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Small-amplitude and mixed-mode pH oscillations in the bromate-sulfite-ferrocyanide-aluminum(III) system
Journal article

Small-amplitude and mixed-mode pH oscillations in the bromate-sulfite-ferrocyanide-aluminum(III) system

Klara Kovacs, Marcin Leda, Vladimir K Vanag and Irving R Epstein
The journal of physical chemistry. A, Vol.113(1), pp.146-156
01/08/2009
DOI: https://doi.org/10.1021/jp807840g
PMID: 19086810

Abstract

Aluminum - chemistry Models, Chemical Bromates - chemistry Aluminum Hydroxide - chemistry Ferrocyanides - chemistry Molecular Structure Oscillometry Sulfites - chemistry Hydrogen-Ion Concentration Oscillations Physical Chemistry
The BrO(3)(-)-SO(3)(2-)-Fe(CN)(6)(4-) (BSF) pH-oscillatory system is coupled to the Al(OH)(3) precipitation equilibrium (BSFA system) and studied in a stirred flow reactor. The dynamic behavior of the BSFA system differs significantly from that of the BSF system. In addition to the large-amplitude pH oscillations found in the BSF system, new small-amplitude and mixed-mode oscillations occur. A detailed mechanism of the BSFA system is developed and investigated.

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