Please use this identifier to cite or link to this item: https://doi.org/10.1016/S0021-9673(02)01158-5
Title: Monitoring polychlorinated biphenyls in pine needles using supercritical fluid extraction as a pretreatment method
Authors: Zhu, X.R.
Lee, H.K. 
Keywords: Environmental analysis
Plant materials
Polychlorinated biphenyls
Supercritical fluid extraction
Issue Date: 8-Nov-2002
Source: Zhu, X.R.,Lee, H.K. (2002-11-08). Monitoring polychlorinated biphenyls in pine needles using supercritical fluid extraction as a pretreatment method. Journal of Chromatography A 976 (1-2) : 393-398. ScholarBank@NUS Repository. https://doi.org/10.1016/S0021-9673(02)01158-5
Abstract: This paper reports on the first use of supercritical fluid extraction (SFE) of polychlorinated biphenyls (PCBs) from pine needles. Supercritical carbon dioxide was used as extraction fluid, and exhibited good extraction efficiencies and recoveries (>90%). GC-MS (selected ion monitoring mode) achieved both accurate identification and quantification of the PCBs. Compared with traditional time consuming multi-step sample preparation methods, SFE with carbon dioxide is easier to perform, and is a feasible alternative extraction procedure for the monitoring of PCBs in pine needle samples. © 2002 Elsevier Science B.V. All rights reserved.
Source Title: Journal of Chromatography A
URI: http://scholarbank.nus.edu.sg/handle/10635/76592
ISSN: 00219673
DOI: 10.1016/S0021-9673(02)01158-5
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