Bulletin of the Chemical Society of Japan
Online ISSN : 1348-0634
Print ISSN : 0009-2673
ISSN-L : 0009-2673
The Radiation-Induced Oxidation of Stannous Chloride in Aqueous Hydrochloric Acid
Ken’ichi SugimotoShigeru Oae
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1962 Volume 35 Issue 7 Pages 1159-1163


The radiation-induced oxidation of stannous to stannic ion in aqueous hydrochloric acid has been studied and that this system is proposed as a chemical dosimeter for higher doses.
The amount of oxidation is proportional to the energy absorbed and the yield of stannic ion is independent of dose rate and initial stannous chloride concentration over a wide range studied, but increases when stannic con-concentration is high or oxygen is present. Mechanism for this oxidation based on G-values is discussed in terms of the primary decomposition products of water radiolysis. The results can be interpreted to mean that the stannic ion is oxidized only by OH radical. This system could be used for a chemical dosimeter having 8% reproducibility.

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