preheating inductively-coupled plasma zone 

Synonym: preheating plasma zone
https://doi.org/10.1351/goldbook.08528
Inductively-coupled plasma volume where tertiary aerosols suffer from complete solvent evaporation, element salt vaporization and dissociation into atoms.
Source:
PAC, 2021, 93, 647. (Glossary of methods and terms used in analytical spectroscopy (IUPAC Recommendations 2019)) on page 729 [Terms] [Paper]