thermal extraction

https://doi.org/10.1351/goldbook.10203
Release of volatile compounds from a sample by heat.
Note: The volatile compounds are typically transported by a gas stream to a sorbent tube or cryogenic trap for collection.
Source:
PAC, 2016, 88, 517. 'Glossary of terms used in extraction (IUPAC Recommendations 2016)' on page 531 (https://doi.org/10.1515/pac-2015-0903)