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On the application of ICP-MS techniques for measuring uranium and plutonium: a Nordic inter-laboratory comparison exercise |
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| Authors: | Jixin Qiao Petra Lagerkvist Ilia Rodushkin Susanna Salminen-Paatero Per Roos Syverin Lierhagen Karl Andreas Jensen Emma Engstrom Yann Lahaye Lindis Skipperud |
| Affiliation: | 1.Center for Nuclear Technologies (Nutech),Technical University of Denmark (DTU),Roskilde,Denmark;2.Swedish Defence Research Agency (FOI), CBRN Defence and Security,Ume?,Sweden;3.ALS Life Sciences Division,ALS Scandinavia AB,Lule?,Sweden;4.Department of Chemistry, Radiochemistry,University of Helsinki,Helsinki,Finland;5.Department of Chemistry,Norwegian University of Science and Technology (NTNU),Trondheim,Norway;6.Centre for Environmental Radioactivity (CERAD),Norwegian University of Life Sciences (NMBU),?s,Norway;7.Geological Survey of Finland (GTK),Espoo,Finland |
| Abstract: | Inductively coupled plasma mass spectrometry (ICP-MS) techniques are widely used for determination of long-lived radionuclides and their isotopic ratios in the nuclear fields. Uranium (U) and Plutonium (Pu) isotopes have been determined by many researchers with ICP-MS due to its relatively high sensitivity and short measurement time. In this work, an inter-laboratory comparison exercise among the Nordic countries was performed, focusing on the measurement of U and Pu isotopes in certified reference materials by ICP-MS. The performance and characters of different ICP-MS instruments are evaluated and discussed in this paper. |
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