International Scholarly Research Notices / 2012 / Article / Tab 2

Research Article

Development and Validation of HPTLC Method for Estimation of Propranolol Hydrochloride and Flunarizine Dihydrochloride in Combined Dosage Form

Table 2

Summary of validation parameters.

ParametersPROFLU

Rf 0 . 0 7 ± 0 . 0 2 0 . 6 7 ± 0 . 0 2
Detection limit ( 𝜇 g/ml)118.413.75
Quantitation limit ( 𝜇 g/ml)355.245.4
Accuracy (%)99.71–100.92 %98.8–101.27
Precision (RSDa,%)
 Intraday precision ( 𝑛 = 3 )1.06–1.331.28–1.48
 Interday precision ( 𝑛 = 3 )0.237–0.65 0.66–0.88
Instrument precision (RSDa)0.090.24

aRSD is relative standard deviation and “ 𝑛 ” is number of determinations.

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