Designation:D2795–95StandardTestMethodsforAnalysisofCoalandCokeAsh1ThisstandardisissuedunderthefixeddesignationD2795;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(e)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thesetestmethodscovertheanalysisofcoalandcokeashforthecommonlydeterminedmajorelements.1.2Thetestmethodsappearinthefollowingorder:SectionsSiliconDioxide(SiO2)10to12AluminumOxide(Al2O3)13to15FerricOxide(Fe2O3)16to18TitaniumDioxide(TiO2)19to22PhosphorusPentoxide(P2O5)23to25CalciumOxide(CaO),andMagnesiumOxide(MgO)26to29SodiumOxide(Na2O)andPotassiumOxide(K2O)30to33NOTE1—TestMethodsD1757isusedfordeterminationofsulfur.1.3ThevaluesstatedinSIunits(PracticeE380)shallberegardedasthestandard.Thevaluesgiveninparenthesesareforinformationonly.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.2.ReferencedDocuments2.1ASTMStandards:D346PracticeforCollectionandPreparationofCokeSamplesforLaboratoryAnalysis2D1193SpecificationforReagentWater3D1757TestMethodsforSulfurinAshfromCoalandCoke2D2013TestMethodforPreparingCoalSamplesforAnaly-sis2D3173TestMethodforMoistureintheAnalysisSampleofCoalandCoke2D3174TestMethodforAshintheAnalysisSampleofCoalandCokefromCoal2D3180PracticeforCalculatingCoalandCokeAnalysesfromAs-DeterminedtoDifferentBases2D5142TestMethodsforProximateAnalysisoftheAnaly-sisSampleofCoalandCokebyInstrumentalProcedures2E380PracticeforUseoftheInternationalSystemofUnits(SI)(theModernizedMetricSystem)43.SummaryofTestMethods3.1Thecoalorcoketobeanalyzedisashedunderstandardconditionsandignitedtoconstantweight.Twosolutionsarepreparedfromtheash.SolutionAisobtainedbyfusingtheashwithsodiumhydroxide(NaOH)followedbyafinaldi...