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Topic: Cerium

Related Topics

Lanthanum

Cerium(IV) sulfate

Praseodymium

Lanthanum

Neodymium

CE

Samarium

Mischmetal

Thulium

Erbium

Dysprosium

Lutetium

Columbium

Ytterbium

	It's Elemental - The Element Cerium
		Cerium is one of the rare earth elements used to make carbon arc lights which are used in the motion picture industry for studio lighting and projector lights.
		Cerium is also used as a catalyst to refine petroleum and as an alloying agent to make special metals.
		Cerium oxide is also used to polish glass surfaces.
	education.jlab.org /itselemental/ele058.html (209 words)

	cerium. The Columbia Encyclopedia, Sixth Edition. 2001-05
		An alloy of cerium and iron is used as the flint in cigarette and gas lighters.
		Cerium is prepared by electrolysis of the chloride or by reduction of the fused fluoride with calcium.
		Cerium was recognized in 1803 in the oxide (ceria) as a new metal by M. Klaproth and by J. Berzelius and Wilhelm Hisinger; it was named for the asteroid Ceres, which had been discovered only two years earlier.
	www.bartleby.com /65/ce/cerium.html (299 words)

	Cerium - Cerium (Ce) Properties and Applications
		Cerium has a variable electronic structure, which means only small amounts of energy are required to change the relative occupancy of the electronic levels.
		Cerium compounds are used in the manufacture of glass, as a component and a decolouriser.
		Cerium in conjunction with other rare earth metals is used in carbon-arc lighting, which is implemented in the motion picture industry.
	www.azom.com /details.asp?ArticleID=592 (443 words)

	Cerium - LoveToKnow 1911
		CERIUM (symbol Ce, atomic weight 140.25), a metallic chemical element which occurs with the rare earths in the minerals cerite, samarskite, euxenite, monazite, parisite and many yttrium minerals.
		From the crude oxide so obtained (which contains lanthanum and didymium oxides) the cerium may be separated by conversion into its double sulphate on the addition of potassium sulphate, the sulphates of the cerium group being insoluble in a saturated solution of potassium sulphate.
		Cerium compounds may be recognized by the red precipitate of ceric hydroxide, which is formed when sodium hypochlorite is added to a colourless cerous salt.
	www.1911encyclopedia.org /Cerium (932 words)

	Wikinfo \| Cerium (Site not responding. Last check: 2007-11-06)
		Cerium is a component of Mischmetal, which is extensively used in the manufacture of pyrophoric alloys for cigarette lighters.
		Cerium compounds are used in the manufacture of glass, both as a component and as a decolorizer.
		Cerium is a strong reducing agent and ignites spontaneously in air at 65-80 degrees C. Cerium may react explosively with zinc, and its reactions with bismuth and antimony are very exothermic.
	www.wikinfo.org /wiki.php?title=Cerium (877 words)

	Cerium (Ce) - Chemical properties, Health and Environmental effects
		All new cars are now equipped with catalytic conveter which consist in a ceramic or metal substrate, a coating of aluminium and cerium oxides and a layer of finely dispersed metal such as platinum or rhodium, which is the active surface.
		Cerium comes mainly from the major lanthanide ores but some is obtained from perovskite, a titanium mineral and allanite, both of which can have enough cerium to make them viable sources.
		Cerium is one of the rare chemicals, that can be found in houses in equipment such as colour televisions, fluorescent lamps, energy-saving lamps and glasses.
	www.lenntech.com /Periodic-chart-elements/Ce-en.htm (571 words)

	Ce - Cerium
		Cerium was named for the asteroid Ceres, which was discovered in 1801.
		Cerium is the most abundant so-called rare-earths metal.
		Metallic cerium is prepared by metallothermic reduction techniques, such as reducingcerous fluoride with calcium, or using electrolysis of molten cerous chloride or others processes.
	www.physlink.com /Reference/ChemicalElements/cerium.cfm (126 words)

	Welcome to Cerium ONLINE!!
		Cerium was founded in 1971, first as a distributor then as a manufacturer of high grade optical products, specifically for ophthalmic applications.
		Cerium Optical Products supplies both specialised equipment and consumable items for the production of optical lenses.
		Cerium has a 25 year history of achievement in the optical industry.
	www.ceriumoptical.com (192 words)

