Time (min) | [Ag] (ppm) | Recovery % | pH |
0 | 60 | 0 | 8 |
5 | 52 | 17.78 | 9.5 |
10 | 42 | 40 | 9.9 |
15 | 12 | 73.33 | 10.5 |
20 | 0.4 | 99.11 | 11.3 |