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Abstract
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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.
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