Designation:D6595−17StandardTestMethodforDeterminationofWearMetalsandContaminantsinUsedLubricatingOilsorUsedHydraulicFluidsbyRotatingDiscElectrodeAtomicEmissionSpectrometry1ThisstandardisissuedunderthefixeddesignationD6595;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope*1.1Thistestmethodcoversthedeterminationofwearmetalsandcontaminantsinusedlubricatingoilsandusedhydraulicfluidsbyrotatingdiscelectrodeatomicemissionspectroscopy(RDE-AES).1.2Thistestmethodprovidesaquickindicationforabnor-malwearandthepresenceofcontaminationinneworusedlubricantsandhydraulicfluids.1.3Thistestmethodusesoil-solublemetalsforcalibrationanddoesnotpurporttorelatequantitativelythevaluesdeter-minedasinsolubleparticlestothedissolvedmetals.Analyticalresultsareparticlesizedependentandlowresultsmaybeobtainedforthoseelementspresentinusedoilsamplesaslargeparticles.1.4Thetestmethodiscapableofdetectingandquantifyingelementsresultingfromwearandcontaminationrangingfromdissolvedmaterialstoparticlesapproximately10µminsize.1.5ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.5.1Thepreferredunitsaremg/kg(ppmbymass).1.6Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.1.7Thisinternationalstandardwasdevelopedinaccor-dancewithinternationallyrecognizedprinciplesonstandard-izationestablishedintheDecisiononPrinciplesfortheDevelopmentofInternationalStandards,GuidesandRecom-mendationsissuedbytheWorldTradeOrganizationTechnicalBarrierstoTrade(TBT)Committee.2.ReferencedDocuments2.1ASTMStandards:2D4057PracticeforManualSamplingofPetroleumandPetroleumProductsD4177Pract...
