Selective spectrofluorimetric method for the determination of perindopril erbumine in bulk and tablets through derivatization with dansyl chloride

Journal of Analytical Science and Technology

Table 3 Precision and accuracy for determination of PDE in pure form

Perindopril erbumine (μg/mL)		SD	RSD%	Recovery %	t -test ^b
Taken	Found ^a	SD	RSD%	Recovery %	t -test ^b
1.00	0.976 ± 0.059	0.048	4.92	97.60	1.118
2.20	2.195 ± 0.074	0.060	2.73	99.77	0.186
4.50	4.590 ± 0.104	0.084	1.83	102.00	2.395
6.70	6.733 ± 0.118	0.095	1.41	100.49	0.776
8.70	8.770 ± 0.156	0.126	1.44	100.80	1.242
11.20	11.169 ± 0.125	0.101	0.90	99.72	0.686
16.80	16.940 ± 0.182	0.147	0.86	100.83	2.129
21.00	20.930 ± 0.160	0.129	0.61	99.66	1.213

^aAverage of five determination ± confidence limit.
^bThe tabulated t-value at 95% confidence limit for 4 degrees of freedom (n = 5) is 2.78.