12 Maintaining the NPD
To Install a Capillary Column in the NPD
To Install a Capillary Column in the NPD
1 Gather the following materials:
2 Place GC in maintenance mode: Maintenance > Instrument > Perform Maintenance >
Be careful! The oven, inlet, and/or detector may be hot enough to cause burns. If the oven,
WAR N IN G
inlet, or detector is hot, wear heat-resistant gloves to protect your hands.
Wear safety glasses to protect your eyes from flying particles while handling, cutting, or
WAR N IN G
installing glass or fused silica capillary columns. Use care in handling these columns to
prevent puncture wounds.
Wear clean, lint-free gloves to prevent contamination of parts with dirt and skin oils.
C AU T I O N
3 Place a septum (if the column id is ≤0.1 mm), capillary column nut, and ferrule on the
Ferrule
Column nut
Septum
4 Score the column using a glass scribing tool. The score must be square to ensure a clean
Maintaining Your GC
•
Column
•
Ferrule(s), see
"Consumables and Parts for the NPD"
•
Column nut
•
Column cutter
•
1/4-inch open-end wrench
•
Septum
•
Isopropanol
•
Lab tissue
•
Lint-free gloves
Maintenance Mode > Start Maintenance. Wait for the GC to become ready.
column.
break.
on page 186.
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