Production of microcrystalline metal oxides

Details Production of microcrystalline metal oxides Production of microcrystalline metal oxides

1984-11-01

1986-05-13

Williams, Howard S.

Chemistry of inorganic compounds

Oxygen or compound thereof

Metal containing

423592, 423593, 423604, 423605, 423622, 423632, 423636, 252 6262, B22F 924, C01F 502, C01G 102, C04B 3526

Patent

active

045885753

ABSTRACT:
This invention provides a process for production of a microcrystalline metal oxide having an average particle size less than about 1000 angstroms.
An important feature of the invention process involves the application of ultrasonic wave energy during the stage that a solution of metalorganic compounds is being treated to form a gelled solution. The ultrasonic energy input during the gelling stage enhances the production of a high purity metal oxide powder having fine grain particles of uniform microspheric dimensions.

REFERENCES:
patent: 3928220 (1975-12-01), Slusarczuk
patent: 4486401 (1984-12-01), Arons et al.

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