Authors:
Yong-Jae Kim Korea Institute of Nuclear Safety Department of Radiation Environmental Assessment Yusong P.O. Box 114 305-608 Taejon Korea

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Chang-Kyu Kim Korea Institute of Nuclear Safety Department of Radiation Environmental Assessment Yusong P.O. Box 114 305-608 Taejon Korea

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Cheol-Su Kim Korea Institute of Nuclear Safety Department of Radiation Environmental Assessment Yusong P.O. Box 114 305-608 Taejon Korea

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Ju-Yong Yun Korea Institute of Nuclear Safety Department of Radiation Environmental Assessment Yusong P.O. Box 114 305-608 Taejon Korea

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Byung-Hwan Rho Korea Institute of Nuclear Safety Department of Radiation Environmental Assessment Yusong P.O. Box 114 305-608 Taejon Korea

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Abstract  

A time-saving and accurate technique for determining226Ra in groundwater and soil was examined, using high-resolution inductively coupled plasma-mass spectrometry (HR-ICP-MS). The technique was applied to the determination of226Ra in groundwater and soil samples and compared with the conventional liquid scintillation counting method. This technique was capable of completing226Ra counting within 3 minutes, without the in-growth period to allow radon and its progeny to achieve secular equilibrium with the parent226Ra. The detection limits of HR-ICP-MS for226Ra in groundwater and soil were 0.19 mBq·1−1 and 0.75 Bq·kg−1, respectively, which were about 10 times lower than that of the liquid scintillation counter. The results obtained from HR-ICP-MS in groundwater and soil were in accordance with those of LSC within a relative error of about 13%.

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Journal of Radionalytical and Nuclear Chemistry
Language English
Size A4
Year of
Foundation
1968
Volumes
per Year
1
Issues
per Year
12
Founder Akadémiai Kiadó
Founder's
Address
H-1117 Budapest, Hungary 1516 Budapest, PO Box 245.
Publisher Akadémiai Kiadó
Springer Nature Switzerland AG
Publisher's
Address
H-1117 Budapest, Hungary 1516 Budapest, PO Box 245.
CH-6330 Cham, Switzerland Gewerbestrasse 11.
Responsible
Publisher
Chief Executive Officer, Akadémiai Kiadó
ISSN 0236-5731 (Print)
ISSN 1588-2780 (Online)