How to Refine Silver—Pt II
October 2019 by Roger Neuscheler
Silver recovery from low-level solutions is frequently done in a cell that has a cathode with 2 to 5 or more times the surface area as the anode.
They tend to be big, coming in large to extremely large sizes. They can also be amazingly rich and produce huge amounts of very high-grade ore.
I believe dry washing is an underappreciated prospecting method. There are plenty of places where there is some pretty decent gold to be had, but the spot is a long way from any water and dry processing may well be the best way to go.
In some places, semi-continuous sections of riverbed can easily be linked in many places to identify the path of the ancient rivers.
So let’s dive in and see what I can do to convince you that this is the year you should be out staking your own claims.
This was no ordinary nugget. It had not traveled very far from its nearby source, and that did mean a lot, as we were searching for the source of several such nuggets found during a gold rush that occurred in 1859.
The next hurdle to jump was whether the trommel motor would start again after sitting on the desert for six years without being started. The last time it had taken a three foot pipe wrench to bust it loose.
Each specimen is carefully examined to determine if it would be beneficial or not to use an acid treatment to reveal more of the gold.
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