BARIUM CARBONATE IS FROM THE SECOND BARIUM SALT BASE IN THE WORLD WITH GOOD QUALITY AND BEST PRICE. ItemSpecificationMain content99.8%Chloride0.005% maxHCL insoluble0.01% maxStrontium0.05% maxSodium0.01% maxCalcium0.03% maxMagnesium Carbonate0.005% maxResidual after burming0.4% maxIron0.0005% maxMoisture(110°C )0.1% max BARIUM CARBONATE HIGH PURITY