|
Ferrous Sulphate Heptahydrate BP |
| Code Number » |
- - - X - - - |
| Synonym » |
Iron (II) Sulfate |
| CAS No. » |
7720-78-7 |
| Molecular Formula » |
FeSO4,7H2O |
| Molecular Weight » |
278.0 |
| Description » |
Light green, crystalline powder or bluish-green crystals, efflorescent in air. |
| Specifications
» |
|
Solubility |
Freely soluble in water, very soluble in boiling water, practically insoluble in alcohol. |
|
Identification A |
It gives the reaction of sulphates |
|
Identification B |
It gives reaction (a) of iron |
|
Identification C |
It complies with the limits of the assay |
|
pH |
3.0 to 4.0. |
|
Chlorides |
Maximum 300 ppm. |
|
Ferric ions |
Maximum 0.5 per cent. |
|
Manganese |
Maximum 0.1 per cent. |
|
Zinc |
Maximum 500 ppm. |
|
Heavy metals |
Maximum 50 ppm. |
|
Fe Content |
98.0 per cent to 105.0 per cent. |
|
| Packing » |
- - - X - - - |
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