A Calorimetric Calibration of Gamma-Ray Actinometers
- 1 May 1953
- journal article
- research article
- Published by AIP Publishing in The Journal of Chemical Physics
- Vol. 21 (5), 880-885
- https://doi.org/10.1063/1.1699051
Abstract
The yield for gamma‐ray oxidation of ferrous sulfate in air saturated 0.4M sulfuric acid was found to be 15.6±0.3 ferrous ions oxidized per 100 electron volts absorbed. This value was based on calorimetric measurements of cobalt gamma‐ray energy absorption in water at intensities of 25 r/sec, 74 r/sec, and 225 r/sec. The yield for reduction of ceric sulfate in air saturated 0.4M sulfuric acid solution, determined by comparison with the ferrous sulfate yield was 2.52±0.05 ceric ions reduced per 100 ev absorbed. The effects of several variables on these yields were investigated.Keywords
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