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Mechanism of fragmentation and atomization of molecular ions in gasdynamic transport cell

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Abstract

The fragmentation of molecular ions formed upon the electrospraying of a sample and transported through the gasdynamic system of a mass spectrometer equipped with an IESAP (Ion Extraction from Solution at Atmospheric Pressure) source has been experimentally studied. It is established that ion fragmentation in a Kantorowicz-Gray type cell takes place in the immediate vicinity of a skimmer port, apparently, as a result of collisions between ions (accelerated in an electric field) and stagnant gas. Molecular mechanisms of fragmentation are considered and it is concluded that this process can take place in a single ion-molecule collision event.

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Authors and Affiliations

  1. Research Institute for Geology and Mineral Resources of the World Ocean (VNIIOkeangeologiya), St. Petersburg, 190121, Russia

    A. N. Bazhenov, S. V. Bulovich, L. N. Gall, A. V. Kretinina, M. N. Lapushkin & N. R. Gall

  2. St. Petersburg State Polytechnical University, St. Petersburg, 195251, Russia

    A. N. Bazhenov, S. V. Bulovich, L. N. Gall, A. V. Kretinina, M. N. Lapushkin & N. R. Gall

  3. Institute for Analytical Instrument Making, Russian Academy of Sciences, St. Petersburg, 190103, Russia

    A. N. Bazhenov, S. V. Bulovich, L. N. Gall, A. V. Kretinina, M. N. Lapushkin & N. R. Gall

  4. Ioffe Physical Technical Institute, Russian Academy of Sciences, St. Petersburg, 194021, Russia

    A. N. Bazhenov, S. V. Bulovich, L. N. Gall, A. V. Kretinina, M. N. Lapushkin & N. R. Gall

Authors
  1. A. N. Bazhenov
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  2. S. V. Bulovich
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  3. L. N. Gall
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  4. A. V. Kretinina
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  5. M. N. Lapushkin
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  6. N. R. Gall
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Corresponding author

Correspondence to L. N. Gall.

Additional information

Original Russian Text © A.N. Bazhenov, S.V. Bulovich, L.N. Gall, A.V. Kretinina, M.N. Lapushkin, N.R. Gall, 2010, published in Pis’ma v Zhurnal Tekhnicheskoĭ Fiziki, 2010, Vol. 36, No. 7, pp. 45–53.

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Bazhenov, A.N., Bulovich, S.V., Gall, L.N. et al. Mechanism of fragmentation and atomization of molecular ions in gasdynamic transport cell. Tech. Phys. Lett. 36, 315–318 (2010). https://doi.org/10.1134/S1063785010040085

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  • DOI: https://doi.org/10.1134/S1063785010040085

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