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2 Hardware Installation (Differences)
Installation Checklist
o
Column installation
o Remove inlet nut containing blank ferrule
o Mount column on cage holder
o Remove inlet septum
o Place septum, inlet nut, and ferrule onto column inlet
o Trim column inlet, inspecting for jagged edges and burrs
o Wipe end with lint-free cloth moistened with methanol
o Position column end 4 – 6 mm past end of ferrule
o Slide septum up to maintain this position
o Insert nut into inlet
o Tighten with wrench 1/4 to 1/2 turn past finger tight
o
Column conditioning
o GC power on
o Column flow rate set to 5 mL per min (split ratio set to 200)
o Helium flow through column verified
o GC Control Module used to create and save PREP_RUN method parameters
o Run PREP_RUN method
o 5 uL of methanol injected when oven temperature at 80° C; repeated twice at
15 minute intervals
o Injection port temperature turned off when oven cools to 35° C
o GC power off when injection port cools below 100° C
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