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Titolo:
Influence of external electric fields on reaction fronts in the iodate-arsenous acid system
Autore:
Forstova, L; Sevcikova, H; Marek, M; Merkin, JH;
Indirizzi:
Prague Inst Chem Technol, Ctr Nonlinear Dynam & Biol Syst, CR-16628 Prague6, Czech Republic Prague Inst Chem Technol Prague Czech Republic 6 Prague6, Czech Republic Prague Inst Chem Technol, Dept Chem Engn, CR-16628 Prague, Czech Republic Prague Inst Chem Technol Prague Czech Republic CR-16628 , Czech Republic Univ Leeds, Dept Appl Math, Leeds LS2 9JT, W Yorkshire, England Univ Leeds Leeds W Yorkshire England LS2 9JT S2 9JT, W Yorkshire, England
Titolo Testata:
JOURNAL OF PHYSICAL CHEMISTRY A
fascicolo: 40, volume: 104, anno: 2000,
pagine: 9136 - 9143
SICI:
1089-5639(20001012)104:40<9136:IOEEFO>2.0.ZU;2-A
Fonte:
ISI
Lingua:
ENG
Soggetto:
AUTOCATALYTIC CHEMICAL-SYSTEM; BELOUSOV-ZHABOTINSKY REACTION; TRAVELING WAVES; SPIRAL WAVES; EXCITABLE MEDIUM; IONIC-STRENGTH; ANNIHILATION; DRIFT; OXIDATION; DYNAMICS;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Physical, Chemical & Earth Sciences
Citazioni:
30
Recensione:
Indirizzi per estratti:
Indirizzo: Sevcikova, H Prague Inst Chem Technol, Ctr Nonlinear Dynam & Biol Syst, Technicka 5, CR-16628 Prague 6, Czech Republic Prague Inst Chem Technol Technicka 5 Prague Czech Republic 6
Citazione:
L. Forstova et al., "Influence of external electric fields on reaction fronts in the iodate-arsenous acid system", J PHYS CH A, 104(40), 2000, pp. 9136-9143

Abstract

The propagation of arsenous acid-iodate reaction fronts of different net stoichiometries in externally applied de electric fields is studied for a range of both electric field intensities and initial compositions of the reacting mixture (represented by the stoichiometric factor S-0). Regions of three different types of net stoichiometry in the parametric space E/V vs S-0,where E is the intensity of the applied electric field and V the reaction front propagation Velocity, are determined both experimentally and by analyzing a reaction-diffusion-migration model that includes a realistic kineticscheme of the reaction studied. Both agreement with and discrepancies between the theoretical predictions and experimental findings are discussed.

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Documento generato il 16/07/20 alle ore 20:02:08