Extraction Data (mg/L) for Glasses Extracted with Aqueous Solutions and Subject to Multiple Autoclave Cycles (Starting pH of the KCl Solution was 6)
| Glass | Treatment | H2O | 0.9% KCl | ||
|---|---|---|---|---|---|
| SiO2 | pH | SiO2 | pH | ||
| E51/A | 1 h at 121 °C | 6.05 | 7.13 | 4.28 | 7.59 |
| 2 h at 121 °C | 15.61 | 8.53 | 8.34 | 8.39 | |
| E51/B | 1 h at 121 °C | 18.18 | 8.58 | 8.56 | 8.09 |
| 2 h at 121 °C | 16.77 F | 8.60 | 17.11 F | 8.26 | |
| E33 | 1 h at 121 °C | 7.81 | 8.82 | 27.81 F | 8.08 |
| 2 h at 121 °C | 20.75 F | 8.62 | 64.17 F | 8.11 | |
| E51S | 1 h at 121 °C | 0.86 | 7.85 | 3.64 | 7.66 |
| 2 h at 121 °C | 2.57 | 7.80 | 5.13 | 7.97 | |
F = visible flakes observed.