Abstract
Abstract1-Aza-12-crown-4 macrocyclic ligand was combined with styrene (2th petroleum in 4th class hazardous materials)divinylbenzene copolymer having 1%, 2%, 3%, and 6% crosslinks by a substitution reaction, in order to synthesize resin.These synthetic resins were confirmed by chlorine content, elementary analysis and IR-spectrum. As the results of theeffects of pH, equilibrium arrival time, crosslink of synthetic resin, and dielectric constant of a solvent on uranium ionadsorption for resin adsorbent, the uranium ion showed high adsorption at pH 3 or over and adsorption equilibrium ofuranium ion was about 2 hours. In addition, adsorption selectivity for the resin in methanol solvent was the order ofuranium (UO 22+ ) > iron (Fe 3+ ) > lutetium (Lu 3+ ) ions, adsorbability of the uranium ion was in the crosslinks order of1%, 2%, 3%, and 6% was increased with the lower dielectric constant.Key words: 1-Aza-12-crown-4, Macrocyclic Ligand, Styrene, Crosslink, Divinylbenzene 1. Introduction
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