2) Mkataba wa usiri unaweza kusainiwa
3) Dhamana ya kurejesha pesa kwa siku saba
Muhimu zaidi: hatuwezi kutoa sio bidhaa tu, lakini huduma ya suluhisho la teknolojia!
Jina la bidhaa: chuma cha hafnium
Fomula ya molekuli: Hf
Nambari ya CAS: 7440-58-6
Usafi: 99% -99.99%
| Kielezo | Hf |
| Zr+Hf(Dakika%) | 99.9 |
| Kitengo | Upeo% |
| 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 |