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- Title
Characteristic and performance of a simple thoron chamber.
- Authors
Zhao, C.; Zhuo, W.; Chen, B.; Zhang, H.
- Abstract
For calibration and intercomparison experiments, a thoron chamber with an inner volume of 300 l was designed based on a programmable constant temperature and humidity testing device in this work. The commercial lantern mantles enriched with 232Th were used as the 220Rn source and the mantles were set in 3×3×3 points of lattice style inside the chamber. Experimental studies showed that 220Rn concentrations in the chamber could be easily controlled and adjusted from about 0.5 to 80 kBq m−3 through manual settings of the relative humidity and temperature, and the spatial distribution of 220Rn in the chamber was fairly homogeneous.
- Subjects
CALIBRATION; THORON; HUMIDITY; TEMPERATURE; LANTERNS (Lamps)
- Publication
Radiation Protection Dosimetry, 2010, Vol 141, Issue 4, p444
- ISSN
0144-8420
- Publication type
Article
- DOI
10.1093/rpd/ncq250