Summary
A procedure for the radiochemical separation and radiochemical purification of radiocesium (134Cs and 137Cs) in bulk environmental water samples is proposed. Radiocesium was removed from the water by cation-exchange with copper ferro(II)cyanide and was purified by precipitation with sodium tetraphenylborate. The influence of the concentration of potassium in the water sample on the chemical yield was investigated. The validation of the proposed method was carried out by analyzing reference materials. The application of the method was demonstrated with the determination of the concentration of radiocesium in water samples from rivers around NPP “Kozloduy”, Bulgaria, Danube and Ogosta.
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Popov, L., Kuleff, I. & Djingova, R. Determination of radiocesium in environmental water samples using copper ferro(II)cyanide and sodium tetraphenylborate. J Radioanal Nucl Chem 269, 203–207 (2006). https://doi.org/10.1007/s10967-006-0251-1
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DOI: https://doi.org/10.1007/s10967-006-0251-1