Publikace: Determination of caffeine at unmodified carbon paste electrode
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Stočes, Matěj
Kosová, Lucie
Švancara, Ivan
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University of Pardubice
Abstrakt
In this paper, electrochemical and electroanalytical characterization of caffeine
has been carried out, for the first time, with unmodified carbon paste electrode
and in combination with cyclic voltammetry and square-wave voltammetry as the
measuring techniques of choice. After defining the proper conditions for the
electrode oxidation in highly acidic media and setting the key experimental
parameters accordingly, a simple method was subsequently tested on model
analyses of real samples (energy and Cola drinks).