Designation:D1585−15StandardTestMethodsforFattyAcidsContentofPineChemicals,IncludingRosin,TallOil,andRelatedProducts1ThisstandardisissuedunderthefixeddesignationD1585;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thesetestmethodscoverthedeterminationofthefattyacidsofpinechemicals,includingrosin,talloil,andrelatedproducts.1.2Thesetestmethodsmaynotbeapplicabletoadductsorderivativesofrosinorotherpinechemicalproducts.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.2.ReferencedDocuments2.1ASTMStandards:2D465TestMethodsforAcidNumberofPineChemicalProductsIncludingTallOilandOtherRelatedProductsD803TestMethodsforTestingTallOilD890TestMethodforWaterinLiquidPineChemicalsD1065TestMethodforUnsaponifiableMatterinNavalStores,IncludingRosin,TallOil,andRelatedProductsD1240TestMethodsforRosinAcidsContentofPineChemicals,IncludingRosin,TallOil,andRelatedProd-uctsE177PracticeforUseoftheTermsPrecisionandBiasinASTMTestMethodsE691PracticeforConductinganInterlaboratoryStudytoDeterminethePrecisionofaTestMethod3.SummaryofTestMethod3.1TherosinacidscontentisdeterminedusingeitherthemodifiedpotentiometricWolfeMethodorthemodifiedindica-torWolfeMethoddescribedinTestMethodsD1240.Rosinacidsarecalculatedasabieticacid.3.2Theacidnumberisdeterminedbyeitherthepotentio-metricortheindicatormethodinaccordancewithTestMeth-odsD465.3.3TheunsaponifiablematterisdeterminedinaccordancewiththemethodsdescribedinTestMethodD1065.3.4Thefattyacidsarecalculatedbytwomethods.3.4.1Formaterialswithafattyacidcontentlessthan5%,fattyacidcontentiscalculatedfromtherosinacidscontentandtheacidnumber.3.4.2Formaterialswitha...
