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Redox Stability of Uranium(VI) in Presence of Synthetic and Natural Humic Acids

Sachs, S.; Geipel, G.; Bernhard, G.

Abstract

Based on the oxidation of phenolic compounds (e.g., hydroquinone, catechol) we developed synthetic HA model substances with pronounced redox functionalities in order to study the redox behavior of HA and the redox stability of actinide humate complexes. In the present work we studied the redox stability of U(VI) humate complexes applying these synthetic HA in comparison to purified natural HA from Aldrich.

Keywords: humic acids; complex formation; uranium; redox stability; laser-induced photoacoustic spectroscopy

  • Poster
    12th International Meeting of the International Humic Substances Society. 26.-30. Juli 2004, Sao Pedro, Brazil.
  • Contribution to proceedings
    12th International Meeting of the International Humic Substances Society, 25.-30.07.2004, Sao Pedro, Sao Paulo, Brazil
    Humic Substances and Soil and Water Environment, 172-174

Permalink: https://www.hzdr.de/publications/Publ-6064

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