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.
Example QCM data for the change in resonant frequency with time for bare aluminum oxide, an 89 nm polyurethane film, and a 153 nm polyurethane film after exposure to (A) DCP and (B) DMMP for 60 min, followed by subsequent desorption of the CWA simulant.
