Designation:D2083–92(Reapproved1998)StandardTestMethodforCalculationofPercentofPrimary,Secondary,andTertiaryAminesinFattyAmines1ThisstandardisissuedunderthefixeddesignationD2083;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(e)indicatesaneditorialchangesincethelastrevisionorreapproval.ThismethodwaspreparedjointlybytheAmericanSocietyforTestingandMaterialsandtheAmericanOilChemists’Society.1.Scope1.1Thistestmethodcoverscalculationofthepercentofprimary,secondary,andtertiaryaminesinthesamplefromdeterminationsofprimary,secondary,andtertiaryamineval-uesandpercentofnon-amine.1.2Thistestmethodisapplicabletomaterialscontainingonlyfattyprimaryamines,difattysecondaryamines,trifattytertiaryamines,andnonamines.Thismethodisnotapplicabletoblendssuchasamixtureofcocoprimaryamineandtallowdifattysecondaryamine.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.2.ReferencedDocuments2.1ASTMStandards:D2073TestMethodsforTotal,Primary,Secondary,andTertiaryAmineValuesofFattyAmines,Amidoamines,andDiaminesbyRefereePotentiometricMethod2D2074TestMethodsforTotal,Primary,Secondary,andTertiaryAmineValuesofFattyAminesbyAlternativeIndicatorMethod2D2082TestMethodforPercentofNon-AminesinFattyNitrogenCompounds23.Procedure3.1Determineprimary,secondary,andtertiaryaminevaluesinaccordancewithTestMethodsD2073orD2074.3.2Determinethepercentofnon-aminesinaccordancewithTestMethodD2082.4.Calculation4.1Calculatethepercentofaminesasfollows(Note):where:LetX=averagemolecularweightoftheprimaryamine,PAV=primaryaminevalueofthesample,SAV=secondaryaminevalueofthesample,TAV=tertiaryaminevaluesofthesample,andPNA=%non-amine.then:X5561~1002PNA!117~SAV!134~TAV!PAV12~SAV!13~TAV!(1)andPrimar...