Magnesiumsulfaat CAS 7487-88-9 specificatie:
| Item | Index | |
| MgSO4% ≥ | 99.0 | |
| Zwaar metaal (mg/kg) ≤ | 10 | |
| PB (mg/kg) ≤ | 2 | |
| SE (mg/kg) ≤ | 30 | |
| PH (50 g/l-oplossing) | 5.5-7.5 | |
| CL % ≤ | 0.03 | |
| Als (mg/kg) ≤ | 3 | |
| FE (mg/kg) ≤ | 20 | |
|
Ontstekingsverlies
|
MgSO4 ≤ | 2 |
| MgSO4.H2O | 13.0-16.0 | |
| MgSO4.3H2O | 29.0-33.0 | |
| MgSO4.7H2O | 40.0-52.0 | |
| MgSO4.nH2O | 22.0-32.0 | |