Details
| Originalsprache | Englisch |
|---|---|
| Seiten (von - bis) | 255-259 |
| Seitenumfang | 5 |
| Fachzeitschrift | Journal of Physical Chemistry |
| Jahrgang | 86 |
| Ausgabenummer | 2 |
| Publikationsstatus | Veröffentlicht - 1982 |
| Extern publiziert | Ja |
Abstract
Stopped-flow experiments are reported on the OH -catalyzed chain decomposition of ozone in the pH range 11-13. O3-• has been identified as a product by its 430-nm absorption band. Acetate and carbonate ions inhibit this reaction. In the carbonate-inhibited reaction, the radical anion CO3-• has been identified by its 600-nm absorption band. In this case an apparent second-order rate constant of 115 ± 40 dm3 mol-1 s-1 has been obtained. Evidence is provided to support the reaction OH- + O3 → HO2- + O2 as the primary step. On this basis, k(OH- + O3) equals 48 ± 12 dm3 mol-1 s-1. Some aspects of the overall reaction are discussed.
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in: Journal of Physical Chemistry, Jahrgang 86, Nr. 2, 1982, S. 255-259.
Publikation: Beitrag in Fachzeitschrift › Artikel › Forschung › Peer-Review
}
TY - JOUR
T1 - Mechanism of the hydroxide ion initiated decomposition of ozone in aqueous solution
AU - Forni, L.
AU - Bahnemann, D.
AU - Hart, Edwin J.
N1 - Copyright: Copyright 2017 Elsevier B.V., All rights reserved.
PY - 1982
Y1 - 1982
N2 - Stopped-flow experiments are reported on the OH -catalyzed chain decomposition of ozone in the pH range 11-13. O3-• has been identified as a product by its 430-nm absorption band. Acetate and carbonate ions inhibit this reaction. In the carbonate-inhibited reaction, the radical anion CO3-• has been identified by its 600-nm absorption band. In this case an apparent second-order rate constant of 115 ± 40 dm3 mol-1 s-1 has been obtained. Evidence is provided to support the reaction OH- + O3 → HO2- + O2 as the primary step. On this basis, k(OH- + O3) equals 48 ± 12 dm3 mol-1 s-1. Some aspects of the overall reaction are discussed.
AB - Stopped-flow experiments are reported on the OH -catalyzed chain decomposition of ozone in the pH range 11-13. O3-• has been identified as a product by its 430-nm absorption band. Acetate and carbonate ions inhibit this reaction. In the carbonate-inhibited reaction, the radical anion CO3-• has been identified by its 600-nm absorption band. In this case an apparent second-order rate constant of 115 ± 40 dm3 mol-1 s-1 has been obtained. Evidence is provided to support the reaction OH- + O3 → HO2- + O2 as the primary step. On this basis, k(OH- + O3) equals 48 ± 12 dm3 mol-1 s-1. Some aspects of the overall reaction are discussed.
UR - http://www.scopus.com/inward/record.url?scp=33845554162&partnerID=8YFLogxK
U2 - 10.1021/j100391a025
DO - 10.1021/j100391a025
M3 - Article
AN - SCOPUS:33845554162
VL - 86
SP - 255
EP - 259
JO - Journal of Physical Chemistry
JF - Journal of Physical Chemistry
SN - 0022-3654
IS - 2
ER -