Suitable solid state chemical sensor for HCHO determination
by L. Campanella, M. Battilotti, R. Dragone, I. Mevola
International Journal of Environment and Pollution (IJEP), Vol. 27, No. 4, 2006

Abstract: A solid state NiO-polyaniline mixture electrode is proposed and characterised to determine formaldehyde. The influence of ionic strength is particularly significant. The response is slow, so a waiting time, optimised at 90 min is needed, thus preventing a continuous or in-flow condition determination. Some common environmental possible interfering analytes have been tested, the most interfering having been shown to be acetaldehyde that cannot be present at concentration higher than 10^-6.

Online publication date: Wed, 02-Aug-2006

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