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Comparative Study
. 2008 May;22(10):1563-6.
doi: 10.1002/rcm.3544.

Mass measurement accuracy comparisons between a double-focusing magnetic sector and a time-of-flight mass analyzer

Michael S Bereman  1 , Matthew M Lyndon, R Brent Dixon, David C Muddiman
Affiliations
Comparative Study

Mass measurement accuracy comparisons between a double-focusing magnetic sector and a time-of-flight mass analyzer

Michael S Bereman et al. Rapid Commun Mass Spectrom. 2008 May.

Abstract

We report a direct comparison of the mass measurement accuracies (MMAs) obtained on different mass spectrometry instrument types; a magnetic sector as the 'gold standard' and an electrospray ionization time-of-flight (ESI-TOF) instrument. Sixty samples, obtained from the Department of Chemistry at North Carolina State University, were analyzed on each instrument. Data are presented and compared between the different instruments. The average absolute MMAs achieved for the magnetic sector and Agilent ESI-TOF mass spectrometers were 3.0 and 1.1 ppm, respectively.

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