Inlets 3
Advanced Operation Manual 121
Preinjection washes and pumps are performed only before
the first injection of a multiple injection set.
Postinjection washes are performed only after the last
injection in a multiple injection set.
An example
These values were used for a sample with a broad range of
boiling points.
Tabl e 24 General parameters
Name Value
Sample C
10
to C
44
hydrocarbons in hexane
Mode Solvent vent
MMI liner Glass wool packed
Injection volume One 10.0 μL injection (25 μL syringe)
Injection speed Fast
Column 30 m x 320 μm x 0.25 μm -5, part
number 19091J-413
Column flow 4 mL/min constant flow
Tabl e 25 Inlet parameters
Name Value Name Value
Initial temp 40 °C Rate 2 (off)
Initial time 0.3 min Pressure 15.6 psig
Rate 1 720 °C/min Vent pressure 0.0 psig
Final temp 1 450 °C Vent flow 100 mL/min
Final time 1 5 min Vent end time 0.2 min
Rate 2 100 °C/min Purge time 2.0 min
Final temp 2 250 °C Purge flow 50 mL/min
Final time 2 0 min
Tabl e 26 Oven parameters
Name Value
Initial temp 40 °C
Initial time 2.5 min
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