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Measurement of Specific Activity of Natural Radionuclides in Beach Sand Samples
Collected from Praphat Beach Kumpuan Sub-district, Suksamran District, Ranong
Province, Thailand
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and Prasong Kessaratikoon
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Abstract
Specific activity of natural (
40
K,
226
Ra andǰ
232
Th) radionuclides in 40 beach sand samples
collected from Praphat beach Kumpuan sub-district, Suksamran district, in Ranong province, Thailand,
have been measured and analyzed. Experimental results were obtained by using a high–purity
germanium (HPGe) detector and gamma spectrometry analysis system at Nuclear Physics laboratory in
Department of Physics, Faculty of Science, Prince of Songkhla University, Hatyai Campus. It was found
that specific activities ranged from 31.24 – 118.41,ǰ10.80ǰ–ǰ94.92 and 6.62 – 41.04 Bq/kg with mean
values of 66.56 ± 2.49,ǰ41.05 ± 1.03 andǰ18.33 ± 0.63 Bq/kg, respectively. Moreover, the results were
also compared with the Office of Atoms for Peace (OAP) annual report data, research data in Thailand
and worldwide data.
Keywords:
Beach Sand, Specific Activity, High–Purity Germanium (HPGe) Detector, Gamma
Spectrometry
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Corresponding author: Tel : 081-5423598 , E-mail address:
