Determination of 210Po in air filters from metallurgic industry

The elevated concentration of 210 Po attached to aerosol particles inside a non-ferrous metal refinery was studied. The aerosols were collected on Petrianov or glass-fiber filters and subsequently subjected to radiochemical procedure consisting of acid leaching and concentration by micro co-precipit...

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Bibliographic Details
Published in:Journal of radioanalytical and nuclear chemistry 2019, Vol.322 (3), p.1351-1356
Main Authors: Szaciłowski, Grzegorz, Ośko, Jakub, Pliszczyński, Tomasz
Format: Article
Language:English
Subjects:
Acid leaching
Air filters
Chemistry
Chemistry and Materials Science
Diagnostic Radiology
Hadrons
Heavy Ions
Inorganic Chemistry
Manganese
Nonferrous metals
Nuclear Chemistry
Nuclear Physics
Physical Chemistry
Polonium
Radiochemistry
Refineries
Scintillation counters
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Summary:The elevated concentration of 210 Po attached to aerosol particles inside a non-ferrous metal refinery was studied. The aerosols were collected on Petrianov or glass-fiber filters and subsequently subjected to radiochemical procedure consisting of acid leaching and concentration by micro co-precipitation with manganese oxide. For the activity determination alpha spectrometry and liquid scintillation counting (LSC) were applied. The obtained results showed that usually observed polonium concentration inside the plant was lower than 78 mBq m −3 , however short spikes up to 7430 ± 710 mBq m −3 (related to the specific thermal process) were also observed.
ISSN:0236-5731
1588-2780
DOI:10.1007/s10967-019-06858-2