Distribution characteristics and radiotoxicity risks of radium-226 (226Ra) in groundwater from Wanbei Plain, China

被引：5
作者：
Hu, Yunhu [1 ,2 ,3 ]
Yan, Shoule [1 ]
Xia, Chengli [1 ]
Dong, Zhongbing [1 ]
Liu, Guijian [3 ]
机构：
[1] Natl Ctr Coal Chem Prod Qual Supervis Inspect, Huainan 232001, Peoples R China
[2] Huainan Normal Univ, Sch Chem & Mat Engn, Huainan 232038, Peoples R China
[3] Univ Sci & Technol China, Sch Earth & Space Sci, Hefei 230026, Peoples R China
来源：
JOURNAL OF RADIOANALYTICAL AND NUCLEAR CHEMISTRY | 2017年 / 311卷 / 03期
基金：
中国博士后科学基金;
关键词：
Wanbei Plain; Groundwater; Ra-226; Radiological risk; MICROWAVE-INDUCED COMBUSTION; RIO-DE-JANEIRO; RADIUM ISOTOPES; IODINE DETERMINATION; DRINKING-WATER; HEAVY-METALS; URANIUM; RADON; DISCHARGE; SAMPLES;
D O I：
10.1007/s10967-017-5186-1
中图分类号：
O65 [分析化学];
学科分类号：
070302 ; 081704 ;
摘要：
A total of 52 groundwater samples from four cities in the Wanbei Plain were collected to determine the activity concentration and radiotoxicity risk of Ra-226. The activity concentrations of Ra-226 were determined by using alpha spectrometry. Results show that the geometric activity concentrations of Ra-226 was 15.24 mBq/L. The mean annual effective dose from Ra-226 was 5.03 x 10(-4) mSv, and less than the international standard of annual effective dose proposed by Council Directive. Meanwhile, cancer mortality risk and lifetime annual daily dose of Ra-226 through intake are quite low when compared with the recommend limit.
引用
收藏
页码：2079 / 2084
页数：6
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