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Behavior of Na and K in the extraction process of lithium isotope separation

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Abstract

The extraction behavior of Na and K during lithium isotope separation using benzo-15-crown-5 (B15C5) in chloroform as the extractant was investigated. It was found that potassium was extracted better than sodium and lithium, the metal: B15C5 ratio in the extracted compound was 1: 1 for all metals. It was shown that in the extraction systems with a LiCl concentration higher than 5 mol L-1, B15C5 was noticeably transferred into aqueous solutions, while concentrated LiCl solutions had a salting-out effect with respect to Na and K.

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Authors and Affiliations

  1. A. N. Frumkin Institute of Physical Chemistry and Electrochemistry, Russian Academy of Sciences, Build. 4, 31 Leninsky prosp., 119071, Moscow, Russian Federation

    G. V. Kostikova, I. E. Maltseva, O. G. Krasnova, N. A. Shokurova & V. I. Zhilov

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  1. G. V. Kostikova
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  2. I. E. Maltseva
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  3. O. G. Krasnova
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  4. N. A. Shokurova
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  5. V. I. Zhilov
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Correspondence to G. V. Kostikova.

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Published in Russian in Izvestiya Akademii Nauk. Seriya Khimicheskaya, No. 12, pp. 2188–2190, December, 2018

Based on the materials of the VII International Conference on Physical Chemistry of Crown Compounds, Porphyrins and Phthalocyanines (September 9–14, 2018, Tuapse, Russia).

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Kostikova, G.V., Maltseva, I.E., Krasnova, O.G. et al. Behavior of Na and K in the extraction process of lithium isotope separation. Russ Chem Bull 67, 2188–2190 (2018). https://doi.org/10.1007/s11172-018-2353-7

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  • DOI: https://doi.org/10.1007/s11172-018-2353-7

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