alexa Abstract | Ionic liquid loaded hollow fiber membrane as a solid-phase microextraction fiber; application in determination of aromatic hydrocarbons in water samples

Journal of Chemical and Pharmaceutical Research
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Original Articles Open Access


Environmental monitoring of benzene, toluene, ethyl benzene and xylenes (BTEX) in river and well water samples were performed by solid-phase microextraction (SPME) coupled with capillary gas chromatography. For this purpose a novel SPME fiber was prepared based on imidazolium ionic liquids loaded on hollow fiber membrane pores using sol-gel formulation. Copper wire was used as mechanically durable support. Analytical merits of the method, including high correlation coefficients (0.9922-0.9943) and low detection limits (0.04-0.15 μg L-1), made the proposed method suitable for the trace determination of BTEX.

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Author(s): Naser Samadi Nasim Mohammadnezhad Amir Abbas Matin and Hassan Valizadeh


Hollow fiber membrane, Ionic liquid, Sol-gel, Solid-phase microextraction, Gas chromatography, Ionic liquid

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