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Homework Help: Electrochemical investigations using a three electrode system

  1. Jul 26, 2010 #1
    Hi, im trying to understand what's going on in a standard three electrode system such as one used in cyclic voltammetry and the functions of each of the electrodes. I.e What role does the Working, Counter and Reference electrodes play?

    The conclusions iv'e come to so far is that working electrode allow's the reaction you are interested in to take place and facilitates the transfer of charge. The counter electrode is designed to balance the charge drawn by the working electrode. The reference electrode is a half cell with a known potential and acts as reference to allow the potential of the working electrode to be measured. Do these descriptions make sense and have i missed out any details? Any help would be greatly appreciated.

  2. jcsd
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