Study into the effectiveness of Soda Ash and Litharge as fire assay fluxes for silica By Kevin Renton, Assayer from the Western Australian School of Mines, 1964 Foreword From time to time we hear comments about fire assaying that we find interesting. Rarely do we hear […]
Read MoreIndependent Assay Labs (IAL) recommend gravimetric gold assaying as the most accurate method to use for defining gold values. The fundamental difference is that all the metal is quantified in the measuring process (and not just a snapshot of a small percentage of the sample as in […]
Read MoreExplanatory note We have had an occasion when a primary laboratory has reported much lower values than we did as the umpire laboratory. Our method includes an inspection of the gold recovered in the fire assay process so makes our result virtually irrefutable. The possibility of […]
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