Ask The Experts
Our Readers Say
September 2017
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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Q: What amount of silver is considered the best find ever?
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Q: Would a mining company be interested in this area for just the magnetite?
Ask The Experts - How do I recover gold in pyrite?
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Q: Is there a special name for this silver and copper alloy?
Ask the Experts: More suggestions for dealing with metallic trash....
Q: Thanks for the great article in the recent ICMJ [“Metallic Trash—Scourge of the Prospector,” July 2012]...
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The Bawl Mill
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