ISO 04723-2023.docx

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1、INTERNATIONA1.STANDARDISO4723editionFirSt2023“1Waterqua1.ityActinium-227Testmethodusinga1.pha-spectrometryQUQIiMdeeauActinium227Methodedessaiparspectrom&riea1.phaISO2023COPYRIGHTPROTECTEDDOCUMENTISO2023IUirhM*hedbdi1.iUedotherwiseupdhi.o啪InyM1.tta0DmkfifiU81.andonnet8CH-1214Vernier,GenevaPhone：M1.22

2、7490111觥ftte:丽丽BQrgPub1.ishedinSwitzer1.andForewordISO(theInternationa1.OrganizationforStandardization)isawor1.dwidefederationofnationa1.standardsttiugh(ISOmrtmiw)bMdniK盟RAucekdHpfff1.QbbGgbodyIcommitteehasbeenestab1.ishedhastherighttoberepresentedonthatcommittee.Internationa1.organizations,governme

3、nta1.andnon-governmenta1.,in1.iaisonwithISO,a1.sotakepartinthework.ISOco1.1.aboratesc1.ose1.ywiththee1.ectrotechnica1.standardization.Internationa1.E1.ectrotechnica1.Commission(IEC)ona1.1.mattersofTheproceduresusedtodeve1.opthisdocumentandthoseintendedforitsfurthermaintenancearedyiFFHSOfISo雇etW1.kes

4、,s姗抬”not1.f1.fcfcww1.蝌闾IC限CordanCe麻theeditoria1.ru1.esoftheISO/IECDirectives,Part2(secwwsv.iso.org/direc1.ives).曲曲谶en1.a隧H%ntakes用福舐岫!瓢oncV三1.部隔隔1监8曲岫野ntm邓龈酣顺榔kgdaimcdpatentrightsinrespectthereof.Asofthedateofpub1.icationofthisdocumentISOhad/hadnotreceivednoticeof（八）patent(三)whichmayberequiredtoimp1

5、.ementthisdocument.However,i11p1.ementersare蜘临翻琳酬/mj，wWjSOQFg/眸IentS洗蝮油那ion,扁MMSPOn赖岫油嬲9的阳躲Orasuchpatentrights.Anytradeusedinthisconstitutenameendorsenent.documentisinformationgivenfortheconvenienceofusersanddoesnotForanexp1.anationofthevo1.untarynatureofstandards,themeaningofISOspecifictermsand幽幽蛔豳

6、酒侬遮W即辆O)assEif1.眦聚inwe帼1.见OnBarRWyE辟dead邮&CcsVbr11isoorgisoforeword.htmI.ThisdocumentwaspreparedRadioactivitymeasurements,byTechnica1.CommitteeISO/TC147,Waterqua1.ity,SubcommitteeSC3,Anyfeedbackorquestionsonthisdocumentshou1.dbedirectedtotheusersnationa1.standardsbody.Acomp1.ete1.istingofthesebodies

7、canbefoundarwwwGF7embe4um1.Introductionwaters,seawaters)containradionuc1.ideswhichcanbeofeithernatura1.,oranthropogenicorigin:andrunoffcanwater)watere1.easedfromtotechno)ogic1.processesinvo1.vingnatra1.1.y-ocrringanthropogenicradionuc1.idesemittingradionuc1.ides3suchasSrrCoandtransuranice1.ementsfou

8、ndinnatura1.Anthropogenicradionuc1.idesUsedbeforemedica1.dischargedindustria1.theenvironmentcanjandre1.easedbodies.occurredattheChornoby1.andFukushimanuc1.earfaci1.ities.nuc1.earinsta1.1.ationsduringp1.annedr3dionudidesandemergencyconcentrationssituations(2)resentdrinking-Nationa1.regu1.ationsusua1.

