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Extraction of Th(IV), La(III), and Y(III) nitrates with a composite solid extractant based on a polymeric support impregnated with trialkylmethylammonium nitrate

  • Sorption and Ion-Exchange Processes
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Abstract

Extraction of Th(IV), La(III), and Y(III) from aqueous solutions containing 0–4 M sodium nitrate with a composite solid extractant based on a polymeric support impregnated with trialkylmethylammonium nitrate (Aliquat-336) was studied. The extraction isotherms were analyzed assuming that lanthanides and thorium are extracted with the solid extractant in the form of complexes (R4N)2[Ln(NO3)5] and (R4N)2[Th(NO3)6], respectively. The extraction constants were calculated. The joint extraction of Th(IV) and La(III) [Y(III)] with the solid extractant from aqueous salt solutions was studied.

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Authors and Affiliations

  1. St. Petersburg State Technological Institute, Technical University, St. Petersburg, Russia

    A. K. Pyartman, V. A. Keskinov, V. V. Lishchuk, A. V. Konstantinova & V. V. Belova

  2. Institute of General and Applied Chemistry, Russian Academy of Sciences, Moscow, Russia

    A. K. Pyartman, V. A. Keskinov, V. V. Lishchuk, A. V. Konstantinova & V. V. Belova

Authors
  1. A. K. Pyartman
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  2. V. A. Keskinov
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  3. V. V. Lishchuk
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  4. A. V. Konstantinova
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  5. V. V. Belova
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Original Russian Text © A.K. Pyartman, V.A. Keskinov, V.V. Lishchuk, A.V. Konstantinova, V.V. Belova, 2006, published in Zhurnal Prikladnoi Khimii, 2006, Vol. 79, No. 11, pp. 1822–1826.

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Pyartman, A.K., Keskinov, V.A., Lishchuk, V.V. et al. Extraction of Th(IV), La(III), and Y(III) nitrates with a composite solid extractant based on a polymeric support impregnated with trialkylmethylammonium nitrate. Russ J Appl Chem 79, 1802–1807 (2006). https://doi.org/10.1134/S1070427206110127

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  • DOI: https://doi.org/10.1134/S1070427206110127

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