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ASTM D3703-2007e1 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

作者:标准资料网 时间:2024-05-15 14:58:12  浏览:9570   来源:标准资料网
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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


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【英文标准名称】:Wheelsetsforrailvehiclesusedinmines;rulesformeasuring
【原文标准名称】:矿山用有轨车辆的轮对.测量规定
【标准号】:DIN20548-1990
【标准状态】:现行
【国别】:德国
【发布日期】:1990-07
【实施或试行日期】:
【发布单位】:德国标准化学会(DIN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:轮副;地下开采;离合器;轮距;底盘;机车;采掘;铁道车辆
【英文主题词】:undergroundmining;mining;locomotives;railwayvehicles;wheelsets;trackwidths;chassis;clutches
【摘要】:
【中国标准分类号】:S33
【国际标准分类号】:4660
【页数】:3P;A4
【正文语种】:德语


【英文标准名称】:Harmonizedsystemofqualityassessmentforelectroniccomponents:sectionalspecification:magneticoxidecoresforlineartransformers
【原文标准名称】:电子元器件质量评定统一体系.分规范.线性变压器用磁性氧化铁芯
【标准号】:BSEN125200-1978
【标准状态】:现行
【国别】:英国
【发布日期】:1978-11-30
【实施或试行日期】:1978-11-30
【发布单位】:英国标准学会(GB-BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:电气元件;通信设备;变压器;详细规范;统计质量控制;作标记;磁芯;资格鉴定;质量管理;质量保证体系;磁路;分类系统;检验;鉴定试验;铁酸盐;评估的质量;电子设备及元件;规范(审批);布置;氧化物
【英文主题词】:Blankforms;Cores;Detailspecification;Dimensions;Electricalengineering;Electronicequipmentandcomponents;Ferritcores;Ferrites;Inductance;Inductorapplications;Linear;Magneticcores;Magneticfluxdensity;Marking;Oxides;Quality;Qualityassessmentsystems;Qualityassurancesystems;Sectionalspecification;Testreports;Testing;Transformers;Types;Visualinspection(testing)
【摘要】:Characteristics,ratingsandinspectionrequirementsformagneticcoresofassessmentqualityfortransformersforprofessionalandindustrialapplications.Doesnotcoverpower,blockingandtunedtransformers.
【中国标准分类号】:L19;L00
【国际标准分类号】:29_100_10
【页数】:24P;A4
【正文语种】:英语



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