Supercritical fluid

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Phase diagram for carbon dioxide

Description

A material compressed and heated to a point above its thermodynamic critical point. Supercritical fluids (SCF) have the unique ability to penetrate materials like a gas while also dissolving materials like a liquid. Carbon dioxide and water are the most commonly used supercritical fluids. A temperatures and pressures above the thermodynamic critical point, a material's liquid phase and the gas phase will have equal densities and are indistinguishable.

Synonyms and Related Terms

SCF

File:.jpg
Table of critical values

Additional Information

° Sung Mo Kang, Achim Unger, J.J. Morrell, 'The Effect of Supercritical Carbon Dioxide Extraction of Color Retention and Pesticide Reduction of Wooden Artifacts' JAIC 43(2) 151-160, 2004.

Sources Checked for Data in Record

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