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Topic: Yttrium

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Lanthanum

Chemical series

Erbium

Scandium

Europium

Periodic table (standard)

Ytterbium

Periodic table

Thulium

Zirconium

Gadolinium

Polonium

Niobium

Holmium

Terbium

	Yttrium - Wikipedia, the free encyclopedia
		Yttrium is a chemical element in the periodic table that has the symbol Y and atomic number 39.
		Yttrium is a silver-metallic, lustrous rare earth metal that is relatively stable in air and chemically resembles the lanthanides.
		Yttrium aluminium garnet, yttrium lithium fluoride, and yttrium vanadate are used in combination with dopants such as neodymium or erbium in infrared lasers.
	en.wikipedia.org /wiki/Yttrium (801 words)

	Yttrium (Y) - Chemical properties, Health and Environmental effects
		Yttrium is fairly stable in air, because it is proteced by the formation by the formation of a stable oxide film on its surface, but oxidizes readily when heated.
		Yttrium metal has found some use alloyed in small amounts with other metals and It is used to increase the strength of aluminium and magnesium alloys.
		Yttrium is found in the rare-earth mineral monazite, of which it makes 2.5%, and in smaller quantities in other minerals such as barnasite, fergusonite and smarskite.
	www.lenntech.com /Periodic-chart-elements/Y-en.htm (549 words)

	yttrium
		Yttrium oxide is one of the most important compounds of yttrium and accounts for the largest use.
		Yttrium iron garnet is also exceptionally efficient as both a transmitter and transducer of acoustic energy.
		Yttrium has been considered for use as a nodulizer for producing nodular cast iron, in which the graphite forms compact nodules instead of the usual flakes.
	www.speclab.com /elements/yttrium.htm (504 words)

	yttrium. The Columbia Encyclopedia, Sixth Edition. 2001-05 (Site not responding. Last check: 2007-11-07)
		Yttrium is fairly stable in air but oxidizes readily when heated.
		Yttrium metal has found some use alloyed in small amounts with other metals.
		Yttrium is not found uncombined in nature, but occurs in many minerals, e.g., gadolinite, euxenite, and xenotime.
	www.bartleby.com /65/yt/yttrium.html (203 words)

	Yttrium (Site not responding. Last check: 2007-11-07)
		When Yttrium is in it's powder form, it reacts explosively with oxygen at high temperatures.
		Yttrium is found in the lasers used for surgery.
		Yttrium helps form a red phosphor which is used in color television screens and computers.
	ghsonline.net /projects/periodictable/2000/Y.htm (47 words)

	Yttrium (Site not responding. Last check: 2007-11-07)
		Although a period 5 transition metal, yttrium is associated with the rare earths.
		In 1843 C. Mosander separated yttria into oxides of three metals, which were named yttrium, erbium and terbium, as they were found in a quarry near Ytterby, Sweden.
		Yttrium is used in color phosphors, lasers, ceramic superconductors and has been found in relatively high concentrations in lunar samples.
	chemlab.pc.maricopa.edu /periodic/y.html (126 words)

	Yttrium (Site not responding. Last check: 2007-11-07)
		In 1828, yttrium was discovered in a new mineral, gadolinite, which was found near the Swedish town Ytterby.
		Today, commercial-grade yttrium is obtained from monazite sand, a mixture of phosphates of thorium, cerium, and most of the other rare-earths.
		Yttrium oxide is used with europium in phosphors for the brilliant red colour in television tubes.
	nobel.scas.bcit.ca /resource/ptable/y.htm (118 words)

	YTTRIUM (Site not responding. Last check: 2007-11-07)
		Yttrium is now mostly found in minerals called monazite and xenotime, these are mined throughout the world in the countries of Australia, Sri Lanka, Malaysia, Indonesia, Canada, South Africa, and the U.S. The biggest deposits are found in Brazil and India.
		When Yttrium oxide and iron oxide are combined they form two kinds of crystals called garnet, which acts as a microwave filter used in radar equipment and the other kind of crystal acts as an imitation crystal.
		Yttrium is considered a rare earth element and is often associated with them, even thouth Yttrium only has two electrons in its outer shell.
	lakeview.esu7.org /science/y.htm (258 words)

	Yttrium
		Yttrium has a silvery metallic luster and is relatively stable in air.
		Yttrium iron, aluminum, and gadolinium garnets, with formulas such as Y3Fe5O12 and Y3A15012, have interesting magnetic proper- ties.
		Yttrium metal of 99+ % purity is commercially available at a cost of about $1/gm or $200/lb.
	pte.8k.com /EL039.html (506 words)

	C&EN: IT'S ELEMENTAL: THE PERIODIC TABLE - YTTRIUM
		While yttrium is not known to exhibit any significant biological function, its compounds have helped provide some modern-day comforts, such as color television and wireless communication.
		Although yttrium is a metal that is not superconducting at ambient pressure, its carbon compound, Y
		Yttrium oxide is combined with europium to give the red phosphor in color television tubes.
	pubs.acs.org /cen/80th/yttrium.html (759 words)

	Chemistry : Periodic Table : yttrium : key information (Site not responding. Last check: 2007-11-07)
		Moon rocks contain yttrium and yttrium is used as a "phosphor" to produce the red colour in television screens.
		Yttrium metal is available commercially so it is not normally necesary to make it in the laboratory.
		Yttrium is found in lathanoid minerals and the extraction of the yttrium and the lanthanoid metals from the ores is highly complex.
	www.webelements.com /webelements/elements/text/Y/key.html (201 words)

