Determination of naturally occurring radionuclides in selected rocks from Hetaunda area,central Nepal |
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| Authors: | Gabriela Wallova Kamala Kant Acharya Gabriele Wallner |
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| Institution: | 1.Institut für Anorganische Chemie,Universit?t Wien,Vienna,Austria;2.Central Department of Geology,Tribhuvan University,Kirtipur,Nepal |
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| Abstract: | The specific activities of the naturally occurring radionuclides 238U, 232Th, and 40K were measured in rock samples from the Hetaunda area, central Nepal, using gamma spectrometry. The specific activities were
found to be in the range of 17–95 Bq kg−1 for 238U, 24–260 Bq kg−1 for 232Th and 32–541 Bq kg−1 for 40K. From these data absorbed dose rates in air and annual effective doses were calculated and compared with respective data
from the UNSCEAR compilation. The results from our study open the door to the safe applicability of most of the investigated
materials as a cheep building material. |
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