Separation of chlorophenols on a cation-exchanger in Ce(III) form
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The separation of chlorophenols on Dowex 50 WX 8 200/400 mesh resin in the H+ form and in the M3+ form has been investigated using a mixture of aqueous sulphuric acid and organic modifiers (e.g. acetonitrile or isopropanol) as the eluent. It was shown that formation of Ce3+ complexes with chlorophenols is a more specific interaction than physical adsorption or phase partition. Full separation of the compounds examined was achieved by elution from a column with the resin in the Ce3+ form.
Key WordsCe(III) complexes Cation-exchanger in Ce(III) form Ion-exchange chromatography Chlorophenols
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