How to display peak purity

Displaying peak purity is one of the fundamental tasks when ensuring that no co-eluting or co-migrating impurities contribute to the peak's response.

1. Used views: Chromatogram View, Peak Purity Spectra View, Peak Purity View and Isoplot View.

   Note:

   See chapter How to display PDA chromatogram data for more information about using the PDA Chromatogram window functions.

2. Move the marker ① to the peak for which you want to display peak purity.
3. In the menu Chromatogram - click the Display Peak Purity ② command or click the icon in the toolbar.

   Note:

   No peak selected in the Peak Purity View means that the marker from step 2 is not positioned on any peak.

4. Peak Purity View: displays signal for selected peak and its calculated Peak Purity ③.
5. Peak Purity Spectra View: displays spectra in several significant points ④ of the peak selected in the Peak Purity View.