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Magnetic nanoparticles with an imprinted polymer coating for the selective extraction of uranyl ions

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Abstract

We have synthesized ferromagnetic nanoparticles with an imprinted polymer coating that is capable of adsorbing and extracting uranyl ions. The adsorbent was characterized using infrared spectroscopy, elemental analysis, X-ray powder diffraction analysis, and scanning electron microscopy. The effects of sample pH, sample volume, weight of the adsorbent, contact time and of other ions have been investigated in the batch extraction mode. The performance of the material was compared to that of particles coated with a non-imprinted polymer. The adsorbent containing the imprinted coating displays higher sorption capacity and better selectivity to uranyl ions. The method was successfully applied to the determination of uranyl ions in water samples.

Magnetic separation of uranyl ions from aqueous solution using a new uranyl-imprinted material prepared by surface modification of silica coated magnetic nanoparticles

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Acknowledgments

The authors gratefully acknowledge the support of this work by the Birjand University Research Council.

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Authors and Affiliations

  1. Department of Chemistry, Faculty of Science, University of Birjand, P.O.Box: 97175/615, Birjand, Iran

    Susan Sadeghi & Elias Aboobakri

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  1. Susan Sadeghi
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  2. Elias Aboobakri
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Correspondence to Susan Sadeghi.

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Sadeghi, S., Aboobakri, E. Magnetic nanoparticles with an imprinted polymer coating for the selective extraction of uranyl ions. Microchim Acta 178, 89–97 (2012). https://doi.org/10.1007/s00604-012-0800-y

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  • DOI: https://doi.org/10.1007/s00604-012-0800-y

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