Installing GC Columns 2
5977 Series MSD Operation Manual 41
To Prepare the Column Ends for a CFT Fitting
Materials needed
• SilTite ferrules:
• 0.1- to 0.25-mm columns, pkg of 10 (5188-5361)
• 0.32-mm columns, pkg of 10 (5188-5362)
• 0.53-mm columns, pkg of 10 (5188-5363)
• Swaging nut
• Wrench, open-end, 1/4-inch and 5/16-inch (8710-0510)
Procedure
1 Obtain the appropriate metal ferrule.
2 Pass the tubing end through the internal nut and SilTite ferrule leaving
approximately 1 cm of fused silica tubing protruding beyond the ferrule.
Thread the ferrule pre-swaging tool onto the internal nut with the tube
protruding (see Figure 5).
Figure 5 Assemble the internal nut, ferrule, and swaging nut
CAUTION
The SilTite ferrules are delicate. Follow the instructions in the next step very carefully
to avoid overtightening.
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