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化学学报
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化学学报 ›› 1992, Vol. 50 ›› Issue (1): 5-10. 上一篇    下一篇

研究论文

气液色谱法研究醇类在芳烃中的缔合溶液热力学

郑国康;周效贤;王立峰;蔡晔;刘平   

  1. 兰州大学化学系
  • 发布日期:1992-01-15

Thermodynamic study of associated solutions of alcohols in aromatics by gas-liquid chromatography

ZHENG GUOKANG;ZHOU XIAOXIAN;WANG LIFENG;CAI YE;LIU PING   

  • Published:1992-01-15

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被引次数

1

用气液色谱法测量了不同温度下C~1-C~4醇类的各异构物在二苯甲烷、联苄、二苯乙炔、二苯甲酮及二苯亚砜中的无限稀活度系数γ~i、偏摩尔过量焓H^E~i及偏摩尔过量熵S^E~i。用Kretschmer-Wiebe 模型计算各醇类在二苯甲烷、联苄、二苯乙炔中的自身缔合常数K~A, 得到在同一溶剂中, C~1-C~4醇类, K~A减小次序。用同一模型计算各醇类在二苯甲酮、二苯亚砜中的交叉缔合常数K~A~B, 得到在同一溶剂中, K~A~B减小次序。

关键词: 热力学性质, 热力学, 气液色谱, 醇, 熵, 缔合, 焓, 二苯基甲烷, 活度系数, 二苯甲酮

Activity coefficients at infinite dilution and partial excess enthalpies were determine for C1-C4 alcs. in solns. with several organic solvents. The effect of association was examined

Key words: THERMODYNAMIC PROPERTIES, THERMODYNAMICS, GAS LIQUID CHROMATOGRAPHY, ALCOHOL, ENTROPY, ASSOCIATION, ENTHALPY, DIPHENYLMETHANE, ACTIVITY COEFFICIENT, DIPHENYLMETHANONE

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