MassQC Help > Metrics > Chromatography          
The Metrics that Describe the Chromatography:
  • Peak Width of a chromatographic peak is the peak's full width at half maximum.
  • Peak Width Variability is a metric that describes the variation of peak widths throughout the Retention Spread.
  • Peptides per Minute is the rate that peptides are detected.
  • Retention Spread is the middle part of the retention time.¬†One quarter of the peptides elute earlier; one quarter of the peptides elute later. One half of the peptides elute during the Retention Spread period.

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