Designation:D3174−12StandardTestMethodforAshintheAnalysisSampleofCoalandCokefromCoal1ThisstandardisissuedunderthefixeddesignationD3174;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.ThisstandardhasbeenapprovedforusebyagenciesoftheU.S.DepartmentofDefense.1.Scope1.1Thistestmethodcoversthedeterminationoftheinor-ganicresidueasashintheanalysissampleofcoalorcokeaspreparedinaccordancewithPracticeD2013orPracticeD346.Theresultsobtainedcanbeappliedastheashintheproximateanalysis,PracticeD3172,andintheultimateanalysis,PracticeD3176.Forthedeterminationoftheconstituentsinash,referenceismadetoTestMethodsD3682,D4326andD6349.TestMethodD6357shouldbeusedtoprepareashtobeusedfortraceelementanalysis.SeeTerminologyD121fordefini-tionofash.1.2ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.2.ReferencedDocuments2.1ASTMStandards:2D121TerminologyofCoalandCokeD346PracticeforCollectionandPreparationofCokeSamplesforLaboratoryAnalysisD388ClassificationofCoalsbyRankD1757TestMethodforSulfateSulfurinAshfromCoalandCoke(Withdrawn2009)3D2013PracticeforPreparingCoalSamplesforAnalysisD2795TestMethodsforAnalysisofCoalandCokeAsh(Withdrawn2001)3D3172PracticeforProximateAnalysisofCoalandCokeD3173TestMethodforMoistureintheAnalysisSampleofCoalandCokeD3176PracticeforUltimateAnalysisofCoalandCokeD3180PracticeforCalculatingCoalandCokeAnalysesfromAs-DeterminedtoDifferentBasesD3682TestMethodforMajorandMinorElementsinCombustionResiduesfromCoalUtilizationProcessesD4326TestMethodforMajorandMinorElementsinCoalandCokeAshB...