Facts About Hafnium and Platinum
Interesting Facts
- Hafnium metal is highly reactive, hence not found free in nature.
- Hafnium metal as predicated after Mendeleev finished his periodic table.
- Platinum is the rarest metal from the Precious metal categories..
- Commercially Platinum is produced as a byproduct in ores of nickel.
Sources
By-product Zirconium Refining
Mining, Ores of metals, Ores of Minerals
Who Discovered
Dirk Coster and George de Hevesy
Antonio de Ulloa
Discovery
In 1922
In 1735
Abundance In Earth's Crust
Abundance In Oceans
Not Available