辐射研究与辐射工艺学报2026，Vol.44Issue(4)：130-138,9.DOI:10.11889/j.1000-3436.2026-0025
山西省城市生活饮用水中总α放射性、总β放射性、铀和镭-226含量的调查与分析
Investigation and analysis of gross alpha,gross beta,uranium and 226Ra levels in urban drinking water of Shanxi Province
杜滢鑫 1郭一言 1赵丹 1王爱一 1李小倩 1靳璐1
作者信息
- 1. 山西省生态环境监测和应急保障中心(山西省生态环境科学研究院) 太原 030027
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摘要
Abstract
To assess the current status of radioactivity levels in centralized drinking water sources across Shanxi Province and to identify the primary contributors of gross alpha radioactivity in drinking water,this study determined the activity concentrations of gross alpha and gross beta in drinking water samples from 11 cities across the province,using the thick source method.Uranium concentration was measured via laser-induced fluorescence,and the activity concentration of 226Ra was quantified using the emanation method.The results indicated that the gross alpha activity concentration(detected value)ranged from less than 0.058 Bq/L to 0.284 Bq/L,and the gross beta activity concentration ranged from 0.071 Bq/L to 0.209 Bq/L.Both were lower than the limits specified in"Standards for Drinking Water Quality"(GB 5749―2022),indicating the absence of radioactive contamination in centralized drinking water across Shanxi Province.Uranium concentrations varied between 0.37 μg/L and 18.05 μg/L,and 226Ra activity concentrations(detected value)ranged from 1.74 mBq/L to 16.7 mBq/L,which are consistent with the results of the national survey on environmental natural radioactive levels.Notably,the dominant sources of gross alpha radioactivity in groundwater differ significantly among cities.In Yangquan City,the gross alpha radioactivity in groundwater is mainly derived from 226Ra;in Xinzhou City,uranium isotopes are the predominant contributors;whereas in Jinzhong and Lüliang Cities,gross alpha radioactivity arises from the combined contributions of both 226Ra and uranium isotopes.关键词
饮用水/总α放射性/总β放射性/铀/镭-226Key words
Drinking water/Gross alpha activity/Gross beta activity/Uranium/226Ra分类
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杜滢鑫,郭一言,赵丹,王爱一,李小倩,靳璐..山西省城市生活饮用水中总α放射性、总β放射性、铀和镭-226含量的调查与分析[J].辐射研究与辐射工艺学报,2026,44(4):130-138,9.
