What Is Palladium And How Is It Used?-Comments

What Is Palladium And How Is It Used? - By: Ann Knapp, 2009-01-17

Of the platinum group of metals -- platinum, palladium, iridium, rhodium, osmium and ruthenium -- palladium has the lowest specific gravity and the lowest melting point. William Hyde Wollaston and Smithson Tennant isolated palladium as a separate member of the platinum group in 1802. It wasn't used in jewelry until 1939, when platinum was declared a strategic metal and reserved for military use.

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