Designation:D3682−21StandardTestMethodforMajorandMinorElementsinCombustionResiduesfromCoalUtilizationProcessesbyAtomicSpectrometry1ThisstandardisissuedunderthefixeddesignationD3682;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thistestmethodcoverstheanalysisofthecommonlydeterminedmajorandminorelementsincombustionresiduesfromcoalutilizationprocesses.1.2UseTestMethodD5016fordeterminationofsulfur.1.3Units—ThevaluesstatedinSIunitsaretoberegardedasstandard.Thevaluesgiveninparenthesesareprovidedforinformationonlyandarenotconsideredstandard.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafety,health,andenvironmentalpracticesanddeter-minetheapplicabilityofregulatorylimitationspriortouse.1.5Thisinternationalstandardwasdevelopedinaccor-dancewithinternationallyrecognizedprinciplesonstandard-izationestablishedintheDecisiononPrinciplesfortheDevelopmentofInternationalStandards,GuidesandRecom-mendationsissuedbytheWorldTradeOrganizationTechnicalBarrierstoTrade(TBT)Committee.2.ReferencedDocuments2.1ASTMStandards:2D121TerminologyofCoalandCokeD346PracticeforCollectionandPreparationofCokeSamplesforLaboratoryAnalysisD1193SpecificationforReagentWaterD2013PracticeforPreparingCoalSamplesforAnalysisD3173TestMethodforMoistureintheAnalysisSampleofCoalandCokeD3174TestMethodforAshintheAnalysisSampleofCoalandCokefromCoalD3180PracticeforCalculatingCoalandCokeAnalysesfromAs-DeterminedtoDifferentBasesD5016TestMethodforTotalSulfurinCoalandCokeCombustionResiduesUsingaHigh-TemperatureTubeFurnaceCombustionMethodwithInfraredAbsorptionD7348TestMethodsforLossonIgnition(LOI)ofSolidCombustionResiduesD7582TestMethodsforProximateAnalysisofCoalandCokebyMacroThermogravimetricAnalysi...
