Abstract
A rapid analytical procedure based on low-yield of neutrons produced by a sealed-tube; 14 MeV neutron generator has been used for the determination of the Al and Si contents of alumino-silicate ores from Nigeria. Primary fast neutron flux reaching the sample and standard were monitored by high-purity Al foils and checked by a BF 3 neutron counter system. Analytical grade Al 2O 3 and SiO 2 chemical powders were used as standards while the analytical quality control of the procedure was checked by Bauxite (BCS-395) and Portland Cement (BCS-372) certified reference materials. The deviations of our measured values from the certified values were found to be 1.6% and 1.3% for Al and Si. Detection limits of the set-up for Al and Si were deduced to be 2.7 and 0.9 wt%; Respectively. Results are hereby presented for some industrial raw materials.
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