Designation:D3703−18StandardTestMethodforHydroperoxideNumberofAviationTurbineFuels,GasolineandDieselFuels1ThisstandardisissuedunderthefixeddesignationD3703;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.ThisstandardhasbeenapprovedforusebyagenciesoftheU.S.DepartmentofDefense.1.Scope*1.1Thistestmethodcoversthedeterminationofthehy-droperoxidecontentexpressedashydroperoxidenumberofaviationturbine,gasolineanddieselfuels.1.2Therangeofhydroperoxidenumberincludedintheprecisionstatementis0mg⁄kgto50mg⁄kgactiveoxygenashydroperoxide.1.3Theinterlaboratorystudytoestablishtheprecisionofthistestmethodconsistedofspark-ignitionenginefuels(regular,premiumandCaliforniaCleaner-Burninggasoline),aviationgasoline,jetfuel,ultralowsulfurdiesel,andbiodiesel.However,biodieselwasnotincludedintheprecisioncalcula-tionbecauseofthelargedifferencesinresultswithinlabsandbetweenlabs.1.4Thistestmethoddetectshydroperoxidessuchast-butylhydroperoxideandcumenehydroperoxide.Itdoesnotdetectsterically-hinderedhydroperoxidessuchasdicumylanddi-t-butylhydroperoxides1.5Di-alkylhydroperoxidesaddedcommerciallytodieselfuelsarenotdetectedbythistestmethod.1.6ThevaluesstatedinSIunitsaretoberegardedasstandard.ThevaluesgiveninparenthesesafterSIunitsareprovidedforinformationonlyandarenotconsideredstandard.1.7Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafety,health,andenvironmentalpracticesanddeter-minetheapplicabilityofregulatorylimitationspriortouse.Forspecificwarningstatements,see7.3,7.6,9.2,andAnnexA1.1.8Thisinternationalstandardwasdevelopedinaccor-dancewithinternationallyrecognizedprinciplesonstandard-izationestablishedintheDecisiononPrinciplesfortheDevelopmentofInternationalStandards,GuidesandRecom...
