Shenyang Huachang Antimony Chemical Co., Ltd.

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Ammonium Paratungstate

Product Details:

Purity	WO3 :APT-0,APT-1,APT-2
CAS No.	11120-25-5
Place of Origin	Hunan, China (Mainland)
Brand Name	Five Star

Payment & Shipping Terms:

Minimum Order Quantity:	5 Metric Ton
Packaging Details:	Packed in 100Kg or 200Kg/Iron Drum with inner plastic bag.
Delivery Time:	15-25 days after receipt of advance payment or L/C original.
Payment Terms:	L/C,T/T
Supply Ability:	12,000 Metric Ton per Year

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Detailed Product Description

Ammonium Paratungstate

Property:
Ammonium Paratungstate is one kind of tungstate. It is customarily entitled APT. English Name: Ammonium Paratungstate. Molecular Formula: 5NH₄₂OWO₃5H₂O.
Ammonium Paratungstate is white crystal and slightly soluble in water. It is stable in the air under normal temperature but starting to decompose into WO3 at 25^oC.

Application
Ammonium Paratungstate is the intermediate product of tungsten industry and the main raw material for tungsten oxide production. When calcination temperature is 700-800, we can get tungsten oxide.

Specification:

Item			APT-0	APT-1	APT-2
Chemical Composition %	WO₃% (Min)		88.5	88.5	88.5
	Impurity %≤	Al	0.0005	0.001	0.001
		As	0.001	0.001	0.002
		Bi	0.0001	0.0001	0.0002
		Ca	0.001	0.001	0.001
		Co	0.001	0.001	0.001
		Cr	0.001	0.001	0.001
		Cu	0.0003	0.0005	0.001
		Fe	0.001	0.001	0.002
		K	0.001	0.0015	0.002
		Mn	0.001	0.001	0.001
		Mg	0.0007	0.001	0.002
		Mo	0.002	0.005	0.01
		Na	0.001	0.0015	0.002
		Ni	0.0007	0.001	0.001
		P	0.0007	0.001	0.002
		Pb	0.0001	0.0001	0.0002
		S	0.0007	0.001	0.001
		Sb	0.0008	0.001	0.002
		Si	0.001	0.001	0.003
		Sn	0.0001	0.0003	0.0005
		Ti	0.001	0.001	0.001
		V	0.001	0.001	0.001