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Radiochimica Acta

International Journal for chemical aspects of nuclear science and technology

Editor-in-Chief: Qaim, Syed M.

IMPACT FACTOR 2018: 1.339

CiteScore 2018: 1.20

SCImago Journal Rank (SJR) 2018: 0.333
Source Normalized Impact per Paper (SNIP) 2018: 0.720

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Volume 99, Issue 1


Optimising BTP ligands by tuning their basicity

S. Trumm / G. Wipff / Andreas Geist / Petra J. Panak / Thomas Fanghänel
Published Online: 2010-12-16 | DOI: https://doi.org/10.1524/ract.2011.1794


A novel approach for the optimisation of extractants for the actinide(III)/lanthanide(III) separation is presented. Two BTP ligands are synthesised carrying OMe or Cl moieties on the pyridine ring, thus altering the electronic structure of the aromatic system. The influence of functionalisation on the ligand basicity is determined both spectroscopically and by quantum chemical calculations. Furthermore, we show that both distribution ratios and separation factors for Am(III)/Eu(III) separation increase upon increase of ligand basicity.

Keywords: SANEX process; Substituted BTP; Americium(III); Europium(III); Separation

About the article

* Correspondence address: Karlsruher Institut für Technologie, Institut für Nukleare Entsorgung, PO Box 3640, 76021 Karlsruhe, Deutschland,

Published Online: 2010-12-16

Published in Print: 2011-01-01

Citation Information: Radiochimica Acta International journal for chemical aspects of nuclear science and technology, Volume 99, Issue 1, Pages 13–16, ISSN (Print) 0033-8230, DOI: https://doi.org/10.1524/ract.2011.1794.

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