ASTM D5845-2001(2006) 用红外线光谱法测定汽油中MTBE、ETBE、TAME、DIPE、甲醇、乙醇和叔丁醇的标准试验方法
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【英文标准名称】:StandardTestMethodforDeterminationofMTBE,ETBE,TAME,DIPE,Methanol,Ethanolandtert-ButanolinGasolinebyInfraredSpectroscopy
【原文标准名称】:用红外线光谱法测定汽油中MTBE、ETBE、TAME、DIPE、甲醇、乙醇和叔丁醇的标准试验方法
【标准号】:ASTMD5845-2001(2006)
【标准状态】:现行
【国别】:
【发布日期】:2001
【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】:D02.04.0F
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:汽油;红外线光谱法;含量测定
【英文主题词】:alcohols;diisopropylether;ethanol;ethers;ethyltert-butylether;methanol;methyltert-butylether;motorgasoline;oxygenate;tert-amylmethylether;tert-butanol
【摘要】:Alcoholsandethersareaddedtogasolinetoproduceareformulatedloweremissionsgasoline.Alcoholsandethersmayalsobeaddedtogasolinetoincreasetheoctanenumber.Typeandconcentrationofvariousoxygenatesarespecifiedandregulatedtoensureacceptablecommercialgasolinequality.Driveability,vaporpressure,phaseseparation,andevaporativeemissionsaresomeoftheconcernsassociatedwithoxygenatedfuels.Thistestmethodisfaster,simpler,lessexpensiveandmoreportablethancurrentmethods.Thistestmethodmaybeapplicableforqualitycontrolintheproductionofgasoline.Thistestmethodisnotsuitablefortestingforcompliancewithfederalregulations.3Falsepositivereadingsforsomeofthesamplestestedintheroundrobinweresometimesobserved.Asonlyextremebasegasolinesweretestedintheroundrobin,nodefinitivestatementcanbemadeastotheexpectedfrequencyormagnitudeoffalsepositivesexpectedinawiderrangeofbasegasolines.1.1Thistestmethodcoversthedeterminationofmethanol,ethanol,tert-butanol,methyltert-butylether(MTBE),ethyltert-butylether(ETBE),tert-amylmethylether(TAME),anddiisopropylether(DIPE)ingasolinebyinfraredspectroscopy.Thetestmethodissuitablefordeterminingmethanolfrom0.1to6mass%,ethanolfrom0.1to11mass%,tert-butanolfrom0.1to14mass%,andDIPE,MTBE,ETBEandTAMEfrom0.1to20mass%.1.2SIunitsofmeasurementarepreferredandusedthroughoutthisstandard.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【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】:
【原文标准名称】:用红外线光谱法测定汽油中MTBE、ETBE、TAME、DIPE、甲醇、乙醇和叔丁醇的标准试验方法
【标准号】:ASTMD5845-2001(2006)
【标准状态】:现行
【国别】:
【发布日期】:2001
【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】:D02.04.0F
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:汽油;红外线光谱法;含量测定
【英文主题词】:alcohols;diisopropylether;ethanol;ethers;ethyltert-butylether;methanol;methyltert-butylether;motorgasoline;oxygenate;tert-amylmethylether;tert-butanol
【摘要】:Alcoholsandethersareaddedtogasolinetoproduceareformulatedloweremissionsgasoline.Alcoholsandethersmayalsobeaddedtogasolinetoincreasetheoctanenumber.Typeandconcentrationofvariousoxygenatesarespecifiedandregulatedtoensureacceptablecommercialgasolinequality.Driveability,vaporpressure,phaseseparation,andevaporativeemissionsaresomeoftheconcernsassociatedwithoxygenatedfuels.Thistestmethodisfaster,simpler,lessexpensiveandmoreportablethancurrentmethods.Thistestmethodmaybeapplicableforqualitycontrolintheproductionofgasoline.Thistestmethodisnotsuitablefortestingforcompliancewithfederalregulations.3Falsepositivereadingsforsomeofthesamplestestedintheroundrobinweresometimesobserved.Asonlyextremebasegasolinesweretestedintheroundrobin,nodefinitivestatementcanbemadeastotheexpectedfrequencyormagnitudeoffalsepositivesexpectedinawiderrangeofbasegasolines.1.1Thistestmethodcoversthedeterminationofmethanol,ethanol,tert-butanol,methyltert-butylether(MTBE),ethyltert-butylether(ETBE),tert-amylmethylether(TAME),anddiisopropylether(DIPE)ingasolinebyinfraredspectroscopy.Thetestmethodissuitablefordeterminingmethanolfrom0.1to6mass%,ethanolfrom0.1to11mass%,tert-butanolfrom0.1to14mass%,andDIPE,MTBE,ETBEandTAMEfrom0.1to20mass%.1.2SIunitsofmeasurementarepreferredandusedthroughoutthisstandard.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【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】:
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