Designation:D3177–02StandardTestMethodsforTotalSulfurintheAnalysisSampleofCoalandCoke1ThisstandardisissuedunderthefixeddesignationD3177;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(e)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thesetestmethodscovertwoalternativeproceduresforthedeterminationoftotalsulfurinsamplesofcoalandcoke.Sulfurisincludedintheultimateanalysisofcoalandcoke.1.2Theproceduresappearinthefollowingorder:SectionsMethodA—EschkaMethodMethodB—BombWashingMethod6-910and111.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.Specificprecau-tionarystatementsaregiveninSections11.1.1-11.1.1.7.1.4ThevaluesstatedinSIunitsaretoberegardedasthestandard.2.ReferencedDocuments2.1ASTMStandards:D346PracticeforCollectionandPreparationofCokeSamplesforLaboratoryAnalysis2D1193SpecificationforReagentWater3D2013PracticeforPreparingCoalSamplesforAnalysis2D2015TestMethodforGrossCalorificValueofCoalandCokebytheAdiabaticBombCalorimeter2D3173TestMethodforMoistureintheAnalysisSampleofCoalandCoke2D3176PracticeforUltimateAnalysisofCoalandCoke2D3180PracticeforCalculatingCoalandCokeAnalysesfromAs-DeterminedtoDifferentBases2D3286TestMethodforGrossCalorificValueofCoalandCokebytheIsoperibolBombCalorimeter2E144PracticeforSafeUseofOxygenCombustionBombs43.SummaryofTestMethods3.1EschkaMethod—AweighedsampleandEschkamix-tureareintimatelymixedandignitedtogether.Thesulfurisdissolvedinhotwaterandthenprecipitatedfromtheresultingsolutionasbariumsulfate(BaSO4).Theprecipitateisfiltered,ashed,andweighed.3.2BombWashingMethod—SulfurisprecipitatedasBaSO4fromoxygen-bombcalorimeterwashings,andtheprecipitateisfiltered,ashed,andweighed.4.Significan...