	Cerium Oxide Nanotubes Get Noticed
		"Cerium oxide nanotubes have potential applications as catalysts in vehicle emission-control systems and even fuel cells," says Brookhaven chemist Wei-Qiang Han, the lead scientist involved in the work.
		Han and his colleagues are in the midst of ongoing research into the structure and properties of cerium oxide nanotubes.
		During his talk, Han will also discuss his group's recent study -- how cerium oxide nanotubes release oxygen ions when immersed in a low-oxygen environment, a process that is critical to the nanotubes' effectiveness as catalysts.
	www.medicalnewstoday.com /medicalnews.php?newsid=40546 (607 words)

	Cerium Summary
		Cerium is used as an alloying element in tungsten electrodes for gas tungsten arc welding.
		Cerium compounds are used in the manufacture of glass, both as a component and as a decolorizer.
		Cerium is a strong reducing agent and ignites spontaneously in air at 65 to 80 °C. Fumes from cerium fires are toxic.
	www.bookrags.com /Cerium (2875 words)

	Spartanburg SC \| GoUpstate.com \| Spartanburg Herald-Journal (Site not responding. Last check: 2007-11-06)
		Cerium is a silvery metallic element, belonging to the lanthanide group.
		Cerium was discovered in Sweden by JÃ¶ns Jakob Berzelius and Wilhelm von Hisinger, and independently in Germany by Martin Heinrich Klaproth, both in 1803.
		Cerium is a strong reducing agent and ignites spontaneously in air at 65 to 80 Â°C. Fumes from cerium fires are toxic.
	www.goupstate.com /apps/pbcs.dll/section?category=NEWS&template=wiki&text=cerium (935 words)

	The Hendrix Group - Cerium
		Metallic cerium is prepared by metallothermic reduction techniques, such as reducing cerous fluoride with calcium, or using electrolysis of molten cerous chloride or others processes.
		Cerium is a component of misch metal, which is extensively used in the manufacture of pyrophoric alloys for cigarette lighters.
		Cerium, with other rare earths, is used in carbon-arc lighting, especially in the motion picture industry.
	www.hghouston.com /elements/58.html (507 words)

	Cerium (Ce) (Site not responding. Last check: 2007-11-06)
		Cerium is the most abundant and the most reactive of the rare earth elements.
		Cerium is the only one of the rare earth metals that can be easily separated from the others.
		Metallic cerium is found in an alloy with iron that is used in flints for cigarette lighters.
	www.bayerus.com /msms/fun/pages/periodic/cerium/index.html (160 words)

	cerium
		Cerium - (named for the asteroid Ceres, which was discovered in 1801 only 2 years before the element), Ce; at.
		Cerium is the most abundant of the metals of the so-called rare earths.
		Cerium is a component of misch metal, which is extensively used in the manufacture of pyrophoric alloys for cigarette lighters, etc. Natural cerium is stable and contains four isotopes.
	www.speclab.com /elements/cerium.htm (612 words)

	American Elements: Cerium Supplier & Technical Information
		Cerium is available as metal and compounds with purities from 99% to 99.999% (ACS grade to ultra high purity); metals in the form of foil, sputtering target, and rod, and compounds as submicron and nanopowder.
		Cerium is also used in a variety of ceramics, including dental compositions and as a phase stabilizer in zirconia-based products.
		Cerium is available in soluble forms including chlorides, nitrates and acetates.
	www.americanelements.com /ce.html (714 words)

	CRCPress Periodic Table Online: Cadmium
		Metallic cerium is prepared by metallothermic reduction techniques, such as by reducing cerous fluoride with calcium, or by electrolysis of molten cerous chloride or other cerous halides.
		Four allotropic modifications are thought to exist: cerium at room temperature and at atmospheric pressure is known as γ cerium.
		Cerium is a component of misch metal, which is extensively used in the manufacture of pyrophoric alloys for cigarette lighters, etc.
	www.chemnetbase.com /periodic_table/elements/cerium.htm (610 words)

