Determination of Radionuclide’s Levels and Absorbed Dose for Soil, Rock, Plant and Water in Gondola – Libya
Walley El-Dine, Nadia; Amany T. Sroor; Samia.M. EL-Bahi; Hamad. M. Adress Hasan; Jemila Mussa Ali;
Abstract
Abstract: The levels of natural radioactivity in some soil, rock, plant and water samples collected from different locations of Gandula-Libya were measured. The radioactivity levels of 226Ra, 238U, 232Th and 40K were measured by direct γ‐ray spectrometry using HPGe detector. Based low background gamma-ray counting system with specially designed shield. The average radioactivity concentration in soil samples are 66.32, 59.52, 56.07 and 517.92 Bq.kg−1 for 226Ra, 238U, 232Th and 40K, respectively. For rocks the average activity concentrations of same radionuclides are 26.01, 23.39, 25.13 and 100.97 Bq.kg−1 respectively. In addition the average activity of 226Ra, 238U, 232Th and 40K for plants are 106.22, 95.49, 143.22 and 1255.82 Bq.kg−1, respectively. The activity concentrations in water of previous radionuclides 19.24, 16.78, 19.32 and 102.78Bq.L−1, respectively. The absorbed dose rate D, the annual outdoor effective dose Eout and excess lifetime cancer risk ELCR in this study are calculated. The results from this study have been compared with different countries of the world and the world average radioactivity in the same samples.
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| Title | Determination of Radionuclide’s Levels and Absorbed Dose for Soil, Rock, Plant and Water in Gondola – Libya | Authors | Walley El-Dine, Nadia ; Amany T. Sroor ; Samia.M. EL-Bahi ; Hamad. M. Adress Hasan ; Jemila Mussa Ali | Keywords | natural radioactivity,HPGe detector, soil, rock, plant, absorbed dose, excess life time cancer risk. | Issue Date | Aug-2018 | Journal | IOSR Journal of Applied Physics (IOSR-JAP) e-ISSN: 2278-4861. Volume 10, Issue 4 Ver.I ( Jul.-Aug.2018), 40-49 |
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