Effect of soil and sand moisture content on radon diffusion using plastic track etched detector

被引：10
|
作者：
Singh, B
Virk, HS
机构：
[1] Department of Physics, Guru Nanak Dev University
来源：
RADIATION MEASUREMENTS | 1996年 / 26卷 / 01期
关键词：
D O I：
10.1016/1350-4487(95)00255-3
中图分类号：
TL [原子能技术]; O571 [原子核物理学];
学科分类号：
0827 ; 082701 ;
摘要：
Radon diffusion from soil and sand has been studied as a function of moisture content of soil and sand using plastic track etched detectors (LR-115 type II). It is observed that in soil and sand as the percentage of water is increased from dry state to 21% and 26%, respectively, a slow decrease in radon concentration (295 to 250 and 315 to 240 Bq/1) takes place; thereafter it reduces sharply to 27 and 50 Bq/1 when soil and sand become saturated (25% and 40% water). The water-saturated soil and sand give the lowest concentration because of the much lower diffusion coefficient of radon through water.
引用
收藏
页码：49 / 50
页数：2
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