Designation:D5507−21aStandardTestMethodforDeterminationofTraceOrganicImpuritiesinMonomerGradeVinylChloridebyCapillaryColumn/MultidimensionalGasChromatography1ThisstandardisissuedunderthefixeddesignationD5507;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope*1.1Thisisageneral-purposecapillary-basedtestmethodforthedeterminationoftracelevelimpuritiesinhigh-purityvinylchloride.ThistestmethodusesseriallycoupledcapillaryPLOTcolumnsinconjunctionwiththemultidimensionaltechniquesofcolumnswitchingandcryogenictrappingtopermitthecompleteseparationofthe11keyvinylchlorideimpuritiesinasingle25-minrun.NOTE1—ThereisnoknownISOequivalenttothisstandard.1.2Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafety,health,andenvironmentalpracticesanddeter-minetheapplicabilityofregulatorylimitationspriortouse.SpecifichazardsstatementsaregiveninSection8.1.3Thisinternationalstandardwasdevelopedinaccor-dancewithinternationallyrecognizedprinciplesonstandard-izationestablishedintheDecisiononPrinciplesfortheDevelopmentofInternationalStandards,GuidesandRecom-mendationsissuedbytheWorldTradeOrganizationTechnicalBarrierstoTrade(TBT)Committee.2.ReferencedDocuments2.1ASTMStandards:2D883TerminologyRelatingtoPlasticsD1600TerminologyforAbbreviatedTermsRelatingtoPlas-ticsE456TerminologyRelatingtoQualityandStatisticsE2935PracticeforConductingEquivalenceTestsforCom-paringTestingProcessesF307PracticeforSamplingPressurizedGasforGasAnaly-sis3.Terminology3.1Definitions—Fordefinitionsoftermsinthistestmethodrelatingtoplastics,refertoTerminologyD883.Forabbrevia-tionsusedinthistestmethod,refertoTerminologyD1600.Fordefinitionsoftermsthatappearinthistestmethodrelatingtoqualityandstatistics,refertoTerm...
