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.
- Copper rarely found in its pure form in nature.
- Copper Sulfate is mostly used in agricultural poison and as an algicide in water purification system.
1.2 Sources
By-product Zirconium Refining
Found in Minerals
1.3 History
1.3.1 Who Discovered
Dirk Coster and George de Hevesy
Unknown
1.3.2 Discovery
In 1922
In Middle East (9000 BCE)
1.4 Abundance
1.4.1 Abundance In Universe
7 * 10-8 %6 * 10-6 %
5E-09
0.11
1.4.2 Abundance In Sun
~0.0000001 %~0.00007 %
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