AOAC Methods for Review in Codex STAN 234_11-2018

AOAC Official Methods Listed in CXS 234 for Milk and Milk Products

91

Table 2. Results for determination of magnesium ( µ g/g) by AOAC Official Method 985.35 in soy, whey, and enteral formulae

Youden pair

Youden pair

Enteral sample 7

RTF soy sample 6 a

Soy powder sample 1 b

Soy powder sample 5 b

RTF soy sample 4

RTF soy sample 2 a

Whey powder sample 3

Laboratory

c 122 c

1 2 3 4 5 6 7 8

215 202 194 207 202 236 204 204

62.0 58.8 57.0 61.5 56.2 60.0 71.8 60.5

99 94

518 493 520 531 519 580 570 545

364 342 378 383 368 368 400 390

360 340 370 363 353 381 398 372

76.3 80.0 80.0 77.4 78.4 81.0 79.0

101 104 101 105 106 101

69.9 a,d , 72.6 e

454 b

101

367

Mean

208

3.1 a,d , 11 e 4.4 a,d , 15 e 3.7 a,d , 12 e 5.3 a,d , 16 e

15.8 b b 3.5 b 24.1 b

s r

, %

RSD r

s R

12.7

3.8 3.8

17.6

5.3 b

, %

6.8

4.8

RSD R

a Youden closely matched pairs. b Youden closely matched pairs.

c Grubb’s outlier. d 7 laboratories. e Grubb’s outlier included.

10/9/2018