I am a hobbyist refiner. I have been gifted with about 1 kg of gold plated pins. I would like to leach the gold using something like thiourea rather than cyanide. I have found papers that recommend adding acid without mention of which one, and oxidizers (again without mentioning which one). Can...
Google/duckduckgo is not helping me find what I need. I am trying to find a way to recycle furniture that is made up of wood chips/flower, epoxy resin with a plastic veneer. Currently, the only alternative I see is either sending such products to a waste heat plant or a landfill. Neither...
