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Study on adsorption of Th(IV) using surface modified dibenzoylmethane molecular imprinted polymer

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Abstract

The adsorption of Th(IV) was studied using a novel dibenzoylmethane molecular imprinted polymers, which was prepared using acryloyl-β-cyclodextrin as a monomer on surface modified functional silica gel. X-ray photoelectron spectroscopy and FTIR were employed to confirm the reliability of the synthetic polymer. Scanning electron microscope was used to analyze the surface properties of the experimental materials. UV-spectrophotometer was employed to investigate the adsorption property and the concentration of Th(IV). Adsorption kinetics and adsorption isotherm were carried out. In pH 3.5, the adsorption equilibrium could reach a balance in 45 min, the resultant adsorbing capacity was 30.8 mg g−1, and the remove ratio of Th(IV) was 88.1 %.

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Acknowledgments

This study was supported by National Natural Science Foundation of China (No. 20707008), Natural Science Foundation of Hunan Province (No. 07JJ5004) and Technology Department Foundation of Hunan Province (No. 2011GK3191).

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Correspondence to X. Z. Ji.

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Ji, X.Z., Liu, H.J., Wang, L.L. et al. Study on adsorption of Th(IV) using surface modified dibenzoylmethane molecular imprinted polymer. J Radioanal Nucl Chem 295, 265–270 (2013). https://doi.org/10.1007/s10967-012-1979-4

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  • DOI: https://doi.org/10.1007/s10967-012-1979-4

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