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Table 2 Precision and accuracy in the assay determination of FEX using 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

Day of analysis Spiked concentration (μg/ml) Mean recovery (%) ± RSDa
Repeatability (Intra-day precision)
Day 1 0.1 101.5 ± 0.89
  10 99.4 ± 0.49
  50 101.2 ± 0.67
Day 2 0.1 103.8 ± 0.99
  10 100.2 ± 0.67
  50 101.8 ± 0.89
Day 3 0.1 102.4 ± 0.1.2
  10 99.4 ± 0.59
  50 100.7 ± 0.55
Intermediate precision (Inter-day precision)
  0.1 102.5 ± 1.13
  10 99.6 ± 0.46
  50 101.23 ± 0.54
  1. a Mean recovery (%) ± RSD of three determinations.