Complaint
| Magnesium Sulphate Fertilizer Specification | ||||||
| Grade | Magnesium Sulphate Heptahydrate (Epsom Salt/MgSO4.7H2O) | Magnesium Sulphate Monohydrate (Kieserite/MgSO4.H2O) | ||||
| A | B | C | A | B | C | |
| Specification | Purity | Total MgO | ||||
| 99.5%min | 99%min | 98%min | 25%-27%min | 25%-27%min | 25%-27%min | |
| MgO | W.MgO | |||||
| 16%min | 16%min | 16%min | 20%min | 23%min | 25%min | |
| S | S | |||||
| 12%min | 12%min | 12%min | 16%min | 18%min | 20%min | |
| Mg | PH | |||||
| 9.7%min | 9.6%min | 9.5%min | 5-10 | 5-10 | 5-10 | |
| Cl | Cd | |||||
| 0.30% max | 0.007% max | 0.01% max | 2ppm | |||
| Pb | Pb | |||||
| 0.0005% max | 0.0005% max | 0.001% max | 5ppm | |||
| As | As | |||||
| 0.0005% max | 0.0002% max | 0.0002% max | 2ppm | |||
| Appearance | White little crystal 0.1-1mm or 1-3mm,2-4mm or granular 2-5mm | Powder and Granular 2-4mm | ||||
