RtxPresentations07 - page 2826-2827

Direct InjectionLiners
Standard
Uniliner® with
hole
Cyclo
Uniliner®
Open-top
Uniliner®
w/ wool
Benefits:
Easy to clean.
No contact with
metal inlet parts.
Simulates on-
column sample
introduction.
Drawbacks:
Wool canbe
adsorptive,
especially if fibers
arebroken.
Benefits:
Excellent
vaporization for high
and lowmolecular
weight samples.
Traps non-volatile
residue.
Drawbacks:
Cannot bepacked
withwool.
Difficult to clean.
Benefits:
Ideal for EPC
equippedGC’s.
Theholeat the top is
ideal for analysis in
which the compounds
of interest eluteaway
from the solvent peak.
Theholeat thebottom
is ideal for analysis in
which the compounds
of interest couldbe
affectedby a tailing
solvent peak.