3 Operating tutorial
792 Basic IC
54
3.4 Sample determination
Following the calibration of the IC system as described in
section 3.3
the first sample solution can be injected.
1 Start determination
Click on
<Start>
or select
Start determination
of the
Control
menu in the system window. An empty chromatogram win-
dow opens where the baseline is recorded continuously. The
message
Initialisation [792 COM#]
appears in the
SYSTEM
STATE
window. Then the
Edit
sample
description
window is
opened automatically.
2 Enter information for determination
Enter the desired information concerning the sample in the
Edit
sample
description
window and confirm with
<OK>
. Set
Ca-
libration level
to
0
and confirm with
<OK>
.
3 Switch injection valve to "FILL" position
Click on the
button of the 792 icon in the system
window to switch the injection valve to the "FILL" position. At
the same time, the suppressor module is switched to the next
position.
4 Fill sample loop
Immerse the aspirating tubing
23
2323
23
in the vessel containing the
drinking water sample.
Using the syringe fixed to the syringe tubing
25
2525
25
, siphon in ca.
1 mL drinking water.
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