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The important effect of ligand architecture on the selectivity of metal ion recognition in An (III)/Ln(III) separation with N-donor extractants.

Abstract : The existence of a strong correlation between the ligand architecture and the metal ion binding selectivity is demonstrated through the large differences in the separation efficiencies found in the selective extraction of Am$^{3+}$ from an acidic mixture of Am$^{3+}$ and Eu$^{3+}$ for three new tetrapodal hexadentate ligands containing four 2-pyrazinyl-methyl groups attached to three different diamino spacers.
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Lydia Karmazin, Marinella Mazzanti, Christelle Gateau, Clément Hill, Jacques Pécaut. The important effect of ligand architecture on the selectivity of metal ion recognition in An (III)/Ln(III) separation with N-donor extractants.. Chemical Communications, Royal Society of Chemistry, 2002, 23, pp.2892-2893. ⟨10.1039/B209840G⟩. ⟨cea-02360128⟩

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