Georg brandt - PowerPoint PPT Presentation

By Hart Mechlin

COBALT. By Hart Mechlin. Discovery of Cobalt. Cobalt has been known for centuries particularly for the distinctive blue color it gives to glass. Cobalt has been used since as early as Pompeii (79 AD) to achieve a deep blue colored glass.

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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.

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