Designation:D6447−09(Reapproved2021)StandardTestMethodforHydroperoxideNumberofAviationTurbineFuelsbyVoltammetricAnalysis1ThisstandardisissuedunderthefixeddesignationD6447;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thetestmethodcoversthedeterminationofthehydrop-eroxidecontentofaviationturbinefuels.Thetestmethodmayalsobeapplicabletothedeterminationofthehydroperoxidecontentofanywater-insoluble,organicfluid,particularlydieselfuels,gasolines,andkerosines.1.2ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.3Thisstandarddoesnotpurporttoaddressallthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoconsultandestablishappropriatesafety,health,andenvironmentalpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.Forspecificwarningstatements,see6.3–6.5,AnnexA1,andAnnexA2.1.4Thisinternationalstandardwasdevelopedinaccor-dancewithinternationallyrecognizedprinciplesonstandard-izationestablishedintheDecisiononPrinciplesfortheDevelopmentofInternationalStandards,GuidesandRecom-mendationsissuedbytheWorldTradeOrganizationTechnicalBarrierstoTrade(TBT)Committee.2.ReferencedDocuments2.1ASTMStandards:2D1193SpecificationforReagentWaterD3703TestMethodforHydroperoxideNumberofAviationTurbineFuels,GasolineandDieselFuelsD4057PracticeforManualSamplingofPetroleumandPetroleumProducts3.SummaryofTestMethod3.1Aquantityofsampleiscontactedwithaqueouspotas-siumiodidesolutioninthepresenceofacid.Thehydroperox-idespresentarereducedbythepotassiumiodide.Anequiva-lentamountofiodineisliberated,whichisquantifiedbyvoltammetricanalysis.Theresultsarecalculatedandreportedasmillimoles(mmole)ofhydroperoxideperlitreofsample.4.SignificanceandUse4.1ThistestmethodandTestMethodD3703measureth...
