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  | AMT-1  | AMT-2  | 
WO3 content (%)  | ≥88  | ≥84  | 
Solubility(25℃)  | 300gAMT/100ml water  | |
Water insoluble matter(%)  | ≤0.1  | ≤0.5  | 
Fe  | 0.002  | 0.005  | 
Si  | 0.002  | 0.006  | 
Mo  | 0.01  | 0.03  | 
Ca  | 0.001  | 0.001  | 
Al  | 0.001  | 0.001  | 
Mg  | 0.001  | 0.001  | 
Uses:  | The product can be used in producing various petrochemical catalysts.  | |
Packing, storage and transportation:  | The product is packed by 50KG iron drum.  | |