Figure 7.
FE-SEM images of (a) the neat WSPU, (b) WSPU/20CaCO3, and (c) WSPU/20TCaCO3; (d) magnified image of WSPU/20TCaCO3.
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.