2 Installing 7890/7820/6890/6850 GC Columns
5975/5977 Series MSD Operating Manual 41
To Install a Capillary Column in the GC/MS
Interface Using a Standard Column Nut
This procedure is for the installation of a capillary column directly into the
analyzer. There are two types of column nuts that can be used in the GC/MS
interface: The standard column nut explained here, and the self tightening
column nut explained in “To Install a Capillary Column in the GC/MS Interface
Using the Self-Tightening Column Nut” on page 36.
Materials needed
• Interface tip seal (G3870-20542) (See Figure 5 on page 38 and Figure 6 on
page 38.) (Not used with EI SS or Inert source)
• Tip seal spring (G7005-20024) (Not used with SS or Inert EI source)
• Column cutter, ceramic (5181-8836) or diamond (5183-4620)
• Flashlight
• Magnifying loupe
• Gloves, clean
• Large (8650-0030)
• Small (8650-0029)
• Interface column nut (05988-20066)
• Ferrules
• 0.3 mm id, for 0.10 mm id columns (5062-3507)
• 0.4 mm id, for 0.20 and 0.25 mm id columns (5062-3508)
• 0.5 mm id, for 0.32 mm id columns (5062-3506)
• 0.8 mm id, for 0.53 mm id columns (5062-3512)
• Septum (may be old, used inlet septum)
• Safety glasses
• Wrench, open-end, 1/4-inch and 5/16-inch (8710-0510)
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