Propagation and Interaction of Cellular Fronts in a Closed System

We experimentally study the development of cellular acidity fronts during the chlorite oxidation of tetrationate performed in a thin layer of viscous solution containing different amounts of polyelectrolyte. These properties and the interaction between fronts are investigated as a function of initia...

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Bibliographic Details
Published in:The journal of physical chemistry. A, Molecules, spectroscopy, kinetics, environment, & general theory Molecules, spectroscopy, kinetics, environment, & general theory, 2001-07, Vol.105 (27), p.6769-6774
Main Authors: Fuentes, M, Kuperman, M. N, De Kepper, P
Format: Article
Language:English
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Summary:We experimentally study the development of cellular acidity fronts during the chlorite oxidation of tetrationate performed in a thin layer of viscous solution containing different amounts of polyelectrolyte. These properties and the interaction between fronts are investigated as a function of initial chemical concentrations. The observations are compared to numerical results obtained with a skeleton kinetic model of the reaction using a two-dimensional finite element integration scheme. The agreements with observations are striking.
ISSN:1089-5639
1520-5215
DOI:10.1021/jp0037192