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Part 3. Packed glass columns Columns and Traps
Ferrules and O-rings for glass packed columns
Ferrules and O-rings for glass packed columns
Table 17 lists ferrules and O-rings used with glass packed columns. Consult the
Agilent Catalog for consumables and supplies for a more complete listing.
Ferrules that are prepared improperly cause leaks and contamination. To avoid
problems, place graphitized Vespel ferrules in a petri dish and bake in the GC
oven at 250 to 300°C for 30 minutes before use to remove organic compounds
absorbed by the graphite. Leave a petri dish of assorted ferrules in the GC oven
to ensure a clean supply.
Table 17 Glass Packed Columns Consumables
Item* Typical use Part no.
1/4-inch graphitized Vespel ferrule,
pkg of 10
Inlet/detector liners,
1/4-inch glass packed
columns
5080-8774
Silicone O-ring, 6.0-mm 1/4-inch glass packed
columns
0905-0322
* O-ring and ferrules ids
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