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DHA Column Inertness Comparison Using Oxy Setup

ColumnComparison of competitor column and Rtx-DHA-100 column, 100 m, 0.25 mm ID, 0.50 µm (cat.# 10148)
Standard/SampleOxy setup blend, neat
Inj. Vol.:0.1 µL split (split ratio 150:1)
Liner:4 mm ID deactivated cup inlet liner (cat.# 20709 [replaced by 20710])
Inj. Temp.:250 °C
Oven Temp.:5 °C
Carrier GasH2, constant flow
Flow Rate:3.62 mL/min
Linear Velocity:55 cm/sec
DetectorFID @ 300 °C
NotesThe chromatograms are aligned on pentane (C5).

Note that the analytical column was originally named Rtx-1 PONA (cat.# 10195); it has since been renamed (no other changes) Rtx-DHA-100 (cat.# 10148).