## Wikipedia - Chemi-ionization (en) Wikipedia - Ion source (en) Wikipedia - Kjemi-ionisering (no) Wikipedia - Quimioionización (es) chemi-ionization

in mass spectrometry
https://doi.org/10.1351/goldbook.C01044
This refers to a process whereby gaseous molecules are ionized when they interact with other internally excited gaseous molecules or molecular moieties. [email protected]@ and chemical @[email protected] are two terms which should not be used interchangeably.