A、三氧化硫(質(zhì)量分數(shù))≤1.0% B、離子(質(zhì)量分數(shù))≤0.06 C、燒失量(質(zhì)量分數(shù))≤5.0%
A.≥500m2/kg B.≥400m2/kg C.≥350m2/kg D.≥300m2/kg
A.≥2.8g/cm3 B.≥3.0g/cm3 C.≥2.9g/cm3 D.≥2.7g/cm3