Designation:D1412/D1412M−20StandardTestMethodforEquilibriumMoistureofCoalat96to97PercentRelativeHumidityand30°C1ThisstandardisissuedunderthefixeddesignationD1412/D1412M;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope*1.1Thistestmethodcoversdeterminationoftheequilib-riummoistureofcoalinanatmosphereoverasaturatedsolutionofpotassiumsulfateat30°C.NOTE1—Forinformationconcerningtheexperimentalworkonwhichthistestmethodisbased,see(1-5).21.2Units—ThevaluesstatedineitherSIunitsornon-SIunitsaretoberegardedseparatelyasstandard.Thevaluesstatedineachsystemarenotnecessarilyexactequivalents;therefore,toensureconformancewiththestandard,eachsystemshallbeusedindependentlyoftheother,andvaluesfromthetwosystemsshallnotbecombined.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafety,health,andenvironmentalpracticesanddeter-minetheapplicabilityofregulatorylimitationspriortouse.1.4Thisinternationalstandardwasdevelopedinaccor-dancewithinternationallyrecognizedprinciplesonstandard-izationestablishedintheDecisiononPrinciplesfortheDevelopmentofInternationalStandards,GuidesandRecom-mendationsissuedbytheWorldTradeOrganizationTechnicalBarrierstoTrade(TBT)Committee.2.ReferencedDocuments2.1ASTMStandards:3D121TerminologyofCoalandCokeD388ClassificationofCoalsbyRankD2013PracticeforPreparingCoalSamplesforAnalysisD2234/D2234MPracticeforCollectionofaGrossSampleofCoalD3172PracticeforProximateAnalysisofCoalandCokeD3173TestMethodforMoistureintheAnalysisSampleofCoalandCokeD3302TestMethodforTotalMoistureinCoalD4239TestMethodforSulfurintheAnalysisSampleofCoalandCokeUsingHigh-TemperatureTubeFurnaceCombustionD4596PracticeforCollectionofChannelSamplesofCoalinaMineD5865TestMethodforGrossC...
