Ask The Experts
Ask the Experts - processing plants that can extract rare earth metals
April 2013 by Chris Ralph
Q: Do you know of any processing plants that can extract rare earth metals?Additional articles that might interest you...
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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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