Designation:D5919−96(Reapproved2011)StandardPracticeforDeterminationofAdsorptiveCapacityofActivatedCarbonbyaMicro-IsothermTechniqueforAdsorbatesatppbConcentrations1ThisstandardisissuedunderthefixeddesignationD5919;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thispracticecoverstheassessmentofactivatedcarbonfortheremovaloflowconcentrationsofadsorbableconstitu-entsfromwaterandwastewaterusingthebottlepointisothermtechnique.Itcanbeusedtocharacterizetheadsorptivepropertiesofvirginandreactivatedactivatedcarbons.1.2Thispracticecanbeusedinsystemswithconstituentconcentrationsinthelowmilligramsperlitreormicrogramsperlitreconcentrationranges.1.3ThispracticecanbeusedtodeterminetheadsorptivecapacityofandFreundlichconstantsforvolatileorganiccompoundsprovidedthehandlingproceduresdescribedinthispracticearefollowedcarefully.1.4ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.5Thefollowingsafetycaveatappliestotheproceduresectionofthispractice:Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeter-minetheapplicabilityofregulatorylimitationspriortouse.2.ReferencedDocuments2.1ASTMStandards:2D1129TerminologyRelatingtoWaterD1193SpecificationforReagentWaterD3370PracticesforSamplingWaterfromClosedConduitsD2652TerminologyRelatingtoActivatedCarbonD2867TestMethodsforMoistureinActivatedCarbon3.Terminology3.1Definitions:3.1.1Fordefinitionsoftermsusedinthispracticerelatingtoactivatedcarbon,refertoTerminologyD2652.3.1.2Fordefinitionsoftermsusedinthispracticerelatingtowater,refertoTerminologyD1129.4.SummaryofPractice4.1Thispracticeconsistsofthedeterminationofthead-sorptivecapacityofactivatedcarbonf...
