Designation:D7849−14StandardClassificationforNomenclatureofReferenceMaterialsofCommitteeD241ThisstandardisissuedunderthefixeddesignationD7849;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1ThisclassificationcoversinstructionsfornamingthereferencematerialsusedbyCommitteeD24.1.2Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.2.ReferencedDocuments2.1ASTMStandards:2D1510TestMethodforCarbonBlack—IodineAdsorptionNumberD2414TestMethodforCarbonBlack—OilAbsorptionNumber(OAN)D3265TestMethodforCarbonBlack—TintStrengthD3493TestMethodforCarbonBlack—OilAbsorptionNumberofCompressedSample(COAN)D6556TestMethodforCarbonBlack—TotalandExternalSurfaceAreabyNitrogenAdsorption3.SignificanceandUse3.1StandardreferencematerialsareusedforcalibrationandverificationofmanycarbonblacktestsunderthejurisdictionofD24.Thispracticedefinesasystematicmeansofnamingthesereferencematerialsanddoessoinamannertoclearlydifferentiatebetweenthevariousreferencematerialsaswellastheirversion.4.BasisofClassification4.1ASTMCommitteeD24hasestablishedfourdifferenttypesofreferencematerialswhichservetoimprovetestprecisionofanalyticaltestsoncarbonblackaswellasin-rubberevaluationofcarbonblack.34.1.1SRB(StandardReferenceBlacks)—Asetofsevencarbonblacks,sixfurnaceblackswithdefinedtargetvaluesforiodineadsorptionnumber(TestMethodD1510),STSA(TestMethodD6556),NSA(TestMethodD6556),OAN(TestMethodD2414),COAN(TestMethodD3493)andTintStrength(TestMethodD3265)andonethermalblackwithdefinedvaluesforSTSA(TestMethodD6556),NSA(TestMethodD6556)andOAN(TestMethodD2414).TheSRBscanbeusedtoverifyanalyticaltestequipmentandtestprocedure...
