摘要
为解决活性炭盒测量室内氡浓度其结果受环境湿度影响大的问题,采用扩散垒和高性能活性炭等手段,研究开发了适用于高湿度环境下的活性炭盒采样器。采用该采样器,在环境湿度95%、采样时间2~5天的条件下,氡浓度的测量误差和灵敏度均符合国家标准GB 50325《民用建筑工程室内污染控制规范》的要求。在采样时间为72小时的情况下,氡浓度的探测下限为10 Bq/m3。
To address the notable effects of humidity on radon measurement using activated charcoal canister,diffusion barrier and activated charcoal with high adsorption coefficient were adopted to develop an activiated charcoal canister sampleradapted for hight hunidity conditions. Under an ambient humidity of 95% and a sampling time of 2—5 days,the sensitivity and error of the radon measurements comply with the requirements of 'Code for Indoor Environmental Pollution Control of Civil Building Engineering'( GB 50325). Providing with a sampling time of 72 h,the sampler's lower limit of radon detection is 10 Bq / m3.
出处
《辐射防护》
CAS
CSCD
北大核心
2015年第3期188-192,共5页
Radiation Protection
关键词
氡浓度
活性炭盒
扩散垒
湿度
radon concentration
activated charcoal canisters
diffusion barrier
humidity
