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Product Deail
Potassium bicarbonate
【Another name】Potassium hydrogen carbonate；Potassium acid carbonate.
【Description】Colorless transparent crystal or white crystalline powder. Relative density 2.17, 100-200 ℃ decomposition. Soluble in water, slightly alkaline. Soluble in potassium carbonate solution, insoluble in alcohol. Stable in air, decomposed by heating.
|
Test items |
AR |
CP |
Other |
|
Assay(KHCO3) /% |
≥99.5 |
≥99.0 |
Custom |
|
Clarity of solution |
Passes test |
Passes test |
|
|
Water insoluble /% |
≤0.002 |
≤0.01 |
|
|
pH(50g/l,25℃) |
≤8.6 |
≤8.6 |
|
|
Chloride and chlorate(as Cl) /% |
≤0.005 |
≤0.01 |
|
| Total nitrogen(N) /% |
≤0.001 |
≤0.01 |
|
| Phosphate(PO4) /% |
≤0.002 |
≤0.005 |
|
| Silicate(SiO3) /% |
≤0.005 |
≤0.01 |
|
|
Sulfur compounds(as SO4) /% |
≤0.005 |
≤0.01 |
|
| Aluminum(Al) /% |
≤0.002 |
≤0.005 |
|
| Calcium(Ca) /% |
≤0.003 |
≤0.01 |
|
| Iron(Fe) /% |
≤0.000 5 |
≤0.001 |
|
| Magnesium(Mg) /% |
≤0.003 |
≤0.005 |
|
|
Sodium(Na) /% |
≤0.02 |
≤0.05 |
|
|
Heavy metals (as Pb) /% |
≤0.000 5 |
≤0.002 |
【Use】Used as analytical reagent; foaming agent; pharmaceutical excipients; food additives; preparation of potassium salt; fire extinguishing agent; acidity regulator.
