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铜在55%LiBr溶液中的电势-pH图

, PP. 157-160

Keywords: 铜,溴化锂,电势-pH图

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Abstract:

根据化学势绘制了室温下在55%LiBr溶液中CuBr-H2O体系的铜的电势-pH图和腐蚀-免蚀-钝化条件图.结果表明，水溶液中Br-离子浓度增大后，Cu2O的稳定存在区域明显减小，CuBr的生成电势负移，溶解电势正移，且其稳定存在区域明显拓宽，导致了铜的免蚀和钝化区域的缩小，腐蚀加剧.电势-pH图的建立对研究高浓度LiBr溶液中铜及其合金的腐蚀行为有一定的参考价值.

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