Designation:D5160−95(Reapproved2019)StandardGuideforGas-PhaseAdsorptionTestingofActivatedCarbon1ThisstandardisissuedunderthefixeddesignationD5160;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thisguidecoverstheevaluationofactivatedcarbonsforgas-phaseadsorption.Itpresentsaprocedurefordeterminingthedynamicadsorptioncapacity,No,andcriticalbeddepth,dc,foranactivatedcarbonusedtoremoveaspecificadsorbatefromagasstreamunderconditionschosenbytheuser.1.2ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafety,health,andenvironmentalpracticesanddeter-minetheapplicabilityofregulatorylimitationspriortouse.SpecifichazardsstatementsaregiveninSection7.1.4Thisinternationalstandardwasdevelopedinaccor-dancewithinternationallyrecognizedprinciplesonstandard-izationestablishedintheDecisiononPrinciplesfortheDevelopmentofInternationalStandards,GuidesandRecom-mendationsissuedbytheWorldTradeOrganizationTechnicalBarrierstoTrade(TBT)Committee.2.ReferencedDocuments2.1ASTMStandards:2D2652TerminologyRelatingtoActivatedCarbonD2854TestMethodforApparentDensityofActivatedCarbonD2867TestMethodsforMoistureinActivatedCarbonD3467TestMethodforCarbonTetrachlorideActivityofActivatedCarbonE300PracticeforSamplingIndustrialChemicals3.Terminology3.1Definitions:3.1.1breakthrough—theappearanceintheeffluentofaspecifiedconcentrationofanadsorbateofinterest.3.1.2OthertermsrelatingtothisguidearedefinedinTerminologyD2652.4.SummaryofGuide4.1Anactivatedcarbonbedthatcontainsaknownamountofcarbonischallengedwithanadsorbateinagasstreamunderconditionsofflowrate,adsorbateconcentration,temperature,pressu...