Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Analytical features of tramadol. (A) Extracted ion chromatogram of urine extract at m/z 264.1954 corresponding to [M + H]+ ion of tramadol. (B) Mass spectra of tramadol and its corresponding isotopic pattern. (C) MS/MS spectra of [M + H]+ ion of tramadol. Inspection of the MS/MS spectra allow for the identification of an intense peak at m/z 58.0660 corresponding to a methyl aziridium ion, indicative of the dimethyl amino radical of tramadol.
