Designation:D7548−09StandardTestMethodforDeterminationofAcceleratedIronCorrosioninPetroleumProducts1ThisstandardisissuedunderthefixeddesignationD7548;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thistestmethodcoversanacceleratedlaboratoryandfieldprocedureforthedeterminationofcorrosionofiron,inthepresenceofwater,onsamplessuchasgasolineandgasolineblendedwith10%ethanol,E10(SpecificationD4814);gasoline-blendcomponents(exceptbutane);dieselfuelandbiodieselB5,exceptGradeNo.4-D(SpecificationD975);biodieselB6toB20(SpecificationD7467);diesel-blendcom-ponentsuchaslightcycle-oil;No.1fueloil,No.2fueloil(SpecificationD396);aviationturbinefuel(SpecificationD1655).1.2ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thevaluesinparenthesesareforinformationonly.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.2.ReferencedDocuments2.1ASTMStandards:2A108SpecificationforSteelBar,CarbonandAlloy,Cold-FinishedD97TestMethodforPourPointofPetroleumProductsD396SpecificationforFuelOilsD665TestMethodforRust-PreventingCharacteristicsofInhibitedMineralOilinthePresenceofWaterD975SpecificationforDieselFuelOilsD1193SpecificationforReagentWaterD1655SpecificationforAviationTurbineFuelsD4814SpecificationforAutomotiveSpark-IgnitionEngineFuelD7467SpecificationforDieselFuelOil,BiodieselBlend(B6toB20)G15TerminologyRelatingtoCorrosionandCorrosionTest-ing(Withdrawn2010)32.2OtherStandards:070M20ofBS970-1orEuropeanSteelC22Enumber1.1151CarbonandCarbonManganeseSteelsincludingFreeCuttingSteels3.Terminology3.1Definitions:3.1.1corrosion,n—chemicalorelectrochemicalreactionbetweenamaterial,usuallyametal...
