Precision data - vitamin D

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Table 1. Results of interlaboratory studies.


Matrix parameter

Low-lactose UHT milk,
non-fortified

Ready-to-feed infant formula,
fortified

Cooking oil,
vitamin D3 added

Margarine,
vitamin D3 added

Powdered infant formula,
vitamin D3 added

Fish oil,
vitamin D3 added

Repeatability RSDr

4,6 %

5,9 %

7,4 %

6,5 %

2,4 %

2,2 %

Reproducibility RSDR

9,1 %

12,1 %

24,1 %

6,8 %

7,1 %

17,7 %

Results obtained in 1997.


Precision data from EN 12821:

Precisiondata1.jpg

Precisiondata2.jpg