Magnesium Oxide (Magnesia)

Purity: > 95.0%, Insoluble in Dilute HCl: < 0.02%, Soluble in H2O: < 0.4%, Loss on Ignition: < 2.0%, Ammonium Hydroxide Precipitate: < 0.02%, Chloride: < 0.01%, Nitrate: < 0.005%, Sulfate and Sulfite (as SO3): < 0.02%, Barium: < 0.005%, Calcium: < 0.05%, Heavy Metals (as Pb): < 0.003%, Iron: < 0.01%, Manganese: 0.0005%, Potassium: < 0.005%, Sodium: < 0.5%, Strontium: < 0.005%