Feasibility of Using Oscillatory Catalytic Oxidation Phenomenon for Selective Carbon Monoxide Sensing | Zendy

Heikki Torvela | Zendy

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Feasibility of Using Oscillatory Catalytic Oxidation Phenomenon for Selective Carbon Monoxide Sensing

Author(s) -

Heikki Torvela

Publication year - 1987

Publication title -

active and passive electronic components

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.144

H-Index - 22

eISSN - 1026-7034

pISSN - 0882-7516

DOI - 10.1155/1987/27260

Subject(s) - carbon monoxide , carbon dioxide , catalysis , chemistry , palladium , conductance , atmospheric temperature range , analytical chemistry (journal) , range (aeronautics) , environmental chemistry , materials science , thermodynamics , composite material , organic chemistry , physics , condensed matter physics

Tin dioxide based sensors with different additives were constructed and tested in air environment containing carbonmonoxide. Conductance oscillations were observed in samples containing palladium but not in those without.Oscillations occurred at temperatures ranging from 150℃ to 320℃. Within this temperature region the range of COconcentrations at which oscillations appeared became higher as the test temperature increased. The lowest COconcentration at which oscillations were observed was 200 ppm and the highest 10000 ppm

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