AOAC Final Action Methods in 2018
Table 2015.09D. MLT total vitamin K 1 data Sample ID
K16NTAV E10NWZC 410057652Z 410457651Z 00729RF00 00730RF00 4052755861 4044755861 00847RF00 00820RF00
Total No. of labs
8
8
8
8
8
8
8
8
8
8
Total No. of replicates
16
16
15
16
16
16
16
16
16
15
Overall mean of all data (grand mean), µg/100 g
7.09
7.12
8.72
9.31
10.7
8.12
3.93
7.97
1.46
3.13
Repeatability SD
0.142
0.225
0.241
0.212
0.216
0.558
0.159
0.204
0.031
0.143
Reproducibility SD
0.316
0.330
0.319
0.367
0.873
1.36
0.249
0.305
0.085
0.189
Repeatability RSD, % 2.00
3.16
2.76
2.28
2.02
6.87
4.05
2.56
2.12
4.54
Reproducibility RSD, %
4.46
4.63
3.66
3.94
8.16
16.7
6.34
3.82
5.85
6.03
HorRat
0.187
0.195
0.158
0.172
0.365
0.717
0.244
0.163
0.137
0.158
Sample ID
EV4H2R EV4H2Q CLC10-B a
00866RF00 00859RF00 00795RF00 50350017W1 00796RF00 00821RF00
Total No. of labs
8
8
8
8
8
8
8
8
8
Total No. of replicates
16
16
15
16
16
16
16
15
16
Overall mean of all data (grand mean), µg/100 g
7.94
2.15
1150 a
4.76
3.15
9.32
4.53
1.51
3.16
Repeatability SD
0.275
0.121
20.9
0.114
0.033
0.332
0.119
0.072
0.068
Reproducibility SD
0.384
0.246
34.0
0.205
0.097
0.855
0.182
0.115
0.159
Repeatability RSD, % 3.47
5.64
1.81
2.39
1.06
3.56
2.62
4.80
2.16
Reproducibility RSD, %
4.84
11.4
2.94
4.29
3.06
9.18
4.02
7.61
5.02
HorRat
0.207
0.401
0.188
0.120
0.081
0.284
0.111
0.179
0.132
a Results in μ g/kg powder.
(h) Laboratory water . (i) Reagent alcohol .—ACS. (j) Sodium acetate anhydrous .—ACS. (k) Zinc .—Sigma-Aldrich (St. Louis, MO, USA) Part No. 324930, <150 µm, 99.995% or equivalent. (l) Zinc chloride .—ACS.
D. Standard and Solution Preparation Note : Since vitamin K 1 is light-sensitive, all standards must be prepared, handled, and stored in the dark or under yellow shielded lighting, B(r) , unless otherwise stated. If the standards must be transported through or into an area without yellow shielded lighting,
Figure 2015.09A. Vitamin K system configuration.
© 2019 AOAC INTERNATIONAL
Made with FlippingBook HTML5