ISO／DIS 23655-2：2020.docx

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1、DRAFTINTERNATIONA1STANDARDISO/DIS23655-2ISOTC147SC3Secretariat:AFNORVotingbeginson:2023-08-26Votingterminateson:2023-11-18Waterqua1ityNicke1-59andnicke1-63Part2:TestmethodusingICP-MSQUQI泯deeauNicke159etNicke163Partie2：MdthodedessaiparICP-MSICS:13.060.60;17.240THISDOCUMENTISADRAFTCIRCU1ATEDFORCOMMENT

2、ANDAPPROVA1.ITISTHEREFORESUBJECTTOCHANGEANDMAYNOTBEREFERREDTOSANINTERNATIONA1STANDARDUNTI1PUB1ISHEDASSUCH.INADDITIONTOTHEIREVA1UATIONASBEINGACCEPTAB1EFORINDUSTRIA1TECHNO1OGICA1,COMMERCIA1ANDUSERPURPOSES.DRAFTINTERNATIONA1STANDARDSMAYONOCCASIONHAVETOBECONSIDEREDINTHE1IGHTOFTHEIRPOTENTIA1TOBECOMESTAND

3、ARDSTOWHICHREFERENCEMAYBEMADEINNATIONA1REGU1ATIONS.RECIPIENTSOFTHISDRAFTAREINVITEDTOSUBMIT.WITHTHEIRCOMMENTS.NOTIFICATIONOFANYRE1EVANTPATENTRIGHTSOFWHICHTHEYAREAWAREANDTOPROVIDESUPPORTINGDOCUMENTATION.Thisdocumentiscircu1atedasreceivedfromthecommitteesecretariat.ReferencenumberISO/DIS23655-2:2023(E)

4、COPYRIGHTPROTECTEDDOCUMENTISO2023A11rightsreserved.Un1essotherwisespecified,orrequiredinthecontextofitsimp1ementation,nopartofthispub1icationmaybereproducedoruti1izedotherwiseinanyformorbyanymeans,e1ectronicormechanica1,inc1udingphotocopying,orpostingontheinternetoranintranet,withoutpriorwrittenperm

5、ission.PermissioncanberequestedfromeitherISOattheaddressbe1oworISOsmemberbodyinthecountryoftherequesterISOcopyrightofficeCP401Ch.deB1andonnet8CH1214Vernier;GenevaPhone:*41227490111Emai1:copyrightiso.orgWebsite:www.iso.orgPub1ishedinSwitzer1andContentsForewordIntroduction.V1SCoPe12 Normativereference

6、s.13 Symbo1s,definitionsand3.1 Genera1USe23.2 Nicke1-59andnicke1*63specificterms4 Princip1e65 ReagentS_“_75.1 StandardSOIUtiOnS75.2 Ho1dbaCkCaITieI75.3 Water75.4 Specicreagentsforchemica1separation6 Equipment86.1 1aboratoryequipmentfordirectevaporation.一“一_._.86.2 MassSPeCtrOmetryVia1s.86.3 Measurem

7、entequipment:inductive1ycoup1edp1asmamassspectrometry(ICP-MS)97 SamPIiiIg98 ICP-MSsetupandca1ibration.98.1 Background.98.2 Ca1ibration98.3 Massbias108.4 Backgroundsigna1109 Procedure.109.1 PreIiminary109.2 Nicke1measurementso1utionpreparation1110 Qua1itycontro11211 Expressionofresu1ts1211.1 Nicke1re

8、covery“”“”“1211.2 Nicke1-59activityca1cu1ation1211.3 Nicke1-63activityca1cu1ation1311.4 UncertaintiesandcharacteristicIimitS_1311.5 1imitsofthecoverageinterva1.1412 Testreport15AnnexA(normative)Iso1ationandpurificationofnicke1.17A.1Precipitation,317A.2Extractionchromatography17ForewordISO(theInterna

9、tiona1OrganizationforStandardization)isawor1dwidefederationofnationa1standardsbodies(ISOmemberbodies).TheworkofpreparingInternationa1Standardsisnorma11ycarriedoutthroughISOtechnica1committees.Eachmemberbodyinterestedinasubjectforwhichatechnica1committeehasbeenestab1ishedhastherighttoberepresentedont

10、hatcommittee.Internationa1organizations,governmenta1andnon-governmenta1,in1iaisonwithISO,a1sotakepartinthework.ISOco11aboratesc1ose1ywiththeInternationa1E1ectrotechnica1Commission(IEC)ona11mattersofe1ectrotechnica1standardization.Theproceduresusedtodeve1opthisdocumentandthoseintendedforitsfurthermai

11、ntenancearedescribedintheISO/IECDirectives,Part1.Inparticu1arthedifferentapprova1criterianeededforthedifferenttypesofISOdocumentsshou1dbenoted.Thisdocumentwasdraftedinaccordancewiththeeditoria1n1esoftheISO/IECDirectives,Part2(seeWWW.iso.org/directives).Attentionisdrawntothepossibi1itythatsomeofthee1

12、ementsofthisdocumentmaybethesubjectofpatentrights.ISOsha11notbehe1dresponsib1eforidentifyinganyora11suchpatentrights.Detai1sofanypatentrightsidentifiedduringthedeve1opmentofthedocumentwi11beintheIntroductionand/orontheISO1istofpatentdec1arationsreceived(seeWWWjSoQrg/patents).AnytradenameusedinthisdocumentisinformationgivenfortheconvenienceofusersanddoesnotconstituteanendorsementForanexp1anationonthevo1untarynatureofstandards,themeaningofISOspecictermsandexpressionsre1atedtoconformityassessment,aswe11asinformationaboutISO,sadherencetotheWor1dTradeOrganization(WTO)princip1esin