Subtract The Baseline Noise From The Spectra - Agilent Technologies G1701EA Familiarization Manual

Subtract the baseline noise from the spectra

Figure 38 Subtracted spectrum for Dodecane
Agilent G1701EA MSD Productivity ChemStation Familiarization Guide
Use spectral subtraction to improve the quality of your spectra
by subtracting the baseline signal (noise) from peaks of interest.
1 With the peak apex stored in the Stack X register, position
the cursor on the peak at its baseline and double right
mouse click. The spectrum is displayed and placed in the X
register in the Data Analysis Variable Watch window. The
previous spectrum (peak apex) in the X register is moved to
the Y register.
Select the Subtract button,
2
will be displayed as a spectrum labeled with a [-] following
its title. See Figure
Qualitative Data Analysis
. The difference (Y - X)
38.
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