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A New Aluminium Container for <TEX>$\gamma$</TEX>-Ray Spectrometry Analysis of Radium and Radon
Analytical Science and Technology / Analytical Science and Technology, (P)1225-0163; (E)2288-8985
2000, v.13 no.6, pp.743-750
Lee,
K. Y., Yoon,
Y. Y., &
Seo,
B.
K.
(2000). A New Aluminium Container for <TEX>$\gamma$</TEX>-Ray Spectrometry Analysis of Radium and Radon. Analytical Science and Technology, 13(6), 743-750.
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Abstract
For the <TEX>${\gamma}$</TEX>-ray spectrometry analysis of radium and radon in environmental samples, plastic Marinelli beakers have been usually used. But, there are two problems; one is the increment of background by adsorption of airborne radon daughters on the plastic beaker, and other is the incompleteness of radioactive equilibrium by the loss of gaseous radon produced during the radioactive equilibrium process. In order to solve these problems, we made aluminium counting container, and investigated its characteristics. We investigated radioactive equilibrium process using the aluminium container. We found that both solid and liquid samples reached at radioactive equilibrium state in the aluminium container without loss of gaseous radon. By the use of the aluminium container, we established radon and radium analysis method of solid and liquid samples using gamma-ray spectrometry.
- keywords
- radioactive equilibrium, Marinelli beaker, aluminium container, environmental radioactivity, radon, radium, Ge detector
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