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.
- Rubidium metal is 16th most common element found in the earth crust.
- Rubidium metal also found in minerals as well as seawater.
1.2 Sources
By-product Zirconium Refining
Obtained from Lithium Production.
1.3 History
1.3.1 Who Discovered
Dirk Coster and George de Hevesy
Robert Bunsen and Gustav Kirchhoff
1.3.2 Discovery
1.4 Abundance
1.4.1 Abundance In Universe
7 * 10-8 %1 * 10-6 %
5E-09
0.11
1.4.3 Abundance In Sun
~0.0000001 %~0.000003 %
1E-08
0.1
1.4.6 Abundance In Meteorites
1.4.9 Abundance In Earth's Crust
1.4.12 Abundance In Oceans
1.4.14 Abundance In Humans