Facts About Chromium and Osmium
Facts
Interesting Facts
- Chromium is highly reactive, hence it is not found free in nature.
- Ores of Chromites mineral are the major source of Chromium metal.
- Almost 90% leather tanning is done with the help of chromium.
- Osmium metal does not oxidize in air unless it is heated.
- But if it heated den it forms Osmium Tetroxide, which is highly toxic.
Sources
Found in Minerals, Mining, Ores of metals, Ores of Minerals
Found As a By-product, Found in Minerals, Mining
History
Who Discovered
Louis Nicolas Vauquelin
Smithson Tennant
Discovery
In Between 1797 - 1798
In 1803
Abundance
Abundance In Universe
1.5 * 10-3 %
7
3 * 10-7 %
21
Abundance In Sun
~0.002 %
7
~0.0000002 %
25
Abundance In Meteorites
0.30 %
7
0.00 %
28
Abundance In Earth's Crust
0.01 %
13
0.00 %
99+
Abundance In Oceans
0.00 %
16
Not Available
Abundance In Humans
0.00 %
16
Not Available
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