Chemistry
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Sodium polyphosphate
Molecular formula: (NaPO3)n
Appearance: white powder
Purity (P2O5) ≥ | 56.0-60.0% |
Clarifying test | measure up |
water insoluble substances % ≤ | 0.05 |
Chlorid(Cl) % ≤ | 0.01 |
Surfate(SO4) % ≤ | 0.1 |
Phosphate(PO4) | measure up |
Fe % ≤ | 0.05 |
As % ≤ | 0.002 |
Heavy metal(Pb) % ≤ | 0.01 |