Chromatography with Supercritical Fluids

Chromatography with Supercritical Fluids

In supercritical fluid chromatography (SFC) the mobile phase is neither a gas nor a liquid, but is a supercritical fluid. As a result of the unique properties of supercritical fluids, SFC is rapidly becoming a prominent separation technique for the analysis of reactive, thermally labile, and nonvola...

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Veröffentlicht in:Science (American Association for the Advancement of Science) 1987-03, Vol.235 (4794), p.1342-1347
Hauptverfasser: Lee, Milton L., Markides, Karin E.
Format: Artikel
Sprache:eng
Schlagworte:
400105 - Separation Procedures
AMMONIA
CARBON COMPOUNDS
CARBON DIOXIDE
CARBON OXIDES
CHALCOGENIDES
Chemistry
Chromatographic analysis
CHROMATOGRAPHY
Critical temperature
DENSITY
Fluids
FREONS
GAS CHROMATOGRAPHY
Gas density
Gases
HALOGENATED ALIPHATIC HYDROCARBONS
HYDRIDES
HYDROGEN COMPOUNDS
INORGANIC, ORGANIC, PHYSICAL AND ANALYTICAL CHEMISTRY
Instrumentation
Liquid chromatography
LIQUID COLUMN CHROMATOGRAPHY
Liquids
Methods
NITROGEN COMPOUNDS
NITROGEN HYDRIDES
NITROGEN OXIDES
NITROUS OXIDE
ORGANIC COMPOUNDS
ORGANIC HALOGEN COMPOUNDS
OXIDES
OXYGEN COMPOUNDS
PHYSICAL PROPERTIES
SEPARATION PROCESSES
Solutes
SOLVENT PROPERTIES
Solvents
SUPERCRITICAL FLUID CHROMATOGRAPHY
Supercritical fluids
SUPERCRITICAL STATE
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Beschreibung
Zusammenfassung:In supercritical fluid chromatography (SFC) the mobile phase is neither a gas nor a liquid, but is a supercritical fluid. As a result of the unique properties of supercritical fluids, SFC is rapidly becoming a prominent separation technique for the analysis of reactive, thermally labile, and nonvolatile compounds. This article reviews the history, instrumentation, and practice of the technique. Particular emphasis is placed on the different programming methods that allow elution to be selectively controlled in ways that are unique to SFC.
ISSN:0036-8075
1095-9203
DOI:10.1126/science.235.4794.1342