Precision data - B6 by HPLC
Table 1. Results of interlaboratory studies (1993)
|
Matrix parameter |
Baby food |
Biscuit |
Cereal B |
Yeast |
Tube-feeding
|
Chocolate
|
Cereal A |
Powdered milk |
|---|---|---|---|---|---|---|---|---|
|
Repeatability RSDr |
18 % |
13 % |
10 % |
8 % |
4 % |
4 % |
6 % |
3 % |
|
Reproducibility RSDR |
30 % |
35 % |
30 % |
26 % |
13 % |
12 % |
12 % |
13 % |
Results obtained in 1993.
Table 2. Results of interlaboratory studies (2003)
| Matrix parameter | Sample 1 | Sample 2 | Sample 3 | Sample 4 | Sample 5 | Sample 6 | Sample 7 | Sample 8 |
|---|---|---|---|---|---|---|---|---|
| Repeatability RSDr | 10 % | 3,3 % | 2,0 % | 4,0 % | 16.4 % | 5,9 % | 4,5 % | 3,5 % |
| Reproducibility RSDR | 17,5 % | 8,2 % | 8,4 % | 8,4 % | 52.1 % | 11,2 % | 7,4 % | 6,4 % |
Sample 1: Non-fortified milk based infant formula, samples 2-4: fortified milk based infant formula, sample 5: non-fortified soy based
infant formula, samples 6-8: fortified soy based infant formula.
Results obtained in 2003.