I fire assay two very different samples of gold ore, one mostly quartz and the other high in copper and sulfides. I show the process of crushing, smelting and cupelling, and then show a method of estimating the concentration of gold in the sample.
Keywords: Gold Ore, Gold Assay, Fire Assay, Crushing Ore, Smelting Ore, Cupelling, Gold Concentration
29 июл 2024