Abstract
A device for the preliminary separation of ions based on an ion mobility increment spectrometer with cylindrical geometry of its electrodes is described. The device is operated in tandem with an atmospheric-pressure ionization mass spectrometer. The use of the spectrometer in the preliminary separation of ions of the target substance from ions of the chemical noise is illustrated by investigating the vapor above a water solution of acrylamide (CH2=CH-CO-NH2) with a concentration of 1.4 × 10−5 mol/L. The resolution of the device is rather low, R ∼ 10–20; nevertheless, thanks to its simplicity and availability, the device may find application to routine chemical analysis and in portable instruments.
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Original Russian Text © Yu.N. Kolomiets, V.V. Pervukhin, D.G. Sheven, 2012, published in Pribory i Tekhnika Eksperimenta, 2012, No. 2, pp. 104–107.
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Kolomiets, Y.N., Pervukhin, V.V. & Sheven, D.G. A device for the preliminary separation of ions for mass spectrometry analysis. Instrum Exp Tech 55, 244–247 (2012). https://doi.org/10.1134/S0020441212010290
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DOI: https://doi.org/10.1134/S0020441212010290