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【英文标准名称】:DeterminationofTracesofMethanolinPropyleneConcentratesbyGasChromatography,TestMethodfor(05.03)
【原文标准名称】:用气相色谱法测定丙烯凝聚物中痕量甲醇的方法
【标准号】:ANSI/ASTMD4864-1990
【标准状态】:作废
【国别】:美国
【发布日期】:1990
【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】:丙烯;甲醇;气相色谱法;试验
【英文主题词】:Gaschromatography;Methanol;Propylene;Testing
【摘要】:ThistestmethodcoverstheestimationofthegrossandnetheatofcombustioninSIunits,megajoulesperkilogram,ofpetroleumfuelsfromthefueldensity,sulfur,water,andashcontent.Note1-TheequationforestimationofnetandgrossheatofcombustionusedinthismethodwereoriginallypublishedbytheNISTPublicationNo.97.Thistestmethodisespeciallyusefulforestimating,usingaminimumnumberoftests,theheatofcombustionofburneranddieselfuelsforwhichitisnotusuallycriticaltoobtainverypreciseheatdeterminations.Note2-Moreaccurateestimationmethodsareavailableforaviationfuels(TestMethodsD1405andD3338,andD4529).However,thoseestimationmethodsrequireadditionalteststothoserequiredinthistestmethod.Thistestmethodispurelyempirical(NOTE1).ItisapplicableonlytoliquidhydrocarbonfuelsderivedbynormalrefiningprocessesfromconventionalcrudeoilthatconformtotherequirementsofspecificationsforpetroleumfuelsasdescribedinNote3.Thistestmethodisvalidforthosefuelsinthedensityrangefrom750to1000kg/mandthosethatdonotcontainanunusuallyhigharomaticcontent.Higharomaticcontentfuelswillnotnormallymeetfuelspecificationcriteria.Note3-Theestimationoftheheatofcombustionofahydrocarbonfuelfromitsdensityandsulfur,water,andashcontentisjustifiableonlywhenthefuelbelongstowell-definedclassesforwhicharelationshipbetweenthesequantitieshavebeenderivedfromaccurateexperimentalmeasurementsonrepresentativesamplesoftheseclasses.Evenintheseclasses,thepossibilitythattheestimatemaybeinerrorbylargeamountsforindividualfuelsshouldberecognized.Thistestmethodhasbeentestedforalimitednumberoffuelsfromoilsandbitumenandshaleoiloriginandhasbeenfoundtobevalid.Theclassesoffuelsusedtoestablishthecorrelationpresentedinthistestmethodarerepresentedbythefollowingapplications:Thistestmethodisnotapplicabletopurehydrocarbons.Itisnotintendedasasubstituteforexperimentalmeasurementsofheatofcombustion(Note04).Note4-TheproceduresfortheexperimentaldeterminationofthegrossandnetheatsofcombustionaredescribedinTestMethodsD240andD4809.ThevaluesstatedinacceptableSIunitsaretoberegardedasthestandard.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:G31
【国际标准分类号】:71_080_10
【页数】:
【正文语种】:英语