1 / 6

cobalt

cobalt. Cobalt 27 co 58.93. by: Alyx Guthrie. Properties . Boiling Point:2,870 °C Melting Point:1,735 °C Specific gravity:8.9(20 °C) Cobalt is hard, brittle metal Similar in appearance to iron and nickel Has a magnetic permeability around 2/3 that of iron. Uses.

morrison
Télécharger la présentation

cobalt

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. cobalt Cobalt 27 co 58.93 by: Alyx Guthrie

  2. Properties • Boiling Point:2,870°C • Melting Point:1,735°C • Specific gravity:8.9(20°C) • Cobalt is hard, brittle metal • Similar in appearance to iron and nickel • Has a magnetic permeability around 2/3 that of iron

  3. Uses • Compounds are used in paint pigments • Salts are used for the production of brilliant and permanent blue colors in porcelain, glass, pottery, tiles, and enamel • Used in magnet steels and stainless steels • Alloyed with iron, nickel, and other metals to make Alnico • An alloy of unusual magnetic strength (jet engines and turbine engines)

  4. Facts About Cobalt *Founded By: Georg Brandt 1735,Sweden *Origin of name; from the German word meaning “kobald meaning “goblin or evil spirit *Color; Iustrous, metallic ,greyish tinge *Minerals containing cobalt were of value to the early civilisations of Egypt and Mesopotamia for coloring glass deep blue

  5. Symbol= Co Basic Info. Atomic num. =27 Cobalt Atomic weight 58.9332 Color Iustrous ,metallic, Greyish tinge Used in paint Pigments Properties Uses Hard, brittle metal Jet engines And turbine Engines

  6. Sources • http://www.chemicool.com/ • http://www.webelements.com/ Weblelements /scholar/elements/periodic-table/uses

More Related