升温法与降温法测定纯液体饱和蒸汽压的对比  

Comparison the Determination of Vaporpressure of Pure Liquid by Heating or Cooling Methods

作　　者：陈燕芹[1,2] 刘红[1,2] 黎璞[1,2] 

机构地区：[1]毕节学院化学与化学工程学院,贵州毕节551700 [2]贵州省应用化学特色重点实验室,贵州毕节551700

出　　处：《山东化工》2013年第9期135-138,共4页Shandong Chemical Industry

基　　金：毕节学院学科专业教学改革项目(JG201115)

摘　　要：本实验采用静态法升温法与降温法测定不同温度下三种不同试剂的饱和蒸气压。根据实验结果用克劳修斯-克拉贝龙方程分别计算出三种不同试剂的平均摩尔汽化热和正常沸点值,并对两种方法所得到的结果与文献值进行比较。This experiment adopted static heating and cooling methods to determine the saturated vapor pressure of three different reagents in different temperatures. Based on the experimental results, using Clausius - Clapeyron equation calculated the average molar heat of vaporization and normal boiling points of these three reagents, the results obtained by these two methods were compared with the literature values.

关 键 词：饱和蒸气压 摩尔汽化热 纯液体 正常沸点 

分 类 号：O642.5[理学—物理化学]