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Topic: Cobalt


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In the News (Mon 19 Feb 18)

  
  Cobalt - Wikipedia, the free encyclopedia
Cobalt is a central component of the vitamin cobalamin, or vitamin B-12.
Cobalt is not found as a free metal and is generally found in the form of ores.
Cobalt is usually not mined alone, and tends to be produced as a by-product of nickel and copper mining activities.
en.wikipedia.org /wiki/Cobalt   (1040 words)

  
 Cobalt - MSN Encarta
Cobalt melts at about 1495°C (about 2723°F), boils at about 2927°C (about 5301°F), and has a specific gravity of 8.9; the atomic weight of cobalt is 58.933.
The chief commercial sources of cobalt are the cobaltite ores of Ontario in Canada, and the central African nations of the Democratic Republic of the Congo (DRC, formerly Zaire) and Zambia, which, along with Canada, are the world's leading producers of the metal.
Cobalt is also used in ceramics and paint driers, and as a catalyst.
encarta.msn.com /encnet/refpages/RefArticle.aspx?refid=761564789   (299 words)

  
 Cobalt Info - Encyclopedia WikiWhat.com
Metallic cobalt commonly presents a mixture of two cristallographic structures hcp and fcc with a transition temperature hcp->fcc of 722 K. Common oxidation states of cobalt include +2, and +3, though +1 is also seen.
The isotopes of cobalt range in atomic weight from 50 amu (50-Co) to 73 amu (73-Co).
Cobalt 60 is a risk factor in a nuclear confrontation because neutron emissions will convert some iron into this radioactive isotope.
wikiwhat.com /encyclopedia/c/co/cobalt.html   (927 words)

  
 Cobalt (Co) - Chemical properties, Health and Environmental effects
Cobalt is used in many alloys (superalloys for parts in gas turbine aircrafr engines, corrosion resistant alloys, high-speed steels, cemented carbides), in magents and magnetic recording media, as catalysts for the petroleum and chemical industries, as drying agents for paints and inks.
Cobalt is of relatively low abundance in the Earth's crust and in natural waters, from which it is precipitated as the highly insoluble cobalt sulfine CoS.
Cobalt is not often freely available in the environment, but when cobalt particles are not bound to soil or sediment particles the uptake by plants and animals is higher and accumulation in plants and animals may occur.
www.lenntech.com /Periodic-chart-elements/Co-en.htm   (1027 words)

  
 Cobalt   (Site not responding. Last check: 2007-10-22)
Cobalt occurs in the mineral cobaltite, smaltite, and erythrite, and is often associated with nickel, silver, lead, copper, and iron ores, from which it is most frequently obtained as a by-product.
Cobalt is also used in other magnetic steels and stainless steels, and in alloys used in jet turbines and gas turbine generators.
Cobalt carefully used in the form of the chloride, sulfate, acetate, or nitrate has been found effective in correcting a certain mineral deficiency disease in animals.
www.scescape.net /~woods/elements/cobalt.html   (383 words)

  
 Cobalt Blue Glass from the Glass Encyclopedia
Cobalt blue glass is normally a deep rich blue like the vase on the left.
Cobalt is a metal, found in copper and nickel ores in many countries, but mined cheifly in Africa, USSR, Australia, Canada and smaller amounts in other countries.
Small amounts of cobalt (around 1 ounce per ton of glass) are used to neutralise the yellow tint of iron in glass such as window glass.
www.glassencyclopedia.com /cobaltglass.html   (876 words)

  
 Cobalt
Reduced liver stores of cobalt are considered indicative of a dietary cobalt deficiency in ruminants (McDowell, 1992) and its measurement is generally considered sufficiently responsive to changes in cobalt intake to be of diagnostic value in cobalt deficiency (Smith, 1987).
Cobalt has also been shown to be associated with impaired immune function in other species of ruminants, resulting in increased susceptibility to infection and reduced viability of newborn animals (MacPherson et al., 1987; Ferguson et al., 1989; Paterson and MacPherson, 1990; Fisher, 1991; Vellema et al., 1996).
Cobalt de¢ciency and Ostertagia circumcinta infection in lambs.
www.saanendoah.com /cobalt.html   (1031 words)

  
 cobalt
Cobalt molybdenum alloys are used for the desulfurization of high-sulfur bituminous coal, and cobalt iron alloys in the hydrocracking of crude oil shale and in coal liquefaction.
Cobalt dust is mildly irritating to the eyes and to a lesser extent to the skin.
The amount of cobalt mined is relatively small in comparison with copper, nickel, and the cobalt supply depends to a large extent on the demand for the latter two metals.
www.speclab.com /elements/cobalt.htm   (1724 words)

