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Short Paper | Special issue | Vol 88, No. 1, 2014, pp.613-620
Published online, 13th June, 2013
DOI: 10.3987/COM-13-S(S)9
Immobilisation of Phenanthroline-Bis Triazine (C1-BTPhen) on Magnetic Nanoparticles for Co-Extraction of Americium(III) and Europium(III)

Ashfaq Afsar, Dominic L. Laventine, Laurence M. Harwood,* Michael J. Hudson, and Andreas Geist

*Department of Chemistry, University of Reading, Whiteknights, Reading RG6 6AD, U.K.

Abstract

The present work reports a convenient route for the immobilisation of a phenanthroline-bis triazine (C1-BTPhen) group on the surface of zirconia-coated maghemite (γ-Fe2O3) magnetic nanoparticles. The magnetic nanoparticles functionalized with C1-BTPhen were able to co-extract Am(III) and Eu(III) from nitric acid (HNO3). The extraction efficiency of these C1-BTPhen-functionalized magnetic nanoparticles for both Am(III) and Eu(III) was 20% at 4M HNO3. The interaction between C1-BTPhen and metal cations is reversible. These functionalized magnetic nanoparticles can be used for the co-extraction of traces of Am(III) and Eu(III).