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The analysis of seized nuclear material aims at identifying the origin of the material. Determination of the n({18}O)/n({16}O) ratio for the uranium oxide adds another characteristic property to the pattern which enables location of the production area of the material. A method has been developed for n({18}O)/n({16}O) ration measurements which uses thermal ionization mass spectrometric (TIMS) analysis of the {238}UO{+} species. It has been shown that uranium oxides of different geographic origin have significantly different n({18}O)/n({16}O) ratios, whereas different samples of the same origin have constant oxygen isotopes ratios.

Additional information

Authors: PAJO L, JRC, Institute for Transuranium Elements, Karlsruhe (DE);MAYER K, JRC, Institute for Transuranium Elements, Karlsruhe (DE);KOCH L, JRC, Institute for Transuranium Elements, Karlsruhe (DE)
Bibliographic Reference: An article published in: Fresenius Journal of Analytical Chemistry, Vol.371 (2001), pp.348-452
Record Number: 200114201 / Last updated on: 2002-01-02
Original language: en
Available languages: en
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