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Indunil Vithanage
Feb 21, 2021
In PGM Refining
Hello friends , I have aproblem with precipitating pt and pd from an aqua regia solution that I made from an ore near by , It is giving a colored indication of stannus chloride test so I didn't found any precipitation of au with sadium metabisupfite , so I tested with pt and pd precipitation . I did adding aluminium foil . So I ve got a brownish color powder precipitation , Can any one please guide me on this situation . Thank you and good day
Precipitate pt and pd from aqua regia solution content media
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Gold-N-Scrap

Recovery & Refining of Precious Metals

Indunil Vithanage

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