Product name: | Ammonium paratungstate | |
Alias: | Ammonium tungstate; Ammonium wolframate; APT; dioxido(dioxo)tungsten; diammonium dioxido(dioxo)tungsten | |
CAS no.: | 11120-25-5;14311-52-5 | |
Molecular formula: | 3(NH4)2O-7WO3-6H2O | |
Molecular weight: | 3060.46 | |
Structural formula: | ||
Grade | APT-1 | APT-2 |
Main content O3(%) | ≥88.5 | ≥88.5 |
Al | 0.0005 | 0.001 |
AS | 0.001 | 0.002 |
Bi | 0.0001 | 0.0001 |
Ca | 0.001 | 0.002 |
Cd | 0.0001 | 0.0001 |
Co | 0.001 | 0.002 |
Cr | 0.001 | 0.002 |
Cu | 0.0005 | 0.0008 |
Fe | 0.001 | 0.003 |
Mg | 0.0005 | 0.001 |
Mn | 0.0005 | 0.001 |
Mo | 0.003* | 0.01* |
Na+K | 0.002 | 0.004 |
Ni | 0.0007 | 0.001 |
P | 0.0007 | 0.002 |
Pb | 0.0001 | 0.0001 |
S | 0.0007 | 0.002 |
Si | 0.001 | 0.003 |
Sb | 0.0005 | 0.001 |
Sn | 0.0001 | 0.0001 |
Ti | 0.001 | 0.001 |
V | 0.001 | 0.001 |
Grade | APT-1 | APT-2 |
Physical specification | ||
Ignition loss | <11.50% | <11.50% |
Loose specific weight | 1.8-2.3g/cm3 | 1.8-2.3g/cm3 |
Average particle size | 25-50u | 25-50u |
Sieve size | -40 mesh (100%) | -40 mesh (100%) |
Uses: | The product can be used in producing tungsten trioxide, blue tungsten oxide, tungsten powder, tungsten rod, tungsten wire, and hard alloy, etc. | |
Packing, storage and transportation: | The product is packed by 50KG iron drum. |