9、1.yspecifyefuentsactivityconcentrationenvironment.authorizedindrinkingComp1.ianceresu1.tsobtainedwithassessedassociatedUncertaintiesradioactivityinwaterSampIesGuide98-3PniVidedInIfReferenceisandspeci11edincoef1.fiCientofReferenceReferencesvaIueandbeenca1.cu1.atedusingtheformu1.a(Irinkingdoscwatcrrep

10、resentsarcsu1.ts1.owIcvc1.eftcctivctohumanhea1.thandmemberscxpcctcdpub1.ic.Thisriscansamp1.es.documentmethod(三)method(三)thisdocument1.a1.oratories,usedwhichvarioustodetermine227(seeScope).operationa1.requirements,reasonssuchasemergencysituations,1.owernationa1.guidance1.imits,andRadionuc1.idesarepre

11、sentthroughouttheenvironment;thus,waterbodies(e.g.surfacewaters,groundGISO2023-A1.1.rightsrrsrnro1.1.8.2.1.5 AmmOnia,C(NH*0H)=14,5mo1.1.-.8.2.1.6 Su1.furicacid,c(H2SO4)=0,18mo1.1.-.8.2.1.7 Ammonia,C(NH4。H)=0,145mo1.1.-.8.2.2 Apparatus8.2.2.1 E1.ectrodepositionapparatus,genera1.1.ycomposedofthefo1.kw

12、ing.8.2.2.2 G1.assorpo1.yethy1.enee1.ectrodepositionce1.1.8.2.2.3 P1.atinumwire(anode).c(cathode)withadiameteradaptedtothee1.ectrodepositionce1.1.8.2.2.6 Hotp1.ate.8.2.2.7 Petridish(g1.assorp1.astic).B.3Procedure8.3.1 Assemb1.yofthee1.ectrodepositionce1.1.ThisProCtothee1.ectrodepositionapparatusdesi

13、gnedforsma1.1.diameterstain1.essstee1.discs(seeFigureB.1.).452 scinti1.1.ationvia1.3 disk4 capassemb1.y5 baseFigureB.1.Diagramofane1.ectrodepositionce1.1.i2Thee1.ectrodepositionprocedureforthistypeofapparatusisasfo1.1.ows: P1.acethedeananddegreasedstain1.essstee1.discinthecapassemb1.y. Assemb1.ethec

14、e1.1.withthecap. Fi1.1.thece1.1.withwatertocheckfor1.eaks. Emptythece1.1. Fixthep1.atinumanodevertica1.1.ytoitsSuppor1.Thedistancebetweentheanodeandthedisc(cathode)isapproximate1.y3mm.B.3.2Ana1.ytedepositionUsingtheso1.utionobtainedfromthepurificationsteps,carryoutthefo1.1.owingoperations.Evaporatet

15、oneardryness;careshou1.dbetakentoavoidevaporatingthesamp1.etocomp1.etedryness.Add1m1.oftheso1.utionc(HNO3)=15,7mo1.1.1(B.2.1.1)andevaporatetoneardryness.Repea1.thisstepthreetimes.Add1m1.oftheso1.utionc(Na2SO4)=0,3mo1.1.-(B.2.1.2)andevaporatetodryness.Add0,5m1.oftheso1.utionc(H2SO4)=18mob1.(B.2.1.3).

16、Add10m1.ofdisti1.1.edwaterand3dropsoftheso1.utionc(C27H3oOsS)三8.57104mo1.1.1(B.2.1.4)andstir.AdjustthepHbetween2,1and2,3byaddingtheso1.utionC(NH4。H)=14,5mo1.1.(B.2.1.5)(co1.ourchangesfromredtoorange,apH-metercana1.sobeused).Introducethisso1.utionintotheC1.ec1.rodepositionce1.1.BftA!中目dMf1.cdAqtYAH8f

17、t1.1.ihtRj1.Eatusf1.uoride(e.g.1.anthanumorcerium).Theequipmentusedfbrthecoprecipitationmethodgenera1.1.yinc1.udesthefo1.1.owing:C.2.1Ce1.1.u1.oseestermembranefi1.ter(porediameter:0r22mto0,1m,25mmdiameter).C.2.3Stain1.essstee1.discwithastickyside(thediametershou1.dbethesameasforthefi1.ter).Fi1.trati

18、onsystem.C.3ReagentsC.3.1Hydroch1.oricacid(HCI)rc(HC)三12,1mo1.1.-.C.3.2Ammonium(NHOH),C(NHH)=14.5mo1.1.-.C.3.3Titaniuin(I1.1.)trich1.orideinIiC1.so1.ution(e.g.12no1.a1.-HC1.),C(TiCI3)=0,78mo1.1.-.C.3.41.anthanideso1.ution,C(1.n3。=500gm1.-(e.g.Ceor1.a)(nitrateorch1.oridesa1.t).C.3.5Hydrof1.uoricacid(

