precipitating gold with SMB - YouTube- what is smb in gold extraction , · precipitating gold with SMB Geo. Loading... Unsubscribe from Geo? ... Aqua Regia Process gold extraction. Recovery Refining gold percent lower scrap jewelry ore Recycle. - …smb gold recovery - uutflukt.nlWhat Is Smb In Gold Extraction the chemistry of gold extraction sale 2 Posted in chemistry hacksTagged gold If I did drive the gold back into solution with too much SMB can I fix it .