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

Table 4

Determination of APAP in commercial tablets using CH-CPE (all values are in mg, except for recovery rate in %).

Doliprane 1000	Tablet initial mass
	Tablet mass obtained after powdering
	Theoretical APAP mass in the weighted tablet
	APAP mass determined with CH-CPE
	Recovery (%)
Doliprane 500	Tablet initial mass
	Tablet mass obtained after powdering
	Theoretical APAP mass in the weighted tablet
	APAP mass determined with CH-CPE
	Recovery (%)

3% error admitted by the European drugs regulation for the commercialization of APAP tablets.