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On the use of ICP-MS for measuring plutonium in urine


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Baglan, N.; Cossonnet, C.; Pitet, P. ;Cavadore, D. ; Exmelin, L. ;Berard, P Journal of Radioanalytical and Nuclear Chemistry 2000, v. 243(2) p. 397-401,2000 (Low-level measurements of actinides and long-lived radionuclides in biological and environmental samples Salt Lake City, UT (United States) 21-25 Sep 1998)

Type de document > *Article de revue, *Congrès/colloque

Mots clés > dosimétrie interne, ICP-MS, plutonium

Unité de recherche > Laboratoire d'évaluation et de modélisation de la dose interne (LEMDI)

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Date de publication > 01/02/2000

Résumé

The analytical protocols currently used to measure plutonium in urinary excretion consist of radiochemical purification, the source preparation by electroplating and alpha spectrometry measurements. Such a procedure is of limited relevance to the individual monitoring of workers exposed to plutonium and mixed oxides. The use of ICP-MS, which takes much shorter counting time, was investigated with the aim of assessing the capabilities of this analytical tool for the determination of urinary excretion of plutonium. It has been shown that the detection level of 1 mBq x l-1 could be achieved after a radiochemical purification process for a standard ICP-MS set-up.