伊朗中部部分沙漠地区水样中的（226）Ra、（232）Th 和（40）K 含量及其对人体的潜在辐射风险。
(226)Ra, (232)Th and (40)K contents in water samples in part of central deserts in Iran and their potential radiological risk to human population.
机构信息
Department of Physics, Faculty of Science, University of Isfahan, Isfahan, Iran.
Department of Nuclear Engineering, Faculty of Advanced Sciences & Technologies, University of Isfahan, Isfahan, Iran.
出版信息
J Environ Health Sci Eng. 2014 May 1;12:80. doi: 10.1186/2052-336X-12-80. eCollection 2014.
BACKGROUND
The radiological quality of (226)Ra, (232)Th and (40)K in some samples of water resources collected in Anarak-Khour a desertic area, Iran has been measured by direct gamma ray spectroscopy using high purity germanium detector in this paper.
RESULT
The concentration ranged from ≤0.5 to 9701 mBq/L for (226)Ra; ≤0.2 to 28215 mBq/L for (232)Th and < MDA to 10332 mBq/L for (40)K. The radium equivalent activity was well below the defined limit of 370Bq/L. The calculated external hazard indices were found to be less than 1 which shows a low dose.
CONCLUSION
These results can be contributed to the database of this area because it may be used as disposal sites of nuclear waste in future.
背景
本文采用高纯锗探测器直接γ能谱法测量了伊朗荒漠地区阿拉克-胡尔（Anarak-Khour）部分水资源样品中的（226）Ra、（232）Th 和（40）K 的放射性质量。
结果
（226）Ra 的浓度范围为≤0.5 至 9701 mBq/L；（232）Th 的浓度范围为≤0.2 至 28215 mBq/L；（40）K 的浓度范围为< MDA 至 10332 mBq/L。镭当量活度远低于 370 Bq/L 的规定限值。计算得出的外照射指数均小于 1，表明剂量较低。
结论
这些结果可作为该地区的数据库，因为未来可能将其作为核废料处置场。
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