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Diesel & Motor Oil on Rtx-Mineral Oil

3.Motor oil500
ColumnRtx-Mineral Oil, 15 m, 0.32 mm ID, 0.10 µm (cat.# 18079)
using IP deactivated guard column 10 m, 0.32 mm ID (cat.# 10047)
with aluminum connector
SampleDiesel #2/motor oil (cat.# 31682)
Extraction solvent stock solution #2 (cat.# 31680)
Diluent:Hexane/methylene chloride
Inj. Vol.:1.0 µL Direct
Inj. Temp.:58 °C
Oven Temp.:55 °C (hold 1.0 min) to 380 °C at 100 °C/min (hold 6.0 min)
Carrier GasH2, constant flow
Linear Velocity:40 cm/sec
DetectorFID @ 380 °C
Make-up Gas Flow Rate:30 mL/min
Make-up Gas Type:N2
InstrumentAgilent/HP6890 GC
NotesDirect cool on-column injection, programmed by oven tracking.
Actual guard column length used in application was 2 m.