| 组别 | Zn(OH)2 | ZnCO3 | NiC2O4 | |||
| 质量(g) | 回收率(%) | 质量(g) | 回收率(%) | 质量(g) | 回收率(%) | |
| 1# | 9.128 | 8.01 | 4.802 | 4.21 | 0.520 | 0.46 |
| 2# | 9.302 | 8.16 | 4.798 | 4.21 | 0.531 | 0.47 |
| 3# | 9.256 | 8.12 | 4.792 | 4.20 | 0.524 | 0.46 |
| 4# | 9.358 | 8.21 | 4.805 | 4.21 | 0.518 | 0.45 |
| 5# | 9.235 | 8.10 | 4.813 | 4.22 | 0.529 | 0.46 |
| 平均值 | 9.255 | 8.12 | 4.802 | 4.21 | 0.524 | 0.46 |