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zhaizihui

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[求助] 电解质溶液的浓度 已有1人参与

为什么测试碱性和酸性条件下的RDE要在0.1M浓度的KOH溶液中,这个浓度为什么选择0.1M呢?
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ilvyChem

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酸性条件也要在0.1M KOH里面?题目有问题。至于为什么选择0.1M,浓度高到1M也行,最好使用聚四氟乙烯电解池,使用玻璃电解池会引起杂质离子污染。浓度太低,比如0.01M,离子电导率太低,在那个浓度下HER电流密度都上不去的,

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2楼2016-12-27 20:56:24
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gxytju2008

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【答案】应助回帖

感谢参与,应助指数 +1
看你要和谁去比了,。。这就是个标准而已,否则大家数据没办法在一起比较谁的性能更好
3楼2016-12-27 23:05:12
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