Separation and activity standardization of 226Ra by 4πα liquid scintillation counting

. 2022 Oct ; 188 () : 110346. [epub] 20220703

Jazyk angličtina Země Velká Británie, Anglie Médium print-electronic

Typ dokumentu časopisecké články

Perzistentní odkaz   https://www.medvik.cz/link/pmid35839710
Odkazy

PubMed 35839710
DOI 10.1016/j.apradiso.2022.110346
PII: S0969-8043(22)00236-6
Knihovny.cz E-zdroje

The 226Ra standardization method is based on the removal of 222Rn by intensive venting and subsequent separation of radon daughter decay products on a column packed with lead filings, 226Ra remains in the eluate. The eluate was repeatedly measured by LSC, and the measured values were corrected for the increase in the activity of the 226Ra daughter products since the separation was completed. The method was applied to EB type solutions from CMI production. The 226Ra activity was determined with an uncertainty better than 0.6.

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