Electrodeposition of 4-Benzenesulfonic Acid onto a Graphite-Epoxy Composite Electrode for the Enhanced Voltammetric Determination of Caffeine in Beverages

<div>Charge transfer resistance and capacitance obtained by adjusting the spectra using equivalent circuit (Figure <a href="../fig3/">3</a>) for experiments carried out in absence and presence of caffeine at 2.0 mmol·L<sup>−1</sup> for all electrodes.</div>

Journal of Analytical Methods in Chemistry

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Table 1

Table 1: Electrodeposition of 4-Benzenesulfonic Acid onto a Graphite-Epoxy Composite Electrode for the Enhanced Voltammetric Determination of Caffeine in Beverages 

Table 1 | Electrodeposition of 4-Benzenesulfonic Acid onto a Graphite-Epoxy Composite Electrode for the Enhanced Voltammetric Determination of Caffeine in Beverages 