1 Facts
1.1 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.
- Ruthenium element has been extracted from used nuclear fuel.
- Ruthenium metal also produces as a by-product of the Nickel mining.
1.2 Sources
Found in Minerals, Mining, Ores of metals, Ores of Minerals
By-product of Nickel Refining, Found in Minerals, Mining
1.3 History
1.3.1 Who Discovered
Louis Nicolas Vauquelin
Karl Ernst Claus
1.3.2 Discovery
In Between 1797 - 1798
In 1844
1.4 Abundance
1.4.1 Abundance In Universe
1.5 * 10-3 %4 * 10-7 %
5E-09
0.11
1.4.2 Abundance In Sun
~0.002 %~0.0000005 %
1E-08
0.1
1.4.3 Abundance In Meteorites
1.4.4 Abundance In Earth's Crust
1.4.5 Abundance In Oceans
1.4.6 Abundance In Humans