Abstract

The homogenization of samples of gold ore by methanol mixing has been examined by neutron activation in the Safari-1 nuclear reactor. Activity ratios of gold-198 to neptunium-239 (for gold to uranium contents) and arsenic-76 to neptunium-239 (for arsenic to uranium contents) have been analysed to study the homogenety of the samples. In these post-cyanide residue samples, residual gold is found to be considerably less homogeneously distributed than in chemically untreated ore samples. The distribution of uranium in ore samples is not affected by chemical treatment.

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