Designation:D7525−14(Reapproved2019)´1StandardTestMethodforOxidationStabilityofSparkIgnitionFuel—RapidSmallScaleOxidationTest(RSSOT)1ThisstandardisissuedunderthefixeddesignationD7525;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.ε1NOTE—EditoriallyupdatedFootnote4andFig.1inDecember2019.1.Scope1.1Thislaboratorytestmethodcoversthequantitativedeterminationofthestabilityofsparkignitionfuel,includingthosecontainingalcoholsorotheroxygenates,underacceler-atedoxidationconditions,byanautomaticinstrument(Warning—Thistestmethodisnotintendedfordeterminingthestabilityofgasolinecomponents,particularlythosewithahighpercentageoflowboilingunsaturatedcompounds,asthesecancauseexplosiveconditionswiththeapparatus.2)1.2Thistestmethodmeasurestheinductionperiod,underspecifiedconditions,whichcanbeusedasanindicationoftheoxidationandstoragestabilityofsparkignitionfuel.1.3ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafety,health,andenvironmentalpracticesanddeter-minetheapplicabilityofregulatorylimitationspriortouse.1.5Thisinternationalstandardwasdevelopedinaccor-dancewithinternationallyrecognizedprinciplesonstandard-izationestablishedintheDecisiononPrinciplesfortheDevelopmentofInternationalStandards,GuidesandRecom-mendationsissuedbytheWorldTradeOrganizationTechnicalBarrierstoTrade(TBT)Committee.2.ReferencedDocuments2.1ASTMStandards:3D4057PracticeforManualSamplingofPetroleumandPetroleumProductsD4177PracticeforAutomaticSamplingofPetroleumandPetroleumProductsD6300PracticeforDeterminationofPrecisionandBiasDataforUseinTestMethodsforPetroleumProductsandLubricants3.Terminology3...
