CASR |
: | 10034-96-5 |
Molecular Formula |
: | MnSO4.H2O |
Molecular Weight |
: | 169.02 |
Specifications | |
---|---|
Appearance: | Pink or almost white solid. |
Solubility: | Freely soluble, practically insoluble in ethanol (96%) |
Assay (Complexometric): | 98.0% - 102.0% (MnSO4.H2O) |
Assay: | 99.0% - 101.0% (Complexometric, calc. on the ignited basis) |
Identification (Sulfate): | A white precipitate should form |
Identification by Chemical test: | A pale pink precipitate is formed which dissolves on the addition of 1 mL of anhydrous acetic acid |
Appearance of solution: | Solution S is not more opalescent than standard solution |
Chloride (Cl): | NMT 0.005% |
Heavy metals (as Pb): | NMT 0.002% |
Arsenic (As): | NMT 0.0003% |
Calcium (Ca): | NMT 0.01% |
Cobalt (Co): | NMT 0.0005% |
Iron (Fe): | NMT 0.001% |
Nickel (Ni): | NMT 0.0015% |
Lead (Pb): | NMT 0.0004% |
Selenium (Se): | NMT 0.003% |
Zinc (Zn): | NMT 0.005% |
Substances not precipitated by ammonium sulfide (as SO4): | NMT 0.5% |
Loss on ignition, 500°C: | NMT 10.5% - 12.0% |