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Peaks | tR (min) | Conc. (µg/g) | |
---|---|---|---|
1. | 3-MCPD-d5 PBA derivative | 5.937 | 1.81 |
2. | 3-MCPD PBA derivative | 5.977 | 2.94 |
Column | Rxi-17Sil MS, 30 m, 0.25 mm ID, 0.25 µm (cat.# 14123) |
---|---|
Standard/Sample | Extracted olive oil |
Diluent: | Isooctane |
Injection | |
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 | |
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 Gas | He, constant flow |
Flow Rate: | 1.4 mL/min |
Detector | MS | |
---|---|---|
Mode: | SIM | |
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 | |
Instrument | Agilent 7890A GC & 5975C MSD | |
Sample Preparation | The olive oil sample was spiked with 3-MCPD-d5 ester and prepared according to AOCS method Cd 29c-13. |
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