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Creating an Extracted Absorbance Chromatogram (XAC) (Mariner Data Only)
Data Explorer
™
Software User’s Guide 4-13
4
4.3 Creating an Extracted
Absorbance Chromatogram
(XAC) (Mariner Data Only)
This section describes how to create an Extracted Absorbance
chromatogram (XAC) for DAD Mariner data:
• From the Chromatogram window
• From the Spectrum window
From the
Chromatogram
window
To create an extracted absorbance chromatogram (XAC) for a
selected wavelength window or range:
1. Click the Chromatogram window to activate it.
2. Display a TAC or Channel chromatogram by selecting
Traces from the View menu, then selecting the
chromatogram.
3. Select Duplicate Active Trace from the Display menu to
keep the original data displayed after processing.
4. Select Extracted Absorbance from the Process menu or
click in the toolbar.
5. In the Extracted DAD Chromatogram dialog box
(Figure 4-6), click one of the following:
• Center/Window, then enter the wavelengths
of interest (from 190 nm to 950 nm) and the
window for wavelengths to include.
• Range, then enter the From and To values for
wavelengths from 190 nm to 950 nm.