AOAC Methods for Review in Codex STAN 234_11-2018

AOAC Official Methods Listed in CXS 234 for Milk and Mi 99

Table 10. Average repeatability estimates (RSD r ) and reproducibility estimates (RSD R ) of original collaborative study and extension study Estimate Original study Extension study Calcium

2.9 5.4

5.8 9.3

RSD r RSD R

Magnesium

2.3 7.1

3.9 5.2

RSD r RSD R

Zinc

3.3 5.3

4.4 7.3

RSD r RSD R

Copper

3.2

5.9 9.7

RSD r RSD R

11.4

Iron

3.1

5.2 5.5

RSD r RSD R

16.8

Manganese

6.2

6.9

RSD r RSD R

13

10.4

Potassium

3.4 6.4

2.0 4.0

RSD r RSD R

Sodium

3.9 9.2

4.6 4.7

RSD r RSD R

Phosphorus

1.1 2.0

2.7

RSD r RSD R

10.5

10/9/2018