Figure 1.
Experimentally measured degradation relative to the initial concentration (%), for each spiked concentration. The dots represent the mean concentration (%) in the three samples, and the bars represent the standard error for each mean.
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.