Information
Specification category:
Product No. | Product name | specifications |
1.01765.020 | Potassium hydrogen carbonate | AR500g |
1.01765.030 | Potassium hydrogen carbonate | CP500g |
1.01765.040 | Potassium hydrogen carbonate | CP25kg |
1.01765.050 | Potassium hydrogen carbonate | Spec25kg |
1.01765.070 | Potassium hydrogen carbonate | AR25kg |
1.01765.080 | Potassium hydrogen carbonate | AR25kg |
Characteristic:
Appearance and properties: Colorless,odorless,salty,transparent crystal or white powder.
Relative density: 2.17(water=1)(20℃)
Melting point(℃): 100~120(decomposition)
Concentration: Pure
Solubility: Soluble in water,insoluble in ethanol.
Technical indicators:
Item | AR | CP |
Assay(KHCO3) | ≥99.5% | ≥99.0% |
pH-value(50g/L solution,25℃) | ≤8.6 | ≤8.6 |
Clarity of solution | Pass4 | Pass6 |
Insoluble matter in water | ≤0.002% | ≤0.01% |
Chloride and chlorate(as Cl) | ≤0.005% | ≤0.01% |
Sulfate(as SO4) | ≤0.005% | ≤0.01% |
Total nitrogen(N) | ≤0.001%v≤0.002% |
Phosphate(PO4) | ≤0.002%v≤0.005% |
Silicate(SiO4) | ≤0.005% | ≤0.01% |
Sodium(Na) | ≤0.02% | ≤0.05% |
Magnesium(Mg) | ≤0.003% | ≤0.005% |
Aluminum(Al) | ≤0.002% | ≤0.005% |
Calcium(Ca) | ≤0.003% | ≤0.01% |
Iron(Fe) | ≤0.0005% | ≤0.001% |
Heavy metals(as Pb) | ≤0.0005% | ≤0.002% |