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|Title:||Trace analysis of ten chlorinated benzenes in water by headspace solid-phase microextraction|
|Citation:||He, Y., Wang, Y., Lee, H.K. (2000-03-31). Trace analysis of ten chlorinated benzenes in water by headspace solid-phase microextraction. Journal of Chromatography A 874 (1) : 149-154. ScholarBank@NUS Repository. https://doi.org/10.1016/S0021-9673(00)00067-4|
|Abstract:||Headspace solid-phase microextraction (SPME), as a simple, solvent-free method, has been applied to the analysis of 10 chlorinated benzenes (CBs) present at trace levels in water samples. An SPME fibre coated with 100-μm thick poly(dimethylsiloxane) was used for extraction. The analytical data exhibited a relative standard deviation (RSD) range of 1.19% (for pentachlorobenzene) to 8.19% (for hexachlorobenzene) for the 10 CBs; the RSD of most compounds was under 6%. The sensitivity of the method was enhanced with agitation and with addition of salt to the sample solutions. With mass spectrometric detection, the limit of detection was below 0.006 μg/l for all 10 CBs after a 30-min sampling time. The linearity range was 0.02-20 μg/l for the compounds studied. Water samples collected from a reservoir, and from the tap in a laboratory were analysed using the optimised conditions. Copyright (C) 2000 Elsevier Science B.V.|
|Source Title:||Journal of Chromatography A|
|Appears in Collections:||Staff Publications|
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