International Journal of Science and Technology

International Journal of Science and Technology>> Volume 7, Number 9, September 2017

International Journal of Science and Technology

The Utilization of Cadmium as Thermal Neutron Filter in the Characterization of Gold Matrix in NIRR-1

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Author Bello Abdullahi and M.T. Tsepav
On Pages 281-285
Volume No. 2
Issue No. 5
Issue Date May, 2012
Publishing Date May, 2012
Keywords Cadmium, Gold, Energypeak, Gamma ray spectrum, Interference.


Two parameters were systematically varied to optimize the characterization of gold from gold matrix: cadmium thickness ranging from 0.5 to 1.5mm and the time of irradiation of 1 to 30minutes. Gold was observed to be optimally activated at cadmium thickness of 1.0mm and irradiation time of 2minutes. The gamma ray spectrum that resulted from this arrangement was observed to be significantly free from energypeak interference. Other arrangements’ energypeak spectra were significantly riddled with interferences and the cadmium became unwieldy as time of irradiation increased.

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