泰国北碧府前锡矿区的自然伽马剂量率和放射性浓度

IF 1.5 3区化学 Q3 CHEMISTRY, ANALYTICAL

Journal of Radioanalytical and Nuclear Chemistry Pub Date : 2025-03-04 DOI:10.1007/s10967-025-10038-w

Saowarak Musikawan, Worawat Poltabtim, Khemruthai Kheamsiri, Chutima Kranrod, Theerawat Pluemjit, Kitkawin Aramrun, Yasutaka Omori, Hirofumi Tazoe, Masahiro Hosoda, Naofumi Akata, Shinji Tokonami

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引用次数: 0

摘要

本研究揭示了泰国前锡矿E-Tong村地面伽马辐射和天然放射性核素（226Ra、232Th和40K）浓度的空间分布特征。空气吸收剂量率为36 ~ 254 nGy h−1，高于世界平均水平，主要是由于土壤中226Ra和232Th含量较高。它们的空间分布受地质环境的影响，主要由花岗质和变质沉积岩组成。本研究测量的外部照射不会影响人体，但需要进一步的室内辐射测量来确认辐射影响评估。

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Natural gamma dose rate and radioactivity concentrations at a former tin mining area in Kanchanaburi, Thailand

This study revealed the spatial distributions of terrestrial gamma radiation and natural radionuclide (²²⁶Ra, ²³²Th, and ⁴⁰K) concentrations in E-Tong Village, a former tin mining area in Thailand. The absorbed dose rate in air ranged from 36 nGy h⁻¹ to 254 nGy h⁻¹, which is higher than the world average due to concentrated ²²⁶Ra and ²³²Th contents in the soil. Their spatial distributions were influenced by the geological setting, which consists of granitic and metasedimentary rocks. The external exposures measured in this study do not affect people, but further indoor radiation measurements are required to confirm radiation impact assessments.

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来源期刊

Journal of Radioanalytical and Nuclear Chemistry 化学-分析化学

CiteScore

2.80

自引率

18.80%

发文量

504

审稿时长

2.2 months

期刊介绍： An international periodical publishing original papers, letters, review papers and short communications on nuclear chemistry. The subjects covered include: Nuclear chemistry, Radiochemistry, Radiation chemistry, Radiobiological chemistry, Environmental radiochemistry, Production and control of radioisotopes and labelled compounds, Nuclear power plant chemistry, Nuclear fuel chemistry, Radioanalytical chemistry, Radiation detection and measurement, Nuclear instrumentation and automation, etc.