Cobalt - Wikipedia, the free encyclopedia
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Cobalt (pronounced /ˈkoʊbɒlt/ KOH -bolt ) is a hard, lustrous, gray metal, a chemical element with symbol Co and atomic number 27. Although cobalt-based colors and pigments have bee...
en.wikipedia.org/wiki/Cobalt
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Cobalt is a transition metal, one of several elements found in Rows 4 through 7 between Groups 2 and 13 in the periodic table. ... When the mineral was heated, it gave off an offensive gas that caused illness. The gas that affected the miners was arsenic trioxide (As 4 O 6 ), which often occurs with cobalt in nature.
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www.chemistryexplained.com/elements/A-C/Cobalt.html
www.chemistryexplained.com/elements/A-C/Cobalt.html
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The general population is exposed to low levels of cobalt in air, water, and food. Cobalt has both beneficial and harmful effects on health. At low levels, it is part of vitamin B12, which is essential for good health. ... Cobalt is a naturally occurring element found in rocks, soil, water, plants, and animals.
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www.atsdr.cdc.gov/tfacts33.html
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Though it was used in Persia to color glass as far back as 2250 B.C., Cobalt was not known to the Western world until the 15th century. Miners in Germany at the time thought it was silver and melted it down. Rarely found in pure form in nature, this batch was combined with Arsenic.
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www.chemistry.pomona.edu/Chemistry/periodic_table/Eleme...
www.chemistry.pomona.edu/Chemistry/periodic_table/Elements/Cobalt/cobalt.htm
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The Element Cobalt - Basic Physical and Historical Information ... The Element Cobalt; [Click for Isotope Data] ... Cobalt was discovered by Georg Brandt, a Swedish chemist, in 1739. Brandt was attempting to prove that the ability of certain minerals to color glass blue was due to an unknown element and not to bismuth,
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education.jlab.org/itselemental/ele027.html
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Name: Cobalt ... Atomic Number: 27 ... Chemical Symbol: Co...
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nautilus.fis.uc.pt/st2.5/scenes-e/elem/e02791.html
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Brief description: cobalt is a brittle, hard, transition metal with magnetic properties similar to those of iron. Cobalt is present in meteorites. Ore deposits are found in Zaire, Morocco and Canada. Cobalt-60 (60Co) is an artificially produced isotope used as a source of γ rays (high energy radiation).
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www.webelements.com/webelements/elements/text/Co/key.ht...
www.webelements.com/webelements/elements/text/Co/key.html
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Vitamin-mineral supplements have their place in this dietary strategy, but they can never take the place of nature's powerful bounty of nutrients found in Superfoods. ... Three trace minerals, cobalt, selenium, and lithium, had been exceedingly low for her, but they are now raised considerably.
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www.doctorshealthsupplements.com/garden_of_life/found_n...
www.doctorshealthsupplements.com/garden_of_life/found_natures_perfect_food.htm
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Cobalt is a metal widely found in nature with a concentration of 0.0023% in the earth?s crust. Minerals have a very low Cobalt content and Cobalt is always associated to other metals. Cobalt is a metal used in the metallurgy, ceramic, chemical, batteries and animal husbandry industries. ... atomic number: 27 | atomic weight: 58,94...
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www.todiniandco.com/products/cobalt/index.html
www.todiniandco.com/products/cobalt/index.html
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