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|Title:||Headspace water-based liquid-phase microextraction||Authors:||Zhang, J.
|Issue Date:||1-Apr-2005||Citation:||Zhang, J., Su, T., Hian, K.L. (2005-04-01). Headspace water-based liquid-phase microextraction. Analytical Chemistry 77 (7) : 1988-1992. ScholarBank@NUS Repository. https://doi.org/10.1021/ac040129h||Abstract:||A new organic-free mode of headspace liquid-phase microextraction termed headspace water-based liquid-phase microextraction has been developed. Five phenols were used as model compounds in the development and evaluation of the procedure. Parameters affecting the extraction efficiency were investigated. Under optimal extraction conditions, very high enrichment factors were achieved. Since only water (with sodium hydroxide to adjust the pH) and a conventional microsyringe were used, this new technique is affordable, efficient, and convenient for extraction of volatile and semivolatile ionizable compounds. In addition, in combination with capillary electrophoresis, the entire analytical process is totally organic solvent-free and is thus environmentally friendly. © 2005 American Chemical Society.||Source Title:||Analytical Chemistry||URI:||http://scholarbank.nus.edu.sg/handle/10635/76281||ISSN:||00032700||DOI:||10.1021/ac040129h|
|Appears in Collections:||Staff Publications|
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