Abstract
Shape of the absorption spectrum of e - s in NaOH/H 2O solutions in the range of NAOH concentration from 0,3 t0 16 mol dm -3 at 333 K was investigated by the pulse radiolysis method. Together with the well known absorption band of e - aq a new one was observed at the high-energy tail of the former spectrum. Its intensity was found to be dependent on alkali concentration. An approach is suggested to analysis of electron-cation interactions within formal-thermodynamic theory of electrolyte solutions. The ratio of extinction coefficients of the absorption band of unknown species and that of e - aq was determined ( ϵ +- 700 ϵ - 700 = 1,9). The equilibrium constant K eq = 1,2 at 333 K.
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