Büchi Labortechnik AG
Operation | 6
Operation Manual Pure Chromatography Instruments
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u Enter the time.
u Tap the button [OK].
u Tap the cell for [AB▼].
ð The display shows a drop-down list with solvent line combinations.
u Select the combination that you want to use.
u Tap the cell for [% 2nd].
ð The display shows a dialog box with a numeric input box.
u Enter the percentage for the second solvent.
u Tap the button [OK].
u Tap the button [Close].
ð The gradient is saved
ð The dialog Gradient table closes
ð The
Gradient
panel shows the set gradient.
Add additional lines to the Gradient table
u Tap the number field (e.g. 1►).
ð The display shows a drop-down list with selectable actions.
u Select if the line should be added above or below the selected line.
ð A line is added.
Deleting lines from the Gradient table
u Tap the number field (e.g. 1►).
ð The display shows a drop-down list with selectable actions.
u Select delete.
ð The line is deleted.
Editing the gradient in graphic mode
Navigation path
➔ Gradient panel
u Navigate to the
Gradient
panel according the navigation path.
u Tap the button [Edit].
ð The Display shows a drop-down list.
u Select [Edit].
Add steps to the Gradient graphic
u Tap on the line at the time for which you want to edit the gradient and drag it to
the desired %B, then release.
Deleting steps from the Gradient graphic
u To remove a step, drag the point to the baseline or to any gray area around the
graph until a red X is visible, then release.
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