Designation:D7210−13StandardPracticeforExtractionofAdditivesinPolyolefinPlastics1ThisstandardisissuedunderthefixeddesignationD7210;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope*1.1Thispracticecoversavarietyofextractiontechniquesforantioxidantandslipadditivesusedinpolyolefins.Typically,theextractedadditivesareseparatedandquantifiedusingachromatographictechniquesuchastheprocedureexplainedinTestMethodD6953.Chromatographicanalysisoftheextractsisnotincludedinthispractice.1.2Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.NOTE1—ThereisnoknownISOequivalenttothisstandard.2.ReferencedDocuments2.1ASTMStandards:2D883TerminologyRelatingtoPlasticsD1600TerminologyforAbbreviatedTermsRelatingtoPlas-ticsD6953TestMethodforDeterminationofAntioxidantsandErucamideSlipAdditivesinPolyethyleneUsingLiquidChromatography(LC)E131TerminologyRelatingtoMolecularSpectroscopy3.Terminology3.1Definitions:3.1.1Fordefinitionsofplastictermsusedinthispractice,seeTerminologiesD883andD1600.3.2Forunits,symbols,andabbreviationsusedinthispracticerefertoTerminologyE131.3.3Abbreviations:3.3.1LDPE—Low-DensityPolyethylene3.3.2LLDPE—LinearLow-DensityPolyethylene3.3.3HDPE—High-DensityPolyethylene3.3.4PP—Polypropylene3.4Definitions:Additives:3.4.1BHEB—2,6-di-t-butyl-4-ethyl-phenolorbutylatedhy-droxyethylbenzene,CASNo.4130-42-13.4.2BHT—2,6-di-t-butyl-cresolorbutylatedhydroxytoluene,CASNo.128-37-03.4.32-benzotriazol-2-yl-4-methylphenol,CASNo.2440-22-43.4.4bis(3,3,5,5-tetramethyl-4-piperidyl)decanedioate,CASNo.91450-21-43.4.5Cis-13-docosenamideorerucamideslip,CASNo.112-84-53.4.6N,N’-diphenylbenzene-1,4-di...