Which Specific Gravity Test Works Best?
August 2011 by Matt FabianHave you ever wondered how accurate specific gravity tests are in determining the amount of gold in a specimen?
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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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Where to process high grade gold ore containing sulfides?
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