Preparation of large crystal sized barium and/or strontium titan

Details Preparation of large crystal sized barium and/or strontium titan Preparation of large crystal sized barium and/or strontium titan

1983-08-11

1984-12-11

Gantz, Delbert E.

Chemistry of inorganic compounds

Oxygen or compound thereof

Metal containing

423593, 23301, 23305RE, C01G 2300, C01F 1100

Patent

active

044877552

ABSTRACT:
A mixture of an alkali carbonate solvent salt, titanium oxide, an alkaline earth reactant selected from the group consisting of barium oxide, strontium oxide and mixtures thereof, and alkaline earth titanate seed is heated to melt the carbonate salt solvent in which the titanium oxide and alkaline earth reactant dissolve and react precipitating a titanate selected from the group consisting of barium titanate, strontium titanate and mixtures or solutions thereof onto said titanate seed producing large crystal sized powder, said titanate seed not differing significantly in chemical composition from the titanate being precipitated thereon.

REFERENCES:
patent: 3503717 (1970-03-01), Wilson et al.
patent: 3567642 (1971-03-01), Flanigen
patent: 4233282 (1980-11-01), Arendt
Blattner et al., "Single Crystals of Barium-Titanium Compounds", Helv. Phys. Actn., 20, 225-8, (1947).
Skoog et al., "Fundamentals of Analytical Chemistry," Holt, Rinehart and Winston, New York, pp. 160-161.

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