Studies on uranyl complexes-III Uranyl complexes of edta |
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| Authors: | Da Silva J J Simoes M L |
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| Institution: | Centro de Estudos de Quimica Nuclear (I.A.C.), Institute Superior Técnico, Lisbon, Portugal. |
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| Abstract: | The uranyl complexes of EDTA have been studied by potentiometry ; stability constants of the 1:1 and 2:1 (metal to ligand) chelates have been determined, as well as the respective hydrolysis and polymerization constants. Possible structures for these species are discussed. To account for the abnormally high stability of UO(2)(H(2)O)HL-, hydrogen bonding between a protonated nitrogen atom of the ligand and one oxygen atom of UO(2)(2+) is suggested. |
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