Precision data - β-carotene

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EN 12823-2:


Table 1. Results of the interlaboratory tests.

 

Margarine

Vitamin drink

Pudding powder

Mixed vegetables

Repeatability standard deviation s r, mg/100 g

0,011

0,065

0,085

0,71

Repeatability coefficient of variation, %

4,5

2,9

5,6

3,9

Repeatability value r = [2,83 x s r], mg/100 g

0,032

0,19

0,24

2,0

Reproducibility standard deviation s R, mg/100 g 

0,024

0,15

0,14

2,7

Reproducibility coefficient of variation, %

9,7

6,5

9,3

15

Reproducibility value r = [2,83 x s R], mg/100 g

0,069

0,41

0,40

7,6

Results obtained in 1995.