2) Ka taea te hainatia te whakaaetanga muna
3) E whitu nga ra whakahoki taurangi
He mea nui ake: ka taea e maatau te whakarato i nga hua anake, engari he ratonga otinga hangarau!
Ingoa hua:Tantalumpaura whakarewa
Maamaa: 99%-99.95%
No Cas: 7440-25-7
Rahi matūriki: 325 mesh, 100 mesh, etc
| Kōeke | Ta 2N | Ta 3N | Ta 3N5 |
| Pure(%min) | 99 | 99.9 | 99.95 |
| C(ppm teitei) | 200 | 150 | 50 |
| H(ppm mōrahi) | 100 | 50 | 30 |
| N(ppm mōrahi) | 150 | 100 | 50 |
| Al(ppm mōrahi) | 30 | 20 | 5 |
| Cr(ppm teitei) | 100 | 50 | 20 |
| Fe(ppm teitei) | 100 | 50 | 30 |
| Mn(ppm teitei) | 20 | 10 | 5 |
| Mo(ppm teitei) | 50 | 30 | 5 |
| Nb(ppm max | 200 | 100 | 20 |
| Ni(ppm teitei) | 100 | 50 | 20 |
| Si(ppm teitei) | 200 | 100 | 20 |
| Ti(ppm max | 20 | 10 | 5 |
| W(ppm mōrahi) | 50 | 30 | 20 |
| Te rahi o te matūriki | -100 mata | -100 mata | -100 mata |






