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A Novel Method of Spectral Analysis of Oscillatory Belousov–Zhabotinsky Reaction

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Abstract

This paper is a preliminary study of time–frequency behavior of homogenous Belousov–Zhabotinsky reaction in a batch reactor. A series of measurements performed for a variable concentration of the reaction substrates led to the conclusion that there exists time-dependency of an instantaneous frequency of fundamental frequency and harmonics and of electrode potential fluctuations generated during the process discussed. The Short Time Fourier Transformation (STFT) was proposed for analyzing electrode potential registers. On the basis of STFT analysis a decrease in frequency of oscillations of exponential character has been postulated.

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Authors and Affiliations

  1. Department of Anticorrosion Technology, Gdansk University of Technology, 11/12 G. Narutowicza St., 80-952, Gdansk, Poland

    Kazimierz Darowicki, Waldemar Felisiak & Artur Zieliński

Authors
  1. Kazimierz Darowicki
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  2. Waldemar Felisiak
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  3. Artur Zieliński
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Darowicki, K., Felisiak, W. & Zieliński, A. A Novel Method of Spectral Analysis of Oscillatory Belousov–Zhabotinsky Reaction. Journal of Mathematical Chemistry 33, 245–254 (2003). https://doi.org/10.1023/A:1024794708776

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  • DOI: https://doi.org/10.1023/A:1024794708776

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