Journal of Chromatography A volume 1218, issue 52, P9321-9327 2011 DOI: 10.1016/j.chroma.2011.10.066 View full text
Liang Guo, Hian Kee Lee

Abstract: Micro-solid-phase extraction (μ-SPE) was developed for the determination of trace level of 16 United States Environmental Protection Agency priority polycyclic aromatic hydrocarbons (PAHs) in river water samples with gas chromatography-mass spectrometry (GC-MS). In the μ-SPE device, multiwalled carbon nanotubes was employed as sorbent and was packed inside an porous polypropylene membrane "envelope" whose edges were heat-sealed to secure the contents. The μ-SPE device was placed in a stirred sample solution to…

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