Designation:D1552−15StandardTestMethodforSulfurinPetroleumProductsbyHighTemperatureCombustionandIRDetection1ThisstandardisissuedunderthefixeddesignationD1552;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.ThisstandardhasbeenapprovedforusebyagenciesoftheU.S.DepartmentofDefense.1.Scope*1.1Thistestmethodcoversaprocedureforthedetermina-tionoftotalsulfurinpetroleumproductsincludinglubricatingoilscontainingadditives,andinadditiveconcentrates.Thistestmethodisapplicabletosamplesboilingabove177°C(350°F)andcontainingamassfractionofsulfurnotlessthan0.06%.ThisprocedureusesIRdetectionfollowingpyrolysisinaresistancefurnace.1.2Petroleumcokecontainingupto8mass%sulfurcanbeanalyzed.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:2D1266TestMethodforSulfurinPetroleumProducts(LampMethod)D4057PracticeforManualSamplingofPetroleumandPetroleumProductsD6299PracticeforApplyingStatisticalQualityAssuranceandControlChartingTechniquestoEvaluateAnalyticalMeasurementSystemPerformanceD6792PracticeforQualitySysteminPetroleumProductsandLubricantsTestingLaboratories3.SummaryofTestMethod3.1Thesampleisweighedintoaspecialceramicboatwhichisthenplacedintoacom...
