Designation:D2866−11(Reapproved2018)StandardTestMethodforTotalAshContentofActivatedCarbon1ThisstandardisissuedunderthefixeddesignationD2866;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thistestmethoddescribesaprocedureforthedetermi-nationoftotalashcontentofactivatedcarbon.1.2ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafety,health,andenvironmentalpracticesanddeter-minetheapplicabilityofregulatorylimitationspriortouse.1.4Thisinternationalstandardwasdevelopedinaccor-dancewithinternationallyrecognizedprinciplesonstandard-izationestablishedintheDecisiononPrinciplesfortheDevelopmentofInternationalStandards,GuidesandRecom-mendationsissuedbytheWorldTradeOrganizationTechnicalBarrierstoTrade(TBT)Committee.2.ReferencedDocuments2.1ASTMStandards:2D2867TestMethodsforMoistureinActivatedCarbonD7582TestMethodsforProximateAnalysisofCoalandCokebyMacroThermogravimetricAnalysisE177PracticeforUseoftheTermsPrecisionandBiasinASTMTestMethodsE691PracticeforConductinganInterlaboratoryStudytoDeterminethePrecisionofaTestMethod3.SummaryofTestMethod3.1Anaccuratelyweighedsampleofdriedactivatedcarbonisplacedinacontrolled-temperaturemufflefurnaceforaperiodofseveralhours.Whenconstantweighthasbeenachieved(60.5mg),thecrucibleiscooledtoambienttem-peratureinadesiccatorandreweighed.Theweightoftheashedcarbonisexpressedasapercentageoftheweightoftheoriginalcarbonsample.4.SignificanceandUse4.1Inspecificenduses,theamountandcompositionoftheashmayinfluencethecapabilitiesandcertaindesiredproper-tiesofactivatedcarbon.4.2Otherautomatedmethodsfordeterminationofashcontent,suchascombust...
