Product description
MAGNESIUM SULFATE HEPTAHYDRATE FORMULA: MGSO4. 7H2O MGSO4: 48%MIN MAGNESIUM SULFATE: 98.5%MIN CHLORIDE: 0.15%MAX IRON: TYP 0.001% IGNITION LOSS: 51.9% MAX CALCIUM: 0.05%MAX SELENIUM: 0.0001%MAX WATER INSOLUBLE RESIDUE(10% AQ SOLN): 0.01%MAX ZINC: 0.001%MAX FREE ACID AS H2SO4: 0.01%MAX HEAVY METALS AS PB: 0.001%MAX ARSENIC: 0.0003MAX MANGANESE: TYP 0.0001%