应用化学 ›› 1993, Vol. 0 ›› Issue (2): 84-86.

• 研究简报 • 上一篇    下一篇

用超灵敏跃迁方法测定钕(Ⅲ)-吡哆醇配合物的热力学函数

王流芳, 杨科武, 吴集贵, 杨正银   

  1. 兰州大学化学系 730000 兰州
  • 收稿日期:1992-03-26 修回日期:1992-11-11 出版日期:1993-04-10 发布日期:1993-04-10

DETERMINATION OF THERMODYNAMICAL FUNCTIONS OF NEODYMIUM(Ⅲ) PYRIDOXOL COMPLEXES BY HYPERSENSITIVE TRANSITION METHOD

Wang Liufang, Yang Kewu, Wu Jigui, Yang Zhengyin   

  1. Department of Chemistry, Lanzhou University, 730000 Lanzhou
  • Received:1992-03-26 Revised:1992-11-11 Published:1993-04-10 Online:1993-04-10

摘要: 应用超灵敏跃迁光谱法,测定了水溶液中钕(Ⅲ)-吡哆醇配合物的稳定常数及热力学函数。NdCl3由HCl(GR)和Nd2O3(99.99%)制得。配体溶液由KOH中和盐酸吡哆醇(Pyn·HCl)制得。Nd(Ⅲ)离子和配体浓度范围分别为0.013~0.041,0.015~0.405mol/L。所用仪器有:SPM-10A型酸度计,岛津UV-240型光度计。数据处理用YRCS程序,超灵敏跃迁峰面积按辛普森积分法求算。

关键词: 钕(Ⅲ), 吡哆醇, 配合物, 稳定常数, 热力学函数, 超灵敏跃迁, 振子强度

Abstract: The stability constant of the Nd3+-pyridoxol complex and thermodynamical functions were determined by the spectra of hypersensitive transition from the oscillator strength as a function of total ligand concentration.

Key words: neodymium ion, pyridoxol, complex, stability constant, thermodynamic function, hypersensitive transition, oscillator strength