Facts About Osmium and Iridium
Facts
Interesting Facts
- Osmium metal does not oxidize in air unless it is heated.
- But if it heated den it forms Osmium Tetroxide, which is highly toxic.
- Iridium element occurs as natural alloys of Platinum and Osmium.
- Iridium element is known as the most corrosion resistance metal .
Sources
Found As a By-product, Found in Minerals, Mining
Found in Minerals, Mining, Ores of Minerals
History
Who Discovered
Smithson Tennant
Smithson Tennant
Discovery
In 1803
In 1803
Abundance
Abundance In Universe
3 * 10-7 %
21
2 * 10-7 %
22
Abundance In Sun
~0.0000002 %
25
~0.0000002 %
25
Abundance In Meteorites
0.00 %
28
0.00 %
29
Abundance In Earth's Crust
0.00 %
99+
0.00 %
99+
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