Designation:D5594−98(Reapproved2012)StandardTestMethodforDeterminationoftheVinylAcetateContentofEthylene-VinylAcetate(EVA)CopolymersbyFourierTransformInfraredSpectroscopy(FT-IR)1ThisstandardisissuedunderthefixeddesignationD5594;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thistestmethodcoversinfraredproceduresfordeter-miningthevinylacetatecontentofEVAcopolymersusingpressedfilms(ProcedureA)ormoldedplaques(ProcedureB)andinternalcorrectionsforsamplethickness.1.2ThistestmethodisapplicabletotheanalysisofEVAcopolymerscontaining0.5to55%vinylacetateexceptasspecifiedin1.3.1.3Talcinterfereswiththe1020cm−1vinylacetateband.Resinscontaining<5%vinylacetateandtalcareexcludedfromthescopeofthistestmethod.1.4ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thevaluesgiveninbracketsareprovidedforinformationpurposesonly.1.5Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.Specificprecau-tionarystatementsaregiveninSection8.NOTE1—ThistestmethodisnotequivalenttoISO8985.2.ReferencedDocuments2.1ASTMStandards:2E131TerminologyRelatingtoMolecularSpectroscopyE168PracticesforGeneralTechniquesofInfraredQuanti-tativeAnalysisE177PracticeforUseoftheTermsPrecisionandBiasinASTMTestMethodsIEEE/ASTMSI-10UseoftheInternationalSystemofUnits(SI):TheModemMetricSystemE691PracticeforConductinganInterlaboratoryStudytoDeterminethePrecisionofaTestMethod2.2ISOStandard:ISO8985Plastics—Ethylene/VinylAcetateCopolymerThermoplastics—DeterminationofVinylAcetate3,43.Terminology3.1Definitions:3.1.1Units,symbols,andabbreviationsusedinthistestmethodappearinTerminologyE131orIEEE/ASTMSI-10.3.2Abbreviations:3.2.1...
