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	Charles Tennant - LoveToKnow 1911
		CHARLES TENNANT (1768-1838), Scottish industrial chemist, was born at Ochiltree, Ayrshire, on the 3rd of May 1768.
		He started in business as a bleacher at Darnley, and in 1798 took out a patent for a bleach liquor formed by passing chlorine into a mixture of lime and water.
		His grandson the iron-master, Sir Charles Tennant (1823-1906), was M.P. for Glasgow from 1878 to 1880 and for Peebles and Selkirk from 1880 to 1886; he was created a baronet in 1885.
	www.1911encyclopedia.org /Charles_Tennant (145 words)

	Smithson Tennant - Wikipedia, the free encyclopedia
		Smithson Tennant (November 30, 1761 - February 22, 1815) was an English chemist.
		Tennant 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 1804.
		He also contributed to the proof of the identity of diamond and charcoal.
	en.wikipedia.org /wiki/Smithson_Tennant (232 words)

	Smithson Tennant Summary
		Tennant was largely self-educated and developed an early interest in chemistry as a hobby.
		Smithson Tennant (November 30, 1761 - February 22, 1815) was an English chemist.
		Tennant 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 1804.
	www.bookrags.com /Smithson_Tennant (576 words)

	NationMaster - Encyclopedia: Smithson Tennant (Site not responding. Last check: )
		In 1804, Tennant isolated iridium (and osmium) from the residues and, due to its colourful compounds, named it after the Latin for rainbow, "iridis".
		Smithson Tennant, the British chemist famous for proving diamonds were in fact carbon, discovered iridium and osmium at the same time.
		Tennant seemed only interested in academics, and published his findings quickly but Wollaston was interested in making a profit from their experiments, and this would become important later for the gold pen.
	www.nationmaster.com /encyclopedia/Smithson-Tennant (891 words)

	What is Osmium? \| by Platinum Investment Expert\| John Lloyd
		Smithson Tennant was a friend of William Hyde Wollaston and collaborated with him in the isolation of the Platinum Group Metals (PGM).
		Tennant became aware that this residue of insoluble fl powder had a very high density suggesting that other elements were present.
		Smithson Tennant was born the son of a clergyman in Selby Yorkshire.
	platinum.preciousmetalinvestment.com /15/what-is-osmium (338 words)

	Smithson Tennant - LoveToKnow 1911
		SMITHSON TENNANT (1761-1815), English chemist, was born at Selby, Yorkshire, on the 30th of November 1761.
		He began to study medicine at Edinburgh in 1781, but in a few months moved to Cambridge, where he devoted himself to botany and chemistry.
		This page was last modified 06:52, 29 Aug 2006.
	www.1911encyclopedia.org /Smithson_Tennant (161 words)

	77 Iridium
		Smithson Tennant (1761-1815) discovered Iridium along with Osmium in the summer of 1803 in the fl residue formed by the dissolution of native Platinum in aqua regia (see Osmium).
		The memoirs of Fourcroy and Vauquelin and of Collet-Descotils were known to Tennant when he read his paper on the 21 June 1804 Philosophical Transactions of the Royal Society of London 95 (1805), p.
		Tennant, Smithson, "On two Metals, found in the fl powder remaining after the solution of Platina." Philosophical Transactions of the Royal Society of London 95 (1805), 411-418.
	elements.vanderkrogt.net /elem/ir.html (972 words)

	smithson.org.uk :: InterActive - Iridium and Osmium - Smithson Tennant discoveries
		Smithson Tennant was born in 1761 in Selby in Yorkshire, the son of a clergyman who died when Smithson was 9.
		When Berzelius visited in 1812 Tennant gave a horseback tour of a 100-acre field where he demonstrated the value of adding varous amounts of lime to the soil in decreasing ratio from one end of the field to the other.
		In 1813 Tennant was elected professor of chemistry at Cambridge but while near Boulogne, France in 1814, fell with his horse off a bridge into a ditch and was killed.
	www.smithson.org.uk /modules.php?name=News&file=article&sid=37 (378 words)

	Iridium
		Smithson Tennant was born in November, 1761, in Yorkshire, England.
		At the young age of twenty-four, Tennant was elected to be a Fellow of the Royal Society.
		Tennant was able to isolate two new elements from the residue: iridium and osmium.
	www.aboutgems.org /Iridium.php?keyword=iridium-satellite-phone&engine=google&contextual=no (444 words)

