ferroferric oxide

Detailed introduction to ferroferric oxide:

Name:  ferroferric oxide

Molecular formula:  Fe₃O₄

Molecular weight:   231.54

Physical and Chemical property: density:5.18g/cm^3,melting point:1867.5K(1594.5℃),magnetism, water-fast, acid soluble, good electroconductivity 

 Usage:  (1) raw materials of tapes and telecommunications' equipment,

                (2) making primers and paint,

               (3) abrasive and pigment and polishes,

              (4) to prevent or slow down steel corrosion

Production technology:    

     (1) The wire in oxygen burning;

    (2) The wire in air burning under 500 degree;

    (3) 3Fe + 4H₂O = Fe₃O₄ + 4H₂(high temperature);

    (4) FeCl₂+FeCl₃+NH₃→Fe₃O₄