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Uranium aerosols at a nuclear fuel fabrication plant: Characterization using scanning electron microscopy and energy dispersive X-ray spectroscopy
Linköping University, Department of Medical and Health Sciences, Division of Radiological Sciences. Linköping University, Faculty of Medicine and Health Sciences. Westinghouse Electric Sweden AB, Västerås, Sweden.ORCID iD: 0000-0002-5952-308X
Linköping University, Department of Medical and Health Sciences, Division of Radiological Sciences. Linköping University, Faculty of Medicine and Health Sciences. Region Östergötland, Center for Surgery, Orthopaedics and Cancer Treatment, Department of Radiation Physics.
Carl Zeiss SAS, Marley-le-Roi, France.
Linköping University, Department of Medical and Health Sciences, Division of Radiological Sciences. Linköping University, Faculty of Medicine and Health Sciences. Swedish Radiation Safety Authority, Stockholm, Sweden.
2017 (English)In: Spectrochimica Acta Part B - Atomic Spectroscopy, ISSN 0584-8547, E-ISSN 1873-3565, 130-137 p.Article in journal (Refereed) Published
Abstract [en]

Detailed aerosol knowledge is essential in numerous applications, including risk assessment in nuclear industry. Cascade impactor sampling of uranium aerosols in the breathing zone of nuclear operators was carried out at a nuclear fuel fabrication plant. Collected aerosols were evaluated using scanning electron microscopy and energy dispersive X-ray spectroscopy. Imaging revealed remarkable variations in aerosol morphology at the different workshops, and a presence of very large particles (up to ≅ 100 × 50 μm2) in the operator breathing zone. Characteristic X-ray analysis showed varying uranium weight percentages of aerosols and, frequently, traces of nitrogen, fluorine and iron. The analysis method, in combination with cascade impactor sampling, can be a powerful tool for characterization of aerosols. The uranium aerosol source term for risk assessment in nuclear fuel fabrication appears to be highly complex.

Place, publisher, year, edition, pages
Pergamon Press, 2017. 130-137 p.
National Category
Clinical Medicine
Identifiers
URN: urn:nbn:se:liu:diva-136713DOI: 10.1016/j.sab.2017.03.002ISI: 000401200700017OAI: oai:DiVA.org:liu-136713DiVA: diva2:1089959
Note

Funding agencies: Olav Axelsson Memorial Foundation [LIO-520711]; Swedish Radiation Safety Authority [SSM2014-4843]

Available from: 2017-04-21 Created: 2017-04-21 Last updated: 2017-06-13

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