Designation:D7385−13StandardGuideforEstimatingCarbonSaturationbyTemperatureRiseuponImmersion1ThisstandardisissuedunderthefixeddesignationD7385;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thisguidecoversthemeasurementofthetemperatureriseresultingfromtheheatofimmersionwhenaknownmassofaspecifiedorganicliquidisaddedtoasampleofactivatedcarbon.Ifthecarbonhasbeeninuseasanadsorbentandmaythereforebepartiallyorfullyexhausted,itsdegreeofsatura-tionmaybeestimatedbycomparingitstemperaturerisewiththatofanunusedsampleofthesameactivatedcarbon.1.2ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.2.ReferencedDocuments2.1ASTMStandards:2D2652TerminologyRelatingtoActivatedCarbonD2854TestMethodforApparentDensityofActivatedCarbonD2867TestMethodsforMoistureinActivatedCarbonE300PracticeforSamplingIndustrialChemicals3.Terminology3.1TermsrelatedtothisguidearedefinedinTerminologyD2652.4.SummaryofGuide4.1Ameasuredvolumeofactivatedcarbonisaddedtoaknownvolumeofaselectedorganicliquidinacontainerprovidedwithmeanstomeasuretheliquidtemperature.Theapparatusissealedaftertheadditionofthecarbonandthemaximumriseintemperatureisrecorded.Thedegreeofsaturationofausedcarbonisestimatedbycomparingitstemperaturerisewiththatoftheoriginalunusedactivatedcarbonofequivalentmoisturecontent,measuredunderthesameconditions.Ifnosuchreferencesampleisavailable,acommercialunusedactivatedcarbonofthesamephysicaltypefromareputablemanufacturermaybesubstituted;suchsubstitutionshouldbenotedinthereport.5.SignificanceandUse...
