Designation:D3677−10(Reapproved2019)StandardTestMethodsforRubber—IdentificationbyInfraredSpectrophotometry1ThisstandardisissuedunderthefixeddesignationD3677;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.ThisstandardhasbeenapprovedforusebyagenciesoftheU.S.DepartmentofDefense.1.Scope1.1Thesetestmethodscoverrubberidentificationandarebasedoninfraredexaminationofpyrolysisproducts(pyrolyz-ates)andfilms.1.2Thesetestmethodsareapplicabletorubbersintherawstateand,whencompounded,bothinthecuredanduncuredstate.1.3Sinceitiscustomaryininfraredspectrophotometrytousewavenumbers(cm−1)ratherthanHertz(Hz),theunitforfrequencyintheSIsystem,theformerisemployedthroughoutthistestmethod.1.4Thistestmethodassumesthatspecimensandinfraredspectraarepreparedandanalyzedbyexperiencedpersonnelandthattheequipmentisoperatedaccordingtothemanufac-turer’sdirectionforoptimumperformance.Nodetailsforoperationofinfraredspectrophotometersareincludedinthistestmethod.1.5Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafety,health,andenvironmentalpracticesanddeter-minetheapplicabilityofregulatorylimitationspriortouse.SpecificprecautionarystatementsaregiveninSection17.1.6Thisinternationalstandardwasdevelopedinaccor-dancewithinternationallyrecognizedprinciplesonstandard-izationestablishedintheDecisiononPrinciplesfortheDevelopmentofInternationalStandards,GuidesandRecom-mendationsissuedbytheWorldTradeOrganizationTechnicalBarrierstoTrade(TBT)Committee.2.ReferencedDocuments2.1ASTMStandards:2D297TestMethodsforRubberProducts—ChemicalAnaly-sisD1418PracticeforRubberandRubberLatices—NomenclatureD3452PracticeforRubber—IdentificationbyPyrolysis-GasChromatographyE168PracticesforGeneralTechniquesofInfraredQu...
