Figure 8.
XRD spectrum results of the mixes with different contents of Na2CO3 at ages of (a) 1, (b) 7, and (c) 28 days.
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.