No visualization

Select this option if you do not want to represent the fraction information graphically in the chromatogram.

Vertical stripes

Select this option to represent the fraction information as vertical stripes in the chromatogram.

Rectangles at top

Select this option to mark the single fractions with small rectangles at the top of the chromatogram plot.

Rectangles at bottom

Select this option to mark the single fractions with small rectangles at the bottom of the chromatogram plot.

Fill stripes/rectangles

Select this check box to fill the stripes or rectangles for the channels used as detection channels for fraction collection (default: selected).

Mark tubes inside fractions

Select this option to mark the use of different tubes in a fraction by a dotted line (default: selected).

Mark tubes outside fractions

Select this option to mark the use of different tubes outside a fraction by a dotted line (default: selected).

Label fractions

Select this check box to have Chromeleon label all peaks automatically that were identified with the variables listed in the Formula field.

Formula

Displays the currently used label.

• Double-click a variable in braces to edit the variable. The Edit Variable of Fraction Label Formula dialog box appears. Select one of the listed variables.

• If the cursor is positioned outside the braces, additional variables can be included via the {..} button.

Example 1:

F{frac.number} ({frac.tube(1).position}-{frac.tube(frac.nTubes).position})

generates the following label:

F4 (8-11)

This means: The label belongs to the fourth fraction. The numbers in parentheses indicate that this fraction was collected in tubes 8 to 11.

Example 2:

You may also label individual tubes inside and/or outside of fractions. For this you have to place the context specifier {@tube} in front of the label formula:

{@tube}{tube.position("Tray Position")}

The formula above may generate the following label:

BA5

This means that the label belongs to the tube on tray position BA5.

Example 3:

In addition, it is possible to label tubes and fractions independently of each other by combining the context specifiers {@tube} and {@frac} within a single formula:

{@frac}F{frac.number} {@tube}T{tube.position}

This formula may generate the following fraction label:

F3

and the following tube label:

 T5

The label will thus identify tube no. 5 within the third fraction.