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Polycyclic Aromatic Hydrocarbons Infant Formula with and without QuEChERS dSPE Clean-up on Rxi-5Sil MS

Peaksm/z
1.decafluorobiphenyl (SS)265
2.Naphthalene128
3.2-Methylnaphthalene142
4.1-Methylnaphthalene142
5.Acenaphthylene152
6.Acenaphthene152
7.Fluorene166
8.phenanthrene-d10 (IS)188
9.Phenanthrene178
10.Anthracene178
Peaksm/z
11.Fluoranthene202
12.Pyrene202
13.Benzo[a]anthracene228
14.Chrysene228
15.Benzo[b]fluoranthene252
16.Benzo[k]fluoranthene252
17.Benzo[a]pyrene252
18.Indeno[1,2,3-cd]pyrene276
19.Dibenz[a,h]anthracene278
20.Benzo[ghi]perylene276
image
GC_FF01123
ColumnRxi-5Sil MS, 30 m, 0.25 mm ID, 0.25 µm (cat.# 13623)
SampleLiquid infant formula spiked with: (see details in notes section)
decafluorobiphenyl (cat.# 31842)
EPA Method 8310 PAH Mixture (cat.# 31841)
phenanthrene-d10 (cat.# 31045)
CHROMATOGRAM TRACES
A. extract with clean-up using Q-sep Q210 QuEChERS dSPE clean-up tube (cat.# 26215)
B. extract without dSPE clean-up
Injection
Inj. Vol.:1 µL splitless (hold 0.15 min)
Liner:3.5mm Gooseneck Splitless w/Wool (cat.# 22286-200.1)
Inj. Temp.:300 °C
Oven
Oven Temp.:50 °C (hold 0.5 min) to 290 °C at 25 °C/min to 320 °C at 5 °C/min (hold 5 min)
Carrier GasHe, constant flow
Flow Rate:1.4 mL/min
DetectorMS
Mode:SIM
Transfer Line Temp.:290 °C
Analyzer Type:Quadrupole
Ionization Mode:EI
InstrumentShimadzu 2010 GC & QP2010+ MS
NotesSample Details:
Liquid infant formula spiked at 1μg/mL with decafluorobiphenyl (cat.# 31842) and EPA Method 8310 PAH Mixture (cat.# 31841) and at 0.5μg/mL with internal standard phenanthrene-d10 (cat.# 31045), then extracted with acetonitrile and Q-sep Q110 QuEChERS extraction tube (cat.# 26213)
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RELATED CHROMATOGRAM LIBRARY SEARCHES

Formula

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Polycyclic

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Aromatic

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Hydrocarbons

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Infant

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QuEChERS

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dSPE

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Clean-up

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Rxi®-5Sil

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Rxi-5SilMS

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