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.
FTIR spectroscopy was performed using the ATR accessory and examination crystal. All measurements were obtained under the following conditions: a resolution of 4 cm−1 and four internal scans per reading. FTIR: Fourier-transform infrared; ATR: attenuated total reflectance. Crystal: plate of zinc selenite crystal.
