Designation:D5349−19StandardTestMethodforDeterminationoftheMoistureandVolatileContentofSulfonated,SulfatedOilsandFatliquorsbyOvenMethod1ThisstandardisissuedunderthefixeddesignationD5349;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thistestmethodcoversthedeterminationofmoistureandothervolatilematerialunderconditionsofthetest.Itisapplicabletosulfonated,sulfatedoils,fats,oils,fatliquors,andsofteningcompounds.1.2ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafety,health,andenvironmentalpracticesanddeter-minetheapplicabilityofregulatorylimitationspriortouse.1.4Thisinternationalstandardwasdevelopedinaccor-dancewithinternationallyrecognizedprinciplesonstandard-izationestablishedintheDecisiononPrinciplesfortheDevelopmentofInternationalStandards,GuidesandRecom-mendationsissuedbytheWorldTradeOrganizationTechnicalBarrierstoTrade(TBT)Committee.2.ReferencedDocuments2.1ASTMStandards:2D500TestMethodsofChemicalAnalysisofSulfonatedandSulfatedOilsE691PracticeforConductinganInterlaboratoryStudytoDeterminethePrecisionofaTestMethodE177PracticeforUseoftheTermsPrecisionandBiasinASTMTestMethods3.SignificanceandUse3.1Thistestmethodisintendedtodeterminethemoistureandvolatilecontentofsulfonated,sulfatedoil,fats,oils,fatliquors,andsofteningcompounds.4.Apparatus4.1Oven,mechanical-convectiondraftcapableofsettingat100–105°Cwithathermoregulatorysystem,4.2GlassBeakers,100to150mL,4.3Desiccator,containinganefficientdesiccant,4.4AnalyticalScale,capableofreadingatminimum3decimalplaces.5.Procedure5.1Weighabeakerthathasbeenpreviouslydriedandcooledinadesiccator.5.2Accurately...