Supercritical fluid extraction can be a clean alternative to liquid solvent extraction both for analytical sample preparation and for production scale, because environmentally friendly solvents such as carbon dioxide can be used instead of organic solvents. Some applications are found to be more successful than others. It requires more expensive equipment and a greater commitment to process development than liquid extraction. Nevertheless, it is being applied in specific areas, such as for polymer additives in analytical chemistry and as a method for obtaining valuable compounds from plants on a process scale.

See Colour Plate 44.

See also: N/Chromatography: Supercritical Fluid:

Large-Scale Supercritical Fluid Chromatography. III/En-vironmental Applications: Supercritical Fluid Extraction. One-line Sample Preparation: Supercritical Fluid Extraction. Polymers: Supercritical Fluid Extraction.

Solar Panel Basics

Solar Panel Basics

Global warming is a huge problem which will significantly affect every country in the world. Many people all over the world are trying to do whatever they can to help combat the effects of global warming. One of the ways that people can fight global warming is to reduce their dependence on non-renewable energy sources like oil and petroleum based products.

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