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Optimization of 210Po determination in soil

Grzegorz Szaciłowski

Grzegorz Szaciłowski

NCBJ – National Centre for Nuclear Research, Department of Nuclear Safety & Radiation ProtectionOtwock/Świerk, Poland
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Szaciłowski, Grzegorz
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Małgorzata Dymecka

Małgorzata Dymecka

NCBJ – National Centre for Nuclear Research, Department of Nuclear Safety & Radiation ProtectionOtwock/Świerk, Poland
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Dymecka, Małgorzata
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Maria Prusińska

Maria Prusińska

NCBJ – National Centre for Nuclear Research, Department of Nuclear Safety & Radiation ProtectionOtwock/Świerk, Poland
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Prusińska, Maria
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Katarzyna Rzemek

Katarzyna Rzemek

NCBJ – National Centre for Nuclear Research, Department of Nuclear Safety & Radiation ProtectionOtwock/Świerk, Poland
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Rzemek, Katarzyna
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Jakub Ośko

Jakub Ośko

NCBJ – National Centre for Nuclear Research, Department of Nuclear Safety & Radiation ProtectionOtwock/Świerk, Poland
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Ośko, Jakub
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Magdalena Mądry

Magdalena Mądry

NCBJ – National Centre for Nuclear Research, Department of Nuclear Safety & Radiation ProtectionOtwock/Świerk, Poland
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Mądry, Magdalena
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Michalina Kostecka

Michalina Kostecka

NCBJ – National Centre for Nuclear Research, Department of Nuclear Safety & Radiation ProtectionOtwock/Świerk, Poland
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Kostecka, Michalina
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Agnieszka Araszkiewicz

Agnieszka Araszkiewicz

NCBJ – National Centre for Nuclear Research, Department of Nuclear Safety & Radiation ProtectionOtwock/Świerk, Poland
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Araszkiewicz, Agnieszka
  
08. Juni 2021
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Artikel-Kategorie: Original Paper
Online veröffentlicht: 08. Juni 2021
Seitenbereich: 75 - 79
Eingereicht: 30. Okt. 2020
Akzeptiert: 07. Jan. 2021
DOI: https://doi.org/10.2478/nuka-2021-0010
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© 2021 Grzegorz Szaciłowski et al., published by Sciendo
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

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
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