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On-Line Speciation of Uranyl Chelates in Supercritical CO 2 by Time-Resolved Laser-Induced Fluorescence Spectroscopy

✍ Scribed by Addleman, R. Shane; Carrott, Mike; Wai, Chien M.; Carleson, Tom E.; Wenclawiak, B. W.


Book ID
126872897
Publisher
American Chemical Society
Year
2001
Tongue
English
Weight
85 KB
Volume
73
Category
Article
ISSN
0003-2700

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The sorption of uranyl ions onto amorphous silica has been studied in the presence of atmospheric CO 2 by laser-induced timeresolved fluorescence spectroscopy at trace concentrations (1.0 and 0.1 Β΅M). Two fluorescent uranyl surface complexes have been identified in the pH range 4 to 9. Both complexe