Process for reducing the average particle size of ammonium parat

Details Process for reducing the average particle size of ammonium parat Process for reducing the average particle size of ammonium parat

1994-12-20

1996-11-26

Langel, Wayne

Chemistry of inorganic compounds

Oxygen or compound thereof

Metal containing

23293R, C01G 4102

Patent

active

055782850

ABSTRACT:
A process for reducing the average particle size of an ammonium paratungstate powder having the steps of heating the ammonium paratungstate powder at a temperature of between about 110.degree. C. to about 205.degree. C. for a time sufficient to reduce the average particle size of the ammonium paratungstate powder by at least 20 percent.

REFERENCES:
patent: 3175881 (1965-03-01), Chiola et al.
patent: 4504461 (1985-03-01), Carpenter et al.
patent: 4557923 (1985-12-01), Powers et al.

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