A very high yield electron impact ion source for analytical mass spectrometry

S. L. Koontz, M. Bonner Denton

Research output: Contribution to journalArticle

7 Scopus citations

Abstract

A novel ion source designed for use in mass spectrometric determination of organic compounds is described. The source is designed around a low pressure, large volume, hot cathode Penning discharge. The source operates in the 10-4 -10-7 torr pressure domain and is capable of producing focusable current densities several orders of magnitude greater than those produced by conventional "Nier"-type sources. Mass spectra of n-butane and octafluoro-2-butene are presented. An improved signal-to-noise ratio is demonstrated with a General Electric Monopole 300 mass spectrometer.

Original languageEnglish (US)
Pages (from-to)227-239
Number of pages13
JournalInternational Journal of Mass Spectrometry and Ion Physics
Volume37
Issue number2
DOIs
StatePublished - Feb 1981

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