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18801217036

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[求助] 三电极体系中,对电极的电位如何确定?Geobacter挂膜的问题

最近在做Geobacter在阳极挂膜的实验,工作电极——阳极——玻碳电极电位设为0V,对电极——阴极——铂网电极,参比电极——银氯化银电极,我设想的是,G菌在玻碳电极挂膜。但是养了12h后,发现铂网电极表面有一层淡红色絮状体,也就是G菌长在了铂网电极上。发生这一现象的可能原因是,玻碳电极设为了0V,铂网电极的电位更高,使得铂网电极作为了阳极,玻碳为阴极。
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18801217036

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