Neutron activation analysis of aluminium with an Am-Be neutron source-application for bauxite investigation in Nigeria

被引：5
|
作者：
Idris, Y
Funtua, II [1 ]
Umar, IM
Elegba, SB
机构：
[1] Ahmadu Bello Univ, Ctr Energy Res & Training, Zaria, Nigeria
[2] Univ Maiduguri, Dept Phys, Maiduguri, Nigeria
来源：
APPLIED RADIATION AND ISOTOPES | 1998年 / 49卷 / 1-2期
关键词：
D O I：
10.1016/S0969-8043(97)00220-0
中图分类号：
O61 [无机化学];
学科分类号：
070301 ; 081704 ;
摘要：
A 5 Ci Am-Be neutron source was used for the rapid routine determination of Al in bauxite ores from Nigeria. The source is thermalised with paraffin wax in a cylindrical shape with six irradiation positions. The evaluation is based on the Al-27(n,gamma)Al-28 reaction with major interference from Si-28(n,p)Al-28, which was corrected with the thermal/fast neutron flux ratio of the irradiation holes. 12 bauxite samples including a reference material were analysed in this manner. Samples were found to have concentrations in the range of 10-48%. The method is rapid and precise and can be adopted for routine determination of Al in bauxitic clay samples. (C) 1997 Elsevier Science Ltd. All rights reserved.
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收藏
页码：41 / 42
页数：2
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