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Optimization of 210Po determination in soil Cover

Optimization of 210Po determination in soil

Nukleonika
Volume 66 (2021): Issue 2 (June 2021)
By: Grzegorz Szaciłowski,  Małgorzata Dymecka,  Maria Prusińska,  Katarzyna Rzemek,  Jakub Ośko,  Magdalena Mądry,  Michalina Kostecka and  Agnieszka Araszkiewicz  
Open Access
|Jun 2021

Figures & Tables

Fig. 1

Different geometries of plating, A (left) disc immersed in the solution and B (right) disc mounted to the bottom of the vessel.
Different geometries of plating, A (left) disc immersed in the solution and B (right) disc mounted to the bottom of the vessel.

Fig. 2

Distribution of 210Po between silicates and non-silica matrix in different samples.
Distribution of 210Po between silicates and non-silica matrix in different samples.

Fig. 3

Results of the 210Po determination on different electrodes, the red line represents the certified value for IAEA-447 (dashed line represents the expanded uncertainty for k = 2 of the certified value).
Results of the 210Po determination on different electrodes, the red line represents the certified value for IAEA-447 (dashed line represents the expanded uncertainty for k = 2 of the certified value).

Fig. 4

Scheme of the analytical procedure for polonium determination in soil.
Scheme of the analytical procedure for polonium determination in soil.

Validation parameters of samples from plating optimization experiment, calculations performed for expanded uncertainty (k = 2)

Electrode210Po (Bq·kg−1)Z-scoreU-score
Fe240 ± 140−2.11−0.90
Ag306 ± 240.070.11
Cu (geom. A)291 ± 31−0.61−0.61
Cu (geom. B)301 ± 35−0.10−0.13

Activity concentration of 210Po in soil samples

Sample210Po activity (Bq·kg−1)Type of fertilizer
Soil 168.9 ± 7.7nitrogen
Soil 2195 ± 12phosphate
Soil 312.1 ± 1.8nitrogen
Soil 415.3 ± 2.6nitrogen
DOI: https://doi.org/10.2478/nuka-2021-0010 | Journal eISSN: 1508-5791 | Journal ISSN: 0029-5922
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Language: English
Page range: 75 - 79
Submitted on: Oct 30, 2020
Accepted on: Jan 7, 2021
Published on: Jun 8, 2021
Published by: Institute of Nuclear Chemistry and Technology
In partnership with: Paradigm Publishing Services
Publication frequency: 4 issues per year
Keywords:
Polonium in silica,
Polonium in soil,
NORM
Related subjects:
Chemistry,
Nuclear chemistry,
Physics,
Astronomy and astrophysics,
Physics, other

© 2021 Grzegorz Szaciłowski, Małgorzata Dymecka, Maria Prusińska, Katarzyna Rzemek, Jakub Ośko, Magdalena Mądry, Michalina Kostecka, Agnieszka Araszkiewicz, published by Institute of Nuclear Chemistry and Technology
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

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