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Dissertation Chapters | Physics Science | Iraq | Volume 4 Issue 11, November 2015 | Popularity: 6.1 / 10

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Determine the Natural Radioactivity of the Sediment Wetlands in the Sea of Najaf, Iraq

Tahani M. Kadhim, Heiyam N. Majeed

Abstract: The natural radiation of seven sediment samples in the An Najaf Sea which collected randomly have been studied. they were measured using 33 Na (Tl) detection. The mean values concentrations of 238U, 232Th and 40K was (8.621 0.352, 0.353 0.017 and 446.535 4.833) Bq kg-1 respectively. specific activity for all soil sample were in the worldwide average. The average values of the Radium equivalent activity and annual effective dose were (43.509 0.750 Bq/kg and 22.822 0.375 Sv/y) less than the world average The heist external and internal hazard and gamma activity concentration index were (0.09748, 0.113636 and 0.298963) lower than unity.

Keywords: Gamma ray spectrometry, Na Tl detector, Raeq activities and annual effective dose

Edition: Volume 4 Issue 11, November 2015

Pages: 1320 - 1324

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