Abstract
Chelating resins containing a macrocyclic ligand, 1,4,8, 11-tetraazacyclotetradecane-5,7-dione, were prepared by ligand reactions with two different crosslinked copolymer beads of the macroreticular type: chloromethylated styrene-divinylbenzene (RCS) and glycidyl methacrylate-divinylbenzene (RG) copolymers. Although both resins have nearly equal amounts of the fixed ligand, the RG-based resin (RGD) shows a much higher uptake of Cu(II) than does the RCS-based resin (RCSD). This indicates that the complexing ability of the fixed ligand is strongly influenced by copolymer matrices. A further detailed study of RGD revealed that the characteristics of RGD include high selectivity toward Cu(II) and a rapid elution rate of Cu(II) with an aqueous solution of strong acid. The usefulness of RGD in the separation of Cu(II) has been demonstrated by means of column operation.
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Jyo, A., Hiwatashi, I., Weber, R. et al. Chelating Resins Containing 1,4,8,11-Tetraazacyclotetradecane-5,7-dione Based on Crosslinked Copolymer Beads of the Macroreticular Type. ANAL. SCI. 8, 195–200 (1992). https://doi.org/10.2116/analsci.8.195
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DOI: https://doi.org/10.2116/analsci.8.195