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Average pH values for accelerated degradation specimens for sample 1 L (n = 3)
| Specimen | Average pH | Std. Dev. |
|---|---|---|
| 1 (1w) | 7.39 | 0 |
| 2 (1w) | 7.39 | 0 |
| 3 (1w) | 7.39 | 0 |
| 1 (2w) | 7.46 | 0.01 |
| 2 (2w) | 7.48 | 0.01 |
| 3 (2w) | 7.49 | 0.02 |
| 1 (3w) | 7.48 | 0.04 |
| 2 (3w) | 7.47 | 0.04 |
| 3 (3w) | 7.47 | 0.04 |
| 1 (4w) | 7.50 | 0.08 |
| 2 (4w) | 7.51 | 0.08 |
| 3 (4w) | 7.51 | 0.08 |
