7.
Unscrew the finger-tight PEEK union from the UNF coupling.
8.
Remove the ferrule from the capillary.
9.
Remove the capillary from the UNF coupling.
10. Dispose of the capillary and ferrule in accordance with local
environmental regulations.
Installing the new capillary
Required materials
•
Chemical-resistant, powder-free gloves
•
Needle-nose pliers
•
7-mm wrench
•
Combined 2.5-mm Allen wrench and cone extraction tool
•
Red PEEK tubing
•
LC pump
•
HPLC-grade (or better) 1:1 acetonitrile/water
•
Capillary
•
Sharp knife or PEEK tubing cutter
•
Safety goggles
5-78
Maintenance Procedures
Ferrule
The capillary and ferrule can be contaminated
Warning:
with biohazardous and/or toxic materials. Dispose of them
according to local environmental regulations.