	Cerium (Element) (Site not responding. Last check: 2007-11-06)
		Cerium was named after the asteroid Ceres which was discovered only two years before the element.
		Metallic Cerium is prepared by metallothermic reduction techniques, such as reducing cerous fluoride with calcium.
		Cerium is one of the most reactive of the rare-earth metal.
	www.tamuk.edu /chemistry/WebElements/cerium_element.htm (71 words)

	Cerium Oxide - NanoArc® Cerium Oxide Nanomaterials From Nanophase Technologies Corporation
		Cerium oxide water borne dispersion is suitable for use in acid side ultra fine polishing slurries.
		Cerium oxide water borne dispersion is suitable for use in alkaline side polishing slurries.
		Cerium oxide water borne dispersion with polishing performance additives is suitable for use in alkaline or acid side ultra fine polishing slurries.
	www.azonano.com /Details.asp?ArticleID=1730 (1181 words)

	Synthesis and Characterisation of Cerium-Samarium Mixed Oxide Nanorods - Science - RedOrbit
		While at this resolution, cerium and oxygen appeared to be evenly distributed within the particles, the samarium signal showed variation across some of the particles which can be attributed to some degree of samarium inhomogeneity.
		The elemental distribution data together with the identified separate phases of the hydrated samarium and cerium oxides in the XRD data suggest the existence of nanodomains within the particles containing higher concentrations of either cerium or samarium that were partly resolved at the selected magnification.
		Cerium trihydroxide is unstable and oxidises upon prolonged atmospheric exposure to cerium tetrahydroxide Ce(OH)^sub 4^ with cubic structure.
	www.redorbit.com /news/science/747685/synthesis_and_characterisation_of_ceriumsamarium_mixed_oxide_nanorods/index.html?source=r_science (1898 words)

	Minerals Containing Cerium
		JOAQUINITE-(Ce) (Hydrated Sodium Barium Iron Cerium Titanium Niobium Silicate Oxide Hydroxide Fluoride)
		Cerium is named after the asteroid Ceres which was discovered two years before the element in 1803.
		Cerium is the most abundant of the rare earth metals and is found in many more minerals than are listed here.
	mineral.galleries.com /minerals/content/cerium.htm (102 words)

	Cerium - Products - HEFA Rare Earth Canada Ltd.
		In catalytic converters Cerium acts as a stabilizer for the high surface area alumina, as a promoter of the water-gas shift reaction, and as an oxygen storage component.
		Cerium Oxalate is yellow, Soluble in water and strong mineral acids.
		Cerium Ammonium Nitrate is orange-red crystal As chemical reagent and corrosive of integrated plate, also used in medicine industry.
	www.baotou-rareearth.com /ce.html (691 words)

	Cerium Oxide, Metal & Compounds from Metall Rare Earth Limited
		Cerium, atomic no.: 57, symbol as Ce, weight at 140.12, is the most abundant of the rare earths.
		Cerium is added to the dominant catalyst for the production of styrene from methylbenzene to improve styrene formation.
		It is used in FCC catalysts containing zeolites to provide both catalytic reactivity in the reactor and thermal stability in the regenerator.
	www.metall.com.cn /ce.htm (445 words)

	CERIUM in West Virginia Coals (Site not responding. Last check: 2007-11-06)
		Cerium is one of the rare earth elements (REE) present in West Virginia coals with little environmental impact.
		Cerium averaged 16.88 ppm in West Virginia coals, and statistically correlated with other REE and elements associated with ash yield.
		Cerium is used in the manufacture of cigarette lighters, incandescent mantles in gas lights, as a catalyst in self-cleaning ovens, a catalyst in petroleum refining and as a polishing compound
	www.wvgs.wvnet.edu /www/datastat/te/CeHome.htm (357 words)

	The Element Cerium
		Cerium was discovered by Jons Jacob Berzelius and Wilhelm von Hisinger in Sweden in 1803.
		Check out Cerium on the Periodic Table which arranges each chemical element according to its atomic number, as based on the periodic law, so that chemical elements with similar properties are in the same column.
		Our Periodic Table is simple to use - just click on the symbol for Cerium for additional information and for an instant comparison of the Atomic Weight, Melting Point, Boiling Point and Mass - G/cc with any other element.
	www.periodic-table.org.uk /element-cerium.htm (369 words)

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