硫酸溶液中铊的电化学沉积与溶解
Electrochemical Deposition and Dissolution of Thallium from Sulfate Solutions.
作者信息
Ussipbekova Ye Zh, Seilkhanova G A, Jeyabharathi Ch, Scholz F, Kurbatov A P, Nauryzbaev M K, Berezovskiy A
机构信息
Faculty of Chemistry and Chemical Technology, Al-Farabi Kazakh National University, 71 Al-Farabi Avenue, Almaty 050040, Kazakhstan.
Institut für Biochemie, Universität Greifswald, Soldmannstrasse 23, 17489 Greifswald, Germany.
出版信息
Int J Anal Chem. 2015;2015:357514. doi: 10.1155/2015/357514. Epub 2015 May 3.
The electrochemical behavior of thallium was studied on glassy carbon electrodes in sulfate solutions. Cyclic voltammetry was used to study the kinetics of the electrode processes and to determine the nature of the limiting step of the cathodic reduction of thallium ions. According to the dependence of current on stirring rate and scan rate, this process is diffusion limited. Chronocoulometry showed that the electrodeposition can be performed with a current efficiency of up to 96% in the absence of oxygen.
在硫酸盐溶液中，研究了铊在玻碳电极上的电化学行为。采用循环伏安法研究电极过程动力学，并确定铊离子阴极还原的限速步骤的性质。根据电流对搅拌速率和扫描速率的依赖性，该过程受扩散限制。计时库仑法表明，在无氧条件下进行电沉积时，电流效率可达96%。
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