Measuring and testing – Gas analysis – Gas chromatography
Patent
1975-06-13
1976-04-27
Goldstein, Herbert
Measuring and testing
Gas analysis
Gas chromatography
23254E, 338 34, G01N 2704
Patent
active
039525678
ABSTRACT:
A gas sensor comprising as a gas sensible material a spinel-type ferrite represented by the general formula AFe.sub.2 O.sub.4 in which A stands for at least one member selected from the group consisting of Li, Mg, Mn, Fe, Co, Ni, Cu, Zn and Pb is provided. In many cases, a catalyzer or a recovering agent need not be incorporated in this gas sensor, and it is characterized in that it is hardly influenced by moisture in the atmosphere.
REFERENCES:
patent: 3603954 (1971-09-01), Takeuchi
patent: 3772908 (1973-11-01), Kasahara
Hishiyama Sadao
Ito Shin'ichi
Kayama Kunifusa
Shinagawa Kiminari
Taniguchi Satoshi
Goldstein Herbert
The Hitachi Heating Appliances Co., Ltd.
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