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| Tantalum | |
| Liquescens punctum | 3017°F, 5463°F, 3290 K . |
| Ferveret | 5455°C, 9851°F, 5728 K . |
| Densitas (g cm-3) | 16.4 |
| Relativum nuclei massae | 180.948 |
| Clavis isotopes | 180Ta, 181Ta |
| AS numerus | 7440-25-7 |
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Tantalum (V) oxydatum (Ta2O5 vel tantalum pentoxide) puritatis 99.99% Cas 1314-61-0
Tantalum (V) oxide (Ta2O5 or tantalum pentoxide)est album, solidum, solidum.Pulvis producitur praecipitando tantalum continentem solutionem acidum, praecipitem percolando, et placentam colum fodiendo.Saepe molitum est ad desiderabilem particulam magnitudinis ad varias applicationes requisita.
