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Contact SupplierTest Item | Specification |
Content (Na2H2P2O7) % | ≥95.0 |
Phosphorus pentoxide(P2O5) | 63.0-64.0 |
PH value | 3.7—4.5 |
Water-insoluble % | ≤1.0 |
Fluoride (F) % | ≤10ppm |
Heavy metal (Pb) % | ≤10ppm |
Arsenic (As) % | ≤1ppm |
Pb | ≤1ppm |
Hg | ≤1ppm |
Cd | ≤1ppm |
Loss on burning(105℃)% ≤ | ≤0.5 |
ROR | 28 |