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Abstract
A new method of metal concentration by reversed micelles is described. It differs from traditional solvent extraction concentration in the procedure of metal stripping from an organic phase. Reversed micelles are broken by heating or by adding a polar organic diluent. A concentrated metal solution is produced at surfactant disaggregation: there is no need to use a water-stripping solution. Coefficients of concentration for Fe(III), Pt(IV), and Pd(II) chloride complexes as high as 150 to 1800 have been seen when nonionic oxyethylated surfactants are used.
