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Uranium isotopes in carbonate aquifers of arid region setting
Uppsala University, Disciplinary Domain of Science and Technology, Earth Sciences, Department of Earth Sciences, LUVAL.
2013 (English)In: Journal of Radioanalytical and Nuclear Chemistry, ISSN 0236-5731, E-ISSN 1588-2780, Vol. 298, no 3, 1899-1905 p.Article in journal (Refereed) Published
Abstract [en]

Groundwater in arid and semiarid regions is vital resource for many uses and therefore information about concentrations of uranium isotopes among other chemical parameters are necessary. In the study presented here, distribution of U-238 and U-235 in groundwater of four selected locations in the southern Arabian peninsula, namely at two locations within the United Arab Emirates (UAE) and two locations in Oman are discussed. The analyses of the uranium isotopes were performed using ICP-MS and the results indicated a range of concentrations for U-235 and (238) U at 3-39 ng L-1 (average: 18 ng L-1) and 429-5,293 ng L-1 (average: 2,508 ng L-1) respectively. These uranium concentrations are below the higher permissible WHO limit for drinking water and also comparable to averages found in groundwater from similar aquifers in Florida and Tunisia. Negative correlation between rainfall and uranium concentrations suggests that in lithologically comparable aquifers, climate may influence the concentration of uranium in subtropical to arid regions.

Place, publisher, year, edition, pages
2013. Vol. 298, no 3, 1899-1905 p.
Keyword [en]
Radioactivity, Uranium isotopes, Carbonate aquifers, Arid region, UAE, Oman
National Category
Natural Sciences
URN: urn:nbn:se:uu:diva-213474DOI: 10.1007/s10967-013-2558-zISI: 000327248400054OAI: oai:DiVA.org:uu-213474DiVA: diva2:682898
Available from: 2013-12-30 Created: 2013-12-23 Last updated: 2013-12-30Bibliographically approved

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