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Published May 1991 | Supplemental Material
Journal Article Open

Cobaltolator: a skeleton model for the oscillatory oxidation of benzaldehyde


The oscillatory catalyzed oxidation of benzaldehyde by air has been simulated by a skeleton model with only three independent composition variables and four chemical steps, one of which is reversible. The model also u s a two disposable stoichiometric parameters, but we believe it is the sparsest model that has ever been proposed for simulating a real chemical oscillator with three or more variables. Our calculations have produced good approximations not only to the oscillations observed experimentally but also to the traveling waves that have recently been reported. A more complete mechanism derived from the processes proposed previously will also generate oscillations for selected values of the rate constants.

Additional Information

© 1991 American Chemical Society. (Received: September 11, 1990; In Final Form: December 27, 1990) Based in part on the Ph.D. Thesis of John Edward Guslander, University of Oregon, March 1990. This research was supported by a grant from the National Science Foundation. A.J.C. was on leave from the Department of Chemistry, University of Mar del Plata and CONICET of Argentina. This paper is no. 93 in the Series "Chemical Oscillations and Instabilities"; no. 92 is Noyes, R. M. React. Kinet. Catal. Lett. 1990, 42, 169-181.

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