Microelectrode Arrays with Interacting Diffusion Layers: Special Applications

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  • P. Tomcik Department of Analytical Chemistry, Faculty of Chemical Technology, Slovak Technical University, Bratislava, Slovak Republic,
  • D. Bustin Department of Analytical Chemistry, Faculty of Chemical Technology, Slovak Technical University, Bratislava, Slovak Republic,
  • I. Novotny Department of Microelectronics, Faculty of Chemical Engineering, Slovak Technical University, Bratislava, Slovakia

Abstrakt

The review deals with special applications of interdigitated array (IDA) microelectrodes. A high collection efficiency in comparison with RRDE (rotational ring disc electrode) can be used for the determination of species by titration in the diffusion layer of an IDA system. The titrant (iodine, bromine, and hypobromite) is galvanostatically generated on one IDA segment and another segment serves as an amperometric detector with constant potential, which corresponds to the opposite reaction to that of titrant electrochemical generation. The method is simple, sensitive to the species (ammonium, arsenic, thiosulfate, allyl alcohol, iodide) and can also be used in microanalysis.

Publikováno

15.02.2001

Jak citovat

Tomcik, P., Bustin, D., & Novotny, I. (2001). Microelectrode Arrays with Interacting Diffusion Layers: Special Applications. Chemické Listy, 95(1). Získáno z http://ww.w.chemicke-listy.cz/ojs3/index.php/chemicke-listy/article/view/2452

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