应用化学 ›› 1984, Vol. 0 ›› Issue (2): 46-49.

• 研究论文 • 上一篇    下一篇

依来铬红B的电还原

刘雁鸣1, 汪尔康2   

  1. 山西大学化学系;
    2. 中国科学院长春应用化学研究所
  • 收稿日期:1983-10-19 修回日期:1984-01-07 出版日期:1984-06-10 发布日期:1984-06-10

ELECTROREDUCTION OF ERIOCHROME RED B

Liu Yanmin1, Wang Erkang2   

  1. 1. Department of Chemistry, Shanxi;
    2. University Changchun Institute of Applied Chemistry, Academia Sinica
  • Received:1983-10-19 Revised:1984-01-07 Published:1984-06-10 Online:1984-06-10

摘要: 本文用普通极谱、脉冲极谱、循环伏安法研究了依来铬红B的电还原。随着pH不同,共可产生3个波(pH6.2—12.2)。总波高相当于—受扩散控制的不可逆2电子还原波;第一波和第三波分别为吸附前波和吸附后波。根据实验结果,提出—电还原机理。

Abstract: Electroreduction of eriochrome red B was studied by d.c.polarography,differential pulse polarography, and cyclic voltammetry. There appeared three waves(peaks)over pH range of 6.2-12.2. The sum of wave Ⅰ,Ⅱ and Ⅲ is of diffusion controlled, two-electron,and irreversible one.Wave Ⅰ and Ⅲ are of adsorption prewave and post-wave,respectively,From experimental results a mechanism for electroreduction of eriochrome red B was proposed.