4 Installing 7890 GC Columns
To Install a Capillary Column in the GC/MS Interface Using a Standard Column Nut
86 7000/7010 Series TQ GC/MS Operating Manual
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 the previous section.
Materials needed
• Interface tip seal (G3870-20542) (See Figure 20 and Figure 21 on page 83.)
• Tip seal spring (G7005-20024)
• Knurled tip seal retainer (G3870-20547)
• Column cutter, ceramic (5181-8836) or diamond (5183-4620)
• Flashlight
• Magnifying loupe
• Gloves, clean, lint-free (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)