Home / Store / Journals / Electronic Articles / Fusion Science and Technology / Volume 54 / Number 1
R. A. Sigg, D. P. DiPrete, D. J. Pak, L. M. Arrigo
Fusion Science and Technology
Volume 54 / Number 1 / July 2008 / Pages 167-169
Format:electronic copy (download)
Systems to safely analyze for tritium in moisture collected from glovebox atmospheres are being developed for use at Savannah River Site (SRS) tritium facilities. Analysis results will guide whether the material contains sufficient tritium for economical recovery, or whether it should be stabilized for disposal as waste. In order to minimize potential radiation exposures that could occur in handling and diluting high-tritium-content water, SRS sought alternatives to the process laboratory's routine analysis by liquid-scintillation counting. The newer systems determine tritium concentrations by measuring bremsstrahlung radiation induced by low-energy beta interactions. One of the systems determines tritium activity in liquid streams, the other determines tritium activity in water vapor. Topics discussed include counting results obtained by modeling and laboratory testing and corrections that are made for low-energy photon attenuation.
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