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|Title:||Analysis of Single Micro-Sized Uranium Particles by Thermal Ionization Mass Spectrometry|
|Authors:||KRAIEM MONIA; RICHTER Stephan; KUEHN Heinz; TRUYENS Jan; STEFANIAK Elzbieta; AREGBE Yetunde|
|Citation:||Proceedings of the Fifty first Annual Meeting of Institute for Nuclear Materials Measurements p. 1-7|
|Publisher:||Institute of Nuclear Materials Management (INMM)|
|Type:||Articles in periodicals and books|
|Abstract:||In this work, a method is described that allows measuring the U enrichment in small uranium oxides particles (less than 1 µm in diameter) by the use of Thermal Ionization Mass Spectrometry (TIMS). This project is driven by the need of improving IRMM's capabilities in the area of low-level isotopic analysis for the support in "Environmental Sampling" for nuclear safeguards. The particle manipulation and analysis techniques presented here enable the examination of a single particle of interest by a combination of analytical techniques, thus yielding surface morphological, elemental and isotopic information. Individual particles of NUSIMEP-6 and NBS-200 samples containing pg-size amounts or uranium were analyzed. First experimental data showed the technique used in this work was an accurate method for the determination of the U isotope ratios, including the minor isotopes, which were derived with good precision.|
|JRC Institute:||Health, Consumers and Reference Materials|
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