An ion that has been formed or transferred to the gas-phase. This term is normally used to differ an isolated ion existing in the gas phase from those existing in solution or other condensed-phase environments in association with solvent and counter-ions.
|Considered between 2004 and 2006 but not included in the 2006 PAC submission|
|This is an unofficial draft definition presented for information and comment.|
Orange Book Entry
An electrically charged dissociation product of an ionic fragmentation. Such an ion may dissociate further to produce other electrically charged molecular or atomic moieties of successively lower formula weight. See also Daughter Ion.