期刊
RADIATION PHYSICS AND CHEMISTRY
卷 67, 期 3-4, 页码 387-390出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/S0969-806X(03)00072-0
关键词
uranium ion; amidoxime group; radiation-induced polymerization; chelate-type resin; adsorption
In order to recover uranium ions from seawater, chelate-type resins with amidoxime and amidoxime/carboxylic acid groups were prepared by radiation-induced polymerization of acrylonitrile (AN) and AN/acrylic acid and by subsequent amidoximation of cyano group of poly(AN), respectively. The resins were characterized by FT-IR, FT Raman, solid-state C-13-NMR, SEM, and elemental analysis, respectively. The adsorption rate of uranium ion by resins with the amidoxime/carboxylic acid group were higher than that of resins with the amidoxime group. The adsorption of uranium ions in artificial seawater to chelate-type resins was also examined. (C) 2003 Elsevier Science Ltd. All rights reserved.
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