76-77 / 123
Table 2 (continued): Precision results for vitamin D fortified samples
Seq.
Precision
Symbol
Child formula
powder – milk-
based
Infant formula
powder, p/h milk-
based
Child elemental
powder
Milk-based infant
formula
Vitamin D
3
Vitamin D
3
Vitamin D
3
Vitamin D
3
RQXQ518/GVPE615 KDOX966/ATAN351 EFXN778/BFAO941
CULF358/GBZC169
1
Total number of laboratories
p
9
9
9
9
2
Total number of replicates
Sum(n(L))
18
18
18
18
3
Overall mean of all data (grand mean)
x
7.6 µg hg
-1
8.8 µg hg
-1
8.7 µg hg
-1
10.1 µg hg
-1
4
Repeatability standard deviation
SD
r
0.1 µg hg
-1
0.3 µg hg
-1
0.2 µg hg
-1
0.5 µg hg
-1
5
Reproducibility standard deviation
SD
R
0.5 µg hg
-1
0.6 µg hg
-1
0.9 µg hg
-1
0.8 µg hg
-1
6
SMPR Repeatability limit
11.0%
11.0%
11.0%
11.0%
7
Repeatability RSD
RSD
r
%
1.9%
3.2%
2.7%
5.1%
8
SMPR Reproducibility limit
15.0%
15.0%
15.0%
15.0%
9
Reproducibility RSD
RSD
R
%
6.5%
6.4%
9.8%
8.3%
10
Horwitz Ratio
HorRat
R
0.3
0.3
0.4
0.4
Seq.
Precision
Symbol
IF powder –
FOS/GOS based
Low-Fat adult
nutritional powder
NIST1869 CRM
Vitamin D
3
Vitamin D
3
Vitamin D
2
URTF231/WKHN288 LYNY751/PZGP859
GBAN911/PTLO721
1
Total number of laboratories
p
9
9
9
2
Total number of replicates
Sum(n(L))
18
18
34
3
Overall mean of all data (grand mean)
x
6.9 µg hg
-1
3.3 µg hg
-1
13.8 µg hg
-1
4
Repeatability standard deviation
SD
r
0.3 µg hg
-1
0.2 µg hg
-1
0.8 µg hg
-1
5
Reproducibility standard deviation
SD
R
0.6 µg hg
-1
0.4 µg hg
-1
1.8 µg hg
-1
6
SMPR Repeatability limit
11.0%
11.0%
11.0%
7
Repeatability RSD
RSD
r
%
4.9%
4.6%
5.8%
8
SMPR Reproducibility limit
15.0%
15.0%
15.0%
9
Reproducibility RSD
RSD
R
%
9.1%
12.0%
12.7%
10
Horwitz Ratio
HorRat
R
0.4
0.4
0.6
2016.05 (FEBRUARY 2017) VITD-18
MLT REPORT
FOR ERP USE ONLY
DO NOT DISTRIBUTE