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Smithson Tennant FRS (30 November 1761 – 22 February 1815) was an English chemist. He is best known for his discovery of the elements iridium and osmium , which he found in the residues from the solution of platinum ores in 1803.
The English chemist Smithson Tennant discovered the element together with iridium in the residues of platinum ores not soluble in aqua regia. He announced its isolation (1804) and named it for the unpleasant odour of some of its compounds (Greek osme, odour).
May 29, 2018 · Smithson Tennant was a British chemist who discovered iridium and osmium in 1804. He also studied the combustion of diamond and platinum, and was a founding member of the Geological Society.
Nov 30, 2021 · Learn about Smithson Tennant, an English chemist who discovered osmium and iridium in 1803. He also studied meteorites and was killed in a horse accident in France.
Jul 1, 2015 · Smithson Tennant (1761–1815), a British physician turned chemist and chemical engineer, published very few papers but they were significant enough as to leave a mark in science and technology. He proved that diamond is a pure allotropic form of carbon, established that carbon dioxide was composed of only carbon and oxygen, discovered iridium ...
A biographical sketch of Smithson Tennant, a British chemist who discovered osmium and iridium and made important contributions to the theory of chemical affinity. The article is based on the recollections of his friends and contemporaries, edited by John Whishaw and published in 1816.
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Abstract. The discovery of two of the chemical elements (osmium and iridium) and close association with that of two others (rhodium and palladium) has not fallen to the lot of many people and of them, until quite recently, Smithson Tennant must have been one of the least known.
