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H-3 Measurement in Radioactive Wastes: Efficiency of the Pyrolysis Method to Extract Tritium from Aqueous Effluent, Oil, and Concrete

R. Brennetot, M. Giuliani, S. Guégan, P. Fichet, L. Chiri, P. Deloffre, A. Masset, C. Mougel, F. Bachelet

Fusion Science and Technology / Volume 71 / Number 3 / April 2017 / Pages 397-402

Technical Note / dx.doi.org/10.1080/15361055.2017.1291242

First Online Publication:April 27, 2017

Tritium measurement in nuclear waste is a key to determine the type of repository. This technical note describes the methodology used to validate tritium measurement in various matrices using pyrolysis method with a new instrument available in the market. The efficiency obtained for tritium recovery in aqueous matrix, oil and concrete are respectively higher than 95%, 93%, and 85%.