3
OMNICxi Software Operation
Acquire and Analyze Data
Thermo Scientific
DXRxi User Guide
135
Peak Height Profile Settings
The Peak Height profile shows the corrected height of the specified peak for each sample
point in the chemical image. The colors in the chemical image represent the relative intensity
of the specified peak at each sample point. A higher intensity value (closer to the top of the
profile intensity scale) indicates a larger peak.
Figure 79.
Peak height profile settings
Table 27.
Peak area profile settings
Profile Type
Description
Area start/end
Defines the location of the peak of interest. To specify the peak position,
select the
Spectrum tool
,
then click a point of interest in the
chemical image. The spectrum collected at that location is displayed in
the spectral pane. Enter X-axis start and end locations in their respective
boxes or drag the left and right facing triangle tools in the spectral pane
to mark the peak start and end.
Tip
: To zoom the spectrum, use the mouse to draw a box around the
region, then click inside the box.
Baseline
start/end
Defines baseline values for the specified peak area. Enter X-axis locations
in the
Baseline start
and
Baseline end
boxes or drag the two downward
facing triangle tools in the spectral pane (see image above) to mark the
baseline points.
Summary of Contents for DXR xi
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