ASTM D5190-2007 石油产品蒸气压力的测定用标准试验方法(自动方法)

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【英文标准名称】:StandardTestMethodforVaporPressureofPetroleumProducts(AutomaticMethod)
【原文标准名称】:石油产品蒸气压力的测定用标准试验方法(自动方法)
【标准号】:ASTMD5190-2007
【标准状态】:现行
【国别】:
【发布日期】:2007
【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】:D02.08.0D
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:石油产品;测试;蒸气压力
【英文主题词】:automatedvaporpressuremeasurement;dryvaporpressure;gasoline;hydrocarbon-oxygenateblends;petroleumproducts;vaporpressure;Automatedprocedurespetroleumproductsanalysis;Calibrationpetroleumanalysisinstrumentation;Dryvaporpressure;Gas
【摘要】:Vaporpressureisanimportantphysicalpropertyofvolatileliquids.Thevaporpressureofgasolineandgasoline-oxygenateblendsisregulatedbyvariousgovernmentagencies.Specificationsforvolatilepetroleumproductsgenerallyincludevaporpressurelimitstoensureproductsofsuitablevolatilityperformance.ThistestmethodismoreprecisethanTestMethodD4953.1.1Thistestmethodcoversthedeterminationofthetotalvaporpressureofair-containing,volatile,petroleumproducts.Thistestmethodissuitablefortestingsampleswithboilingpointsabove0x00B0;C(32x00B0;F)thatexertavaporpressurebetween7and172kPa(1and25psi)at37.8x00B0;C(100x00B0;F)atavapor-to-liquidratioof4:1.Thistestmethodissuitablefortestinggasolinesamplesthatcontainoxygenates.Noaccountismadeofdissolvedwaterinthesample.1.1.1Somegasoline-oxygenateblendsmayshowahazewhencooledto0to1x00B0;C.Ifahazeisobservedin8.5,itshallbeindicatedinthereportingofresults.Theprecisionandbiasstatementsforhazysampleshavenotbeendetermined(seeNote8).1.2Thistestmethodissuitableforthecalculationofadryvaporpressureequivalent(DVPE)bymeansofacorrelationequation(see13.1).ThecalculatedDVPEverycloselyapproximatesthedryvaporpressurethatwouldbeobtainedonthesamematerialwhentestedinaccordancewithTestMethodD4953.1.3ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareforinformationonly.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.Forspecifichazardstatements,see7.3through7.5and9.2.
【中国标准分类号】:E30
【国际标准分类号】:75_080
【页数】:6P.;A4
【正文语种】: