The Peak List view displays the chromatogram peaks that a peak detection algorithm automatically finds or the peaks that were manually added.
TIP
You can resize the Peak List view by dragging the split bar up or down to increase or decrease the table's width.
The content of the Peak List view can be exported in a CSV format for a peak-detected workspace (on a single trace or multiple chromatogram traces). The following table lists the parameters in the peak list view.
NOTE
You can only select the Peak List option in the ellipsis menu Ellipsis menu if the chromatogram peaks are integrated and if the Peak List view is closed.
Parameter | Description |
|---|---|
Column | Displays the field that appears in the Peak List table. |
Index | Specifies the unique identification number for each chromatogram peak. The index increments from the lowest RT to the highest RT in a trace and from the top trace to the bottom trace. |
Name | Specifies the compound name, which comes from the instrument method. |
RT (min) | Specifies the RT (in minutes) corresponding to the apex of the peak. |
RT (sec) | Specifies the RT (in seconds) corresponding to the apex of the peak. |
Start RT | Specifies the RT corresponding to the start of the chromatographic peak, where the detection signal increases beyond the threshold criteria. |
End RT | Specifies the RT corresponding to the end of the chromatographic peak, where the detection signal decreases below the threshold criteria. |
Base Peak | Specifies the m/z of the most abundant ion at the apex of the peak. The Peak List view displays 0.00 if no mass spectral data is present. |
Peak Area | Specifies the area of the peak (in units of counts × seconds). Displayed in either general or exponential format. |
Peak Height | Specifies the number of counts at the peak apex. Displayed in either general or exponential format. |
PWHH | Specifies the PWHH used for the pharmacopeia S/N calculation. |
Baseline Width | Specifies the difference (in minutes) between the RTstart and RTend values. |
Signal to Noise | Specifies the S/N of the integrated peak. |
File Name | Specifies the path and name of the raw data file. |
Scan Filter | Specifies the filter applied to the injection or the raw data file. The application auto-senses the metafilters (including SRM or compound-filters) in the injection or the raw data file in this order: MS, MS2…MS9, ETD, HCD, and then the individual scan filter list. |
Trace ID | Specifies the chromatogram trace number. |
% Area | Specifies the peak area as a percentage of the total peak area. |
% Height | Specifies the peak height as a percentage of the total peak height. |
Integration Method | Specifies the integration method (ICIS, Genesis, or manual). |