Designation:D1619−16aStandardTestMethodsforCarbonBlack—SulfurContent1ThisstandardisissuedunderthefixeddesignationD1619;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.ThisstandardhasbeenapprovedforusebyagenciesoftheU.S.DepartmentofDefense.1.Scope1.1Thesetestmethodscoverthedeterminationofthesulfurcontentofcarbonblack.Thefollowingtestmethodsareincluded:SectionsTestMethodAHigh-TemperatureCombustionWithIn-fraredAbsorptionDetectionProcedures6to13TestMethodBX-RayFluorescence14to191.2ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.2.ReferencedDocuments2.1ASTMStandards:2D1509TestMethodsforCarbonBlack—HeatingLossD1799PracticeforCarbonBlack—SamplingPackagedShipmentsD1900PracticeforCarbonBlack—SamplingBulkShip-mentsD4483PracticeforEvaluatingPrecisionforTestMethodStandardsintheRubberandCarbonBlackManufacturingIndustries3.SignificanceandUse3.1Thetotalsulfurcontentofacarbonblackisusefulindeterminingwhetheramaterialmeetsacustomer’sspecifications,providingdataforperformingasulfurmaterialbalancearoundaprocessforenvironmentalmonitoringandreporting,andincalculationsforreconstructingarubbercompositionfromanalyticaldata.4.Reagents4.1PurityofReagents—Reagentgradechemicalsshallbeusedinalltests.Unlessotherwiseindicated,itisintendedthatallreagentsshallconformtothespecificationsoftheCommit-teeonAnalyticalReagentsoftheAmericanChemicalSociety,wheresuchspecificationsareavailable.3Othergradesmaybeused,provideditisfirstascertainedthatthereagentisofsufficientlyhighpuritytopermititsusewithoutle...
