19
Agilent 7820A Gas Chromatograph
Advanced User Guide
Agilent Technologies
3
Inlets
Using Hydrogen 20
Inlet Overview 21
Carrier Gas Flow Rates 22
About Gas Saver 23
Pre Run and Prep Run 25
Auto Prep Run 26
About the Split/Splitless Inlet 27
Split/Splitless inlet split mode overview 28
Split/Splitless inlet splitless mode overview
29
The S/SL inlet pulsed split and splitless modes 30
Split/Splitless inlet split mode minimum operating pressures 31
Selecting the correct S/SL inlet liner 32
Vapor Volume Calculator 34
Selecting parameters for the S/SL splitless mode 36
About the Purged Packed Column Inlet 39
Setting parameters 40
About the Packed Column Inlet 41
Setting parameters 40
About the Cool On-Column Inlet 43
Retention gaps 44
COC inlet temperature control
44
Setting COC inlet flows/pressures 45