Ask The Experts
Ask The Experts - Should I dig faint sounds with no indicator bars while detecting?
July 2020 by Chris Ralph
Ask The Experts—Separating platinum from sands using bubbles
I am trying to find any information about using bubbles to separate platinum from sands and small particles. I think it has to have a surfactant in the process. Do you know of this bubble tech?
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If it's gold, how should I clean it?
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