Overtone Mobility Spectrometry: Part 3. On the Origin of Peaks |
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| Authors: | Stephen J Valentine Ruwan T Kurulugama David E Clemmer |
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| Institution: | (1) Department of Chemistry, Indiana University, Bloomington, IN 47405, USA;(2) Present address: Pacific Northwest National Laboratory, Richland, WA, USA; |
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| Abstract: | The origin of non-integer overtone peaks in overtone mobility spectrometry (OMS) spectra is investigated by ion trajectory
simulations. Simulations indicate that these OMS features arise from higher-order overtone series. An empirically-derived
formula is presented as a means of describing the positions of peaks. The new equation makes it possible to determine collision
cross sections from any OMS peak. Additionally, it is extended as a means of predicting the resolving power for any peak in
an OMS distribution. |
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