Facts About Chromium and Hafnium
Interesting Facts
- Chromium is highly reactive, hence it is not found free in nature.
- Ores of Chromites mineral are the major source of Chromium metal.
- Almost 90% leather tanning is done with the help of chromium.
- Hafnium metal is highly reactive, hence not found free in nature.
- Hafnium metal as predicated after Mendeleev finished his periodic table.
Sources
Found in Minerals, Mining, Ores of metals, Ores of Minerals
By-product Zirconium Refining
Who Discovered
Louis Nicolas Vauquelin
Dirk Coster and George de Hevesy
Discovery
In Between 1797 - 1798
In 1922
Abundance In Earth's Crust
Abundance In Humans
Not Available