Anchoring the hydroxyaspartic acid onto poly(glycidyl methacrylate‐co‐ethylene dimethacrylate) (poly(GMA‐co‐EDMA)) beads or epoxysuccinic acid onto ammonium‐modified poly(GMA‐co‐EDMA) beads resulted in a novel chelating resin, which contained up to 0.37 mmol of the ligand per gram of resin. Batch extraction experiments showed a very high selectivity for Cu2+ over Zn2+ and Cd2+ ions in buffered solutions under competitive conditions.
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Horák et al. (2001) studied this question.
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