
	Where results make sense

Topic: Lanthanum

Related Topics

Period 1 element

Gadolinium

Neodymium

Cerium

Chemical series

Praseodymium

Europium

Periodic table (standard)

Rhenium

Cerium

Erbium

Yttrium

Thulium

Manganese

Zirconium

	Chemistry : Periodic Table : lanthanum : key information
		This sample is from The Elements Collection, an attractive and safely packaged collection of the 92 naturally occurring elements that is available for sale.
		Lanthanum is silvery white, malleable, ductile, and soft enough to be cut with a knife.
		Lanthanum metal is available commercially so it is not normally necessary to make it in the laboratory, which is just as well as it is difficult to separate it from as the pure metal.
	www.webelements.com /webelements/elements/text/La/key.html (409 words)

	Lanthanum - Products - HEFA Rare Earth Canada Ltd.
		Lanthanum Oxide is a kind of white powder used as the raw material of optical glass, optical fiber, catalyst and lanthanum metal.
		Lanthanum Carbonate is a kind of white powder.
		Lanthanum Nitrate is a kind of colorless granular crystal, used as raw material of catalyst and lanthanum compounds.
	www.baotou-rareearth.com /la.html (398 words)

	CRCPress Periodic Table Online: Cadmium
		Natural lanthanum is mixture of two isotopes, one of which is stable and one of which is radioactive with a very long half-life.
		Rare-earth compounds containing lanthanum are extensively used in carbon lighting applications, especially by the motion picture industry for studio lighting and projection.
		Lanthanum and its compounds have a low to moderate acute toxicity rating; therefore, care should be taken in handling them.
	www.chemnetbase.com /periodic_table/elements/lanthanum.htm (339 words)

	Lanthanum - LoveToKnow 1911
		Lanthanum oxide, La203, is a white powder obtained by burning the metal in oxygen, or by ignition of the carbonate, nitrate or sulphate.
		Lanthanum chloride, LaC1 3, is obtained in the anhydrous condition by heating lanthanum ammonium chloride or, according to C. Matignon (Comet.
		By evaporation of a solution of lanthanum oxide in hydrochloric acid to the consistency of a syrup, and allowing the solution to stand, large colourless crystals of a hydrated chloride of the composition 2LaC1 3.15H 2 O are obtained.
	www.1911encyclopedia.org /Lanthanum (505 words)

	Lanthanum
		Lanthanum is a silvery white metallic element belonging to group 3 of the periodic table and often considered to be one of the lanthanides.
		Lanthanum was discovered in 1839 by Swedish chemist Carl Gustav Mosander, when he partially decomposed a sample of cerium nitrate by heating and treating the resulting salt with dilute nitric acid.
		Lanthanum carbonate was approved as a medication (Fosrenol®, Shire Pharmaceuticals) to absorb excess phosphate in cases of end-stage renal failure.
	www.dejavu.org /cgi-bin/get.cgi?ver=93&url=http%3A%2F%2Farticles.gourt.com%2F%3Farticle%3Dlanthanum%26type%3Den (583 words)

	lanthanum - HighBeam Encyclopedia
		Lanthanum is a soft, malleable, ductile, silver-white metal; at room temperature it has a hexagonal close-packed crystalline structure that is unstable at higher temperatures (see allotropy).
		Lanthanum is usually considered the first member of the lanthanide series, a group of elements with similar physical and chemical properties.
		One radioactive byproduct of the fission of plutonium, thorium, or uranium is a mixture of radioactive isotopes of lanthanum; 17 radioactive isotopes are known.
	www.encyclopedia.com /doc/1E1-lanthanu.html (651 words)

	Lanthanum Summary
		Lanthanum is a silvery white metallic element belonging to group 3 of the periodic table and often considered to be one of the lanthanides.
		Lanthanum was discovered in 1839 by Swedish chemist Carl Gustav Mosander, when he partially decomposed a sample of cerium nitrate by heating and treating the resulting salt with dilute nitric acid.
		Lanthanum carbonate was approved as a medication (Fosrenol®, Shire Pharmaceuticals) to absorb excess phosphate in cases of end-stage renal failure.
	www.bookrags.com /Lanthanum (2394 words)

