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| Name | Niobium Oxide | Batch | 20170515 | 
|---|---|---|---|
| Exterior | White powder | granularity(D50) | 1.7 μm | 
| purity(Nb2O5) | 99.9% | Total amount(TREO) | |
| Test results (ppm) | |||
| Ta | 80 | Fe | 15 | 
| Al | 10 | Sb | 200 | 
| S | 30 | Mn | 10 | 
| As | 20 | Mo | 10 | 
| Ca | 20 | Na | 15 | 
| K | 15 | Ni | 10 | 
| Cr | 10 | Pb | 10 | 
| Zr | 20 | P | 50 | 
| Mg | 20 | Si | 20 | 
| Sn | 20 | C | 50 | 
| Ti | 10 | W | 10 | 
| Cu | 20 | Bi | 20 | 
| F | 500 | L.O.I | 0.27% |