Abstract
Radiation decomposition of solid succinic acid by gamma radiation was examined. Carbon dioxide, succinic semialdehyde, propionic acid and water are formed as the major decomposition products. The formation of a polymer, hydroxyacids, CO and H 2 was also proved. The investigation of optical absorption spectra of irradiated monocrystals of succinic acid showed the presence of two radicals; one of them with an absorption maximum at 320 nm can be assigned to an acyl radical, and the other with an absorption maximum at 305 nm to a stable HOOC CH 2ĊH COOH radical. On the basis of our results and the results of E.S.R. studies the possible reactions of primary species are discussed and a mechanism of the radiolysis of succinic acid is suggested.
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