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Potassium acetate

physical science Maturity 11-13 Next article →

Potassium acetate is a type of salt. It is a solid at room temperature. This salt is hygroscopic. This means it soaks up water from the air.

People use this salt to melt ice. It works well on airport runways. It is safe for planes to use. It does not hurt the soil as much as other salts. It is also less corrosive. Corrosive things can eat away at metal.

This salt can also put out fires. It is used in some Class K fire extinguishers. It works by cooling the fire. It also makes a crust over burning oils.

Some foods use this salt too. It is a food additive. It helps keep food safe and regulates acidity. In the European Union, it is called E261.

Museums use it to help preserve old things. It is used in mixtures for tissue preservation. This helps keep things like mummies or old bodies from breaking down. In science, it helps remove proteins from DNA. It also helps make polyurethanes in industry. This is a way to make certain plastics.

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