Development of a mobile radon calibration system at KRISS

Autor:	Byungjoo Kim, M.J. Han, Dong-Hye Heo, B. C. Kim, J.M. Lee, K.B. Lee, Y. G. Seon, Seung-Mi Hwang
Rok vydání:	2021
Předmět:	Health Toxicology and Mutagenesis Detector Public Health Environmental and Occupational Health chemistry.chemical_element Radon Pollution Analytical Chemistry Nuclear Energy and Engineering chemistry Calibration Environmental science Radiology Nuclear Medicine and imaging Spectroscopy Remote sensing
Zdroj:	Journal of Radioanalytical and Nuclear Chemistry. 330:571-576
ISSN:	1588-2780 0236-5731
DOI:	10.1007/s10967-021-07932-4
Popis:	A mobile radon calibration system was developed with a high-sensitivity radon detector, a movable calibration chamber, and a 226Ra solid source at the Korea Research Institute of Standards and Science (KRISS). The high-sensitivity radon detector was based on electrostatic collection mechanism. The volume of the calibration chamber was (1003.8 ± 6.0) L. The mobile radon calibration system was calibrated with 222Rn CRM from the radon primary system at KRISS. The sensitivities were established to be (231.8 ± 16.1) cpm/(kBq/m3) for 218Po and (254.9 ± 17.8) cpm/(kBq/m3) for 214Po, respectively (k = 2).
Databáze:	OpenAIRE
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