作者:标准资料网 时间:2024-05-10 23:23:18   浏览:8032   来源:标准资料网

【英文标准名称】:TestMethodforOxygenatesandParaffin,Olefin,Naphthene,Aromatic(O-Pona)HydrocarbonTypesinLow-OlefinSpark-IgnitionEngineFulesbyGasChromatography
【原文标准名称】:利用气相色谱法对石蜡、烯烃、环烃和芳香性物质在低烯烃引擎机油中氧化性的测定方法
【标准号】:ANSI/ASTMD6293-1999
【标准状态】:作废
【国别】:美国
【发布日期】:1999
【实施或试行日期】:
【发布单位】:美国国家标准学会(US-ANSI)
【起草单位】:ANSI
【标准类型】:()
【标准水平】:()
【中文主题词】:分析方法;芳香的;机动车燃料;气相色谱法;气体;煤气;烃类;点火;液体燃料;;链烯;;石蜡;物理化学法;火花点火;火花点火发动机;试验
【英文主题词】:Analyticalmethods;Aromatic;Automotivefuels;Gaschromatography;Gases;Hydrocarbons;Ignition;Liquidfuels;Naphthenes;Olefins;Oxygenates;Paraffin;Physico-chemicalmethods;Sparkignitions;Spark-ignitionengines;Testing
【摘要】:Thistestmethodprovidesforthequantitativedeterminationofoxygenates,paraffins,olefins,naphthenes,andaromaticsinlow-olefinspark-ignitionenginefuelsbymultidimensionalgaschromatography.Eachhydrocarbontypecanbereportedeitherbycarbonnumber(see)orasatotalthroughC10,exceptforolefins,whichcanonlybereportedthroughC9.Higherboilinghydrocarbonscannotbereportedbytypeandarereportedasacompositegroup.Thelowerlimitofdetectionforasinglehydrocarboncomponentorcarbonnumbertypeis0.05mass%.Note1-TherecanbeanoverlapbetweentheC9andC10aromatics;however,thetotalisaccurate.IsopropylbenzeneisresolvedfromtheC8aromaticsandisincludedwiththeotherC9aromatics.NaphthaleneisdeterminedwiththeC11+components.Thistestmethodisapplicablefortotalolefinsintherangefrom0.05to13mass%.Thetestmethodcanquantitativelydetermineolefinsinsampleswheretheolefinconcentrationdoesnotexceed0.6%C4or4.0%C5or4.5%ofthecombinedC4andC5.Althoughtheprecisionforbenzenewasdeterminedintherangefrom0.3to1.0mass%,thistestmethodcanbeusedtodeterminebenzeneconcentrationsupto5.0mass%.Thistestmethodisnotintendedtodetermineindividualhydrocarboncomponentsexceptforthosehydrocarbontypesforwhichthereisonlyonecomponentwithinacarbonnumber.Individuallydeterminedhydrocarbonsarebenzene,toluene,cyclopentane,propane,propylene,andcyclopentene.PrecisiondatahasonlybeenobtainedonsamplescontainingMTBE.Applicationofthistestmethodtodetermineotheroxygenatesshallbeverifiedintheuser'slaboratory.MethanolcannotbedeterminedandshallbequantitatedbyanappropriateoxygenatemethodsuchasTestMethodD4815orD5599.Methanolisfullyresolvedanddoesnotinterferewiththedeterminationofothercomponentsorgroups.Althoughspecificallywrittenforspark-ignitionenginefuelscontainingoxygenates,thistestmethodcanalsobeappliedtootherhydrocarbonstreamshavingsimilarboilingranges,suchasnaphthasandreformates.ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:E30
【国际标准分类号】:71_040_50;75_160_20
【页数】:
【正文语种】:英语