Specifications

48 Hardware Installation
3 Checklists
 GC plumbed
Configuring the GC
 ALS installed (optional)
 Merlin Microseal installed (optional)
 GC plugged in and turned on
 GC passes self-test
 Column parameters configured
 Carrier gas line pressure set to approximately 414 kPa (60 psi)
 Column flow rate set to 5 mL/min (split flow to 200 mL/min)
Conditioning the column
 Free end of column trimmed
 Helium flow through column verified
 Inlet temperature set to 300 °C
 Oven temperature ramped from 40 °C to 300°C at 15 °C per minute and
held for 10 minutes
 5 µL of methanol injected into GC; repeated two more times at 5-minute
intervals
 Inlet set to 250 °C
 GC power off
MSD installation
Preparing the MSD for installation
 MSD and foreline pump unpacked and placed on the bench
 MSD top cover removed
 Vent valve opened to equalize pressure
 PFTBA vial for EI cal valve filled