Abstract
All existing experimental examples of oscillating homogeneous chemical reactions and dissipative structures involve ionic systems. The linear stability analysis is applied to electrolytic solutions by including diffusion potential and ionic migration effects. It is shown that negative off-diagonal diffusion coefficients can exist in electrolytic solutions, since ions diffuse interactively even in dilute solutions and are influenced by the resulting diffusion potential. The inclusion of negative off-diagonal diffusion co-efficients can increase the possibility of oscillations and spatial structures.
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