Quantifying multiple trace elements in uranium ore concentrates: an interlaboratory comparison

An intercomparison was organized, with six laboratories tasked to quantify sixty-nine impurities in two uranium materials. The main technique employed for analysis was inductively coupled plasma mass spectrometry in combination with matrix-matched external calibration. The results presented highligh...

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Bibliographic Details
Published in:Journal of radioanalytical and nuclear chemistry 2014-09, Vol.301 (3), p.711-729
Main Authors: Bürger, S., Boulyga, S. F., Peńkin, M. V., Bostick, D., Jovanovic, S., Lindvall, R., Rasmussen, G., Riciputi, L.
Format: Article
Language:English
Subjects:
Analysis
Chemistry
Chemistry and Materials Science
Diagnostic Radiology
Hadrons
Heavy Ions
Inorganic Chemistry
Mass spectrometry
Nuclear Chemistry
Nuclear fuel cycle
Nuclear Physics
Physical Chemistry
Uranium
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Summary:An intercomparison was organized, with six laboratories tasked to quantify sixty-nine impurities in two uranium materials. The main technique employed for analysis was inductively coupled plasma mass spectrometry in combination with matrix-matched external calibration. The results presented highlight the current state-of-the-practice; lessons learned include previously unaccounted polyatomic interferences, issues related to sample dissolution, blank correction and calibration, and the challenge of estimating measurement uncertainties. The exercise yielded consensus values for the two analysed materials, suitable for use as laboratory standards to partially fill a gap in the availability of uranium reference materials characterized for impurities.
ISSN:0236-5731
1588-2780
DOI:10.1007/s10967-014-3224-9