Open Access
ND 2007
Article Number 239
Number of page(s) 3
Section Fission applications
Published online 17 June 2008
International Conference on Nuclear Data for Science and Technology 2007
DOI: 10.1051/ndata:07533

An alternative method to determine 235U in environmental samples

F.A. Genezini1, G.S. Zahn2, C.B. Zamboni2 and M.T.F. da Cruz3

1  Centro Regional de Ciências Nucleares, Pernambuco, Brazil
2  Instituto de Pesquisas Energéticas e Nucleares, São Paulo, Brazil
3  Instituto de Física da USP, São Paulo, Brazil

Published online: 21 May 2008

In this work, three different procedures (direct gamma-ray spectroscopy, indirect gamma-ray spectroscopy and gamma-gamma coincident spectroscopy) are employed in the determination of the amount of 235U in a well-known enriched-Uranium sample, and all three are discussed as possible alternatives to determine 235U in environmental samples. The results show that the three methods give similar results, although these results are all ~30% below the expected value.

© CEA 2008

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