Title: Analysis of Single Micro-Sized Uranium Particles by Thermal Ionization Mass Spectrometry
Authors: KRAIEM MONIARICHTER StephanKUEHN HeinzTRUYENS JanSTEFANIAK ElzbietaAREGBE 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)
Publication Year: 2010
JRC Publication N°: JRC59002
URI: http://www.inmm.org//AM/Template.cfm?Section=Home
http://publications.jrc.ec.europa.eu/repository/handle/JRC59002
Type: Contributions to Conferences
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:Institute for Reference Materials and Measurements

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