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Extraction-chromatographic isolation of 90Y for medical purposes

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Abstract

A procedure is described for isolating 90Y from its equilibrium mixture with 90Sr. It is based on extraction-chromatographic separation of 90Sr and 90Y on columns packed with a solid extractant based on di-2-ethylhexyl hydrogen phosphate. Further purification of 90Y is made by its sorption on a column with an yttrium-specific sorbent based on octyl(phenyl)-N,N-diisobutylcarbamoylmethylphosphine oxide in TBP, and then on a cation-exchange resin. The whole process is performed in a nitric acid solution, which, in contrast to hydrochloric acid solutions, does not cause strong corrosion of stainless steel equipment, thus facilitating decontamination of the final product from inactive impurity cations.

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Correspondence to V. V. Shapovalov.

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Original Russian Text © V.V. Shapovalov, N.A. Mel’nichenko, N.A. Nerozin, S.V. Tkachev, N.R. Togaeva, S.V. Kham’yanov, 2012, published in Radiokhimiya, 2012, Vol. 54, No. 4, pp. 357–359.

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Shapovalov, V.V., Mel’nichenko, N.A., Nerozin, N.A. et al. Extraction-chromatographic isolation of 90Y for medical purposes. Radiochemistry 54, 388–390 (2012). https://doi.org/10.1134/S1066362212040133

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  • DOI: https://doi.org/10.1134/S1066362212040133

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