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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Acknowledgements
Special acknowledgement is given to NKS (Nordic Nuclear Safety Research) for the financial support. The participants and laboratories which responded to the inter-comparison exercise and contributed their time and facilities to the present work are hereby highly acknowledged. S. Salminen-Paatero is grateful to Hugh O´ Brien (Geological Survey of Finland) for providing instrument time. L. Skipperud thanks the Centre’s of Excellence funding scheme granted by the Research Council of Norway through Center for Environmental Radioactivity (CERAD), project number 223268/F50.
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Qiao, J., Lagerkvist, P., Rodushkin, I. et al. On the application of ICP-MS techniques for measuring uranium and plutonium: a Nordic inter-laboratory comparison exercise. J Radioanal Nucl Chem 315, 565–580 (2018). https://doi.org/10.1007/s10967-018-5697-4
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DOI: https://doi.org/10.1007/s10967-018-5697-4