Chemistry
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Sodium polyphosphate
Molecular formula: (NaPO3)n
Appearance: white powder
Content (P2O5 ) | 56.0-60.0% |
Clarity test | Pass |
Water insoluble substance % ≤ | 0.05 |
Sulfate(SO4) % ≤ | 0.1 |
Chloride(Cl) % ≤ | 0.01 |
Phosphate(PO4) | Pass |
Fe % ≤ | 0.05 |
As % ≤ | 0.002 |
Heavy metal (count by Pb) % ≤ | 0.01 |