Table 2

Intermediate precision values obtained using the methods for vitamin B₁, B₆, B₂ and C analyses in PN

80%

100%

120%

Day

ID RSD (%)

IT RSD (%)

ID RSD (%)

IT RSD (%)

ID RSD (%)

IT RSD (%)

B1

1

1.78

1.40

1.89

2.00

0.48

0.88

2

1.26

0.63

1.06

B6

1

0.63

0.90

1.68

1.55

0.41

1.96

2

1.01

0.95

0.98

B₂

1

0.40

1.18

1.09

1.59

1.08

1.61

2

1.17

0.67

0.90

C

1

0.71

1.46

0.57

1.33

0.43

0.56

2

0.69

0.55

0.43

ID RSD means intraday relative standard deviation and IT RSD interday relative standard deviation of 3 measurements average in each day. n = 2 lots.

Ribeiro et al. Nutrition Journal 2011 10:47   doi:10.1186/1475-2891-10-47