Designation:D7768−12(Reapproved2018)StandardTestMethodforSpeciatedOrganicVolatileContentofWaterborneMulti-ComponentCoatingsbyGasChromatography1ThisstandardisissuedunderthefixeddesignationD7768;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thistestmethodisforthedeterminationoftheindi-vidualorganicvolatilecompoundsofwaterbornemulti-componentcoatingsusinggaschromatography(seeNote1).1.2Themethodhasalsobeenusedsuccessfullytodeter-minethespeciatedvolatileorganiccontentofsolvent-bornemulti-componentcoatings.Workiscontinuingtodevelopthisaspectofthemethodandwillbeaddedtothemethodatalaterdate.NOTE1—CurrentlytherearenomethodsforthedirectanalysisoftheVOCcontentofwaterbornemulti-componentcoatings.TheVOCcontentofsolvent-bornemulti-componentcoatingsisdetermineddirectlybyasimpleweightlossdeterminationofthemixedcomponents(TestMethodD2369).1.3ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafety,health,andenvironmentalpracticesanddeter-minetheapplicabilityofregulatorylimitationspriortouse.1.5Thisinternationalstandardwasdevelopedinaccor-dancewithinternationallyrecognizedprinciplesonstandard-izationestablishedintheDecisiononPrinciplesfortheDevelopmentofInternationalStandards,GuidesandRecom-mendationsissuedbytheWorldTradeOrganizationTechnicalBarrierstoTrade(TBT)Committee.2.ReferencedDocuments2.1ASTMStandards:2D1475TestMethodforDensityofLiquidCoatings,Inks,andRelatedProductsD2369TestMethodforVolatileContentofCoatingsD3792TestMethodforWaterContentofCoatingsbyDirectInjectionIntoaGasChromatographD3925PracticeforSamplingLiquidPaintsandRelatedPigmentedCoatingsD3960P...
