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Ronally

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[求助] 求助循环伏安电极反应转移的电子数的确定方法

如图所示,最近我合成了一个碘代烷烃并测定了CV曲线,还原峰电位Epc = -2.25 V, 但不知道还原峰是单电子还原生产烷基自由基的过程还是双电子还原生产了烷基负离子的过程,请教各位如何确定这个还原峰转移的电子数呢?需要做哪些实验或者计算?文献中关于卤代烃的还原有这样的描述:Reduction of alkyl and benzyl halides proceeds in two one-electron addition steps. The first detectable product is the alkyl or benzyl radical and this is reduced further to the carbanion, Some alkyl iodides show two polarographic waves corresponding to the two steps. Alkyl bromides show only one two-electron wave and alkyl chlorides are not reducible in the available potential window. 谢谢帮助。

求助循环伏安电极反应转移的电子数的确定方法
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cp872168381

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测试软件自身就可以的,改变纵坐标为Q即可,可以估算

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2楼2016-08-04 06:45:20
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