一种评估膜材料作为氡(222Rn)屏障有效性的直接方法

IF 1.1 4区 环境科学与生态学 Q4 CHEMISTRY, INORGANIC & NUCLEAR
M. Schubert, Diana Altendorf, H. Weiss
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引用次数: 1

摘要

摘要放射性同位素氡(222Rn)及其短命子代(218Po、214Pb、214Bi、214Po)的普遍存在在两个方面具有挑战性:(i)由于人类在住宅中的辐射暴露可能增加,氡是与健康相关的主要问题,以及(ii)由于氡的流动性,短命的子代可能会导致实验室放射性核素检测的复杂性。聚合物膜是有效防止不必要的氡迁移的合适手段。然而,大多数已发表的文献都集中在为住宅下部结构的大规模密封而制造的坚固膜上。适用于放射性核素检测应用中密封目的(小规模)的膜很少被讨论。在本文中,我们提出了一种简单实用的方法,可以评估任何膜的有效性,用于与氡密封相关的任何目的。执行该方法只需要(i)一个带入口和出口的合适容器,(ii)一个移动氡探测器,以及(iii)任何类型的氡源材料。该方法提供了一种工具,可以测试任何可用的膜是否适用于氡气挡板。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
A straightforward approach for assessing the effectiveness of membrane materials as radon (222Rn) barriers
ABSTRACT The ubiquitous presence of the radioisotope radon (222Rn) and its short-lived progeny (218Po, 214Pb, 214Bi, 214Po) is challenging in two respects: (i) Radon is a major issue regarding health-related problems due to potentially elevated radiation exposure of humans in dwellings, and (ii) due to the mobility of radon the short-lived progeny may cause complications in radionuclide detection in laboratories. Polymer membranes are an appropriate means for effectively preventing unwanted radon migration. However, most of the published literature focusses on robust membranes made for the large-scale sealing of dwelling substructures. Membranes that are suitable (at small-scale) for sealing purposes in radionuclide detection applications are only rarely discussed. In this paper, we present a straightforward practical approach that allows the effectiveness of any membrane to be assessed for any purpose related to radon sealing. Executing the approach requires only (i) a suitable container with inlet and outlet ports, (ii) a mobile radon detector, and (iii) any type of radon source material. The approach provides a tool that allows testing any available membrane for its applicability as radon barrier sheeting.
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来源期刊
CiteScore
2.80
自引率
7.70%
发文量
21
审稿时长
3.0 months
期刊介绍: Isotopes in Environmental and Health Studies provides a unique platform for stable isotope studies in geological and life sciences, with emphasis on ecology. The international journal publishes original research papers, review articles, short communications, and book reviews relating to the following topics: -variations in natural isotope abundance (isotope ecology, isotope biochemistry, isotope hydrology, isotope geology) -stable isotope tracer techniques to follow the fate of certain substances in soil, water, plants, animals and in the human body -isotope effects and tracer theory linked with mathematical modelling -isotope measurement methods and equipment with respect to environmental and health research -diagnostic stable isotope application in medicine and in health studies -environmental sources of ionizing radiation and its effects on all living matter
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