Table 2. Accuracy – spike recovery.
Product
SPIFAN Code
Nr.
replicates
(n)
Spike Recovery
Native level
(mcg/100g
reconstituted)
Level 1 (~50%)
Level 2 (~150% for
placebo, ~100% for
fortified)
Avg (%)
n=3
RSD
(%)
Avg (%)
n=3
RSD
(%)
Child Formula Powder,
placebo
00847RF00
6
Not detected
103
3.2
105
1.5
Adult Nutritional RTF
High Protein, placebo
00821RF00
6
Not detected
102
1.6
103
1.5
Adult Nutritional RTF
High Fat, placebo
00820RF00
6
Not detected
102
2.2
104
1.7
Infant Formula Powder
Partially Hydrolyzed
Soy Based
410457651Z
6
4.43
105
4.2
101
4.2
Adult Nutritional
Powder Low Fat
00859RF00
6
31.9
111
2.9
102
1.8
Child Formula Powder
00866RF00
6
21.6
109
2.8
104
1.7
Infant Elemental
Powder
00795RF00
6
10.7
106
2.8
95.1
3.0
Infant Formula Powder
FOS/GOS Based
50350017W1
6
1.66
105
6.4
99.9
7.2
Infant Formula Powder
Milk Based
K16NTAV
6
5.11
104
6.1
103
4.6
Adult Nutritional RTF
High Protein
00730RF00
6
56.8
109
1.6
102
0.8
Adult Nutritional RTF
High Fat
00729RF00
6
76.2
109
2.4
101
0.7
Table 3. Accuracy – recovery of SRM 1849a.
SRM Product
Code
Reference value
Measured value
Recovery vs CoA
(mg/kg powder)
(mg/kg powder)
%
1849a
CLC-10b
1.99
1.969
99
2.067
104
2.081
105
2.023
102
2.047
103
1.971
99
2.013
101
1.987
100
1.995
100
Bio-03 (February 2016)
FOR ERP USE ONLY
DO NOT DISTRIBUTE