Exploration 304 Stainless Steel Wire as Novel Sorbent Material for Determination of Polycyclic Aromatic Hydrocarbons in Water

Abstract:

The etched stainless steel wire was prepared and explored as sorbent material for solid-phase micro extraction (SPME) coupled with gas chromatography (GC) and flame ionization detection (FID) for the trace polycyclic aromatic hydrocarbons (PAHs) determination in water. This paper explored different factors that affected the extraction efficiency of etched stainless steel wire, including the extraction time, the thermal desorption time and the thermal desorption temperature. Under the optimal conditions, six kinds of analytes, including trace biphenyl, acenaphthylene, fluorene, phenanthrene, fluoranthene and pyrene were extracted by etched stainless wire with high concentration efficiency and separated by GC-FID. In view of the high selectivity of the etched stainless steel wires for PAHs, a new SPME method was developed with the detection limits of 0.05-0.53 μg/L. The precision for the six kinds of analytes ranged from 2.6% to 8.8%. The developed etched stainless steel wires were very stable, highly selective, and reproducible for the SPME of PAHs.

• Periodical: Key Engineering Materials (Volume 723)
• Pages: 604-609
• DOI: https://doi.org/10.4028/www.scientific.net/KEM.723.604
• Online since: December 2016
• Authors: Bao Hui Li*, Xiao Dan Yang
• Keywords: Gas Chromatography, Polycyclic Aromatic Hydrocarbons, Solid-Phase Micro Extraction, Stainless Steel Wire

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