Method for determining plutonium in air filters in detection of nuclear activities

Susanna Salminen (Corresponding Author), I. Outola, T. Jaakkola, Satu Pulli, Riitta Zilliacus, Jukka Lehto

Research output: Contribution to journalArticleScientificpeer-review

5 Citations (Scopus)

Abstract

A method was developed to determine activities and isotope ratios of plutonium and uranium. The method includes dry and wet ashing of air filters and separation of plutonium and uranium from each other and from other nuclides on Eichrom®´s extraction chromatography resins UTEVA and TRU. Interferences in plutonium separation caused by thorium and polonium were investigated and eliminated. A field trial was performed in Kurchatov, Kazakhstan, to test the aerosol sampling and radiochemical methods developed for plutonium and uranium. In the air samples collected, the activity of 239,240Pu varied between 0.67 and 228 Bq/kg of dust, the activity of 238Pu from 0.20 Bq/kg to 16.4 Bq/kg of dust, and the isotopic ratio 238Pu/239,240Pu between 0.011 and 2.4. Concentrations of Pu isotopes in the air were 13.4-2490 nBq/m3 for 239,240Pu and 7.2-960 nBq/m3 for 238Pu. Radioactivity of 239,240Pu in air filters from Astana varied between 0.075 and 0.72 Bq per kg of dust and that of 238Pu between 0.038 and 0.14 Bq/kg of dust. Activity concentration of 239,240Pu in the air of Astana was 5.0-130 nBq/m3.

Original languageEnglish
Pages (from-to)467 - 473
Number of pages7
JournalRadiochimica Acta
Volume92
Issue number8
DOIs
Publication statusPublished - 2004
MoE publication typeA1 Journal article-refereed

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air filters
Plutonium
Air filters
plutonium
Uranium
Dust
dust
uranium
Isotopes
air
Polonium
Air
polonium
Thorium
Kazakhstan
isotope ratios
thorium
Radioactivity
chromatography
nuclides

Cite this

Salminen, S., Outola, I., Jaakkola, T., Pulli, S., Zilliacus, R., & Lehto, J. (2004). Method for determining plutonium in air filters in detection of nuclear activities. Radiochimica Acta, 92(8), 467 - 473. https://doi.org/10.1524/ract.92.8.467.39273
Salminen, Susanna ; Outola, I. ; Jaakkola, T. ; Pulli, Satu ; Zilliacus, Riitta ; Lehto, Jukka. / Method for determining plutonium in air filters in detection of nuclear activities. In: Radiochimica Acta. 2004 ; Vol. 92, No. 8. pp. 467 - 473.
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Salminen, S, Outola, I, Jaakkola, T, Pulli, S, Zilliacus, R & Lehto, J 2004, 'Method for determining plutonium in air filters in detection of nuclear activities', Radiochimica Acta, vol. 92, no. 8, pp. 467 - 473. https://doi.org/10.1524/ract.92.8.467.39273

Method for determining plutonium in air filters in detection of nuclear activities. / Salminen, Susanna (Corresponding Author); Outola, I.; Jaakkola, T.; Pulli, Satu; Zilliacus, Riitta; Lehto, Jukka.

In: Radiochimica Acta, Vol. 92, No. 8, 2004, p. 467 - 473.

Research output: Contribution to journalArticleScientificpeer-review

TY - JOUR

T1 - Method for determining plutonium in air filters in detection of nuclear activities

AU - Salminen, Susanna

AU - Outola, I.

AU - Jaakkola, T.

AU - Pulli, Satu

AU - Zilliacus, Riitta

AU - Lehto, Jukka

PY - 2004

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N2 - A method was developed to determine activities and isotope ratios of plutonium and uranium. The method includes dry and wet ashing of air filters and separation of plutonium and uranium from each other and from other nuclides on Eichrom®´s extraction chromatography resins UTEVA and TRU. Interferences in plutonium separation caused by thorium and polonium were investigated and eliminated. A field trial was performed in Kurchatov, Kazakhstan, to test the aerosol sampling and radiochemical methods developed for plutonium and uranium. In the air samples collected, the activity of 239,240Pu varied between 0.67 and 228 Bq/kg of dust, the activity of 238Pu from 0.20 Bq/kg to 16.4 Bq/kg of dust, and the isotopic ratio 238Pu/239,240Pu between 0.011 and 2.4. Concentrations of Pu isotopes in the air were 13.4-2490 nBq/m3 for 239,240Pu and 7.2-960 nBq/m3 for 238Pu. Radioactivity of 239,240Pu in air filters from Astana varied between 0.075 and 0.72 Bq per kg of dust and that of 238Pu between 0.038 and 0.14 Bq/kg of dust. Activity concentration of 239,240Pu in the air of Astana was 5.0-130 nBq/m3.

AB - A method was developed to determine activities and isotope ratios of plutonium and uranium. The method includes dry and wet ashing of air filters and separation of plutonium and uranium from each other and from other nuclides on Eichrom®´s extraction chromatography resins UTEVA and TRU. Interferences in plutonium separation caused by thorium and polonium were investigated and eliminated. A field trial was performed in Kurchatov, Kazakhstan, to test the aerosol sampling and radiochemical methods developed for plutonium and uranium. In the air samples collected, the activity of 239,240Pu varied between 0.67 and 228 Bq/kg of dust, the activity of 238Pu from 0.20 Bq/kg to 16.4 Bq/kg of dust, and the isotopic ratio 238Pu/239,240Pu between 0.011 and 2.4. Concentrations of Pu isotopes in the air were 13.4-2490 nBq/m3 for 239,240Pu and 7.2-960 nBq/m3 for 238Pu. Radioactivity of 239,240Pu in air filters from Astana varied between 0.075 and 0.72 Bq per kg of dust and that of 238Pu between 0.038 and 0.14 Bq/kg of dust. Activity concentration of 239,240Pu in the air of Astana was 5.0-130 nBq/m3.

U2 - 10.1524/ract.92.8.467.39273

DO - 10.1524/ract.92.8.467.39273

M3 - Article

VL - 92

SP - 467

EP - 473

JO - Radiochimica Acta

JF - Radiochimica Acta

SN - 0033-8230

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ER -