Abstract
Suitable analytical procedures for the bulk analysis of ultra-trace amounts of uranium and plutonium have been developed using multi-collector inductively coupled mass spectrometry (MC.ICP.MS). The quantification and determination of the isotopic ratios of uranium and plutonium in three simulated swipe samples, a swipe blank, and a process blank were performed to validate the analytical performance. The analytical results for the simulated swipe samples were in good agreement with the certified values, based on the measurement quality goals for the analysis of bulk environmental samples recommended by the International Atomic Energy Agency (IAEA)
Highlights
Bulk analysis of environmental samples is one of the most powerful techniques for monitoring undeclared nuclear materials and activities around nuclear facilities
The analytical results for the simulated swipe samples were in good agreement with the certified values, based on the measurement quality goals for the analysis of bulk environmental samples recommended by the International Atomic Energy Agency (IAEA)
Through the evaluation of uranium and plutonium backgrounds in the process blank during a bulk analysis, we confirmed that the overall analytical procedures and n(234U)/n(238U) (× 10-4) measured corrected n(235U)/n(238U) (× 10-2)
Summary
Bulk analysis of environmental samples is one of the most powerful techniques for monitoring undeclared nuclear materials and activities around nuclear facilities. The quantification and determination of the isotopic ratios of uranium and plutonium in three simulated swipe samples, a swipe blank, and a process blank were performed to validate the analytical performance.
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