Tetrapotassium Pyrophosphate（TKPP）
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 |