Incorporating tritiated water into a 14C-sampling system for quantitative estimation of 14C activity in airborne effluent |
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| Authors: | J Koarashi T Yokota K Akiyama and T Asano |
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| Institution: | (1) Radiation Protection Division, Japan Nuclear Cycle Development Institute Tokai-mura, Naka-gun, Ibaraki, 319-1194, Japan E-mail;(2) Tokai-mura, Naka-gun, Inspection Development Company Ltd, Ibaraki 319-1112, Japan |
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| Abstract: | The effects of incorporating tritiated water into a 14C-sampling system in sample preparation and 14C activity measurement by liquid scintillation counting were investigated. Experiments derived the limit of water content
in the prepared sample, and also demonstrated that 14C activity can be determined without any interference from 3H contamination for a clear-sample solution. The results enabled us to estimate the permissible relative humidity of air required
for accomplishing sample preparation and 14C activity measurement. These showed that for sampling of air with less than the permissible relative humidity, total 14C activity in airborne effluent can be evaluated accurately without dehumidification of air.
This revised version was published online in July 2006 with corrections to the Cover Date. |
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