Electrochemical techniques for the study of electrode kinetics

With any electrochemical technique to study kinetics, the electrode-solution interface is perturbed from its initial situation. The initial conditions may be such that the system is in a chemical equilibrium and this usually means that the interfacial potential difference is determined by Nernst s law holding for the two components O and R of a redox couple being present 

At first sight, electrochemical textbooks [21, 22] contain a dazzling number of techniques, each of them described by the appropriate mathematics, and it can be difficult to recognize the special features that makes a technique suitable for some particular purpose. Therefore, a certain classification will be useful. 

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