Elemental and Radioactivity Concentration of Stream Sediments in Abu-Rusheid, Nugrus Area – South Eastern Desert, Egypt
American Journal of Physics and Applications
Volume 3, Issue 6, November 2015, Pages: 183-189
Received: Sep. 16, 2015; Accepted: Oct. 7, 2015; Published: Oct. 20, 2015
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S. U. El-kameesy, Department of Physics, Faculty of Science, Ain Shams University, Cairo, Egypt
S. Y. Afifi, Nuclear Materials Authority (NMA), Cairo, Egypt
A. Hamid, Radiated Pollution Department, Hot Laboratories Center, Atomic Energy Authority, Egypt
Ali Ajeeb, Department of Physics, Faculty of Science, Ain Shams University, Cairo, Egypt
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As a part of the national survey to evaluate some strategic elements such as U, Mn, Fe and Cu we have undertaken a quantitative study to fulfill this target. Twenty sediment samples were collected from Abu Rusheid Area in South Eastern desert of Egypt. The concentrations of radium-226 and thorium-232 were determined by direct counting using a hyper pure germanium (HPGe) detector interfaced with a multi-channel analyzer (MCA) .The obtained results showed that the specific activity of 226Ra ranged from 65.71±16 to 208.2±20 Bq/kg and 232Th from 27.14±8.69 to 206.89±40.1 Bq/kg while 40K from 127.73 to 443.84 Bq/kg. These values are higher than the international recommended levels. The radium equivalent activity (Raeq), the absorbed dose rate (D), the external hazard index (Hex), the annual effective dose equivalent (AEDE) and the representative level index (Iγr) were also calculated and compared with the international recommended values. Additionally, X-ray fluorescence analysis for soil sample has been performed and considerable concentrations of Al, Fe, Mn and Zn has been found.
226Ra, 232Th, 40K, Norm, South Eastern, Absorbed Dose Rates, Radium Equivalent Activity, External Hazard Index
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S. U. El-kameesy, S. Y. Afifi, A. Hamid, Ali Ajeeb, Elemental and Radioactivity Concentration of Stream Sediments in Abu-Rusheid, Nugrus Area – South Eastern Desert, Egypt, American Journal of Physics and Applications. Vol. 3, No. 6, 2015, pp. 183-189. doi: 10.11648/j.ajpa.20150306.11
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