125
Order online at www.agilent.com/chem/store
GC/MS Systems
Repeatability
D
irty syringe needle Clean or replace the syringe.
W
rong syringe needle Replace syringe and septa.
Leaking injection port Perform injection port maintenance.
Replace the injection port liner, septa and liner O-ring.
Injection is too large Check method and injection volume, split ratio and/or
splitless purge time.
Loose column connections Tighten column nuts on injection port or transfer line.
Replace column nuts and ferrule.
Variations in pressure, column flow
and temperature
Ensure the MSD is located in an environment where
the temperature is stable.
Keep MSD out of drafts and direct sunlight.
Check that the carrier gas is steady and well regulated.
Service the foreline pump and/or diffusion pump.
Dirty ion source Clean source.
Loose connections in the analyzer Check internal and external analyzer wiring conections,
make sure all are secure.
Ground loops Check main electrical lines.
Mass Spectrometer Symptoms
Symptoms Remedy
5975 MSD
To Next Page
Loading...
Need help?
General
