Abstract
AbstractThe paper presents the results of investigation on a prototype sensor for measurements 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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