Information
Specification category:
Product No. | Product name | specifications |
1.01768.010 | Tripotassium phosphate trihydrate | AR500g |
1.01768.030 | Tripotassium phosphate trihydrate | CP500g |
Characteristic:
Appearance and properties: Colorless,odorless solid.
pH value: 12(10g/L H2O,20℃)
Bulk density(kg/m3): 900
Density(g/cm3): 3.12(20℃)
Thermal decomposition temperature(℃): >70
Solubility: Soluble in water(1650 g/L,20℃).
Technical indicators:
Item | AR | CP |
Assay | ≥98.0% | ≥97.0% |
Clarity of solution | Pass | Pass |
Free alkali(as KOH) | ≤1.0% | ≤3.0% |
Di-Potassium hydrogen phosphate(as KH2PO4·3H2O) | ≤1.0% | ≤1.0% |
Chloride(Cl) | ≤0.003% | ≤0.01% |
Sulfate(SO4) | ≤0.01% | ≤0.02% |
Total nitrogen(N) | ≤0.001% | ≤0.002% |
Carbonate(CO3 | Pass | Pass |
Sodium(Na) | ≤0.02% | ≤0.05% |
Iron(Fe) | ≤0.002% | ≤0.004% |
Arsenic(As) | ≤0.0001% | ≤0.0003% |
Heavy metals(as Pb) | ≤0.001% | ≤0.002% |