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- Title
Determination and differentiation of <sup>226</sup>Ra and <sup>222</sup>Rn by gamma-ray spectrometry in drinking water.
- Authors
Küsters, M.; Schraven, W.
- Abstract
The analysis of 226Ra in natural waters can be tedious and time-consuming. For the determination and differentiation of activities of 226Ra and 222Rn in drinking water by γ-ray spectrometry a simple and fast method is presented. Activities of 226Ra > 0.5 Bq L−1 can be determined according to stabilization of the sample without further procedures. For a more sensitive detection sample volumes of up to 5 litres are applicable by a rapid precipitation procedure without large expenditure. Further laborious enrichment methods are not necessary. Thus, detection limits of 0.1 Bq L−1 can be obtained when using sample volumes of 5 litres. Therefore the method is suitable for the monitoring of radioactivity in drinking water samples in accordance with the legal guidance of the European Union.
- Subjects
GAMMA ray spectrometer; RADIUM; RADON; RADIOACTIVITY; DRINKING water; EUROPEAN Union
- Publication
Journal of Radioanalytical & Nuclear Chemistry, 2009, Vol 280, Issue 3, p475
- ISSN
0236-5731
- Publication type
Article
- DOI
10.1007/s10967-009-7460-3