	FOSRENOL (R) maintains bone health status of end-stage renal disease patients
		Lanthanum carbonate dissociates in the acid environment of the upper GI tract to release lanthanum ions that bind dietary phosphate released from food during digestion.
		Lanthanum is not metabolized and is not a substrate of CYP450.
		No effects of lanthanum were found on the absorption of digoxin (0.5-mg), metoprolol (100-mg), or warfarin (10-mg) in healthy subjects co-administered lanthanum carbonate (three doses of 1000 mg on the day prior to exposure and one dose of 1000 mg on the day of co-administration).
	www.eurekalert.org /pub_releases/2004-10/pn-fm102904.php (3289 words)

	Lanthanum \| Chemical Elements
		Lanthanum is the third element in Row 6 of the periodic table.
		Lanthanum is a transition element in Group 3 (IIIB) of the periodic table.
		Lanthanum is relatively common in the Earth's crust.
	www.bookrags.com /research/lanthanum (1134 words)

	Lanthanum (La) - Chemical properties, Health and Environmental effects
		Lanthanum salts are included in the zeolite catalysts used in petroleum refining because thay stabilize the zeolite at high temperatures.
		The use of lanthanum is still growing, due to the fact that it is suited to produce catalysers and to polish glass.
		Lanthanum is mostly dangerous in the working environment, due to the fact that damps and gasses can be inhaled with air.
	www.lenntech.com /Periodic-chart-elements/La-en.htm (397 words)

	Lanthanum (Site not responding. Last check: )
		Commercial-grade lanthanum is obtained from monazite sand, which is a mixture of phosphates of thorium, cerium, and most of the other rare-earths.
		Lanthanum is used as electrodes for high-intensity, carbon-arc lights, the kind that is used in commercial motion picture projectors and searchlights.
		Lanthanum compounds are used in glass and ceramics, as phosphors in fluorescent lamps.
	nobel.scas.bcit.ca /resource/ptable/la.htm (162 words)

	Drugs and Treatments - Lanthanum Oral - Patient Handout from WebMD
		Lanthanum is used to prevent high blood phosphate levels in patients who are on dialysis due to severe kidney disease.
		Lanthanum is a natural mineral that works by holding onto phosphate from the diet so that it can pass out of your body.
		Lanthanum may interfere with the absorption of certain other medications taken by mouth (drugs that interact with antacids).
	www.webmd.com /drugs/drug-92199-Lanthanum+Oral.aspx?drugid=92199&drugname=Lanthanum+Oral (942 words)

	LANTHANUM CARBONATE (MDXexchange)
		Lanthanum carbonate was not associated with adverse effects on bone when taken continuously for 12 months in a phase III study; there was no evidence of development of low bone turnover during therapy (Anon, 2002).
		Lanthanum carbonate is an effective oral phosphate binder for the treatment of hyperphosphatemia in patients with end-stage renal disease.
		Studies comparing lanthanum carbonate to other phosphate binders such as sevelamer, a non- absorbable calcium-free and aluminum-free compound, and mixed metal hydroxy-carbonate compounds are needed in order to fully assess efficacy and establish the place in therapy of lanthanum carbonate.
	www.micromedex.com /products/updates/drugdex_updates/de/lanthanum.html (1466 words)

	lanthanum - definition by dict.die.net
		lanthanum n : a white soft metallic element that tarnishes readily; occurs in rare earth minerals and is usually classified as a rare earth [syn: La, atomic number 57]
		lanthanum Symbol: La Atomic number: 57 Atomic weight: 138.9055 (From the Greek word lanthanein, to line hidden) Silvery metallic element belonging to group 3 of the periodic table and oft considered to be one of the lanthanoids.
		Lanthanum has a low to moderate level of toxicity, and should be handled with care.
	dict.die.net /lanthanum (150 words)

	Food-Info.net : Heavy Metals > Lanthanum (La)
		Lanthanum is one of the rare elements and can be found in houses in equipment such as colour televisions, fluorescent lamps, energy-saving lamps and glasses.
		The use of lanthanum is still growing, due to the fact that it is used as a catalyst in industry and to polish glass.
		Lanthanum may also cause cancer in humans, as it increases the risk of lung cancer when it is inhaled.
	www.food-info.net /uk/metal/lanthanum.htm (154 words)

	lanthanum. The Columbia Encyclopedia, Sixth Edition. 2001-05
		It is one of the rare-earth metals of group IIIb of the periodic table.
		Lanthanum may be used in making ductile cast iron; alloyed with other metals, it is used in cigarette lighter flints.
		Natural lanthanum is a mixture of two stable isotopes.
	www.bartleby.com /65/la/lanthanu.html (280 words)

