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swimvc銀蟲 (著名寫手)
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[交流]
【求助】求教,什么情況下會導致做CV圖時,掃速快時出峰,掃速慢時不出峰 已有2人參與
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如題 今天做修飾電極出現(xiàn)了這樣的情況,誰知道什么原因呢? |
金蟲 (初入文壇)
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Don't forget the electrochemical reaction occurs at surface. If the chemical for some reason can't form sort of stong enough interaction with electrode, then CV peak can't be found. Specifically, if the CV scan speed is high, more reactant is used kinetically, the anodic or cathodic current peak is easy to find. Conversely, the CV scan speed is low, relative low content of reactant at the electrode surface is reached, it is more difficult to find CV peak. On the other hand, is your electrolyte conductive enough? If not, the electrochemical reaction is going to be more sluglish. |
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