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Citation: Gao Qing-Yu, Lin Juan-Jun, Ma Ke-Qin, Zang Ya-Ru, Cai Zun-Sheng, Zhao Xue-Zhuang. Study of the H₂O₂-KSCN-CuSO₄ Nonlinear Chemical System in a CSTR[J]. Acta Physico-Chimica Sinica, ;1995, 11(06): 488-491. doi: 10.3866/PKU.WHXB19950603 shu

Study of the H₂O₂-KSCN-CuSO₄ Nonlinear Chemical System in a CSTR

1.
Chemistry department,Nankai University,Tianjin 300071

Received Date: 3 March 1995
Available Online: 15 June 1995

Complex periodic oscillations which are associated with Farey sequences and sustained aperiodic oscillations (maybe chemical chaos) have been first observed in Hydrogen Peroxide-Potassium Thiocyanate-Cupric Sulfate System in a CSTR. When pH is high (generally at pH>9), oscillations in pH and Pt potential in solution are synchronous, and pH increases as Pt potential in solution increases; when pH is low (gernerally pH<9),oscillations in pH and Pt potential are antiphase. Birthymicity of two oscillations appears at a same condition. A sample explanation is discussed.
- Nonlinear chemical reaction,
- CSTR,
- Complex oscillations,
- Birhythmicity
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Study of the H₂O₂-KSCN-CuSO₄ Nonlinear Chemical System in a CSTR