Designation:D2862−16(Reapproved2022)StandardTestMethodforParticleSizeDistributionofGranularActivatedCarbon1ThisstandardisissuedunderthefixeddesignationD2862;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.ThisstandardhasbeenapprovedforusebyagenciesoftheU.S.DepartmentofDefense.1.Scope1.1Thistestmethodcoversthedeterminationoftheparticlesizedistributionofgranularactivatedcarbon.Forthepurposesofthistest,granularactivatedcarbonisdefinedasaminimumof90%ofthesampleweightbeingretainedona180µmStandardsieve.AU.S.mesh80sieveisequivalenttoa180µmStandardsieve.NOTE1—Forextrudedcarbons,asthelength/diameterratiooftheparticlesincreases,thevalidityofthetestresultsmightbeaffected.1.2Thedataobtainedmayalsobeusedtocalculatemeanparticlediameter(MPD),effectivesize,anduniformitycoef-ficient.1.3Thevaluesstatedininch-poundunitsaretoberegardedasstandard.ThevaluesgiveninparenthesesaremathematicalconversionstoSIunitsthatareprovidedforinformationonlyandarenotconsideredstandard.1.3.1Exception—AllmassmeasurementsareinSIunitsonly.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafety,health,andenvironmentalpracticesanddeter-minetheapplicabilityofregulatorylimitationspriortouse.1.5Thisinternationalstandardwasdevelopedinaccor-dancewithinternationallyrecognizedprinciplesonstandard-izationestablishedintheDecisiononPrinciplesfortheDevelopmentofInternationalStandards,GuidesandRecom-mendationsissuedbytheWorldTradeOrganizationTechnicalBarrierstoTrade(TBT)Committee.2.ReferencedDocuments2.1ASTMStandards:2D2652TerminologyRelatingtoActivatedCarbonD2854TestMethodforApparentDensityofActivatedCarbonE11SpecificationforWovenWireTestSieveClothandTestSievesE177PracticeforUseoftheTermsPrecisionandBias...
