化学学报 ›› 1987, Vol. 45 ›› Issue (8): 737-743. 上一篇    下一篇

研究论文

单个离子标准迁移自由能的测定

高宏成;KIM,J.I.   

  1. 联邦德国慕尼黑技术大学放射化学研究所
  • 发布日期:1987-08-15

The determination of standard gibbs free energies of transfer for single-ions from water to organic solvents

GAO HONGCHENG;KIM,J.I.   

  • Published:1987-08-15

本文采用活化分析法测定参考解质Ph4AsPh4B晶体在水和有机溶剂中的溶解度和计算了它从水迁移到有机溶剂中的标准迁移Gibbs自由能△^s^wG^0t.根据Ph4AsPh4B假定,求得参考正负离子Ph4As^+和Ph4B^-的标准迁移Gibbs自由能.又通过测定Ph4AsTcO4,CsPh4B,KPh4B和CsTCO4等晶体在水和有机溶剂站的溶解度,求得TcO4^-,K^+,Cs^+等离子的标准迁移自由能,并对结果进行了讨论.

关键词: 四苯硼化钠, 活性系数, 溶解度, 苯 P, 活度, 电解质, 热力学函数, 离子迁移率, 有机硼化合物, 有机砷化合物

The standard Gibbs free energies of transfer were determine of the single-ions, TcO4-, Cs+, K+ from water to numerous organic solvents have been determine radiochem. by measuring the solubilities of Ph4AsPh4B, Ph4AsTcO4, CsTcO4, CsPh4B, KPh4B based on the Ph4AsPh4B convention.

Key words: TETRAPHENYLBORON-SODIUM, ACTIVITY COEFFICIENT, SOLUBILITY, BENZENE P, ACTIVITY, ELECTROLYTE, THERMODYNAMIC FUNCTION, IONIC MOBILITY, ORGANO BORON COMPOUNDS, ORGANO ARSENIUM COMPOUNDS

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