高等学校化学学报 ›› 2000, Vol. 21 ›› Issue (11): 1717.

• 论文 • 上一篇    下一篇

30℃时碳酸铯-乙醇-水三元体系的平衡溶解度

胡满成, 刘志宏, 高世扬, 夏树屏, 郝丽霞, 岳先丽   

  1. 陕西师范大学应用化学研究所, 西安 710062
  • 收稿日期:1999-08-31 出版日期:2000-11-24 发布日期:2000-11-24
  • 通讯作者: 高世扬(1933年出生),男,教授,博士生导师,中国科学院院士,从事成盐元素化学研究.
  • 基金资助:

    教育部科技研究重点项目(批准号:99111)资助

Equilibrium Solubility of Ternary System Cs2CO3-EtOH-H2O at 30 ℃

HU Man-Cheng, LIU Zhi-Hong, GAO Shi-Yang, XIA Shu-Ping, HAO Li-Xia, YUO Xian-Li   

  1. Institute of Applied Chemistry, Shanxi Normal University, Xi an 710062, China
  • Received:1999-08-31 Online:2000-11-24 Published:2000-11-24

摘要: 采用自制微型平衡溶解度装置,首次研究了Cs2CO3-C2H5OH-H2O三元体系中出现醇相、水相和固相的三相平衡,测定了碳酸铯在醇、纯水和混合溶剂中的溶解度,并采用物化分析对数据进行处理,结果表明,碳酸铯对乙醇具有较强的盐析作用,用“湿渣结线法”获得30℃时平衡固相的组成为Cs2CO3·3.5H2O.

关键词: 碳酸铯, 乙醇, 三元体系, 溶解度, Cs2CO3·, 3.5H2O

Abstract: Solubility of Cs2CO3-C2H5OH H2O ternary system at 30 ℃ has been studied by using micro equipment for solubility determination. There appear two phases, alcoholic phase and water phase, in the liquid phase. The solubility of Cs2CO3 in water, C2H5OH and mixed solvent has been determined. The phase diagram indicated that C2H5OH might be strongly salted out by Cs2CO3 from this system and the equilibrium solid phase is Cs2CO3·3.5H2O.

Key words: Cs2CO3, Ethanol, Ternary system, Solubility, Cs2CO3·3.5H2O

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