Specifications:
Mol. Formula |
FeSO4. 7H2O |
Mol. weight |
278.02 |
CASR No. |
7782-63-0 |
Appearance |
Greenish-blue crystalline powder |
Test solution (10% w/v solution in dist. water+ 1ml H2SO4) |
The solution shall be clear and pale greenish-blue |
Assay |
99.0 - 102.0% |
pH (5% w/v solution in dist. water) |
3.0 - 4.0 |
Maximum limits of impurities |
|
Insoluble matter |
0.01% |
Chloride, as Cl |
0.001% |
Phosphate, as PO4 |
0.001% |
Copper, as Cu |
0.005% |
Ferric, as Fe+3 |
0.1% |
Manganese, as Mn |
0.05% |
Substances not precipitated by ammonium hydroxide |
0.05% |
Zinc, as Zn |
0.005% |
Q: What is the purity of Ferrous Sulfate heptahydrate LR?
A: The purity of Ferrous Sulfate heptahydrate LR is 99%.
Q: What is the appearance of Ferrous Sulfate heptahydrate LR?
A: Ferrous Sulfate heptahydrate LR appears as bluish green crystals or greenish-blue crystalline powder.
Q: How should Ferrous Sulfate heptahydrate LR be stored?
A: Ferrous Sulfate heptahydrate LR should be stored at room temperature.
Q: What is the shelf life of Ferrous Sulfate heptahydrate LR?
A: The shelf life of Ferrous Sulfate heptahydrate LR is 24 months.
Q: What is the molecular formula of Ferrous Sulfate heptahydrate LR?
A: The molecular formula of Ferrous Sulfate heptahydrate LR is FeSO4.7H2O.
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