Ordered mesoporous anion-exchange hybrid resin materials were prepared by hydrolysis synthesis using the micellar template approach. The prepared samples were characterized via infrared spectroscopy, nitrogen sorption, and small-angle X-ray scattering. The uptakes of anionic thorium nitrate complexes by the new resins in 8 N nitric acid solutions were determined. The thorium loading capacity of the hybrid mesoporous silica functionalized with N -trimethoxysilylpropyl- N, N, N -tri- n -butylammonium is greater than that of the hybrid mesoporous silica functionalized with N -trimethoxylsilylpropyl- N, N, N -trimethylammonium. The mesoporous hybrid anion-exchange resins were shown to be much more selective than a popular organic commercial anion-exchange resin.
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Ju et al. (1999) studied this question.
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