1973
DOI: 10.1139/v73-082
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Studies of Oxygen Exchange Between Trivalent Lanthanide – EDTA Complexes and Solvent Water: Evidence for a Structural Change Within the Series

Abstract: Oxygen-18 labelled EDTA, dissolved in normal water. has been used to examine the kinetics of oxygen transfer between the solvent and a variety of metal-EDTA complexes, including most of the lanthanides, Ca and Th. The lability of the oxygens is profoundly affected by the ionic charge of the metal in the chelate. Thus oxygen exchange in the Th-EDTA-Hz0 system shows a half-life of 10 lnin at 100 O C , while for comparable conditions. Ca-EDTA-Hz0 shows a half-life in excess of 100 days. The lanthanides as agroup … Show more

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Cited by 7 publications
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