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Nature of Thermally Induced Ion-Radicals in γ-Irradiated Barium Dithionate

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Abstract

The physicochemical properties of γ-irradiated barium dithionate in the temperature range 40-80°C were investigated by EPR and IR spectroscopy methods. It has been revealed that on decomposition of the substance, thermally induced ion-radicals of two types are formed, which are interpreted as SO3 − (g ⊥ = 2.0049, g ∥ = 2.0034) and SO2 − (g 1 = 2.0107, g 2 = 2.0066, g 3 = 2.0034). The conditions of their formation and limits of their stability have been determined. The heterogeneous phase BaSO3/BaSO4 is considered as the stabilizing one. The upper limit of applicability of barium dithionate as a dosimeter is 40°C.

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Authors and Affiliations

  1. Institute of Physical Organic Chemistry, National Academy of Sciences of Belarus, 13 Surganov Str., Minsk, 220072, Belarus

    S. E. Bogushevich, I. I. Ugolev & A. K. Potapovich

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  1. S. E. Bogushevich
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  2. I. I. Ugolev
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  3. A. K. Potapovich
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Bogushevich, S.E., Ugolev, I.I. & Potapovich, A.K. Nature of Thermally Induced Ion-Radicals in γ-Irradiated Barium Dithionate. Journal of Applied Spectroscopy 68, 630–636 (2001). https://doi.org/10.1023/A:1012578223683

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