Presentation Information

[1N06]Development of flow injection/online liquid scintillation analysis system for the determination of alpha nuclides in fuel debris(3) Analysis performance evaluation by measuring plutonium standard solution

*Juri Aoya1, Kenji Masui1, Kazushi Horigome1, Masahiko Yamamoto1, Shigeo Taguchi1 (1. JAEA)

Keywords:

Flow injection analysis,Liquid scintillation,Fuel debris,Alpha nuclide

Determination of alpha nuclides is essential for transfer and storage of fuel debris. A flow injection analysis system combining solvent extraction and liquid scintillation detector has been developed for rapid determination of plutonium in the debris with high processing capability. Liquid sample containing plutonium has been fed into a static mixer by flowing carrier solution and contacted with an extractant Aliquat®336 dissolved in xylene. Then, the mixture has been separated into an aqueous phase and an organic phase by membrane separator to extract plutonium. The organic phase has been fed into a flow cell for liquid scintillation counting after mixed with liquid scintillator. The performance of the analysis system has been evaluated by measuring plutonium standard solution.

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