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1、ENISO7012-3April2025Peinturesetvernis-Dosagedesagentsdepreservationdanslesproduitsdepeinturediluablesaeau-Partie3:DosagedesisothiazolinonesenpotparCL-UVetCL-SM(ISO7012-3:2025)Beschichtungsstoffe-BestimmungvonKonservierungsmittelninWasserverdunnbarenBeschichtungsstoffen-Teil3:BestimmungvonIsothiazoli
2、nonenimGebindemitLC-UVundLC-MS-MS(ISO7012-3:2025)EUROPEANSTANDARDNORMEEUROPEENNEEuropaischenormICS87.040EnglishVersionPaintsandvarnishes-Determinationofpreservativesinwater-dilutablecoatingmaterials-Part3:Determinationofin-canisothiazolinoneswithLC-UVandLC-MS(ISO7012-3:2025)ThisEuropeanStandardwasap
3、provedbyCENon27March2025.CENmembersareboundtocomplywiththeCEN/CENELECInternalRegulationswhichstipulatetheconditionsforgivingthisEuropeanStandardthestatusofanationalstandardwithoutanyalteration.Up-to-datelistsandbibliographicalreferencesconcerningsuchnationalstandardsmaybeobtainedonapplicationtotheCE
4、N-CENELECManagementCentreortoanyCENmember.ThisEuropeanStandardexistsinthreeofficialversions(English,French,German).AversioninanyotherlanguagemadebytranslationundertheresponsibilityofaCENmemberintoitsownlanguageandnotifiedtotheCEN-CENELECManagementCentrehasthesamestatusastheofficialversions.CENmember
5、sarethenationalstandardsbodiesofAustria,Belgium,Bulgaria,Croatia,Cyprus,CzechRepublic,Denmark,Estonia,Finland,France,Germany,Greece,Hungary,Iceland,Ireland,Italy,Latvia,Lithuania,Luxembourg,Malta,Netherlands,Norway,Poland,Portugal,RepublicofNorthMacedonia,Romania,Serbia,Slovakia,Slovenia,Spain,Swede
6、n,Switzerland,TiirkiyeandUnitedKingdom.富EUROPEANCOMMITTEEFORSTANDARDIZATIONCOMITEEUROPEENDENORMALISATIONEuropaischeskomiteefurnormungCEN-CENELECManagementCentre:RuedelaScience23,B-1040BrusselsRef.No.ENISO7012-3:2025E2025CENAllrightsofexploitationinanyformandbyanymeansreservedworldwideforCENnationalM
7、embers.ContentsPageEuropeanforeword3EuropeanforewordThisdocument(ENISO7012-3:2025)hasbeenpreparedbyTechnicalCommitteeISO/TC35PaintsandvarnishesincollaborationwithTechnicalCommitteeCEN/TC139PaintsandvarnisheswthesecretariatofwhichisheldbyDIN.ThisEuropeanStandardshallbegiventhestatusofanationalstandar
8、d,eitherbypublicationofanidenticaltextorbyendorsement,atthelatestbyOctober2025,andconflictingnationalstandardsshallbewithdrawnatthelatestbyOctober2025.Attentionisdrawntothepossibilitythatsomeoftheelementsofthisdocumentmaybethesubjectofpatentrights.CENshallnotbeheldresponsibleforidentifyinganyorallsu
9、chpatentrights.Anyfeedbackandquestionsonthisdocumentshouldbedirectedtotheusersnationalstandardsbody/nationalcommittee.AcompletelistingofthesebodiescanbefoundontheCENwebsite.AccordingtotheCEN-CENELECInternalRegulations,thenationalstandardsorganizationsofthefollowingcountriesareboundtoimplementthisEur
10、opeanStandard:Austria,Belgium,Bulgaria,Croatia,Cyprus,CzechRepublic,Denmark,Estonia,Finland,France,Germany,Greece,Hungary,Iceland,Ireland,Italy,Latvia,Lithuania,Luxembourg,Malta,Netherlands,Norway,Poland,Portugal,RepublicofNorthMacedonia,Romania,Serbia,Slovakia,Slovenia,Spain,Sweden,Switzerland,Tiir
11、kiyeandtheUnitedKingdom.EndorsementnoticeThetextofISO7012-3:2025hasbeenapprovedbyCENasENISO7012-3:2025withoutanymodification.ISOInternationalStandardISO7012-3Firstedition2025-03Paintsandvarnishes一Determinationofpreservativesinwater-dilutablecoatingmaterials一Part3:Determinationofin-canIsothiazolinone
12、swithLC-UVandLC-MSPeinturesetvernisDosagedesagentsdepreservationdanslesproduitsdepeinturediluablesaeau一Partie3:DosagedesisothiazolinonesenpotparCL-UVetCL-SMReferencenumberISO7012-3:2025(en)COPYRIGHTPROTECTEDDOCUMENTISO2025Allrightsreserved.Unlessotherwisespecified,orrequiredinthecontextofitsimplemen
13、tation,nopartofthispublicationmaybereproducedorutilizedotherwiseinanyformorbyanymeans,electronicormechanical,includingphotocopying,orpostingontheinternetoranintranet,withoutpriorwrittenpermission.PermissioncanberequestedfromeitherISOattheaddressbeloworISO,smemberbodyinthecountryoftherequester.ISOcop
14、yrightofficeCP401Ch.deBlandonnet8CH-1214Vernier,GenevaPhone:+4122749Ol11Email:copyrightiso.orgWebsite:www.iso.orgPublishedinSwitzerlandContentsPageForewordiv1 Scope12 Normativereferences13 Termsanddefinitions14 Principle25 Apparatus25.1 General25.2 Equipmentforextractionandsamplepreparation25.3 LC-U
15、V/VISsystem35.4 LC-MS/MSorLC-MSsystem36 Reagentsandmaterials37 Sampling58 Procedure58.1 General58.2 LC-UV/VISmethod58.2.1 ExtractionofLC-UV/VIS58.2.2 OperationconditionsofLC-UV/VIS68.2.3 Blank68.2.4 InterferencesofLC-UV/VIS68.2.5 CalibrationofLC-UV/VIS68.2.6 DeterminationbyLC-UV/VIS78.3 LC-MSmethod78.3.1 ExtractionofLC-MS78.3.2 Furtherdilution78.3.3 Filtration88.3.4 OperationconditionsofLC-MS88.3.5 Blank88.3.6 InterferencesofLC-MS88.3.7 CalibrationofLC-MS88.3.8 DeterminationbyLC-MS99 Calculation910 Precision1010.1 General1010.2 Repeatabi
