Electron paramagnetic resonance of free radical intermediates in the radiation of frozen silver nitrate and silver sulphate solutions

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Abstract
E.p.r. evidence is obtained for reduced silver ions, Ag° and Ag+ 2, and oxidized silver ions, Ag2+, in γ-irradiated frozen solution. The reducing species is attributed to mobile electrons which are chemically trapped by the solute, and the oxidizing species to the hydroxyl radical and the SO– 4 radical.