|
Aluminium Ammonium Sulfate 12 Hydrate AR
| Mol. Formula |
AlNH4(SO4)2.12H2O |
| Mol. weight |
453.33 |
| CASR No. |
7784-26-1 |
| Appearance |
White crystalline powder |
| Test solution (10%w/v solution in dist. water) |
The solution shall be clear and colourless |
| Assay |
99.5% min. |
| pH (5%w/v solution in dist. water) |
NLT 3.0 |
Maximum limits of impurities
|
| Chloride, as Cl |
0.002% |
| Copper, as Cu |
0.0005% |
| Iron, as Fe |
0.0005% |
| Heavy Metals, as Pb |
0.0005% |
| Arsenic, as As |
0.00005% |
| Nitrate, as N03 |
0.001% |
| Phosphate, as PO4 |
0.0025% |
| Potassium, as K |
0.05% |
| Silica, as SiO2 |
0.002% |
| Sodium, as Na |
0.5% |
| Water insoluble matter |
0.005% |
|
