ASTM D2421-2002(2007) C5和轻质烃类气体体积、液体体积或重量基准的分析互变现象用标准实施规程
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【英文标准名称】:StandardPracticeforInterconversionofAnalysisofC5andLighterHydrocarbonstoGas-Volume,Liquid-Volume,orMassBasis
【原文标准名称】:C5和轻质烃类气体体积、液体体积或重量基准的分析互变现象用标准实施规程
【标准号】:ASTMD2421-2002(2007)
【标准状态】:现行
【国别】:
【发布日期】:2002
【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.H0
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:分析;气体;烃类;液体;石油产品;体积;重量
【英文主题词】:analysis;liquefiedpetroleumgases;naturalgasliquids
【摘要】:Forcustodytransferandotherpurposes,itisfrequentlynecessarytoconvertacomponentanalysisoflighthydrocarbonmixturefromonebasis(eithergas-volume,liquidvolume,ormass)toanother.Thecomponentdistributiondataoflighthydrocarbonmixturescanbeusedtocalculatephysicalpropertiessuchasrelativedensity,vapor-pressure,andcalorificvalue.Consistentandaccurateconversiondataareextremelyimportantwhencalculatingvapor,liquid,ormassequivalence.1.1ThispracticedescribestheprocedurefortheinterconversionoftheanalysisofC5andlighterhydrocarbonmixturestogas-volume(mole),liquid-volume,ormassbasis.1.2Thecomputationproceduresdescribedassumethatgas-volumepercentageshavealreadybeencorrectedfornonidealityofthecomponentsasapartoftheanalyticalprocessbywhichtheyhavebeenobtained.Thesearenumericallythesameasmolepercentages.1.3Theprocedureassumestheabsenceofnonadditivitycorrectionsformixturesofthepureliquidcompounds.Thisisapproximatelytrueonlyformixturesofhydrocarbonsofthesamenumberofcarbonatoms,andintheabsenceofdiolefinsandacetyleniccompounds.1.4ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareforinformationonly.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:G17
【国际标准分类号】:75_080
【页数】:4P.;A4
【正文语种】:
【原文标准名称】:C5和轻质烃类气体体积、液体体积或重量基准的分析互变现象用标准实施规程
【标准号】:ASTMD2421-2002(2007)
【标准状态】:现行
【国别】:
【发布日期】:2002
【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.H0
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:分析;气体;烃类;液体;石油产品;体积;重量
【英文主题词】:analysis;liquefiedpetroleumgases;naturalgasliquids
【摘要】:Forcustodytransferandotherpurposes,itisfrequentlynecessarytoconvertacomponentanalysisoflighthydrocarbonmixturefromonebasis(eithergas-volume,liquidvolume,ormass)toanother.Thecomponentdistributiondataoflighthydrocarbonmixturescanbeusedtocalculatephysicalpropertiessuchasrelativedensity,vapor-pressure,andcalorificvalue.Consistentandaccurateconversiondataareextremelyimportantwhencalculatingvapor,liquid,ormassequivalence.1.1ThispracticedescribestheprocedurefortheinterconversionoftheanalysisofC5andlighterhydrocarbonmixturestogas-volume(mole),liquid-volume,ormassbasis.1.2Thecomputationproceduresdescribedassumethatgas-volumepercentageshavealreadybeencorrectedfornonidealityofthecomponentsasapartoftheanalyticalprocessbywhichtheyhavebeenobtained.Thesearenumericallythesameasmolepercentages.1.3Theprocedureassumestheabsenceofnonadditivitycorrectionsformixturesofthepureliquidcompounds.Thisisapproximatelytrueonlyformixturesofhydrocarbonsofthesamenumberofcarbonatoms,andintheabsenceofdiolefinsandacetyleniccompounds.1.4ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareforinformationonly.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:G17
【国际标准分类号】:75_080
【页数】:4P.;A4
【正文语种】:
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