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Product Name: Tetrapotassium Pyrophosphate(TKPP)
CAS No.: 7320-34-5
Molecular Formula: K4P2O7
Application: Used in non-cyanogens plating and surface treatment Industry, Top grade detergent , Dye and Pigment industry, food industry and so on.
Specification
(1)Plating Grade
Items | Specifications |
Purity(K4P2O7) | ≥98.0% |
Loss on ignition | ≤1.0% |
Iron (Fe) | ≤0.005% |
Insoluble in water | ≤0.10% |
PH(1% water solution) | 10-11 |
Pb | ≤0.0005% |
(2) Technical Grade
Items | Specifications |
Purity(K4P2O7) | ≥96.0% |
Loss on ignition | ≤1.0% |
Iron (Fe) | ≤0.005% |
Insoluble in water | ≤0.10% |
PH(1% water solution) | 10-11 |
(3) Food Grade
Items | Specifications |
Purity(K4P2O7) | ≥98.0% |
Loss on ignition | ≤0.5% |
Iron(Fe) | ≤0.001% |
As | ≤0.0003% |
Pb | ≤0.001% |
Insoluble in water | ≤0.1% |
PH(1% water solution) | 10-11 |


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