项 目 | 指 标 | |
优等品 | 一等品 | |
碳酸锶SrCO3 | ≥99.5% | ≥99.3% |
碳酸钙Ca | ≤0.003% | ≤0.05% |
碳酸钡BaCO3 | ≤0.05% | ≤0.50% |
钠Na | ≤0.007% | ≤0.03% |
铁Fe | ≤0.001% | ≤0.001% |
氯化物Cl | ≤0.0005% | ≤0.08% |
镁Mg | ≤0.0008% | ≤0.0008% |
粒径μm | ≤1.0 | ≤2.0 |