指標項 |
CD325 |
CD600 |
CD800 |
CD1250 |
CD3000 |
硫酸鋇含量% BaSO4content % |
≥98.0 |
≥98.0 |
≥98.0 |
≥98.0 |
≥98.0 |
45μm孔篩余物% Mesh residue(45μm) % |
≤0.50 |
≤0.20 |
≤0.08 |
≤0.06 |
≤0.05 |
鐵含量% Fe content % |
≤0.004 |
≤0.004 |
≤0.004 |
≤0.004 |
≤0.004 |
白度 Whiteness % |
≥92.0 |
≥94.0 |
≥95.0 |
≥95.0 |
≥96.0 |
水溶物% Water soluble % |
≤0.30 |
≤0.30 |
≤0.30 |
≤0.30 |
≤0.30 |
105℃揮發(fā)份g/100g Volatile at 105℃% |
≤0.30 |
≤0.30 |
≤0.30 |
≤0.30 |
≤0.30 |
水懸浮液PH值 PH value of aqueous suspension |
6.0-9.0 |
6.0-9.0 |
6.0-9.0 |
6.0-9.0 |
6.0-9.0 |
吸油量g/100g Oil absorption g/100g |
10~25 |
10~25 |
10~25 |
10~25 |
10~25 |
燒失量% Loss on ignition % |
≤2.5 |
≤2.5 |
≤2.5 |
≤2.5 |
≤2.5 |