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Temperature influence on the malonic acid decomposition in the Belousov-Zhabotinsky reaction

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2009
Authors
Blagojević, Slavica
Anić, Slobodan
Čupić, Željko
Pejić, Nataša
Kolar-Anić, Ljiljana
Article (Published version)
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Abstract
The kinetic investigations of the malonic acid decomposition (8.00 x 10(-3) mol dm(-3) a parts per thousand currency sign [CH(2)(COOH)(2)](0) a parts per thousand currency sign 4.30 x 10(-2) mol dm(-3)) in the Belousov-Zhabotinsky (BZ) system in the presence of bromate, bromide, sulfuric acid and cerium sulfate, were performed in the isothermal closed well stirred reactor at different temperatures (25.0A degrees C a parts per thousand currency sign T a parts per thousand currency sign 45.0A degrees C). The formal kinetics of the overall BZ reaction, and particularly kinetics in characteristic periods of BZ reaction, based on the analyses of the bromide oscillograms, was accomplished. The evolution as well as the rate constants and the apparent activation energies of the reactions, which exist in the preoscillatory and oscillatory periods, are also successfully calculated by numerical simulations. Simulations are based on the model including the Br(2)O species.
Source:
SAR and QSAR in Environmental Research, 2009, 83, 9, 1496-1501
Publisher:
  • Maik Nauka/Interperiodica/Springer, New York
Projects:
  • Sinteza, karakterizacija i testiranje katalitičkih svojstava specijalno dizajniranih materijala (RS-142019)
  • Fizička hemija dinamičkih stanja i struktura neravnotežnih sistema - od monotone do oscilatorne evolucije i haosa (RS-142025)

DOI: 10.1134/S0036024409090143

ISSN: 0036-0244

WoS: 000269314100014

Scopus: 2-s2.0-69249205720
[ Google Scholar ]
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6
URI
http://farfar.pharmacy.bg.ac.rs/handle/123456789/1254
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  • Radovi istraživača / Researchers’ publications
Institution
Pharmacy

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