Please use this identifier to cite or link to this item: http://scholarbank.nus.edu.sg/handle/10635/52687
Title: Application of dynamic liquid-phase microextraction to the analysis of chlorobenzenes in water by using a conventional microsyringe
Authors: Wang, Y. 
Kwok, Y.C.
He, Y. 
Lee, H.K. 
Issue Date: 1-Nov-1998
Source: Wang, Y.,Kwok, Y.C.,He, Y.,Lee, H.K. (1998-11-01). Application of dynamic liquid-phase microextraction to the analysis of chlorobenzenes in water by using a conventional microsyringe. Analytical Chemistry 70 (21) : 4610-4614. ScholarBank@NUS Repository.
Abstract: A dynamic liquid-phase microextraction technique combined with gas chromatography/mass spectrometry (GC/ MS) is described for the extraction of 10 chlorobenzenes from water samples into 1 μL of organic solvent by using a conventional microsyringe. The effects of extraction solvent, plunger movement pattern, sampling volume, number of samplings, and salt concentration on the extraction performance were investigated. Good repeat-abilities of extraction were obtained, with the RSD values below 5.3% except for hexachlorobenzene (9.3%). By using a sampling volume of 6 μL and 15 samplings, detection limits were found to be between 0.02 and 0.05 μg/L under GC/MS-selective ion monitoring mode. © 1998 American Chemical Society.
Source Title: Analytical Chemistry
URI: http://scholarbank.nus.edu.sg/handle/10635/52687
ISSN: 00032700
Appears in Collections:Staff Publications

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