Designation:D8339−20StandardTestMethodforTheAnalysisofFlueGasDesulfurizationSolidsbyMacroThermogravimetricAnalysis1ThisstandardisissuedunderthefixeddesignationD8339;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thisinstrumentaltestmethodcoversthedeterminationoffreemoisture,gypsum(CaSO4•2H2O),calciumsulfitehemihydrate(CaSO3•½H2O),calciumhydroxide(Ca(OH)2),calciumcarbonate(CaCO3),andashinfluegasdesulfurizationsolidsusingamacrothermogravimetricanalyzer.1.2Thisinstrumentaltestmethodisnotapplicabletothermogravimetricanalyzersusingmicrogramsizesamples.1.3Units—ThevaluesstatedinSIunitsaretoberegardedasstandard.ThevaluesgiveninparenthesesafterSIunitsareprovidedforinformationonlyandarenotconsideredstandard.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafety,health,andenvironmentalpracticesanddeter-minetheapplicabilityofregulatorylimitationspriortouse.1.5Thisinternationalstandardwasdevelopedinaccor-dancewithinternationallyrecognizedprinciplesonstandard-izationestablishedintheDecisiononPrinciplesfortheDevelopmentofInternationalStandards,GuidesandRecom-mendationsissuedbytheWorldTradeOrganizationTechnicalBarrierstoTrade(TBT)Committee.2.ReferencedDocuments2.1ASTMStandards:2D121TerminologyofCoalandCokeD3180PracticeforCalculatingCoalandCokeAnalysesfromAs-DeterminedtoDifferentBasesD8146GuideforEvaluatingTestMethodCapabilityandFitnessforUseE177PracticeforUseoftheTermsPrecisionandBiasinASTMTestMethodsE691PracticeforConductinganInterlaboratoryStudytoDeterminethePrecisionofaTestMethodE1601PracticeforConductinganInterlaboratoryStudytoEvaluatethePerformanceofanAnalyticalMethod3.Terminology3.1DefinitionsofTermsSpecifictoThisStandard:3.1.1flue-gasdesulfuriza...
