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Table 5 Determination of FEX in commercial tablets* by the proposed LC method

From: Development of validated stability-indicating chromatographic method for the determination of fexofenadine hydrochloride and its related impurities in pharmaceutical tablets

 

Mean found ± RSD%a

 

Proposed LC method

Reference method [16]

 

98.97 ± 0.49

99.22 ± 1.07

 

Fb = 4.768

 
 

tb = 0.992

 

Recoveryc

  
 

99.15 ± 0.65

99.33 ± 0.24

  1. *Labelled to contain 120 mg FEX per tablet, batch number 0T00757.
  2. a Mean and RSD% for five determinations
  3. b Theoretical values of F and t for p = 0.05 and n = 5 are 6.39 and 2.31, respectively.
  4. c For standard addition of 50% at the nominal content (n = 5)