barium carbonte low sulfur 0.025%: BaCO3:99%min SO4:0.025%max Fe:0.0015%max Barium Carbonte low sulfur: Property: ... :99% minMoisture: 0.1% maxHCl insoluble:0.05%maxSO4: 0.025%maxFe:0.0015%maxChloride:0.0005%maxSize:850μm 15 ... , ceramics, coatings and electrode materials. barium carbonate low sulfur 0.025%