Investigation of a new “N2S2O2” chelating agent with high Po(IV) affinity

Ali Younes; Gilles Montavon; Sébastien G. Gouin; Emy André-Joyaux; Roxane Peumery; Thibaut Chalopin; Cyrille Alliot; Marcel Mokili; Julie Champion; David Deniaud

doi:10.1039/C7CC03198J

Investigation of a new “N₂S₂O₂” chelating agent with high Po(iv) affinity†

Ali Younes,^a Gilles Montavon,^a Sébastien G. Gouin,^b Emy André-Joyaux,^b Roxane Peumery,^b Thibaut Chalopin,^b Cyrille Alliot,^cd Marcel Mokili,^a Julie Champion*^a and David Deniaud

*^b

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* Corresponding authors

^a Laboratoire SUBATECH, UMR 6457, IMT Atlantique/CNRS/IN2P3/Université de Nantes, 4 rue A. Kastler, BP 20722, 44307 Nantes Cedex 3, France

^b CEISAM, UMR CNRS 6230, UFR des Sciences et des Techniques, 2 rue de la Houssinière, BP 92208, 44322 Nantes Cedex 3, France
E-mail: david.deniaud@univ-nantes.fr

^c GIP ARRONAX, 1 rue Arronax, BP 10112, 44817 Saint Herblain Cedex, France

^d INSERM 892, CNRS 6299, CRCNA, 8 quai Moncousu, BP 70721, 44007 Nantes Cedex, France

Abstract

A water-soluble “N₂S₂O₂” complexing agent was designed for polonium(IV) decorporation. The bifunctional ligand showed outstanding Po(IV) complexing abilities, with a conditional stability constant three orders of magnitude higher than the reference ligand BAL.

Chemical Communications

Investigation of a new “N₂S₂O₂” chelating agent with high Po(iv) affinity†

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Investigation of a new “N₂S₂O₂” chelating agent with high Po(IV) affinity

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