Abstract
A method is described for determining Sr90 in samples of soils, terrains, muds, and ashes of biological origin, based on extracting the equilibrium Y90 with tributyl phosphate. The proposed method is not inferior to the standard method in accuracy, and is at the same time more expressive and convenient for mass Sr90 determinations in different samples. The method permits determining Ce144 at the same time, and in the same samples, without large additional expenditures of time and reagents.
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Translated from Atomnaya Énergiya, Vol. 14, No. 3, pp. 285–289, March, 1963
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Rovinskii, F.Y., Ispravnikova, V.V. Determination of Sr90 and Ce144 in samples by extraction. At Energy 14, 280–284 (1964). https://doi.org/10.1007/BF01118481
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DOI: https://doi.org/10.1007/BF01118481