SimultaneousDetermination of SevenWater SolubleVitamins inProducts byLC-MS/MS
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Table 4. Method precision (Repeatabilitywas extracted fromANOVA analysis of the duplicate tests on eachofmultiple days)
Biotin
SMPR criteria
≤ 6%
LOTno.:
Average*
Repeatability
%RSD
(intermedi
ate)
Infant formulaPWDSoyBased**
E29JVLV
3.26
3.1%
6.1%
Adult Nutritional PWDmilkprotein
based**
11750017V3
1.66
4.5%
9.5%
Infant FormulaPWDPartially
hydrolyzed soybased**
117257651Z
4.58
2.5%
3.3%
Infant FormulaPWDPartially
hydrolyzedmilkbased**
1172572116
4.15
3.5%
4.4%
SRM 1849a**
CLC10-b
21.96
2.8%
3.2%
Adult nutritional highproteinRTF**
00414RF00
6.10
1.8%
2.5%
Adult nutritional RTF high fat **
00406RF00
8.00
3.3%
3.5%
ChildRTF^
NA
24.7
2.9%
2.9%
Infant Elemental PWD^
NA
13.3
2.2%
4.2%
Adult LowFat RTF^
NA
72.7
2.0%
3.7%
Adult HighFat RTF^
NA
73.3
1.5%
3.1%
* µg/100 gproduct as ready to feed
** n=12, duplicate analysis on 6days, single analyst, single instrument
^ n-16, duplicate analysis on 8days, two analysts, two instruments as part of internal SLV effort
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