Method Development and Validation for Estimation of Eperisone Hydrochloride as API and in Tablet Dosage Form by Two Spectroscopic Methods

Table 9

Data showing interday precision analysis for initial rate method and fixed time method.

Conc. (μg/mL)	Initial rate method		Fixed time method
	Mean ± S.D.	% RSD	Mean ± S.D.	% RSD
20	20.02±0.015	0.076	19.83±0.16	0.805
25	25.06±0.06	0.246	24.76±0.20	0.829
30	30.07±0.06	0.220	29.65±0.35	1.180
Mean % RSD		0.180		0.938