| ITEM | SPECIFICATIONS | TEST RESULTS | ||||||
| Appearance | Dark Gray Powder | Dark Gray Powder | ||||||
| Assay | 99.9%Min | 99.9% | ||||||
| Particle Size | 40nm,70nm,100nm,200nm | |||||||
| Impurities(%,Max) | ||||||||
| Nb | 0.005 | 0.002 | ||||||
| C | 0.008 | 0.005 | ||||||
| H | 0.005 | 0.005 | ||||||
| Fe | 0.005 | 0.002 | ||||||
| Ni | 0.003 | 0.001 | ||||||
| Cr | 0.003 | 0.0015 | ||||||
| Si | 0.005 | 0.002 | ||||||
| W | 0.003 | 0.003 | ||||||
| Mo | 0.002 | 0.001 | ||||||
| Ti | 0.001 | 0.001 | ||||||
| Mn | 0.001 | 0.001 | ||||||
| P | 0.003 | 0.002 | ||||||
| Sn | 0.001 | 0.001 | ||||||
| Ca | 0.001 | 0.001 | ||||||
| Al | 0.001 | 0.001 | ||||||
| Mg | 0.001 | 0.001 | ||||||
| Cu | 0.001 | 0.001 | ||||||
| N | 0.015 | 0.005 | ||||||
| O | 0.2 | 0.13 | ||||||