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Procedure
Always wear clean gloves while handling any parts that go inside the GC or the
CA UT IO N
analyzer chambers.
The analyzer, GC/MS interface, and other components in the analyzer chamber
WARNING
operate at very high temperatures. Do not touch any part until you are sure it is cool.
1 Condition the column. (See
2 Vent the MS (See
The GC operates under high temperatures. To avoid burns, do not touch any GC parts
WARNING
unless you are certain they are cool.
3 Slide an interface nut and conditioned ferrule onto the free end of the GC
4 Use the column cutter to score the column 2 cm from the end.
5 While holding the column against the column cutter with your thumb, break
6 Inspect the end for jagged edges or burrs. If the break is not clean and even,
7 Slide the column into the GC/MS interface. For an EI Source Installation
8 Hand-tighten the nut. Ensure the position of the column does not change as
9 Check the GC oven to be sure that the column does not touch the oven
5977B Series MSD Operation Manual
"Vent the MSD"
chamber (See
"To Open the Analyzer Chamber"
can see the end of the GC/MS interface.
column. The tapered end of the ferrule must point towards the nut.
the column against the edge of the column cutter.
repeat steps 5 and 6.
(Figure
5), the column extends 1 to 3 mm. Use the flashlight and magnifying
loupe if necessary to see the end of the column inside the analyzer chamber.
Do not use your finger to feel for the column end.
you tighten the nut, and be sure to not over tighten the nut.
walls.
"To Condition a Capillary Column"
on page 77) and open the front analyzer
Installing GC Columns
on page 36.)
on page 94). Be sure you
2
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