Items | Standard |
Sodium Trimetaphosphate as (NaPO3)3 | ≥99% |
Sodium Trimetaphosphate as P2O5 | ≥69% |
PH (10g/L water solution) | 6.0~9.0 |
Heavy Metal (As Pb) | ≤0.001% |
Arsenic | ≤0.0003% |
Fluoride | ≤0.001% |
Water Insoluble | ≤0.05% |
Lead | ≤0.0002% |
Zinc | ≤0.001% |
Fe2O3 | ≤0.002% |
Particle Size (Passing through 80 mesh) | ≥97% |