Figure 1.
SEM photographs of (a) sodium tetraborate decahydrate, (b) ammonium pentaborate, and (c) zinc borate.
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.