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Ask The Experts - Need advice on melting gold
January 2019 by Chris Ralph
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If it's gold, how should I clean it?
Ask the Experts: Ionizing mercury
Q: What exactly does "ionizing" mercury mean?
Ask The Experts: Sulfides and fluxes
The concentrate is just the heaviest of the heavy minerals but some sulfides are sneaking in there also with the gold...
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Viewing details on Google Earth
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Centrifugal bowls versus jigs
The Portable XRF Gun
While there is no metal detector that will see only gold, there is a device that can reliably distinguish gold from lead, copper, iron or other metals. It is an X-Ray fluorescence tester, sometimes called an XRF gun.
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The Bawl Mill
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