	Olympus MIC-D: Oblique Gallery - Lanthanum Aluminate Twinning
		Lanthanum aluminate is a member of the perovskite class of ceramics, many of which are able to superconduct at liquid nitrogen temperatures.
		Although not a superconductor itself, lanthanum aluminate is well adapted as an epitaxial substrate for growing thin films of related superconducting ceramics.
		Lanthanum is an element from the rare earth series.
	www.olympusmicro.com /micd/galleries/oblique/laomedium.html (361 words)

	lanthanum — Infoplease.com
		Lanthanum may be prepared by reduction of lanthanum fluoride with calcium metal.
		One radioactive byproduct of the fission of plutonium, thorium, or uranium is a mixture of radioactive isotopes of lanthanum; 17 radioactive isotopes are known.
		Effects of humic and fulvic acids on the rhizotoxicity of lanthanum and aluminium to corn.
	www.infoplease.com /ce6/sci/A0828841.html (401 words)

	Lanthanum (La) (Site not responding. Last check: )
		Lanthanum is a silvery-white malleable, ductile metallic element that is soft enough to be cut with a knife.
		Lanthanum is fairly common, ranking 28th in abundance of the elements in the earth's crust.
		Lanthanum was discovered in 1839 by Carl Gustav Mosander (a Swedish chemist).
	www.bayerus.com /msms/fun/pages/periodic/lanthanum/index.html (150 words)

	Lanthanum
		In healthy males aged 22-50 years less than 0.001% of the Lanthanum dose was absorbed into the systemic circulation when the drug was given with food The rate of lanthanum absorption was relatively slow, with peak levels occurring 12 hours after the first dose.
		In another study, after 6 weeks of Lanthanum carbonate treatment (225 to 2259 mg/day) plasma Lanthanum levels increased in a dose dependent fashion (0.23±0.23 ng/ ml for dosing of 225 mg/day, 0.80±1.18 ng/ml for 675 mg/day, 0.48 ±0.43 ng/ml for 1350 mg/day, 1.16±1.91ng/ml for 2250 mg/day, as compared to placebo groups (0.10 ±0.91ng/ml).
		With Lanthanum carbonate single dose (1g) AUC was 1.123 in healthy subjects versus 3.09 and 6.622 in uremic people before and after dialysis.
	www.bio.unipd.it /~zatta/metals/lanthanu.htm (1515 words)

	Reference.com/Encyclopedia/Lanthanum hexaboride
		It is a refractory ceramic material that has a melting point of 2210 °C, is insoluble in water and hydrochloric acid, and is slightly hygroscopic.
		The principial use of lanthanum hexaboride is in hot cathodes, either as a single crystal or as a coating deposited by physical vapor deposition.
		Lanthanum hexaboride slowly evaporates from the heated cathodes and forms deposits on the Wehnelt cylinders and apertures.
	www.reference.com /browse/wiki/Lanthanum_Hexaboride (269 words)

	LANTHANUM in West Virginia Coals (Site not responding. Last check: )
		Lanthanum is one of the rare earth elements (REE) present in coals in trace amounts and of no environmental concern.
		Geologic Distribution: Lanthanum is an important component of the mineral monazite ((Ce, La, Y, Th)PO Monazite was found in trace amounts in 22 of 24 coal samples examined using scanning electron microscopy (SEM) in an unpublished study by the WVGES and probably is present in most coals.
		Lanthanum correlated slightly with ash yield, but mainly with REE occurring in the mineral monazite, especially cerium (Ce) and lower for samarium (Sm), europium (Eu), lutetium (Lu), ytterbium (Yb), neodymium (Nd) and terbium (Tb).
	www.wvgs.wvnet.edu /www/datastat/te/LaHome.htm (272 words)

	Lanthanum - The Periodic Table of the Elements - Formation Inc. - The Information Corporation (Site not responding. Last check: )
		Lanthanum is a heavy and unique rare earth Element, which also marks the start of the Lanthanide (f-shell) series of rare earth metals, which are even more unique and interesting (Electronically).
		Lanthanum's main claim to fame, is as a rock salt layer in the perovskite Cuprate superconductors La
		Lanthanum, along with Yttrium, forms an unusual Hydride, which undergoes an Optically active Metal - Insulator Transition, of the strongly correlated variety, when the Hydrogen content varies from LaH to LaH
	www.lifeform.org /elements/lanthanum.htm (225 words)

Try your search on: Qwika (all wikis)