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HUNAN ZHONGNAN ANTIMONY&TUNGSTEN TRADING CO.,LTD

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supply ammonium paratungstate CAS 11120-25-5 sell

supply ammonium paratungstate CAS 11120-25-5 sell

Payment Type: L/C,T/T,D/P
Incoterm: FOB,CFR,CIF
Delivery Time: 30 Days

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  • Basic Info
  • Product Description
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Basic Info

Model No.: APT-0

Type: Tungsten Powder

Free Flowing White Crystal Line Powder With No Any Other Cast Or Foreign Matter.: WO3>88.5%

White Crystalline, Flaky Or Acicular: Soluble In Water, Insoluble In Alcohol

Additional Info

Packaging: In iron drums with inner plastic bags of 200kg or 100kg net each.

Productivity: 3000 tons annually

Brand: CHENZHOU

Transportation: Ocean

Place of Origin: HUNAN

Certificate: Reach Registration,ISO9001

HS Code: 2841801000

Port: HUANGPU,SHENZHEN

Product Description

According to the types of tungsten concentrates used and the impurities contained in them, the following processes can be used to produce secondary ammonium tungstate:1. High-pressure alkali boiling (caustic soda)- ion exchange - evaporation crystallization method of black tungsten concentrate;2. High-pressure alkali boiling (caustic soda)- solvent extraction - evaporation crystallization method for black tungsten concentrate;3. Scheelite concentrate soda boiling - ion exchange - evaporation crystallization method;4. Scheelite concentrate soda boiling solvent extraction evaporation crystallization method;5. Pressure boiling - ion exchange - evaporative crystallization method of scheelite concentrate with caustic soda and fluorine salt;6. Pressure boiling, solvent extraction and evaporative crystallization of scheite concentrate with caustic soda and fluorine salt;7. Hydrochloric decomposition - ammonia dissolution - evaporation crystallization method of scheelite concentrate;



SPECIFICATIONS:

Impurity Content
Grade APT-0
WO3 Min (%) 88.5
Chemical
Composition

impurity
Content
Max (%)
AI 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


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