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Ammonium paratungstate
Product name: Ammonium paratungstate
Alias: Ammonium tungstate; Ammonium wolframate; APT; dioxido(dioxo)tungsten; diammonium dioxido(dioxo)tungsten
English name: Ammonium paratungstate
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

0.0020

0.0050

Si

0.0020

0.0060

Mo

0.010

0.030

Ca

0.0010

0.0010

Al

0.0010

0.0010

Mg

0.0010

0.0010

 
Uses: The product can be used in producing various petrochemical catalysts.
Packing, storage and transportation: The product is packed by 50KG iron drum.
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