Pyrometallurgy: Roasting, Smelting, Refining & Electrowinning

Pyrometallurgy: Roasting, Smelting, Refining & Electrowinning 2017-04-21T02:33:06+00:00
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High copper refining Flux recipe (1 reply)

sarchery
8 months ago
sarchery 8 months ago

Is there a specific flux recipe or extra additive that has been tested to improve the fineness of the gold bars that contain high copper content during smelting.

The current flux constituents are borax, silica and potassium nitrate

David
8 months ago
David 8 months ago

Try adding 5% feldspar.

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