Syntheses and spectroscopic characterization of uranium(VI) silicate minerals
Syntheses and spectroscopic characterization of uranium(VI) silicate minerals
Lehmann, S.; Geipel, G.; Foerstendorf, H.; Bernhard, G.
Abstract
In this study, the secondary uranium(VI) silicate minerals boltwoodite, sodium boltwoodite and uranophane were synthesized. Sodium boltwoodite was successfully obtained following a new reaction procedure. Their analytical characterization was carried out by means of inductively coupled plasma mass spectrometry and atomic absorption spectroscopy, scanning electron microscopy, X-ray powder diffraction, differential thermal analysis combined with thermogravimetry and infrared spectroscopy. Furthermore, the fluorescence behaviour was measured using time-resolved laser fluorescence spectroscopy. Herewith, the fluorescence properties of the three silicious uranyl phases were determined at room temperature.
Keywords: uranium(VI); silicate; minerals; spectroscopy; TRLFS
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Journal of Radioanalytical and Nuclear Chemistry 275(2008)3, 633-642
DOI: 10.1007/s10967-007-7060-z
Cited 14 times in Scopus
Permalink: https://www.hzdr.de/publications/Publ-10537