| 序号 | 样点位 | pH | 矿浆电位(mv) | COD |
| 1 | 回水 | 12.23 | −112 | 67.72 |
| 2 | II系统原矿分级溢流 | 12.54 | −167 | 115.9 |
| 3 | II系统搅拌桶出口 | 12.68 | −163 | 106.8 |
| 4 | II系统粗选一尾 | 12.57 | −120 | 120.4 |
| 5 | II系统粗选二尾 | 12.58 | −113 | 109.8 |
| 6 | II系统粗扫一尾 | 12.57 | −99 | 114.4 |
| 7 | II系统粗扫二尾 | 12.54 | −99 | 115.9 |
| 8 | I系统原矿分级溢流 | 11.50 | −79 | 75.25 |
| 9 | I系统粗一进浆 | 12.70 | −131 | 103.8 |
| 10 | I系统粗一尾 | 12.55 | −113 | 105.3 |
| 11 | I系统粗二尾 | 12.72 | −103 | 108.5 |
| 12 | I系统粗三尾 | 12.67 | −99 | 114.4 |
| 13 | I系统扫选尾 | 12.58 | −98 | 130.9 |
| 14 | 混合粗精矿分级溢流 | 12.81 | −139 | 135.4 |
| 15 | 粗精选尾 | 12.72 | −112 | 141.5 |
| 16 | 精扫尾 | 12.71 | −121 | 149.0 |
| 17 | 精选进浆 | 12.60 | −107 | 120.6 |
| 18 | 精选尾 | 12.66 | −91 | 106.8 |