1 Facts
1.1 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 .
1.2 Sources
By-product Zirconium Refining
Found in Minerals, Mining, Ores of Minerals
1.3 History
1.3.1 Who Discovered
Dirk Coster and George de Hevesy
Smithson Tennant
1.3.2 Discovery
1.4 Abundance
1.4.1 Abundance In Universe
7 * 10-8 %2 * 10-7 %
5E-09
0.11
1.4.2 Abundance In Sun
~0.0000001 %~0.0000002 %
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