| 摘要 |
<p>Process for the separation, by liquid-liquid extraction, of copper values from an acidic aqueous solution containing copper values, which process comprises contacting the acidic aqueous solution with an organic extractant comprising(a) a substantially water-immiscible organic solvent, (b) a hydroxy-oxime or a mixture of hydroxy-oximes capable of extracting copper values and (c) an .alpha.,.beta.-dioxime or a mixture of .alpha.,.beta.-dioximes.</p> |
