Analyzing 3D Amperometry Data
Editing Integration Intervals

In addition to editing integration intervals by moving the line cursors in the 3D amperometry window (see Viewing Chromatograms in the 3D Amperometry Window), you can also edit integration intervals on the Chromatogram Plot tab of the Decoration dialog box.

Use the Chromatogram Plot tab page to add or delete intervals and edit existing intervals.

1. Double-click the 3D or I-t plot or select Decoration on the context menu.

2. Select the Chromatogram Plot tab.

3. To add an integration interval, click Insert and then enter the Retention Time (min), the Begin Integration, and the End Integration parameters. See the guidelines below for details.

When you add an integration interval at a particular retention time, the new interval is in effect from that time forward until the next integration interval is specified.

4. To delete an integration interval, select the interval and click Delete.

 Note:  

Integration intervals that were defined in the control Program cannot be deleted. The Retention Time (min) cell for these intervals is disabled (gray).

Guidelines for Defining New Integration Intervals

• The retention time of the last integration interval in the table must be before the end of the run.

• The Begin Integration must be at least 10 ms after the start of the waveform period.

• The End Integration must be at least 10 ms before the end of the waveform period.

• Up to 15 intervals can be defined.

Also, refer to:

Analyzing 3D Amperometry Data

 The 3D Amperometry Window