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Abstract: Polymeric materials can be directly converted into molecular recognition materials by alternative molecular imprinting. To produce adsorbents that specifically adsorb cesium ions, a polymeric adsorbent was converted from polyacrylonitrile, adopting cesium chloride as a print molecule. The adsorption ability of the molecularly imprinted adsorbent was studied by surface plasmon resonance spectroscopy and atomic absorption analysis. The results revealed that Cs+-recognition sites were formed in the presence of CsCl during the adsorbent preparation process. The affinity constant between Cs+ and and Cs+-recognition sites ranged from 4.2 x 10^3 to 7.1 x 10^3 mol-1 dm3. The adsorbents obtained in the present study are expected to be useful for the specific adsorption of Cs+ from nuclear waste
Template and target information: caesium ion, Cs(I)