Low-level atmospheric radioactivity measurement using a NaI(Tl) spectrometer during aerosol sampling

. 2017 Aug ; 126 () : 225-227. [epub] 20161222

Jazyk angličtina Země Velká Británie, Anglie Médium print-electronic

Typ dokumentu časopisecké články

Perzistentní odkaz   https://www.medvik.cz/link/pmid28034511
Odkazy

PubMed 28034511
DOI 10.1016/j.apradiso.2016.12.046
PII: S0969-8043(16)30522-X
Knihovny.cz E-zdroje

In order to increase the early warning ability of the radiation monitoring network of the Czech republic, a high-volume aerosol sampler was upgraded with a NaI(Tl) probe placed directly above the aerosol filter. The paper demonstrates the possibility of using a method based on principal component regression to accurately subtract the complicated natural background caused by radon decay products. This approach yielded minimum detectable activities of 8mBq/m3, 3mBq/m3 and 7mBq/m3 for 131I, 134Cs and 137Cs, respectively, after 24h of sampling.

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