2 Installing 7890/7820/6890/6850 GC Columns
36 5975/5977 Series MSD Operating Manual
To Install a Capillary Column in the GC/MS
Interface Using the Self-Tightening Column
Nut
This procedure is for the installation of a capillary column directly into the
analyzer using the Agilent recommended self-tightening column nut.
Materials needed
• Interface tip seal (G3870-20542) (See Figure 6 on page 38.) (Not used with EI
SS or Inert source)
• Tip seal spring (G7005-20024)
• Column cutter, ceramic (5181-8836) or diamond (5183-4620)
• Flashlight
• Magnifying loupe
• Gloves, clean
• Large (8650-0030)
• Small (8650-0029)
• Self Tightening column nut for GC\MS interface (5190-5233)
• Ferrules, Vespel
• 0.27 mm id, for 0.10 mm id columns (5062-3518)
• 0.37 mm id, for 0.20 mm id columns (5062-3516)
• 0.40 mm id, for 0.25 mm id columns (5181-3323)
• 0.5 mm id, for 0.32 mm id columns (5062-3514)
• 0.8 mm id, for 0.53 mm id columns (5062-3512)
• Septum (may be old, used inlet septum)
• Safety glasses
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