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Fonterra Co-operative Group

Page 19

Table A4: Data vitamin D

3

linearity experiment 1

Concentration

(1)

NLD

3

(ng mL

-1

)

Concentration

Ratio

(2)

Peak Area Ratio

Back-calculated

Conc. Ratio

Variance

(%)

0.5

0.14

0.20

0.18

25.0

2.3

0.71

1.01

0.75

5.6

11.6

3.53

4.93

3.50

-1.0

23.2

7.06

9.89

6.97

-1.3

57.9

17.66

25.22

17.73

0.4

92.6

28.26

40.18

28.24

-0.1

Regression Equation

y = 1.4247x

0.0479

(1)

Concentration of non-labelled vitamin D

3

in calibration standards

2)

Ratio of concentration of non-labelled vitamin D

3

to isotope-labelled vitamin D

3

in calibration standards

Table A5: Data vitamin D

3

linearity experiment 2

Concentration

(1)

NLD

3

(ng mL

-1

)

Concentration

Ratio

(2)

Peak Area Ratio

Back-calculated

Conc. Ratio

Variance

(%)

0.5

0.14

0.21

0.22

55.8

2.3

0.70

0.96

0.71

0.4

11.5

3.52

5.19

3.45

-1.8

23.1

7.04

10.13

6.67

-5.2

57.7

17.59

27.92

18.25

3.8

92.3

28.14

42.65

27.83

-1.1

Regression Equation

y = 1.537x + -0.1227

(1)

Concentration of non-labelled vitamin D

3

in calibration standards

(2)

Ratio of concentration of non-labelled vitamin D

3

to isotope-labelled vitamin D

3

in calibration standards

Table 7: Data vitamin D

3

linearity experiment 3

Concentration

(1)

NLD

3

(ng mL

-1

)

Concentration

Ratio

(2)

Peak Area Ratio

Back-calculated

Conc. Ratio

Variance

(%)

0.5

0.14

0.20

0.26

79.4

2.3

0.71

0.97

0.80

11.9

11.7

3.56

4.69

3.44

-3.5

23.4

7.12

9.76

7.04

-1.3

58.4

17.81

24.87

17.76

-0.3

93.4

28.50

40.11

28.57

0.2

Regression Equation

y = 1.4096x

0.1562

(1)

Concentration of non-labelled vitamin D

3

in calibration standards

(2)

Ratio of concentration of non-labelled vitamin D

3

to isotope-labelled vitamin D

3

in calibration standards

VitD-18 (February 2016)

FOR ERP USE ONLY

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