Abstract
The solvent extraction of uranium by solutions of the new extractant 2- n-bytyl-2-ethyl octanohydroxamic acid (HX) in different solvents has been investigated as a function of pH, ligand and uranium concentrations. The results indicate that a 1 : 2 complex, UO 2X 2, is formed in solution, which has been confirmed by analysis of the isolated complex. Values of K ext were 2.0, 6.6 × 10 −3 and 1.3 × 10 −3 in hexane, xylene and chloroform, respectively. Extraction behaviour of HX towards Zr, Ce, Ru, Sr and Cs has also been studied as a function of pH and the results are discussed.
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