Technical
| Property | Specification |
|---|---|
| Chemical Formula | CuSO₄·5H₂O |
| Description | A bright blue triclinic crystal. |
| Chemical Analysis | |
| Assay as CuSO₄·5H₂O (% m/m) | 98.2% m/m min. |
| Total Copper content as ‘Cu’ (% m/m) | 25.0% m/m min. |
| Matter insoluble in water (% m/m) | 0.1% m/m max. |
| pH of 5% solution | Not less than 3.0 |
| Iron as ‘Fe’ (ppm) | 1000 ppm max. |
| Lead as ‘Pb’ (ppm) | 50 ppm max. |
| Arsenic as ‘As’ (ppm) | 10 ppm max. |
| Cadmium as ‘Cd’ (ppm) | 10 ppm max. |
| Chloride as ‘Cl’ (ppm) | 300 ppm max. |
GRADES BASED ON CRYSTAL SIZE:
- Grade – I : Big crystals Bigger than 6 mm crystal less than 25 mm
- Grade – II : Granular 2 mm to 4 mm crystals
- Grade – III: Sugar fine crystalline powder Less than 2 mm crystalline powder
USES
- Agriculture: Used for making of Bordeaux Mixture
- Industrial: Used in Electroplating and dyesdyes intermediate