Figure 5.
FTIR spectra of biochars from OS + H2SO4 (A) and OS (B) at different Ar flows.
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.