Implementation of QbD Approach to the Analytical Method Development and Validation for the Estimation of Propafenone Hydrochloride in Tablet Dosage Form

Table 3

Precision data.

Method	Concentration	Intraday (% RSD); (𝑛=3)	Interday (% RSD); (𝑛=3)
	800 ng	0.11	0.60
1	1200 ng	0.10	0.38
	1600 ng	0.10	0.32
	Mean	0.10	0.41
	20 µg/mL	0.15	0.10
2	30 µg/mL	0.10	0.07
	40 µg/mL	0.08	0.06
	Mean	0.11	0.08
	10 µg/mL	0.55	1.15
3	15 µg/mL	0.59	1.19
	20 µg/mL	0.48	1.08
	Mean	0.54	1.14