The extraction characteristics of some selected metals from an aqueous buffered solution by LIX51. a fluorinated commercial β-diketone extractant, have been investigated. The pH 1/2 (pH at which 50% of the metal ion is extracted) and the logKex values for the extracted metals by 5% (v/v) L1X51 in methylisobutylkctone(MIBK) have been obtained. The order of extraction of metals with LIX51 as a function of pH 1/2 value is: Cu(II) < Pd(II) < Co(II) < Zn(II) < Fe(H) < Ph(II) < Mn(II) < Cd(II) < Ni(II).
Volume 134, 2022
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