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| - Rate Coefficient Measurements of Hydrated Electrons and Hydroxyl Radicals withChlorinated Ethanes in Aqueous Solutions
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| - Rate coefficients for the reactions of hydrated electrons and hydroxyl radicals with various chloroethaneswere determined in aqueous solutions using pulse radiolysis techniques. The rate coefficients for the hydratedelectron increase from 0.17 × 109 to 16.3 × 109 M-1 s-1 with increasing number of chlorine atoms frommonochloroethane to hexachloroethane. Very little difference in rates is found between the isomers. Ratecoefficients for the OH radicals range from 1 to 5 x 108 M-1s-1 and have very little variation with the numberof chlorine atoms except when no H atom is available on a carbon atom. The use of competition kineticswith low concentrations of SCN- as a reference is reviewed and suitable model simulations proposed. Possibleexplanations for the discrepancies between the previously published rate coefficients and the present valuesare offered.
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