ion mobility spectrometry

initialism: IMS
https://doi.org/10.1351/goldbook.12442
Separation of ions according to their velocity through a buffer gas under the influence of an electric field.
Source:
PAC, 2013, 85, 1515. (Definitions of terms relating to mass spectrometry (IUPAC Recommendations 2013)) on page 1554 [Terms] [Paper]