分子式:Al2(SO4)3·XH2O
主要用途:用纸张制造、特殊要求的水处理、生产钛白粉及用作填料等
项目名称 | 合格品 | -级品 | 优级品 |
Al2O3 | ≥15.80% | ≥16.00% | ≥17.00% |
Fe | ≤0.005% | ≤0.005% | ≤0.004% |
PH | ≥3.0 | ≥3.0 | ≥3.0 |
水不溶物 | ≤0.1% | ≤0.1% | ≤0.1% |
砷(As) | ≤0.0005% | ≤0.0005% | ≤0.0005% |
重金属(Pb) | ≤0.002% | ≤0.002% | ≤0.002% |
镉 | ≤0.001% | ≤0.001% | ≤0.001% |
锰 | ≤0.005% | ≤0.005% | ≤0.005% |