Organophosphorus Pesticides in AOAC QuEChERS Solvent on Rxi-5ms

Injection
Column	Rxi-5ms, 15 m, 0.25 mm ID, 0.25 µm (cat.# 13420)
Standard/Sample	8140/8141 OP pesticide calibration mix A (cat.# 32277)
Diluent:	1% Acetic acid in acetonitrile
Conc.:	1 ng/µL
Inj. Vol.:	1 µL splitless (hold 1.5 min)
Liner:	Premium 4 mm single taper w/wool (cat.# 23303.1)
Inj. Temp.:	250 °C
Purge Flow:	40 mL/min
Oven
Oven Temp.:	70 °C (hold 1.5 min) to 330 °C at 12.7 °C/min (hold 3.0 min)
Carrier Gas	He, constant flow
Flow Rate:	1 mL/min

Detector	FID @ 350 °C
Constant Column + Constant Make-up:	50 mL/min
Make-up Gas Type:	N₂
Hydrogen flow:	40 mL/min
Air flow:	450 mL/min
Data Rate:	10 Hz
Instrument	Agilent/HP6890 GC

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