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Öğe Selectivity and Kinetics of Ligand Exchange of Anions in A Chelate Ion Exchanger(GAUTHIER-VILLARS, 1997) Ersöz, M.; Cengeloğlu, Y.; Gökdemir, N.; Lale, M.Ligand selectivity plots and interdiffusion coefficients are presented for the chloride form of a ligand exchanger chemically derived from sporopollenin. Exchanges of iodide and bromide for chloride as the ligand were determined and found to increase with decreasing pH and ion hydration number, The ligand-exchange rates were measured as a function of pH just after rapid mixing of the ligand solution with the resin suspension at temperatures between 20 and 60 degrees C. The results are interpreted in terms of structure, the diffusivity of the ligands, the rate constant for chelate complex formation, and the hydrated radius of the ligands.
