Prompt-gamma neutron activation analysis using an isotopic neutron source |
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Authors: | D. Trubert J. Ch. Abbé J. M. Paulus |
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Affiliation: | (1) Laboratoire de Chimie Nucléaire, Centre de Recherches Nucléaires, B.P. 20, 67037 Strasbourg Cédex, (France) |
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Abstract: | This paper describes an experimental set up using an isotopic neutron source with graphite, preferably to a hydrogen-rich compound, as moderator. This low thermal flux source has been employed in PGNAA experiments. Only those elements having a high cross section can be quantitatively analyzed at low concentration levels, mainly, Gd, Cd, Sm, B and Hg; the other elements can only be probed at macroscopic levels. An application to the determination of boron content in collyria examplifies the possibilities of the technique. |
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