期刊
RADIATION MEASUREMENTS
卷 34, 期 1-6, 页码 385-390出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/S1350-4487(01)00191-3
关键词
Rn-222; Ra-226; geothermal waters; bottled mineral waters; radamon radon monitor; gamma-spectrometry; emanation method
Geothermal waters have been used on a large scale for bathing, drinking and medical purposes, while the consumption of bottled mineral waters is increasing. In this work, radon and radium activity concentrations of thermal and bottled mineral waters, originating from different regions of Hungary, were studied by different radioanalytical methods. It was found that the thermal springs, which supply the world famous baths of Budapest along the right riverside of the Danube, have high Rn-222 and Ra-226 activity concentration: up to about 100 and 1 kBq m(-3), respectively. The radium content of some investigated geothermal waters found in the NE region of the Great Hungarian Plain is even higher: up to several kBq m(-3). The Ra-226 content of bottled mineral waters, commercially available in Hungary, was determined by gamma-spectrometric method, applying radiochemical separation. The highest value exceeded 2 kBq m(-3) in the case of the Apenta mineral water, which is a popular brand in Hungary, as well as in Europe and North America. (C) 2001 Elsevier Science Ltd. All rights reserved.
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