Cation emission type halogenated hydrocarbon gas detecting eleme

Chemical apparatus and process disinfecting – deodorizing – preser – Analyzer – structured indicator – or manipulative laboratory... – Means for analyzing gas sample

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324468, 436126, 436153, G01N 2762

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active

044990545

ABSTRACT:
A cation emission type halogenated hydrocarbon gas detecting element comprising a cation source, a heating means and an ion collector electrode, which is characterized in that said cation source consist essentially of .beta.-Al.sub.2 O.sub.3, wherein substantially all cation species occupy a position in the crystal lattice structure of the source. By employing .beta.-Al.sub.2 O.sub.3, the detecting element can be more miniaturized and can work at lower temperature than a conventional cation emission type electrode comprising the cation source made of steatite.

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Choudhary et al., Solid Electrolytes and Their Applications, 1980, pp. 49-57.
"Electronics Simulates Sense of Smell," Electronics, Mar. 1948, pp. 100-102.

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