Elemental Sulfur as a Versatile Low-Mass-Range Calibration Standard for Laser Desorption Ionization Mass Spectrometry

Andrew Kruegel, Athula B. Attygalle

Research output: Contribution to journalArticlepeer-review

15 Scopus citations

Abstract

Facile generation of series of singly charged radical anions (Sn-•; n = 1-15) and cations (Sn+•; n = 2-11) by direct laser ionization renders elemental sulfur an excellent material for the low-mass-region calibration of time of flight (TOF) mass spectrometers. Upon irradiation by a 337-nm UV laser, elemental sulfur undergoes facile ionization without the need of an additional laser-absorbing matrix. An intense and evenly spaced set of peaks is obtained in both modes.

Original languageEnglish
Pages (from-to)112-116
Number of pages5
JournalJournal of the American Society for Mass Spectrometry
Volume21
Issue number1
DOIs
StatePublished - Jan 2010

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