Abstract
Uranium concentrations in soil were determined for ten locations in Salahdin governorate using CR-39 track detector, fission fragments track technique was used, the nuclear reaction of nuclear fission fragments obtained by the bombardment of 235U with thermal neutrons from (Am-Be) neutron source with flux (5000n.cm-2.s-1), the concentration values were calculated by a comparison with standard samples. The results of the measurements show that the uranium concentration in soil samples various from 0.42±0.018ppm in Beji province to 0.2±0.014 ppm in Tooz province with an average (0.31±0.08ppm), the values of uranium concentration in all samples are within the permissible limits universally.
Highlights
Uranium concentrations in soil were determined for ten locations in Salahdin governorate using CR-39 track detector
the nuclear reaction of nuclear fission fragments obtained by the bombardment of 235U
the concentration values were calculated by a comparison with standard samples
Summary
يتناول البحث قياس تركيز اليورانيوم في التربة لبعض الاقيية التابعة لححافةة للا اليي بأستعحال كاشف الاثر CR-39حيث تم قياس تركيز اليورانيوم في عشرة نحاذج م التربة بأستعحال تقنية عي آثار شةايا الانشطار الناتجة م انشطار نواة اليورانيوم 235-بالنيوترنات الحرارية م الحصير النيوتروني ()Am-Be بفيض نيوتروني حراري ( ،)5000n.cm- 2s-1وتم تحييي تراكيز اليورانيوم بالطريقة النسبية مع ما تعطي النحاذج الجيولوجية القياسية .كانت نتائج تركيز اليورانيوم في التربة تتراو بي )
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