2011. - V. 25. - N 2(118). - P. 59-64
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Photodegradation of herbicide 2,4,5-trichlorophenoxyacetic acid (2,4,5-T) in aqueous solution was investigated by stationary and nanosecond laser (266 nm) flash photolysis techniques. It was shown that in the primary photochemical act photoionization with generation of hydrated electron – cation-radical pair is taking place. In deoxygenated solutions hydrated electron is captured by 2,4,5-Т. Cation-radical of 2,4,5-Т undergoes hydrolysis by water molecule with generation of long-lived phenoxyl radical.
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