Agilent Technologies 7890 Series - Carrier Gas Flow Rates

Inlets 3
Advanced Operation Manual 37
Carrier Gas Flow Rates
The flow rates in Table 4 are recommended for all column
temperatures.
Tabl e 4 Column size and carrier flow rate
Column type Column size Carrier flow rate, mL/min
Hydrogen Helium Nitrogen
Packed 1/8-inch 30 20
1/4-inch 60 40
Capillary 0.05 mm id 0.5 0.4 n/a
0.10 mm id 1.0 0.8 n/a
0.20 mm id 2.0 1.6 0.25
0.25 mm id 2.5 2.0 0.5
0.32 mm id 3.2 2.6 0.75
0.53 mm id 5.3 4.2 1.5