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The Bray-Liebhafsky oscillatory reaction: Kinetic investigations in reduction and oxidation pathways based on hydrogen peroxide concentration monitoring
dc.creator | Ćirić, Jasna | |
dc.creator | Anić, Slobodan | |
dc.creator | Čupić, Željko | |
dc.creator | Kolar-Anić, Ljiljana | |
dc.date.accessioned | 2019-01-30T17:09:01Z | |
dc.date.available | 2019-01-30T17:09:01Z | |
dc.date.issued | 2000 | |
dc.identifier.issn | 0350-820X | |
dc.identifier.uri | https://cer.ihtm.bg.ac.rs/handle/123456789/12 | |
dc.description.abstract | By direct monitoring of the hydrogen concentration during its catalytic decomposition into water and oxygen in the presence of potassium iodate and sulfuric acid, that is in the Bray-Liebhafsky system, the pseudo-rate constants of overall reduction and oxidation pathways were determined The dependence of the obtained rate constants on acidity was evaluated. It was found that the pseudo-rate constant of the overall reduction process increases with increasing acidity, whereas the pseudo-rate constant of the overall oxidation process decreases with increasing acidity. The corresponding activation energies were also calculated using values of this constant at two temperatures. | en |
dc.description.abstract | Direktnim praćenjem koncentracije vodonik-peroksida u toku njegovog katalitičkog razlaganja na vodu i kiseonik u prisustvu kalijum-jodata i sumporne kiseline, odnosno u Bray-Lievhafsky sistemu, analizirane su konstante brzina celokupnog redukcionog i oksidacionog puta kao konstante brzina pseudo-prvog reda. izvedene su njihove zavisnosti od kiselosti. Nađeno je da pseudo-konstanta brzine celokupnog redukcionog procesa raste sa porastom kiselosti, dok pseudo-konstanta brzine celokupnog oksidacionog procesa opada sa porastom kiselosti. korišćenjem njihovih vrednosti na dve temperature izračunate su odgovarajuće energije aktivacija. | sr |
dc.publisher | International Institute for the Science of Sintering, Beograd | |
dc.rights | openAccess | |
dc.rights.uri | https://creativecommons.org/licenses/by/4.0/ | |
dc.source | Science of Sintering | |
dc.subject | chemical kinetics | en |
dc.subject | nonlinear dynamics | en |
dc.subject | Bray-Liebhafsky reaction | en |
dc.subject | rate constants | en |
dc.subject | activation energy | en |
dc.subject | hemijska kinetika | sr |
dc.subject | nelinearna dinamika | sr |
dc.subject | reakcija Bray-Liebhafsku | sr |
dc.subject | konstante brzine | sr |
dc.subject | energija aktivacije | sr |
dc.title | The Bray-Liebhafsky oscillatory reaction: Kinetic investigations in reduction and oxidation pathways based on hydrogen peroxide concentration monitoring | en |
dc.type | article | |
dc.rights.license | BY | |
dcterms.abstract | Чупић, Жељко; Колар-Aнић, Љиљана; Aнић, Слободан; Ћирић, Јасна; | |
dc.citation.volume | 32 | |
dc.citation.issue | 3 | |
dc.citation.spage | 187 | |
dc.citation.epage | 196 | |
dc.citation.other | 32(3): 187-196 | |
dc.identifier.rcub | https://hdl.handle.net/21.15107/rcub_cer_12 | |
dc.identifier.fulltext | https://cer.ihtm.bg.ac.rs/bitstream/id/14485/TheBray-LiebhafskyOscillatoryReaction.pdf | |
dc.type.version | publishedVersion |