Refining sample with a majority of iron

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bikrot

New member
Joined
Mar 30, 2020
Messages
1
Dear all,
I am looking for a way to remove iron from a sample containing 20% Au maximum.
In fact, I started with a crematorium sample containing a lot of common metals (Fe, Cr, Co, Ti,...). I added pyrite instead of sulphur and melt at 1200°C. I obtained a mass with a lot of powder. So I added copper to obtain a full mass (with 10% loss by evaporation).
Now I have a mass with less gold, and a lot of iron...
How should I do to obtain the maximum of gold possible ?

Should I do it in another way ?

Please help me, I have done a lot of researchs already...

Sorry for my English... I'm French :D
 

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