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Citation:
LIU Hai-Miao, XIONG Xiao-Gen, ZHAO Chang-Chun, ZHENG Ju-Hua, GAO Qing-Yu. Complex Oscillations in the Oxidation of Sulfide by Hydrogen Peroxide[J]. Acta Physico-Chimica Sinica,
;2008, 24(10): 1897-1901.
doi:
10.3866/PKU.WHXB20081027
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Nonlinear dynamics of the hydrogen peroxide-sulfide reaction was investigated in a continuous flow stirred tank reactor (CSTR), in which various complex oscillations including 11 type, 12 type, mixed-mode and damped oscillations were observed. Perturbation experiments showed that the delay effect of hydrogen ions depended on the oscillatory phase at which the perturbation was applied. Numerical simulations were carried out with a model which was developed thoroughly based on changing oxidation states of sulfur. The calculation qualitatively reproduced the various complex oscillations seen in experiments, suggesting that complex dynamical behaviors could be driven by sulfur (-II) oxidation.
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