| Autor: |
Kraiem, M., Richter, S., Kühn, H., Truyens, J., Stefaniak, E., Aregbe, Y. |
| Předmět: |
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| Zdroj: |
Proceedings of the Institute of Nuclear Materials Management Annual Meeting; 2010, p1-7, 7p, 2 Color Photographs, 2 Black and White Photographs, 2 Charts, 1 Graph |
| Abstrakt: |
In this work, a method is described that allows measuring the U enrichment in small uranium oxide 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 the IRMM's capabilities in the area of low-level isotopic analysis for the support in "Environmental Sampling" for nuclear safeguards. The experimental procedure presented here enables 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 of 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. [ABSTRACT FROM AUTHOR] |
| Databáze: |
Supplemental Index |
| Externí odkaz: |
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