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jan 1, 1803 - Osmium is discovered by Smithson Tennant
Description:
It was discovered when a British chemist was dissolving platinum ore with aqua regia and a black residue remained after
Added to timeline:
Osmium Timeline
By
Maite Arroyo
30 Oct 2019
0
0
98
Date:
jan 1, 1803
Now
~ 221 years ago
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