- Plant Extract[32]
- Chemical Auxiliary Agent[2]
- Chemical Reagents[19]
- Flavour & Fragrance[7]
- Feed Additives[1]
- Food Additives[29]
- Chlorate[3]
- Other Inorganic Salts[26]
- Sulphate[2]
- Organic Intermediate[31]
- Other Chemicals[16]
- Pharmaceutical[56]
TOP-GRADE Ammonium paratungstate
Ammonium Paratungstate APT
Appearance:white crystalline powder
Purity:wo3 88.5%min
Fsss:35-46um
Scott Density: 1.8-2.6 g
Ammonium paratungstate | ||
Identification | ||
Name |
| Ammonium paratungstate |
Synonyms |
| Decaammonium tungstate; Ammonium tungstate |
Molecular Formula |
| (NH4)10.H2.(W2O7)6.H2O |
Molecular Weight |
| 3060.46 |
CAS Registry Number |
| 11120-25-5 |
EINECS |
| 234-364-9 |
|
|
|
Properties | ||
| ||
Density |
| 2.3 |
Melting point |
| >300 ºC |
Ammonium Paratungstate APT
Appearance:white crystalline powder
Purity:wo3 88.5%min
Fsss:35-46um
Scott Density: 1.8-2.6 g/cm3
Ammonium Paratungstate APT
Grade | APT-0 | APT-1 | |
WO3(%min) | 88.5 | 88.5 | |
Impurities | Al | 0.0005 | 0.0010 |
Fe | 0.0010 | 0.0010 | |
S | 0.0007 | 0.0010 | |
As | 0.0010 | 0.0010 | |
P | 0.0007 | 0.0010 | |
Mo | 0.0020 | 0.0050 | |
Ca | 0.0010 | 0.0010 | |
Mg | 0.0007 | 0.0010 | |
K | 0.0010 | 0.0015 | |
Na | 0.0010 | 0.0015 | |
Si | 0.0010 | 0.0010 | |
Cu | 0.0003 | 0.0005 | |
Mn | 0.0010 | 0.0010 | |
Ni | 0.0007 | 0.0010 | |
Pb | 0.0001 | 0.0001 | |
Bi | 0.0001 | 0.0001 | |
Sn | 0.0001 | 0.0003 | |
Sb | 0.0008 | 0.0010 | |
V | 0.0010 | 0.0010 | |
Ti | 0.0010 | 0.0010 | |
Cr | 0.0010 | 0.0010 | |
Co | 0.0010 | 0.0010 | |
