Complexation of lanthanide(III) with a tripodal polyaza polycatecholate ligand

The interaction of La(III), Gd(III), and Yb(III) with Tris((2,3-dihydroxybenzylamino)ethyl)amine) (TRENCAT) was investigated by means of potentiometric measurements in 0.1 mol dm −3 aqueous solution of sodium perchlorate at 25 °C. The formation of complexes between the partially protonated ligand an...

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Bibliographic Details
Published in:Polyhedron 2002-06, Vol.21 (14), p.1393-1396
Main Authors: Bismondo, Arturo, Di Bernardo, Plinio, Portanova, Roberto, Tolazzi, Marilena, Zanonato, Pier Luigi
Format: Article
Language:English
Subjects:
Catecholate ligands
Lanthanide
Polyaza ligands
Potentiometry
Stability constants
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Summary:The interaction of La(III), Gd(III), and Yb(III) with Tris((2,3-dihydroxybenzylamino)ethyl)amine) (TRENCAT) was investigated by means of potentiometric measurements in 0.1 mol dm −3 aqueous solution of sodium perchlorate at 25 °C. The formation of complexes between the partially protonated ligand and lanthanides has been observed and the values of their formation constants are reported. The interaction of La(III), Gd(III), and Yb(III) with Tris((2,3-dihydroxybenzyl amino)ethyl)amine) (TRENCAT) was investigated by means of potentiometric measurements in 0.1 mol dm −3 aqueous solution of sodium perchlorate at 25 °C. The formation of complexes between the partially protonated ligand and lanthanides has been observed and the values of their formation constants are reported.
ISSN:0277-5387
DOI:10.1016/S0277-5387(02)00962-2