A SURVEY OF GROSS ALPHA AND GROSS BETA ACTIVITY IN SOIL SAMPLES IN KINTA DISTRICT, PERAK, MALAYSIA

被引：21
|
作者：
Lee, Siak Kuan [1 ]
Wagiran, Husin [2 ]
Ramli, Ahmad Termizi [2 ]
机构：
[1] Univ Teknol Malaysia, Infocomm Res Alliance, Johor Baharu 81310, Johor, Malaysia
[2] Univ Teknol Malaysia, Fac Sci, Dept Phys, Johor Baharu 81310, Johor, Malaysia
来源：
RADIATION PROTECTION DOSIMETRY | 2014年 / 162卷 / 03期
关键词：
RADIOACTIVITY; REGION; COAL;
D O I：
10.1093/rpd/nct273
中图分类号：
X [环境科学、安全科学];
学科分类号：
08 ; 0830 ;
摘要：
The objective of this study was to determine the gross alpha and gross beta activity concentrations from the different soil types found in the Kinta District, Perak, Malaysia. A total of 128 soil samples were collected and their dose rates were measured 1 m above the ground. Gross alpha and gross beta activity measurements were carried out using gas flow proportional counter, Tennelec Series 5 LB5500 Automatic Low Background Counting System. The alpha activity concentration ranged from 15 to 9634 Bq kg(-1) with a mean value of 1558 +/- 121 Bq kg(-1). The beta activity concentration ranged from 142 to 6173 Bq kg(-1) with a mean value of 1112 +/- 32 Bq kg(-1). High alpha and beta activity concentrations are from the same soil type. The results of the analysis show a strong correlation between the gross alpha activity concentration and dose rate (R = 0.92). The data obtained can be used as a database for each soil type.
引用
收藏
页码：345 / 350
页数：6
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