Abstract

The radiolysis of succinic acid in aqueous solutions induced by gamma irradiation from a Co 60 source has been studied with respect to the identification and estimation of degradation products. Specifically labeled succinic acid-C 14 and malic acid-C 14 were utilized for product identification and elucidation of reaction mechanisms. The irradiation experiments were performed under both oxygenated and oxygen-free environments. The principal means of identification of the radiolytic products were by paper chromatography and autoradiography, utilizing the technique of cochromatography. The estimation of each radiolytic product was determined by radiochemical assay using liquid scintillation counting techniques. The finding that malonic acid is a major product of radiolysis of succinic acid is of considerable interest. A reaction mechanism has been proposed for the radiolytic conversion of succinic acid to malonic acid via the intermediary formation of malate and oxaloacetate.

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