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Coupling of a Rydberg electron capture ion source with a quadrupole mass filter
Author(s) -
Carette M.,
Zerega Y.,
March R. E.,
Perrier P.,
Andre J.
Publication year - 2000
Publication title -
rapid communications in mass spectrometry
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.528
H-Index - 136
eISSN - 1097-0231
pISSN - 0951-4198
DOI - 10.1002/(sici)1097-0231(20000615)14:11<979::aid-rcm975>3.0.co;2-#
Subject(s) - chemistry , quadrupole , rydberg formula , ion , coupling (piping) , atomic physics , quadrupole mass analyzer , ion source , ionization , physics , organic chemistry , mechanical engineering , engineering
The coupling of a Rydberg electron capture ion source with a Nermag R10‐10H quadrupole mass filter is described. Details are given of the addition to this instrument of a creation cell for atoms excited in Rydberg states. Within the Nermag ion source, such atoms allow attachment of electrons of well‐defined thermal energy. SF 6 was used for optimization of the main experimental parameters (gas pressures and voltages applied to the electrodes). The procedure by which Rydberg electron attachment was confirmed is described. A polychlorobiphenyl compound was used to illustrate the performance of this ionization technique. Ion formation was observed in the absence of fragmentation. Copyright © 2000 John Wiley & Sons, Ltd.