2) Asiri adehun le ti wa ni wole
3) Ẹri agbapada ọjọ meje
Diẹ pataki: a le pese kii ṣe ọja nikan, ṣugbọn iṣẹ ojutu imọ-ẹrọ!
Orukọ ọja: hafnium irin
Ilana molikula: Hf
Nọmba CAS: 7440-58-6
Mimọ: 99%-99.99%
| Atọka | Hf |
| Zr+Hf(Iṣẹju%) | 99.9 |
| Ẹyọ | O pọju% |
| Al | 0.001 |
| B | 0.0005 |
| C | 0.005 |
| Cd | 0.0001 |
| Co | 0.0012 |
| Cr | 0.002 |
| Cu | 0.002 |
| Fe | 0.01 |
| H | 0.002 |
| Mg | 0.0015 |
| Mn | 0.0012 |
| Mo | 0.001 |
| N | 0.005 |
| Nb | 0.001 |
| Ni | 0.0012 |
| O | 0.03 |
| Pb | 0.0015 |
| Si | 0.001 |
| Sn | 0.001 |
| Ti | 0.001 |
| V | 0.001 |
| W | 0.005 |
| Zr | 0.5 |