Ask The Experts - Need assaying advice
September 2018 by Chris Ralph
Q: I have tried various leaching techniques from which I cannot get a precipitate.
Q: Exactly how does amalgamation work? Does it “melt” the gold (or copper, or silver, etc.) and form an alloy? If one leaves a piece of gold in mercury, will the entire sample become an amalgam (combination) of gold and mercury? Or does it only affect the surface...
Q: How do I improve my small-scale mining operation’s gold production?
Questions regarding processing black sands
Q: Thanks for the great article in the recent ICMJ [“Metallic Trash—Scourge of the Prospector,” July 2012]...
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