Extraction of Am(III) and Rare-Earth Elements from Nitric Acid Solutions with Dibutyl Diphenylphosphinylmethylphosphonate |
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| Authors: | Turanov A. N. Karandashev V. K. Yarkevich A. N. Ushakova A. P. |
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| Affiliation: | (1) Russian Academy of Sciences, Institute of Solid-State Physics, Chernogolovka, Moscow oblast, Russia;(2) Russian Academy of Sciences, Institute of Technological Problems of Microelectronics and Ultrapure Materials, Chernogolovka, Moscow oblast, Russia;(3) Russian Academy of Sciences, Institute of Physiologically Active Substances, Chernogolovka, Moscow oblast, Russia |
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| Abstract: | Extraction of HNO3 and trace amounts of Am, Y, La, Ce, Pr, Nd, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb, and Lu nitrates from aqueous HNO3 with solutions of dibutyl diphenylphosphinylmethylphosphonate in dichloroethane was studied. The stoichiometry of the extractable solvates was determined, and the apparent extraction constants were calculated. |
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