Designation:D7210−21StandardPracticeforExtractionofAdditivesinPolyolefinPlastics1ThisstandardisissuedunderthefixeddesignationD7210;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope*1.1Thispracticecoversavarietyofextractiontechniquesforantioxidantandslipadditivesusedinpolyolefins.Typically,theextractedadditivesareseparatedandquantifiedusingachromatographictechniquesuchastheprocedureexplainedinTestMethodD6953.Chromatographicanalysisoftheextractsisnotincludedinthispractice.1.2Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafety,health,andenvironmentalpracticesanddeter-minetheapplicabilityofregulatorylimitationspriortouse.NOTE1—ThereisnoknownISOequivalenttothisstandard.1.3Thisinternationalstandardwasdevelopedinaccor-dancewithinternationallyrecognizedprinciplesonstandard-izationestablishedintheDecisiononPrinciplesfortheDevelopmentofInternationalStandards,GuidesandRecom-mendationsissuedbytheWorldTradeOrganizationTechnicalBarrierstoTrade(TBT)Committee.2.ReferencedDocuments2.1ASTMStandards:2D883TerminologyRelatingtoPlasticsD1600TerminologyforAbbreviatedTermsRelatingtoPlas-ticsD6953TestMethodforDeterminationofAntioxidantsandErucamideSlipAdditivesinPolyethyleneUsingLiquidChromatography(LC)E131TerminologyRelatingtoMolecularSpectroscopy2.2OtherDocuments:DionexASE350ApplicationNote331—AcceleratedSol-ventExtractionofAdditivesfromPolymericMaterials33.Terminology3.1Definitions:3.1.1Fordefinitionsofplastictermsusedinthispractice,seeTerminologiesD883andD1600.3.2Forunits,symbols,andabbreviationsusedinthispracticerefertoTerminologyE131.3.3Abbreviations:3.3.1LDPE—Low-DensityPolyethylene3.3.2LLDPE—LinearLow-DensityPolyethylene3.3.3HDPE—High-DensityPolyethylene3.3....
