Electroanalytical Performance of a Carbon Paste Electrode Modified by Coffee Husks for the Quantification of Acetaminophen in Quality Control of Commercialized Pharmaceutical Tablets

Table 1

Ratios of real surface areas and of peak intensities.

Electrodes	Ratio of with modified electrodes versus bare CPE	Ratio of real surface areas of modified electrodes versus bare CPE	Chemical effect (hydrophilic character of cellulose)
CPE	1	1	0
CH-CPE	2.000	1.182	0.820
Ce-CPE	2.600	1.719	0.881