Field measurement of radon exhalation rate from the soil by CR-39 detector

被引：5
|
作者：
Vasidov, A. [1 ]
机构：
[1] Uzbek Acad Sci, Inst Nucl Phys, Tashkent 702132, Uzbekistan
来源：
JOURNAL OF RADIOANALYTICAL AND NUCLEAR CHEMISTRY | 2014年 / 302卷 / 02期
关键词：
Radon; Thoron; Radon exhalation rate; CR-39 track detector; Soil; NATURAL RADIOACTIVITY; SAMPLES; AREAS;
D O I：
10.1007/s10967-014-3644-6
中图分类号：
O65 [分析化学];
学科分类号：
070302 ; 081704 ;
摘要：
Determination technique of radon exhalation rate (RER) from soils in field measured by track detector CR-39 was developed. For this purpose, the method "Russian dolls" (matrieshka) was created and used, consisting of three cylindrical plastic chambers and located inside each other. Entrance mouths of chambers are installed in opposite directions to make an artificial barrier up on the path of Rn-220. Field measurements of the RER from soils were within 16.4-22.1 Bq/m(2)h, that are 160 and 220 times more than laboratory measurement. The RER values from soils as laboratory and field measurements have been compared with the data of other authors.
引用
收藏
页码：919 / 923
页数：5
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