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High-resolution mass spectrometry with a multiple pass quadrupole mass analyzer.

Authors
  • Amad, M H
  • Houk, R S
Type
Published Article
Journal
Analytical chemistry
Publication Date
Dec 01, 1998
Volume
70
Issue
23
Pages
4885–4889
Identifiers
DOI: 10.1021/ac980505w
PMID: 21644671
Source
Medline
License
Unknown

Abstract

The peak shape narrows and the resolution improves if the ions are simply reflected back and forth through a conventional quadrupole mass analyzer. CO(+) and N(2)(+) at m/z = 28 are separated to 50% valley with half of the original signal remaining. These two ions can be resolved to baseline (m/Δm) = 5000 with 1% of the original signal remaining.

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