Abstract
The drift time and ion mobility of imidazole are determined and a procedure for the mathematical processing of spectra is developed. The specific features of changes in the ion mobility spectrum during measurements at a particular time are studied. The structures of the generated ions are proposed based on the interpretation of spectral signals, and the enthalpies of formation of the generated ions are estimated. The characteristic signal of the imidazole ion protonated at the nitrogen atom of the pyridine type was revealed. The limit of detection for imidazole in recording with the Kerber detector was found to be 0.3 ng.
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Aleksandrova, D.A., Melamed, T.B., Baberkina, E.P. et al. Ion Mobility Spectrometry of Imidazole and Possibilities of Its Determination. J Anal Chem 76, 1282–1289 (2021). https://doi.org/10.1134/S1061934821110022
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DOI: https://doi.org/10.1134/S1061934821110022