An activated charcoal-based, liquid scintillation-analyzed airborne Rn detector |
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| Authors: | M C Schroeder U Vanags C T Hess |
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| Affiliation: | University of Maine, Orono 04469. |
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| Abstract: | An inexpensive, easy-to-use detector for measuring airborne 222Rn based on 222Rn diffusion and absorption in activated charcoal is presented. The detector uses chemical extraction and liquid scintillation for measurement of the 222Rn concentration, is designed to be insensitive to temperature and humidity effects, and obtains sensitivity levels of 675 CPM (Bq L-1)-1 [25 CPM (pCi L-1)-1] at room temperature. |
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