Abstract
In ion mobility spectrometers, space-charge field has a significant effect on the diffusion and drift of ions, if the initial ion density is higher than 106 cm−3. Owing to this effect, the ion distribution in time and space cannot be described by a Gaussian curve any longer. These non-Gaussian ion distributions change the shape of the spectra not only quantitatively, but also qualitatively, which can lead to a misinterpretation of the spectra.
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Original Russian Text © M.N. Levin, A.V. Krisilov, B.A. Zon, 2014, published in Khimicheskaya Fizika, 2014, Vol. 33, No. 12, pp. 60–64.
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Levin, M.N., Krisilov, A.V. & Zon, B.A. Effect of space charge on the ion mobility spectrum with two close lines. Russ. J. Phys. Chem. B 8, 888–892 (2014). https://doi.org/10.1134/S1990793114110207
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DOI: https://doi.org/10.1134/S1990793114110207