Journal of Radioanalytical and Nuclear Chemistry
Volume/Issue:
Volume 267: Issue 1
Determination of thoron and radon ratio by liquid scintillation spectrometry
Authors:
H. Yoshikawa Kanazawa University Kakuma-cho, Kanazawa, Ishikawa 920-1192, Japan; Address for correspondence: JAEA, 4-33 Muramatsu, Tokai-mura, Ibraki 319-1194, Japan

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T. Nakanishi Kanazawa University Kakuma-cho, Kanazawa, Ishikawa 920-1192, Japan

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H. Nakahara Tokyo Metropolitan University 1-1 Minami-Ohsawa, Hachioji, Tokyo 192-0397, Japan

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Pages:
195–203
Online Publication Date:
14 Jan 2006
Publication Date:
17 Dec 2005
Article Category:
Research Article
DOI:
https://doi.org/10.1007/s10967-006-0027-7
Restricted access

Summary  

A portable liquid scintillation counter was applied for the analysis of alpha-ray energy spectrum to determine the ratio of 220Rn/222Rn in fumarolic gas in the field. A surface-polished vial was developed, by which a Gaussian distribution could be approximated for the alpha-ray energy spectra and the peak areas of the nuclides could be estimated independently, because of the wide FWHM in the liquid scientillation pulse. A fumarolic gas sample was collected in Mt. Kamiyama (Hakoneyama geothermal field in Japan) having low 220Rn/222Rn ratio of 2.20±0.13.

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Cover Journal of Radioanalytical and Nuclear Chemistry
Journal of Radioanalytical and Nuclear Chemistry
Print ISSN:
0236-5731
Online ISSN:
1588-2780

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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)

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