Information
Specification category:
Product No. | Product name | specifications |
1.01767.010 | Potassium pyrophosphate trihydrate | AR500g |
1.01767.020 | Potassium pyrophosphate trihydrate | AR25kg |
Characteristic:
Appearance and properties: Colorless crystal or particle.
Relative density: 2.33(water=1)(25℃)
Melting point(℃): 1109
Concentration: Pure
Solubility: Soluble in water,insoluble in ethanol.
Technical indicators:
Item | AR | CP |
Assay(K4P2O7·3H2O) | ≥99.0% | ≥98.0% |
Insoluble matter in water | ≤0.01% | ≤0.01% |
Chloride(Cl) | ≤0.002% | ≤0.003% |
Sulfate(SO4) | ≤0.002% | ≤0.002% |
Iron(Fe) | ≤0.002% | ≤0.003% |
Arsenic(As) | ≤0.0005% | ≤0.0005% |
Heavy metals(as Pb) | ≤0.001% | ≤0.004% |