Cyclic Voltammetric Investigation of Caffeine at Anthraquinone Modified Carbon Paste Electrode

Table 1

Determinations of caffeine in pharmaceutical tablets using CV.

Sample	Labeled amounts; (mg)	Detected amount; (mg)^a	Recovery/%
No cold	25	23.05 ± (1.38)	92.22
Nicip cold	30	29.34 ± (0.69)	97.80
Paramol-c	30	28.94 ± (0.98)	96.46

aMean value ± standard deviation (𝑛=5).