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Analysis of Melamine and Related Compounds in Infant Formula

Analysis of Melamine and Related Compounds in Infant Formula

PeakstR (min)Quant. IonQual. IonQual.IonQual. Ion
1.Cyanuric acid10.258345330346347
2.Ammelide11.073344329345330
3.Ammeline11.760328343329344
4.Melamine12.328327342328343
5.Benzoguanamine14.538316331332330
image
GC_FF01095
ColumnRxi-5Sil MS w/5 m Integra-Guard column, 30 m, 0.25 mm ID, 0.25 µm (cat.# 13623-124)
SampleInfant formula fortified at 1 μg/g with melamine and related analogs stock standard (cat.# 33253)
Benzoguanamine (cat.# 33251)
Conc.:0.01 µg/mL as tri-TMS derivatives
Injection
Inj. Vol.:1.0 µL splitless (hold 1 min)
Liner:3.5 mm Gooseneck Splitless w/Wool (cat.# 22286-200.1)
Inj. Temp.:280 °C
Oven
Oven Temp.:75 °C to 320 °C at 15 °C/min (hold 4 min)
Carrier GasHe, constant flow
Flow Rate:1 mL/min
DetectorMS
Mode:SIM
Transfer Line Temp.:290 °C
Ionization Mode:EI
InstrumentShimadzu 2010 GC & QP2010+ MS
Notesall method ions in table, only quantification ions were plotted
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