| Autor: |
Ayoko, Godwin Adefikayo, Iyun, Johnson Femi, Ekubo, Allen T. |
| Zdroj: |
Transition Metal Chemistry; February 1993, Vol. 18 Issue: 1 p6-8, 3p |
| Abstrakt: |
The kinetics of the oxidation of glutathione by diaquatetrakis(2,2'-bipyridine)-µ-oxo diruthenium(III) ion in aqueous HClO4 have been investigated. The reaction obeys the empirical rate law:-2d[oxidant]/dt = k[oxidant][reductant]/[H+] where k = 7.42 ± 0.40 × 10-3 s-1 at 25.5 °C, [H+] = 0.005–0.05 M and I = 1.0 M (LiClO4). Free radicals are important in the reaction and a mechanism consistent with the experimental results has been postulated. |
| Databáze: |
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