Items | Standard |
Appearance | White powder or granular |
Assay | ≥95.0% |
P2O5 | 42-43.7% |
Test for Potassium | Passes test |
Test for phosphate | Passes test |
Water insoluble matter | ≤0.2% |
Arsenic(As) | ≤0.0001% |
PH Value | 10.0-10.8 |
Lead | ≤0.0001% |
Fluoride | ≤0.001% |
Cadmium | ≤0.0001% |
Mercury | ≤0.0001% |
Loss on drying (105°C,hrs) | ≤2% |