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Chemical separation of Li from Na+ and K+ ions using ion exchange resin (AG 50W-X8)

H.Karami, M.Sadeghi, S.Nemati, B.Zeinali

An ion-exchange method has been developed for separation of Li from alkali elements (Na and K).Acolumn ofAG 50W-X8 cation-exchange resin was found appropriate to separate lithium from the solution. In 0.1 M HCl solution sodium and potassium ions were completely stripped and lithium ions was passed from the column without any adsorption. All determinations of ions were performed byAtomicAbsorption Spectroscopy. Separation and recovery efficiency was found was 99.24%.