Sensor

Details Sensor Sensor

1985-12-10

1987-04-21

Kreitman, Stephen A.

Measuring and testing

Gas analysis

Gas chromatography

338 34, G01N 2712

Patent

active

046586326

ABSTRACT:
A .lambda. sensor comprising a perovskite compound ASnO.sub.3-.delta. and silica, germania, zirconia or hafnia added to the compound in an amount of 0.5 to 30 mol % per mol of the compound. Silica or like additive gives improved oxygen sensitivity and reduces the temperature dependence of the oxygen sensitivity.

REFERENCES:
patent: 4314996 (1982-02-01), Sekido et al.
patent: 4507643 (1985-03-01), Sunano et al.
patent: 4601883 (1986-07-01), Sekido et al.

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