Validation of a Stability-Indicating RP-HPLC Method for Determination of L-Carnitine in Tablets

Table 2

Precision, accuracy, and recovery data for the proposed method.

L-Carnitine concentration (µg/mL)	Precision (RSD, %)		Accuracy () mean (RSD, %)	Recovery ()
	Intraday ()	Interday ()		Target concentration (mg/mL)	Calculated concentration mg/mL (mean)	Percentage	±SD
84.74	3.34	2.18	97.27 (2.38)	2.20	2.22	100.91	0.04
169.48	0.41	1.36	100.72 (0.75)	2.40	2.42	100.83	0.01
1355.80	0.83	0.99	98.52 (0.83)	2.60	2.64	101.54	0.02
3389.50	1.84	1.60	99.51 (1.05)