Stability-Indicating HPLC Determination of Trandolapril in Bulk Drug and Pharmaceutical Dosage Forms

Table 3

Precision study of the proposed method.

Concentration (g/mL)	Intraday precision		Interday precision
	Conc. found; Mean ± SD	% CV	Conc. found; Mean ± SD	% CV
4	3.937 ± 0.068	1.74	4.008 ± 0.039	0.98
12	11.949 ± 0.088	0.74	12.011 ± 0.108	0.90
22	21.853 ± 0.102	0.47	21.731 ± 0.151	0.70