Process for the preparation of lithium stanates doped with trans

Details Process for the preparation of lithium stanates doped with trans Process for the preparation of lithium stanates doped with trans

1994-03-30

1995-10-24

Brunsman, David

Compositions: ceramic

Ceramic compositions

Titanate, zirconate, stannate, niobate, or tantalate or...

423 211, 423 62, 423 65, 423 89, 423 92, C04B 3500

Patent

active

054610133

ABSTRACT:
A process for the preparation of ceramic material Lithium stannate doped with a transition metal for a humidity sensor mixes a salt of Lithium with SnO.sub.2 in dry condition, thereafter mixes in wet conditions using an organic solvent, adds a transition metal compound to the resulting mixture, mixes the mixture thoroughly, drys and compacts the mixture in the range of 5000 to 8000 lbs and heats the pellets so formed at a temperature in the range of 600.degree. to 800.degree. C. for a period in the range of 6 to 12 hours followed by slow cooling to room temperature.

REFERENCES:
patent: 3960779 (1976-06-01), Rosenblatt
patent: 4319485 (1982-03-01), Terada et al.

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