Field measurement of the 218Po, 214Pb and 214Bi concentrations in typical indoor and outdoor environments in Beijing

被引：2
|
作者：
Zhao, Tongke [1 ]
Zhang, Lei [1 ,2 ]
Guo, Qiuju [1 ]
Dong, Wenbin [3 ]
机构：
[1] Peking Univ, Sch Phys, State Key Lab Nucl Phys & Technol, Beijing 100871, Peoples R China
[2] State Key Lab NBC Protect Civilian, Beijing 102205, Peoples R China
[3] Dalian Naval Acad, Dalian 116018, Peoples R China
来源：
JOURNAL OF RADIOANALYTICAL AND NUCLEAR CHEMISTRY | 2017年 / 313卷 / 02期
基金：
美国国家科学基金会;
关键词：
Radon progeny; Concentration ratio; EEC; Field measurement; Exposure assessment; Air exchange rate; RADON; RADIATION;
D O I：
10.1007/s10967-017-5309-8
中图分类号：
O65 [分析化学];
学科分类号：
070302 ; 081704 ;
摘要：
The activity concentrations of Po-218, Pb-214 and Bi-214 [i.e. C(Po-218), C(Pb-214), and C(Bi-214)] and the calculated concentration ratios [i.e. 1:C(Pb-214)/C(Po-218):C(Bi-214)/C(Po-218)] are necessary for assessing radon and its progenies exposure. In this study, a measurement method of radon progenies concentrations with both high sensitivity and low uncertainty, was developed based on the Kerr method. The field measurement results of radon progeny concentrations and calculated concentration ratios in both typical indoor and outdoor environments in Beijing, China, were reported. The effects of air exchange rate on concentration ratios of radon progenies in indoor environments were discussed.
引用
收藏
页码：379 / 384
页数：6
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