Rag and Bone
Well-known member
Is there any pre-treament to processing the honeycomb in HCl-clorox?
Would removing some base metal with hot HCl have any benefit?
Would removing some base metal with hot HCl have any benefit?
Irons said:Fire assay is an art as well as a sciencel and Rhodium is about the toughest precious metal to assay accurately. It's not something you can do in your garage in a weekend. I'm not trying to discourage you but just trying to explain the reality of the situation.http://www.ledoux.com/lab.html
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