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Cobalt

Cobalt

 
PHYSICAL DATA

          Atomic Number

          27

          Atomic Weight

          58.933

          Density [ 20°C / 68°F ]

          8.90 g/cm3

          Melting Point

          1495 °C

GENERAL INFO
          History

Discovered in 1735 by Georg Brandt in Stockholm, Sweden.  the name is derived from the German word "kobald" meaning goblin.

          Uses
  • Co60 is an important isotope used as gamma radiation source.
  • Salts used to impart blue color in glass, pottery, tiles, and enamels.
  • Used in alloys for magnetic applications.
  • Used in steel making to Improve hardness and hot strength. Also used to enhance effects of other elements in complex steels.
FORMS
          Typical
          Pure forms: Cobalt compounds:
  • Primary Cobalt
  • Minerals (cobalite, smaltite, erythrite)
  • Salts
  • Cobalt Bearing Ferro Alloys
          F.W.W.

None

   

Acknowledgements

  
F.W. Winter
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