Authors:
A. Wicke Strahlenzentrum der Justus-Liebig-Universität Giessen Leihgesterner Weg 217 D-6300 Giessen (BRD)

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J. Porstendörfer Strahlenzentrum der Justus-Liebig-Universität Giessen Leihgesterner Weg 217 D-6300 Giessen (BRD)

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Abstract  

A sensitive technique is described, which permits, without chemical treatment, detection of radium (226Ra) in water in concentrations as low as 0.01 pCi·1−1. The determination is based on the emanation of radium daughter radon (222Rn) after it has achieved the radioactive equilibrium; it is then counted in a scintillation chamber. This procedure was applied to water samples from public water supplies in Hessia, Germany, for routine measurements. The radium concentration of 205 samples show log-normal distribution with a mean value of 0.11 pCi·1−1 and a geometric standard deviation of 2.6. Significantly higher results, between 0.12 and 14.6 pCi·1−1, were obtained for several samples of commercially available mineral water.

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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)