Critical temperature is the highest temperature at which a substance can exist as a liquid, regardless of pressure, marking the end of the liquid-gas phase boundary. Above this temperature, the substance becomes a supercritical fluid, exhibiting unique properties that are distinct from typical liquid or gas states.

Critical Temperature

Critical temperature

highest temperature

substance can exist as a liquid

end of the liquid-gas phase boundary

A supercritical fluid is a state of matter that occurs when a substance is above its critical temperature and pressure, where it exhibits properties of both liquids and gases. This unique state allows supercritical fluids to be used in various applications, such as extraction, chromatography, and as solvents, due to their enhanced solvating power and tunable density.

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