Figure 1.
Tandem mass spectra of internal standard PE 18:1/18:1‐N‐19:0 in (A) positive ion mode and (B) negative ion mode at collision energies of 20 eV.
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.