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2
Installing LTM Columns
To Condition the LTM Column Module
This procedure is used to prepare a new LTM column module for use on the
5975T GC/MSD.
Materials needed
• Column cutter, ceramic (5181-8836) or diamond (5183-4620)
• Ferrules (SilTite)
• Hand lens (magnifying loupe)
• Gloves, clean
• Internal column nut (G2855-20530)
• Unions (G3182-60580)
• Safety glasses
• Wrench, open-end, 1/4-inch and 5/16-inch (8710-0510)
Do not condition your LTM column module with hydrogen. Hydrogen accumulation in
WA R N I N G
the guard column enclosure can result in an explosion. If you plan to use hydrogen
as your carrier gas, first condition the column with ultrapure (99.999% or better)
inert gas such as helium, nitrogen, or argon.
Wear clean, lint-free gloves to prevent contamination of the parts.
C A U T I O N
Procedure
1 If necessary, remove the existing LTM column module assembly. See
56
•
0.3-mm id, for < 0.25 mm id column (5188-5361)
•
0.4-mm id, for < 0.32 mm id column (5188-5362)
•
Large (8650-0030)
•
Small (8650-0029)
Remove the LTM Module Assembly from the Instrument"
leaves the instrument in a powered off state.
on page 47. This
5975T LTM GC/MSD Operation Manual
"To
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