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Product name
Potassium bicarbonate
Specification
Reagent grade
Molecular formula
KHCO3
CAS
298-14-6
H.S. CODE
2836400000
Molecular weight
100.114
Appearance
White crystal
Package
25KG Woven bags or fiber drums
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Property：
White powder. Odourless and tasteless. Dew buy air. There is no change, a proportion of 2.710. Melting point 1339 &; ordm C. Almost insoluble in water in contain or ammonium trioxide iron water dissolves, insoluble in alcohol. Encounter dilute acetic acid, rare hydrochloric acid, nitric acid happen bubble boiling, thin and dissolve. Heating is decomposed into CaO (CaO) and carbon dioxide (CO2).
Application:
According to the different crushing fineness, industry is divided into four different specifications: solo, sf, three fly, fly, respectively applied for every four industry.
Test standard：GB 1399-1978
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Test items |
Specification |
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AR grade |
CP grade |
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Appearance |
White crystal |
White crystal |
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Assay |
≥99.5% |
≥99.0% |
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Appearance of solution |
Conform |
Conform |
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Water insoluble |
≤0.002% |
≤0.01% |
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pH |
≤8.6 |
≤8.6 |
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Chloride and chlorate |
≤0.005% |
≤0.01% |
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≤0.001% |
≤0.002% |
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Phosphate |
≤0.002% |
≤0.005% |
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Silicate |
≤0.005% |
≤0.01% |
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Sulfide |
≤0.005% |
≤0.01% |
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Aluminium |
≤0.002% |
≤0.005% |
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Calcium |
≤0.003% |
≤0.01% |
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Magnesium |
≤0.003% |
≤0.005% |
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Sodium |
≤0.02% |
≤0.05% |
Storage：
Store in a cool, dry, well-ventilated area away from incompatible substances.
