Europium isotope separation in the HCl/HDEHP extraction system |
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Authors: | W. Dembiński T. Mioduski |
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Affiliation: | (1) Institute of Nuclear Chemistry and Technology, 03-195 Warsaw, Poland |
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Abstract: | The153/151Eu isotope separation factor (q) for the Eu(II)/Eu(III) chemical exchange in the liquid-liquid extraction system, containing Eu (III) in di (2-ethylhexyl) phosphoric acid (HDEHP) and Eu(II) in water acidified with hydrochloric acid, was found to be 0.9993±0.0002 (2) for the single stage. Some theoretical aspects of separation of the Eu isotopes are discussed. The decisive role of the electron exchange reaction and complexation by the counter-ion in the aqueous phase is emphasized. |
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