Extraction of nitrates of alkali and alkaline earth metals with crown ether into hydrophilic ionic liquid in the presence of salting out agentстатья
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Дата последнего поиска статьи во внешних источниках: 4 сентября 2018 г.
Аннотация:We show that the hydrophilic liquid N-butyl-4-methylpyridinium tetrafluoroborate is suitable for the extraction of metal ions with dicyclohexyl-18-crown-6. We used magnesium sulfate as salting-out agent, resulting in the formation of two immiscible phases in the ionic liquid-water system. The pH profiles of the extraction of alkali and alkaline earth metals have been determined; the influence of the concentration of the salting-out agent on recovery has been investigated.