Model: | - |
---|---|
Brand: | Sun Colour |
Origin: | Made In China |
Category: | Chemicals / Other Chemicals |
Label: | Sodium tungstate , Na2WO4.2H2O , 13472-45-2 |
Price: |
-
|
Min. Order: | - |
Last Online:10 Dec, 2019 |
Index name |
Index%
|
Top grade
|
Industrial products |
WO3 |
≥69.0 |
≥69.0 |
≥68.0 |
Mo |
≤0.002 |
≤0.02 |
≤0.04 |
As |
≤0.001 |
≤0.002 |
|
Cu |
≤0.0002 |
|
|
Fe |
≤0.001 |
≤0.002 |
|
SO4 |
|
≤0.02 |
0.01 |
Si |
≤0.004 |
|
≤0.04 |
Water insolubles |
≤0.005 |
≤0.01 |
|
PH |
8-9 |
8-9 |
|
Heavy metals (Pb) |
≤0.001 |
≤0.002 |
|
Cl |
|
≤0.03 |
|
Uses: It is the intermediates product of Tungsten material; Can also be used in mordant, catalysts, pigments and analytical reagent, used as a weighting agent of fabric in the textile industry, used in the manufacturing of flame-retarding, waterproof fabric.
Packing: 25kg Cardboard barrel or plastic woven bag .
Specifications: | Na2WO4.2H2O Item% Top Grade Good Grade Normal Grade WO3 ≥69.0 ≥69.0 ≥68.0 Mo ≤0.02 ≤0.02 ≤0.04 As ≤0.001 ≤0.002 Cu ≤0.0002 Fe ≤0.001 ≤0.002 SO4 ≤0.02 0.01 Si ≤0.004 ≤0.04 Insoluble ≤0.005 ≤0.01 PH 8.5-9 8.5-9 Metal(Pb) ≤0.001 ≤0.002 Cl ≤0.03 |
---|---|
Advantages: | Na2WO4.2H2O Item% Top Grade Good Grade Normal Grade WO3 ≥69.0 ≥69.0 ≥68.0 Mo ≤0.02 ≤0.02 ≤0.04 As ≤0.001 ≤0.002 Cu ≤0.0002 Fe ≤0.001 ≤0.002 SO4 ≤0.02 0.01 Si ≤0.004 ≤0.04 Insoluble ≤0.005 ≤0.01 PH 8.5-9 8.5-9 Metal(Pb) ≤0.001 ≤0.002 Cl ≤0.03 |