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Table 2 Determination of FA in commercial formulation by the proposed and official methods

From: On-line solid-phase enrichment coupled to packed reactor flow injection analysis in a green analytical procedure to determine low levels of folic acid using fluorescence detection

Concentration (20 ng/mL)

Recovery % a ( ± RSD)

Proposed method

Official method

Tablets

99.31 ± 0.30

99.56 ± 0.23

t-

0.29 (2.30) b

 

F-

1.74 (6.38) b

Recoveryc (%, ± RSD)

99.24 ± 0.34

  1. a Mean Recovery % and RSD for five determinations.
  2. b Theoretical values for t- and F-.
  3. c For standard addition of 50% of the nominal content.
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BMC Chemistry

ISSN: 2661-801X

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