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Impact of fluoride and other aquatic parameters on radon concentration in natural waters
Örebro University, Department of Natural Sciences.ORCID iD: 0000-0002-2674-4994
Örebro University, Department of Natural Sciences.
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2004 (English)In: Applied Radiation and Isotopes, ISSN 0969-8043, E-ISSN 1872-9800, Vol. 60, no 1, p. 99-104Article in journal (Refereed) Published
Abstract [en]

Radon (222Rn) accumulation in water in relation to stable elements was studied for the purpose of determining factors influencing the transfer of 222Rn to and from water. In 72 groundwater samples, 222Rn and about 70 analytical parameters were analysed using radiometric and ICP-MS techniques. Using multivariate statistics (partial least squares), it was observed that 222Rn has a positive correlation with fluoride and uranium. The correlation with fluoride was further investigated by a laboratory time-scale experiment to measure the emanation of 222Rn from water as a function of fluoride, pH and carbonate. The transfer of 222Rn from water was measured by continuous monitoring in air in a closed loop set-up. It was observed that fluoride in water adhere or trap 222Rn preferably in acidic water (pH 3). It is suspected that natural physical processes (such as diffusion and microbubble phenomenon) are less effective to transport 222Rn in the presence of fluoride.

Place, publisher, year, edition, pages
2004. Vol. 60, no 1, p. 99-104
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Chemical Sciences
Research subject
Chemistry
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URN: urn:nbn:se:oru:diva-5199DOI: 10.1016/j.apradiso.2003.10.007OAI: oai:DiVA.org:oru-5199DiVA, id: diva2:158160
Available from: 2009-01-30 Created: 2009-01-30 Last updated: 2017-12-14Bibliographically approved

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Bäckström, MattiasKarlsson, Stefan

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