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Ask The Experts - Would a platinum nugget contain all the PGMs?
September 2021 by Chris Ralph
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Buying a turquoise claim
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Q: Is this gold or some other metal?
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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