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Moscow University Chemistry Bulletin Vol. 50, No. 3, P. 164 (2009)
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D. I. Djigailo, S. V. Smirnova, I. I. Torocheshnikova, A. G. Vendilo, K. I. Popov, I. V. Pletnev

Extraction of nitrates of alkali and alkaline earth metals with crown ether into hydrophilic ionic liquid in the presence of salting-out agent

Abstract

It was shown that the hydrophilic ionic liquid N-butyl-4-methylpyridinium tetrafluoroborate (BMPTF) is suitable for the extraction of metal ions with dicyclohexano-18-crown-6. Magnesium sulphate was used as salting-out agent, providing the formation of two immiscible phases in the system ionic liquid – water. The pH profiles of the extraction of alkali and alkaline earth metals have been determined; the influence of salting-out agent concentration on the recoveries has been investigated.
Moscow University Chemistry Bulletin.
2009, Vol. 50, No. 3, P. 164
   

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