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Chemical reagent
Potassium bicarbonate

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

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 standardGB 1399-1978

Test items

Specification

AR grade

CP grade

Appearance

White crystal

White crystal

Assay

99.5%

99.0%

Appearance of solution

Conform

Conform

Water insoluble

0.002%

0.01%

pH

8.6

8.6

Chloride and chlorate

0.005%

0.01%

Nitrogen compound

0.001%

0.002%

Phosphate

0.002%

0.005%

Silicate

0.005%

0.01%

Sulfide

0.005%

0.01%

Aluminium

0.002%

0.005%

Calcium

0.003%

0.01%

Magnesium

0.003%

0.005%

Sodium

0.02%

0.05%

Storage

    Store in a cool, dry, well-ventilated area away from incompatible substances.



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