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Updated: May 25, 2026

Speciation and Bioavailability Measurements of Environmental Plutonium Using Diffusion in Thin Films
Published on: November 9, 2015
Basic principles for the development of a common standardised method for determining the radon diffusion coefficient
Martin Jiránek1, Kateřina Rovenská
1Faculty of Civil Engineering, Czech Technical University of Prague, Thákurova 7, Praha 6, Czech Republic.
Abstract:
Paper presents the principles for unified test methods for determining the radon diffusion coefficient in waterproof materials in order to increase the accuracy, repeatability and reproducibility of the results. We consider this very important, because an assessment of the radon diffusion coefficient is required by several national technical standards when waterproofing acts as a radon-proof membrane. The requirements for key parameters for one test method performed under non-stationary conditions and for two methods performed under stationary conditions are described in this paper.
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