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【英文标准名称】:VaporPressuresofPetroleumDistillateFuels,CalculationofTrue(05.02)
【原文标准名称】:石油馏出燃料的实际蒸气压力的计算(05.02)
【标准号】:ANSI/ASTMD2889-1995
【标准状态】:作废
【国别】:美国
【发布日期】:1995
【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】:试验;机动车燃料;石油产品
【英文主题词】:Automotivefuels;Mathematicalcalculations;Petroleumproducts;Testing;Vapourpressure
【摘要】:ThistestmethoddescribesthecalculationoftruevaporpressuresofpetroleumdistillatefuelsforwhichdistillationdatamaybeobtainedinaccordancewithTestMethodD86withoutreachingadecompositionpointpriortoobtaining90volume%distilled.Thetestmethodmaybeusedtocalculatevaporpressuresattemperaturesbetweenthe0%equilibriumflashtemperatureandthecriticaltemperatureofthefuel.Provisionisincludedforobtainingacalculatedcriticaltemperatureforfuelsforwhichitisnotknown.Criticalpressure-temperaturedataareusuallynotavailableforpetroleumfuels.However,ifboththecriticalpressureandcriticaltemperatureareknown,thevaluesshallbeusedasthecoordinatesintoestablishacriticalpointtobeusedinsteadofthefocalpointestablishedasdescribedin;andthecalculationsdescribedinthrougharenotrequired.Ifeitheradeterminedtrueboilingpointordeterminedequilibriumflashvaporizationtemperatureat0%distilledatatmosphericpressureisknown,thedeterminedvalueshallbeusedtoestablishthelowerlimitofthebubble-pointlinereferredtoin.Themethodisnotreliablefordistillatefuelshavingaboilingrangeoflessthan100F(38C)betweentheTestMethodD8610and90volume%distilledtemperatures.Thevaluesstatedininch-poundunitsaretoberegardedasstandard.ThevaluesgiveninparenthesesaremathematicalconversionstoSIunitsareprovidedforinformationonlyandarenotconsideredstandard.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:E31
【国际标准分类号】:75_080;75_160_20
【页数】:
【正文语种】:英语