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Multi Laboratory Test – AOAC First Action Method 2012.22 Ascorbic Acid (Vitamin C) in Infant Formula and
Adult/Pediatric Nutritionals.
RDLS-RD150006
E. Campos Giménez (NRC, Lausanne)
Page 27
CONFIDENTIAL
The contents of this document constitute a trade secret and the intellectual property rights thereto belong to Nestlé S. A., Vevey, Switzerland.
This document may not be reproduced or disclosed to third parties without prior authorisation.
Annex G: Raw data practice samples
Raw data
practice
samples
Laboratory Practice sample 1: code YKLP059
Practice sample 2: code EPXW887
Code
Avg
CV
Avg
CV
1
12.0
11.7
11.8
2.4% 10.3
10.3
10.3
0.2%
2
11.0
10.9
11.0
0.9% 9.8
9.7
9.7
0.9%
3
11.6
11.2
11.4
3.5% 10.0
10.3
10.2
3.0%
4
11.4
11.0
11.2
3.7% 9.4
9.9
9.7
5.6%
5
10.6
10.6
10.6
0.1% 9.5
9.3
9.4
1.3%
6
11.2
11.4
11.3
1.5% 10.6
11.0
10.8
3.7%
7
12.7
12.8
12.8
0.8% 10.8
10.7
10.8
0.9%
8
14.5
14.5
14.5
0.4% 13.0
13.1
13.1
0.5%
9
11.6
11.3
11.5
2.6% 10.9
10.6
10.8
2.8%
10
12.2
12.1
12.1
1.2% 10.7
10.9
10.8
2.5%
11
12.6
12.6
12.6
0.1% 11.3
11.3
11.3
0.2%
12
12.5
12.5
12.5
0.5% 10.8
10.8
10.765
0.3%
13
10.3
10.2
10.2
1.0% 8.2
8.1
8.2
0.9%
14
11.2
11.1
11.2
0.7% 9.0
8.9
8.9
0.3%
15
14.7
14.4
14.5
2.7% 12.2
12.3
12.3
0.9%
16
13.4
13.3
13.4
0.7% 12.1
12.4
12.3
2.4%
17
12.3
12.2
12.2
0.8% 11.0
11.1
11.0
1.1%
18
12.0
11.8
11.9
1.7% 11.0
10.9
11.0
0.9%
19
11.4
11.2
11.3
1.5% 10.4
10.3
10.3
0.8%
20
21
11.4
11.3
11.4
0.9% 9.0
9.1
9.1
0.4%
22
11.3
10.6
23
11.5
11.6
11.5
0.5% 10.5
10.4
10.5
0.7%
24
11.5
12.2
11.9
5.7% 10.0
10.4
10.2
3.6%
Average
11.9
Average
10.5
SD
b
1.11
SD
b
1.14
S
r
0.167
S
r
0.149
RSD
r
1.4%
RSD
r
1.4%
S
R
1.115
S
R
1.142
RSD
R
9.3%
RSD
R
9.6%
Not analysed
AOAC OMB Meeting Book
361