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Fluorescence of lanthanide(III) complexes in aqueous solutions the influence ofpH and solution composition

Untersuchung der Fluoreszenz von Lösungen einiger Lanthaniden(III)-Komplex in Abhängigkeit vonpH und Zusammenhang der Lösung

  • Anorganische Und Physikalische Chemie
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Abstract

The fluorescence of lanthanide ions and of their complexes withEDTA,NTA andAA in aqueous solutions was investigated. It has been shown that the fluorescence band intensities of Sm(III), Eu(III), Gd(III), Tb(III) and Dy(III) complexes depend on thepH and the complexing agent concentration. Fluorescence measurements were used to characterise the lanthanide complexes formed and an attempt was made to interpret the results theoretically.

Zusammenfassung

Die Fluoreszenz von wäßrigen Lösungen der Ionen und Komplexe einiger Lanthaniden mit Ethylendiamintetraessigsäure, Nitrilotriessigsäure und Essigsäure wurde untersucht. Der Einfluß vonpH und Konzentration der Komplexbildner auf die Intensität der Fluoreszenzbanden von Sm(III), Eu(III), Gd(III), Tb(III) und Dy(III) wurde bewiesen. Die Fluoreszenzmessungen wurden für die Charakterisierung von Lösungen der Lanthanidenkomplexe genützt und ein Versuch der theoretischen Interpretation der beobachteten Änderungen im Spektrum wurde unternommen.

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Elbanowski, M., Lis, S. & Mąkowska, B. Fluorescence of lanthanide(III) complexes in aqueous solutions the influence ofpH and solution composition. Monatsh Chem 116, 901–911 (1985). https://doi.org/10.1007/BF00809183

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  • DOI: https://doi.org/10.1007/BF00809183

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