Which process can separate platinum gold silver palladium?

They all have significantly different melting points. If you had a good enough smelter, you could possibly just melt them at their respective melting temperatures & separate them. Note to self : why haven't I tried this yet? read more

They all have significantly different melting points. If you had a good enough smelter, you could possibly just melt them at their respective melting temperatures &; separate them. read more

The amalgamation method of separation is based upon the fact that the solubility of the platinum group metals in mercury is low, while the solubility of gold is high. Platinum and palladium, the lower melting points metals in the platinum group, form intermetallic compounds with mercury. read more

Palladium is a platinum group metal, and though it is often confused for its more expensive counterpart, palladium is a separate elemental metal. Because of its likeness to platinum, palladium is also used as an industrial catalyst and is a common metal alloyed in the jewelry industry. read more