cryogenic sampling

https://doi.org/10.1351/goldbook.C01425
The @[email protected] of trace compounds from gaseous media by cocondensation with a major @[email protected] (e.g. water vapour, CO2, N2, Ar) of the matrix.
Source:
PAC, 1990, 62, 2167. (Glossary of atmospheric chemistry terms (Recommendations 1990)) on page 2212 [Terms] [Paper]