Multi-element determination in sandstone rock by instrumental neutron activation analysis |
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| Authors: | H M Mahmoud A G E Abbady M A Khairy A S Abdehalim A El-Taher |
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| Institution: | (1) Physics Department, Faculty of Science, South Valley University, Qena, Egypt;(2) Physics Department, Faculty of Science, South Valley University, Qena, Egypt;(3) Physics Department, Faculty of Science, Almonofia University, Egypt;(4) Radioactive Environmental Pollution Department, Hot Laboratories Centre, Egyptian Atomic Energy Authority, P.O. Box 13759, Cairo, Egypt;(5) Physics Department, Faculty of Science, Al-Azher University, Assuit, Egypt |
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| Abstract: | Summary Instrumental neutron activation analysis (INAA) was used for the qualitative and quantitative analysis of sandstone samples of Aswan area, in South Egypt. The samples were properly prepared together with standards and simultaneously irradiated by a neutron flux of 7 . 1011 n . cm-2.s-1. in the TRIGA research reactor facilities in Mainz. The gamma-spectra from a hyperpure germanium HPGe detector were analyzed. The present study provides the basic data of elemental concentrations of a sandstone rock. The following elements have been determined: Na, K, Fe, Sc, Cr, Co, Zr, Ce, La, Nd, Sm, Eu, Yb, Lu, Hf, Ta, Th and U. Energy dispersive X-ray fluorescence (EDXRF) was used for comparison and to detect elements which can be detected only by this method. |
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