Payment Type: | L/C,T/T,D/P |
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Incoterm: | FOB,CFR,CIF |
Delivery Time: | 30-35 Days |
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;
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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