物理化学学报 >> 1987, Vol. 3 >> Issue (03): 265-271.doi: 10.3866/PKU.WHXB19870309

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钼(Ⅵ)与L-天冬酰胺及L-天冬氨酸配合反应热力学参数的研究

沈振文; 许海涵; 陈梓元   

  1. 上海师范大学化学系
  • 收稿日期:1986-01-27 修回日期:1986-05-27 发布日期:1987-06-15

STUDIES ON THERMODYNAMIC PARAMETERS OF COORDINATION REACTIONS IN MOLYBDENUM(Ⅵ)-L-ASPARAGINE AND MOLYBDENUM (Ⅵ)-L-ASPARTIC ACID SYSTEMS

Shen Zhenwen; Xu Haihan; Chen Ziyuan   

  1. Department of Chemistry; Shanghai Normal University
  • Received:1986-01-27 Revised:1986-05-27 Published:1987-06-15

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摘要：

本文用旋光法研究了钼(Ⅵ)-L-天冬酰胺配合物的最大配位数, 用pH电位法研究了钼(Ⅵ)-L-天冬酰胺及钼(Ⅵ)-L-天冬氨酸配合物, 证实它们都生成1:1型配合物。测定了配合反应的热力学参数ΔHø、ΔGø、ΔSø并对它们进行了讨论。

Abstract:

The maximum coordination number of complex of molybdenum (Ⅵ) with L- Asparagine has been determined by polarimetry. The complexes with 1:1 form in the systems of Molybdenum (Ⅵ)-L-Asparagine and Molybdenum(Ⅵ)-L- Aspartic acid were demonstrated by pH potentiometric studies. The thermodynmic parameters ΔHø、ΔGø、ΔS~ø of these coordination reactions have been reported and discussed in this paper.