H+ (mol∙L−1) | Separation factor(SF) Zr/Hf | ||
DEHPA | IONQUEST®801 | CYANEX®272 | |
1.0 | 1.2 | 1.1 | 22.9 |
2.0 | 1.3 | 1.1 | 22.1 |
3.0 | 1.2 | 1.2 | 23.3 |
4.0 | 1.6 | 1.2 | 31.0 |
5.0 | 1.2 | 1.2 | 22.0 |