Designation:D721−17Designation:158/69(85)StandardTestMethodforOilContentofPetroleumWaxes1ThisstandardisissuedunderthefixeddesignationD721;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.ThisstandardhasbeenapprovedforusebyagenciesoftheU.S.DepartmentofDefense.1.Scope*1.1Thistestmethodcoversthedeterminationofoilinpetroleumwaxeshavingacongealingpointof30°C(86°F)orhigherasdeterminedinaccordancewithTestMethodD938,andcontainingnotmorethan15%ofoil.2NOTE1—Withsometypesofwaxes,ofoilcontentsgreaterthan5%,theremaybeanincompatibilitywithMEKresultingintheformationoftwoliquidphases.Ifthisoccurs,thetestmethodisnotapplicabletothematerialundertest.1.2Thevaluesstatedininch-poundunitsaretoberegardedasstandard.ThevaluesgiveninparenthesesaremathematicalconversionstoSIunitsthatareprovidedforinformationonlyandarenotconsideredstandard.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.1.4Thisinternationalstandardwasdevelopedinaccor-dancewithinternationallyrecognizedprinciplesonstandard-izationestablishedintheDecisiononPrinciplesfortheDevelopmentofInternationalStandards,GuidesandRecom-mendationsissuedbytheWorldTradeOrganizationTechnicalBarrierstoTrade(TBT)Committee.2.ReferencedDocuments2.1ASTMStandards:3D938TestMethodforCongealingPointofPetroleumWaxes,IncludingPetrolatumE1SpecificationforASTMLiquid-in-GlassThermometersE128TestMethodforMaximumPoreDiameterandPerme-abilityofRigidPorousFiltersforLaboratoryUseE2251SpecificationforLiquid-in-GlassASTMThermom-eterswithLow-HazardPrecisionLiquids2.2EnergyInstituteStandards:SpecificationforIPStandardThermometers43.SummaryofTestMethod3.1Thesampleisdissol...
