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Short Paper | Special issue | Vol 95, No. 1, 2017, pp. 575 - 586
Published online: 31st January, 2017
DOI: 10.3987/COM-16-S(S)26
Effective Separation of Am(III) from Cm(III) Using Modified BTPhen Ligands

Ashfaq Afsar, Alyn C. Edwards, Andreas Geist, Laurence M. Harwood,* Michael J. Hudson, James Westwood, and Roger C. Whitehead

*School of Chemistry, University of Reading, Whiteknights, Reading, Berkshire RG6 6AD, UK

Abstract

Electronic modulation of CyMe4-BTPhen with 5-bromo and 5-(4-hydroxyphenyl) substituents leads to enhanced separation of Am(III) from Cm(III) over 0.1 – 3 M HNO3 (SFAm/Cm = ca. 9 at 0.1 M HNO3). In addition, substituting bromine atoms at the 5 and 6 positions of the phenanthroline backbone provides a mean of separating Am(III) from Eu(III) (SFAm/Eu = ca. 240 at 3 M HNO3).

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