A new radon monitor with a positively charged aluminum disk |
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Authors: | Yang Ya-xin Liu Qing-cheng Wu Xin-min Huang Yan-jun Lin Jun Wu Ya-mei Li Shu-zhen Hsia Yuan-fu |
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Affiliation: | (1) Radiation Protection Bureau, Health Canada, 775 Brookfield Road, Ottawa, ON, K1A 1C1, Canada |
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Abstract: | A new air radon monitor is proposed based on the combination of an aluminum disk and an electric multilevel clearance system (EMCS). The positively charged, small aluminum disk has a high collection ability to radon with a collection efficiency of about 60%. The old radon progenies were eliminated by the EMCS in the air entrance of the monitor with an efficiency of about 99%. The monitor was calibrated in the national standard radon chamber in Hengyang, China. Compared to the radon double-filter equipment, the results, gained by both apparatus, coincide with each other. |
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