trapping

https://doi.org/10.1351/goldbook.T06492
The interception of a @R05180@ molecule or reaction @I03096@ so that it is removed from the system or converted into a more @S05900@ form for study or identification.
See also:
scavenger
Source:
PAC, 1994, 66, 1077. (Glossary of terms used in physical organic chemistry (IUPAC Recommendations 1994)) on page 1174 [Terms] [Paper]