Dispersive Liquid-Liquid Microextraction of Antibacterial Agent

Jan 15, 2009
By LCGC Editors

Researchers from Universidad de Santiago de Compostela (Santiago de Compostela, Spain) developed a dispersive liquid-liquid microextraction sample preparation method to determine the antibacterial agent triclosan and its environmental transformation product methyl triclosan in water samples. The extraction used a ternary mixture of a disperser, an extractant, and a derivatization reagent. Simultaneous derivatization and concentration of both species was achieved. The analysis was performed using gas chromatography with tandem mass spectrometry.

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