Inlet Overview - Agilent Technologies 7820A Advanced User's Manual

Inlet Overview

Table 1 Comparing inlets
Inlet Column
Split/splitless Capillary
Purge packed Packed
column
Large capillary
Packed column Packed
Cool on-column Capillary
* Pulsed split and pulsed splitless modes are not available for split/splitless inlets on EPR (electronic pneumatics regulation) equipped GCs.
Advanced User Guide
Sample
Mode concentration
Split High
*
Pulsed split High
Splitless Low
*
Pulsed splitless Low
n/a Any
n/a Any
n/a Any
n/a Low or labile
Sample
Comments
to column
Very little
Useful with large Very little
injections
All
Useful with large
All
injections
All
OK if resolution All
not critical
All
Minimal All
discrimination and
decomposition
3
Inlets
21