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For batch leach samples - instead of stripping the AC I was wondering if it can be smelted, maybe with a bit of litharge as a collector and some borax to slag off contaminants. I understand the carbon can be “ashed” in an electric muffle furnace (I don’t have one) but assume a gas furnace or torch would create too much wind and either volatilize the microscopic gold particles and/or blow the particles and ash out of the vessel - hence the smelting question. I’m talking about less than a handful of AC.