10 Maintaining the TCD
To Install a Capillary Column in the TCD
166 Maintaining Your GC
To Install a Capillary Column in the TCD
1 Gather the following materials, see “Consumables and Parts for the Thermal Conductivity
Detector” on page 164:
• Column
• Ferrule(s)
• Column nut
• Column cutter
• 1/4-inch open-end wrench
• Septum
• Isopropanol
• Lab tissue
• Lint-free gloves
2 Launch the GC maintenance wizard: Maintenance > Column > Perform Maintenance >
Install Column > Start Maintenance. Wait for the GC to become ready.
The wizard will guide you through the maintenance steps described below.
Be careful! The oven, inlet, and/or detector may be hot enough to cause burns. If the oven,
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
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.
3 Place a septum (if the column id is ≤0.1 mm), capillary column nut, and ferrule on the
column.
4 Score the column using a glass scribing tool. The score must be square to ensure a clean
break.
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