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597509989

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[交流] 请教做循环伏安的时候,旋转圆盘电极的转速是多少?

请教做循环伏安的时候,旋转圆盘电极的转速是多少?
背景:我用普通的三电极法,没用旋转圆盘电极,测试H2SO4溶液中的循环伏安(CV),线性扫描(LSV)和Tafel,审稿人说我这些测是静态的,不够合理。
于是老板建议我用旋转圆盘电极(RDE)重新测试,请问:用RDE测CV、LSV和Tafel的时候,转速一般分别是多少??

以下是审稿人问题:It is extremely difficult to measure any kinetic overpotential for the H2 evolution reaction in acidic electrolyte on a Pt electrode. Certainly it cannot be done with a stationary porous electrode. The polarization that one observes is enitrely mass transfer and/or ohmic resistance. To be sure there are effects of the structure of the Pt electrode, but there are no true catalytic (kinetic) effects that be separated out from the observed polarization. This is a journal of catalysis. There is no catalytic result here.

[ Last edited by 597509989 on 2012-4-2 at 10:04 ]
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hexiaoyu11

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597509989(金币+1): 谢谢参与
597509989: 金币+5 2012-04-12 13:44:30
这个问题我也想知道哦
2楼2012-04-11 21:25:51
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