Designation:D5159−21StandardGuideforDustingAttritionofGranularActivatedCarbon1ThisstandardisissuedunderthefixeddesignationD5159;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thisguidepresentsaprocedureforevaluatingtheresistancetodustingattritionofgranularactivatedcarbons.Forthepurposeofthisguide,thedustattritioncoefficient,DA,isdefinedastheweight(orcalculatedvolume)ofdustperunittime,collectedonapreweighedfilter,inagivenvibratingdeviceduringadesignatedtimeperunitweightofcarbon.Theinitialdustcontentofthesamplemayalsobedetermined.Granularactivatedcarbonisdefinedasaminimumof90%beinglargerthan80mesh(0.18mm)(seeTestMethodsD2867).1.2ThevaluesstatedinSIunitsaretoberegardedasthestandard.Theinch-poundunitsgiveninparenthesesareforinformationonly.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafety,health,andenvironmentalpracticesanddeter-minetheapplicabilityofregulatorylimitationspriortouse.1.4Thisinternationalstandardwasdevelopedinaccor-dancewithinternationallyrecognizedprinciplesonstandard-izationestablishedintheDecisiononPrinciplesfortheDevelopmentofInternationalStandards,GuidesandRecom-mendationsissuedbytheWorldTradeOrganizationTechnicalBarrierstoTrade(TBT)Committee.2.ReferencedDocuments2.1ASTMStandards:2D2854TestMethodforApparentDensityofActivatedCarbonD2867TestMethodsforMoistureinActivatedCarbonE11SpecificationforWovenWireTestSieveClothandTestSievesE300PracticeforSamplingIndustrialChemicals3.SummaryofGuide3.1Aknownvolumeofknownweightofthegranularactivatedcarbonisplacedinasampleholderandvibratedatconstantacceleration(g)foraknowntime.Thedustiscarriedbyanairstreampassingthroughthevibratingsampleandisthencollectedonapreweighedfilter.Thequantitieso...
