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'Belousov Zhabotinsky Reaction' in keywords Facet   Publication Year 1990  [X]
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1990[X]
1Author    Szilvia Murányi, Horst-Dieter FörsterlingRequires cookie*
 Title    Chloride Induced Oscillations in the Classical Belousov-Zhabotinsky Reaction Explained by the "Radicalator"-Model  
 Abstract    We detected non-bromide controlled oscillations, which appear in a classical Belousov-Zhabotin-sky (BZ) system at a high malonic acid/bromate ratio in the presence of added chloride. The oscillations start immediately after the addition of the catalyst. To explain the oscillations we assume control by a synergetic process involving both chloride ions and malonyl radicals. The experiments are well in accordance with calculations based on the "Radicalator" model. This model is also capable of explaining the rate of formation of C0 2 in the BZ system. 
  Reference    Z. Naturforsch. 45a, 135—144 (1990); received October 24 1989 
  Published    1990 
  Keywords    Belousov-Zhabotinsky reaction, Bromous acid, Chloride, Autocatalysis 
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 TEI-XML for    default:Reihe_A/45/ZNA-1990-45a-0135.pdf 
 Identifier    ZNA-1990-45a-0135 
 Volume    45 
2Author    Horst-Dieter Försterling, Szilvia MurányiRequires cookie*
 Title    Contribution of Malonyl Radical Control in the Classical Belousov-Zhabotinsky Reaction  
 Abstract    In the original theory of the Belousov-Zhabotinsky reaction it is assumed that the oscillations are exclusively controlled by bromide ions. From uv/vls and ESR experiments on BZ systems started with Ce 4+ we conclude that malonyl radicals play an important role as additional intermediates. The experiments are in agreement with calculations based on the Radicalator model. 
  Reference    Z. Naturforsch. 45a, 1259—1266 (1990); received July 15 1990 
  Published    1990 
  Keywords    Belousov-Zhabotinsky reaction, Cerium, Malonic acid, Bromate, Bromide, Feedback, Malonyl radicals 
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 TEI-XML for    default:Reihe_A/45/ZNA-1990-45a-1259.pdf 
 Identifier    ZNA-1990-45a-1259 
 Volume    45