Agilent Technologies Agilent 7890 Series

104 Maintaining Your GC
7 Maintaining the COC Inlet
Replacement PTFE ferrule for fused silica syringe 0100-1389
Removable stainless steel needle syringe, 10 µL 5182-9633
Replacement stainless steel needles, 0.23 mm 5182-9645 (3/pk)
On-column insert spring 19245-60760
Tab le 1 7 Recommended septa for the COC inlet
Description Part number/quantity
For 0.53-mm and 0.25/0.32-mm septum nuts
5-mm solid septum for manual and automatic
injection
5181-1261
5-mm long-life septum 5183-4762 (50/pk)
5-mm advanced green septum 5183-4760 (50/pk)
5-mm, high-temperature, low-bleed septum 5183-4758 (50/pk)
5-mm through-hole septum for automatic
injection
5181-1260 (25/pk)
For the duckbill septum
Duckbill septum for manual injection only (must
use cooling tower with duckbill)
19245-40050 (10/pk)
Tab le 1 6 Recommended parts for injections onto 0.2-mm fused silica
columns (continued)
Description Part number/quantity
Tab le 1 8 Nuts, ferrules, and hardware for capillary columns
Column id (mm) Description Typical use Part number/quantity
.530 Ferrule, Vespel/graphite,
0.8-mm id
0.45-mm and 0.53-mm capillary
columns
5062-3512 (10/pk)
Ferrule, graphite, 1.0-mm id 0.53-mm capillary columns 5080-8773 (10/pk)
Ferrule, graphite, 0.8-mm id 0.53-mm capillary columns 500-2118 (10/pk)
Column nut, finger-tight (for
0.53-mm columns)
Connect column to inlet or detector 5020-8293