Sulphide Gold and PGM

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New@Chemistry

New member
Joined
Feb 4, 2019
Messages
2
Good day.

I do have Sulphide Gold and PGM metals. Both metals is trough the floatation process.

Lets start with the Gold.
Will it work if i roast the Sulphide Gold for 5 hours and then use Mercury to amalgamate the Gold?

The PGM metals ( after floatation)
Can i use aqua rigia on them and the drop the Platinum with solid copper?
 
Flotation will give the sulphides concentrated, as sulphides have affinity to froth.
Cooking the sulphides in air will transform them to oxides, so gold and PGM's become
more free. The next step can be AR for both.
 
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