Chemical shift (δ) in ppm, and percentage of Si structural sites.
| Molar ratio SiO2–TiO2 | δ/% | ||
|---|---|---|---|
| Q2 | Q3 | Q4 | |
| 1 : 1 | −92.2/27.7 | −100.3/48.4 | −108.7/23.9 |
| 1 : 4 | −92.9/40.4 | −100.5/51.6 | −110.3/8.0 |
| 4 : 1 | −92.2/19.5 | −101.3/61.8 | −110.0/18.6 |
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.