I. Billard
Aqueous solutions of uranium(VI) as studied by time-resolved emission spectroscopy: A round-robin test
Billard, I.; Ansoborlo, E.; Apperson, K.; Arpigny, S.; Azenha, M.E.; Birch, D.; Bros, P.; Burrows, H.D.; Choppin, G.; Couston, L.; Dubois, V.; Fanghanel, T.; Geipel, G.; Hubert, S.; Kim, J.I.; Kimura, T.; Klenze, R.; Kronenberg, A.; Kumke, M.; Lagarde, G.; Lamarque, G.; Lis, S.; Madic, C.; Mein, G.
Authors
E. Ansoborlo
K. Apperson
S. Arpigny
M.E. Azenha
D. Birch
P. Bros
H.D. Burrows
G. Choppin
L. Couston
V. Dubois
T. Fanghanel
G. Geipel
S. Hubert
J.I. Kim
T. Kimura
R. Klenze
A. Kronenberg
M. Kumke
G. Lagarde
G. Lamarque
S. Lis
C. Madic
G. Mein
Contributors
Professor David Parker david.parker@durham.ac.uk
Other
Abstract
Results of an inter-laboratory round-robin study of the application of time-resolved emission spectroscopy (TRES) to the speciation of uranium(VI) in aqueous media are presented. The round-robin study involved 13 independent laboratories, using various instrumentation and data analysis methods. Samples were prepared based on appropriate speciation diagrams and, in general, were found to be chemically stable for at least six months. Four different types of aqueous uranyl solutions were studied: (1) acidic medium where UO2aq2+ is the single emitting species, (2) uranyl in the presence of fluoride ions, (3) uranyl in the presence of sulfate ions, and (4) uranyl in aqueous solutions at different pH, promoting the formation of hydrolyzed species. Results between the laboratories are compared in terms of the number of decay components, luminescence lifetimes, and spectral band positions. The successes and limitations of TRES in uranvl analysis and speciation in aqueous solutions are discussed.
Citation
Billard, I., Ansoborlo, E., Apperson, K., Arpigny, S., Azenha, M., Birch, D., …Mein, G. (2003). Aqueous solutions of uranium(VI) as studied by time-resolved emission spectroscopy: A round-robin test. Applied Spectroscopy, 57(8), 1027-1038
Journal Article Type | Article |
---|---|
Publication Date | 2003-08 |
Journal | Applied Spectroscopy |
Print ISSN | 0003-7028 |
Publisher | Society for Applied Spectroscopy |
Peer Reviewed | Peer Reviewed |
Volume | 57 |
Issue | 8 |
Pages | 1027-1038 |
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