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

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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.

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