Facts About Erbium and Hafnium
Facts
Interesting Facts
- Erbium metal is used as alloyed with Vanadium to make it softer.
- Recent studies shows that it is helpful for metabolism.
- Hafnium metal is highly reactive, hence not found free in nature.
- Hafnium metal as predicated after Mendeleev finished his periodic table.
Sources
Mining
By-product Zirconium Refining
History
Who Discovered
Carl Gustaf Mosander
Dirk Coster and George de Hevesy
Discovery
In 1842
In 1922
Abundance
Abundance In Universe
2 * 10-7 %
22
7 * 10-8 %
25
Abundance In Sun
~0.0000001 %
26
~0.0000001 %
26
Abundance In Meteorites
0.00 %
36
0.00 %
37
Abundance In Earth's Crust
0.00 %
32
0.00 %
31
Abundance In Oceans
0.00 %
36
0.00 %
27
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