Development of New Method for Simultaneous Analysis of Piracetam and Levetiracetam in Pharmaceuticals and Biological Fluids: Application in Stability Studies

Table 4

Repeatability and Reproducibility of Proposed method.

Conc. ng/mL	Intra-Day (%RSD)		Inter-Day (%RSD)
	Piracetam	Levetiracetam	Piracetam	Levetiracetam
20	1.16	1.57	2.33	1.98
50	1.09	1.35	2.04	1.76
100	0.77	1.16	1.76	1.29
1000	1.24	1.28	1.29	1.34
5000	1.15	0.86	1.94	1.52
10000	0.96	1.08	1.24	1.07