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Excess borax Gold Refining & Metal Extraction Forum
WebJun 1, 2012 · For centuries, borax (Na 2 B 4 O 7 •10H 2 O) has been used as a flux in gold smelting by conventional and artisanal miners. If the concentrate has a high grade of … WebThis process involves melting a gold-bearing sample in a clay crucible with a mixture of fluxes (such as silica and borax), lead oxide (called litharge), and a reducing agent (frequently flour). The fluxes lower the melting point of the oxidic materials, allowing them to fuse, and the molten litharge is reduced by the flour to extremely fine ... lahaska animal adoption
The Borax Method of Gold Extraction for Small-Scale Miners
WebNov 10, 2024 · if the beads are to small to sort out - mix the crushed borax (& gold) with sodium carbonate ( also called soda ash or washing soda) 60 -70% soda ash to 30 - 40% borax & re-melt it --- may take several melts due to the increased volume of flux by added soda ash --- when the flux is molten pour it SLOWLY (keeping the torch on it to keep it ... WebMar 4, 2024 · To melt gold using things you probably have at home, first grab a large baking potato and cut a hole in it. Then put a pinch of borax into the potato, which … WebNov 3, 2015 · East Bay Area, California. Apr 15, 2012. #1. I stumbled (literally, I was using stumbleupon) across a video on youtube that claims to show how you can extract gold using borax. I understand the purpose of using borax when you melt gold, for seasoning a crucible and attracting some contaminants, and for heating reasons etc. la hasil umera ahmed drama