2
Installing 7890 GC Columns
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
• Tip seal spring (G7005-20024)
• Column cutter, ceramic (5181-8836) or diamond (5183-4620)
• Flashlight
• Magnifying loupe
• Gloves, clean
• Self Tightening column nut for GC\MS interface (5190-5233)
• Ferrules, Vespel
• Septum (may be old, used inlet septum)
• Safety glasses
42
EI SS or Inert source)
•
Large (8650-0030)
•
Small (8650-0029)
•
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)
Figure 6
on page 44.) (Not used with
5977B Series MSD Operating Manual