Producing isotopic distribution models for fully apodized absorption mode FT-MS

David P A Kilgour, Steven L. Van Orden, Bao Quoc Tran, Young Ah Goo, David R. Goodlett

Research output: Contribution to journalArticlepeer-review

7 Scopus citations

Abstract

Isotopic distributions are frequently used as part of the peak assignment process in the processing of mass spectra. The best methods for producing accurate peak assignments must account for the peak shape and resolving power. In other words, the full profile of the isotopic distribution is important. Conventional methods for modeling isotopic distributions generally assume a peak profile that is not applicable to fully apodized absorption mode spectra because the peak shapes in these spectra are distinctly different from those seen in normal (i.e., magnitude mode) spectra. We present results illustrating this problem and describe a method for producing more accurate isotopic distribution models for this class of spectra.

Original languageEnglish (US)
Pages (from-to)5797-5801
Number of pages5
JournalAnalytical Chemistry
Volume87
Issue number11
DOIs
StatePublished - Jun 2 2015

ASJC Scopus subject areas

  • Analytical Chemistry

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