	It's Elemental - The Element Yttrium
		Yttrium was discovered by Johan Gadolin, a Finnish chemist, while analyzing the composition of the mineral gadolinite ((Ce, La, Nd, Y) FeBe
		Today, yttrium is primarily obtained through an ion exchange process from monazite sand ((Ce, La, Th, Nd, Y)PO), a material rich in rare earth elements.
		Although metallic yttrium is not widely used, several of its compounds are.
	education.jlab.org /itselemental/ele039.html (113 words)

	Yttrium
		(Ytterby, a villiage in Sweden near Vauxholm) Yttria, which is an earth containing yttrium, was discovered by Johann Gadolin of Finland in 1794.
		Yttrium occurs in nearly all of the rare-earth minerals.
		Yttrium metal of 99.9% purity is commercially available at a cost of about $75/oz.
	www.corrosionsource.com /handbook/periodic/39.htm (501 words)

	Yttrium (Site not responding. Last check: 2007-11-07)
		Yttrium is named for the Swedish village of Ytterby and was first isolated in 1794.
		Yttrium is recovered commercially from monzanite sand, which contains about 3%, and from bastnasite, which contains about 0.2%.
		Yttrium has a silvery-metallic luster and is relatively stable in air.
	www.muhlenberg.edu /depts/chemistry/pertable/yttrinfo.htm (77 words)

	Yttrium
		Yttrium was discovered by a chemist named Johan Gadolin in 1794.
		Yttrium Oxide and Yttrium orthovanadate are used in color televisions and give you the red color you see on your screen.
		Garnets from Yttrium are mixed with iron and are used in microwave filters.
	www.chlive.org /dnemerofsky/elements/Y/yttrium.htm (203 words)

	Yttrium (Site not responding. Last check: 2007-11-07)
		(Ytterby, a village in Sweden near Vauxholm) Yttria, which is an earth containing yttrium, was discovered by Gadolin in 1794.
		Analysis of luncar rock samples obtained during the Apollo missions show a relatively high yttrium content.
		Turnings of the metal, however, ignite in air if their temperature exceeds 400C, and finely divided yttrium is very unstable in air.
	www.scescape.net /~woods/elements/yttrium.html (489 words)

	Yttrium (Site not responding. Last check: 2007-11-07)
		This is by far the most significant use of Yttrium.
		Yttrium also can be used to increase shock resistance in glass.
		Compounds of Yttrium are also used in lasers and superconducters.
	www.degj.com /yttrium.html (157 words)

	National Cancer Institute - Dictionary of Cancer Terms
		A radioactive form of yttrium is used in radiation therapy and some types of immunotherapy.
		A compound that contains the radioisotope yttrium Y 90 linked to the chemical biotin.
		Yttrium Y 90 DOTA-biotin will find tumor cells in the body that have been targeted by an antibody linked to streptavidin and kill them.
	www.cancer.gov /dictionary/db_alpha.aspx?expand=Y (235 words)

	Visual Elements - Yttrium
		A soft, silvery metal used in television screens to produce the colour red.
		Yttrium gives the red colour in TV screens and is also used in radar technology.
		Yttrium animation - click the icon above for viewing instructions.
	www.chemsoc.org /viselements/pages/yttrium.html (72 words)

	Yttrium [Y] [39] - Chemical element datasheet - Periodic Table of the Elements - ChemGlobe
		Yttrium [Y] [39] - Chemical element datasheet - Periodic Table of the Elements - ChemGlobe
		From the Swedish village, Ytterby, where one of its minerals was first found
		Yttrium oxide and iron oxide combine to form a crystal garnet used in radar.
	pol.spurious.biz /projects/chemglobe/ptoe/_/39.html (61 words)

	Yttrium (Site not responding. Last check: 2007-11-07)
		Yttria (yttrium oxide) was first isolated and recognized as that of a "new" element in 1794 by the chemist Johan Gadolin at the University of Abo, Finland.
		30 ppm - Yttrium is the 28th most abundant element.
		Approximately 23 ppm (dry weight) with a range of 10 - 150 ppm.
	www.science501.com /pcY.html (110 words)

	yttrium
		yttrium [for Ytterby, a town in Sweden], metallic chemical element; symbol Y; at.
		The metal was first isolated in 1828 by Friedrich Wöhler.
		Periodic Table of the Elements: Yttrium - Periodic Table of the Elements: Yttrium 39 Y Yttrium 88.9059 2 · 8 · 18 9 · 2
	www.factmonster.com /ce6/sci/A0853179.html (246 words)

	Yttrium (Site not responding. Last check: 2007-11-07)
		Turnings of the metal, however, ignite in air if their temperature exceeds 400
		C, and finely divided yttrium is very unstable in air.
		Yttrium iron, aluminum, and gadolinium garnets, with formulas such as Y
	www.3rd1000.com /elements/yttrium.htm (482 words)

	A Dictionary of Chemistry: yttrium @ HighBeam Research (Site not responding. Last check: 2007-11-07)
		A Dictionary of Chemistry: yttrium @ HighBeam Research
		Search for more information on HighBeam Research for.
		yttrium Symbol Y. A silvery-grey metallic element belonging to group 3 (formerly IIIA) of the periodic table; a.n.
	www.highbeam.com /doc/1O81:yttrium/yttrium.html?refid=ip_hf (152 words)

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