X- and γ Irradiation of Ferrous Sulfate in Dilute Aqueous Solution

Abstract

The yield for the x- and γ-ray induced oxidation of ferrous ions in acid aqueous solution has been determined for x- and γ rays of effective mean energies from 21 kev to 7.6 Mev. For 60 kvp x-rays of effective mean energy, Ē, 21 kev, G=13.1±0.5 ferric ions produced per 100 ev absorbed; for 100 kvp x-rays (Ē=33 kev) G=14.7±0.5; for 220 kvp x-rays (Ē=56 kev), G=15.0±0.5; for Co60 γ rays (Ē=1.25 Mev), G=15.5±0.5; and for 30 Mev x-rays (Ē=7.6 Mev), G=16.3±0.6. In each case the energy absorbed in the solution was estimated by means of an ionization chamber.