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Complex dynamical behavior from coupling between a catalyzed Belousov-Zhabotinskii-like reaction and its uncatalyzed oscillatory component in a flow reactor

MPG-Autoren

Dutt,  A. K.
Max Planck Institute of Molecular Physiology, Max Planck Society;

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Zitation

Dutt, A. K. (2002). Complex dynamical behavior from coupling between a catalyzed Belousov-Zhabotinskii-like reaction and its uncatalyzed oscillatory component in a flow reactor. Journal of Physical Chemistry B, 106(42): 1, pp. 11069-11072.


Zitierlink: http://hdl.handle.net/11858/00-001M-0000-0014-0DE6-E
Zusammenfassung
We have investigated the relationship between the ferroin- catalyzed gallic acid/bromate oscillatory reaction with its uncatalyzed oscillatory component in the light of experimental findings and mechanistic understanding. Low stirring and high temperature increase the oscillation frequency and decrease the amplitude in this catalyzed system, which has been explained in terms of stirring and mixing effects. The uncatalyzed component is reported to exhibit bistability at 20 degreesC (room temperature) in a new concentration region and oscillations and bistability at very low flow rate in the presence of an additional feed of bromide ions.