Measurement of natural radioactivity in Jordanian sand

被引：44
|
作者：
Ahmad, N
Matiullah
Khatibeh, AJAH
Ma'ly, A
Kenawy, MA
机构：
[1] Ctr Nucl Studies, Islamabad, Pakistan
[2] MEMR, Dept Nucl Energy, Amman, Jordan
[3] Ain Shams Univ, Univ Coll Girls, Dept Phys, Cairo, Egypt
来源：
RADIATION MEASUREMENTS | 1997年 / 28卷 / 1-6期
关键词：
radium equivalent activity; external and internal hazards indices; construction materials; maximum permissible concentration; gamma ray spectroscopy;
D O I：
10.1016/S1350-4487(97)00096-6
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：
Sand samples were collected from Adasiah (near Amman), Jerash and Ghor As-Safi (near Karak). Ra-226, Th-232 and K-40 activities, present in these samples, were measured using a gamma ray spectroscopy technique. The average values of the radium equivalent activities were calculated and were found to be 41.06 Bq kg(-1), 54.7 Bq kg(-1) and 85.53 Bq kg(-1) in samples collected from Adasiah, Jerash and Ghor As-Safi, respectively. These values are within the limit (i.e. less than 370 Bq kg(-1)) recommended for the safe use of construction materials for dwellings by OECD.
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页码：341 / 344
页数：4
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