| TIAN Qing,JI Yan-qin,YIN Liang-liang,et al.Determination of uranium concentrations and isotopic ratios in drinking water in Xilingol League of Inner Mongolia by ICP-MS[J].Chinese Journal of Radiological Medicine and Protection,2013,33(3):306-309 |
| Determination of uranium concentrations and isotopic ratios in drinking water in Xilingol League of Inner Mongolia by ICP-MS |
| Received:December 28, 2012 |
| DOI：10.3760/cma.j.issn.0254-5098.2013.03.022 |
| KeyWords:Uranium Inductively coupled plasma mass spectrometry (ICP-MS) Isotope ratios Drinking water |
| FundProject:卫生行业科研专项(201002009) |
| Author Name | Affiliation | E-mail | | TIAN Qing | Key laboratory of Radiological Protection and Nuclear Emergency, China CDC, National Institute for Radiological Protection, Chinese Center for Disease Control and Prevention, Beijing 100088, China | | | JI Yan-qin | Key laboratory of Radiological Protection and Nuclear Emergency, China CDC, National Institute for Radiological Protection, Chinese Center for Disease Control and Prevention, Beijing 100088, China | jiyanqin@nirp.cn | | YIN Liang-liang | Key laboratory of Radiological Protection and Nuclear Emergency, China CDC, National Institute for Radiological Protection, Chinese Center for Disease Control and Prevention, Beijing 100088, China | | | SHAO Xian-zhang | Key laboratory of Radiological Protection and Nuclear Emergency, China CDC, National Institute for Radiological Protection, Chinese Center for Disease Control and Prevention, Beijing 100088, China | | | SHEN Bao-ming | Key laboratory of Radiological Protection and Nuclear Emergency, China CDC, National Institute for Radiological Protection, Chinese Center for Disease Control and Prevention, Beijing 100088, China | | | BAI Gui-lin | 内蒙古自治区锡林郭勒盟疾病预防控制中心 | | | WANG Cheng-guo | 内蒙古自治区疾病预防控制中心 | |
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| Abstract:: |
| Objective To ascertain the uranium concentrations and uranium isotopic ratios in drinking water in Xilingol League, the Inner Mongolia Autonomous Region.Methods Drinking water samples were collected in Xilingol League, the Inner Mongolia Autonomous. Region inductively coupled plasma mass spectrometry (ICP-MS) was applied to determine the concentration of uranium and uranium isotope abundance. Results The uranium concentrations in all samples were in the range of 2.73-18.9 μg/L, with an average of 8.20 μg/L. The234U/238U isotope ratio varied from 7.513×10-5 to 3.003×10-4 and235U/238U from 7.196×10-3 to 7.391×10-3. The relative standard deviation (RSD) was less than 0.5% for234U/238U and 0.2% for235U/238U. Conclusions The uranium concentration in samples collected from Dongwuqi was high than 15 μg/L, whih is the limit given by World Health Organization (WHO). The uranium in drinking water originates from the natural environment. The234U is enriched in drinking water. |
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