Information
Specification category:
Product No. | Product name | specifications |
1.01863.020 | Potassium dihydrogen phosphate | AR500g |
1.01863.030 | Potassium dihydrogen phosphate | AR25kg |
1.01863.040 | Potassium dihydrogen phosphate | CP500g |
1.01863.050 | Potassium dihydrogen phosphate | CP25kg |
1.01863.060 | Potassium dihydrogen phosphate | CP25kg |
1.01863.080 | Potassium dihydrogen phosphate | AR25kg |
1.01863.120 | Potassium dihydrogen phosphate | AR25kg |
Characteristic:
Appearance and properties: Coloeless odorless solid.
pH value: 4.4(50g/L H2O,20℃)
Relative density: 2.34(water=1)(20℃)
Melting point(℃): 253(decomposition)
Concentration: Pure
Solubility: Dissolve easily in water,insoluble in ethanol.
Technical indicators:
Item | AR | CP |
Assay(KH2PO4) | ≥99.5% | ≥99.0% |
pH-value(50g/L solution,25℃) | 4.2~4.5 | 4.2~4.5 |
Clarity of solution | Pass2 | Pass4 |
Insoluble matter in water | ≤0.002% | ≤0.005% |
Loss on drying | ≤0.2% | ≤0.3% |
Chloride(Cl) | ≤0.001% | ≤0.005% |
Sulfate(SO4) | ≤0.003% | ≤0.005% |
Total nitrogen(N) | 0.001% | ≤0.002% |
Arsenic(As) | ≤0.0005% | ≤0.002% |
Sodium(Na) | ≤0.02% | ≤0.05% |
Iron(Fe) | ≤0.001% | ≤0.005% |
Heavy metals(as Pb) | ≤0.001% | ≤0.005% |