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Kinetics and mechanism of the oxidation of L-α-amino-n-butyric acid by permanganate in acid medium

✍ Scribed by A. Arrizabalaga; F. J. Andrés-Ordax; M. Y. Fernández-Aránguiz; R. Peche

Publisher
John Wiley and Sons
Year
1996
Tongue
English
Weight
383 KB
Volume
28
Category
Article
ISSN
0538-8066

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✦ Synopsis

The kinetic study of the oxidation of L-a-amino-n-butyric acid by permanganate ions has been carried out in buffered acid medium at pH = 1-3. using a spectrophotometric techriique An auto-catalytic effect has been observed in all cases due to Mn2+ ions formed as a product of the reaction. A first-order reaction with respect to the amino acid and the permanganate ions in both processes, catalyzed and uncatalyzed was obtained. The influence of several factors (pH. temperature, ionic strength, and reactants concentration) on the rate constants has also been investigated. In this article we propose a reaction mechanism in accordance with the experimental results obtained.

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