Analytical Sciences
Online ISSN : 1348-2246
Print ISSN : 0910-6340
ISSN-L : 0910-6340
Original Papers
The Effect of Hydrogen Peroxide on a Chemical Oscillating Reaction
Nanqin GANRuxiu CAIZhixin LIN
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2000 Volume 16 Issue 12 Pages 1327-1330

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Abstract

This paper studies the perturbation of hydrogen peroxide in an oscillating chemical system involving the Mn(II)-catalyzed reaction between diacetone and potassium bromate in an acidic medium in a closed system (beaker) and an open system (continuous-flow-stirred tank reactor (CSTR)). The best reaction conditions and reactant concentrations are reported. The presence of H2O2 inhibits the oscillation and results in a longer oscillating periods. Potential and cyclic voltammetry were used to track the change of the reaction intermediates. The possible mechanism of the effect of hydrogen peroxide is discussed.

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© 2000 by The Japan Society for Analytical Chemistry
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