Journal of Applied Polymer Science, Vol.80, No.7, 913-916, 2001
A novel highly copper(II)-selective chelating ion exchanger based on poly(glycidyl methacrylate-co-ethylene dimethacrylate) beads modified with aspartic acid derivative
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.