Designation:D1552−16´1StandardTestMethodforSulfurinPetroleumProductsbyHighTemperatureCombustionandInfrared(IR)DetectionorThermalConductivityDetection(TCD)1ThisstandardisissuedunderthefixeddesignationD1552;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.ThisstandardhasbeenapprovedforusebyagenciesoftheU.S.DepartmentofDefense.ε1NOTE—ThetitlewascorrectededitoriallyinFebruary2017.1.Scope*1.1Thistestmethodcoversproceduresforthedetermina-tionoftotalsulfurinpetroleumproductsincludinglubricatingoilscontainingadditives,andinadditiveconcentrates.Thistestmethodisapplicabletosamplesboilingabove177°C(350°F)andcontainingamassfractionofsulfurbetween0.22%and24.2%.Othersulfurconcentrationsmaybeanalyzed,buttheprecisionstatedmayormaynotapply.TheseproceduresuseIRdetectionorTCDfollowingcombustioninafurnace.1.2Petroleumcokecontainingamassfractionofsulfurbetween2.53%to3.79%sulfurmaybeanalyzed.Othersulfurconcentrationsmaybeanalyzed,buttheprecisionstatedmayormaynotapply.NOTE1—TheD1552–08(2014)versionofthisstandardcontainedtwootherproceduresusingiodatetitrations.SincetheseproceduresarenolongerbeingusedintheindustrylaboratoriesbasedonasurveyofD02.SC3laboratoriesconductedinSeptember2014,theyarebeingdeleted.Forearlierinformationonthedeletedprocedures,D1552–08(2014)maybeperused.1.3ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareforinformationonly.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.2.ReferencedDocuments2.1ASTMStandards:2D4057PracticeforManualSamplingofPetroleumandPetroleumProductsD4177PracticeforAutomaticSamplingofPetroleumandPetroleumProducts...
