48 Hardware Installation
3 Checklists
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
❒ PFDTD vial for CI cal valve filled
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