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Supercritical Fluid Extraction and its Use in Chromatographic Sample Preparation

by Professor D. E. Games, Mass Spectrometry Research Unit, University College of Swansea Sample preparation can be viewed as occupying a Cinderella role in analytical science. However, the quality of sample preparation plays a key role in high In the past decade, there has been quality analysis and...

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Bibliographic Details
Other Authors: Westwood, S.A. (Editor)
Format: eBook
Language:English
Published: Dordrecht Springer Netherlands 1993, 1993
Edition:1st ed. 1993
Subjects:
Analytical Chemistry
Chemistry, Organic
Organic Chemistry
Online Access:
Collection: Springer Book Archives -2004 - Collection details see MPG.ReNa
Table of Contents:
  • 1 Introduction to supercritical fluid extraction in analytical science
  • 1.1 Introduction
  • 1.2 Extraction controlled by diffusion out of the matrix
  • 1.3 Equations for discontinuous extraction
  • 1.4 Extraction controlled by both solubility and diffusion
  • 1.5 Solubilities in supercritical fluids
  • References
  • 2 Methodology for off-line supercritical fluid extraction
  • 2.1 Introduction
  • 2.2 The off-line SFE experiment
  • 2.3 Instrumental considerations
  • 2.4 Supercritical fluids and modifiers
  • 2.5 Developing an off-line SFE method
  • 2.6 New directions in off-line analytical SFE
  • 2.7 Summary
  • References
  • 3 Coupled (on-line) supercritical fluid extraction-gas chromatography
  • 3.1 Introduction
  • 3.2 Generalized approaches to SFE-GC coupling
  • 3.3 Performing direct injection on-line SFE-GC
  • 3.4 Summary
  • References
  • 4 Coupled supercritical fluid extraction-capillary supercritical fluid chromatography
  • 4.1 Introduction
  • 4.2 Samples for which SFE-CSFC is applicable
  • 4.3 Influence of the sample matrix
  • 4.4 Instrumentation
  • 4.5 Trapping procedures
  • 4.6 Optimization of conditions for SFE-CSFC
  • 4.7 Selected applications of SFE-CSFC
  • 4.8 Conclusions
  • References
  • 5 Supercritical fluid extraction coupled to packed column supercritical fluid chromatography
  • 5.1 Introduction
  • 5.2 Packed vs. capillary columns
  • 5.3 SFE coupled to packed column SFC
  • 5.4 Instrumental aspects
  • 5.5 Applications
  • 5.6 Future prospects
  • References
  • 6 Supercritical fluid extraction-high performance liquid chromatography: on-line and off-line strategies
  • 6.1 Introduction
  • 6.2 On-line studies
  • 6.3 Off-line studies
  • 6.4 Conclusions
  • References

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