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1、Z5XISOInternationalStandardISO19396-1Secondedition2025-06Paintsandvarnishes一DeterminationofpHvalue一Part1:pHsensorswithglassmembranePeinturesetvernisDeterminationdeIavaleurdepHPartie1:SondesdepHamembraneenVerreReferencenumberISO19396-l:2025(en)COPYRIGHTPROTECTEDDOCUMENTISO2025Allrightsreserved.Unless
2、otherwisespecified,orrequiredinthecontextofitsimplementation,nopartofthispublicationmaybereproducedorutilizedotherwiseinanyformorbyanymeans,electronicormechanical,includingphotocopying,orpostingontheinternetoranintranet,withoutpriorwrittenpermission.PermissioncanberequestedfromeitherISOattheaddressb
3、eloworISO,smemberbodyinthecountryoftherequester.ISOcopyrightofficeCP401Ch.deBlandonnet8CH-1214Vernier,GenevaPhone:+41227490111Email:copyrightiso.orgWebsite:www.iso.orgPublishedinSwitzerlandContentsPageForewordivIntroductionv1 Scope12 Normativereferences13 Termsanddefinitions14 Principle45 Apparatusa
4、ndmaterials45.1 pHmeasuringapparatus45.2 pHmeter55.3 pHsensor55.4 Buffersolutions75.5 StoragesolutionforthepHsensors.76 Sampling77 PrOCedUre77.1 Testconditions77.2 Calibration77.3 Numberofdeterminations87.4 MeasuringthepHvalue88 Evaluation89 Precision89.1 General89.2 Repeatabilitylimit,r89.3 Reprodu
5、cibilitylimit,R910 Testreport9Annex A (informative)RecommendedpHsensorsfordifferentgroupsofcoatingmaterials,basedontheresultsofinterlaboratorytests10Annex B (informative)Determinationofprecision12Bibliography14ForewordISO(theInternationalOrganizationforStandardization)isaworldwidefederationofnationa
6、lstandardsbodies(ISOmemberbodies).TheworkofpreparingInternationalStandardsisnormallycarriedoutthroughISOtechnicalcommittees.Eachmemberbodyinterestedinasubjectforwhichatechnicalcommitteehasbeenestablishedhastherighttoberepresentedonthatcommittee.Internationalorganizations,governmentalandnon-governmen
7、tal,inliaisonwithISO,alsotakepartinthework.ISOcollaboratescloselywiththeInternationalElectrotechnicalCommission(IEC)onallmattersofelectrotechnicalstandardization.TheproceduresusedtodevelopthisdocumentandthoseintendedforitsfurthermaintenancearedescribedintheISO/IECDirectives,Part1.Inparticular,thedif
8、ferentapprovalcriterianeededforthedifferenttypesofISOdocumentshouldbenoted.ThisdocumentwasdraftedinaccordancewiththeeditorialrulesoftheISO/IECDirectives,Part2(seeWWW.iso.org/directives).ISOdrawsattentiontothepossibilitythattheimplementationofthisdocumentmayinvolvetheuseof（八）patent(三).ISOtakesnoposit
9、ionconcerningtheevidence,validityorapplicabilityofanyclaimedpatentrightsinrespectthereof.Asofthedateofpublicationofthisdocument,ISOhadnotreceivednoticeof（八）patent(三)whichmayberequiredtoimplementthisdocument.HoweverlImplementersarecautionedthatthismaynotrepresentthelatestinformation,whichmaybeobtaine
10、dfromthepatentdatabaseavailableatWWW.iso.org/patents.ISOshallnotbeheldresponsibleforidentifyinganyorallsuchpatentrights.Anytradenameusedinthisdocumentisinformationgivenfortheconvenienceofusersanddoesnotconstituteanendorsement.Foranexplanationofthevoluntarynatureofstandards,themeaningofISOspecificter
11、msandexpressionsrelatedtoconformityassessment,aswellasinformationaboutISOsadherencetotheWorldTradeOrganization(WTO)principlesintheTechnicalBarrierstoTrade(TBT),seeWWW.iso.org/iso/foreword.htmLThisdocumentwaspreparedbyTechnicalCommitteeISO/TC35,Paintsandvarnishes,SubcommitteeSC9,Generaltestmethodsfor
12、paintsandvarnishes,incollaborationwiththeEuropeanCommitteeforStandardization(CEN)TechnicalCommitteeCEN/TC139,Paintsandvarnishes,inaccordancewiththeAgreementontechnicalcooperationbetweenISOandCEN(ViennaAgreement).Thissecondeditioncancelsandreplacesthefirstedition(ISO19396-1:2017),whichhasbeentechnica
13、llyrevised.Themainchangesareasfollows: definitionsfortheoreticalslope,stabilityofmeasuredValUe,potentiometricmeasurementchain”and(referenceelement1havebeendeleted; thetermpHelectrode11hasbeenchangedto“pHSenSOrintheentiretextincludingthetitleofthedocument; thecalibration(7.2)hasbeenclarified; thenorm
14、ativereferenceshavebeenupdated.AlistofallpartsintheISO19396seriescanbefoundontheISOwebsite.Anyfeedbackorquestionsonthisdocumentshouldbedirectedtotheusersnationalstandardsbody.Acompletelistingofthesebodiescanbefoundatwww.iso.orR/members.htmLIntroductionThepHvalueofaqueousproductsisofdecisiveimportanc
15、efortheproductpropertiesanddurability.ThisdocumentcoversamethodforlaboratorymeasurementofthepHvalueofpolymerdispersionsandcoatingmaterialsusingpHsensorswithaglassmembrane.ISO19396-2specifiesamethodformeasuringthepHvalueusingpHsensorswithion-sensitivefield-effecttransistor(ISFET)technology.PaintsandvarnishesDeterminationofpHvalue一Part1:pHsensorswithglassmembrane1 ScopeThisdocumentspecifiesamethodforlaboratorymeasurementofthepHvalueofpolymerdispersionsandcoatingmaterialsusingpHsensorswithaglassmembrane.2
