| Technical |
| CHEMICAL FORMULA | CuSO4 5H2O |
| DESCRIPTION | A bright blue triclinic crystal. |
| CHEMICAL ANALYSIS |
| Parameters | Our Standard |
| 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 |
