The role of induced secondary radiation in in situ sorption studies using β-, γ-emitting radionuclides
1993
This article is focused on the effect of γ-induced radiation in in situ sorption measurements of60Co (emitting β-and γ-radiation). The results presented show that the intensity of solution background is primarily due to the γ-induced radiation (possibly caused by photoeffect and Compton-scattering) and does not change during cobalt accumulation. Experiments were carried out with a pure β-emitting isotope (99Tc) in order to elaborate a method for the separation of the intensities originating from β-and γ-induced radiations. Various methods of evaluation of sorption measurements are discussed. The extension of the method to application of different radioactive nuclides is considered.
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