ASTM E1782-2008 用热分析法测定蒸气压力的标准试验方法

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【英文标准名称】:StandardTestMethodforDeterminingVaporPressurebyThermalAnalysis
【原文标准名称】:用热分析法测定蒸气压力的标准试验方法
【标准号】:ASTME1782-2008
【标准状态】:现行
【国别】:美国
【发布日期】:2008
【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】:E37.01
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:Antoineequation;boilingpressure;boilingtemperature;differentialscanningcalorimetry(DSC);differentialthermalanalysis(DTA);vaporpressure;Antoineequation;Boilingtemperature/pressure;Differentialscanningcalorimetry(DSC);Differentialth
【摘要】:Vaporpressureisafundamentalthermophysicalpropertyofaliquid.Vaporpressuredataareusefulinprocessdesignandcontrol,inestablishingenvironmentalregulationsforsafehandlingandtransport,forestimationofvolatileorganiccontent(VOC),andinderivinghazardassessments.VaporpressureandboilingtemperaturedataarerequiredforMaterialSafetyDataSheets(MSDS).Theenthalpyofvaporizationmayalsobeestimatedfromtheslopeofthevaporpressurecurve(SeePracticeE2071).1.1Thistestmethoddescribesaprocedureforthedeterminationofthevaporpressureofpureliquidsormeltsfromboilingpointmeasurementsmadeusingdifferentialthermalanalysis(DTA)ordifferentialscanningcalorimetry(DSC)instrumentationoperatedatdifferentappliedpressures.1.2Thistestmethodmaybeusedforthetemperaturerange273to773K(0to500x00B0;C)andforpressuresbetween5kPato2MPa.Theserangesmaydifferdependingupontheinstrumentationusedandthethermalstabilityofmaterialstested.Becausearangeofappliedpressuresisrequiredbythistestmethod,theanalystisbestservedbyuseofinstrumentationreferredtoashighpressuredifferentialthermalinstrumentation(HPDSCorHPDTA).1.31.4ThereisnoISOstandardequivalenttothistestmethod.1.5Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:A53
【国际标准分类号】:
【页数】:6P.;A4
【正文语种】:英语