MassQC Help > Metrics > MS2          
The Metrics that Describe the MS2 Level of Ionization:
  • Peaks per Spectrum is the number of fragment ion peaks in the MS2 spectrum.
  • High-intensity ID Rate is the percentage of the more intense MS1 peaks that get identified as a peptide.
  • Low-intensity ID Rate is the percentage of the least intense MS1 peaks that get identified as a peptide.
  • Signal to Noise estimates how strong the signal is, that is how much larger the large peaks in the spectrum compared to the the background noise.
  • Ion Inject Time is the time in milliseconds that it takes to fill the ion trap.
Forum:

If you have questions, comments and/or insights about MassQC, you can share them on the MassQC Users Forum.

Search the MassQC Site and the Help Center: