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【英文标准名称】:TestMethodforVaporPressureofLiquefiedPetroleumGases(LPG)(ExpansionMethod)
【原文标准名称】:液化石油气(LPG)蒸气压力的试验方法(膨胀法)
【标准号】:ANSI/ASTMD6897-2004
【标准状态】:作废
【国别】:美国
【发布日期】:2004
【实施或试行日期】:2004-02-24
【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】:气体;蒸气压力;石油
【英文主题词】:Expansionmethod;Gases;Liquefiedgases;Petroleum;Vapourpressure
【摘要】:Thistestmethodcoverstheuseofautomaticvaporpressureinstrumentstodeterminethevaporpressureofliquefiedpetroleumgasproductsatatemperatureof37.8?C,vaportoliquidratioof0.5:1,andpressuresfrom200to1550kPaonasamplevolumeof3.33mL.Thistestmethodisapplicabletothedeterminationofvaporpressuresofliquefiedpetroleumgasproductsattemperaturesfrom37.8to70?C,vaportoliquidratiosof0.1:1to4:1,andpressuresupto3500kPa;however,theprecisionofthetestmethod(seeSection15)hasonlybeendeterminedforavaportoliquidratioof0.5:1,atatemperatureof37.8?C,andapressurerangefrom300to1500kPa.Note1-ThistestmethodisnotintendedtodeterminethetruevaporpressureofLPGsamples,butratherdetermineandreportthevaporpressureofLPGatthe37.8?Ctemperatureand0.5:1vaportoliquidratioastheTestMethodD1267method.Note2-Thistestmethodisnotatruevaporpressuremethodandwillnotmeasurethefullcontributionfromanydissolvedgasessuchasnitrogenorheliumiftheyarepresent.Thecontributionoflightgasestothemeasuredvaporpressureishighlydependentonthetesttemperature,typeofgas,andV/Lratioofthetest.AtaskgrouphasbeenformedtodetermineorquantifytheeffectthatthecontributionoflightgaseshaveonthemeasuredvaporpressureofLPGsampletypesasafunctionofthetesttemperature,typeofgas,andV/Lratioofthetest.ThevaluesstatedinSIunitsaretoberegardedasstandard.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.Forspecifichazardstatements,seeAppendixX2.
【中国标准分类号】:E46
【国际标准分类号】:75_160_30
【页数】:
【正文语种】:英语