Journal of Radioanalytical and Nuclear Chemistry
Volume/Issue:
Volume 254: Issue 2
Determination of low-level 54Mn in soils by ultra low-background gamma-ray spectrometry after radiochemical separation
Authors:
Y. Murata Kanazawa University Low Level Radioactivity Laboratory Wake, Tatsunokuchi, Ishikawa 923-1224 Japan

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M. Yamamoto Kanazawa University Low Level Radioactivity Laboratory Wake, Tatsunokuchi, Ishikawa 923-1224 Japan

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K. Komura Kanazawa University Low Level Radioactivity Laboratory Wake, Tatsunokuchi, Ishikawa 923-1224 Japan

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Pages:
249–253
Online Publication Date:
01 Nov 2004
Publication Date:
17 Nov 2002
Article Category:
Research Article
DOI:
https://doi.org/10.1023/a:1021607412749
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Abstract  

An analytical method was developed for the measurement of low-level 54Mn in soil sample by ultra low-background g-ray spectrometry after radiochemical separation. The method consists of decomposition of sample by a mixture of HNO3 and HF, dissolution by HNO3, precipitation as hydroxide, solvent extraction with diisopropyl ether and anion exchange. Finally, for purification of Mn it was precipitated as MnO2 by adding KClO3. 54Mn in the precipitate was measured by ultra low-background well-type Ge detector at Ogoya Underground Laboratory. Measurements of 54Mn using 30-200 g of soil samples from the JCO grounds were successfully performed by the present method. The minimum detectable activity of 54Mn was about 0.01 dpm (0.2 mBq) for a 7-day counting period.

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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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