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【英文标准名称】:StandardTestMethodforHydroperoxideNumberofAviationTurbineFuels,GasolineandDieselFuels
【原文标准名称】:测定航空涡轮燃料、汽油和柴油燃料中氢过氧化物值的标准试验方法
【标准号】:ASTMD3703-2007e1
【标准状态】:现行
【国别】:美国
【发布日期】:2007
【实施或试行日期】:
【发布单位】:美国材料与试验协会(US-ASTM)
【起草单位】:D02.05
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:aviationfuels;dieselfuel;gasoline;hydroperoxide;hydroperoxidenumber;turbinefuel;Aviationturbinefuels;Peroxides
【摘要】:Themagnitudeofthehydroperoxidenumberisanindicationofthequantityofoxidizingconstituentspresent.Deteriorationofthefuelsresultsintheformationofhydroperoxidesandotheroxygen-carryingcompounds.Thehydroperoxidenumbermeasuresthosecompoundsthatwilloxidizepotassiumiodide.Thedeterminationofthehydroperoxidenumberofaviationturbinefuels,gasolineanddieselissignificantbecauseoftheadverseeffectofhydroperoxideuponcertainelastomersinthefuelsystems.5.3ThedeterminationofhydroperoxidenumberofgasolineissignificantbecausehydroperoxideshavebeendemonstratedtodecreasebothResearchandMotorOctaneNumbers.Inaddition,hydroperoxideshaveadverseeffectsoncertainfuelsystemcomponents.5.4ThedeterminationofhydroperoxidenumberofdieselfuelissignificantbecausehydroperoxideshavebeendemonstratedtoincreasetheCetaneNumber.Inaddition,hydroperoxideshaveadverseeffectsoncertainfuelsystemcomponents.1.1Thistestmethodcoversthedeterminationofthehydroperoxidecontentexpressedashydroperoxidenumberofaviationturbine,gasolineanddieselfuels.1.2Therangeofhydroperoxidenumberincludedintheprecisionstatementis0to50mg/kgactiveoxygenashydroperoxide.1.3Theinterlaboratorystudytoestablishtheprecisionofthistestmethodconsistedofspark-ignitionenginefuels(regular,premiumandCaliforniaCleaner-Burninggasoline),aviationgasoline,jetfuel,ultralowsulfurdiesel,andbiodiesel.However,biodieselwasnotincludedintheprecisioncalculationbecauseofthelargedifferencesinresultswithinlabsandbetweenlabs.1.4Thistestmethoddetectshydroperoxidessuchast-butylhydroperoxideandcumenehydroperoxide.Itdoesnotdetectsterically-hinderedhydroperoxidessuchasdicumylanddi-t-butylhydroperoxides1.5Di-alkylhydroperoxidesaddedcommerciallytodieselfuelsarenotdetectedbythistestmethod.1.6ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareforinformationonly.1.7Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoconsultandestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.Forspecificwarningstatements,see7.3,7.6,9.2,andAnnexA1.
【中国标准分类号】:E31
【国际标准分类号】:75_160_20
【页数】:5P.;A4
【正文语种】:英语