高等学校化学学报 ›› 1988, Vol. 9 ›› Issue (6): 580.

• 论文 • 上一篇    下一篇

锗(Ⅳ)-连苯三酚体系的微分脉冲吸附伏安法研究

孙长清, 高蒨, 刘丽玲   

  1. 吉林大学化学系
  • 收稿日期:1986-11-03 出版日期:1988-06-24 发布日期:1988-06-24
  • 通讯作者: 孙长清

Studies on the Adsorption Voltammetry of Germanium(Ⅳ)-Pyrogallol System with Differential Pulse Polarography

Sun Changqing, Gao Qian, Liu Liling   

  1. Department of Chemistry, Jilin University, Changchun
  • Received:1986-11-03 Online:1988-06-24 Published:1988-06-24

摘要: 本文研究了锗(Ⅳ)-连苯三酚体系在悬汞电极上的微分脉冲吸附伏安法。提出了用该法测定微量锗的最佳体系为0.1mol/LKCl+0.5mol/LHCl+4×10-4mol/L连苯三酚。当富集时间为4min时,最低检测浓度为1.2×10-10mol/L锗。同时研究了此体系在悬汞电极上的吸附特性及电极过程。

关键词: 锗, 吸附伏安法

Abstract: The characteristics of adsorption voltammetry of the germanium complex with pyrogallol at the mercury electrode were investigated in detail.Generally applicable condition for this method are given. When . the accumulative time is 4 min the limit of determination for germanium is 1.2×10-10mol/L

Key words: Germanium, Adsorption voltammetry

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