Ask The Experts - EPA Method 6020 testing

June 2019 by Chris Ralph

Ask the Experts

January 2013
How do sluicing and drywashing compare in effciency?

Ask The Experts

August 2016
Which comes first, claim filing or staking?

Ask The Experts: Assay problem or recovery problem?

January 2017

Q: I have tried various leaching techniques from which I cannot get a precipitate.

The Portable XRF Gun

November 2012
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.

Ask the Experts: Big rocks or small cobbles?

January 2014

Ask The Experts - Is this gold?

September 2017

Ask the Experts - Processing sulfide ore without mercury or cyanide.

February 2012
Q: ...Is there any way to process the ore without using mercury or cyanides...?

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