Ammonium Paratungstate
Property
Ammonium Paratungstate is one kind of tungstate. It is customarily entitled APT. English Name: Ammonium Paratungstate. Molecular Formula: 5（NH4）2OWO35H2O.
Ammonium Paratungstate is the white crystal and slightly soluble in water. It is stable in the air under normal temperature but starting to decompose into WO3 at 25oC.
Product Specification:
Ammonium Paratungstate APT-0
Al:0.0005%,As:0.001%,Bi:0.0001%,Ca:0.001%,Co:0.001%,Cr:0.001%,
Cu:0.0003%,Fe:0.001%,K:0.001%,Mn:0.001%,Mg:0.0007%,Mo:0.002%,
Na:0.001%,Ni:0.0007%,P:0.0007%,Pb:0.0001%,S:0.0007%,
Sb:0.0008%,Si:0.001%,Sn:0.0001%,Ti:0.001%,V:0.001%.
Ammonium Paratungstate APT-1
Al:0.001%,As:0.001%,Bi:0.0001%,Ca:0.001%,Co:0.001%,Cr:0.001%,Cu:0.0005%,Fe:0.001%,
K:0.0015%,Mn:0.001%,Mg:0.001%,Mo:0.005%,Na:0.0015%,Ni:0.001%,P:0.001%,Pb:0.0001%,
S:0.001%,Sb:0.001%,Si:0.001%,Sn:0.0003%,Ti:0.001%,V:0.001%.
Ammonium Paratungstate APT-2
Al:0.001%,As:0.002%,Bi:0.0002%,Ca:0.001%,Co:0.001%,Cr:0.001%,Cu:0.001%,Fe:0.002%,
K:0.002%,Mn:0.001%,Mg:0.002%,Mo:0.01%,Na:0.002%,Ni:0.001%,P:0.002%,Pb:0.0002%,
S:0.001%,Sb:0.002%,Si:0.003%,Sn:0.0005%,Ti:0.001%,V:0.001%.

Packing:
Packed in 100Kg or 200Kg/Iron Drum with inner plastic bag.
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