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IJPAP Vol.48(07) [July 2010] >


Title: Testing permeability of building materials for radon diffusion
Authors: Narula, A K
Chauhan, R P
Chakarvarti, S K
Keywords: Radon
Permeability
Diffusion
LR-115 detectors
Issue Date: Jul-2010
Publisher: CSIR
Abstract: The diffusion coefficient and length for some building construction materials like limestone powder, sandstone, granite, crasher, soil, sand, cement, fly ash, gypsum, wall putty have been calculated. The diffusion of radon gas through these materials has been carried out under a control study. Uranium ore has been used as radon source and LR-115 solid-state nuclear track detectors are used to record alpha tracks due to diffusion of radon at different heights from the source. The results indicate that the diffusion coefficient and length of radon gas in building materials are the measure of its permeability through that medium.
Page(s): 505-507
ISSN: 0975-1041 (Online); 0019-5596 (Print)
Source:IJPAP Vol.48(07) [July 2010]

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