4. Basic Operation
4-8
CBM-20A/20Alite
4.1.8 Waiting for the System to Stabilize
After autopurge is completed, click and in the "Method" section to start solvent
delivery with the solvent delivery module and temperature control with the column oven.
If warmup is executed as part of the autopurge process, the pump will already be ON.
Look at the chromatogram in the "Monitor" section and ensure that the baseline of the
detector as well as pump pressure is stable. Click in the "Method" section to set the
data to zero (the baseline of the detector to "0").
""Method" Section" P. 2-21
""Monitor" Section" P. 2-25
Click the or button at the chromatogram to enlarge or reduce the chromatogram
of the detector in the Y-axis direction. Click the button to display the "Chromatogram
Setting" window, and you can set whether or not to show the pump pressure and change the
maximum and minimum pressure values.
The default length of the chromatogram's time axis is 20 minutes. When analysis starts,
however, it changes to a value in the range 1 to 120 minutes in accordance with the
analysis time (as determined by the "Run Time" setting or the time program's STOP
command).
""Chromatogram" Tab Page" P. 2-25
""Chromatogram Setting" Window" P. 2-26
4.1.9 Executing Analysis
Start analysis of the samples.
1
Click .
[Run] changes to [Stop] and analysis is performed in accordance with the sequence
settings. When analysis is completed, the status display changes to [Ready].
Click to stop analysis. If the status is [Stop], rinse the autosampler's needle
by clicking .
4.1.10 Turning OFF the Solvent Delivery Module and Column Oven
When analysis is completed, click and in the "Method" section to stop solvent
delivery and temperature control.
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