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Ammonium paratungstate CAS:11120-25-5 Product Introduction
CAS number: 11120-25-5
Molecular formula: H4NO42W12(-9)
Molecular weight: 2896.08
EINECS Number: 234-364-9
Characteristic：
White crystals. Soluble in water; insoluble in alcohol.
Useful：
1.Ammonium tungsten oxide hydrate is used in production of tungsten alloys. It is used, refluxing the ammonia solution is advisable to speed up the dissolution of the oxide.
2.manufacture of tungsten alloys.
Ammonium paratungstate Index
| WO3 | 88.64% | Mo | ＜0.0018% |
| Al | 0.0005% | Na | 0.0006% |
| As | 0.001% | Ni | ＜0.0005% |
| Bi | ＜0.0001% | P | 0.0005% |
| Ca | 0.0009% | Pb | ＜0.0001% |
| Co | ＜0.0005% | S | 0.0008% |
| Cr | ＜0.0005% | Sb | ＜0.0005% |
| Cu | ＜0.0003% | Si | ＜0.001% |
| Fe | 0.0009% | Ti | ＜0.001% |
| K | ＜0.0005% | V | ＜0.001% |
| Mn | ＜0.0005% | ||
| Mg | ＜0.0005% |
Packing: 25kg cardboard drum or plastic woven bag.
storage and transportation: Dry at room temperature, avoid direct sunlight
Related Products——Molybdenum Products
| Product | CAS |
| Barium molybdate | 7787-37-3 |
| diammonium tridecaoxotetramolybdate(2-) | 12207-64-6 |
| Hexaammonium molybdate | 12027-67-7 |
| Ammonium molybdate tetrahydrate | 12054-85-2 |
| Sodium molybdat | 7631-95-0 |
| Tungstic acid | 7783-03-1 |
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