探索在日本市售的一些大理石的天然放射性和放射性同位素所造成的辐射危害

IF 2.8 3区物理与天体物理 Q3 CHEMISTRY, PHYSICAL

Radiation Physics and Chemistry Pub Date : 2025-08-26 DOI:10.1016/j.radphyschem.2025.113262

Serdar Dizman

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引用次数: 0

摘要

自古以来，天然石材一直是建筑和艺术领域最重要的材料。大理石是人类生活中经常使用的天然石材之一。天然石头由于其地下来源而含有不同浓度的天然放射性核素。因此，测定天然石材中的放射性是至关重要的，天然石材是人类生命所不可缺少的。在此背景下，测定了从土耳其不同地区收集的商业大理石的天然放射性水平（226Ra， 232Th和40K），并评估了潜在的辐射危害。采用高纯锗探测系统（HPGe）测量了大理岩样品的天然放射性水平。大理岩样品中226Ra、232Th和40K的放射性浓度范围为0.38±0.11 ~ 63.38±2.13 Bq/kg， 232Th为3.67±1.30 ~ 112.20±3.36 Bq/kg， 40K为8.13±2.21 ~ 961.06±17.36 Bq/kg。计算并评价了大理石样品的辐射危害参数（Raeq、Hex、Iγ、ADR、AED和CR）。根据所获得的结果，本研究表明，所检测的大理石样品可以安全地用于建筑中，在任何地方使用都不会产生重大的辐射危害。

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Exploration of natural radioactivity and radiological hazards due to radioisotopes in some marble commercially sold in Türkiye

Natural stones have been the most important material used in both the building sector and art since ancient times. One of the natural stones frequently used in human life is marble. Natural stones contain various concentrations of natural radionuclides due to their underground origin. Therefore, it is critical to determine the radioactivity in natural stones, which are indispensable for human life. In this context, the levels of natural radioactivity (²²⁶Ra, ²³²Th and ⁴⁰K) in commercial marbles collected from different regions of Türkiye were determined, and potential radiological hazards were evaluated. The natural radioactivity levels in the marble samples were measured using high-purity germanium detector system (HPGe). The radioactivity concentrations of ²²⁶Ra, ²³²Th and ⁴⁰K in the marble samples range from 0.38 ± 0.11 to 63.38 ± 2.13 Bq/kg for ²²⁶Ra, from 3.67 ± 1.30 to 112.20 ± 3.36 Bq/kg for ²³²Th, and from 8.13 ± 2.21 to 961.06 ± 17.36 Bq/kg for ⁴⁰K. Also, some radiological hazard parameters (Ra_eq, H_ex, I_γ, ADR, AED and CR) for marble samples were calculated and evaluated. Based on the results obtained, this study indicates that the marble samples examined can be used safely in construction and will not create a significant radiological hazard when used anywhere.

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来源期刊

Radiation Physics and Chemistry 化学-核科学技术

CiteScore

5.60

自引率

17.20%

发文量

574

审稿时长

12 weeks

期刊介绍： Radiation Physics and Chemistry is a multidisciplinary journal that provides a medium for publication of substantial and original papers, reviews, and short communications which focus on research and developments involving ionizing radiation in radiation physics, radiation chemistry and radiation processing. The journal aims to publish papers with significance to an international audience, containing substantial novelty and scientific impact. The Editors reserve the rights to reject, with or without external review, papers that do not meet these criteria. This could include papers that are very similar to previous publications, only with changed target substrates, employed materials, analyzed sites and experimental methods, report results without presenting new insights and/or hypothesis testing, or do not focus on the radiation effects.