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Topic: Iridiosmium

	Platinum group - Wikipedia, the free encyclopedia
		Osmium is found in iridiosmium a naturally occurring alloy of iridium and osmium and in platinum-bearing river sands in the Ural Mountains, North, and South America.
		Naturally occurring iridium alloys include osmiridium and iridiosmium, both of which are mixtures of iridium and osmium.
		It is recovered commercially as a by-product from nickel mining and processing.
	en.wikipedia.org /wiki/Platinum_group (921 words)

	Read about Osmium at WorldVillage Encyclopedia. Research Osmium and learn about Osmium here! (Site not responding. Last check: 2007-10-21)
		Greek osme meaning "a smell") was discovered in 1803 by Smithson Tennant in London, England along with
		iridiosmium a naturally occurring alloy of iridium and osmium and in
		Sudbury, Ontario region with other platinum group metals.
	encyclopedia.worldvillage.com /s/b/Osmium (466 words)

	Osmium (Site not responding. Last check: 2007-10-21)
		Osmium (Greek osme meaning "a smell") was discovered in 1803 by Smithson Tennant inLondon, England along with iridium in the residue of dissolving platinum in aqua regia.
		This transition metal is found in iridiosmium a naturally occurring alloy of iridium and osmium and in platinum -bearing river sands in the Ural Mountains, and North and SouthAmerica.
		It is also occurs in nickel -bearing ores found in the Sudbury, Ontario region with other platinum group metals.
	www.therfcc.org /osmium-46832.html (583 words)

	Iridium - Science-Park.info (Site not responding. Last check: 2007-10-21)
		The name was given because of the variety of colors of its compound.
		It is obtained from native osmiridium or iridiosmium in Alaska and South Africa.
		It can also be obtained from anode slime, produced during electrolytc refinement of copper and nickel.
	www.science-park.info /periodic/elements/Ir.html (223 words)

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