Ask The Experts
Ask the Experts
November 2013 by Chris Ralph
Treating ore with a plasma torch or shock waves?Ask The Experts
Estimating the gold content of ores with gold, quartz and other minerals?
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• How do I separate silver from lead ore?
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Can the public take minerals from a mining claim?
Ask The Experts: What should I do with a large amount of old placer concentrates?
Q: I’m working with some folks who have a large amount of old placer concentrates stored on their recently purchased property.
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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Q: How do I get gold out of a saturated solution of salt with nitric acid?
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