Table of Contents
Advertisement
Chapter 8
Maintaining a Purged Packed Column Injector
Purged Packed Column Injector Maintenance
The Purged Packed Column injector and its interface module will normally be
serviced by Thermo Fisher Scientific authorized technical personnel.
In order to operate at peak performances, the injector requires periodic
maintenance from the user. This maintenance includes:
•
•
When replacing the septum
The septum must be replaced at least every 200 injections, or every time a
problem occurs related to a septum damage or wear. Refer to Chapter 19,
Analytical
Replace the Septum
It is good practice to replace the septum every time the liner is replaced.
When replacing the liner
The liner must be replaced periodically, depending on the number of injections
performed and on the characteristics of the samples injected. The most common
symptom indicating that the liner should be replaced is the appearance of tailing
peaks in the chromatogram, particularly for polar compounds.
You can replace the liner with a new one or clean the liner and reinstall it.
Every time the liner is replaced, it is a good practice to replace the septum too.
132
the replacement of the septum
the cleaning or replacement of the liner.
Troubleshooting, for more information. Instructions are reported in the
Operating Sequence on page 133.
Purged Packed Column Injector Maintenance
Maintenance and Troubleshooting Manual
Advertisement
Chapters
Table of Contents
Troubleshooting