	PMR: Bicentenary of Four Platinum Group Metals
		Tennant had given up horse riding after his mother's fatal accident in 1781, but some fifteen years later he was advised to take it up again to improve his health, and thereafter rode daily, despite having a serious accident in 1809.
		Tennant first showed that the fl residue obtained after heating crude platina in aqua regia had a density of 10.7, far too great for the earlier (14) suggestion that it was plumbago (graphite).
		Tennant is buried in the public cemetery in Boulogne, with a Latin inscription on the headstone.
	www.platinummetalsreview.com /dynamic/article/view/48-4-182-189 (4134 words)

	Smithson Tennant - Encyclopedia.com
		In 1796 English chemist Smithson Tennant revealed the rarest of commodities is composed of one of the commonest elements.
		Nance, Smith, and Smithson (1993) examine the use of...
		Yet Richard Watson, Smithson Tennant, James Cumming, George Liveing, William Pope and Alexander Todd were important chemists in their day, and are among...
	www.encyclopedia.com /doc/1E1-Tennant.html (802 words)

	osmium — FactMonster.com
		The metal is used largely for the production of hard alloys for use in fountain pen points, phonograph needles, and instrument bearings.
		Osmium was discovered by Smithson Tennant in 1804 in a residue left after dissolving crude platinum in aqua regia.
		Smithson Tennant - Tennant, Smithson Tennant, Smithson, 1761–1815, English chemist.
	www.factmonster.com /ce6/sci/A0836994.html (312 words)

	Kids.Net.Au - Encyclopedia > Iridium
		At one time iridium, as an alloy with platinum, was used in bushing the vents of heavy ordnance[?] and in a finely powdered condition (iridium fl), for painting porcelain fl.
		History Iridium (Latin iris meaning "rainbow") was discovered in 1803 by Smithson Tennant[?] in London, England along with osmium in the dark colored residue of dissolving crude platinum in aqua regia (a mixture of hydrochloric and nitric acid).
		This element was named after the Latin word for rainbow because its salts are highly colored.
	www.kids.net.au /encyclopedia-wiki/ir/Iridium?title=Smithson_Tennant (605 words)

	Chemical Elements: Osmium History (Site not responding. Last check: )
		Tennant had begun to wonder what the fl metallic substance was, which was created every time unrefined platinum was treated with aqua regia (a combination of nitric and hydrochloric acids).
		Although it was believed by some that the substance was some form of graphite, Tennant began to believe it was something else after trying to alloy it with lead.
		Tennant was able to separate the fl powder into two metals, now named Osmium and Iridium, by an alternate action of acid and alkali.
	web1.caryacademy.org /chemistry/rushin/StudentProjects/ElementWebSites/osmium/Osmium_discovery.html (134 words)

	Osmium - Wikipedia
		Osmium is een scheikundig element met symbool Os en atoomnummer 76.
		Osmium is in 1803 ontdekt door Smithson Tennant in Londen.
		Het metaal bleef samen met iridium achter als zwart residu na het oplossen van platina erts in koningswater.
	nl.wikipedia.org /wiki/Osmium (403 words)

	Smithson-tennant - pumpsystemsdesign.com (Site not responding. Last check: )
		Smithson tennant became interested in native platinum while still a student at cambridge.
		Smithson tennant part ii: osmium and iridium events surrounding their discoveries.
		Figure of smithson tennant and his isolation of the.
	www.pumpsystemsdesign.com /Smithson-tennant (488 words)

	Smithson tennant - Wikipedia, the free encyclopedia (Site not responding. Last check: )
		Start the Smithson tennant article or add a request for it.
		Look for "Smithson tennant" in Wiktionary, our sister dictionary project.
		Look for "Smithson tennant" in the Wikimedia Commons, our repository for free images, music, sound, and video.
	www.sciencedaily.com /encyclopedia/smithson_tennant (168 words)

	76 Osmium
		William Hyde Wollaston and Smithson Tennant (1761-1815), who had befriended at Cambridge, formed in 1800 a secret partnership to share expenses and income from ventures in commercially production of Platinum (see Platinum).
		In 1803 Antoine-François de Fourcroy and Nicolas-Louis Vauquelin observed this fl powder and came to the conclusion that in the insoluble residue a new metal is present.
		Tennant, Smithson, "On two Metals, found in the fl powder remaining after the solution of Platina." Philosophical Transactions of the Royal Society of London 95 (1805), 411-418.
	www.vanderkrogt.net /elements/elem/os.html (505 words)

