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தொகுதி 12, பிரச்சினை 9 (2021)

முழு நீள ஆராய்ச்சி தாள்

Evaluating the Radiation Dose Hazardous Indexes Using Hpge Detector in Sekota, Ethiopia

Baye Zinabe Kebede

This research paper desired to illustrate the presence of naturally occurring radioactive minerals concentration and the way how naturally occurring radioactive minerals were identified in Wag-himra iron ore deposit soil site. The deposit area covers five Kebelles of the border of Sekota wereda, Ziquale and Abergelle wereda. We were used HPGe detector to identify the presence of natural occurring radioactivity concentration in iron ore/alloy deposit soil, and applied appropriate research methodology particularly experimental design were more preferable. The researcher was collected samples from ten places across iron ore deposit area by using critical sampling techniques and prepared as a desirable manner. The chosen sample was sealed for four weeks in order to obtain secular equilibrium, wherein the rate of decay of the daughters’ equivalent that of the parent. Radium equivalent activity, external hazard index and representative gamma index of the sample were 56.19 Bq/kg,0.1515 Bq/kg,0.804 Bq/kg,0.408Bq/kg,0.00011 Bq/kg respectively. However, internal hazard index was slightly approaching to recommended value and it may cause the significant radiation hazard through long dwelling to the area.

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