Obsolete term, see Precursor Ion.
|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 molecular moiety which may dissociate to form fragments, oneor more of which may be electrically charged, and one or more neutral species. Aparent ion may be a molecular ion or an electrically charged fragment of a molecular ion. Synonymous with Precursor Ion.