Palladium (Pd) refining can be a daunting task, similar to the other Platinum group metals (PGM's) refining process. This is mainly due...

The Inquartation method is one of the most common methods of refining low and medium karat gold jewelry (9K-18K) and can also serve the...

4 - Gold precipitation with Sodium Metabisulfite. Now that we have our Gold solution (Chloroauric acid - HAuCl4) filtered and clean of...