Pgm refining

[ashir]

I did not dissolved it in AR , i need to know use CU or ZN to cement out the PM ?
I need to know pls

doing it by yourself is much dangrous while you not know how metal behave in acids.
Its batter to keep a small piece and sell remaining material.
Read forum, ask question, educate yourself, be equiped and then start testing on the small piece you keep. Pgm refining is not simple.... not cheap.
Every one is here to help you but when you not go through small tests and recoveries,its not a wise action to try on a large batches.
If you are registered then you can sell it out of egypt.