A New Method of Determining Azeotropic Point for Binary Miscible Systems

蔡志亮; 周星凤

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A New Method of Determining Azeotropic Point for Binary Miscible Systems

更新时间：2025-12-16

- A New Method of Determining Azeotropic Point for Binary Miscible Systems
- CIESC Journal Issue 5, (1988)
- 作者机构：
  
  浙江工学院化工系,浙江大学化学系 ,杭州,杭州
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Online First：25 October 1988，
  
  Published：25 October 1988
- 稿件说明：
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蔡志亮, 周星凤. A New Method of Determining Azeotropic Point for Binary Miscible Systems[J]. CIESC Journal, 1988, (5).
DOI：

蔡志亮, 周星凤. A New Method of Determining Azeotropic Point for Binary Miscible Systems[J]. CIESC Journal, 1988, (5). DOI：

摘要

本文在配制组成为x_((?)0)的二元互溶溶液置于平衡釜或沸点计中

恒压下运行至稳定后测出平衡室温度T

由此得出T—x_((?)0)曲线.本文证明了:最高(低)恒沸点存在的充分必要条件是0(<0)

i=1

2;且它与T～x_((?)0)的极大(小)点一致.对恒温时的p～x_((?)0)曲线结论类似.

Abstract

Let T (xi0) represent the temperature dependence (T) on the gravimetric mole fraction oi component i (Xi0) for the system within an ebulliometer or an equilibrium still operating steadily under constant pressure. We proved that the necessary and sufficient condition for the existence of maximun (minimum) azeotrope is(T/xi0)p |xi0=0>0(<0)

i=1

2;and the maximun (minimum) azeo-tropic point coincides with the maximun (minimum) point of T (xi0). Similar conclusions are obtained tor the case of constant temperature.

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