Amany T. Sroor, Saher M. Darwish, Samia M. El-Bahi, Mohamed G. Abdel Karim
Abstract:The background level of radiation in the natural environment surrounds us at all times. Levels of natural occurring radioactivity in marble and granite used at Shak El Thouban industrial zone in Cairo, Egypt have been investigated using HPGe detector through gamma-ray spectrometry. The activity concentration of radionuclides in the 238 U-, 232 Th-series and 40 K has been determined. The average activity concentration of 238 U, 232 Th and 40 K for marble samples was 23.77 Bq/kg ranged from (10.91 to 45.4), 10.7…
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