| Assay: | 98.0-102.0% (CH3CO2)2Mg · 4H2O |
| MAXIMUM ALLOWABLE | |
| Insoluble matter: | 0.005% |
| Chloride (Cl): | 0.001% |
| Sulfate (SO4): | 0.005% |
| Barium (Ba): | 0.001% |
| Calcium (Ca): | 0.01% |
| Manganese (Mn): | 0.001% |
| Potassium (K): | 0.005% |
| Sodium (Na): | 0.005% |
| Strontium (Sr): | 0.005% |
| Heavy metals (as Pb): | 5 ppm |
| Iron (Fe): | 5 ppm |