| |
Molecular formula:Na2WO4.2H2O
Properties: white crystal
Specification:
| Chemical ingredients |
AR |
First grade |
Second grade |
| Na2WO4.2H2O |
99 |
98 |
97 |
| Mo |
0.001 |
0.02 |
-- |
| AS |
0.001 |
0.001 |
0.001 |
| Cu |
0.0005 |
0.001 |
0.001 |
| Fe |
0.001 |
0.001 |
0.005 |
| Si |
0.004 |
0.04 |
0.04 |
| Water insoluble matter |
0.005 |
0.05 |
0.05 |
| PH |
8.5-9 |
8.5-9 |
8.5-9 |
Uses: intermediate of tungsten, used in mordant, catalystic pigment, reagent, weight additive, water treatment agent, fitre fight material, phosphato tungstated and boron tungstated
Packing:Net 25kg,metal pail and woven bag , plastic bag lined composite kraft paper bag or 50kg in plastic bag lined metal pail . |
