Table 2. Accuracy of the proposed method (n=6).

Excess drug added to analyte (%)	Theoretical content (ng)	Conc. found (ng)±SD	% Recovery	% RSD
0	300	298.16±2.04	99.38	0.68
50	450	443.50±4.96	98.55	1.12
100	600	595.00±4.47	99.16	0.75
150	750	745.16±3.93	99.35	0.75

Conc.: Concentration.