I am not a mineral chemist But am sure the by product of gold is at 65 gold. I think the copper may hit the mark also.
Also add sulphide./sulphure very good .
Arsenic. not good.
What are you trying to say?
Obviously this process has gone through without your stamp of approval. Very sorry.
Where are we going here?
Samples have been done. Why sign a contract? From both parties.
