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【英文标准名称】:StandardTestMethodforDeterminationofAromaticContentandPolynuclearAromaticContentofDieselFuelsandAviationTurbineFuelsbySupercriticalFluidChromatography
【原文标准名称】:用超临界流体色谱法测定柴油和航空涡轮燃料中芳香烃含量和多核芳香烃含量的标准试验方法
【标准号】:ASTMD5186-2003
【标准状态】:现行
【国别】:
【发布日期】:2003
【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】:D02.04
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:试验;芳族化合物;柴油;液相色谱法;含量测定
【英文主题词】:aromatics;aromatichydrocarbons;dieselfuel;monoaromatics;polynuclear;supercriticalfluidchromatography
【摘要】:Thearomatichydrocarboncontentofmotordieselfuelsisafactorthatcanaffecttheircetanenumberandexhaustemissions.Thearomatichydrocarboncontentandthenaphthalenescontentofaviationturbinefuelsaffecttheircombustioncharacteristicsandsmoke-formingtendencies.Thesepropertiesrepresentspecificationsforaviationturbinefuels(seeSpecificationD1655).TheUnitedStatesEnvironmentalProtectionAgency(USEPA)regulatesthearomaticcontentofdieselfuels.CaliforniaAirResourcesBoard(CARB)regulationsplacelimitsonthetotalaromaticscontentandpolynucleararomatichydrocarboncontentofmotordieselfuel,thusrequiringanappropriateanalyticaldeterminationtoensurecompliancewiththeregulations.Producersofdieselfuelswillrequiresimilardeterminationsforprocessandqualitycontrol.Thistestmethodcanbeusedtomakesuchdeterminations.Thistestmethodisapplicabletomaterialsintheboilingrangeofmotordieselfuelsandisunaffectedbyfuelcoloration.TestMethodD1319,whichhasbeenmandatedbytheUSEPAforthedeterminationofaromaticsinmotordieselfuel,excludesmaterialswithfinalboilingpointsgreaterthan315x00B0;C(600x00B0;F)fromitsscope.TestMethodD2425isapplicabletothedeterminationofbothtotalaromaticsandpolynucleararomatichydrocarbonsindieselfuel,butismuchmorecostlyandtime-consumingtoperform.ResultsobtainedbythistestmethodhavebeenshowntobestatisticallymoreprecisethanthoseobtainedfromTestMethodD1319fortypicaldieselfuels,andthistestmethodhasashorteranalysistime.4Cooperativestudydata5havefoundthistestmethodtobemoreprecisethanthepublishedprecisionofTestMethodD1319whenappliedtoaviationturbinefuelsanddieselfuels.ResultsfromthistestmethodfortotalpolynucleararomatichydrocarbonsarealsoexpectedtobeatleastaspreciseasthoseofTestMethodD2425.1.1Thistestmethodcoversthedeterminationofthetotalamountsofmonoaromaticandpolynucleararomatichydrocarboncompoundsinmotordieselfuels,aviationturbinefuels,andblendstocksbysupercriticalfluidchromatography(SFC).Therangeofaromaticsconcentrationtowhichthistestmethodisapplicableisfrom1to75mass%.Therangeofpolynucleararomatichydrocarbonconcentrationstowhichthistestmethodisapplicableisfrom0.5to50mass%.1.2ThevaluesstatedinSIunitsaretoberegardedasstandard.Thevaluesstatedininch-poundunitsareforinformationonly.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:E31
【国际标准分类号】:75_160_20
【页数】:6P.;A4
【正文语种】: