The Portable XRF Gun
November 2012 by Chris RalphWhile 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.
Looking for help on unproven claim
Good questions...from A to Z...
• Recovering platinum
Q: I’ve thought about renting an XRF gun with gold specific software to use for exploration this spring.
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