Table 3.

Accuracy of the proposed method (n = 6).

Excess drug added to analyte (%)	Theoretical content (µg)	Conc. found (µg) ± SD	% Recovery	% RSD
50	15	14.47 ± 0.17	99.35	0.28
100	20	19.13 ± 0.12	99.43	0.10
150	35	35.53 ± 0.05	100.15	0.01

Accuracy = Mean overall recovery = 100.23 ± 0.13.