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首次报道稀硫酸溶液中重铬酸钾在金电极上还原时产生的两种不同类型的电势振荡.一类发生在析氢之前,涉及电极表面低价铬氧化物钝化膜的形成和溶解;另一类伴随周期性析氢,源自电化学反应与扩散-对流传质的耦合.更有意义的是,这两种类型的电化学振荡分别与循环伏安图中的两个交叉环相对应.
硫酸溶液中重铬酸钾在金电极上还原过程中的两种电势振荡
【摘 要】
：
首次报道稀硫酸溶液中重铬酸钾在金电极上还原时产生的两种不同类型的电势振荡.一类发生在析氢之前,涉及电极表面低价铬氧化物钝化膜的形成和溶解;另一类伴随周期性析氢,源自
【机 构】
：
湖南师范大学化学化工学院
【出 处】
：
化学物理学报
【发表日期】
：
2004年期
【基金项目】
：
国家自然科学基金
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