Designation:D6334−12(Reapproved2017)´1StandardTestMethodforSulfurinGasolinebyWavelengthDispersiveX-RayFluorescence1ThisstandardisissuedunderthefixeddesignationD6334;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.ε1NOTE—TheoriginalpublicationdateinFootnote1wascorrectededitoriallyinJune2018.1.Scope1.1Thistestmethodcoversthequantitativedeterminationoftotalsulfuringasolineandgasoline-oxygenateblends.ThePooledLimitofQuantitation(PLOQ)wasdeterminedtobe15mg⁄kg.Therefore,thepracticalrangeforthistestmethodisfrom15mg⁄kgto940mg⁄kg.NOTE1—Thisconcentrationrangeisbasedonthatusedintheinterlaboratoryroundrobin,whichshowsthattherangeofsulfurintheroundrobinsampleswasfrom1.5mg⁄kgto940mg⁄kg;however,below15mg⁄kg,thereproducibilityapproaches100%oftheconcentration.1.2Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafety,health,andenvironmentalpracticesanddeter-minetheapplicabilityofregulatorylimitationspriortouse.1.3ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thepreferredunitsaremg/kgsulfur.1.4Thisinternationalstandardwasdevelopedinaccor-dancewithinternationallyrecognizedprinciplesonstandard-izationestablishedintheDecisiononPrinciplesfortheDevelopmentofInternationalStandards,GuidesandRecom-mendationsissuedbytheWorldTradeOrganizationTechnicalBarrierstoTrade(TBT)Committee.2.ReferencedDocuments2.1ASTMStandards:2D2622TestMethodforSulfurinPetroleumProductsbyWavelengthDispersiveX-rayFluorescenceSpectrometryD3210TestMethodforComparingColorsofFilmsfromWater-EmulsionFloorPolishesD4045TestMethodforSulfurinPetroleumProductsbyHydrogenolysisandRateometricColorimetryD4057PracticeforManualSamplingofPetroleumandPetroleumProductsD4177PracticeforAutomaticSamplingofPetroleuma...