【英文标准名称】:StandardPracticeforCalculatingHeatofVaporizationorSublimationfromVaporPressureData
【原文标准名称】:从蒸气压力数据中计算汽化热或蒸馏热的标准实施规程
【标准号】:ASTME2071-2000(2010)
【标准状态】:现行
【国别】:美国
【发布日期】:2000
【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】:E37.10
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:
【英文主题词】:Antoineequation;Clausius-Clapeyronequation;enthalpyofsublimation;enthalpyofvaporization;Haggenmacherequation;heatofsublimation;heatofvaporization;vaporpressure;Antoineequation;Clausius-Clapeyronequation;Enthalpyofvaporization/sub
【摘要】:1.1Thispracticedescribesthecalculationoftheheatofvaporizationofaliquidortheheatofsublimationofasolidfrommeasuredvaporpressuredata.Itisapplicabletopureliquids,azeotropes,puresolids,andhomogenoussolidsolutionsoverthetemperaturerangeforwhichthevaporpressureequationfittedtothemeasureddataisapplicable.Note18212;Thispracticeisgenerallynotapplicabletoliquidmixtures.Forapureliquidorazeotrope,compositiondoesnotchangeuponvaporizationsothattheintegralheatofvaporizationisidenticaltothedifferentialheatofvaporization.Non-azeotropicliquidmixtureschangecompositionuponvaporizing.Heatofvaporizationdatacomputedfromthispracticeforaliquidmixturearevalidonlyasanapproximationtothemixturedifferentialheatofvaporization;itisnotavalidapproximationtothemixtureintegralheatofvaporization.1.2ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.3ThereisnoISOstandardequivalenttothispractice.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:N12
【国际标准分类号】:27_040
【页数】:4P.;A4
【正文语种】:英语