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|Title:||Quantifying multiple trace elements in uranium ore concentrates: an interlaboratory comparison|
|Authors:||BÜRGER S.; BOULYGA S.; PEN´KIN M.v.; BOSTICK D.; JOVANOVIC S.; LINDVALL R.; RASMUSSEN Gert; RICIPUTI L.|
|Citation:||JOURNAL OF RADIOANALYTICAL AND NUCLEAR CHEMISTRY vol. 301 no. 3 p. 711-729|
|Type:||Articles in periodicals and books|
|Abstract:||An intercomparison was organized, with six laboratories tasked to quantify sixty-nine impurities in two uranium materials. The main echnique 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.|
|JRC Directorate:||Nuclear Safety and Security|
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