University of Khartoum

A Kinetic Study of the Oxidation of some Amino acids by Peroxydisulphate

A Kinetic Study of the Oxidation of some Amino acids by Peroxydisulphate

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Title: A Kinetic Study of the Oxidation of some Amino acids by Peroxydisulphate
Author: Intisar Salih Ahmed, Elzein
Abstract: The present work deals with the study of redox reactions of some amino-acids (Leucine, Aspartic and Arganine) with peroxydisulphate. The kinetic study of the above reactions showed that these reactions followed first order with respect to peroxydisulphate and silver ion as catalyst and zero order with respect to the amino-acids. For these reactions, the activation energies and other thermodynamic parameters, namely entropy (ΔS≠) and free energy of activation (ΔG≠) were evaluated. The analysis of the reaction products by the (IR) revealed the presence of 2- butanone in the case of Leucine, propanone in the case of Aspartic and 2-3 butanone in the case of Arganine. Plausible Mechanisms were proposed for there are reactions in accordance with the experimentally observed rate law and the products formed.
Description: 132page
URI: http://khartoumspace.uofk.edu/handle/123456789/11944
Date: 2015-06-14


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