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【英文标准名称】:TestMethodforVaporPressureofPetroleumProducts(MiniMethod)
【原文标准名称】:石油产品蒸气压力的试验方法(小型法)
【标准号】:ANSI/ASTMD5191-2007
【标准状态】:作废
【国别】:美国
【发布日期】:2007
【实施或试行日期】:2007-05-22
【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】:石油产品;测试;蒸气压力
【英文主题词】:Petroleumproducts;Testing;Vapourpressure
【摘要】:Thistestmethodcoverstheuseofautomatedvaporpressureinstrumentstodeterminethetotalvaporpressureexertedinvacuumbyair-containing,volatile,liquidpetroleumproducts.Thistestmethodissuitablefortestingsampleswithboilingpointsabove0`C(32`F)thatexertavaporpressurebetween7and130kPa(1.0and18.6psi)at37.8`C(100?F)atavapor-to-liquidratioof4:1.Measurementsaremadeonliquidsamplesizesintherangefrom1to10mL.Noaccountismadefordissolvedwaterinthesample.Note1-Samplescanalsobetestedatothervapor-to-liquidratios,temperatures,andpressures,buttheprecisionandbiasstatementsneednotapply.Note2-Theinterlaboratorystudiesconductedin1988,1991,and2003todeterminetheprecisionstatementsinTestMethodD5191didnotincludeanycrudeoilinthesamplesets.TestMethodD6377,aswellasIP481,havebeenshowntobesuitableforvaporpressuremeasurementsofcrudeoils.Somegasoline-oxygenateblendsmayshowahazewhencooledto0to1?C.Ifahazeisobservedin8.5,itshallbeindicatedinthereportingofresults.Theprecisionandbiasstatementsforhazysampleshavenotbeendetermined(seeNote14).Thistestmethodissuitableforcalculationofthedryvaporpressureequivalent(DVPE)ofgasolineandgasoline-oxygenateblendsbymeansofacorrelationequation(seeEqn.1in14.2).ThecalculatedDVPEverycloselyapproximatesthedryvaporpressurethatwouldbeobtainedonthesamematerialwhentestedbyTestMethodD4953.ThevaluesstatedinSIunitsareregardedasstandard.Theinch-poundunitsgiveninparenthesesareprovidedforinformationonly.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.Forspecificsafetywarningstatements,see7.2through7.8.
【中国标准分类号】:E30
【国际标准分类号】:75_080
【页数】:
【正文语种】:英语