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A new phenanthrene-based bis-oxime chemosensor for Fe(III) and Cr(III) discrimination |
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| Authors: | Virginia Bravo Salvador Gil Ana M Costero María N Kneeteman Ursula Llaosa Pedro ME Mancini Luís E Ochando Margarita Parra |
| Affiliation: | 1. Instituto de Reconocimiento Molecular y Desarrollo Tecnológico (IDM), Centro Mixto Universidad Politécnica de Valencia, Universitat de València, Dr. Moliner 50, 46100 Burjassot, Spain;2. Departamento de Química Orgánica, Facultad de Ingeniería Química, UNL, Santiago del Estero 2829, 3000 Santa Fe, Argentina |
| Abstract: | The synthesis of two new 2,7-disubstituted phenanthrene-based bis oximes is described. The ability of these two compound for complexing heavy metal cations have been studied and complexation constants and complex stoichiometry for Cr3+ and Fe3+ complex have been determined. The fluorescent properties of ligand 2 make this compound able to act as a sensor able to discriminate between Cr3+ and Fe3+. Detection limits for these two cations have been evaluated. |
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