SOLVENT EXTRACTION COMPOSITION COMPRISING SULPHONIC ACID WITH A 4-(ALPHA BRANCHED) ACYL-(3H)-PYRAZOL-3-ONES AND PROCESSES OF METAL EXTRACTION
摘要
<p>A solvent extraction composition comprising a sulphonic acid and a solvent extractant of formula (1): wherein R<1> is an aryl group optionally substituted with one or more groups selected from C1-12 alkyl or halo; R<2> is C1-12 alkyl group or a phenyl optionally substituted with one or more groups selected from C1-12 alkyl or halo; R<3> is an alpha branched alkyl group containing at least eight carbon atoms, and tautomers or salts thereof.</p>
