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Iridium and Osmium Discovery - Periodic Table of Videos

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Uploaded on Oct 31, 2011

Smithson Tennant's discovery of Osmium and Iridium is beautifully documented in the Royal Society archives.

Professor Martyn Poliakoff explains.

More chemistry at http://www.periodicvideos.com/
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Periodic Videos films are by video journalist Brady Haran

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