Journal
SENSORS AND ACTUATORS B-CHEMICAL
Volume 65, Issue 1-3, Pages 120-121Publisher
ELSEVIER SCIENCE SA
DOI: 10.1016/S0925-4005(99)00463-3
Keywords
CO gas sensor; alcohol interference; catalyst filter; Nafion
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The method to eliminate alcohol interference for CO gas sensor using oxide semiconductor is explored. Some oxidizing agents and reducing agents were tested as the filtering materials. Nafion was found to be the most effective. This property was improved by the treatment to form the Nafion into complete H-type before measurement. The elimination capability is correlated with the acidities of the filtering materials. (C) 2000 Elsevier Science S.A. All rights reserved.
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