A comparison of different radiochemical methods applicable for the determination of plutonium isotopes in urine via alpha spectrometry

I. Giardina, L. Andreocci, S. Bazzarri, L. Mancini, P. Battisti

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Abstract

Measurement of plutonium isotopes in vivo is not feasible for radiation protection purposes. Considering the slow rate of plutonium excretion, the respect to annual dose limits, whenever risk of plutonium internal contamination occurs, implies the need of a monitoring programme based on very sensitive bioassay, i.e., measurement of plutonium content in samples of urine or feces, characterized by a very low minimum detectable activity. Alpha spectrometry is the most common measurement method applied in this field. The applicability of this method strictly depends on the procedure adopted for the sample radiochemical preparation preceding the real spectrometric counting and, particularly, on the element chemical recovery that is one of the parameters that mostly influence the minimum detectable activity achievable by the analysis. The aim of the present work is to compare the performances of four of the most widely adopted radiochemical procedures making use of different separation methods for the determination of plutonium in urine samples via alpha spectrometry. © Institute of Physics, Academy of Sciences of Czech Republic 2006.
Original languageEnglish
Pages (from-to)-
JournalCzechoslovak Journal of Physics
Volume56
Issue numberSUPPL. 4
DOIs
Publication statusPublished - Dec 2006
Externally publishedYes

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All Science Journal Classification (ASJC) codes

  • Physics and Astronomy(all)

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