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Facts About Iridium and Chromium


Facts About Chromium and Iridium


Facts

Interesting Facts
  • Iridium element occurs as natural alloys of Platinum and Osmium.
  • Iridium element is known as the most corrosion resistance metal .
  
  • 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.
  

Sources
Found in Minerals, Mining, Ores of Minerals   
Found in Minerals, Mining, Ores of metals, Ores of Minerals   

History
  
  

Who Discovered
Smithson Tennant   
Louis Nicolas Vauquelin   

Discovery
In 1803   
In Between 1797 - 1798   

Abundance
  
  

Abundance In Universe
2 * 10-7 %   
22
1.5 * 10-3 %   
7

Abundance In Sun
~0.0000002 %   
25
~0.002 %   
7

Abundance In Meteorites
0.00 %   
29
0.30 %   
7

Abundance In Earth's Crust
0.00 %   
99+
0.01 %   
13

Abundance In Oceans
Not Available   
0.00 %   
16

Abundance In Humans
Not Available   
0.00 %   
16

Uses >>
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