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 |



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