Diagnostic ion
From Mass Spec Terms
| DRAFT DEFINITION |
| Diagnostic ion |
|---|
| A product ion whose formation reveals structural or compositional information of its precursor. For instance, the phenyl cation in an electron ionization mass spectrum is a diagnostic ion for benzene and derivatives. |
| Considered between 2004 and 2006 but not included in the 2006 PAC submission |
| This is an unofficial draft definition presented for information and comment. |
