Abstract

We show the dynamics of the oscillatory Mercury Beating Heart (MBH) reaction in acid aqueous solution with [CeIV(SO4)3]2− as oxidizing agent. The rich dynamics is appropriate to introduce students to oscillatory chemical reactions and nonlinear concepts. These oscillations display different modes of oscillations with geometric structures similar to heart, circle, and pointed stars. We consider oxidation-reduction reactions to explain the different periods of oscillations due mainly to the formation of mercury(I) species and plot the socalled reconstruction attractors from the variation of the Hg electrode potential in time.

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