  
 Cobalt, Ontario - Wikipedia, the free encyclopedia
Cobalt is a town in the district of Timiskaming, province of Ontario, Canada, with a population of 1,221, and an area of 2.11 square kilometres.
Cobalt is known as the Silver Capital of Canada because during the early 1900's, mines in the area ~2 Million Canadian Dollars worth of silver were sold.
Cobalt2006.ca celebrating 100 years since the town of Cobalt was incorporated.
en.wikipedia.org /wiki/Cobalt,_Ontario   (233 words)

  
 ATSDR - ToxFAQs™: Cobalt
Cobalt is a naturally occurring element found in rocks, soil, water, plants, and animals.
Cobalt is used to produce alloys used in the manufacture of aircraft engines, magnets, grinding and cutting tools, artificial hip and knee joints.
Cobalt compounds are also used to color glass, ceramics and paints, and used as a drier for porcelain enamel and paints.
www.atsdr.cdc.gov /tfacts33.html   (1132 words)

  
 EPA - Cobalt - Information Home (EPA's Radiation Protection Program: Information)   (Site not responding. Last check: 2007-10-22)
Cobalt (chemical symbol Co) is a metal that may be stable (nonradioactive, as found in nature), or unstable (radioactive, man-made).
Nonradioactive cobalt occurs naturally in various minerals, and has been used for thousands of years to impart blue color to ceramic and glass.
Cobalt (including cobalt-60) is a hard, brittle, gray metal with a bluish tint.
www.epa.gov /radiation/radionuclides/cobalt.htm   (1080 words)

  
 It's Elemental - The Element Cobalt
Cobalt is usually recovered as a byproduct of mining and refining nickel, silver, lead, copper and iron.
Cobalt is also used to make alloys for jet engines and gas turbines, magnetic steels and some types of stainless steels.
Cobalt-60, a radioactive isotope of cobalt, is an important source of gamma rays and is used to treat some forms of cancer and as a medical tracer.
education.jlab.org /itselemental/ele027.html   (265 words)

  
 Idaho Cobalt - Home Page - Mon May 29, 2006
The Idaho Cobalt Project, located in east central Idaho, is a unique 100% owned primary cobalt deposit with production estimates of over 1,500 tonnes of high-grade cobalt per year.
Cobalt is an essential metal in today's society used in a wide variety of applications, including the production of "green" energy and environmentally conscious products such as hybrid electric vehicles.
The cobalt project's output will be equivalent to 3.3% of the entire global cobalt supply and it will be able to feed 15% of the North American demand for cobalt.
idahocobalt.com   (237 words)

  
 Cobalt cluster
Cobalt is a distributed-memory system, and requires explicit message passing programming in order to run jobs utilizing more than one CPU.
The second application parallelized for Cobalt is PAW.; Instructions describing parallel execution of PAW are given elsewhere.
This is different from the Cobalt proper, where you have to use slashes instead of dots in the pathname.
www.cobalt.chem.ucalgary.ca   (3929 words)

  
 Cobalt Friction Technologies USA
Cobalt Friction Technologies is a leading developer and manufacturer of high-performance brake friction compounds for professional motorsports and club racing applications.
Cobalt Racing Brakes can be found at all level of racings, and is spec equipment for several top teams in Grand Am Rolex, FIA GT, and Speed World Challenge.
The uncompromising performance and quality of Cobalt products, along with our industry-leading technical support and product knowledge, is the reason for our broad and continually expanding customer base in professional motorsports, club racing, and high-performance driver education programs.
www.cobaltfriction.com   (109 words)

