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【英文标准名称】:StandardTestMethodforDeterminationofC2throughC5HydrocarbonsinGasolinesbyGasChromatography
【原文标准名称】:气相色谱法测定汽油中C2至C5烃的标准试验方法
【标准号】:ASTMD2427-2006
【标准状态】:现行
【国别】:
【发布日期】:2006
【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】:D02.04.0L
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:机动车燃料;色谱法;含量测定;烃类;石油产品;试验
【英文主题词】:C2toC5hydrocarbons;gaschromatography;gasoline
【摘要】:Inhydrocarbontypeanalysesofgasolines,highlyvolatilefuelscanneedtobestabilizedbydepentanization(TestMethodD2001)priortoanalysis.Aknowledgeofthecompositionoflighthydrocarbonsintheoverheadfromthedepentanizationprocessisusefulinconvertinganalysesofthedepentanizedfractiontoatotalsamplebasis.1.1Thistestmethodcoversthedeterminationofthetwo(C2)throughfive(C5-)carbonparaffinsandmono-olefinsingasolines.Theconcentrationsbyvolumeormass(weight)ofthefollowingcomponentsaregenerallyreported:1.1.1Ethyleneplusethane1.1.2Propane1.1.3Propylene1.1.4Isobutane1.1.5n-Butane1.1.6Butene-1plusisobutylene1.1.7trans-Butene-21.1.8cis-Butene-21.1.9Isopentane1.1.103-Methylbutene-11.1.11n-Pentane1.1.12Pentene-11.1.132-Methylbutene-11.1.14trans-Pentene-21.1.15cis-Pentene-21.1.162-Methylbutene-21.2Thistestmethoddoesnotcoverthedeterminationofcyclicolefins,diolefins,oracetylenes.Theseareusuallyminorcomponentsinfinishedgasolines.1.3Samplestobeanalyzedshouldnotcontainsignificantamountsofmaterialboilinglowerthanethylene.1.4ThevaluesstatedinSIunitsaretoberegardedasthestandard.Alternativeunits,incommonusage,arealsoprovidedtoimprovetheclarityandaidtheuserofthistestmethod.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:E31
【国际标准分类号】:75_160_20
【页数】:7P.;A4
【正文语种】: