|
Ammonium Ferrous Sulfate 6 Hydrate AR
| Mol. Formula |
(NH4)2Fe(SO4)2.6H2O |
| Mol. weight |
392.14 |
| CASR No. |
7783-85-9 |
| Appearance |
Pale greenish crystalline powder |
| Test solution (10%w/v solution in dist. water+ 1ml H2SO4) |
The solution shall be clear and pale greenish |
| Assay |
99 - 101% |
| pH (5%w/v solution in dist. water) |
NLT 3.50 |
Maximum limits of impurities
|
| Chloride, as Cl |
0.001% |
| Copper, as Cu |
0.002% |
| Calcium, as Ca |
0.01% |
| Ferric, as Fe+3 |
0.02% |
| Substances insoluble in water |
0.003% |
| Heavy Metals, as Pb |
0.002% |
| Manganese, as Mn |
0.05% |
| Potassium, as K |
0.02% |
| Sodium, as Na |
0.02% |
| Zinc, as Zn |
0.006% |
|
