Designation:D5774−95(Reapproved2019)StandardTestMethodsforRubber—ChemicalAnalysisofExtractables1ThisstandardisissuedunderthefixeddesignationD5774;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thesetestmethodscoverthechemicalanalysisofextractablesfromsyntheticrubbersandareintendedforgeneraluseonsoliduncompoundedstyrene-butadienecopoly-merscommonlyreferredtoasSBR.Analysisofothersyntheticrubbersisalsopossiblewithsomeofthesetestmethods.Thetestmethodsandthesectionsinwhichtheyarecoveredareasfollows:SectionsTotalExtractables4–11OrganicAcid12–19Soap20–26Oil27–42NOTE1—ThenomenclatureusedinthesetestmethodsisinaccordancewithPracticeD1418.1.2Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafety,health,andenvironmentalpracticesanddeter-minetheapplicabilityofregulatorylimitationspriortouse.1.3Thisinternationalstandardwasdevelopedinaccor-dancewithinternationallyrecognizedprinciplesonstandard-izationestablishedintheDecisiononPrinciplesfortheDevelopmentofInternationalStandards,GuidesandRecom-mendationsissuedbytheWorldTradeOrganizationTechnicalBarrierstoTrade(TBT)Committee.2.ReferencedDocuments2.1ASTMStandards:2D297TestMethodsforRubberProducts—ChemicalAnaly-sisD1418PracticeforRubberandRubberLatices—NomenclatureD4483PracticeforEvaluatingPrecisionforTestMethodStandardsintheRubberandCarbonBlackManufacturingIndustries3.Reagents3.1PurityofReagents—Reagentgradechemicalsshallbeusedinalltests.Unlessotherwiseindicated,itisintendedthatallreagentsconformtothespecificationsoftheCommitteeonAnalyticalReagentsoftheAmericanChemicalSociety,wheresuchspecificationsareavailable.3Othergradesmaybeused,provideditisfirstascertainedthatthereagentisofsufficientlyhighpuritytope...
