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Journal of Analytical Chemistry

, Volume 66, Issue 14, pp 1398–1403 | Cite as

Effect of metastable ions on the formation of mass of spectra of a magnetic instrument with single focusing

  • M. A. KazgovEmail author
  • B. A. Kalinin
  • O. E. Aleksandrov
  • P. V. Volobuev
Articles

Abstract

Metastable ions play important role in the background formation; therefore, the knowledge of the specific features of their emergence is necessary. In this work, we report the study of the reasons and laws of the formation of ions of this type. A procedure is proposed for the search for precursor and product ions corresponding to metastable ions that decomposed in the field-free zone between the exit from the ion source and an entrance of the magnetic mass-analyzer, and also of ions formed in the accelerating zone of the ion source. Using this procedure we could identify peaks in the mass spectrum unknown previously.

Keywords

mass spectrometry metastable ions accelerating zone background ion current primary ions secondary ions 

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Copyright information

© Pleiades Publishing, Ltd. 2011

Authors and Affiliations

  • M. A. Kazgov
    • 1
    Email author
  • B. A. Kalinin
    • 1
  • O. E. Aleksandrov
    • 1
  • P. V. Volobuev
    • 1
  1. 1.Physicotechnical FacultyUral Federal University named after the first President of Russia B.N. YeltsinYekaterinburgRussia

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