FormNo. 203-821-260 02/05-REV0
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Just as important as locating the peaks in a complex sample, is producing deconvolutedmass
spectra that are fully library searchable. Figures 2 and 3 demonstrate this for two of the peaks
from Figure 1. When viewing the figures, notice that shared ions between the compounds,
represented by extracted unique ions 103 (orange) and 62 (green), are properly proportioned by
the ChromaTOF Spectral Deconvolution algorithm. This guarantees that library search results will
be accurate.
Deconvoluted
mass spectrum
NIST Library
mass spectrum
Raw
mass spectrum
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Figure2.
Automated peak find and spectral deconvolution formethoxymethylethoxy propanol in a
blue ballpoint pen ink. The rawmass spectrum is a combination of ions (including those that are
shared, markedwith red asterisks) from the coelutions. The deconvoluted spectrum has a similarity
of 907 (out of 999) with the library spectrum.
Deconvoluted
mass spectrum
NIST Library
mass spectrum
Raw
mass spectrum
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Figure3.
Automated peak find and spectral deconvolution for ethoxy ethoxyethanol in a blue
ballpoint pen ink. The deconvoluted spectrum has a similarity of 939 (out of 999) with the library
spectrum.
