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Chapter 7 Data Explorer Examples
7-14 Applied Biosystems
7
7.2.2 Processing Before Calibrating to
Optimize Mass Accuracy
This section includes:
• Calibrating without baseline correcting and deisotoping
• Before calibrating
• Calibrating
Calibrating
without baseline
correcting and
deisotoping
For optimum mass accuracy, baseline correct and deisotope a
spectrum before calibrating.
Figure 7-12 shows a spectrum before calibration.
Figure 7-12 Spectrum Before Calibration
Figure 7-13 shows a spectrum that has been calibrated
without initial baseline correction and deisotoping. Mass
accuracy is not acceptable.
Figure 7-13 Calibration Without Baseline Correction
or Deisotoping