Potassium bicarbonate 298-14-6


Product Deail


Potassium bicarbonate

Another name】Potassium hydrogen carbonate;Potassium acid carbonate.

【DescriptionColorless 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

UseUsed as analytical reagent; foaming agent; pharmaceutical excipients; food additives; preparation of potassium salt; fire extinguishing agent; acidity regulator.