Boron-doped diamond electrodes and microelectrode-arrays for the measurement of sulfate and peroxodisulfate

被引：54
|
作者：
Provent, C [1 ]
Haenni, W [1 ]
Santoli, E [1 ]
Rychen, P [1 ]
机构：
[1] CSEM SA, CH-2007 Neuchatel, Switzerland
来源：
ELECTROCHIMICA ACTA | 2004年 / 49卷 / 22-23期
关键词：
boron-doped diamond electrodes; microelectrodes; amperometry; voltametry; peroxodisulfate; sulfate; monitoring; doping level;
D O I：
10.1016/j.electacta.2004.02.047
中图分类号：
O646 [电化学、电解、磁化学];
学科分类号：
081704 ;
摘要：
Measurements of sulfate and peroxodisulfate concentrations with boron-doped diamond (BDD) electrodes and microelectrode array electrodes have been performed in various media. Diamond electrodes allow the measurement of sulfate on the anodic side of the electrochemical window through its oxidation into peroxodisulfate, and detection of peroxodisulfate on the cathodic side through the reverse reduction reaction. In all cases, current density was proportional to solution concentrations. The effect of the doping level (boron concentration) of the diamond films on these measurements was evaluated. Some industrial applications of this technology are foreseen. (C) 2004 Elsevier Ltd. All rights reserved.
引用
收藏
页码：3737 / 3744
页数：8
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