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Journal of Radioanalytical and Nuclear Chemistry

, Volume 298, Issue 3, pp 1899–1905 | Cite as

Uranium isotopes in carbonate aquifers of arid region setting

  • Dalal M. Alshamsi
  • Ahmed A. Murad
  • Ala Aldahan
  • Xiaolin Hou
Article

Abstract

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 238U and 235U 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 235U 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.

Keywords

Radioactivity Uranium isotopes Carbonate aquifers Arid region UAE Oman 

Notes

Aknowledgments

The authors thank the Emirates Foundation for generous financial support to part of the study. We also thank Osman Abdulla and Rashid Al Ibri from Sultan Qaboos University for the help with sampling groundwater in Oman.

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Copyright information

© Akadémiai Kiadó, Budapest, Hungary 2013

Authors and Affiliations

  • Dalal M. Alshamsi
    • 1
  • Ahmed A. Murad
    • 1
  • Ala Aldahan
    • 1
    • 2
  • Xiaolin Hou
    • 3
    • 4
  1. 1.Department of GeologyUnited Arab Emirates UniversityAl AinUAE
  2. 2.Department of Earth SciencesUppsala UniversityUppsalaSweden
  3. 3.Center for Nuclear Technologies, Technical University of DenmarkRoskildeDenmark
  4. 4.Xi’an AMS Centre and SKLLQG, Institute of Earth Environment, CASXi’anChina

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