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Impedance of a Micro-Disk Microelectrode

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For the macroelectrode, one can use the Warburg impedance to describe the diffusion coefficient. This Demonstration shows the analytical solution for the diffusional impedance of a micro-disk electrode. It is a function of frequency, kinetics, concentration, and the radius of the microelectrode.

Contributed by: Quang-Dao Trinh (March 2011)
Open content licensed under CC BY-NC-SA

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