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February 2015 by Chris Ralph
• Is this old mining story too good to be true?Ask The Experts
Replacing cloth on a drywasher
Ask The Experts - What is this sample worth?
Ask The Experts - Is this gold?
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Which comes first, claim filing or staking?
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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