| 方案 | TiSO4/(g∙L−1) | Na2WO4/(g∙L−1) | Ra/(μm) |
| 0 | 0 | 0 | 0.13 |
| 1 | 0.3 | 0 | 0.14 |
| 2 | 0.6 | 0 | 0.15 |
| 3 | 0.9 | 0 | 0.17 |
| 4 | 0 | 0.03 | 0.15 |
| 5 | 0 | 0.06 | 0.15 |
| 6 | 0 | 0.09 | 0.16 |