Total number of acid sites evaluated by NH3-TPD (μmol g−1).
| Sample | NH3 desorbed [μmol g−1] |
|---|---|
| Vs1-SBA-3 | 36 |
| Vs2-SBA-3 | 38 |
| Vs3-SBA-3 | 35 |
| Vm1-SBA-3 | 23 |
| Vm2-SBA-3 | 485 |
| Vm3-SBA-3 | 661 |
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.