Figure 3.
(A)FT-IR spectra of fresh catalysts: (a) ZnAl2O4-550, (b) ZnAl2O4-650, (c) ZnAl2O4-750, and (d) ZnAl2O4-850. (B) Enlarged FT-IR spectra.
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.