Abstract
This review provides an overview of the approaches available in order to perform on-line coupling of various extraction techniques with liquid and gas chromatography, for the analysis of semivolatile and nonvolatile analytes in liquid and solid samples. The main focus is on the instrumental set-up of these techniques. Selected real applications are described by way of illustration. The extraction methods suitable for on-line coupling covered in this review are: liquid-liquid extraction, solid-phase extraction, membrane-based techniques, pressurised liquid extraction, supercritical fluid extraction, and microwave- and sonication-assisted extractions. The following systems are not covered in this review: on-line coupled solid-phase extraction-liquid chromatography, purge-and-trap-GC, and membrane extraction with a sorbent interface-GC.
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Abbreviations
- DMAE :
-
Dynamic microwave-assisted extraction
- DSAE :
-
Dynamic sonication-assisted extraction
- FIA :
-
Flow injection analysis
- FID :
-
Flame ionisation detection
- GC :
-
Gas chromatography
- HGAAS :
-
Hydride generation atomic absorption spectroscopy
- IC :
-
Ion chromatography
- IPLC :
-
Ion pair liquid chromatography
- LC :
-
Column liquid chromatography
- LLE :
-
Liquid-liquid extraction
- LVI :
-
Large-volume injection
- MAE :
-
Microwave-assisted extraction
- MESI :
-
Membrane extraction with a sorbent interface
- MMLLE :
-
Microporous membrane liquid-liquid extraction
- MS :
-
Mass spectrometry
- NP :
-
Normal-phase
- OTT :
-
Open-tubular trap**
- OTTTD :
-
Open-tubular trap** with thermal desorption
- PAH :
-
Polycyclic aromatic hydrocarbon
- PHWE :
-
Pressurised hot water extraction
- PCB :
-
Polychlorinated biphenyl
- PLE :
-
Pressurised liquid extraction
- PTV :
-
Programmed-temperature vaporizer
- RP :
-
Reversed-phase
- RSD :
-
Relative standard deviation
- SAE :
-
Sonication-assisted extraction
- SFE :
-
Supercritical fluid extraction
- SIM :
-
Selective ion monitoring
- SLM :
-
Supported liquid membrane
- SPE :
-
Solid-phase extraction
- SPE-TD :
-
Solid-phase extraction-thermal desorption
- SVE :
-
Solvent vapour exit
- TD :
-
Thermal desorption
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Financial support from the Academy of Finland is acknowledged (project 48867).
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Hyötyläinen, T., Riekkola, ML. Approaches for on-line coupling of extraction and chromatography. Anal Bioanal Chem 378, 1962–1981 (2004). https://doi.org/10.1007/s00216-004-2545-x
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DOI: https://doi.org/10.1007/s00216-004-2545-x