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A mathematical modeling of the electrochemical reactions at a rotating disc electrode is
delivered. The pattern is constructed on stationary nonlinear diffusion equation associated to
enzymatic reaction of the Michaelis-Menten kinetics. We described analytically nearly
approximate appearance pertaining to substrate concentration profile for entirely possible
significances of the reaction diffusion parameters m K are cat K at the RDE by employing
homotopy perturbation method (HPM). The significance of few parameters is given in detail,
leading to the ideas which can recover the analytical performance.