ASTM D6378-2007e1 测定石油产品、烃和烃氧化剂混合物蒸气压力(VPX)的标准试验方法(三级膨胀法)
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【英文标准名称】:StandardTestMethodforDeterminationofVaporPressure(VPX)ofPetroleumProducts,Hydrocarbons,andHydrocarbon-OxygenateMixtures(TripleExpansionMethod)
【原文标准名称】:测定石油产品、烃和烃氧化剂混合物蒸气压力(VPX)的标准试验方法(三级膨胀法)
【标准号】:ASTMD6378-2007e1
【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(ASTM)
【起草单位】:D02.08
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:汽油;烃混合物;石油产品;测试;蒸气压力
【英文主题词】:dryvaporpressure;gasoline;hydrocarbon-oxygenateblends;minimethod;petroleumproducts;vaporpressure;variablevolumemethod;
【摘要】:Vaporpressureisaveryimportantphysicalpropertyofvolatileliquidsforshippingandstorage.Thevaporpressureofgasolineandgasoline-oxygenateblendsisregulatedbyvariousgovernmentagencies.Specificationsforvolatilepetroleumproductsgenerallyincludevaporpressurelimitstoensureproductsofsuitablevolatilityperformance.Inthistestmethod,anairsaturationprocedurepriortothemeasurementisnotrequired,thuseliminatinglossesofhighvolatilecompoundsduringthisstep.Thistestmethodisfasterandminimizespotentialerrorsfromimproperairsaturation.ThistestmethodpermitsVPXdeterminationsinthefield.Thistestmethodcanbeappliedinonlineapplicationsinwhichanairsaturationprocedurepriortothemeasurementcannotbeperformed.1.1Thistestmethodcoverstheuseofautomatedvaporpressureinstrumentstodeterminethevaporpressureexertedinvacuumbyvolatile,liquidpetroleumproducts,hydrocarbons,andhydrocarbon-oxygenatemixtures.Thistestmethodissuitablefortestingsampleswithboilingpointsabove0176;C(32176;F)thatexertavaporpressurebetween7and150kPa(1.0and21psi)at37.8176;C(100176;F)atavapor-to-liquidratioof4:1.Theliquidsamplevolumesizerequiredforanalysisisdependentuponthevapor-to-liquidratiochosen(seeNote1)andthemeasuringchambervolumecapacityoftheinstrument(see6.1.1andNote3).Note1Thetestmethodissuitableforthedeterminationofthevaporpressureofvolatile,liquidpetroleumproductsattemperaturesfrom0to100176;Catvaportoliquidratiosof4:1to1:1(X=4to1)andpressuresupto500kPa(70psi),buttheprecisionstatement(seeSection16)maynotbeapplicable.1.2Thevaporpressure(VPX)determinedbythistestmethodatavapor-liquidratioof4:1(X=4)ofgasolineandgasoline-oxygenateblendsat37.8176;Ccanbecorrelatedtothedryvaporpressureequivalent(DVPE)valuedeterminedbyTestMethodD5191(see16.2).1.3&si-value;Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.Forspecificwarningstatements,see7.2-7.8.
【中国标准分类号】:E30
【国际标准分类号】:75_080;75_080;75_080
【页数】:14P.;A4
【正文语种】:
【原文标准名称】:测定石油产品、烃和烃氧化剂混合物蒸气压力(VPX)的标准试验方法(三级膨胀法)
【标准号】:ASTMD6378-2007e1
【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(ASTM)
【起草单位】:D02.08
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:汽油;烃混合物;石油产品;测试;蒸气压力
【英文主题词】:dryvaporpressure;gasoline;hydrocarbon-oxygenateblends;minimethod;petroleumproducts;vaporpressure;variablevolumemethod;
【摘要】:Vaporpressureisaveryimportantphysicalpropertyofvolatileliquidsforshippingandstorage.Thevaporpressureofgasolineandgasoline-oxygenateblendsisregulatedbyvariousgovernmentagencies.Specificationsforvolatilepetroleumproductsgenerallyincludevaporpressurelimitstoensureproductsofsuitablevolatilityperformance.Inthistestmethod,anairsaturationprocedurepriortothemeasurementisnotrequired,thuseliminatinglossesofhighvolatilecompoundsduringthisstep.Thistestmethodisfasterandminimizespotentialerrorsfromimproperairsaturation.ThistestmethodpermitsVPXdeterminationsinthefield.Thistestmethodcanbeappliedinonlineapplicationsinwhichanairsaturationprocedurepriortothemeasurementcannotbeperformed.1.1Thistestmethodcoverstheuseofautomatedvaporpressureinstrumentstodeterminethevaporpressureexertedinvacuumbyvolatile,liquidpetroleumproducts,hydrocarbons,andhydrocarbon-oxygenatemixtures.Thistestmethodissuitablefortestingsampleswithboilingpointsabove0176;C(32176;F)thatexertavaporpressurebetween7and150kPa(1.0and21psi)at37.8176;C(100176;F)atavapor-to-liquidratioof4:1.Theliquidsamplevolumesizerequiredforanalysisisdependentuponthevapor-to-liquidratiochosen(seeNote1)andthemeasuringchambervolumecapacityoftheinstrument(see6.1.1andNote3).Note1Thetestmethodissuitableforthedeterminationofthevaporpressureofvolatile,liquidpetroleumproductsattemperaturesfrom0to100176;Catvaportoliquidratiosof4:1to1:1(X=4to1)andpressuresupto500kPa(70psi),buttheprecisionstatement(seeSection16)maynotbeapplicable.1.2Thevaporpressure(VPX)determinedbythistestmethodatavapor-liquidratioof4:1(X=4)ofgasolineandgasoline-oxygenateblendsat37.8176;Ccanbecorrelatedtothedryvaporpressureequivalent(DVPE)valuedeterminedbyTestMethodD5191(see16.2).1.3&si-value;Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.Forspecificwarningstatements,see7.2-7.8.
【中国标准分类号】:E30
【国际标准分类号】:75_080;75_080;75_080
【页数】:14P.;A4
【正文语种】:
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