  
 Chemistry : Periodic Table : cobalt : key information
cobalt is available in many forms including foil, pieces, powder, rod, and wire.
Small and large samples of cobalt foil and wire can be purchased from Advent Research Materials via their web catalogue.
Cobalt is a brittle, hard, transition metal with magnetic properties similar to those of iron.
www.webelements.com /webelements/elements/text/Co/key.html   (365 words)

  
 Ashlar-Vellum CAD solid modeling software - 2D, 3D precision product develpment software for Macintosh and Windows
Cobalt matches professional power with speed and ease of use for flexible 3D modeling.
Cobalt provides seamless data integration and accurate file sharing through our unparalleled set of translators, all included free.
Cobalt streamlines the design process from start to finish, saving you time and money.
www.ashlar.com /sections/products/cobalt/cobalt.html   (536 words)

  
 Palm OS 6 Cobalt Overview: The Palm OS Future
Cobalt is a new enhanced version of the Palm operating system that is designed to enable the creation of new categories of smart handheld devices.
Cobalt is a fully multi threading and multitasking OS, which means developers can create applications that operate concurrently and have tasks performed in the background.
Cobalts new synchronization system became a controversial topic since is was revealed that there would be no support for the Macintosh platform.
www.palminfocenter.com /view_story.asp?ID=6568   (4314 words)

  
 Caribbean Scuba Diving, Shore Diving and Snorkeling Vacations - Cobalt Coast Resort, Grand Cayman
Cobalt Coast is located in Boatswains Bay, near the Cayman Island Turtle Farm and Boatwains Beach, just a few miles north of bustling Seven Mile Beach.
Cobalt Coast Resort and Divetech, our award-winning dive operator, are very proud to have been voted #1 scuba diving resort in the Caribbean by Rodale's Scuba Diving Magazine readers.
The suite sets Cobalt Coast Resort apart from all other hotels with a bedroom that is completely separate from a spacious livingroom overlooking the Caribbean Sea.
www.cobaltcoast.com   (522 words)

  
 USGS Minerals Information: Cobalt
Cobalt (Co) is a strategic and critical metal used in many diverse commercial, industrial, and military applications.
The largest use of cobalt is in superalloys, which are used to make parts for gas turbine aircraft engines.
Cobalt is also used to make magnets; corrosion- and wear-resistant alloys; high-speed steels; cemented carbides (also called hardmetals) and diamond tools; catalysts for the petroleum and chemical industries; drying agents for paints, varnishes, and inks; ground coats for porcelain enamels; pigments; battery electrodes; steel-belted radial tires; and magnetic recording media.
minerals.usgs.gov /minerals/pubs/commodity/cobalt   (205 words)

  
 27 Cobalt
This is almost certainly a plate that came from the electrolytic extraction of cobalt from its ore, or from an electrolytic purification process.
Cobalt was dissolved in a solution and electricity was used to plate it out onto an electrode.
This sample represents cobalt in the "The Grand Tour of the Periodic Table" mineral collection from Jensan Scientifics.
www.theodoregray.com /PeriodicTable/Elements/027   (1271 words)

  
 Cobalt
Cobalt is best known for its intensely colored dyes, especially red (which is used in hair dyes) and blue.
Cobalt has come to mean far more than just the 27th element on the periodic table.
Cobalt is the name of a small mining town in Ontario, Canada (from which the mural on the left is taken), and a city in Idaho.
www.chemistry.pomona.edu /Chemistry/periodic_table/Elements/Cobalt/cobalt.htm   (398 words)

  
 Cobalt Gallery
Cobalt generates a not inconsiderable amount of heat.
Immediately to the left from the cooling unit is is the nerve centre of the Cobalt cluster, built of four 3COM SuperStack 3300 Fast Ethernet switches connected by a Matrix Module.
Unlike humans (and very much like goblins and their relatives kobalds, who gave their name to the chemical element Cobalt), Cobalt does not need any light, and is located in a window-less room.
www.cobalt.chem.ucalgary.ca /cobalt/gallery.html   (1298 words)

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