Fizzy extraction
Fizzy extraction is an extraction technique developed by Paweł Urban's group for analysis of semivolatile species dissolved in liquid matrices.[1][2][3] It is used to extract semivolatile compounds from liquid samples. Unlike in sparging methods, such as "purge-closed loop",[4] effervescence plays the key role in fizzy extraction. A liquid sample is subjected to a small overpressure (ca. 150 kPa) of a carrier gas (e.g. CO2) under stirring. An abrupt decompression of the extraction chamber leads to effervescence. The resulting bubbles with volatiles/semivolatiles are liberated into the headspace of the extraction chamber within few seconds, and transferred to an online detector (e.g. mass spectrometer). The advantages of this extraction are speed, simplicity, and operation at low temperature.[5]
See also[edit]
References[edit]
- ↑ Chang, Cheng-Hao; Urban, Pawel L. (2016). "Fizzy Extraction of Volatile and Semivolatile Compounds into the Gas Phase". Analytical Chemistry. 88: 8735–8740. doi:10.1021/acs.analchem.6b02074. PMID 27504910.
- ↑ Lim, XiaoZhi (September 2, 2016). "Fizzy extraction brings out semivolatile compounds". Chemical & Engineering News.
- ↑ Lucena, Rafael (September 13, 2016). "Effervescence assisted extraction of semivolatile substances". spectroscopyNOW.
- ↑ Wang, T.; Lenahan, R. (1984). "Determination of volatile halocarbons in water by purge-closed loop gas chromatography". Bull. Environ. Contam. Toxicol. 32: 429–438. doi:10.1007/BF01607519.
- ↑ Yang, Hao-Chun; Chang, Cheng-Hao; Urban, Pawel L. (2017). "Fizzy Extraction of Volatile Organic Compounds Combined with Atmospheric Pressure Chemical Ionization Quadrupole Mass Spectrometry". Journal of Visualized Experiments.
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