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A key step in the understanding of the chemical reactivity of metals in aquatic environments is the improvement of capabilities for non-invasive examination of interface regions in heterogeneous media. In this work, time resolved laser induced fluorescence (TRLIF) and X-ray absorption spectroscopy (XAS) are used to probe the coordination environment and oxidation state changes of metal ions adsorbed on selected minerals. Rare earth elements (REE) are taken as a test case for their sensitivity to changes of solution composition and to the redox status of sediment/water environments.

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Authors: BIDOGLIO G, JRC Ispra (IT);HALTIER E, JRC Ispra (IT);OMENETTO N, JRC Ispra (IT);GIBSON P N, JRC Petten (NL);LIPPONEN M, Technical Research Centre of Finland, Reactor Laboratory, Espoo (FI)
Bibliographic Reference: Paper presented: Terzo Convegno di Chimica Fisica Ambientale, Milano (IT), May 25-29, 1992
Availability: Available from (1) as Paper EN 36797 ORA
Record Number: 199210703 / Last updated on: 1994-12-02
Original language: en
Available languages: en