Time (min) | pH 6.5 | SE | pH 7.2 | SE |
---|---|---|---|---|
0 | 0 | 0 | 0 | 0 |
6 | 15.6 | 1.78 | 5.9 | 1.15 |
15 | 31.2 | 2.69 | 8.4 | 1.08 |
30 | 42.1 | 2.29 | 16.3 | 1.69 |
60 | 50.7 | 3.31 | 24.1 | 2.07 |
90 | 55.5 | 4.35 | 28.5 | 2.15 |
180 | 62.5 | 3.38 | 34.6 | 3.06 |
360 | 71.1 | 5.01 | 39.7 | 3.25 |
540 | 76.6 | 4.52 | 42.8 | 3.07 |
720 | 80.8 | 3.69 | 44.9 | 3.76 |
900 | 83.3 | 4.59 | 46.4 | 2.99 |