Determination of the Concentration of Radionuclide in Tomato Samples Collected from the North-East Region of Libya
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Concentration Ratio, Isotopic Analysis, 40k Concentrations, Radionuclides, Tomato
Abstract
The radioisotopic analysis of vegetation is vital. It acts as a tool in indicating contaminated vegetables, which are consumed by humans on a daily basis. Hence, isotopic analysis has become of interest worldwide, including in Libya. This work aims at measurement and evaluation of activity concentrations of radionuclides in tomato and corresponding soil samples in the northeast region of Libya. The concentration of radionuclides in the soil and tomato samples was measured using gamma spectroscopy described below. The radioactive analysis of soil shows the average activity concentration of 40K, 238U and 232Th series and 137Cs in soil are 100 Bq/kg, 15 Bq/kg, 20 Bq/kg, and 50 Bq/kg dry weight, respectively. The radioactive analysis of tomato samples showed that 40K is the only radionuclide detected with an average of dry weight. The average radionuclide concentration ratio (C.R.) of 40K for tomato is
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