Facts About Chromium and Ruthenium
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.
  
Sources
Found in Minerals, Mining, Ores of metals, Ores of Minerals
  
By-product of Nickel Refining, Found in Minerals, Mining
  
History
  
  
Who Discovered
Louis Nicolas Vauquelin
  
Karl Ernst Claus
  
Discovery
In Between 1797 - 1798
  
In 1844
  
Abundance
  
  
Abundance In Universe
1.5 * 10
-3 %
  
7
Abundance In Sun
~0.0000005 %
  
22
Abundance In Earth's Crust
Abundance In Humans
Not Available