How The Hs Processes A Sample Vial - Agilent Technologies 7697A Advanced Operation Manual

2
How the 7697A Headspace Sampler Works

How the HS Processes a Sample Vial

User tasks
Prepare sample.
Cap sample in vial.
Place vial in
carousel
Lift vial into oven.
Equilibrate.
Lift vial onto sample
probe.
16
Figure 4 shows the workflow for a vial processed by the 12
vial model HS.
Pressurize vial.
Perform dynamic
leak test.
Perform extractions and injections:
If Single:
-Fill sample loop.
-Start run, vent vial (optional)
If Concentrated:
-Fill sample loop, inject, repeat
(pressurize, test, fill loop, inject).
-Start run, vent vial (optional)
If Multiple extractions:
-Fill sample loop.
-Start run, vent vial (optional)
-Repeat.
Remove vial from
probe.
Lower vial into
carousel.
Figure 4 Basic 7697A HS vial process flow, 12 vial model
Figure 5 shows the workflow for a vial processed by the 111
vial model HS (with tray).
Advanced Operation