Metrohm 761 Compact IC - Manual (Page 68)

3 Operating tutorial
761 Compact IC
58
11 Fill sample loop
⇒ Immerse the aspirating tubing 4 attached to connection 3 in
the standard solution.
⇒ Using the syringe fixed to connection 2 siphon in ca. 1 mL
standard solution.
12 Switch injection valve to "INJECT" position
⇒ Click on the button of the 761 icon in the system
window to switch the injection valve to the "INJECT" position.
At the same time, the data recording is started automatically.
The status bar of the chromatogram window shows the mes-
sage Measure , the SYSTEM STATE window shows the mes-
sages Running [761 Compact IC] and INJECT done [Suppressed] .
⇒ When the analysis time of 24 min set in the method has
expired the recorded chromatogram is automatically evalu-
ated and stored. The chromatogram window then closes.
13 Open chromatogram
⇒ Click on or File / Open / Chromatogram in the main win-
dow. Select the chromatogram file *.chw just recorded and
click on . The chromatogram window is opened where
the found peaks are numbered and the baselines are drawn
in.
14 Modify integration parameters
⇒ Click on or select Integration from the Method menu in
the main window to open the integration parameters window.
⇒ If required (e.g. if the fluoride peak is not detected), change
the time delay Delay before starting peak integration.