Abl.p n Me 4 a H ne-CMewiaHHb chpToBo pactBoputenb npurogeH K npMeHeHo,ecnn ero npoBoAMoctbcocTaBngeT MeHee 0,25 MA np HanpaxeH 126 B nepeMeHHoro Toka.Bbicoka npoBOAnMOCTb MOKeT ObITb Bbi3BaHa4pe3MepHbIM CoAepaHeM BOAbi B pacTBoputene n MOXeT ABnTbcA noKa3ateneM Toro,To Cnonb3yeMb MeTnoBbiicnpT He BngeTc e3BAHbIM.5.4 PacTBop xnopnga kanbyna CaCl(10 r/n).lomewaoT(1,00 0,01)r CaCl2 unu cooTBeTcTByoeeKon4eCTBO BOAHOn con B MepHyO KOn6y BMeCTMOCTbi 100 Mn,3aTeM pacTBOPAoT BeWeCTBO B 25 MnBOAb.Pa3aBnioT Ao MeTkn CMewaHHbIM cpTOBbiM pacTBOpnTeneM.5.5 PacBop xnopnga marHna MgCl2(10 r/n).NlomewaoT(1,00 0,01)r MgCl2 unn cooTBeTcTByoeeKonn4eCTBO BOAHOM con B MepHyO KOn6y BMeCTMOCTbO 100 Mn,3aTeM pacTBOPAIOT BeeCTBO B 25 MnBOAb.Pa3aBngioT Ao MeTkn CMewaHHbIM cnpTOBbiM pacTBOpnTeneM.5.6 PacTBop xnopnga Harpna NaCl(10 r/n).loMewaoT(1,00 0,01)r NaCI nn cooTBeTcTByouee Ko-nn4eCTBO BOAHO conn B MepHyio Kon6y BMeCTnMOCTbiO 100 Mn,3aTeM pacTBOpAIOT BeWeCTBO B 25 Mn BOAbI.Pa36aBnioT Ao MeTkn CMewaHHbIM CnpTOBbIM pacTBOpTeneM.5.7 Hetb o4neHha-no6a o4nweHhag ecxnopnAHag Hetb 6e3 npncagoK,c Ba3Koctbio npn-6n3TenbHo 20 MM2/c(CCT),KOMHaTHO TeMnepaTypbI.5.8 PacTBop conei cMewaHHLi(pacTBop KoHyeHTppoBaHHL).CMewnBaoT 10,0 Mn pacTBopa CaCl,20,0 Mn pacTBopa MgCl n 70,0 mn pacTBopa NaCl B MepHon Kon6e BMeCTMOCTbIO 100 Mn.TaTenbHOnepeMewBaoT.p n Me 4 a H n e-CooTHoweHne 10:20:70 cooTBeTcTByeT cogepxaHnio xnopnAoB B pge cTaHAapTHbIX pa3-HOBAHOCTe Hept.pn 3BeCTHOM COOTHoweHnn XnopnAoB KanbynA,Marhna n HatpnA B KoHKPeTHO pa3HOBAHOCtHet cnonb3yot AaHHoe cootHoweHne An ooecneeHng Hanoonee To4HbIx pe3ynbTaToB.5.9 PacTBop cone cMewaHHbii.lomewaoT 10 mn KoHyeHTpnpoBaHHoro cMewaHHoro pacTBopa coneiB MepHyio Kon6y BMeCTnMOCTbio 1000 Mn n pa36aBnoT go MeTKn CMewaHHbIM CnPTOBbIM pacTBOpTeneM.6 OT6op npo6bi An cnbITaH6.1 门po6y Ana ucbitahna ot6npaiot u3 06beAuHeHho npo6bi B 06beme,Heo6xoAnmom Ana npoBege-H cnbITaH no 9.1.6.2 An o6ecne4eHua nonHo oHopoAHoctn 06beAnHeHHyio npo6y nepemewnBaioT B Te4eHne 15 MHHenocpeAcTBeHHo nepeg or6opom npo6bi An ncnbITaHn.epeMewnBaot npo6y npn KoMHaTHon TeMnepa-Type or 15 C Ao 25 C.6.3 nKcnpyioT Temnepatypy npo6Li HenocpeAcTBeHHo nocne romoreHn3aynn.YBenn4eHne nony4eH-Hon TeMnepatypbi no cpaBHeHIo c HayanbHbiMn noKa3aHAMn nocne nepeMeuMBaHnA He gonkHo npeBbi-waTb 10 C.2