Evaluation of Natural Radioactivity and its Radiation Hazards in Some Building and Decorative Materials in Iraq

被引：0

作者：

Abdellah, W. M. ^{[1
]}

Mansour, N. A. ^{[2
]}

Diab, H. M. ^{[1
]}

Hassan, N. M. ^{[2
]}

Kasem, A. ^{[2
]}

Ibrahim, Mona. H. ^{[2
]}

机构：

[1] Nucl & Radiol Regulatory Author, Dept Radiat Protect, Cairo, Egypt

[2] Zagazig Univ, Fac Sci, Dept Phys, Zagazig, Egypt

来源：

ARAB JOURNAL OF NUCLEAR SCIENCES AND APPLICATIONS | 2018年 / 51卷 / 01期

关键词：

Water; Spectrometry; Gamma; Building; Materials; IRAQ;

D O I：

暂无

中图分类号：

TL [原子能技术]; O571 [原子核物理学];

学科分类号：

0827 ; 082701 ;

摘要：

Twenty-nine samples of different types of building materials such as bricks, cement, ceramic, granite, gravel, marble, paint, plaster, sand and soil were analyzed by a gamma spectrometer based on HPGe detector. The total average contents of Ra-226, Th-232, and K-40 for all the building samples are 35.26 Bq kg(-1), 26.99 Bq kg(-1), and 321.19 Bq kg(-1) respectively. The estimated radium equivalent activities (Ra-eq), representative index (I-gamma), absorbed gamma-dose rate, external and internal hazard indices and the annual effective dose equivalent (AEDE) are lower than the recommended safe limit 1 mSy(-1). The results indicated that all the building materials in Iraq are safe except the materials that used as decorative materials that have to be regulated.

引用

页码：39 / 45

页数：7

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