spray chamber

https://doi.org/10.1351/goldbook.08551
Chamber of a nebulizer in which the sprayed liquid is converted to mist. Some of the droplets of this mist may evaporate, coalesce, or deposit in the chamber and subsequently drain away as waste.
Source:
PAC, 2021, 93, 647. (Glossary of methods and terms used in analytical spectroscopy (IUPAC Recommendations 2019)) on page 734 [Terms] [Paper]