产品等级 | 水处理级(液体) | 日化级(液体) | 水处理级(固体) | 日化级(固体) |
执行标准 | USP-34 | USP-34 | USP-34 | USP-34 |
可溶性 | 溶于水 | 溶于水 | 溶于水 | 溶于水 |
21.9-23.8% | 23-24% | 43.8-47.6% | 46-48% | |
氯化物(Cl) | 9.0-10.6% | 7.9-8.4% | 18.0-21.2% | 15.8-16.8% |
总盐基度% | 75-90 | 75-90 | 75-90 | 75-90 |
铝:氯(AL:CL) | 1.55:1-1.75:1 | 1.9:1-2.1:1 | 1.55:1-1.75:1 | 1.9:1-2.1:1 |
水不溶物 | ≤0.1% | ≤0.01% | ≤0.1% | ≤0.1% |
- | ≤250 ppm | - | ≤500 ppm | |
铁(Fe) | ≤75 ppm | ≤50 ppm | ≤150 ppm | ≤100 ppm |
铬(Cr+6) | ≤1.0 ppm | ≤1.0 ppm | ≤2.0 ppm | ≤2.0 ppm |
(As) | ≤1.0 ppm | ≤1.0 ppm | ≤2.0 ppm | ≤2.0 ppm |
重金属(Pb计) | ≤5.0 ppm | ≤5.0 ppm | ≤10.0 ppm | ≤10.0 ppm |
(Ni) | ≤1.0 ppm | ≤1.0 ppm | ≤2.0 ppm | ≤2.0 ppm |
镉(Cd) | ≤1.0 ppm | ≤1.0 ppm | ≤2.0 ppm | ≤2.0 ppm |
汞(Hg) | ≤0.1 ppm | ≤0.1 ppm | ≤0.1 ppm | ≤0.1 ppm |
PH值(15%水溶液25℃) | 3.0-5.0 | 4.0-4.4 | 3.0-5.0 | 4.0-4.4 |
透过率 | >90% | >90% | 白度>85 | 白度>85% |
目数 | - | - | - | 200目通100% 325目通99% |