Russian Chemical Bulletin

, Volume 67, Issue 12, pp 2188–2190 | Cite as

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

  • G. V. KostikovaEmail author
  • I. E. Maltseva
  • O. G. Krasnova
  • N. A. Shokurova
  • V. I. Zhilov
Full Articles


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.

Key words

extraction lithium sodium potassium benzo-15-crown-5 


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Copyright information

© Springer Science+Business Media, LLC, part of Springer Nature 2018

Authors and Affiliations

  • G. V. Kostikova
    • 1
    Email author
  • I. E. Maltseva
    • 1
  • O. G. Krasnova
    • 1
  • N. A. Shokurova
    • 1
  • V. I. Zhilov
    • 1
  1. 1.A. N. Frumkin Institute of Physical Chemistry and ElectrochemistryRussian Academy of SciencesMoscowRussian Federation

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