Assertion: ion | /r/HasProperty | separated by drift time
Facets:
value: under an applied electrical potential gradient
type: OTHER
value: through some neutral gas
type: OTHER
Source sentences:
text: Ion mobility spectrometry-mass spectrometry (IMS/MS or IMMS) is a technique where ions are first separated by drift time through some neutral gas under an applied electrical potential gradient before being introduced into a mass spectrometer.