The affect of industrial activities on zinc in alluvial Egyptian soil determined using neutron activation analysis |
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Authors: | Abdel-Sabour M F Abdel-Basset N |
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Institution: | 1. Soil and Water Pollution Unit,Nuclear Research Center,Cairo,Egypt 2. Nuclear Physics Laboratory,Physics Department,Faculty of Girls,Ain Shams University,Cairo,Egypt |
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Abstract: | Thirty-two surface (0-20 cm) soil samples were collected from different locations in Egypt representing non-polluted, moderately and highly polluted soils. The aim of this study was to evaluate total Zn content in alluvial soils of Nile Delta in Egypt by using the delayed neutron activation analysis technique (DNAA), in the irradiation facilities of the first Egyptian research reactor (ET-RR-1). The gamma-ray spectra were recorded with a hyper pure germanium detection system. The well resolved gamma-ray peak at 1116.0 keV was efficiently used for 65Zn content determination. Zn content in non-polluted soil samples ranged between 74.1 and 103.8 ppm with an average of 98.5 +/- 5.1 ppm. Zn content in moderately polluted soils ranged between 136.0 and 232.5 ppm with an average of 180.1 +/- 32.6 ppm. The highest Zn levels ranging from 240.0 and 733.0 ppm with an average of 410.3 +/- 54.4 ppm, were observed in soil samples collected from, either highly polluted agricultural soils exposed to prolonged irrigation with industrial wastewater or surface soil samples from industrial sites. |
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Keywords: | elemental analysis pollution neutron activation analysis |
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