Designation:D8143−17(Reapproved2022)StandardTestMethodforDeterminationoftheEU-8ListofPAHCompoundsinCarbonBlack1ThisstandardisissuedunderthefixeddesignationD8143;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1ThistestmethodcoversthequalitativeandquantitativedeterminationoftheEU-8listofpolycyclicaromatichydro-carbons(PAH)oncarbonblack.TheEU-8listofPAHcompoundsisgiveninTable1.TheprocedureinvolvesSoxhletextractionwithtoluenefollowedbyextractanalysisusinggaschromatographywithmassspectrometry(GC/MS).ThismethodisnotintendedtotestforU.S.FoodandDrugAdministration(FDA21CFR178.3297)complianceofcarbonblacksusedforindirectfoodcontactapplications.1.2Units—ThevaluesstatedinSIunitsaretoberegardedasthestandard.Nootherunitsofmeasurementareincludedinthisstandard.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafety,health,andenvironmentalpracticesanddeter-minetheapplicabilityofregulatorylimitationspriortouse.1.4Thisinternationalstandardwasdevelopedinaccor-dancewithinternationallyrecognizedprinciplesonstandard-izationestablishedintheDecisiononPrinciplesfortheDevelopmentofInternationalStandards,GuidesandRecom-mendationsissuedbytheWorldTradeOrganizationTechnicalBarrierstoTrade(TBT)Committee.2.ReferencedDocuments2.1FederalStandard:221CFR178.3297IndirectFoodAdditives:Adjuvants,Pro-ductionsAids,andSanitizers,ColorantsforPolymers3.Terminology3.1DefinitionsofTermsSpecifictoThisStandard:3.1.1polycyclicaromatichydrocarbon,PAH,n—organiccompound(s)thatconsistofchemicalstructuresofalternatingsingleanddoublebondsofaringlikenature(forexample,benzene),withnoheteroatomorothersubstituents;frequentlytheringsarefusedtomakelargerchemicalstructures.3.1.1.1Discussion—PAHnaturall...