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Extraction of Am(III) and Lanthanides from Nitric Acid Solutions with Polyfunctional Organophosphorus Acids

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Abstract

Extraction of microamounts of Am, La, Ce, Pr, Nd, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb, and Lu nitrates from aqueous HNO3 with solutions of (diphenylphosphinylmethyl)phenylphosphinic, (di-p-tolylphosphinylmethyl)phenylphosphinic, (di-p-anisylphosphinylmethyl)phenylphosphinic, and (dioctylphosphinylmethyl)phenylphosphinic acids and of butyl hydrogen (diphenylphosphinylmethyl)phosphonate in toluene was studied. The metal : extractant ratio in the extractable species was determined.

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Authors and Affiliations

  1. Institute of Solid-State Physics, Russian Academy of Sciences, Chernogolovka, Moscow oblast, Russia

    A. N. Turanov

  2. Institute of Technological Problems of Microelectronics and Ultrapure Materials, Russian Academy of Sciences, Chernogolovka, Moscow oblast, Russia

    V. K. Karandashev

  3. Institute of Physiologically Active Substances, Russian Academy of Sciences, Chernogolovka, Moscow oblast, Russia

    A. N. Yarkevich & Z. V. Safronova

Authors
  1. A. N. Turanov
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  2. V. K. Karandashev
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  3. A. N. Yarkevich
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  4. Z. V. Safronova
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Turanov, A.N., Karandashev, V.K., Yarkevich, A.N. et al. Extraction of Am(III) and Lanthanides from Nitric Acid Solutions with Polyfunctional Organophosphorus Acids. Radiochemistry 45, 568–572 (2003). https://doi.org/10.1023/B:RACH.0000015753.31087.ef

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  • DOI: https://doi.org/10.1023/B:RACH.0000015753.31087.ef

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