Manganese dioxide and process for the production thereof

Details Manganese dioxide and process for the production thereof Manganese dioxide and process for the production thereof

1983-03-24

1984-10-09

Doll, John

Chemistry of inorganic compounds

Oxygen or compound thereof

Metal containing

429224, C01G 4502

Patent

active

044761040

ABSTRACT:
Manganese dioxide is produced from manganous nitrate hexahydrate-containing material by heating such manganous nitrate-containing material to about 150.degree. C. under an oxygen-containing atmosphere until a substantially complete decomposition to manganese dioxide has occurred, further elevating the temperature to about 250.degree. C., and maintaining this temperature until the manganese dioxide has a surface area no greater than about 15 m.sup.2 /gm and a high degree of amorphousness relative to crystalline beta manganese dioxide.

REFERENCES:
patent: 2885262 (1959-05-01), Fleischer et al.
patent: 4133856 (1979-01-01), Ikeda et al.
patent: 4336315 (1982-06-01), Eda et al.
ASTM Card No. 24-735.
A. Kozawa and R. A. Powers, Proceedings of the First Manganese Dioxide Symposium pp. 4-9, vol. 1, Cleveland 1975, publishd by the Electrochemical Society, Inc.
J. C. Bailar, Jr. ed. Comprehensive Inorganic Chemistry vol. 3 Pergamon Press Oxford England copyright 1973 pp. 798-805.
Advanced Inorganic Chemistry, F. A. Cotton and G. Wilkinson (3rd Ed. 1972), p. 852.

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