Figure 3.
TEM images and elemental mapping of (a) pure magnetite, (b) magnetite and biomass (MBC), (c) plastic biomass char composite (PBC), (d) magnetite mixed plastic biomass char composite (MPBC).
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.