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Natural radioactivity studies of Bidar soil samples using gamma spectrometry

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Abstract

The activity of the terrestrial primordial radionuclides 226Ra, 232Th and 40K are measured for Bidar soil samples. The collected soil samples are analyzed using HPGe detector based on high resolution gamma spectrometric system. The activity of the three radionuclides 226Ra, 232Th and 40K were found to be in the range of BDL–47.68, 7.65–59.08 and BDL–260.65 Bq kg−1 respectively. The mean gamma absorbed dose rate in air above 1 m from ground is estimated to be 34.47 nGy h−1. Annual effective dose equivalent and the radium equivalent activity were within the limits in the present study and it is found that the activity of the radionuclides are comparable with the worldwide literature values. Also the external hazard indices for the soil samples of Bidar district were within the limit of unity.

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Acknowledgments

The authors express their deep sense of gratitude to Board of Research in Nuclear Science (BRNS) for providing the financial support to carry out this work. The authors are also thankful to Dr. D N Sharma, Director, HS&E Group, BARC, Mumbai for his continuous guidance and encouragement for the work.

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Authors and Affiliations

  1. Department of Physics, Gulbarga University, Gulbarga, 585 106, Karnataka, India

    T. Rajeshwari, S. Rajesh & B. R. Kerur

  2. Radiation Safety Systems Division, Bhabha Atomic Research Centre, Mumbai, 400 085, India

    S. Anilkumar, Narayani Krishnan & Amar D. Pant

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  1. T. Rajeshwari
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  2. S. Rajesh
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  3. B. R. Kerur
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  4. S. Anilkumar
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  6. Amar D. Pant
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Correspondence to B. R. Kerur.

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Rajeshwari, T., Rajesh, S., Kerur, B.R. et al. Natural radioactivity studies of Bidar soil samples using gamma spectrometry. J Radioanal Nucl Chem 300, 61–65 (2014). https://doi.org/10.1007/s10967-014-2947-y

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  • DOI: https://doi.org/10.1007/s10967-014-2947-y

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