@article{LU2025, 
author = {Xiufang LU and Ping XIE and Yingyu WU and Jiajie Lei and Yilong Ma and Lanying Feng and Xinchun ZHAO},
title = {90Sr radioactivity in food in Guangxi from 2012 to 2022},
year = {2025},
journal = {Journal of Capital Normal University (Natural Science Edition)},
volume = {46},
number = {1},
pages = {55-60},
keywords = {90Sr, radioactivity level, intake, annual internal exposure dose},
url = {https://www.sciopen.com/article/10.19789/j.1004-9398.2025.01.007},
doi = {10.19789/j.1004-9398.2025.01.007},
abstract = {In order to know well the level of 90Sr in food in Guangxi Zhuang Autonomous Region, the content of 90Sr ingested by adults in Guangxi and the resulting annual exposure dose were estimated. The 90Sr level in 161 food samples from 7 categories was monitored using the method of dichroic-(2-ethylhexyl) phosphate extraction chromatography, and the monitoring results were summarized and analyzed in this paper. A total of 161 food samples were detected, 136 of which were higher than the minimum detection limit with a rate of 84.5%. The specific activity of samples ranged from 0.006 to 8.801 Bq/kg. The 90Sr specific activity of tea was the highest, with an average value of 2.880 Bq/kg and a detection range from 0.177 to 8.801 Bq/kg. The results of 161 food samples tested from 2012 to 2022 were all lower than the national standard limit. The 90Sr ingestion of adults from these foods was 45.7 Bq, far lower than the national health standard limit(3.5×104 Bq). The annual exposure dose of adult was 1.270 μSv, and the dose burden of population was slight.}
}