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

Table 2

Comparison between main reports from the literature and the proposed method, related to carbon-modified electrodes.

Electrode material	Modification	Tech	LD (µmol·L^−1)	Ref.
Glassy carbon	Poly(4-amino-3-hydroxynaphthalene sulfonic acid)	SWV	0.79	[23]
Glassy carbon	Nafion/ruthenium oxide pyrochlore	SWV	2.20	[43]
Epoxy-graphite composite	4-Benzosulfonic acid	SWV	1.3	This work