Ferric Sulfate
Specifications
Yam khoom | Txuj |
Qhov tshwm sim | Cov hmoov daj |
Fe3+ | ≥21.5% |
Txo cov teeb meem (raws li Fe2+) | ≤0.1% |
Dawb acid (raws li H2SO4) | ≤0.5% |
Insoluble khoom | ≤ 0.3% |
Pb | ≤8ppm |
As | ≤ 2 ppm |
Hg | ≤ 0.1ppm |
Cr | ≤ 5ppm |
Cd | ≤ 2 ppm |
Sau koj cov lus ntawm no thiab xa tuaj rau peb