Metrological characteristics of the flat voltammetric electrode in time domain with a reversible electrochemical reaction running on the surface

Krzysztof Suchocki

doi:10.1117/12.2248337

10 November 2016 Metrological characteristics of the flat voltammetric electrode in time domain with a reversible electrochemical reaction running on the surface

Krzysztof Suchocki

Author Affiliations +

Proceedings Volume 10161, 14th International Conference on Optical and Electronic Sensors; 101610V (2016) https://doi.org/10.1117/12.2248337
Event: 14th International Conference on Optical and Electronic Sensors, 2016, Gdansk, Poland

Abstract

The study deals with metrological characteristics of the flat voltammetric electrode used for determination of ions concentration by the DC voltammetric method, where a reversible reaction of electrochemical oxidation/reduction takes place on the surface. The analysis shows that such voltammetric electrode acts as a transducer of the first order, where the input signal is a concentration of marked ions in tested solution and the output signal is the current associated with a reversible reaction of oxidation / reduction. Metrological characteristics of such electrode in the time domain are determined by its sensitivity and time constant. The values of these parameters are defined by measurements of characteristics of the voltammetric electrode, polarization voltage and marked ions. To determine the effect of a particular volume of each of these parameters several numerical simulations are presented.

Citation Download Citation

Krzysztof Suchocki "Metrological characteristics of the flat voltammetric electrode in time domain with a reversible electrochemical reaction running on the surface", Proc. SPIE 10161, 14th International Conference on Optical and Electronic Sensors, 101610V (10 November 2016); https://doi.org/10.1117/12.2248337

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