
Potassium carbonate, with the chemical formula K₂CO₃, is a white, water-soluble salt. Its main properties and applications are:
Properties:
- Molecular formula: K₂CO₃
- Appearance: White, hygroscopic powder
- Solubility: Highly soluble in water but insoluble in alcohol
- Alkalinity: Strongly alkaline when dissolved in water
Applications:
- Glass Manufacturing: Used to produce specialty glasses, especially in optical and television glass.
- Soap and Detergents: Historically known as “potash,” it is used in the production of soaps, as it promotes lathering and cleansing properties.
- Food Industry: Used as a food additive, particularly in the processing of cocoa powder and in the production of certain baked goods, where it acts as a leavening agent.
- Textile Dyeing: Acts as a buffering agent in dye baths for textile and wool dyeing processes.
- Chemical Industry: Used in the manufacture of potassium-based chemicals and fertilizers, where it serves as a source of potassium.
- Electrolyte in Batteries: Used in some types of batteries as an electrolyte.
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