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A prototype of electrochemical sensor for measurement of carbonyl compounds in air

Abstract

The paper presents the results of investigation on a prototype sensor for measurement of benzaldehyde and formaldehyde in air. Sensitivity, limit of quantification and coefficient of selectivity of the sensor have been determined as a function of membrane thickness and electrode type using square wave voltammetry (SWV) technique. The working and counter electrodes were made of platinum and gold. Ionic liquids 1-hexyl, 3-methylimidazolium bis (trifluoromethanesulfonyl)imide constituted an internal electrolyte. Polydimethylsiloxane (PDMS) membrane separated gaseous medium from the electrolyte.

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Category:
Articles
Type:
artykuł w czasopiśmie wyróżnionym w JCR
Published in:
ELECTROANALYSIS no. 23, pages 1958 - 1966,
ISSN: 1040-0397
Language:
English
Publication year:
2011
Bibliographic description:
Gębicki J.: A prototype of electrochemical sensor for measurement of carbonyl compounds in air// ELECTROANALYSIS. -Vol. 23, nr. iss. 8 (2011), s.1958-1966
Verified by:
Gdańsk University of Technology

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