Figure 2.
Section of the mass spectrum with protonated masses of glyoxal and acetone/propanal. The red points display the integrated counts during the calibration, and the blue points were recorded during an ambient air measurement.
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.