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Table 3 Experimental values obtained in the recovery test of vitamin B1, B6, B2 and C by HPLC, fluorescence and titration, respectively.

From: Chemical stability study of vitamins thiamine, riboflavin, pyridoxine and ascorbic acid in parenteral nutrition for neonatal use

[B1] (μg/mL) Mass found (%) ± RSD [B6] (μg/mL) Mass found (%) ± RSD [B2] (μg/mL) Mass found ± RSD (%) [C] (mg) Mass found (%) ± RSD
20 98.6 ± 3.05 30 99.2 ± 1.26 2 98.7 ± 1.35 50 98.7 ± 0.81
30 100.7 ± 2.21 45 100.6 ± 1.97 3 100.7 ± 1.22 80 99.2 ± 1.42
40 98.2 ± 3.82 60 99.8 ± 2.45 3 100.8 ± 1.13 100 98.9 ± 1.19
50 100.2 ± 0.90 75 99.8 ± 1.13 4 100.0 ± 1.27 130 100.0 ± 1.01
60 99.6 ± 0.69 90 99.9 ± 0.58 5 99.6 ± 0.89 150 99.5 ± 0.89
  1. * Each value represents the mean of 3 analyses.