Effect of Salt on Relative Volatility of Binary Solution

孙仁义

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Effect of Salt on Relative Volatility of Binary Solution

更新时间：2025-12-16

- Effect of Salt on Relative Volatility of Binary Solution
- CIESC Journal Issue 2, (1985)
- 作者机构：
  
  河南大学化学系
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Online First：25 June 1985，
  
  Published：25 June 1985
- 稿件说明：
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孙仁义. Effect of Salt on Relative Volatility of Binary Solution[J]. CIESC Journal, 1985, (2).
DOI：

孙仁义. Effect of Salt on Relative Volatility of Binary Solution[J]. CIESC Journal, 1985, (2). DOI：

摘要

对关联盐对二元溶液相对挥发度影响的Furter经验方程进行理论分析

假定盐分子与液体分子形成不挥发的溶剂化物

改变了溶液可挥发的自由浓度

从而推导出方程中参数与液相浓度及溶剂化数间的函数关系式:K=η[(C_1/x_1)-(C_2/x_2)]用甲醇-苯-碘化钠、甲醇-四氯化碳-碘化钠、甲醇-环己烷-碘化钠三体系的汽液平衡实验(760mm-Hg)进行检验

与理论分析结果符合较好.并对Furter方程使用中的特殊情况进行了探讨.

Abstract

In this paper

the effect of salt on vapor-liquid equilibria for binary solutions is considered to be due to the formation of solvates

thus leading to a model of salt effect from which Furters equation can be deduced. Theparameter of Furters equation is represented by where C1

C2 are the solvation numbers of the two components

Some problems involved in the application of Furters equation were discussed. Experiments on vapor-liquid equilibria at atmospheric pressure for the systems

methanol-benzene-sodium iodide

methanol-carbon tetrachloride-sodium iodide and methanol-cyclohexane-sodium iodide were carried out

showing good agreement with the proposed mechanism and the deduced conclusions.

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