Comparison of dynamic behaviour of the anodic dissolution of copper in aqueous chloride and bromide solutions

被引：6
|
作者：
Gu, ZH [1 ]
Xia, SJ [1 ]
Fahidy, TZ [1 ]
机构：
[1] UNIV WATERLOO,DEPT CHEM ENGN,WATERLOO,ON N2L 3G1,CANADA
来源：
ELECTROCHIMICA ACTA | 1996年 / 41卷 / 13期
关键词：
copper; dynamics; oscillation; dissolution; FBM theory;
D O I：
10.1016/0013-4686(96)00010-2
中图分类号：
O646 [电化学、电解、磁化学];
学科分类号：
081704 ;
摘要：
Differences in the dynamic behaviour of the anodic dissolution of copper in aqueous NaCl and NaBr solutions containing SCN- ions were studied. In a neutral solution, addition of small amounts of NaBr to relatively concentrated NaCl solutions modifies oscillation amplitude, frequency and mean current density. While the mean value of the anodic current density is essentially the same in 0.5 mol dm(-3) NaCl and 0.5 mol dm(-3) NaBr electrolytes containing 0.5 mol dm(-3) sulfuric acid, fluctuation patterns are different. The experimental results are interpreted via Fractional Brownian Motion theory and analyzed by the principles of chemical equilibria. Copyright (C) 1996. Elsevier Science Ltd.
引用
收藏
页码：2045 / 2054
页数：10
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