Mass spectrometer and method for enhancing resolution of mass spectra
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United States of America Patent
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Mar 15, 2011
Grant Date -
Dec 4, 2008
app pub date -
Aug 8, 2008
filing date -
Apr 27, 2006
priority date (Note) -
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Abstract
A mass spectrometer comprises an ion detector, an analog-to-digital (A/D) converter, a sample adjuster, and an adder. The A/D converter is configured to generate digital samples representing an analog signal received from the ion detector during a mass scan. The adder is configured to sum the samples with corresponding unsuppressed samples representing analog signals received from the ion detector during previous mass scans, the summed samples defining a mass spectrum. The sample adjuster is configured to identify a peak defined by the samples and to suppress all but one of the samples defining the identified peak to enhance resolution of a peak in the mass spectrum.
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