| 试样 | Ca(NO3)2·4H2O | Y2O3 |
| G1 | 0 | 100 |
| G2 | 0.3 | 99.7 |
| G3 | 0.6 | 99.4 |
| G4 | 1.0 | 99.0 |
| G5 | 2.9 | 97.1 |
| G6 | 4.8 | 95.2 |
| G7 | 6.5 | 93.5 |
| G8 | 9.1 | 90.9 |