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Journal of Analytical Science and Technology

Table 3 Results for pantothenic acid, pyridoxine, and biotin obtained by the developed ID–LC/MS method in a SRM 3280 (multivitamin/multielement tablets)

From: Development of a certified reference material for the analysis of vitamins in multivitamin tablets

Compound

Units

Certified value

Measured valuea

Pantothenic acid

g/kg

7.3 ± 0.96b

7.9 ± 0.30

Pyridoxine

g/kg

1.48 ± 0.14c

1.47 ± 0.15

Biotin

mg/kg

0.0234 ± 0.0032

0.0234 ± 0.0002

Folic acid

mg/kg

394 ± 22

398 ± 32

  1. aThe values are obtained by each of the developed ID–LC/MS method (n = 3)
  2. bThe values following “±” are the expanded uncertainties of the preceding values at the 95% level of confidence
  3. cThe values were converted as pyridoxine contents from pyridoxine HCl in the certificates, (1.81 ± 0.17) g/kg in SRM 3280
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