杂质
≤0.001% heavy metals (as Pb)≤0.2% free alkali (as CaO)
痕量阴离子
chloride (Cl-): ≤200?mg/kgsulfate (SO42-): ≤200?mg/kg
Sigma-Aldrich西格玛奥德里奇(上海)贸易有限公司
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