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.
Cross section of a 50% sn-POP (red beads)/50% sn-StOSt (green beads) crystal. The yellow circle shows the area with the ends of the stearic chains in close proximity. The blue circle shows the area with mini-voids created by the presence of sn-POP in a crystal with sn-StOSt.