19、HF)so1.ution,c(HF)=28.9mo!1.-(aso1.utionofammoniumuorideF)1.tanotsamemo1.arity,canbeusedinstead).C.4ProcedureEnsurethesamp1.eisdisso1.vedwiUu1.eHCI(C.3.1)so1.utionandthattheacidmo1.arityisbetween0,01theso1.utiontoadjustthemo1.arityifneeded.Thesamp1.esha1.1.beinap1.asticcontainerthatcanbedosedvNOTETh

20、eaddmo1.aritycanbehigher,buttherecoverywi1.1.be1.ower.HNO3canbeusedinsteadofHC1.whenon1.yinterestedinactinidesthatarcusua1.1.ystab1.eatoxidationstates+3and+4suchasc3sT1.u,m3sandCm3*.Add0.1m1.oftheso1.utionc(TiCh)=0,78rno1.1.-(C.3.3).5,fckfcdimfi1.nued43andsdDKhAciHCRhswAIXenIyan(CnteCeStUdinactinide

21、sthatarcusua1.1.ystab1.eatAdd50gof1.anthanidefromthe1.anthanideso1.utionC(1.n(NO3)3)=500gm1.-(0,1m1.)(C.3.4).Add0,5m1.ofthe28,9mo1.1.-HFso1.ution,mix,and1.etsett1.efor5min(C.3.5).Recovertheprecipitateby1.ightvacuumfi1.teringonthemembranefi1.ter.Ensurecomp1.etetransferoftheprecipitatebysuccessivewash

22、ingswithwater.Rinsethefi1.terwith1m1.to2m1.ofethano1.(C.3.6).S1.ickthewetfi1.teronmeta1.discwithastickysiderwiththeprecipitateontop.1.etthefi1.tertodryinopenairforafewminutes.Measurethesamp1.ebya1.phaspectrometry.Bib1.iography14;RaP*3NiRPmWin制IAFftmisMWiHngAftWcy,Pv自睡ofRadiationProtection.Safety2ICR

23、P,2007)Anna1.softheICRPPub1.ication103：The2007Recommendationsoftheinternationa1.CommissiononRadio1.ogica1.ProtectionEditor.VA1.ENTINPub1.ishedforTheInternationa1.34A初TM1.W%5Ky斓侬做QM研)因W仇MiW)喇的耐对W偌跳何碗制陶倜%麻野y20114WHO,Guide1.inesforDrinking-waterQua1.ity,Fourthedition,incorporatingthefirstandsecondadden

24、da,Geneva,20225 松飒碎包畋侬碗幽皿刷帆帼血/痴城砍硒方喻秘函帆fsamp1.ingdatafor6 加能叫破他iR何以仰WJ则牺睇由瞰曲4(f1.的那施.谕称ckomintakeof7 ICRPPub1.ication119(2012)tCompendiumofdosecoefficientsbasedonICRPpub1.ication60rjb3wM淞eonjB加丽OnHenriBecquere1.RecommendedData.Tab1.esofeva1.uateddataand9JWaterqua1.itySamp1.ingPart4:Guidanceonsamp1.i

25、ngfrom1.akes,natura1.and104劣犯/Sfq除纳依的面双榔珈明突博摩5：GuidanceonSamPIingOfdHnkingwaterfrom11ISO5667-6,Waterqua1.itySamp1.ingPart6：Guidanceonsamp1.ingofriversandstreams12jfJts5667-7,Waterqua1.itySamp1.ingPart7:Guidanceonsamp1.ingofwaterandsteaminboi1.er(13ISO5667-8,Waterqua1.itySamp1.ingPart8：Guidanceonthes

26、amp1.ingofwetdeposition14ISO5667-9,Waterqua1.itySamp1.ingPart9：Guidanceonsamp1.ingfrommarinewaters,15ISO5667-11,Waterquu1.itySamp1.ingPart11:Guidanceonsamp1.ingOfgroundwaters116探防ro5714.1.夕6;UW打班EdWP附加朋frndMgGuidanceonqua1.ityassuranceandqua1.ity17JE1.ectrodepositionofActinidesforA1.phaSpectrornetricDetermination,N.A.Ta1.vitic,Ana1.Chem.(1972),44,2：280-283