Designation:D6810−22StandardTestMethodforMeasurementofHinderedPhenolicAntioxidantContentinNon-ZincTurbineOilsbyLinearSweepVoltammetry1ThisstandardisissuedunderthefixeddesignationD6810;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope*1.1Thistestmethodcoversthevoltammetricdeterminationofhinderedphenolantioxidantsinneworin-servicenon-zincturbineoilsinconcentrationsfrom0.0075%byweightuptoconcentrationsfoundinnewoilsbymeasuringtheamountofcurrentflowataspecifiedvoltageintheproducedvoltammo-gram.1.2ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafety,health,andenvironmentalpracticesanddeter-minetheapplicabilityofregulatorylimitationspriortouse.1.4Thisinternationalstandardwasdevelopedinaccor-dancewithinternationallyrecognizedprinciplesonstandard-izationestablishedintheDecisiononPrinciplesfortheDevelopmentofInternationalStandards,GuidesandRecom-mendationsissuedbytheWorldTradeOrganizationTechnicalBarrierstoTrade(TBT)Committee.2.ReferencedDocuments2.1ASTMStandards:2D1193SpecificationforReagentWaterD4057PracticeforManualSamplingofPetroleumandPetroleumProductsD4175TerminologyRelatingtoPetroleumProducts,LiquidFuels,andLubricantsD4378PracticeforIn-ServiceMonitoringofMineralTur-bineOilsforSteam,Gas,andCombinedCycleTurbinesD6224PracticeforIn-ServiceMonitoringofLubricatingOilforAuxiliaryPowerPlantEquipmentD6447TestMethodforHydroperoxideNumberofAviationTurbineFuelsbyVoltammetricAnalysisD6971TestMethodforMeasurementofHinderedPhenolicandAromaticAmineAntioxidantContentinNon-zincTurbineOilsbyLinearSweepVoltammetry3.Terminology3.1Definitions:3.1.1SeeTerminologyD4175fo...
