Designation:D5594−18aStandardTestMethodforDeterminationoftheVinylAcetateContentofEthylene-VinylAcetate(EVA)CopolymersbyFourierTransformInfraredSpectroscopy(FT-IR)1ThisstandardisissuedunderthefixeddesignationD5594;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope*1.1Thistestmethodcoversinfraredproceduresfordeter-miningthevinylacetatecontentofEVAcopolymersusingpressedfilms(ProcedureA)ormoldedplaques(ProcedureB)andinternalcorrectionsforsamplethickness.1.2ThistestmethodisapplicabletotheanalysisofEVAcopolymerscontaining0.5to55%vinylacetateexceptasspecifiedin1.3.1.3Talcinterfereswiththe1020cm−1vinylacetateband.Resinscontaining<5%vinylacetateandtalcareexcludedfromthescopeofthistestmethod.1.4ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareprovidedforinformationpurposesonly.1.5Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.Specificprecau-tionarystatementsaregiveninSection8.NOTE1—ThereisnoknownISOequivalenttothisstandard.1.6Thisinternationalstandardwasdevelopedinaccor-dancewithinternationallyrecognizedprinciplesonstandard-izationestablishedintheDecisiononPrinciplesfortheDevelopmentofInternationalStandards,GuidesandRecom-mendationsissuedbytheWorldTradeOrganizationTechnicalBarrierstoTrade(TBT)Committee.2.ReferencedDocuments2.1ASTMStandards:2E131TerminologyRelatingtoMolecularSpectroscopyE168PracticesforGeneralTechniquesofInfraredQuanti-tativeAnalysisE177PracticeforUseoftheTermsPrecisionandBiasinASTMTestMethodsE691PracticeforConductinganInterlaboratoryStudytoDeterminethePrecisionofaTestMethodIEEE/ASTMSI-10UseoftheInternationalSystemofUnits(...
