Blue Tungsten Oxide Composition
Chemical Formula: WO2.8-2.9
Appearance: Dark blue powder
Purity: 99.95%min
Density: 2.4 ~ 2.8g/ cm3
Blue tungsten oxide chemical composition:
| Purity （%） | 99.95 | |
| Impurities Max.（%） |
AI | 0.0005 |
| As | 0.0010 | |
| Bi | 0.0001 | |
| Ca | 0.0010 | |
| Co | 0.0010 | |
| Cr | 0.0010 | |
| Cu | 0.0003 | |
| Fe | 0.0010 | |
| K | 0.0010 | |
| Mg | 0.0007 | |
| Mn | 0.00010 | |
| Mo | 0.0020 | |
| Na | 0.0010 | |
| Ni | 0.0007 | |
| P | 0.0007 | |
| Pb | 0.0001 | |
| S | 0.0007 | |
| Sb | 0.0005 | |
| Si | 0.0010 | |
| Sn | 0.0002 | |
| Ti | 0.0010 | |
| V | 0.0010 | |
Related Products:
Ammonium paratungstate (APT) is white crystalline powder, insoluble in water.
Ammonium metatungstate is white powder, soluble in water, solubility is 300g WO3/100ml H2O (in 25℃).
Sodium tungstate is an intermediate tungstate produced from tungsten concentrate, is the raw material for APT.