40 Operation Manual
2 Installing GC Columns
To Prepare the Column Ends for a CFT Fitting
5 Using a ceramic column cutter, trim the tubing at the small
end of the ferrule leaving approximately 0.3 mm of tubing
extending beyond the ferrule (Figure 7).
It is important that the ceramic column cutter have one side
dedicated to only make contact with the column and the
other side dedicated to riding on the edge of the metallic
SilTite ferrule. This preserves the ceramic edge sharpness
which is necessary to making good column cuts.
NOTE
It is important that the tube end does not extend beyond 0.5 mm from the
end of the ferrule.
Figure 7 Ceramic column cutter and ferrule
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