	History of Palladium Part 3
		Wollaston had formed an association with Smithson Tennant to conduct experiments in chemistry.
		As the 19th century dawned, that platina is dissolved in aqua regia was well known, with an insoluble fl residue remaining.
		Tennant announced his discoveries of indium and osmium in 1804.
	www.palladiumcoins.com /history3.html (614 words)

	Properties other than Color
		Smithson Tennant (1761-1814) was the son of a clergyman who died when Smithson was 9.
		When Berzelius visited in 1812 Tennant gave a horseback tour of a 100-acre field where he demonstrated the value of adding varous amounts of lime to the soil in decreasing ratio from one end of the field to the other.
		In 1813 Tennant was elected professor of chemistry at Cambridge but while visiting in France in 1814, fell with his horse off an ajar draw-bridge into a ditch and was killed.
	homepage.mac.com /dtrapp/Elements/properties.html (1824 words)

	International Platinum Association - History - Iridium
		Having discovered platinum and palladium, William Hyde Wollaston handed over the remaining residues of ore to his commercial partner Smithson Tennant, a fellow Cambridge graduate with whom he had forged a partnership in 1800.
		In 1804, Tennant isolated iridium (and osmium) from the residues and, due to its colourful compounds, named it after the Latin for rainbow, "iridis".
		Obtaining pure samples of iridium remained impossible, however, due to its high melting point, until 1842 when an American chemist called Hare used a hydrogen/oxygen flame to melt a small sample, allowing it to be separated from dross and other impurities.
	www.fuelcellmarkets.com /article_flat.fcm?articleid=311&subsite=779 (318 words)

	www.platinuminfo.net - Platinum group metals - Iridium - History (Site not responding. Last check: )
		Having discovered platinum and palladium, William Hyde Wollaston handed over the remaining residues of ore to his commercial partner Smithson Tennant, a fellow Cambridge graduate with whom he had forged a partnership in 1800.
		In 1804, Tennant isolated iridium (and osmium) from the residues and, due to its colourful compounds, named it after the Latin for rainbow, "iridis".
		Obtaining pure samples of iridium remained impossible, however, due to its high melting point, until 1842 when an American chemist called Hare used a hydrogen/oxygen flame to melt a small sample, allowing it to be separated from dross and other impurities.
	www.platinuminfo.net /pgm_ir_histo (327 words)

	History of Palladium Part 3
		Wollaston had formed an association with Smithson Tennant to conduct experiments in chemistry.
		As the 19th century dawned, that platina is dissolved in aqua regia was well known, with an insoluble fl residue remaining.
		Tennant announced his discoveries of indium and osmium in 1804.
	www.stillwaterpalladium.com /history3.html (614 words)

	Search Results for "Tennant"
		Bleaching powder was first produced in 1799 by Charles Tennant in Glasgow, Scotland....
		Osmium was discovered by Smithson Tennant in 1804 in a residue left after dissolving crude platinum in aqua...
		3Asquith's second wife, Margot (Tennant) Asquith, countess of Oxford and Asquith, 1864-1945, whom he married...
	www.bartleby.com /cgi-bin/texis/webinator/sitesearch?FILTER=col65&query=Tennant (168 words)

	Smell Smithson Tennant (Site not responding. Last check: )
		Smithson Tennant - Smithson Tennant (November 30, 1761 - February 22, 1815) was an English chemist.
		National Sense of Smell Day - National Sense of Smell Day is a United States holiday sponsored by the Sense of Smell Institute which is a division of The Fragrance Foundation.
		Alison and Peter Smithson - English architects Alison Smithson (1928-1993) and Peter Smithson (18 September 1923-3 March 2003) together formed an architectural partnership, and are often associated with the Brutalist style.
	www.melbatone.com /Smell/Smithson-Tennant.html (1139 words)

	News - Selby Today: News, Sport, Jobs, Property, Cars, Entertainments & More (Site not responding. Last check: )
		Smithson made history by finding and isolating the corrosion resistant metal iridium and the metallic element osmium, which he found in the residues from the solution of platinum ores.
		To make his experiment he borrowed his wife's diamonds and put them to the test, then analysed the fumes to prove that a diamond is nothing more than a crystalline form of almost pure carbon, the same common material of which coal, graphite, charcoal and other combustible materials are made.
		Smithson was appointed professor of chemistry at Cambridge in 1813 but lived to deliver only one course of lectures for he was tragically killed in a riding accident near Boulogne on February 22 1815 at the age of 55.
	www.selbytoday.co.uk /ViewArticle2.aspx?SectionID=994&ArticleID=822573 (739 words)

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