Designation:D3037–93StandardTestMethodsforCarbonBlack—SurfaceAreaByNitrogenAdsorption1ThisstandardisissuedunderthefixeddesignationD3037;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(e)indicatesaneditorialchangesincethelastrevisionorreapproval.ThisstandardhasbeenapprovedforusebyagenciesoftheDepartmentofDefense.1.Scope1.1Thesetestmethodscoverthedeterminationofthesurfaceareaofcarbonblacks.Thetestmethodsappearinthefollowingorder:SectionsTestMethodA—SurfaceAreabyNi-Count-1Apparatus9-14TestMethodB—SurfaceAreabyModel2200AutomaticSurfaceAreaAnalyzer15-20TestMethodC—SurfaceAreabyContinuousFlowChro-matography21-27TestMethodD—SurfaceAreabyMonosorbSurfaceAreaAnalyzer28-351.2ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareforinformationonly.1.3GoalvaluesforthestandardreferenceblacksweredeterminedbyusingTestMethodsD4820.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyproblems,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.Forspecificprecautionarystatement,seeNote3.2.ReferencedDocuments2.1ASTMStandards:D1799PracticeforCarbonBlack—SamplingPackagedShipments2D1900PracticeforCarbonBlack—SamplingBulkShip-ments2D3324PracticeforCarbonBlack—ImprovingTestRepro-ducibilityUsingASTMReferenceBlacks2D4483PracticeforDeterminingPrecisionforTestMethodStandardsintheRubberandCarbonBlackIndustries2D4820TestMethodsforCarbonBlack—SurfaceAreabyMultipointB.E.T.NitrogenAdsorption23.SignificanceandUse3.1Thesetestmethodsareusedtomeasurethesurfaceareaofcarbonblackthatisavailabletothenitrogenmolecule.4.Reagents4.1PurityofReagents—Reagentgradechemicalsshallbeusedinalltests.Unlessotherwiseindicated,itisintendedthatallreagentsshallconformtothespecificationsoftheCommit-teeonAnalytica...
