临汾市居民饮用水及去离子饮用水中总天然α-放射性剂量评估

摘要

Gross natural alpha radioactivity in drinking water and ion-removed drinking water in Linfen City is investigated by using nuclear emulsion detector made in Institute of Modern Physics,Shanxi Normal University.The experimental results indicate that the gross natural alpha radioactivity in drinking water and ion-removed drinking water are 0.92±0.04Bq/L and 0.75±0.02Bq/L respectively,which is higher than the national recommended standard value(GB 5749-2005) 0.5Bg/L.%利用山西师范大学现代物理研究所生产的电子全灵敏乳胶对临汾市居民饮用水及去离子饮用水中总天然α-放射性剂量进行了实验研究.实验结果表明临汾市居民饮用水及去离子饮用水中总天然α-放射性剂量分别为0.92±0.04 Bq/L和0.75±0.02 Bq/L,此值高于国标GB 5749-2005推荐的生活饮用水总α放射性剂量值0.5 Bq/L。