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3-Monochloropropane-1,2-Diol (3-MCPD) Esters in Olive Oil on Rxi-17Sil MS

PeakstR (min)Conc.
1.3-MCPD-d5 PBA derivative5.9371.81
2.3-MCPD PBA derivative5.9772.94
ColumnRxi-17Sil MS, 30 m, 0.25 mm ID, 0.25 µm (cat.# 14123)
SampleExtracted olive oil
Inj. Vol.:1 µL split (split ratio 10:1)
Liner:Topaz 4.0 mm ID Precision inlet liner w/wool (cat.# 23305)
Inj. Temp.:280 °C
Oven Temp.:120 °C (hold 0.5 min) to 180 °C at 12 °C/min to 330 °C at 25 °C/min (hold 5 min)
Carrier GasHe, constant flow
Flow Rate:1.4 mL/min
SIM Program:147, 150, 196, 201 m/z, 50 ms dwell
Transfer Line Temp.:320 °C
Analyzer Type:Quadrupole
Source Temp.:230 °C
Quad Temp.:150 °C
InstrumentAgilent 7890A GC & 5975C MSD
NotesThe olive oil sample was spiked with 3-MCPD-d5 ester and prepared according to AOCS method Cd 29c-13.