Research Article

Low Density Solvent-Based Dispersive Liquid-Liquid Microextraction for the Determination of Synthetic Antioxidants in Beverages by High-Performance Liquid Chromatography

Figure 1

Effect of type of extraction (a) and dispersive solvent (b). Extraction solvent volume, 50 µL; dispersive solvent volume, 1 mL; sample volume, 5 mL; spiked concentration, 500 ng mL−1.
414398.fig.001a
(a)
414398.fig.001b
(b)