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

<table>Effect of the extraction time. Extraction solvent volume, 90 <svg height="12.175" id="M33" style="vertical-align:-3.56265pt" version="1.1" viewbox="0 0 9.5625 12.175" width="9.5625" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
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</svg>L; dispersive solvent volume, 1 mL; pH, 6; ionic strength, 6% (NaCl, w/v); sample volume, 5 mL; spiked concentration, 500 ng mL<sup>−1</sup>.</table>

The Scientific World Journal

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Figure 6

Figure 6: Low Density Solvent-Based Dispersive Liquid-Liquid Microextraction for the Determination of Synthetic Antioxidants in Beverages by High-Performance Liquid Chromatography 

Figure 6 | Low Density Solvent-Based Dispersive Liquid-Liquid Microextraction for the Determination of Synthetic Antioxidants in Beverages by High-Performance Liquid Chromatography 