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Updated: Jul 12, 2026

Using a Cyclic Ion Mobility Spectrometer for Tandem Ion Mobility Experiments
Published on: January 20, 2022
Dynamic mass spectrometer for studies of organic and inorganic molecules
A N Zavilopulo1, O B Shpenik, V A Surkov
1Institute of Electron Physics, Ukr. Nat. Acad. Sci., Department of Ion Processes, Universytetska Str. 21, 88017 Uzhhorod, Ukraine. an@zvl.iep.uzhgorod.ua
Abstract:
Experimental technique is described and relative cross-sections of direct and dissociative ionization of CO2, C4H9OH, C2H5OH, CH3OH, C6H12O6 and C7H8 molecules by electron impact in the near-threshold energy range are obtained. The experiment is performed on a setup with ion mass separation based on a monopole mass spectrometer which is proved to be successful for such a sort of experiments. For the incident electron energy range from 7 to 35 eV the energy dependences of cross-section of appearance of the main molecule ions and the fragment ions formed due to its dissociation are given.
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