selected ion flow tube

acronym: SIFT
https://doi.org/10.1351/goldbook.12567
Device in which m/z selected ions are entrained in an inert carrier gas and subsequently undergo ion/molecule reactions with molecules introduced into the gas flow.
See also: drift tube
Source:
PAC, 2013, 85, 1515. (Definitions of terms relating to mass spectrometry (IUPAC Recommendations 2013)) on page 1589 [Terms] [Paper]