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Zeitschrift für Physikalische Chemie

International journal of research in physical chemistry and chemical physics

Ed. by Rademann, Klaus

12 Issues per year


IMPACT FACTOR 2016: 1.012

CiteScore 2016: 0.99

SCImago Journal Rank (SJR) 2016: 0.463
Source Normalized Impact per Paper (SNIP) 2016: 0.470

Online
ISSN
2196-7156
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Volume 220, Issue 8 (Aug 2006)

Issues

Briggs–Rauscher Reaction with 1,4-Cyclohexanedione Substrate

Klára Keresztúri / István Szalai
Published Online: 2009-09-25 | DOI: https://doi.org/10.1524/zpch.2006.220.8.1071

A new organic substrate has been used to promote oscillations under batch conditions in the Briggs–Rauscher oscillating system. The new substrate, 1,4-cyclohexanedione (CHD), reacts with aqueous iodine via an enol mechanism. We discuss the effect of the initial concentrations, the temperature and chemical perturbations. In a definite range of concentrations long-lived oscillations with two significantly different frequency periods were observed. The low frequency parts are temperature-dependent while the high frequency oscillations do not show temperature dependence. The inhibitory effects of 1,4-hydroquinone and 1,4-benzoquinone on the oscillations and the kinetics of some important component reactions were studied to develop a model for the simulation of the observed oscillations.

Keywords: Nonlinear Dynamics; Oscillatory Reactions; Briggs-Rauscher Reaction; 1,4-Cyclohexanedione; Temperature Compensation

About the article

Received: 2006-02-22

Accepted: 2006-05-08

Published Online: 2009-09-25

Published in Print: 2006-08-01


Citation Information: Zeitschrift für Physikalische Chemie, ISSN (Online) 2196-7156, ISSN (Print) 0942-9352, DOI: https://doi.org/10.1524/zpch.2006.220.8.1071.

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