Q P n and Si–O coordination number distributions (%) estimated from the 31P and 29Si MAS-NMR spectra.
| Glass code | Q P n distribution (%) | Si–O coordination number distribution (%) | ||
|---|---|---|---|---|
| Q P 2 | Q P 3 | [4]Si | [6]Si | |
| PSi–Ca | 65.4 | 34.6 | 62.1 | 37.9 |
| PSi–NaCa | 27.6 | 72.4 | 43.7 | 56.3 |
| PSi–Na | 19.7 | 80.3 | 29.1 | 70.9 |