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Supercritical fluid chromatography (SFC) [1] is a form of normal phase chromatography that uses a supercritical fluid such as carbon dioxide as the mobile phase. [2] [3] It is used for the analysis and purification of low to moderate molecular weight, thermally labile molecules and can also be used for the separation of chiral compounds.
Supercritical fluid chromatography (SFC) can be used on an analytical scale, where it combines many of the advantages of high performance liquid chromatography (HPLC) and gas chromatography (GC). It can be used with non-volatile and thermally labile analytes (unlike GC) and can be used with the universal flame ionization detector (unlike HPLC ...
Supercritical fluid chromatography (SFC) Principle is very similar to that of HPLC. But SFC typically uses carbon dioxide as the mobile phase. Hence there is a need to pressurize the entire chromatographic flow path. SFC can differentiate enantiomers and enantiomer from the racemate; (+) from (-) and (±) Chiral capillary electrophoresis (CE) [45]
Supercritical Fluid Extraction - Principles and Practice. Butterworth Heinemann series in chemical engineering (2nd ed.). Butterworth Heinemann. ISBN 978-0-7506-9244-1. Taylor, Larry T (1996). Supercritical Fluid Extraction. Techniques in analytical chemistry. John Wiley and Sons, Inc. ISBN 978-0-471-11990-6
Supercritical fluid chromatography, a form of liquid chromatography using supercritical carbon dioxide as the mobile phase Supercritical water: Supercritical steam generator , a steam generator operating above the critical point of water, hence having no water–steam separation
More specifically, it behaves as a supercritical fluid above its critical temperature (304.128 K, 30.9780 °C, 87.7604 °F) [1] and critical pressure (7.3773 MPa, 72.808 atm, 1,070.0 psi, 73.773 bar), [1] expanding to fill its container like a gas but with a density like that of a liquid. Supercritical CO
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Phase 1 is typically an organic solvent and 2 an aqueous phase. Laboratory-scale liquid-liquid extraction. Photograph of a separatory funnel in a laboratory scale extraction of 2 immiscible liquids: liquids are a diethyl ether upper phase, and a lower aqueous phase.