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Facts About Hafnium and Iridium


Facts About Iridium and Hafnium


Facts

Interesting Facts
  • Hafnium metal is highly reactive, hence not found free in nature.
  • Hafnium metal as predicated after Mendeleev finished his periodic table.
  
  • Iridium element occurs as natural alloys of Platinum and Osmium.
  • Iridium element is known as the most corrosion resistance metal .
  

Sources
By-product Zirconium Refining   
Found in Minerals, Mining, Ores of Minerals   

History
  
  

Who Discovered
Dirk Coster and George de Hevesy   
Smithson Tennant   

Discovery
In 1922   
In 1803   

Abundance
  
  

Abundance In Universe
7 * 10-8 %   
25
2 * 10-7 %   
22

Abundance In Sun
~0.0000001 %   
26
~0.0000002 %   
25

Abundance In Meteorites
0.00 %   
37
0.00 %   
29

Abundance In Earth's Crust
0.00 %   
31
0.00 %   
99+

Abundance In Oceans
0.00 %   
27
Not Available   

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