Skip to main content
U.S. flag

An official website of the United States government

Back to the OSAC Lexicon

Diagnostic Ion

A MS or MS/MS molecular ion or fragment ion whose presence and relative abundance are characteristic of the targeted analyte.

Date Added to Lexicon
Standard Source (Designation Number Title of Standard. Publisher, Place, Year.)
ANSI/ASB 098 Standard for Mass Spectral Analysis in Forensic Toxicology. AAFS Academy Standards Board (ASB), 410 North 21st Street, Colorado Springs, CO 80904, 2023. Source link(link is external)