Table 1.
Rise and fall times estimated during the three performed tests.
| Rise timeτ90(min) | Fall timeτ90(min) | |
|---|---|---|
| pH = 7.0 → 8.0 | 54.0 | 23.0 |
| pH = 8.0 → 9.0 | 9.5 | 17.0 |
| pH = 7.0 → 9.0 | 14.0 | 26.0 |
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