用于玻璃制造和玻璃陶瓷的一些埃及材料的天然放射性

Q4 Health Professions
R. Elsaman, G. Ali, M. Uosif, K. Shaaban, Y. Saddeek, K. Aly, K. Chong
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引用次数: 4

摘要

背景:新型玻璃来源于水泥粉尘等有害环境废弃物;制造磷酸盐石灰石、沙子和硼砂(Genkare)。对这些材料(磷矿、水泥尘、石灰石、沙子和硼砂)中存在的放射性进行调查,可以评估这些材料对人类可能造成的任何放射性危害。材料和方法:从五个地点采集15份样本。使用高分辨率闪烁探测器NaI(Tl)晶体3×3英寸的伽马射线光谱仪进行了活度测量。此外,还计算了调查样本的放射性危害。结果:226R、232Th和40K的活性平均值分别为28±2至163±12、2.8±0.7至40±3和49±4至1337±74Bqkg-1。226Ra、232Th和40K引起的吸收剂量率、镭当量活度和年有效剂量分别为22.05至101.59 nGy h-1、45.90至224.22 Bq kg-1和27.04至124.59µSv y-1。此外,还计算了外部危险指数、内部危险指数和伽马指数的值。结论:根据所获得的结果,除磷酸盐外,所有材料都不会产生显著的放射性危害。研究结果可作为未来流行病学研究和监测举措的重要基线辐射数据。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Natural radioactivity of some Egyptian materials used in glasses manufacturing and glass ceramics
Background: The new glasses from harmful environmental waste such as cement dust; limestone phosphate, sand and borax (Genkare) were manufactured. Investigation of the radioactivity present in these materials (Phosphate rock, cement dust, limestone, sand and borax) enables one to assess any possible radiological hazard to humankind by such materials. Materials and Methods: Fifteen samples were collected from five locations. Activity measurements have been performed by gamma-ray spectrometer, employing a high-resolution scintillation detector NaI (Tl) crystal 3 ×3 inch. In addition, the radiological hazards were calculated for the investigated samples. Results: The average values of activity ranged from 28±2 to 163±12, 2.8±0.7 to 40±3 and from 49±4 to 1337±74 Bq kg-1 for 226R, 232Th and 40K, respectively. The values of absorbed dose rates, radium equivalent activities and annual effective dose due to 226Ra, 232Th and 40K respectively, are ranged from 22.05 to 101.59 nGy h-1, 45.90 to 224.22 Bq kg-1 and 27.04 to 124.59 µSv y-1. In addition, the values of external hazard index, internal hazard index and gamma index have been calculated. Conclusion: According to the obtained results, all materials would not present a significant radiological hazard except phosphate. The results of the study could serve as important baseline radiometric data for future epidemiological studies and monitoring initiatives.
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来源期刊
Iranian Journal of Radiation Research
Iranian Journal of Radiation Research RADIOLOGY, NUCLEAR MEDICINE & MEDICAL IMAGING-
CiteScore
0.67
自引率
0.00%
发文量
0
审稿时长
>12 weeks
期刊介绍: Iranian Journal of Radiation Research (IJRR) publishes original scientific research and clinical investigations related to radiation oncology, radiation biology, and Medical and health physics. The clinical studies submitted for publication include experimental studies of combined modality treatment, especially chemoradiotherapy approaches, and relevant innovations in hyperthermia, brachytherapy, high LET irradiation, nuclear medicine, dosimetry, tumor imaging, radiation treatment planning, radiosensitizers, and radioprotectors. All manuscripts must pass stringent peer-review and only papers that are rated of high scientific quality are accepted.
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